context (22apr16)

git-svn-id: svn://tug.org/texlive/trunk@40691 c570f23f-e606-0410-a88d-b1316a301751

254 files changed, 35233 insertions, 67 deletions

diff --git a/Master/texmf-dist/doc/context/documents/general/columnsets/columnsets.pdf b/Master/texmf-dist/doc/context/documents/general/columnsets/columnsets.pdf
new file mode 100644
index 00000000000..0d4e862f1a7
--- /dev/null
+++ b/Master/texmf-dist/doc/context/documents/general/columnsets/columnsets.pdf
diff --git a/Master/texmf-dist/doc/context/documents/general/manuals/epub-mkiv-demo.epub b/Master/texmf-dist/doc/context/documents/general/manuals/epub-mkiv-demo.epub
index 2fc6200ff25..a40c054d358 100644
--- a/Master/texmf-dist/doc/context/documents/general/manuals/epub-mkiv-demo.epub
+++ b/Master/texmf-dist/doc/context/documents/general/manuals/epub-mkiv-demo.epub
diff --git a/Master/texmf-dist/doc/context/documents/general/manuals/epub-mkiv-demo.pdf b/Master/texmf-dist/doc/context/documents/general/manuals/epub-mkiv-demo.pdf
index 9a390cb92fe..78b8f1b99ba 100644
--- a/Master/texmf-dist/doc/context/documents/general/manuals/epub-mkiv-demo.pdf
+++ b/Master/texmf-dist/doc/context/documents/general/manuals/epub-mkiv-demo.pdf
diff --git a/Master/texmf-dist/doc/context/documents/general/manuals/epub-mkiv.pdf b/Master/texmf-dist/doc/context/documents/general/manuals/epub-mkiv.pdf
index 1045056cdaa..7ac31386b1d 100644
--- a/Master/texmf-dist/doc/context/documents/general/manuals/epub-mkiv.pdf
+++ b/Master/texmf-dist/doc/context/documents/general/manuals/epub-mkiv.pdf
diff --git a/Master/texmf-dist/doc/context/documents/general/manuals/languages-mkiv.pdf b/Master/texmf-dist/doc/context/documents/general/manuals/languages-mkiv.pdf
new file mode 100644
index 00000000000..f48bf930de6
--- /dev/null
+++ b/Master/texmf-dist/doc/context/documents/general/manuals/languages-mkiv.pdf
diff --git a/Master/texmf-dist/doc/context/documents/general/manuals/lua-mkiv.pdf b/Master/texmf-dist/doc/context/documents/general/manuals/lua-mkiv.pdf
new file mode 100644
index 00000000000..2c1e444e316
--- /dev/null
+++ b/Master/texmf-dist/doc/context/documents/general/manuals/lua-mkiv.pdf
diff --git a/Master/texmf-dist/doc/context/documents/general/manuals/luatex.pdf b/Master/texmf-dist/doc/context/documents/general/manuals/luatex.pdf
new file mode 100644
index 00000000000..61ff94bfba6
--- /dev/null
+++ b/Master/texmf-dist/doc/context/documents/general/manuals/luatex.pdf
diff --git a/Master/texmf-dist/doc/context/documents/general/manuals/ma-cb-en.pdf b/Master/texmf-dist/doc/context/documents/general/manuals/ma-cb-en.pdf
new file mode 100644
index 00000000000..6ad164eb06c
--- /dev/null
+++ b/Master/texmf-dist/doc/context/documents/general/manuals/ma-cb-en.pdf
diff --git a/Master/texmf-dist/doc/context/documents/general/manuals/mreadme.pdf b/Master/texmf-dist/doc/context/documents/general/manuals/mreadme.pdf
index d27bbaedfd8..35aca89fc8d 100644
--- a/Master/texmf-dist/doc/context/documents/general/manuals/mreadme.pdf
+++ b/Master/texmf-dist/doc/context/documents/general/manuals/mreadme.pdf
diff --git a/Master/texmf-dist/doc/context/documents/general/manuals/spacing-mkiv.pdf b/Master/texmf-dist/doc/context/documents/general/manuals/spacing-mkiv.pdf
new file mode 100644
index 00000000000..c717e6abfe4
--- /dev/null
+++ b/Master/texmf-dist/doc/context/documents/general/manuals/spacing-mkiv.pdf
diff --git a/Master/texmf-dist/doc/context/documents/general/manuals/sql-mkiv.pdf b/Master/texmf-dist/doc/context/documents/general/manuals/sql-mkiv.pdf
new file mode 100644
index 00000000000..bf6013d33a7
--- /dev/null
+++ b/Master/texmf-dist/doc/context/documents/general/manuals/sql-mkiv.pdf
diff --git a/Master/texmf-dist/doc/context/documents/general/manuals/swiglib-mkiv.pdf b/Master/texmf-dist/doc/context/documents/general/manuals/swiglib-mkiv.pdf
index 3e146f9d1a3..c61666845a5 100644
--- a/Master/texmf-dist/doc/context/documents/general/manuals/swiglib-mkiv.pdf
+++ b/Master/texmf-dist/doc/context/documents/general/manuals/swiglib-mkiv.pdf
diff --git a/Master/texmf-dist/doc/context/documents/general/manuals/templates-mkiv.pdf b/Master/texmf-dist/doc/context/documents/general/manuals/templates-mkiv.pdf
new file mode 100644
index 00000000000..02a4aee0de5
--- /dev/null
+++ b/Master/texmf-dist/doc/context/documents/general/manuals/templates-mkiv.pdf
diff --git a/Master/texmf-dist/doc/context/documents/general/manuals/tiptrick.pdf b/Master/texmf-dist/doc/context/documents/general/manuals/tiptrick.pdf
index 85bfda8938b..6455b07f88b 100644
--- a/Master/texmf-dist/doc/context/documents/general/manuals/tiptrick.pdf
+++ b/Master/texmf-dist/doc/context/documents/general/manuals/tiptrick.pdf
diff --git a/Master/texmf-dist/doc/context/documents/general/manuals/tools-mkiv.pdf b/Master/texmf-dist/doc/context/documents/general/manuals/tools-mkiv.pdf
index 563b35aac0d..53118457e8c 100644
--- a/Master/texmf-dist/doc/context/documents/general/manuals/tools-mkiv.pdf
+++ b/Master/texmf-dist/doc/context/documents/general/manuals/tools-mkiv.pdf
diff --git a/Master/texmf-dist/doc/context/documents/general/manuals/units-mkiv.pdf b/Master/texmf-dist/doc/context/documents/general/manuals/units-mkiv.pdf
index f931d6d6b0a..5631be78e72 100644
--- a/Master/texmf-dist/doc/context/documents/general/manuals/units-mkiv.pdf
+++ b/Master/texmf-dist/doc/context/documents/general/manuals/units-mkiv.pdf
diff --git a/Master/texmf-dist/doc/context/documents/general/manuals/workflows-mkiv.pdf b/Master/texmf-dist/doc/context/documents/general/manuals/workflows-mkiv.pdf
index 3a2caaede4c..9b8e1f142c2 100644
--- a/Master/texmf-dist/doc/context/documents/general/manuals/workflows-mkiv.pdf
+++ b/Master/texmf-dist/doc/context/documents/general/manuals/workflows-mkiv.pdf
diff --git a/Master/texmf-dist/doc/context/documents/general/manuals/xml-mkiv.pdf b/Master/texmf-dist/doc/context/documents/general/manuals/xml-mkiv.pdf
new file mode 100644
index 00000000000..7305fb7a822
--- /dev/null
+++ b/Master/texmf-dist/doc/context/documents/general/manuals/xml-mkiv.pdf
diff --git a/Master/texmf-dist/doc/context/documents/general/manuals/xtables-mkiv.pdf b/Master/texmf-dist/doc/context/documents/general/manuals/xtables-mkiv.pdf
index d3550c0ee66..9dbf4469e5c 100644
--- a/Master/texmf-dist/doc/context/documents/general/manuals/xtables-mkiv.pdf
+++ b/Master/texmf-dist/doc/context/documents/general/manuals/xtables-mkiv.pdf
diff --git a/Master/texmf-dist/doc/context/scripts/mkii/ctxtools.man b/Master/texmf-dist/doc/context/scripts/mkii/ctxtools.man
index 38f10ef7c62..a741aca56be 100644
--- a/Master/texmf-dist/doc/context/scripts/mkii/ctxtools.man
+++ b/Master/texmf-dist/doc/context/scripts/mkii/ctxtools.man
@@ -1,4 +1,4 @@
-.TH "ctxtools" "1" "01-01-2015" "version 1.3.5" "CtxTools"
+.TH "ctxtools" "1" "01-01-2016" "version 1.3.5" "CtxTools"
 .SH NAME
 .B ctxtools
 .SH SYNOPSIS
diff --git a/Master/texmf-dist/doc/context/scripts/mkii/imgtopdf.man b/Master/texmf-dist/doc/context/scripts/mkii/imgtopdf.man
index 864cf5a981b..220cbd4a7a5 100644
--- a/Master/texmf-dist/doc/context/scripts/mkii/imgtopdf.man
+++ b/Master/texmf-dist/doc/context/scripts/mkii/imgtopdf.man
@@ -1,4 +1,4 @@
-.TH "imgtopdf" "1" "01-01-2015" "version 1.1.2" "ImgToPdf"
+.TH "imgtopdf" "1" "01-01-2016" "version 1.1.2" "ImgToPdf"
 .SH NAME
 .B imgtopdf
 .SH SYNOPSIS
diff --git a/Master/texmf-dist/doc/context/scripts/mkii/pdftools.man b/Master/texmf-dist/doc/context/scripts/mkii/pdftools.man
index f63bf7e39eb..acb3b8c9205 100644
--- a/Master/texmf-dist/doc/context/scripts/mkii/pdftools.man
+++ b/Master/texmf-dist/doc/context/scripts/mkii/pdftools.man
@@ -1,4 +1,4 @@
-.TH "pdftools" "1" "01-01-2015" "version 1.2.1" "PDFTools"
+.TH "pdftools" "1" "01-01-2016" "version 1.2.1" "PDFTools"
 .SH NAME
 .B pdftools
 .SH SYNOPSIS
diff --git a/Master/texmf-dist/doc/context/scripts/mkii/pstopdf.man b/Master/texmf-dist/doc/context/scripts/mkii/pstopdf.man
index 8203e76cc19..628903964fe 100644
--- a/Master/texmf-dist/doc/context/scripts/mkii/pstopdf.man
+++ b/Master/texmf-dist/doc/context/scripts/mkii/pstopdf.man
@@ -1,4 +1,4 @@
-.TH "pstopdf" "1" "01-01-2015" "version 2.0.1" "PStoPDF"
+.TH "pstopdf" "1" "01-01-2016" "version 2.0.1" "PStoPDF"
 .SH NAME
 .B pstopdf
 .SH SYNOPSIS
diff --git a/Master/texmf-dist/doc/context/scripts/mkii/rlxtools.man b/Master/texmf-dist/doc/context/scripts/mkii/rlxtools.man
index 58e7032d8dd..0810b3a356a 100644
--- a/Master/texmf-dist/doc/context/scripts/mkii/rlxtools.man
+++ b/Master/texmf-dist/doc/context/scripts/mkii/rlxtools.man
@@ -1,4 +1,4 @@
-.TH "rlxtools" "1" "01-01-2015" "version 1.0.1" "RlxTools"
+.TH "rlxtools" "1" "01-01-2016" "version 1.0.1" "RlxTools"
 .SH NAME
 .B rlxtools
 .SH SYNOPSIS
diff --git a/Master/texmf-dist/doc/context/scripts/mkii/texexec.man b/Master/texmf-dist/doc/context/scripts/mkii/texexec.man
index 841622bcda1..a2c3325d0e3 100644
--- a/Master/texmf-dist/doc/context/scripts/mkii/texexec.man
+++ b/Master/texmf-dist/doc/context/scripts/mkii/texexec.man
@@ -1,4 +1,4 @@
-.TH "texexec" "1" "01-01-2015" "version 6.2.1" "TeXExec"
+.TH "texexec" "1" "01-01-2016" "version 6.2.1" "TeXExec"
 .SH NAME
 .B texexec
 .SH SYNOPSIS
diff --git a/Master/texmf-dist/doc/context/scripts/mkii/texmfstart.man b/Master/texmf-dist/doc/context/scripts/mkii/texmfstart.man
index 8a3a75b64a5..90a0f915212 100644
--- a/Master/texmf-dist/doc/context/scripts/mkii/texmfstart.man
+++ b/Master/texmf-dist/doc/context/scripts/mkii/texmfstart.man
@@ -1,4 +1,4 @@
-.TH "mtxrun" "1" "01-01-2015" "version 1.31" "ConTeXt TDS Runner Tool"
+.TH "mtxrun" "1" "01-01-2016" "version 1.31" "ConTeXt TDS Runner Tool"
 .SH NAME
 .B mtxrun
 .SH SYNOPSIS
diff --git a/Master/texmf-dist/doc/context/scripts/mkii/textools.man b/Master/texmf-dist/doc/context/scripts/mkii/textools.man
index c256969fddd..17830ffaea3 100644
--- a/Master/texmf-dist/doc/context/scripts/mkii/textools.man
+++ b/Master/texmf-dist/doc/context/scripts/mkii/textools.man
@@ -1,4 +1,4 @@
-.TH "textools" "1" "01-01-2015" "version 1.3.1" "TeXTools"
+.TH "textools" "1" "01-01-2016" "version 1.3.1" "TeXTools"
 .SH NAME
 .B textools
 .SH SYNOPSIS
diff --git a/Master/texmf-dist/doc/context/scripts/mkii/texutil.man b/Master/texmf-dist/doc/context/scripts/mkii/texutil.man
index c92f51a6fb4..c8062b7f68a 100644
--- a/Master/texmf-dist/doc/context/scripts/mkii/texutil.man
+++ b/Master/texmf-dist/doc/context/scripts/mkii/texutil.man
@@ -1,4 +1,4 @@
-.TH "texutil" "1" "01-01-2015" "version 9.1.0" "TeXUtil"
+.TH "texutil" "1" "01-01-2016" "version 9.1.0" "TeXUtil"
 .SH NAME
 .B texutil
 .SH SYNOPSIS
diff --git a/Master/texmf-dist/doc/context/scripts/mkii/tmftools.man b/Master/texmf-dist/doc/context/scripts/mkii/tmftools.man
index 780efb7ebfb..f6c0d7dfee6 100644
--- a/Master/texmf-dist/doc/context/scripts/mkii/tmftools.man
+++ b/Master/texmf-dist/doc/context/scripts/mkii/tmftools.man
@@ -1,4 +1,4 @@
-.TH "tmftools" "1" "01-01-2015" "version 1.1.0" "TMFTools"
+.TH "tmftools" "1" "01-01-2016" "version 1.1.0" "TMFTools"
 .SH NAME
 .B tmftools
 .SH SYNOPSIS
diff --git a/Master/texmf-dist/doc/context/scripts/mkii/xmltools.man b/Master/texmf-dist/doc/context/scripts/mkii/xmltools.man
index d43cc1a03ad..7596f20ac76 100644
--- a/Master/texmf-dist/doc/context/scripts/mkii/xmltools.man
+++ b/Master/texmf-dist/doc/context/scripts/mkii/xmltools.man
@@ -1,4 +1,4 @@
-.TH "xmltools" "1" "01-01-2015" "version 1.2.2" "XMLTools"
+.TH "xmltools" "1" "01-01-2016" "version 1.2.2" "XMLTools"
 .SH NAME
 .B xmltools
 .SH SYNOPSIS
diff --git a/Master/texmf-dist/doc/context/scripts/mkiv/context.html b/Master/texmf-dist/doc/context/scripts/mkiv/context.html
index b409de6e738..3161eac7250 100644
--- a/Master/texmf-dist/doc/context/scripts/mkiv/context.html
+++ b/Master/texmf-dist/doc/context/scripts/mkiv/context.html
@@ -14,7 +14,7 @@
 
 <html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
     <head>
-        <title>ConTeXt Process Management 0.61</title>
+        <title>ConTeXt Process Management 0.63</title>
         <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
                 <style type="text/css">
             body { color: #FFFFFF; background-color: #808080; font-family: optima, verdana, futura, "lucida sans", arial, geneva, helvetica, sans; font-size: 12px; line-height: 18px; } a:link, a:active, a:visited { color: #FFFFFF; } a.dir-view:link, a.dir-view:active, a.dir-view:visited { color: #FFFFFF; text-decoration: underline; } .valid { color: #00FF00; } .invalid { color: #FF0000; } button, .commonlink, .smallbutton { font-weight: bold; font-size: 12px; text-decoration: none; color: #000000; border-color: #7F7F7F; border-style: solid; border-width: .125ex; background-color: #FFFFFF; padding: .5ex; } .smallbutton { width: 1em; } a.commonlink:link, a.commonlink:active, a.commonlink:visited, a.smalllink:link, a.smalllink:active, a.smalllink:visited { font-weight: bold; font-size: 12px; text-decoration: none; color: #000000; } h1, .title { font-style: normal; font-weight: normal; font-size: 18px; line-height: 18px; margin-bottom: 20px; } h2, .subtitle { font-style: normal; font-weight: normal; font-size: 12px; margin-top: 18px; margin-bottom: 18px; } table { line-height: 18px; font-size: 12px; margin: 0; } th { font-weight: bold; text-align: left; padding-bottom: 6px; } .tc { font-weight: bold; text-align: left; } p, li { max-width: 60em; } .empty-line { margin-top: 4px; } .more-room { margin-right: 1.5em; } .much-more-room { margin-right: 3em; } #main { position: absolute; left: 10%; top: 10%; right: 10%; bottom: 10%; z-index: 2; width: 80%; height: 80%; padding: 0%; margin: 0%; overflow: auto; border-style: none; border-width: 0; background-color: #3F3F3F; } #main-settings { margin: 12px; x_max-width: 60em; line-height: 18px; font-size: 12px; } #left { position: absolute; top : 10%; left: 0%; bottom: 0%; right: 90%; z-index: 1; width: 10%; height: 90%; padding: 0%; margin: 0%; font-size: 16px; border-style: none; border-width: 0; background-color: #4F6F6F; } #right { position: absolute; top : 0%; left: 90%; bottom: 10%; right: 0%; z-index: 1; width: 10%; height: 90%; padding: 0%; margin: 0%; font-size: 16px; border-style: none; border-width: 0; background-color: #4F6F6F; _margin-left: -15px; } #bottom { position: absolute; left: 10%; right: 0%; top: 90%; bottom: 0%; z-index: 1; width: 90%; height: 10%; padding: 0%; margin: 0%; font-size: 16px; border-style: none; border-width: 0; background-color: #6F6F8F; } #top { position: absolute; left: 0%; right: 10%; top: 0%; bottom: 90%; z-index: 1; width: 90%; height: 10%; padding: 0%; margin: 0%; font-size: 16px; border-style: none; border-width: 0; background-color: #6F6F8F; } #top-one { position: absolute; bottom: 50%; width: 100%; buggedheight: 100%; } #top-two { position: relative; margin-bottom: -9px; margin-left: 12px; margin-right: 12px; line-height: 18px; text-align: right; vertical-align: middle; } #bottom-one { position: absolute; bottom: 50%; width: 100%; buggedheight: 100%; } #bottom-two { position: relative; margin-bottom: -9px; margin-left: 12px; margin-right: 12px; line-height: 18px; text-align: left; vertical-align: middle; } #left-one { position: absolute; width: 100%; buggedheight: 100%; } #left-two { position: relative; margin-top: 12px; line-height: 18px; text-align: center; vertical-align: top; } #right-one { display: table; height: 100%; width: 100%; } #right-two { display: table-row; height: 100%; width: 100%; } #right-three { display: table-cell; width: 100%; vertical-align: bottom; _position: absolute; _top: 100%; } #right-four { text-align: center; margin-bottom: 2ex; _position: relative; _top: -100%; } #more-top { position: absolute; top: 0%; left: 90%; bottom: 90%; right: 0%; z-index: 3; width: 10%; height: 10%; padding: 0%; margin: 0%; border-style: none; border-width: 0; } #more-top-settings { text-align: center; } #more-right-settings { margin-right: 12px; margin-left: 12px; line-height: 18px; font-size: 10px; text-align: center; } #right-safari { _display: table; width: 100%; height: 100%; } 
@@ -24,7 +24,7 @@
             </head>
             <body>
         <div id="top">            <div id="top-one">
-                <div id="top-two">ConTeXt Process Management 0.61 </div>
+                <div id="top-two">ConTeXt Process Management 0.63 </div>
             </div>
         </div>
         <div id="bottom">            <div id="bottom-one">
@@ -44,6 +44,7 @@
         <tr><th>--make</th><td></td><td>create context formats</td></tr>
         <tr><th/><td/><td/></tr>
         <tr><th>--ctx=name</th><td></td><td>use ctx file (process management specification)</td></tr>
+        <tr><th>--noctx</th><td></td><td>ignore ctx directives and flags</td></tr>
         <tr><th>--interface</th><td></td><td>use specified user interface (default: en)</td></tr>
         <tr><th/><td/><td/></tr>
         <tr><th>--autopdf</th><td></td><td>close pdf file in viewer and start pdf viewer afterwards</td></tr>
@@ -81,6 +82,8 @@
         <tr><th>--batchmode</th><td></td><td>run without stopping and do not show messages on the console</td></tr>
         <tr><th>--nonstopmode</th><td></td><td>run without stopping</td></tr>
         <tr><th>--synctex</th><td></td><td>run with synctex enabled (optional value: zipped, unzipped, 1, -1)</td></tr>
+        <tr><th>--nodates</th><td></td><td>omit runtime dates in pdf file</td></tr>
+        <tr><th>--trailerid</th><td></td><td>alternative trailer id (or constant one)</td></tr>
         <tr><th/><td/><td/></tr>
         <tr><th>--generate</th><td></td><td>generate file database etc. (as luatools does)</td></tr>
         <tr><th>--paranoid</th><td></td><td>do not descend to .. and ../..</td></tr>
diff --git a/Master/texmf-dist/doc/context/scripts/mkiv/context.man b/Master/texmf-dist/doc/context/scripts/mkiv/context.man
index 0c2f607f21d..f1c552832c2 100644
--- a/Master/texmf-dist/doc/context/scripts/mkiv/context.man
+++ b/Master/texmf-dist/doc/context/scripts/mkiv/context.man
@@ -1,4 +1,4 @@
-.TH "mtx-context" "1" "01-01-2015" "version 0.60" "ConTeXt Process Management"
+.TH "mtx-context" "1" "01-01-2016" "version 0.62" "ConTeXt Process Management"
 .SH NAME
 .B mtx-context
 .SH SYNOPSIS
@@ -20,6 +20,9 @@ create context formats
 .B --ctx=name
 use ctx file (process management specification)
 .TP
+.B --noctx
+ignore ctx directives and flags
+.TP
 .B --interface
 use specified user interface (default: en)
 .TP
@@ -110,6 +113,12 @@ run without stopping
 .B --synctex
 run with synctex enabled (optional value: zipped, unzipped, 1, -1)
 .TP
+.B --nodates
+omit runtime dates in pdf file
+.TP
+.B --trailerid
+alternative trailer id (or constant one)
+.TP
 .B --generate
 generate file database etc. (as luatools does)
 .TP
diff --git a/Master/texmf-dist/doc/context/scripts/mkiv/context.xml b/Master/texmf-dist/doc/context/scripts/mkiv/context.xml
index c4109328900..f5a67424165 100644
--- a/Master/texmf-dist/doc/context/scripts/mkiv/context.xml
+++ b/Master/texmf-dist/doc/context/scripts/mkiv/context.xml
@@ -4,7 +4,7 @@
     <metadata>
         <entry name="name">mtx-context</entry>
         <entry name="detail">ConTeXt Process Management</entry>
-        <entry name="version">0.60</entry>
+        <entry name="version">0.62</entry>
         <entry name="comment">external helpinfo file</entry>
     </metadata>
     <flags>
@@ -21,6 +21,9 @@
                 <flag name="ctx=name">
                     <short>use ctx file (process management specification)</short>
                 </flag>
+                <flag name="noctx">
+                    <short>ignore ctx directives and flags</short>
+                </flag>
                 <flag name="interface">
                     <short>use specified user interface (default: en)</short>
                 </flag>
@@ -125,6 +128,12 @@
                 <flag name="synctex">
                     <short>run with synctex enabled (optional value: zipped, unzipped, 1, -1)</short>
                 </flag>
+                <flag name="nodates">
+                    <short>omit runtime dates in pdf file</short>
+                </flag>
+                <flag name="trailerid">
+                    <short>alternative trailer id (or constant one)</short>
+                </flag>
                 </subcategory>
             <subcategory>
                 <flag name="generate">
diff --git a/Master/texmf-dist/doc/context/scripts/mkiv/luatools.man b/Master/texmf-dist/doc/context/scripts/mkiv/luatools.man
index ecdd6aa326a..bcf7fb5142e 100644
--- a/Master/texmf-dist/doc/context/scripts/mkiv/luatools.man
+++ b/Master/texmf-dist/doc/context/scripts/mkiv/luatools.man
@@ -1,4 +1,4 @@
-.TH "luatools" "1" "01-01-2015" "version 1.35" "ConTeXt TDS Management Tool (aka luatools)"
+.TH "luatools" "1" "01-01-2016" "version 1.35" "ConTeXt TDS Management Tool (aka luatools)"
 .SH NAME
 .B luatools
 .SH SYNOPSIS
diff --git a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-babel.man b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-babel.man
index 8477eb522e2..a0a3f312f41 100644
--- a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-babel.man
+++ b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-babel.man
@@ -1,4 +1,4 @@
-.TH "mtx-babel" "1" "01-01-2015" "version 1.20" "Babel Input To UTF Conversion"
+.TH "mtx-babel" "1" "01-01-2016" "version 1.20" "Babel Input To UTF Conversion"
 .SH NAME
 .B mtx-babel
 .SH SYNOPSIS
diff --git a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-base.man b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-base.man
index 08e13b09d67..fdd239c68db 100644
--- a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-base.man
+++ b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-base.man
@@ -1,4 +1,4 @@
-.TH "mtx-base" "1" "01-01-2015" "version 1.35" "ConTeXt TDS Management Tool (aka luatools)"
+.TH "mtx-base" "1" "01-01-2016" "version 1.35" "ConTeXt TDS Management Tool (aka luatools)"
 .SH NAME
 .B mtx-base
 .SH SYNOPSIS
diff --git a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-bibtex.html b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-bibtex.html
new file mode 100644
index 00000000000..61a6797161c
--- /dev/null
+++ b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-bibtex.html
@@ -0,0 +1,55 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+
+<!-- compare with lmx framework variant -->
+
+<!--
+    filename : context-base.xml
+    comment  : companion to mtx-server-ctx-startup.tex
+    author   : Hans Hagen, PRAGMA-ADE, Hasselt NL
+    copyright: PRAGMA ADE / ConTeXt Development Team
+    license  : see context related readme files
+-->
+
+<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
+    <head>
+        <title>bibtex helpers</title>
+        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
+                <style type="text/css">
+            body { color: #FFFFFF; background-color: #808080; font-family: optima, verdana, futura, "lucida sans", arial, geneva, helvetica, sans; font-size: 12px; line-height: 18px; } a:link, a:active, a:visited { color: #FFFFFF; } a.dir-view:link, a.dir-view:active, a.dir-view:visited { color: #FFFFFF; text-decoration: underline; } .valid { color: #00FF00; } .invalid { color: #FF0000; } button, .commonlink, .smallbutton { font-weight: bold; font-size: 12px; text-decoration: none; color: #000000; border-color: #7F7F7F; border-style: solid; border-width: .125ex; background-color: #FFFFFF; padding: .5ex; } .smallbutton { width: 1em; } a.commonlink:link, a.commonlink:active, a.commonlink:visited, a.smalllink:link, a.smalllink:active, a.smalllink:visited { font-weight: bold; font-size: 12px; text-decoration: none; color: #000000; } h1, .title { font-style: normal; font-weight: normal; font-size: 18px; line-height: 18px; margin-bottom: 20px; } h2, .subtitle { font-style: normal; font-weight: normal; font-size: 12px; margin-top: 18px; margin-bottom: 18px; } table { line-height: 18px; font-size: 12px; margin: 0; } th { font-weight: bold; text-align: left; padding-bottom: 6px; } .tc { font-weight: bold; text-align: left; } p, li { max-width: 60em; } .empty-line { margin-top: 4px; } .more-room { margin-right: 1.5em; } .much-more-room { margin-right: 3em; } #main { position: absolute; left: 10%; top: 10%; right: 10%; bottom: 10%; z-index: 2; width: 80%; height: 80%; padding: 0%; margin: 0%; overflow: auto; border-style: none; border-width: 0; background-color: #3F3F3F; } #main-settings { margin: 12px; x_max-width: 60em; line-height: 18px; font-size: 12px; } #left { position: absolute; top : 10%; left: 0%; bottom: 0%; right: 90%; z-index: 1; width: 10%; height: 90%; padding: 0%; margin: 0%; font-size: 16px; border-style: none; border-width: 0; background-color: #4F6F6F; } #right { position: absolute; top : 0%; left: 90%; bottom: 10%; right: 0%; z-index: 1; width: 10%; height: 90%; padding: 0%; margin: 0%; font-size: 16px; border-style: none; border-width: 0; background-color: #4F6F6F; _margin-left: -15px; } #bottom { position: absolute; left: 10%; right: 0%; top: 90%; bottom: 0%; z-index: 1; width: 90%; height: 10%; padding: 0%; margin: 0%; font-size: 16px; border-style: none; border-width: 0; background-color: #6F6F8F; } #top { position: absolute; left: 0%; right: 10%; top: 0%; bottom: 90%; z-index: 1; width: 90%; height: 10%; padding: 0%; margin: 0%; font-size: 16px; border-style: none; border-width: 0; background-color: #6F6F8F; } #top-one { position: absolute; bottom: 50%; width: 100%; buggedheight: 100%; } #top-two { position: relative; margin-bottom: -9px; margin-left: 12px; margin-right: 12px; line-height: 18px; text-align: right; vertical-align: middle; } #bottom-one { position: absolute; bottom: 50%; width: 100%; buggedheight: 100%; } #bottom-two { position: relative; margin-bottom: -9px; margin-left: 12px; margin-right: 12px; line-height: 18px; text-align: left; vertical-align: middle; } #left-one { position: absolute; width: 100%; buggedheight: 100%; } #left-two { position: relative; margin-top: 12px; line-height: 18px; text-align: center; vertical-align: top; } #right-one { display: table; height: 100%; width: 100%; } #right-two { display: table-row; height: 100%; width: 100%; } #right-three { display: table-cell; width: 100%; vertical-align: bottom; _position: absolute; _top: 100%; } #right-four { text-align: center; margin-bottom: 2ex; _position: relative; _top: -100%; } #more-top { position: absolute; top: 0%; left: 90%; bottom: 90%; right: 0%; z-index: 3; width: 10%; height: 10%; padding: 0%; margin: 0%; border-style: none; border-width: 0; } #more-top-settings { text-align: center; } #more-right-settings { margin-right: 12px; margin-left: 12px; line-height: 18px; font-size: 10px; text-align: center; } #right-safari { _display: table; width: 100%; height: 100%; } 
+        </style>
+        <style type="text/css">
+                    </style>
+            </head>
+            <body>
+        <div id="top">            <div id="top-one">
+                <div id="top-two">bibtex helpers </div>
+            </div>
+        </div>
+        <div id="bottom">            <div id="bottom-one">
+                <div id="bottom-two">wiki: http://contextgarden.net | mail: ntg-context@ntg.nl | website: http://www.pragma-ade.nl</div>
+            </div>
+        </div>
+        <div id="left"></div>
+        <div id="right"></div>
+        <div id="main">
+            <div id='main-settings'>
+                <h1>Command line options</h1>
+<table>
+    <tr><th style="width: 10em">flag</th><th style="width: 8em">value</th><th>description</th></tr>
+        <tr><th/><td/><td/></tr>
+        <tr><th>--toxml</th><td></td><td>convert bibtex database(s) to xml</td></tr>
+        <tr><th>--tolua</th><td></td><td>convert bibtex database(s) to lua</td></tr>
+        <tr><th>--search</th><td></td><td>seatch bibtex database(s)</td></tr>
+    </table>
+<br/>
+<h1>Example</h1>
+<tt>mtxrun --script bibtex --tolua bibl-001.bib</tt>
+<br/><tt>mtxrun --script bibtex --tolua --simple bibl-001.bib</tt>
+<br/><tt>mtxrun --script bibtex --toxml bibl-001.bib bibl-002.bib bibl-003.bib biblio.xml</tt>
+<br/><tt>mtxrun --script bibtex --search --list --pattern=match(author:foo) bar.bib</tt>
+<br/><br/>            </div>
+        </div>
+    </body>
+    </html>
diff --git a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-bibtex.man b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-bibtex.man
new file mode 100644
index 00000000000..7fdb304a59c
--- /dev/null
+++ b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-bibtex.man
@@ -0,0 +1,33 @@
+.TH "mtx-bibtex" "1" "01-01-2016" "version 1.00" "bibtex helpers"
+.SH NAME
+.B mtx-bibtex
+.SH SYNOPSIS
+.B mtxrun --script bibtex [
+.I OPTIONS ...
+.B ] [
+.I FILENAMES
+.B ]
+.SH DESCRIPTION
+.B bibtex helpers
+.SH OPTIONS
+.TP
+.B --toxml
+convert bibtex database(s) to xml
+.TP
+.B --tolua
+convert bibtex database(s) to lua
+.TP
+.B --search
+seatch bibtex database(s)
+.SH AUTHOR
+More information about ConTeXt and the tools that come with it can be found at:
+
+
+.B "maillist:"
+ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
+
+.B "webpage:"
+http://www.pragma-ade.nl / http://tex.aanhet.net
+
+.B "wiki:"
+http://contextgarden.net
diff --git a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-bibtex.xml b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-bibtex.xml
new file mode 100644
index 00000000000..5c28b946a64
--- /dev/null
+++ b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-bibtex.xml
@@ -0,0 +1,28 @@
+<?xml version="1.0"?>
+<application>
+ <metadata>
+  <entry name="name">mtx-bibtex</entry>
+  <entry name="detail">bibtex helpers</entry>
+  <entry name="version">1.00</entry>
+ </metadata>
+ <flags>
+  <category name="basic">
+   <subcategory>
+    <flag name="toxml"><short>convert bibtex database(s) to xml</short></flag>
+    <flag name="tolua"><short>convert bibtex database(s) to lua</short></flag>
+    <flag name="search"><short>seatch bibtex database(s)</short></flag>
+   </subcategory>
+  </category>
+ </flags>
+ <examples>
+  <category>
+   <title>Example</title>
+   <subcategory>
+    <example><command>mtxrun --script bibtex --tolua bibl-001.bib</command></example>
+    <example><command>mtxrun --script bibtex --tolua --simple bibl-001.bib</command></example>
+    <example><command>mtxrun --script bibtex --toxml bibl-001.bib bibl-002.bib bibl-003.bib biblio.xml</command></example>
+    <example><command>mtxrun --script bibtex --search --list --pattern=match(author:foo) bar.bib</command></example>
+   </subcategory>
+  </category>
+ </examples>
+</application>
diff --git a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-cache.man b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-cache.man
index cc448a5c817..91c9aa45e92 100644
--- a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-cache.man
+++ b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-cache.man
@@ -1,4 +1,4 @@
-.TH "mtx-cache" "1" "01-01-2015" "version 0.10" "ConTeXt & MetaTeX Cache Management"
+.TH "mtx-cache" "1" "01-01-2016" "version 0.10" "ConTeXt & MetaTeX Cache Management"
 .SH NAME
 .B mtx-cache
 .SH SYNOPSIS
diff --git a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-chars.man b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-chars.man
index 5c9d79bb3b8..f05536430ef 100644
--- a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-chars.man
+++ b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-chars.man
@@ -1,4 +1,4 @@
-.TH "mtx-chars" "1" "01-01-2015" "version 0.10" "MkII Character Table Generators"
+.TH "mtx-chars" "1" "01-01-2016" "version 0.10" "MkII Character Table Generators"
 .SH NAME
 .B mtx-chars
 .SH SYNOPSIS
diff --git a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-check.man b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-check.man
index ca18bc1a601..85a352d04a5 100644
--- a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-check.man
+++ b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-check.man
@@ -1,4 +1,4 @@
-.TH "mtx-check" "1" "01-01-2015" "version 0.10" "Basic ConTeXt Syntax Checking"
+.TH "mtx-check" "1" "01-01-2016" "version 0.10" "Basic ConTeXt Syntax Checking"
 .SH NAME
 .B mtx-check
 .SH SYNOPSIS
diff --git a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-colors.man b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-colors.man
index a969e474cbc..9d1de2b357c 100644
--- a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-colors.man
+++ b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-colors.man
@@ -1,4 +1,4 @@
-.TH "mtx-colors" "1" "01-01-2015" "version 0.10" "ConTeXt Color Management"
+.TH "mtx-colors" "1" "01-01-2016" "version 0.10" "ConTeXt Color Management"
 .SH NAME
 .B mtx-colors
 .SH SYNOPSIS
diff --git a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-context.html b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-context.html
index b409de6e738..3161eac7250 100644
--- a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-context.html
+++ b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-context.html
@@ -14,7 +14,7 @@
 
 <html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
     <head>
-        <title>ConTeXt Process Management 0.61</title>
+        <title>ConTeXt Process Management 0.63</title>
         <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
                 <style type="text/css">
             body { color: #FFFFFF; background-color: #808080; font-family: optima, verdana, futura, "lucida sans", arial, geneva, helvetica, sans; font-size: 12px; line-height: 18px; } a:link, a:active, a:visited { color: #FFFFFF; } a.dir-view:link, a.dir-view:active, a.dir-view:visited { color: #FFFFFF; text-decoration: underline; } .valid { color: #00FF00; } .invalid { color: #FF0000; } button, .commonlink, .smallbutton { font-weight: bold; font-size: 12px; text-decoration: none; color: #000000; border-color: #7F7F7F; border-style: solid; border-width: .125ex; background-color: #FFFFFF; padding: .5ex; } .smallbutton { width: 1em; } a.commonlink:link, a.commonlink:active, a.commonlink:visited, a.smalllink:link, a.smalllink:active, a.smalllink:visited { font-weight: bold; font-size: 12px; text-decoration: none; color: #000000; } h1, .title { font-style: normal; font-weight: normal; font-size: 18px; line-height: 18px; margin-bottom: 20px; } h2, .subtitle { font-style: normal; font-weight: normal; font-size: 12px; margin-top: 18px; margin-bottom: 18px; } table { line-height: 18px; font-size: 12px; margin: 0; } th { font-weight: bold; text-align: left; padding-bottom: 6px; } .tc { font-weight: bold; text-align: left; } p, li { max-width: 60em; } .empty-line { margin-top: 4px; } .more-room { margin-right: 1.5em; } .much-more-room { margin-right: 3em; } #main { position: absolute; left: 10%; top: 10%; right: 10%; bottom: 10%; z-index: 2; width: 80%; height: 80%; padding: 0%; margin: 0%; overflow: auto; border-style: none; border-width: 0; background-color: #3F3F3F; } #main-settings { margin: 12px; x_max-width: 60em; line-height: 18px; font-size: 12px; } #left { position: absolute; top : 10%; left: 0%; bottom: 0%; right: 90%; z-index: 1; width: 10%; height: 90%; padding: 0%; margin: 0%; font-size: 16px; border-style: none; border-width: 0; background-color: #4F6F6F; } #right { position: absolute; top : 0%; left: 90%; bottom: 10%; right: 0%; z-index: 1; width: 10%; height: 90%; padding: 0%; margin: 0%; font-size: 16px; border-style: none; border-width: 0; background-color: #4F6F6F; _margin-left: -15px; } #bottom { position: absolute; left: 10%; right: 0%; top: 90%; bottom: 0%; z-index: 1; width: 90%; height: 10%; padding: 0%; margin: 0%; font-size: 16px; border-style: none; border-width: 0; background-color: #6F6F8F; } #top { position: absolute; left: 0%; right: 10%; top: 0%; bottom: 90%; z-index: 1; width: 90%; height: 10%; padding: 0%; margin: 0%; font-size: 16px; border-style: none; border-width: 0; background-color: #6F6F8F; } #top-one { position: absolute; bottom: 50%; width: 100%; buggedheight: 100%; } #top-two { position: relative; margin-bottom: -9px; margin-left: 12px; margin-right: 12px; line-height: 18px; text-align: right; vertical-align: middle; } #bottom-one { position: absolute; bottom: 50%; width: 100%; buggedheight: 100%; } #bottom-two { position: relative; margin-bottom: -9px; margin-left: 12px; margin-right: 12px; line-height: 18px; text-align: left; vertical-align: middle; } #left-one { position: absolute; width: 100%; buggedheight: 100%; } #left-two { position: relative; margin-top: 12px; line-height: 18px; text-align: center; vertical-align: top; } #right-one { display: table; height: 100%; width: 100%; } #right-two { display: table-row; height: 100%; width: 100%; } #right-three { display: table-cell; width: 100%; vertical-align: bottom; _position: absolute; _top: 100%; } #right-four { text-align: center; margin-bottom: 2ex; _position: relative; _top: -100%; } #more-top { position: absolute; top: 0%; left: 90%; bottom: 90%; right: 0%; z-index: 3; width: 10%; height: 10%; padding: 0%; margin: 0%; border-style: none; border-width: 0; } #more-top-settings { text-align: center; } #more-right-settings { margin-right: 12px; margin-left: 12px; line-height: 18px; font-size: 10px; text-align: center; } #right-safari { _display: table; width: 100%; height: 100%; } 
@@ -24,7 +24,7 @@
             </head>
             <body>
         <div id="top">            <div id="top-one">
-                <div id="top-two">ConTeXt Process Management 0.61 </div>
+                <div id="top-two">ConTeXt Process Management 0.63 </div>
             </div>
         </div>
         <div id="bottom">            <div id="bottom-one">
@@ -44,6 +44,7 @@
         <tr><th>--make</th><td></td><td>create context formats</td></tr>
         <tr><th/><td/><td/></tr>
         <tr><th>--ctx=name</th><td></td><td>use ctx file (process management specification)</td></tr>
+        <tr><th>--noctx</th><td></td><td>ignore ctx directives and flags</td></tr>
         <tr><th>--interface</th><td></td><td>use specified user interface (default: en)</td></tr>
         <tr><th/><td/><td/></tr>
         <tr><th>--autopdf</th><td></td><td>close pdf file in viewer and start pdf viewer afterwards</td></tr>
@@ -81,6 +82,8 @@
         <tr><th>--batchmode</th><td></td><td>run without stopping and do not show messages on the console</td></tr>
         <tr><th>--nonstopmode</th><td></td><td>run without stopping</td></tr>
         <tr><th>--synctex</th><td></td><td>run with synctex enabled (optional value: zipped, unzipped, 1, -1)</td></tr>
+        <tr><th>--nodates</th><td></td><td>omit runtime dates in pdf file</td></tr>
+        <tr><th>--trailerid</th><td></td><td>alternative trailer id (or constant one)</td></tr>
         <tr><th/><td/><td/></tr>
         <tr><th>--generate</th><td></td><td>generate file database etc. (as luatools does)</td></tr>
         <tr><th>--paranoid</th><td></td><td>do not descend to .. and ../..</td></tr>
diff --git a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-context.man b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-context.man
index 0c2f607f21d..f1c552832c2 100644
--- a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-context.man
+++ b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-context.man
@@ -1,4 +1,4 @@
-.TH "mtx-context" "1" "01-01-2015" "version 0.60" "ConTeXt Process Management"
+.TH "mtx-context" "1" "01-01-2016" "version 0.62" "ConTeXt Process Management"
 .SH NAME
 .B mtx-context
 .SH SYNOPSIS
@@ -20,6 +20,9 @@ create context formats
 .B --ctx=name
 use ctx file (process management specification)
 .TP
+.B --noctx
+ignore ctx directives and flags
+.TP
 .B --interface
 use specified user interface (default: en)
 .TP
@@ -110,6 +113,12 @@ run without stopping
 .B --synctex
 run with synctex enabled (optional value: zipped, unzipped, 1, -1)
 .TP
+.B --nodates
+omit runtime dates in pdf file
+.TP
+.B --trailerid
+alternative trailer id (or constant one)
+.TP
 .B --generate
 generate file database etc. (as luatools does)
 .TP
diff --git a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-context.xml b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-context.xml
index c4109328900..f5a67424165 100644
--- a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-context.xml
+++ b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-context.xml
@@ -4,7 +4,7 @@
     <metadata>
         <entry name="name">mtx-context</entry>
         <entry name="detail">ConTeXt Process Management</entry>
-        <entry name="version">0.60</entry>
+        <entry name="version">0.62</entry>
         <entry name="comment">external helpinfo file</entry>
     </metadata>
     <flags>
@@ -21,6 +21,9 @@
                 <flag name="ctx=name">
                     <short>use ctx file (process management specification)</short>
                 </flag>
+                <flag name="noctx">
+                    <short>ignore ctx directives and flags</short>
+                </flag>
                 <flag name="interface">
                     <short>use specified user interface (default: en)</short>
                 </flag>
@@ -125,6 +128,12 @@
                 <flag name="synctex">
                     <short>run with synctex enabled (optional value: zipped, unzipped, 1, -1)</short>
                 </flag>
+                <flag name="nodates">
+                    <short>omit runtime dates in pdf file</short>
+                </flag>
+                <flag name="trailerid">
+                    <short>alternative trailer id (or constant one)</short>
+                </flag>
                 </subcategory>
             <subcategory>
                 <flag name="generate">
diff --git a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-epub.man b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-epub.man
index bb33c23df29..f40501270ae 100644
--- a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-epub.man
+++ b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-epub.man
@@ -1,4 +1,4 @@
-.TH "mtx-epub" "1" "01-01-2015" "version 1.10" "ConTeXt EPUB Helpers"
+.TH "mtx-epub" "1" "01-01-2016" "version 1.10" "ConTeXt EPUB Helpers"
 .SH NAME
 .B mtx-epub
 .SH SYNOPSIS
diff --git a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-fcd.man b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-fcd.man
index 311f90e4a8a..80d8670e4b8 100644
--- a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-fcd.man
+++ b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-fcd.man
@@ -1,4 +1,4 @@
-.TH "mtx-fcd" "1" "01-01-2015" "version 1.00" "Fast Directory Change"
+.TH "mtx-fcd" "1" "01-01-2016" "version 1.00" "Fast Directory Change"
 .SH NAME
 .B mtx-fcd
 .SH SYNOPSIS
diff --git a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-flac.man b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-flac.man
index 4ab875899c6..693cb71ed72 100644
--- a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-flac.man
+++ b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-flac.man
@@ -1,4 +1,4 @@
-.TH "mtx-flac" "1" "01-01-2015" "version 0.10" "ConTeXt Flac Helpers"
+.TH "mtx-flac" "1" "01-01-2016" "version 0.10" "ConTeXt Flac Helpers"
 .SH NAME
 .B mtx-flac
 .SH SYNOPSIS
diff --git a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-fonts.html b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-fonts.html
index 97a16c79a0e..e4548b2559d 100644
--- a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-fonts.html
+++ b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-fonts.html
@@ -39,7 +39,8 @@
 <table>
     <tr><th style="width: 10em">flag</th><th style="width: 8em">value</th><th>description</th></tr>
         <tr><th/><td/><td/></tr>
-        <tr><th>--save</th><td></td><td>save open type font in raw table</td></tr>
+        <tr><th>--save</th><td></td><td>save open type font in raw table (ff format)</td></tr>
+        <tr><th>--convert</th><td></td><td>save open type font in raw table (ctx format)</td></tr>
         <tr><th>--unpack</th><td></td><td>save a tma file in a more readable format</td></tr>
         <tr><th/><td/><td/></tr>
         <tr><th>--reload</th><td></td><td>generate new font database (use --force when in doubt)</td></tr>
@@ -55,6 +56,8 @@
         <tr><th>--info</th><td></td><td>give more details</td></tr>
         <tr><th>--trackers</th><td>list</td><td>enable trackers</td></tr>
         <tr><th>--statistics</th><td></td><td>some info about the database</td></tr>
+        <tr><th>--names</th><td></td><td>use name instead of unicodes</td></tr>
+        <tr><th>--cache</th><td>str</td><td>use specific cache (otl or otf)</td></tr>
     </table>
 <br/>
 <h1>Examples</h1>
@@ -71,6 +74,9 @@
 <br/><tt>mtxrun --script font --list --file somename</tt>
 <br/><tt>mtxrun --script font --list --file --all somename</tt>
 <br/><tt>mtxrun --script font --list --file --pattern=*somename*</tt>
+<br/><br/><tt>mtxrun --script font --save texgyrepagella-regular.otf</tt>
+<br/><tt>mtxrun --script font --convert texgyrepagella-regular.otf</tt>
+<br/><tt>mtxrun --script font --convert --names texgyrepagella-regular.otf</tt>
 <br/><br/>            </div>
         </div>
     </body>
diff --git a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-fonts.man b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-fonts.man
index c0806a32c8c..676ca17ab08 100644
--- a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-fonts.man
+++ b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-fonts.man
@@ -1,4 +1,4 @@
-.TH "mtx-fonts" "1" "01-01-2015" "version 0.21" "ConTeXt Font Database Management"
+.TH "mtx-fonts" "1" "01-01-2016" "version 0.21" "ConTeXt Font Database Management"
 .SH NAME
 .B mtx-fonts
 .SH SYNOPSIS
@@ -12,7 +12,10 @@
 .SH OPTIONS
 .TP
 .B --save
-save open type font in raw table
+save open type font in raw table (ff format)
+.TP
+.B --convert
+save open type font in raw table (ctx format)
 .TP
 .B --unpack
 save a tma file in a more readable format
@@ -49,6 +52,12 @@ enable trackers
 .TP
 .B --statistics
 some info about the database
+.TP
+.B --names
+use name instead of unicodes
+.TP
+.B --cache=str
+use specific cache (otl or otf)
 .SH AUTHOR
 More information about ConTeXt and the tools that come with it can be found at:
 
diff --git a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-fonts.xml b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-fonts.xml
index c3c571ca82b..8541c8dfb99 100644
--- a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-fonts.xml
+++ b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-fonts.xml
@@ -8,7 +8,8 @@
  <flags>
   <category name="basic">
    <subcategory>
-    <flag name="save"><short>save open type font in raw table</short></flag>
+    <flag name="save"><short>save open type font in raw table (ff format)</short></flag>
+    <flag name="convert"><short>save open type font in raw table (ctx format)</short></flag>
     <flag name="unpack"><short>save a tma file in a more readable format</short></flag>
    </subcategory>
    <subcategory>
@@ -27,6 +28,8 @@
     <flag name="info"><short>give more details</short></flag>
     <flag name="trackers" value="list"><short>enable trackers</short></flag>
     <flag name="statistics"><short>some info about the database</short></flag>
+    <flag name="names"><short>use name instead of unicodes</short></flag>
+    <flag name="cache" value="str"><short>use specific cache (otl or otf)</short></flag>
    </subcategory>
   </category>
  </flags>
@@ -54,6 +57,11 @@
     <example><command>mtxrun --script font --list --file --all somename</command></example>
     <example><command>mtxrun --script font --list --file --pattern=*somename*</command></example>
    </subcategory>
+   <subcategory>
+    <example><command>mtxrun --script font --save texgyrepagella-regular.otf</command></example>
+    <example><command>mtxrun --script font --convert texgyrepagella-regular.otf</command></example>
+    <example><command>mtxrun --script font --convert --names texgyrepagella-regular.otf</command></example>
+   </subcategory>
   </category>
  </examples>
 </application>
diff --git a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-grep.man b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-grep.man
index 6b85f541fd3..2a3d3031615 100644
--- a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-grep.man
+++ b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-grep.man
@@ -1,4 +1,4 @@
-.TH "mtx-grep" "1" "01-01-2015" "version 0.10" "Simple Grepper"
+.TH "mtx-grep" "1" "01-01-2016" "version 0.10" "Simple Grepper"
 .SH NAME
 .B mtx-grep
 .SH SYNOPSIS
diff --git a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-interface.html b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-interface.html
index baafab87da0..468342893b0 100644
--- a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-interface.html
+++ b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-interface.html
@@ -39,9 +39,7 @@
 <table>
     <tr><th style="width: 10em">flag</th><th style="width: 8em">value</th><th>description</th></tr>
         <tr><th/><td/><td/></tr>
-        <tr><th>--interfaces</th><td></td><td>generate context interface files</td></tr>
-        <tr><th>--messages</th><td></td><td>generate context message files</td></tr>
-        <tr><th>--labels</th><td></td><td>generate context label files</td></tr>
+        <tr><th>--interfaces</th><td></td><td>generate context mkii interface files</td></tr>
         <tr><th/><td/><td/></tr>
         <tr><th>--context</th><td></td><td>equals --interfaces --messages --languages</td></tr>
         <tr><th/><td/><td/></tr>
diff --git a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-interface.man b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-interface.man
index 36bf8bc138b..2b21c8dba69 100644
--- a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-interface.man
+++ b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-interface.man
@@ -1,4 +1,4 @@
-.TH "mtx-interface" "1" "01-01-2015" "version 0.13" "ConTeXt Interface Related Goodies"
+.TH "mtx-interface" "1" "01-01-2016" "version 0.13" "ConTeXt Interface Related Goodies"
 .SH NAME
 .B mtx-interface
 .SH SYNOPSIS
@@ -12,13 +12,7 @@
 .SH OPTIONS
 .TP
 .B --interfaces
-generate context interface files
-.TP
-.B --messages
-generate context message files
-.TP
-.B --labels
-generate context label files
+generate context mkii interface files
 .TP
 .B --context
 equals --interfaces --messages --languages
diff --git a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-interface.xml b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-interface.xml
index 6150215f6bb..495154004f3 100644
--- a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-interface.xml
+++ b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-interface.xml
@@ -8,9 +8,7 @@
  <flags>
   <category name="basic">
    <subcategory>
-    <flag name="interfaces"><short>generate context interface files</short></flag>
-    <flag name="messages"><short>generate context message files</short></flag>
-    <flag name="labels"><short>generate context label files</short></flag>
+    <flag name="interfaces"><short>generate context mkii interface files</short></flag>
    </subcategory>
    <subcategory>
     <flag name="context"><short>equals <ref name="interfaces"/> <ref name="messages"/> <ref name="languages"/></short></flag>
diff --git a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-metapost.man b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-metapost.man
index 37b1b7c9f3a..ca712c7f847 100644
--- a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-metapost.man
+++ b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-metapost.man
@@ -1,4 +1,4 @@
-.TH "mtx-metapost" "1" "01-01-2015" "version 0.10" "MetaPost to PDF processor"
+.TH "mtx-metapost" "1" "01-01-2016" "version 0.10" "MetaPost to PDF processor"
 .SH NAME
 .B mtx-metapost
 .SH SYNOPSIS
diff --git a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-metatex.man b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-metatex.man
index 72635044ff6..68e090031d1 100644
--- a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-metatex.man
+++ b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-metatex.man
@@ -1,4 +1,4 @@
-.TH "mtx-metatex" "1" "01-01-2015" "version 0.10" "MetaTeX Process Management"
+.TH "mtx-metatex" "1" "01-01-2016" "version 0.10" "MetaTeX Process Management"
 .SH NAME
 .B mtx-metatex
 .SH SYNOPSIS
diff --git a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-modules.man b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-modules.man
index a51a1b00e22..1e1e34fc2eb 100644
--- a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-modules.man
+++ b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-modules.man
@@ -1,4 +1,4 @@
-.TH "mtx-modules" "1" "01-01-2015" "version 1.00" "ConTeXt Module Documentation Generators"
+.TH "mtx-modules" "1" "01-01-2016" "version 1.00" "ConTeXt Module Documentation Generators"
 .SH NAME
 .B mtx-modules
 .SH SYNOPSIS
diff --git a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-package.man b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-package.man
index 83c140f35f7..dfd8d21f095 100644
--- a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-package.man
+++ b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-package.man
@@ -1,4 +1,4 @@
-.TH "mtx-package" "1" "01-01-2015" "version 0.10" "Distribution Related Goodies"
+.TH "mtx-package" "1" "01-01-2016" "version 0.10" "Distribution Related Goodies"
 .SH NAME
 .B mtx-package
 .SH SYNOPSIS
diff --git a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-patterns.man b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-patterns.man
index e93c1aff063..fd0088cca09 100644
--- a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-patterns.man
+++ b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-patterns.man
@@ -1,4 +1,4 @@
-.TH "mtx-patterns" "1" "01-01-2015" "version 0.20" "ConTeXt Pattern File Management"
+.TH "mtx-patterns" "1" "01-01-2016" "version 0.20" "ConTeXt Pattern File Management"
 .SH NAME
 .B mtx-patterns
 .SH SYNOPSIS
diff --git a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-pdf.man b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-pdf.man
index 29b5ad420c2..60fa91e50f3 100644
--- a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-pdf.man
+++ b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-pdf.man
@@ -1,4 +1,4 @@
-.TH "mtx-pdf" "1" "01-01-2015" "version 0.10" "ConTeXt PDF Helpers"
+.TH "mtx-pdf" "1" "01-01-2016" "version 0.10" "ConTeXt PDF Helpers"
 .SH NAME
 .B mtx-pdf
 .SH SYNOPSIS
diff --git a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-plain.man b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-plain.man
index c2e0e0bd9d5..174402377e5 100644
--- a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-plain.man
+++ b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-plain.man
@@ -1,4 +1,4 @@
-.TH "mtx-plain" "1" "01-01-2015" "version 1.00" "Plain TeX Runner"
+.TH "mtx-plain" "1" "01-01-2016" "version 1.00" "Plain TeX Runner"
 .SH NAME
 .B mtx-plain
 .SH SYNOPSIS
diff --git a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-profile.man b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-profile.man
index 6aa8e2087a4..d095634155a 100644
--- a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-profile.man
+++ b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-profile.man
@@ -1,4 +1,4 @@
-.TH "mtx-profile" "1" "01-01-2015" "version 1.00" "ConTeXt MkIV LuaTeX Profiler"
+.TH "mtx-profile" "1" "01-01-2016" "version 1.00" "ConTeXt MkIV LuaTeX Profiler"
 .SH NAME
 .B mtx-profile
 .SH SYNOPSIS
diff --git a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-rsync.man b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-rsync.man
index 195b6b0f0e4..7297ace5060 100644
--- a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-rsync.man
+++ b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-rsync.man
@@ -1,4 +1,4 @@
-.TH "mtx-rsync" "1" "01-01-2015" "version 0.10" "Rsync Helpers"
+.TH "mtx-rsync" "1" "01-01-2016" "version 0.10" "Rsync Helpers"
 .SH NAME
 .B mtx-rsync
 .SH SYNOPSIS
diff --git a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-scite.man b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-scite.man
index cbaed08d1bc..f88d4b01677 100644
--- a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-scite.man
+++ b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-scite.man
@@ -1,4 +1,4 @@
-.TH "mtx-scite" "1" "01-01-2015" "version 1.00" "Scite Helper Script"
+.TH "mtx-scite" "1" "01-01-2016" "version 1.00" "Scite Helper Script"
 .SH NAME
 .B mtx-scite
 .SH SYNOPSIS
diff --git a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-server.man b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-server.man
index f3d3ae6e429..3c115c0c159 100644
--- a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-server.man
+++ b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-server.man
@@ -1,4 +1,4 @@
-.TH "mtx-server" "1" "01-01-2015" "version 0.10" "Simple Webserver For Helpers"
+.TH "mtx-server" "1" "01-01-2016" "version 0.10" "Simple Webserver For Helpers"
 .SH NAME
 .B mtx-server
 .SH SYNOPSIS
diff --git a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-texworks.man b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-texworks.man
index b9cc2ed98d7..1422b802a5d 100644
--- a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-texworks.man
+++ b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-texworks.man
@@ -1,4 +1,4 @@
-.TH "mtx-texworks" "1" "01-01-2015" "version 1.00" "TeXworks Startup Script"
+.TH "mtx-texworks" "1" "01-01-2016" "version 1.00" "TeXworks Startup Script"
 .SH NAME
 .B mtx-texworks
 .SH SYNOPSIS
diff --git a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-timing.man b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-timing.man
index 2f7584f3da7..9a5b987903b 100644
--- a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-timing.man
+++ b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-timing.man
@@ -1,4 +1,4 @@
-.TH "mtx-timing" "1" "01-01-2015" "version 0.10" "ConTeXt Timing Tools"
+.TH "mtx-timing" "1" "01-01-2016" "version 0.10" "ConTeXt Timing Tools"
 .SH NAME
 .B mtx-timing
 .SH SYNOPSIS
diff --git a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-tools.man b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-tools.man
index 408d467cdbf..b828f48d0d9 100644
--- a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-tools.man
+++ b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-tools.man
@@ -1,4 +1,4 @@
-.TH "mtx-tools" "1" "01-01-2015" "version 1.01" "Some File Related Goodies"
+.TH "mtx-tools" "1" "01-01-2016" "version 1.01" "Some File Related Goodies"
 .SH NAME
 .B mtx-tools
 .SH SYNOPSIS
diff --git a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-unicode.html b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-unicode.html
new file mode 100644
index 00000000000..c042b28c0e4
--- /dev/null
+++ b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-unicode.html
@@ -0,0 +1,48 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+
+<!-- compare with lmx framework variant -->
+
+<!--
+    filename : context-base.xml
+    comment  : companion to mtx-server-ctx-startup.tex
+    author   : Hans Hagen, PRAGMA-ADE, Hasselt NL
+    copyright: PRAGMA ADE / ConTeXt Development Team
+    license  : see context related readme files
+-->
+
+<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
+    <head>
+        <title>Checker for char-def.lua 1.02</title>
+        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
+                <style type="text/css">
+            body { color: #FFFFFF; background-color: #808080; font-family: optima, verdana, futura, "lucida sans", arial, geneva, helvetica, sans; font-size: 12px; line-height: 18px; } a:link, a:active, a:visited { color: #FFFFFF; } a.dir-view:link, a.dir-view:active, a.dir-view:visited { color: #FFFFFF; text-decoration: underline; } .valid { color: #00FF00; } .invalid { color: #FF0000; } button, .commonlink, .smallbutton { font-weight: bold; font-size: 12px; text-decoration: none; color: #000000; border-color: #7F7F7F; border-style: solid; border-width: .125ex; background-color: #FFFFFF; padding: .5ex; } .smallbutton { width: 1em; } a.commonlink:link, a.commonlink:active, a.commonlink:visited, a.smalllink:link, a.smalllink:active, a.smalllink:visited { font-weight: bold; font-size: 12px; text-decoration: none; color: #000000; } h1, .title { font-style: normal; font-weight: normal; font-size: 18px; line-height: 18px; margin-bottom: 20px; } h2, .subtitle { font-style: normal; font-weight: normal; font-size: 12px; margin-top: 18px; margin-bottom: 18px; } table { line-height: 18px; font-size: 12px; margin: 0; } th { font-weight: bold; text-align: left; padding-bottom: 6px; } .tc { font-weight: bold; text-align: left; } p, li { max-width: 60em; } .empty-line { margin-top: 4px; } .more-room { margin-right: 1.5em; } .much-more-room { margin-right: 3em; } #main { position: absolute; left: 10%; top: 10%; right: 10%; bottom: 10%; z-index: 2; width: 80%; height: 80%; padding: 0%; margin: 0%; overflow: auto; border-style: none; border-width: 0; background-color: #3F3F3F; } #main-settings { margin: 12px; x_max-width: 60em; line-height: 18px; font-size: 12px; } #left { position: absolute; top : 10%; left: 0%; bottom: 0%; right: 90%; z-index: 1; width: 10%; height: 90%; padding: 0%; margin: 0%; font-size: 16px; border-style: none; border-width: 0; background-color: #4F6F6F; } #right { position: absolute; top : 0%; left: 90%; bottom: 10%; right: 0%; z-index: 1; width: 10%; height: 90%; padding: 0%; margin: 0%; font-size: 16px; border-style: none; border-width: 0; background-color: #4F6F6F; _margin-left: -15px; } #bottom { position: absolute; left: 10%; right: 0%; top: 90%; bottom: 0%; z-index: 1; width: 90%; height: 10%; padding: 0%; margin: 0%; font-size: 16px; border-style: none; border-width: 0; background-color: #6F6F8F; } #top { position: absolute; left: 0%; right: 10%; top: 0%; bottom: 90%; z-index: 1; width: 90%; height: 10%; padding: 0%; margin: 0%; font-size: 16px; border-style: none; border-width: 0; background-color: #6F6F8F; } #top-one { position: absolute; bottom: 50%; width: 100%; buggedheight: 100%; } #top-two { position: relative; margin-bottom: -9px; margin-left: 12px; margin-right: 12px; line-height: 18px; text-align: right; vertical-align: middle; } #bottom-one { position: absolute; bottom: 50%; width: 100%; buggedheight: 100%; } #bottom-two { position: relative; margin-bottom: -9px; margin-left: 12px; margin-right: 12px; line-height: 18px; text-align: left; vertical-align: middle; } #left-one { position: absolute; width: 100%; buggedheight: 100%; } #left-two { position: relative; margin-top: 12px; line-height: 18px; text-align: center; vertical-align: top; } #right-one { display: table; height: 100%; width: 100%; } #right-two { display: table-row; height: 100%; width: 100%; } #right-three { display: table-cell; width: 100%; vertical-align: bottom; _position: absolute; _top: 100%; } #right-four { text-align: center; margin-bottom: 2ex; _position: relative; _top: -100%; } #more-top { position: absolute; top: 0%; left: 90%; bottom: 90%; right: 0%; z-index: 3; width: 10%; height: 10%; padding: 0%; margin: 0%; border-style: none; border-width: 0; } #more-top-settings { text-align: center; } #more-right-settings { margin-right: 12px; margin-left: 12px; line-height: 18px; font-size: 10px; text-align: center; } #right-safari { _display: table; width: 100%; height: 100%; } 
+        </style>
+        <style type="text/css">
+                    </style>
+            </head>
+            <body>
+        <div id="top">            <div id="top-one">
+                <div id="top-two">Checker for char-def.lua 1.02 </div>
+            </div>
+        </div>
+        <div id="bottom">            <div id="bottom-one">
+                <div id="bottom-two">wiki: http://contextgarden.net | mail: ntg-context@ntg.nl | website: http://www.pragma-ade.nl</div>
+            </div>
+        </div>
+        <div id="left"></div>
+        <div id="right"></div>
+        <div id="main">
+            <div id='main-settings'>
+                <h1>Command line options</h1>
+<table>
+    <tr><th style="width: 10em">flag</th><th style="width: 8em">value</th><th>description</th></tr>
+        <tr><th/><td/><td/></tr>
+        <tr><th>--whatever</th><td></td><td>do whatever</td></tr>
+    </table>
+<br/>
+            </div>
+        </div>
+    </body>
+    </html>
diff --git a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-unicode.man b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-unicode.man
new file mode 100644
index 00000000000..4f520b9b8f9
--- /dev/null
+++ b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-unicode.man
@@ -0,0 +1,27 @@
+.TH "mtx-unicode" "1" "01-01-2016" "version 1.02" "Checker for char-dat.lua"
+.SH NAME
+.B mtx-unicode
+.SH SYNOPSIS
+.B mtxrun --script unicode [
+.I OPTIONS ...
+.B ] [
+.I FILENAMES
+.B ]
+.SH DESCRIPTION
+.B Checker for char-dat.lua
+.SH OPTIONS
+.TP
+.B --whatever
+do whatever
+.SH AUTHOR
+More information about ConTeXt and the tools that come with it can be found at:
+
+
+.B "maillist:"
+ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
+
+.B "webpage:"
+http://www.pragma-ade.nl / http://tex.aanhet.net
+
+.B "wiki:"
+http://contextgarden.net
diff --git a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-unicode.xml b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-unicode.xml
new file mode 100644
index 00000000000..2ab23f58244
--- /dev/null
+++ b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-unicode.xml
@@ -0,0 +1,15 @@
+<?xml version="1.0"?>
+<application>
+ <metadata>
+  <entry name="name">mtx-unicode</entry>
+  <entry name="detail">Checker for char-dat.lua</entry>
+  <entry name="version">1.02</entry>
+ </metadata>
+ <flags>
+  <category name="basic">
+   <subcategory>
+    <flag name="whatever"><short>do whatever</short></flag>
+   </subcategory>
+  </category>
+ </flags>
+</application>
diff --git a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-unzip.man b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-unzip.man
index d9e2c844760..548ca1dc35e 100644
--- a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-unzip.man
+++ b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-unzip.man
@@ -1,4 +1,4 @@
-.TH "mtx-unzip" "1" "01-01-2015" "version 0.10" "Simple Unzipper"
+.TH "mtx-unzip" "1" "01-01-2016" "version 0.10" "Simple Unzipper"
 .SH NAME
 .B mtx-unzip
 .SH SYNOPSIS
diff --git a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-update.html b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-update.html
index 1cc6bd3af39..feae398eca3 100644
--- a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-update.html
+++ b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-update.html
@@ -57,6 +57,7 @@
         <tr><th>--state</th><td></td><td>update tree using saved state</td></tr>
         <tr><th>--cygwin</th><td></td><td>adapt drive specs to cygwin</td></tr>
         <tr><th>--mingw</th><td></td><td>assume mingw binaries being used</td></tr>
+        <tr><th>--silent</th><td></td><td>less (or no) logging</td></tr>
     </table>
 <br/>
             </div>
diff --git a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-update.man b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-update.man
index e27c2ab43f0..3a3ca6ae85b 100644
--- a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-update.man
+++ b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-update.man
@@ -1,4 +1,4 @@
-.TH "mtx-update" "1" "01-01-2015" "version 1.02" "ConTeXt Minimals Updater"
+.TH "mtx-update" "1" "01-01-2016" "version 1.02" "ConTeXt Minimals Updater"
 .SH NAME
 .B mtx-update
 .SH SYNOPSIS
@@ -64,6 +64,9 @@ adapt drive specs to cygwin
 .TP
 .B --mingw
 assume mingw binaries being used
+.TP
+.B --silent
+less (or no) logging
 .SH AUTHOR
 More information about ConTeXt and the tools that come with it can be found at:
 
diff --git a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-update.xml b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-update.xml
index c5d9205c383..00be476fbad 100644
--- a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-update.xml
+++ b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-update.xml
@@ -26,6 +26,7 @@
     <flag name="state"><short>update tree using saved state</short></flag>
     <flag name="cygwin"><short>adapt drive specs to cygwin</short></flag>
     <flag name="mingw"><short>assume mingw binaries being used</short></flag>
+    <flag name="silent"><short>less (or no) logging</short></flag>
    </subcategory>
   </category>
  </flags>
diff --git a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-watch.man b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-watch.man
index d8fab3acd5b..1fcb090d061 100644
--- a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-watch.man
+++ b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-watch.man
@@ -1,4 +1,4 @@
-.TH "mtx-watch" "1" "01-01-2015" "version 1.00" "ConTeXt Request Watchdog"
+.TH "mtx-watch" "1" "01-01-2016" "version 1.00" "ConTeXt Request Watchdog"
 .SH NAME
 .B mtx-watch
 .SH SYNOPSIS
diff --git a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-youless.man b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-youless.man
index 2703ec34f79..d360430bdb9 100644
--- a/Master/texmf-dist/doc/context/scripts/mkiv/mtx-youless.man
+++ b/Master/texmf-dist/doc/context/scripts/mkiv/mtx-youless.man
@@ -1,4 +1,4 @@
-.TH "mtx-youless" "1" "01-01-2015" "version 1.00" "youless Fetcher"
+.TH "mtx-youless" "1" "01-01-2016" "version 1.00" "youless Fetcher"
 .SH NAME
 .B mtx-youless
 .SH SYNOPSIS
diff --git a/Master/texmf-dist/doc/context/scripts/mkiv/mtxrun.man b/Master/texmf-dist/doc/context/scripts/mkiv/mtxrun.man
index 8a3a75b64a5..90a0f915212 100644
--- a/Master/texmf-dist/doc/context/scripts/mkiv/mtxrun.man
+++ b/Master/texmf-dist/doc/context/scripts/mkiv/mtxrun.man
@@ -1,4 +1,4 @@
-.TH "mtxrun" "1" "01-01-2015" "version 1.31" "ConTeXt TDS Runner Tool"
+.TH "mtxrun" "1" "01-01-2016" "version 1.31" "ConTeXt TDS Runner Tool"
 .SH NAME
 .B mtxrun
 .SH SYNOPSIS
diff --git a/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-000.tex b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-000.tex
new file mode 100644
index 00000000000..429a067de44
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-000.tex
@@ -0,0 +1,63 @@
+% content=tex
+%
+% copyright=pragma-ade readme=readme.pdf licence=cc-by-nc-sa
+
+\usemodule[visual]
+\usemodule[simulate]
+
+\dontcomplain
+
+\startenvironment columnsets-000
+
+\useMPlibrary[dum]
+
+\setupbodyfont
+  [palatino]
+
+\setuplayout
+  [grid=yes]
+
+\setuplayout
+  [backspace=20mm,
+   cutspace=15mm,
+   width=middle,
+   height=middle]
+
+\setupsystem
+  [random=1234]
+
+\setuppagenumbering
+  [alternative=doublesided,
+   location=]
+
+\setupheadertexts
+  [pagenumber][right]
+  [left][pagenumber]
+
+\setupfootertexts
+  [\inputfilename]
+
+\setupfooter
+  [style=\tttf]
+
+\setuptolerance
+  [verytolerant,stretch]
+
+\definecolor[color-1][.5(red,green)]
+\definecolor[color-2][.5(green,blue)]
+\definecolor[color-3][.5(blue,red)]
+\definecolor[color-4][.5(white,black)]
+\definecolor[color-5][.5(white,color-4)]
+
+\startuniqueMPgraphic{frame}
+  fill OverlayBox withcolor \MPcolor{color-1} ;
+\stopuniqueMPgraphic
+
+\startuniqueMPgraphic{contrast}
+  fill OverlayBox withcolor \MPcolor{color-3} ;
+\stopuniqueMPgraphic
+
+\defineoverlay[frame]   [\uniqueMPgraphic{frame}]
+\defineoverlay[contrast][\uniqueMPgraphic{contrast}]
+
+\stopenvironment
diff --git a/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-001.tex b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-001.tex
new file mode 100644
index 00000000000..689f4e04499
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-001.tex
@@ -0,0 +1,17 @@
+% content=tex
+%
+% copyright=pragma-ade readme=readme.pdf licence=cc-by-nc-sa
+
+\environment columnsets-000
+
+\definecolumnset[example][n=2]
+
+\starttext
+
+\startcolumnset[example]
+
+  \dorecurse{20}{\fakewords{100}{200}\par}
+
+\stopcolumnset
+
+\stoptext
diff --git a/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-002.tex b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-002.tex
new file mode 100644
index 00000000000..a67dd3161e5
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-002.tex
@@ -0,0 +1,17 @@
+% content=tex
+%
+% copyright=pragma-ade readme=readme.pdf licence=cc-by-nc-sa
+
+\environment columnsets-000
+
+\definecolumnset[example][nleft=3,nright=2,width=5cm]
+
+\starttext
+
+\startcolumnset[example]
+
+  \dorecurse{15}{\fakewords{100}{200}\par}
+
+\stopcolumnset
+
+\stoptext
diff --git a/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-003.tex b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-003.tex
new file mode 100644
index 00000000000..eed0286f8a9
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-003.tex
@@ -0,0 +1,35 @@
+% content=tex
+%
+% copyright=pragma-ade readme=readme.pdf licence=cc-by-nc-sa
+
+\environment columnsets-000
+
+\definecolumnset[example][n=2,page=left]
+
+\setupbackgrounds[text][background=color,backgroundcolor=color-1]
+
+\setupcolumnsetstart[example][1][1][2]
+\setupcolumnsetstart[example][1][2][4]
+\setupcolumnsetstart[example][2][1][6]
+\setupcolumnsetstart[example][2][2][6]
+\setupcolumnsetstart[example][3][1][4]
+\setupcolumnsetstart[example][3][2][2]
+
+\setupcolumnsetlines[example][1][1][-2]
+\setupcolumnsetlines[example][1][2][-4]
+\setupcolumnsetlines[example][2][1][-6]
+\setupcolumnsetlines[example][2][2][-6]
+\setupcolumnsetlines[example][3][1][-4]
+\setupcolumnsetlines[example][3][2][-2]
+\setupcolumnsetlines[example][4][1][4]
+\setupcolumnsetlines[example][4][2][10]
+
+\starttext
+
+\startcolumnset[example]
+
+  \dorecurse{20}{\fakewords{100}{200}\par}
+
+\stopcolumnset
+
+\stoptext
diff --git a/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-004.tex b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-004.tex
new file mode 100644
index 00000000000..a58ddf62194
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-004.tex
@@ -0,0 +1,32 @@
+% content=tex
+%
+% copyright=pragma-ade readme=readme.pdf licence=cc-by-nc-sa
+
+\environment columnsets-000
+
+\definecolumnset[example][n=3,page=left]
+
+\definecolor[fakerulecolor]
+
+\definecolumnsetspan[wide] [n=2,background=contrast,color=white]
+\definecolumnsetspan[wider][n=4,background=contrast,color=white]
+
+\starttext
+
+\startcolumnset[example]
+
+  \startcolumnsetspan[wider]
+    wider: \dorecurse{2}{#1: \fakewords{25}{50}\par}
+  \stopcolumnsetspan
+
+  inbetween: \fakewords{25}{50}\par
+
+  \startcolumnsetspan[wide]
+    wide : \dorecurse{2}{#1: \fakewords{25}{50}\par}
+  \stopcolumnsetspan
+
+  after: \dorecurse{15}{#1: \fakewords{100}{200}\par}
+
+\stopcolumnset
+
+\stoptext
diff --git a/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-005.tex b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-005.tex
new file mode 100644
index 00000000000..f1d970d9ea6
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-005.tex
@@ -0,0 +1,29 @@
+% content=tex
+%
+% copyright=pragma-ade readme=readme.pdf licence=cc-by-nc-sa
+
+\environment columnsets-000
+
+\definecolumnset[example][n=3,page=left]
+
+\definecolumnsetspan[wide][n=2,background=contrast,color=white]
+
+\definecolor[fakerulecolor]
+
+\starttext
+
+\startcolumnset[example]
+
+  \startcolumnsetspan[wide][default=btlr]
+
+    \startsimplecolumns
+      \dorecurse{2}{\fakewords{25}{40}\par}
+    \stopsimplecolumns
+
+  \stopcolumnsetspan
+
+  \dorecurse{15}{\fakewords{100}{200}\par}
+
+\stopcolumnset
+
+\stoptext
diff --git a/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-006.tex b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-006.tex
new file mode 100644
index 00000000000..0336199708d
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-006.tex
@@ -0,0 +1,35 @@
+% content=tex
+%
+% copyright=pragma-ade readme=readme.pdf licence=cc-by-nc-sa
+
+\environment columnsets-000
+
+\definecolumnset[example][n=3,page=left]
+
+\definecolor[fakerulecolor]
+
+\definecolumnsetspan[wide][n=2,background=contrast,color=white]
+
+\starttext
+
+\startcolumnset[example]
+
+  \startcolumnsetspan[wide]
+    \fakewords{25}{50}
+  \stopcolumnsetspan
+
+  \fakewords{25}{50}
+
+  \startcolumnsetspan[wide]
+    \fakewords{25}{50}
+  \stopcolumnsetspan
+
+  \startcolumnsetspan[wide][default=btrl]
+    \fakewords{25}{50}
+  \stopcolumnsetspan
+
+  \dorecurse{15}{\fakewords{100}{200}\par}
+
+\stopcolumnset
+
+\stoptext
diff --git a/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-007.tex b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-007.tex
new file mode 100644
index 00000000000..137a414d96f
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-007.tex
@@ -0,0 +1,43 @@
+% content=tex
+%
+% copyright=pragma-ade readme=readme.pdf licence=cc-by-nc-sa
+
+\environment columnsets-000
+
+\definecolumnset[example][n=3,page=left]
+
+\definecolor[fakerulecolor]
+
+\definecolumnsetspan[wide][n=2,background=contrast,color=white]
+
+\starttext
+
+\startbuffer
+
+  \startcolumnsetspan[wide]
+    \fakewords{25}{50}
+  \stopcolumnsetspan
+
+  \fakewords{25}{50}
+
+  \startcolumnsetspan[wide]
+    \fakewords{25}{50}
+  \stopcolumnsetspan
+
+  \startcolumnsetspan[wide][default=btrl]
+    \fakewords{25}{50}
+  \stopcolumnsetspan
+
+  \dorecurse{3}{\fakewords{100}{200}\par}
+
+\stopbuffer
+
+\startcolumnset[example]
+
+  \dorecurse{4}{\getbuffer}
+
+  \dorecurse{5}{\fakewords{100}{200}\par}
+
+\stopcolumnset
+
+\stoptext
diff --git a/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-101.tex b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-101.tex
new file mode 100644
index 00000000000..f9c7b59cb47
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-101.tex
@@ -0,0 +1,30 @@
+% content=tex
+%
+% copyright=pragma-ade readme=readme.pdf licence=cc-by-nc-sa
+
+\environment columnsets-000
+
+\definecolumnset[example][n=4,page=left]
+
+\starttext
+
+\startbuffer
+\fakewords{100}{200}
+\placefigure
+  {}
+  {\externalfigure[placeholder][width=\columnsetspanwidth{1}]}
+\fakewords{100}{200}
+\placefigure
+  {}
+  {\externalfigure[placeholder][width=\columnsetspanwidth{2}]}
+\fakewords{100}{200}
+\stopbuffer
+
+\startcolumnset[example]
+
+  \dorecurse {5}{\getbuffer}
+  \dorecurse{10}{\fakewords{100}{200}\par}
+
+\stopcolumnset
+
+\stoptext
diff --git a/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-102.tex b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-102.tex
new file mode 100644
index 00000000000..3cf4dcd0eae
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-102.tex
@@ -0,0 +1,36 @@
+% content=tex
+%
+% copyright=pragma-ade readme=readme.pdf licence=cc-by-nc-sa
+
+\environment columnsets-000
+
+\definecolumnset[example][n=4,page=left]
+
+\starttext
+
+\startbuffer
+\placefigure [tbrl]
+  {tblr}
+  {\externalfigure[fake][width=\columnsetspanwidth{1},lines=5]}
+\placefigure [fxtb:6*4]
+  {fxtb}
+  {\externalfigure[fake][width=\columnsetspanwidth{2},lines=5]}
+\placefigure [btlr]
+  {btlr}
+  {\externalfigure[fake][width=\columnsetspanwidth{2},lines=5]}
+\placefigure [btlr]
+  {btlr}
+  {\externalfigure[fake][width=\columnsetspanwidth{3},lines=5]}
+
+\dorecurse {5} {
+  \fakewords{100}{200}\par
+}
+\stopbuffer
+
+\startcolumnset[example]
+
+  \dorecurse{6}{\getbuffer}
+
+\stopcolumnset
+
+\stoptext
diff --git a/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-103.tex b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-103.tex
new file mode 100644
index 00000000000..f1d4dbedc57
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-103.tex
@@ -0,0 +1,37 @@
+% content=tex
+%
+% copyright=pragma-ade readme=readme.pdf licence=cc-by-nc-sa
+
+\environment columnsets-000
+
+\definecolumnset[example][n=4,page=left]
+
+\starttext
+
+\startcolumnset[example]
+
+\useexternalfigure[fake][fake][width=\textwidth,lines=3]
+
+\placefigure[btlr]{brlr}{\externalfigure[fake]}
+\placefigure[btlr]{brlr}{\externalfigure[fake]}
+\placefigure[btrl]{btrl}{\externalfigure[fake]}
+\placefigure[btrl]{btrl}{\externalfigure[fake]}
+\placefigure[tblr]{tblr}{\externalfigure[fake]}
+\placefigure[tblr]{tblr}{\externalfigure[fake]}
+\placefigure[tbrl]{tbrl}{\externalfigure[fake]}
+\placefigure[tbrl]{tbrl}{\externalfigure[fake]}
+
+\placefigure[lrbt]{lrbt}{\externalfigure[fake]}
+\placefigure[lrbt]{lrbt}{\externalfigure[fake]}
+\placefigure[lrtb]{lrtb}{\externalfigure[fake]}
+\placefigure[lrtb]{lrtb}{\externalfigure[fake]}
+\placefigure[rlbt]{rlbt}{\externalfigure[fake]}
+\placefigure[rlbt]{rlbt}{\externalfigure[fake]}
+\placefigure[rltb]{rltb}{\externalfigure[fake]}
+\placefigure[rltb]{rltb}{\externalfigure[fake]}
+
+\dorecurse{10}{\fakewords{50}{100}\par}
+
+\stopcolumnset
+
+\stoptext
diff --git a/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-201.tex b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-201.tex
new file mode 100644
index 00000000000..37b26c391db
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-201.tex
@@ -0,0 +1,31 @@
+% content=tex
+%
+% copyright=pragma-ade readme=readme.pdf licence=cc-by-nc-sa
+
+\environment columnsets-000
+
+\definecolumnset[example][n=4,page=left]
+
+\definecolumnsetarea
+  [one]
+  [type=both,
+   x=1,y=1,nx=2,ny=6,
+   background=contrast,
+   state=repeat]
+
+\definecolumnsetarea
+  [two]
+  [type=both,
+   x=4,y=10,nx=1,ny=6,
+   background=contrast,
+   state=repeat]
+
+\starttext
+
+\startcolumnset[example]
+
+  \dorecurse{40}{\fakewords{50}{100}\par}
+
+\stopcolumnset
+
+\stoptext
diff --git a/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-202.tex b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-202.tex
new file mode 100644
index 00000000000..1721d9cbc88
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-202.tex
@@ -0,0 +1,32 @@
+% content=tex
+%
+% copyright=pragma-ade readme=readme.pdf licence=cc-by-nc-sa
+
+\environment columnsets-000
+
+\definecolumnset[example][n=4,page=left]
+
+\definecolumnsetarea
+  [one][left]
+  [x=1,y=1,nx=2,ny=6,
+   background=contrast,state=repeat]
+
+\definecolumnsetarea
+  [two][right]
+  [x=3,y=1,nx=2,ny=6,
+   background=contrast,state=repeat]
+
+\definecolumnsetarea
+  [three][both]
+  [x=2,y=10,nx=2,ny=6,
+   background=contrast,state=repeat]
+
+\starttext
+
+\startcolumnset[example]
+
+  \dorecurse{30}{\fakewords{50}{100}}
+
+\stopcolumnset
+
+\stoptext
diff --git a/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-203.tex b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-203.tex
new file mode 100644
index 00000000000..6c15578bce9
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-203.tex
@@ -0,0 +1,29 @@
+% content=tex
+%
+% copyright=pragma-ade readme=readme.pdf licence=cc-by-nc-sa
+
+\environment columnsets-000
+
+\definecolumnset[example][n=4,page=left]
+
+\definecolumnsetarea
+  [one]% [left]
+  [x=1,y=1,nx=6,ny=6,
+   background=contrast,state=start]
+
+\definecolumnsetarea
+  [two]%[left]
+  [x=3,y=10,nx=4,ny=6,
+   background=contrast,state=start]
+
+\stopsetups
+
+\starttext
+
+\startcolumnset[example]
+
+  \dorecurse{25}{\fakewords{50}{100}}
+
+\stopcolumnset
+
+\stoptext
diff --git a/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-204.tex b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-204.tex
new file mode 100644
index 00000000000..d390f468e96
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-204.tex
@@ -0,0 +1,41 @@
+% content=tex
+%
+% copyright=pragma-ade readme=readme.pdf licence=cc-by-nc-sa
+
+\usemodule[oldfun]
+
+\environment columnsets-000
+
+\definecolumnset[example][n=4,page=left]
+
+\definecolumnsetarea
+  [title]
+  [x=1,y=1,nx=8,ny=8,
+   background=contrast,
+   color=white,
+   align={lohi,right},
+   state=start]
+
+\setupcolumnsetareatext
+  [title]
+  [\setups{the title}]
+
+\startsetups[the title]
+
+  \GapText
+    {\dimexpr\makeupwidth+\backspace\relax}
+    {6pt}
+    {RegularBold*default} {sa 4}
+    {A Title Spanni\+ng 2 Pages}
+
+\stopsetups
+
+\starttext
+
+\startcolumnset[example]
+
+  \dorecurse{30}{\fakewords{50}{100}\par}
+
+\stopcolumnset
+
+\stoptext
diff --git a/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-205.tex b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-205.tex
new file mode 100644
index 00000000000..b5370977010
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-205.tex
@@ -0,0 +1,42 @@
+% content=tex
+%
+% copyright=pragma-ade readme=readme.pdf licence=cc-by-nc-sa
+
+\usemodule[oldfun]
+
+\environment columnsets-000
+
+\unprotected \def\SpreadGapText#1#2{{\def\+{\blackrule[\c!width=#1]}#2}}
+
+\definecolumnset[example][n=4,page=left]
+
+\definecolumnsetarea
+  [title]
+  [x=1,y=1,nx=8,ny=8,
+   background=contrast,
+   color=white,
+   align={lohi,right},
+   state=start]
+
+\setupcolumnsetareatext
+  [title]
+  [\setups{the title}]
+
+\startsetups[the title]
+
+  \GapText
+    {\dimexpr(\makeupwidth+\backspace)} {6pt}
+    {RegularBold} {sa 4}
+    {A Title Spanni\+ng 2 Pages}
+
+\stopsetups
+
+\starttext
+
+\startcolumnset[example]
+
+  \dorecurse{30}{\fakewords{50}{100}\par}
+
+\stopcolumnset
+
+\stoptext
diff --git a/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-206.tex b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-206.tex
new file mode 100644
index 00000000000..8b9f524b1da
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-206.tex
@@ -0,0 +1,29 @@
+% content=tex
+%
+% copyright=pragma-ade readme=readme.pdf licence=cc-by-nc-sa
+
+\environment columnsets-000
+
+\definecolumnset[example][n=4,page=left]
+
+\definecolumnsetarea
+  [first]
+  [x=2,y=4,nx=2,ny=8,
+   background=contrast,
+   state=start]
+
+\definecolumnsetarea
+  [second]
+  [x=1,y=20,nx=1,ny=3,
+   background=contrast,
+   state=start]
+
+\starttext
+
+\startcolumnset[example]
+
+  \dorecurse{50}{\fakewords{50}{100}\par}
+
+\stopcolumnset
+
+\stoptext
diff --git a/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-301.tex b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-301.tex
new file mode 100644
index 00000000000..4d21f2b0216
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-301.tex
@@ -0,0 +1,29 @@
+% content=tex
+%
+% copyright=pragma-ade readme=readme.pdf licence=cc-by-nc-sa
+
+\environment columnsets-000
+
+\definecolumnset[example][n=4]
+
+\starttext
+
+\startcolumnset[example]
+
+   1:         \fakewords{50}{75} \column
+   2: []      \fakewords{50}{75} \column[yes]
+   3: [yes]   \fakewords{50}{75} \column[page]
+                                 \column[page] % redundant
+   4: [page]  \fakewords{50}{75} \column[3]
+   5: [3]     \fakewords{50}{75} \column[4]
+   6: [4]     \fakewords{50}{75} \column[first]
+   7: [first] \fakewords{50}{75} \column[last]
+   8: [last]  \fakewords{50}{75} \page
+   9: (page)  \fakewords{50}{75} \page
+                                 \page % redundant
+  10: (page)  \fakewords{50}{75} \column[3*5]
+  11: [3*5]   \fakewords{50}{75}
+
+\stopcolumnset
+
+\stoptext
diff --git a/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-401.tex b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-401.tex
new file mode 100644
index 00000000000..ee91e608cec
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-401.tex
@@ -0,0 +1,26 @@
+% content=tex
+%
+% copyright=pragma-ade readme=readme.pdf licence=cc-by-nc-sa
+
+\environment columnsets-000
+
+\definecolumnset[example][n=4,page=left]
+
+\setupbackgrounds[text][text][background=contrast]
+
+\definecolor[fakerulecolor][white]
+
+\setupcolumnset[example:2][distance=36pt]
+\setupcolumnset[example:3][distance=72pt]
+\setupcolumnset[example:4][distance=24pt]
+\setupcolumnset[example:5][distance=48pt]
+
+\starttext
+
+\startcolumnset[example]
+
+  \dorecurse{25}{\fakewords{100}{150}\par}
+
+\stopcolumnset
+
+\stoptext
diff --git a/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-402.tex b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-402.tex
new file mode 100644
index 00000000000..00db6017cf1
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-402.tex
@@ -0,0 +1,24 @@
+% content=tex
+%
+% copyright=pragma-ade readme=readme.pdf licence=cc-by-nc-sa
+
+\environment columnsets-000
+
+\definecolumnset[example][n=4,page=left]
+
+\setupbackgrounds[text][text][background=contrast]
+
+\setupcolumnset[example]  [distance=24pt]
+\setupcolumnset[example:1][distance=96pt]
+
+\definecolor[fakerulecolor][white]
+
+\starttext
+
+\startcolumnset[example]
+
+  \dorecurse{25}{\fakewords{100}{150}\par}
+
+\stopcolumnset
+
+\stoptext
diff --git a/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-403.tex b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-403.tex
new file mode 100644
index 00000000000..c9bc2e648cf
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-403.tex
@@ -0,0 +1,23 @@
+% content=tex
+%
+% copyright=pragma-ade readme=readme.pdf licence=cc-by-nc-sa
+
+\environment columnsets-000
+
+\definecolumnset[example][n=4,page=left]
+
+\setupbackgrounds[text][text][background=contrast]
+
+\definecolor[fakerulecolor][white]
+
+\setupcolumnset[example][width=.15\makeupwidth]
+
+\starttext
+
+\startcolumnset[example]
+
+  \dorecurse{25}{\fakewords{100}{150}\par}
+
+\stopcolumnset
+
+\stoptext
diff --git a/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-404.tex b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-404.tex
new file mode 100644
index 00000000000..05a25acfea1
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-404.tex
@@ -0,0 +1,34 @@
+% content=tex
+%
+% copyright=pragma-ade readme=readme.pdf licence=cc-by-nc-sa
+
+\environment columnsets-000
+
+\definecolumnset[example][n=3,page=left]
+
+\setupbackgrounds[text][text][background=contrast]
+
+\setupcolumnset[frame=on,framecolor=color-4,rulethickness=1mm]
+
+\definecolor[fakerulecolor][white]
+
+\setupcolumnset[example:1][width=2cm]
+\setupcolumnset[example:2][width=4cm]
+\setupcolumnset[example:3][width=3cm]
+
+\setupcolumnset[example:4][width=3cm]
+\setupcolumnset[example:5][width=4cm]
+\setupcolumnset[example:6][width=6cm]
+
+\starttext
+
+\startcolumnset[example]
+
+\dorecurse{15}{
+  \dorecurse{3}{\fakewords{10}{15}\par}
+  \column[yes]
+}
+
+\stopcolumnset
+
+\stoptext
diff --git a/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-405.tex b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-405.tex
new file mode 100644
index 00000000000..fa20ef34c6c
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-405.tex
@@ -0,0 +1,29 @@
+% content=tex
+%
+% copyright=pragma-ade readme=readme.pdf licence=cc-by-nc-sa
+
+\environment columnsets-000
+
+\definecolumnset[example][n=4,page=left]
+
+\setupbackgrounds[text][text][background=contrast]
+
+\setupcolumnset[frame=on,framecolor=color-4,rulethickness=1mm]
+
+\definecolor[fakerulecolor][white]
+
+\setupcolumnset[example:1][width=.3\makeupwidth]
+
+\starttext
+
+\startcolumnset[example]
+
+  \fakewords{150}{150}
+  \column
+  \fakewords{25}{50}
+
+  \dorecurse{25}{\fakewords{50}{75}\par}
+
+\stopcolumnset
+
+\stoptext
diff --git a/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-601.tex b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-601.tex
new file mode 100644
index 00000000000..b139210f424
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-601.tex
@@ -0,0 +1,29 @@
+% content=tex
+%
+% copyright=pragma-ade readme=readme.pdf licence=cc-by-nc-sa
+
+\environment columnsets-000
+
+\definecolumnset[example][n=4,page=left,direction=reverse]
+
+\setupbackgrounds[text][text][background=contrast]
+
+\definecolor[fakerulecolor][color-1]
+
+\starttext
+
+\startcolumnset[example]
+
+  \dorecurse{50}{
+    \dontleavehmode
+    \snaptogrid\hbox
+      {\scale[height=2.5\lineheight]{\color[white]{#1}}}%
+    \space
+    \fakewords{30}{60}
+   %\simulatewords[n=30,m=60,min=1,max=5,color=color-1,line=yes]\par
+    \par
+  }
+
+\stopcolumnset
+
+\stoptext
diff --git a/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-701.tex b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-701.tex
new file mode 100644
index 00000000000..b2c50cfafea
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-701.tex
@@ -0,0 +1,23 @@
+% content=tex
+%
+% copyright=pragma-ade readme=readme.pdf licence=cc-by-nc-sa
+
+\environment columnsets-000
+
+\definecolumnset[example][n=4,page=left]
+
+\setupcolumnset
+  [example]
+  [background=contrast]
+
+\definecolor[fakerulecolor][white]
+
+\starttext
+
+\startcolumnset[example]
+
+  \dorecurse{30}{\fakewords{50}{100}\par}
+
+\stopcolumnset
+
+\stoptext
diff --git a/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-702.tex b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-702.tex
new file mode 100644
index 00000000000..5b9a879c114
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-702.tex
@@ -0,0 +1,27 @@
+content=tex
+%
+% copyright=pragma-ade readme=readme.pdf licence=cc-by-nc-sa
+
+\environment columnsets-000
+
+\definecolumnset[example][n=4,page=left]
+
+\setupcolumnset
+  [example]
+  [background=contrast,
+   backgroundoffset=4pt,
+   frame=on,
+   framecolor=white,
+   rulethickness=2pt]
+
+\definecolor[fakerulecolor][white]
+
+\starttext
+
+\startcolumnset[example]
+
+  \dorecurse{30}{\fakewords{50}{100}\par}
+
+\stopcolumnset
+
+\stoptext
diff --git a/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-703.tex b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-703.tex
new file mode 100644
index 00000000000..549b49f611a
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-703.tex
@@ -0,0 +1,34 @@
+% content=tex
+%
+% copyright=pragma-ade readme=readme.pdf licence=cc-by-nc-sa
+
+\environment columnsets-000
+
+\definecolumnset[example][n=4,page=left]
+
+\definecolumnsetarea
+  [title][left]
+  [x=1,y=1,nx=8,ny=8,
+   background=contrast,state=repeat]
+
+\setupcolumnsetareatext
+  [title][left][\setups{cow}]
+
+\startsetups[cow]
+
+  \externalfigure
+    [cow.pdf]
+    [height=15\lineheight,
+     width=2\dimexpr\makeupwidth+\backspace\relax]
+
+\stopsetups
+
+\starttext
+
+\startcolumnset[example]
+
+  \dorecurse{30}{\fakewords{50}{100}\par}
+
+\stopcolumnset
+
+\stoptext
diff --git a/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-704.tex b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-704.tex
new file mode 100644
index 00000000000..7fa6cb313a9
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-704.tex
@@ -0,0 +1,69 @@
+% content=tex
+%
+% copyright=pragma-ade readme=readme.pdf licence=cc-by-nc-sa
+
+\environment columnsets-000
+
+\startuseMPgraphic{mpos:par:columns}
+  path p ; numeric h ;
+  for i=1 upto nofmultipars :
+    p := multipars[i] ;
+    h := bbheight(p) ;
+    if multikind[i] = "single" :
+      fill p topenlarged -.5h
+        withshademethod "linear"
+        withshadedirection shadedup
+        withcolor \MPcolor{color-1} shadedinto white ;
+      fill p bottomenlarged -.5h
+        withshademethod "linear"
+        withshadedirection shadedup
+        withcolor white shadedinto \MPcolor{color-1} ;
+    elseif multikind[i] = "first" :
+      fill p
+        withshademethod "linear"
+        withshadedirection shadedup
+        withcolor \MPcolor{color-2} shadedinto white ;
+    elseif multikind[i] = "middle" :
+      fill p topenlarged -.5h
+        withshademethod "linear"
+        withshadedirection shadedup
+        withcolor \MPcolor{color-2} shadedinto white ;
+      fill p bottomenlarged -.5h
+        withshademethod "linear"
+        withshadedirection shadedup
+        withcolor white shadedinto \MPcolor{color-3} ;
+    elseif multikind[i] = "last" :
+      fill p
+        withshademethod "linear"
+        withshadedirection shadedup
+        withcolor white shadedinto \MPcolor{color-3} ;
+    fi ;
+  endfor ;
+\stopuseMPgraphic
+
+\definecolumnset
+  [example]
+  [n=4,
+   page=left]
+
+\definetextbackground
+  [shade]
+  [location=paragraph,
+   mp=mpos:par:columns,
+   before=\blank,
+   after=\blank]
+
+\starttext
+
+\startcolumnset[example]
+
+  \dorecurse {40} {
+    \starttextbackground[shade]
+      \fakewords{10}{200}
+    \stoptextbackground
+    \par
+  }
+
+\stopcolumnset
+
+\stoptext
diff --git a/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-801.tex b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-801.tex
new file mode 100644
index 00000000000..1a84f99ab32
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-801.tex
@@ -0,0 +1,19 @@
+% content=tex
+%
+% copyright=pragma-ade readme=readme.pdf licence=cc-by-nc-sa
+
+\environment columnsets-000
+
+\definecolumnset [example-1] [n=2]
+\definecolumnset [example-2] [n=3]
+
+\starttext \showgrid
+
+  \startcolumnset [example-1]
+    \dorecurse {1}{\input tufte \par}
+  \stopcolumnset
+  \startcolumnset [example-2]
+    \dorecurse {2}{\input ward  \par}
+  \stopcolumnset
+
+\stoptext
diff --git a/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-802.tex b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-802.tex
new file mode 100644
index 00000000000..a126d001260
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-802.tex
@@ -0,0 +1,22 @@
+% content=tex
+%
+% copyright=pragma-ade readme=readme.pdf licence=cc-by-nc-sa
+
+\environment columnsets-000
+
+\definecolumnset [example-1] [n=2,balance=yes]
+\definecolumnset [example-2] [n=3,balance=yes]
+
+\starttext \showgrid
+
+  \setupcolumnsetlines[example-1][1][1] [8]
+  \setupcolumnsetlines[example-1][1][2][10]
+
+  \startcolumnset [example-1]
+    \dorecurse {1}{\input tufte \par}
+  \stopcolumnset
+  \startcolumnset [example-2]
+    \dorecurse {2}{\input ward  \par}
+  \stopcolumnset
+
+\stoptext
diff --git a/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-803.tex b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-803.tex
new file mode 100644
index 00000000000..58a278bb144
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-803.tex
@@ -0,0 +1,26 @@
+% content=tex
+%
+% copyright=pragma-ade readme=readme.pdf licence=cc-by-nc-sa
+
+\environment columnsets-000
+
+\definecolumnset [example-1] [n=2,balance=yes]
+\definecolumnset [example-2] [n=3,balance=yes]
+
+\starttext \showgrid
+
+  \setupcolumnsetlines[example-1][1][1] [8]
+  \setupcolumnsetlines[example-1][1][2][10]
+
+  \setupcolumnsetlines[example-2][1][1][19]
+  \setupcolumnsetlines[example-2][1][2][18]
+  \setupcolumnsetlines[example-2][1][3][19]
+
+  \startcolumnset [example-1]
+    \dorecurse {1}{\input tufte \par}
+  \stopcolumnset
+  \startcolumnset [example-2]
+    \dorecurse {2}{\input ward  \par}
+  \stopcolumnset
+
+\stoptext
diff --git a/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-804.tex b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-804.tex
new file mode 100644
index 00000000000..c2b7a6b1e8d
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-804.tex
@@ -0,0 +1,26 @@
+% content=tex
+%
+% copyright=pragma-ade readme=readme.pdf licence=cc-by-nc-sa
+
+\environment columnsets-000
+
+\definecolumnset [example-1] [n=2,balance=yes]
+\definecolumnset [example-2] [n=3,balance=yes]
+
+\starttext \showgrid
+
+  \setupcolumnsetlines[example-1][1][1] [8]
+  \setupcolumnsetlines[example-1][1][2][10]
+
+  \setupcolumnsetlines[example-2][1][1] [0]
+  \setupcolumnsetlines[example-2][1][2][-2]
+  \setupcolumnsetlines[example-2][1][3] [0]
+
+  \startcolumnset [example-1]
+    \dorecurse {1}{\input tufte \par}
+  \stopcolumnset
+  \startcolumnset [example-2]
+    \dorecurse {6}{\input ward  \par}
+  \stopcolumnset
+
+\stoptext
diff --git a/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-805.tex b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-805.tex
new file mode 100644
index 00000000000..fc80e7e9c86
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-805.tex
@@ -0,0 +1,26 @@
+% content=tex
+%
+% copyright=pragma-ade readme=readme.pdf licence=cc-by-nc-sa
+
+\environment columnsets-000
+
+\definecolumnset [example-1] [n=2,balance=yes]
+\definecolumnset [example-2] [n=3,balance=yes]
+
+\starttext \showgrid
+
+  \setupcolumnsetlines[example-1][1][1] [8]
+  \setupcolumnsetlines[example-1][1][2][10]
+
+  \setupcolumnsetstart[example-2][1][1][19]
+  \setupcolumnsetstart[example-2][1][2][17]
+  \setupcolumnsetstart[example-2][1][3][19]
+
+  \startcolumnset [example-1]
+    \dorecurse {1}{\input tufte \par}
+  \stopcolumnset
+  \startcolumnset [example-2]
+    \dorecurse {2}{\input ward  \par}
+  \stopcolumnset
+
+\stoptext
diff --git a/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-806.tex b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-806.tex
new file mode 100644
index 00000000000..0322a336f68
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-806.tex
@@ -0,0 +1,26 @@
+% content=tex
+%
+% copyright=pragma-ade readme=readme.pdf licence=cc-by-nc-sa
+
+\environment columnsets-000
+
+\definecolumnset [example-1] [n=2,balance=yes]
+\definecolumnset [example-2] [n=3,balance=yes]
+
+\starttext \showgrid
+
+  \setupcolumnsetlines[example-1][1][1] [8]
+  \setupcolumnsetlines[example-1][1][2][10]
+
+  \setupcolumnsetstart[example-2][1][1][29]
+  \setupcolumnsetstart[example-2][1][2][29]
+  \setupcolumnsetstart[example-2][1][3][29]
+
+  \startcolumnset [example-1]
+    \dorecurse {1}{\input tufte \par}
+  \stopcolumnset
+  \startcolumnset [example-2]
+    \dorecurse {2}{\input ward  \par}
+  \stopcolumnset
+
+\stoptext
diff --git a/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-901.tex b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-901.tex
new file mode 100644
index 00000000000..300458bf5ba
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-901.tex
@@ -0,0 +1,38 @@
+% content=tex
+%
+% copyright=pragma-ade readme=readme.pdf licence=cc-by-nc-sa
+
+\environment columnsets-000
+
+\definecolumnset[example][n=2,page=left,distance=1cm]
+
+\setupcolumnset
+  [example]
+  [background=contrast]
+
+\definecolor[fakerulecolor][white] \faketriggertrue
+
+\setuphead
+  [section]
+  [style=\bfd]
+
+\setuplinenumbering
+  [style=bold,
+   distance=0pt,
+   align=inner]
+
+\starttext
+
+\startcolumnset[example]
+
+  \dorecurse{30}{
+    \startsection[title=foo #1]
+      \startlinenumbering
+        \fakewords{50}{100}\par
+      \stoplinenumbering
+    \stopsection
+  }
+
+\stopcolumnset
+
+\stoptext
diff --git a/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-902.tex b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-902.tex
new file mode 100644
index 00000000000..fda2969af62
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-902.tex
@@ -0,0 +1,38 @@
+% content=tex
+%
+% copyright=pragma-ade readme=readme.pdf licence=cc-by-nc-sa
+
+\environment columnsets-000
+
+\definecolumnset[example][n=3,page=left,distance=1cm]
+
+\setupcolumnset
+  [example]
+  [background=contrast]
+
+\definecolor[fakerulecolor][white] \faketriggertrue
+
+\setuphead
+  [section]
+  [style=\bfd]
+
+\setuplinenumbering
+  [style=bold,
+   distance=0pt,
+   align=inner]
+
+\starttext
+
+\startcolumnset[example]
+
+  \dorecurse{30}{
+    \startsection[title=foo #1]
+      \startlinenumbering
+        \fakewords{50}{100}\par
+      \stoplinenumbering
+    \stopsection
+  }
+
+\stopcolumnset
+
+\stoptext
diff --git a/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-903.tex b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-903.tex
new file mode 100644
index 00000000000..68cd31ae205
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets-903.tex
@@ -0,0 +1,41 @@
+% content=tex
+%
+% copyright=pragma-ade readme=readme.pdf licence=cc-by-nc-sa
+
+\environment columnsets-000
+
+\definecolumnset[example][n=3,page=left,distance=1cm]
+
+\setupcolumnset
+  [example]
+  [background=contrast]
+
+\definecolor[fakerulecolor][white] \faketriggertrue
+
+\setupblank
+  [line]
+
+\setuphead
+  [section]
+  [style=\bfd]
+
+\setuplinenumbering
+  [style=bold,
+   distance=0pt,
+   align=inner]
+
+\starttext
+
+\startcolumnset[example]
+
+  \dorecurse{30}{
+    \startsection[title=foo #1]
+      \startlinenumbering
+        \fakewords{50}{100}\par
+      \stoplinenumbering
+    \stopsection
+  }
+
+\stopcolumnset
+
+\stoptext
diff --git a/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets.tex b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets.tex
new file mode 100644
index 00000000000..7d68872efd8
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/columnsets/columnsets/columnsets.tex
@@ -0,0 +1,873 @@
+% engine=luatex
+%
+% copyright=pragma-ade readme=readme.pdf licence=cc-by-nc-sa
+
+\dontcomplain
+
+\definepagebreak[mine][yes]
+
+% A complete otf optima pack is too expensive for this (I only have the
+% type one set).
+%
+% \usetypescriptfile
+%   [type-ghz]
+%
+% \usetypescript
+%   [sans]
+%   [optima-nova]
+%
+% \setupbodyfont
+%   [optima-nova,11pt]
+%
+% \definefont[QuiteLarge][SansBold sa 3]
+% \definefont[NotSoLarge][SansBold sa 1.5]
+%
+% So we could use:
+%
+% \setupbodyfont
+%   [pagella,11pt]
+%
+% \definefont[QuiteLarge][Bold sa 2.50]
+% \definefont[NotSoLarge][Bold sa 1.25]
+%
+% But this one has a matching sans:
+
+\setupbodyfont
+  [dejavu,11pt]
+
+\definefont[QuiteLarge][SansBold sa 2.50]
+\definefont[NotSoLarge][SansBold sa 1.25]
+
+\setuplayout
+  [backspace=.1\paperwidth,
+   topspace=.025\paperheight,
+   header=0.025\paperheight,
+   footer=0.025\paperheight,
+   headerdistance=0.025\paperheight,
+   footerdistance=0.025\paperheight,
+   width=middle,
+   height=middle]
+
+\setuppagenumbering
+  [alternative=doublesided,
+   location=]
+
+\setupwhitespace
+  [line]
+
+\setupblank
+  [line]
+
+\setuptyping
+  [blank=halfline]
+
+\startsetups [pagenumber]
+    \hbox to .2\paperwidth {
+        \hss
+        Page \pagenumber
+        \hss
+    }
+\stopsetups
+
+\setupfooter [before=\vfill,after=\vfill,style=\bf,color=color-4]
+\setupheader [before=\vfill,after=\vfill,style=\bf,color=color-4]
+
+\setupfootertexts [] [\setups{pagenumber}]
+\setupheadertexts [] [\setups{chapterhead}]
+
+\startsetups [chapterhead]
+    \hbox to .2\paperwidth {
+        \hss
+        \getmarking[chapter]
+        \hss
+    }
+\stopsetups
+
+\setuphead
+  [chapter]
+  [header=empty]
+
+\definecolor[color-1][.5(red,green)]
+\definecolor[color-2][.5(green,blue)]
+\definecolor[color-3][.5(blue,red)]
+\definecolor[color-4][.5(white,black)]
+\definecolor[color-5][.5(white,color-4)]
+\definecolor[color-6][.2(white,color-4)]
+
+\startuseMPgraphic{page}
+StartPage ;
+    path p ;
+    numeric n; n := PageNumber ;
+    numeric w; w := bbwidth(Page) ;
+    numeric h; h := bbheight(Page) ;
+    def DrawBit (expr bit, dx, dy) =
+        path p ; p := unitsquare xyscaled(w/5,h/40) shifted (dx*w/10,dy*(h-h/40)) ;
+        if n div bit > 0 :
+            n := n - (n div bit)*bit ;
+            fill p withcolor \MPcolor{color-1} ;
+        else :
+            fill p withcolor \MPcolor{color-2} ;
+        fi ;
+    enddef ;
+    DrawBit(32,7,1) ;
+    DrawBit(16,4,1) ;
+    DrawBit( 8,1,1) ;
+    DrawBit( 4,7,0) ;
+    DrawBit( 2,4,0) ;
+    DrawBit( 1,1,0) ;
+StopPage ;
+\stopuseMPgraphic
+
+\startuniqueMPgraphic{frame}
+    fill OverlayBox withcolor \MPcolor{color-5} ;
+\stopuniqueMPgraphic
+
+\startuniqueMPgraphic{contrast}
+    fill OverlayBox withcolor \MPcolor{color-4} ;
+\stopuniqueMPgraphic
+
+\defineoverlay[page]    [\useMPgraphic{page}]
+\defineoverlay[frame]   [\useMPgraphic{frame}]
+\defineoverlay[contrast][\useMPgraphic{contrast}]
+
+\setupexternalfigures
+  [background=frame]
+
+\definecombination
+  [sixpages]
+  [%inbetween=\blank,
+   style=mono,
+   distance=.5\bodyfontsize,
+   width=\textwidth]
+
+\definecombination
+  [fourpages]
+  [%inbetween=\blank,
+   style=mono,
+   distance=.5\bodyfontsize,
+   width=\textwidth]
+
+\definecombination
+  [twopages]
+  [style=mono]
+
+\definemeasure[twopages]  [\dimexpr\dimexpr\textwidth-3  \bodyfontsize\relax/4\relax]
+\definemeasure[fourpages] [\dimexpr\dimexpr\textwidth-3  \bodyfontsize\relax/4\relax]
+\definemeasure[eightpages][\dimexpr\dimexpr\textwidth-3  \bodyfontsize\relax/4\relax]
+\definemeasure[sixpages]  [\dimexpr\dimexpr\textwidth-2.5\bodyfontsize\relax/6\relax]
+
+\starttexdefinition unexpanded OnePage #1
+    \startlinecorrection[blank]
+        \startcombination[twopages][1*1]
+            {\typesetfile[#1.tex][page=1,lines=15]} {1}
+        \stopcombination
+    \stoplinecorrection
+\stoptexdefinition
+
+\starttexdefinition unexpanded OneSpread #1
+    \startlinecorrection[blank]
+        \startcombination[twopages][1*1]
+            {\typesetfile[#1.tex][page=2,lines=15]} {2}
+        \stopcombination
+    \stoplinecorrection
+\stoptexdefinition
+
+\starttexdefinition unexpanded TwoPages #1
+    \startlinecorrection[blank]
+        \startcombination[twopages][2*1]
+            {\typesetfile[#1.tex][page=1,width=\measure{twopages}]} {1}
+            {\typesetfile[#1.tex][page=2,width=\measure{twopages}]} {2}
+        \stopcombination
+    \stoplinecorrection
+\stoptexdefinition
+
+\starttexdefinition unexpanded TwoSpread #1
+    \startlinecorrection[blank]
+        \startcombination[twopages][2*1]
+            {\typesetfile[#1.tex][page=2,width=\measure{twopages}]} {2}
+            {\typesetfile[#1.tex][page=3,width=\measure{twopages}]} {3}
+        \stopcombination
+    \stoplinecorrection
+\stoptexdefinition
+
+\starttexdefinition unexpanded FourPages #1
+    \startlinecorrection[blank]
+        \startcombination[fourpages][4*1]
+            {\typesetfile[#1.tex][page=1,width=\measure{fourpages}]} {1}
+            {\typesetfile[#1.tex][page=2,width=\measure{fourpages}]} {2}
+            {\typesetfile[#1.tex][page=3,width=\measure{fourpages}]} {3}
+            {\typesetfile[#1.tex][page=4,width=\measure{fourpages}]} {4}
+        \stopcombination
+    \stoplinecorrection
+\stoptexdefinition
+
+\starttexdefinition unexpanded FourSpread #1
+    \startlinecorrection[blank]
+        \startcombination[fourpages][4*1]
+            {\typesetfile[#1.tex][page=2,width=\measure{fourpages}]} {2}
+            {\typesetfile[#1.tex][page=3,width=\measure{fourpages}]} {3}
+            {\typesetfile[#1.tex][page=4,width=\measure{fourpages}]} {4}
+            {\typesetfile[#1.tex][page=5,width=\measure{fourpages}]} {5}
+        \stopcombination
+    \stoplinecorrection
+\stoptexdefinition
+
+\starttexdefinition unexpanded SixPages #1
+    \startlinecorrection[blank]
+        \startcombination[sixpages][6*1]
+            {\typesetfile[#1.tex][page=1,width=\measure{sixpages}]} {1}
+            {\typesetfile[#1.tex][page=2,width=\measure{sixpages}]} {2}
+            {\typesetfile[#1.tex][page=3,width=\measure{sixpages}]} {3}
+            {\typesetfile[#1.tex][page=4,width=\measure{sixpages}]} {4}
+            {\typesetfile[#1.tex][page=5,width=\measure{sixpages}]} {5}
+            {\typesetfile[#1.tex][page=6,width=\measure{sixpages}]} {6}
+        \stopcombination
+    \stoplinecorrection
+\stoptexdefinition
+
+\starttexdefinition unexpanded SixSpread #1
+    \startlinecorrection[blank]
+        \startcombination[sixpages][6*1]
+            {\typesetfile[#1.tex][page=2,width=\measure{sixpages}]} {2}
+            {\typesetfile[#1.tex][page=3,width=\measure{sixpages}]} {3}
+            {\typesetfile[#1.tex][page=4,width=\measure{sixpages}]} {4}
+            {\typesetfile[#1.tex][page=5,width=\measure{sixpages}]} {5}
+            {\typesetfile[#1.tex][page=6,width=\measure{sixpages}]} {6}
+            {\typesetfile[#1.tex][page=7,width=\measure{sixpages}]} {7}
+        \stopcombination
+    \stoplinecorrection
+\stoptexdefinition
+
+\starttexdefinition unexpanded EightPages #1
+    \startlinecorrection[blank]
+        \startcombination[fourpages][4*2]
+            {\typesetfile[#1.tex][page=1,width=\measure{eightpages}]} {#1 / 1}
+            {\typesetfile[#1.tex][page=2,width=\measure{eightpages}]} {#1 / 2}
+            {\typesetfile[#1.tex][page=3,width=\measure{eightpages}]} {#1 / 3}
+            {\typesetfile[#1.tex][page=4,width=\measure{eightpages}]} {#1 / 4}
+            {\typesetfile[#1.tex][page=5,width=\measure{eightpages}]} {#1 / 5}
+            {\typesetfile[#1.tex][page=6,width=\measure{eightpages}]} {#1 / 6}
+            {\typesetfile[#1.tex][page=7,width=\measure{eightpages}]} {#1 / 7}
+            {\typesetfile[#1.tex][page=8,width=\measure{eightpages}]} {#1 / 8}
+        \stopcombination
+    \stoplinecorrection
+\stoptexdefinition
+
+\starttexdefinition unexpanded EightSpread #1
+    \startlinecorrection[blank]
+        \startcombination[fourpages][4*2]
+            {\typesetfile[#1.tex][page=2,width=\measure{eightpages}]} {#1 / 2}
+            {\typesetfile[#1.tex][page=3,width=\measure{eightpages}]} {#1 / 3}
+            {\typesetfile[#1.tex][page=4,width=\measure{eightpages}]} {#1 / 4}
+            {\typesetfile[#1.tex][page=5,width=\measure{eightpages}]} {#1 / 5}
+            {\typesetfile[#1.tex][page=6,width=\measure{eightpages}]} {#1 / 6}
+            {\typesetfile[#1.tex][page=7,width=\measure{eightpages}]} {#1 / 7}
+            {\typesetfile[#1.tex][page=8,width=\measure{eightpages}]} {#1 / 8}
+            {\typesetfile[#1.tex][page=9,width=\measure{eightpages}]} {#1 / 9}
+        \stopcombination
+    \stoplinecorrection
+\stoptexdefinition
+
+\setuphead
+  [chapter]
+  [style=\QuiteLarge,
+   color=color-3,
+   number=no]
+
+\setuplist
+  [chapter]
+  [command=\MyListCommand,
+   alternative=command]
+
+\starttexdefinition unexpanded MyListCommand #1#2#3
+    \snaptogrid
+        [line,-line]\vbox {
+            \tfb
+            \setstrut
+            \strut#2
+            \quad#3
+        }
+\stoptexdefinition
+
+\setupmargindata
+  [style=\tttf,
+   color=color-3]
+
+\starttexdefinition unexpanded ShowFile #1
+    \margintext
+        {\cldcontext{string.match("#1","\letterpercent d+")}}
+    \typefile
+        [range={environment}]
+        {#1}
+\stoptexdefinition
+
+% \typefile[range=4]  {...}
+% \typefile[range={=}]{...} % start after comment lines
+
+\starttexdefinition unexpanded ShowEnvironmentFile #1
+    \margintext
+        {\cldcontext{string.match("#1","\letterpercent d+")}}
+    \typefile
+        [range={=startenvironment}]
+        {#1}
+\stoptexdefinition
+
+\startdocument
+
+\startMPpage
+StartPage ;
+    path p ; numeric w, h, d ; picture q ;
+    if true :
+        q := image(draw textext.urt("\ssbf COLUMNS") withcolor \MPcolor{color-6}) ;
+    else :
+        q := image(draw textext.urt("\ssbf COLUMNSETS") withcolor \MPcolor{color-6}) ;
+    fi ;
+    w := bbwidth(Page) ;
+    h := bbheight(Page) ;
+    d := h/100 ;
+    fill Page withcolor \MPcolor{color-1} ;
+    p := Page xysized (w,d) ;
+    for i := 5d step 2d until h-5d :
+        fill p shifted (0,i) withcolor \MPcolor{color-2} ;
+    endfor
+    p := Page xysized(w/10,h) ;
+    for i = 0, .3, .6, .9 :
+        fill p shifted (i*w,0) withcolor \MPcolor{color-1} withtransparency(1,.75) ;
+    endfor ;
+    def do_it(expr sz, sh) =
+        p := Page xysized sz ;
+        fill p shifted sh withcolor \MPcolor{color-3} withtransparency(1,.5) ;
+        draw q xysized (bbwidth(p),bbheight(p)) shifted sh ;
+    enddef ;
+    if true :
+        do_it ((2w/10,17d),(.1w,20d)) ;
+        do_it ((2w/10,15d),(.1w,56d)) ;
+        do_it ((2w/10,21d),(.4w,66d)) ;
+        do_it ((2w/10,13d),(.7w,38d)) ;
+        do_it ((5w/10,13d),(.4w,13d)) ;
+        draw textext.urt("\ssbf Hans Hagen")
+            xysized (5w/10,5d)
+            shifted (.4w,6d)
+            withcolor \MPcolor{color-5} ;
+    else :
+        do_it ((2w/10,17d),(.1w,15d)) ;
+        do_it ((2w/10,15d),(.1w,51d)) ;
+        do_it ((2w/10,21d),(.4w,61d)) ;
+        do_it ((2w/10,13d),(.7w,31d)) ;
+        do_it ((5w/10,13d),(.4w, 7d)) ;
+    fi ;
+StopPage ;
+\stopMPpage
+
+\page[empty] \setuppagenumber[number=1]
+
+\setupbackgrounds
+  [page]
+  [background=page]
+
+\starttitle[title=Contents]
+
+    \placelist[chapter]
+
+\stoptitle
+
+\startchapter[title=Introduction]
+
+This manual introduces {\em column sets}, one of the output routines of \CONTEXT.
+Although column sets are mainly meant for typesetting journals in a
+semi||automated way, you can also use them for books. We assume that the user is
+familiar with \CONTEXT\ and only discuss the commands that are related to column
+sets.
+
+This mechanism performs okay but it needs to be used with care: an occasional
+manual intervention is needed to get optimal results. After all, we're operating
+in the area where normally click and point desktop publishing is used.
+
+{\bf For the moment you need to load the new code with: \type{\usemodule[newcolumnsets]}}
+
+\startlines
+Hans Hagen
+PRAGMA ADE
+Hasselt, 2003\endash2016
+\stoplines
+
+\stopchapter
+
+\startchapter[title=Basics]
+
+As soon as enough content is collected to build a page, \TEX\ will invoke the
+output routine. This is not a fixed piece of code, but a collection of macro
+calls. The default output routine is a meant for typesetting a single column, as
+in this document. A multi||column output routine is available as well. This
+routine mixes well with the single column one, and is activated by:
+
+\starttyping
+\startcolumns
+some text ...
+\stopcolumns
+\stoptyping
+
+In \MKIV\ a new mixed column mechanism has been introduced that will be
+developped further and eventually replace the old multi column handler. In \MKII\
+there is also a columnset mechanism that can be used to construct complex multi
+column pages. In \MKIV\ this gets replaced by grid columns. All these multi
+column mechanisms have in common that the output routine is more complex because
+now a page is in fact a collection of pages wrapped onto one. Each column is
+(from \TEX's perspective) similar to a one narrow column page. Here we focus on
+columnsets (page grids).
+
+There are some limitations to what you can do with this kind of multi columns,
+which is why we have a third routine at out disposal: {\em column sets}. This
+routine can be used for rather complex layouts with graphics all over the place,
+and text spanning columns or even spreads. There are of course some shortcomings,
+which we will discuss later.
+
+In the examples that follow we use the following style to set up the layout. The
+number in the margin serves a reference to the file where this snippet of \TEX\
+is stored.
+
+\ShowEnvironmentFile{columnsets-000}
+
+\page[mine]
+
+Before we will demonstrate more complex layouts, we will introduce a few
+features. In the next series of examples we use fake text. You can enlarge the
+pages in your viewer if you want to see more detail.
+
+\FourSpread{columnsets-001}
+
+These pages were typeset with the following code:
+
+\ShowFile{columnsets-001}
+
+We will showmost examples on a spread, so we don't show a first page. On a
+spread like above we number columns from~1 to~4, which in practice means that in
+this case columns starting on right page start with column~3!
+
+\SixPages{columnsets-001}
+
+\page[mine]
+
+The number of columns is not fixed to two. You can even have a different number
+of columns on left and right pages.
+
+\FourSpread{columnsets-002}
+
+This time the input is:
+
+\ShowFile{columnsets-002}
+
+Again, we started on a right page but showed the spreads. You can see it from the
+positioning of the header texts.
+
+\SixPages{columnsets-002}
+
+\page[mine]
+
+In order to get the balancing you want, you can manually influence the height of
+a column.
+
+\FourSpread{columnsets-003}
+
+When you set the number of column lines to a positive value, that will be the
+number of lines. A negative value will be subtracted from the maximum number of
+lines.
+
+\ShowFile{columnsets-003}
+
+\page[mine]
+
+In articles you may want to let the introduction span multiple columns. A column
+span is defined independent of a column set and shows up as follows:
+
+\FourSpread{columnsets-004}
+
+Here we've given the span a background so that it stands out.
+
+\ShowFile{columnsets-004}
+
+\page[mine]
+
+A column span can be positioned like any graphic. Later we will discuss the
+placement options in more detail, for the moment all you need to know is that
+\type {btlr} tells \CONTEXT\ to place the graphic in the left bottom of the the
+text area.
+
+\FourSpread{columnsets-005}
+
+Here we pass the \type {default} placement as parameter to the span, but you can
+also set it at definition time. We use a brute force simple column splitter to
+fake columns inside the span.
+
+\ShowFile{columnsets-005}
+
+\page[mine]
+
+You are not limited to one column span. In this sense a span is like a graphic:
+as long as there is room, it will be placed where you want it to be placed. The
+main difference between a span and a graphic is that a span expects text and
+tries to align the baselines with the rest of the text. In many ways a column
+span behaves like a framed text.
+
+\FourSpread{columnsets-006}
+
+This time we flushed one of the spans from bottom to top, starting at the right
+edge: \type {btrl}.
+
+\ShowFile{columnsets-006}
+
+\page[mine]
+
+Column spans are treated like graphics, which means that they will float if
+needed. In the process, the width is limited to the available space, which in
+some cases may lead to a smaller span than you may expect. Think of a column
+span, calculated (and prepared) in the last column and ending up on the next page
+in the first column, where a broader span would have been possible.
+
+\FourSpread{columnsets-007}
+
+\ShowFile{columnsets-007}
+
+\stopchapter
+
+\startchapter[title=Graphics]
+
+Most documents have graphics, and therefore column sets can contain them. The
+main thing that you have to keep in mind when placing graphics, is that column
+sets are based on grids. Therefore spacing around graphics is also grid based.
+
+\FourSpread{columnsets-101}
+
+\ShowFile{columnsets-101}
+
+\page[mine]
+
+You can tell \CONTEXT\ where it should place the graphic, but this will only be
+honored when there is still place.
+
+\EightSpread{columnsets-102}
+
+The prefered location is passed as a four character directive:
+
+\ShowFile{columnsets-102}
+
+\page[mine]
+
+The following directives are available:
+
+\starttabulate[|lT|p|]
+\NC btlr     \NC flush from bottom to top    and left to right  \NC \NR
+\NC btrl     \NC flush from bottom to top    and right to left  \NC \NR
+\NC tblr     \NC flush from top    to bottom and left to right  \NC \NR
+\NC tbrl     \NC flush from top    to bottom and right to left  \NC \NR
+\NC lrbt     \NC flush from left   to right  and bottom to top  \NC \NR
+\NC lrtb     \NC flush from left   to right  and top to bottom  \NC \NR
+\NC rlbt     \NC flush from right  to left   and bottom to top  \NC \NR
+\NC rltb     \NC flush from right  to left   and top to bottom  \NC \NR
+\NC here     \NC try to place the graphic here                  \NC \NR
+\NC fixd     \NC force the graphic here and don't float         \NC \NR
+\NC fxtb:c*r \NC place the graphic at (c,r) or lower if needed  \NC \NR
+\NC fxbt:c*r \NC place the graphic at (c,r) or higher if needed \NC \NR
+\NC tops     \NC place the graphic at the top of the page       \NC \NR
+\NC bots     \NC place the graphic at the bottom of the page    \NC \NR
+\NC page     \NC place the graphic at a separate page           \NC \NR
+\stoptabulate
+
+In the next example we show the directional locations:
+
+\OneSpread{columnsets-103}
+
+\ShowFile{columnsets-103}
+
+\stopchapter
+
+\startchapter[title=Areas]
+
+So far we have seen texts and graphics that span multiple columns using span
+commands and floats placement commands. We have also seen that you can define a
+different number of columns for left and right pages. Now that we have arrives at
+column areas you will see how we can span information over not only a page but
+also over pages in a spread.
+
+\FourSpread{columnsets-201}
+
+Being a framed text, by default an area is aligned at the baseline. You can lower
+an area by setting the \type {location} to \type {depth}.
+
+\ShowFile{columnsets-201}
+
+\page[mine]
+
+You can position areas on the left, right or next page or on both pages. When you
+set \type {state} to \type {repeat}, an area is repeated, otherwise it is only
+placed once.
+
+\FourSpread{columnsets-202}
+
+Here we just repeat the areas. Normally this only make sense when the content is
+worth repeating.
+
+\ShowFile{columnsets-202}
+
+\page[mine]
+
+Areas can span a spread, as is demonstrated in the next example.
+
+\FourSpread{columnsets-203}
+
+\ShowFile{columnsets-203}
+
+\page[mine]
+
+An application of a spread area is a title. In the next example we show two
+spread pages.
+
+\FourSpread{columnsets-204}
+
+Watch how we explicitly go to a left page.
+
+\ShowFile{columnsets-204}
+
+\page[mine]
+
+The \type {\GapText} macro is an experimental fun macro and is used to make sure
+that we don't end up with a clipped character.
+
+\startlinecorrection[blank]
+\startcombination
+  {\scale[width=.4\textwidth]{\clip
+     [nx=2,ny=6,x=2,y=2]
+     {\typesetfile[columnsets-204.tex][page=2]}}}
+  {left page}
+  {\scale[width=.4\textwidth]{\clip
+     [nx=2,ny=6,x=1,y=2]
+     {\typesetfile[columnsets-204.tex][page=3]}}}
+  {right page}
+\stopcombination
+\stoplinecorrection
+
+This is a typical example of the kind of optimizations that are needed when you
+make documents of styles with text that spans a spread. In the next clip we
+visualize the gap.
+
+\startlinecorrection[blank]
+\startcombination
+  {\scale[width=.4\textwidth]{\clip
+     [nx=2,ny=6,x=2,y=2]
+     {\typesetfile[columnsets-205.tex][page=2]}}}
+  {left page}
+  {\scale[width=.4\textwidth]{\clip
+     [nx=2,ny=6,x=1,y=2]
+     {\typesetfile[columnsets-205.tex][page=3]}}}
+  {right page}
+\stopcombination
+\stoplinecorrection
+
+At some moment you may want to set up an area in advance as we have done in the
+following example.
+
+\FourSpread{columnsets-206}
+
+The \type {page} key is used to specify the page in the column set that the area
+should go into. Column set pages start numbering at~1. The \type {fixed} stands
+for left or right, whatever comes first.
+
+\ShowFile{columnsets-206}
+
+\stopchapter
+
+\startchapter[title=Columns]
+
+You can use \type {\page} to go to a new page in a column set. Likewise you can
+use \type {\column} to force a column break.
+
+\FourPages{columnsets-301}
+
+This example demonstrates that you can supply \type {\column} with explicit
+directives.
+
+\ShowFile{columnsets-301}
+
+You can use \type {\column[page]} as an alternative for \type {\page}.
+
+\stopchapter
+
+\startchapter[title=Details]
+
+This chapter will cover a couple of cosmetic details of column sets. {\em Some
+features need to be improved, especially in combination with areas, graphics and
+alike. We will also provide side floats etc.}
+
+\FourSpread{columnsets-401}
+
+You can set the distance between columns for each pair of columns. {\em Todo:
+left and right page distances and margins.}
+
+\ShowFile{columnsets-401}
+
+\page[mine]
+
+When you can the distance of the first column as well. This creates a margin.
+
+\FourSpread{columnsets-402}
+
+This time we used equal distances:
+
+\ShowFile{columnsets-402}
+
+\page[mine]
+
+The width of columns is normally calculated automatically, but you can also set
+the width explicitly:
+
+\FourSpread{columnsets-403}
+
+In code:
+
+\ShowFile{columnsets-403}
+
+\page[mine]
+
+For special effects, you can set the width per column. In that case you need to
+be aware of the fact that \TEX\ works its way through the document per paragraph.
+Changing the width halfway a paragraph is possible but will affect the whole
+paragraph. Therefore, this feature works best when you also goto the next column
+explicitly.
+
+\FourSpread{columnsets-404}
+
+In code:
+
+\ShowFile{columnsets-404}
+
+\page[mine]
+
+If you really want to change the width in the middle of a paragraph, you can do a
+trial run and include a breakpoint at the palce where you want it to occur:
+
+\FourSpread{columnsets-405}
+
+In the second spread you see how the narrow hsize carries on in the wider
+column. A \type {\column} command will synchronize the hsize.
+
+\ShowFile{columnsets-405}
+
+% \page[mine]
+
+\stopchapter
+
+\startchapter[title=Directions]
+
+\FourSpread{columnsets-601}
+
+The direction of flushing columns is determined by the \type {direction}
+parameters as demonstrated below.
+
+\ShowFile{columnsets-601}
+
+% \page[mine]
+
+\stopchapter
+
+\startchapter[title=Backgrounds]
+
+As with many \CONTEXT\ components, column sets can have backgrounds.
+
+\FourSpread{columnsets-701}
+
+Watch how we use the \type {each} keyword to tell \CONTEXT\ that we want to apply
+the background to each column of the set.
+
+\ShowFile{columnsets-701}
+
+\page[mine]
+
+Normally, if you apply backgrounds this way, you will also set the background
+offset. In a similar fashion you can apply backgrounds to areas and spans. Such
+backgrounds can be a color, or any overlay or layer you want.
+
+\FourSpread{columnsets-702}
+
+Here we've set the background offset as well as the frame.
+
+\ShowFile{columnsets-702}
+
+\page[mine]
+
+When dealing with areas, you need to be aware of the fact that they are clipped,
+the content as well as the background.
+
+\FourSpread{columnsets-703}
+
+De default clip offset is two times the lineheight, except in the binding, where
+it is set to zero points. You can set the clip offset with the \type {clipoffset}
+parameter.
+
+\ShowFile{columnsets-703}
+
+\page[mine]
+
+The text background mechanism is rather well adapted to column sets. The
+following example is a variant on an example shown in the manual titled
+{details}.
+
+\EightSpread{columnsets-704}
+
+Watch how we adapt the background to the fact and extent that the text spans one
+or more columns.
+
+\ShowFile{columnsets-704}
+
+Backgrounds that follow the paragraph shape also work ok in column sets.
+
+{\em todo: an example of a bleeding graphic with column feed back (from
+techniek)}
+
+% \page[mine]
+
+\stopchapter
+
+\startchapter[title=Numbering lines]
+
+\FourSpread{columnsets-901}
+
+This example shows how numbering lines in columns works out. In a two column
+layout the numbers end up in the outer margins by default. If you want you can
+set the \type {location} to for instance \type {left} or \type {right}.
+
+\ShowFile{columnsets-901}
+
+\page[mine]
+
+\FourSpread{columnsets-902}
+
+In a three column setup the numbers end up in the left margins.Make sure you make
+the distance large enough.
+
+\ShowFile{columnsets-902}
+
+% \page[mine]
+%
+% \FourSpread{columnsets-903}
+%
+% This example shows again lune numbers but here we made sure that there is no
+% stretch in the whitespace.
+%
+% \ShowFile{columnsets-903}
+
+\stopchapter
+
+% \startchapter[title=Spanning and More]
+%
+% {\em todo: explanation} \page
+%
+% \TwoPages{columnsets-801} \ShowFile{columnsets-801} \page[mine]
+% \TwoPages{columnsets-802} \ShowFile{columnsets-802} \page[mine]
+% \TwoPages{columnsets-803} \ShowFile{columnsets-803} \page[mine]
+% \TwoPages{columnsets-804} \ShowFile{columnsets-804} \page[mine]
+% \TwoPages{columnsets-805} \ShowFile{columnsets-805} \page[mine]
+% \TwoPages{columnsets-806} \ShowFile{columnsets-806} \page[mine]
+%
+% \stopchapter
+
+\stopdocument
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/languages/languages-appendix.tex b/Master/texmf-dist/doc/context/sources/general/manuals/languages/languages-appendix.tex
new file mode 100644
index 00000000000..d8f33e44ac3
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/languages/languages-appendix.tex
@@ -0,0 +1,48 @@
+% language=uk
+
+\startcomponent languages-appendix
+
+\environment languages-environment
+
+\startchapter[title=Appendix][color=darkgray]
+
+\startsection[title=The language files]
+
+    Todo.
+
+\stopsection
+
+\startsection[title=The \type {mtx-patterns} script]
+
+    Todo.
+
+\stopsection
+
+\startsection[title=Installed sorters]
+
+\startbuffer
+\usemodule[s-languages-sorting]
+
+\showinstalledsorting
+\stopbuffer
+
+\typebuffer \blank[2*line] \getbuffer
+
+\stopsection
+
+\startsection[title=Verbose counters]
+
+\startbuffer
+\usemodule[s-languages-counters]
+
+\showverbosecounters[language={en,es}]
+\stopbuffer
+
+\typebuffer \blank[2*line] \getbuffer
+
+\stopsection
+
+\stopchapter
+
+\stopcomponent
+
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/languages/languages-back.tex b/Master/texmf-dist/doc/context/sources/general/manuals/languages/languages-back.tex
new file mode 100644
index 00000000000..aadcc3aa404
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/languages/languages-back.tex
@@ -0,0 +1,14 @@
+% \doifmodeelse {simple} {
+%
+%     \page
+%     \page[empty,left]
+%
+%     \startMPpage
+%         DrawCoverPage("back") ;
+%     \stopMPpage
+%
+% } {
+%
+%    % not needed as it's part of the cover page
+%
+% }
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/languages/languages-basics.tex b/Master/texmf-dist/doc/context/sources/general/manuals/languages/languages-basics.tex
new file mode 100644
index 00000000000..39ce840f324
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/languages/languages-basics.tex
@@ -0,0 +1,348 @@
+% language=uk
+
+\environment languages-environment
+
+\startcomponent languages-basics
+
+\startchapter[title=Some basics][color=darkyellow]
+
+\startsection[title={Introduction}]
+
+In this chapter we will see how we can toggle between languages. A first
+introduction to patterns will be given. Some details of how to control the
+hyphenation with specific patterns will be given in a later chapter.
+
+\stopsection
+
+\startsection[title={Available languages}]
+
+When you use the English version of \CONTEXT\ you will default to US English as
+main language. This means that hyphenation will be US specific, which by the way
+is different from the rules in GB. All labels that are generated by the system
+are also in English. Languages can often be accessed by names like \type
+{english} or \type {dutch} although it is quite common to use the short tags like
+\type {en} and \type {nl}. Because we want to be as compatible as possible with
+\MKII, there are quite some synonyms. The following table lists the languages that
+for which support is built|-|in.\footnote {More languages can be defined. It is
+up to users to provide the information.}
+
+\startbuffer
+\usemodule[languages-system]
+
+\loadinstalledlanguages
+\showinstalledlanguages
+\stopbuffer
+
+\getbuffer
+
+\noindentation You can call up such a table with the following commands:
+
+\typebuffer
+
+\noindentation Instead you can run \type {context --global languages-system.mkiv}.
+
+As you can see, many languages have hyphenation patterns but for Japanese,
+Korean, Chinese as well as Arabic languages they make no sense. The patterns are
+loaded on demand. The number is the internal number that is used in the engine; a
+user never has to use that number. Numbers $<1$ are used to disable hyphenation.
+The file tag is used to locate and load a specification. Such files have names
+like type {lang-nl.lua}.
+
+Some languages share the same hyphenation patterns but can have demands that
+differ, like labels or quotes. The characters shown in the table are those found
+in the pattern files. The number of patterns differs a lot between languages.
+This relates to the systematic behind them. Some languages use word stems, others
+base their hyphenation on syllables. Some language have inflections which adds to
+the complexity while others can combine words in ways that demand special care
+for word boundaries. Of course a low or high number can signal a low quality as
+well, but most pattern collections are assembled over many years and updated when
+for instance spelling rules change. I think that we can safely say that most patterns
+are quite stable and of good quality.
+
+\stopsection
+
+\startsection[title=Switching]
+
+The document language is set with
+
+\starttyping
+\mainlanguage[en]
+\stoptyping
+
+but when you want to apply the proper hyphenation rules to an embedded language
+you can use:
+
+\starttyping
+\language[en]
+\stoptyping
+
+or just:
+
+\starttyping
+\en
+\stoptyping
+
+The main language determines what labels show up, how numbering happens, in what
+way dates get formatted, etc. Normally the \typ {\mainlanguage} command comes
+before the \typ {\starttext} command.
+
+\stopsection
+
+\startsection[title=Hyphenation]
+
+In \LUATEX\ each character that gets typeset not only carries a font id and character
+code, but also a language number. You can switch language whenever you want and
+the change will be carried with the characters. Switching within a word doesn't make
+sense but it is permitted:
+
+\starttabulate[|||T|]
+\NC 1 \NC \type{\de incrediblykompliziert}      \NC \hyphenatedword{\de incrediblykompliziert}     \NC \NR
+\NC 2 \NC \type{\en incrediblykompliziert}      \NC \hyphenatedword{\en incrediblykompliziert}     \NC \NR
+\NC 3 \NC \type{\en incredibly\de kompliziert}  \NC \hyphenatedword{\en incredibly\de kompliziert} \NC \NR
+\NC 4 \NC \type{\en incredibly\de\-kompliziert} \NC \hyphenatedword{\en incredibly\de\-kompliziert} \NC \NR
+\NC 5 \NC \type{\en incredibly\de-kompliziert}  \NC \hyphenatedword{\en incredibly\de-kompliziert} \NC \NR
+\stoptabulate
+
+In the line 4 we have a \type {\-} between the two words, and in the last
+line just a \type {-}. If you look closely you will notice that the snippets
+can be quite small. If we typeset a word with a 1mm text width we get this:
+
+\blank \noindentation \start \en \hsize 1mm incredibly \par \stop \blank
+
+If you are familiar with the details of hyphenation, you know that the number of
+characters at the end and beginning of a word is controlled by the two variables
+\typ {\lefthyphenmin} and \typ {\righthyphenmin}. However, these only influence
+the hyphenation process. What bits and pieces eventually end up on a line is
+determined by the par builder and there the \type {\hsize} matters. In practice
+you will not run into these situations, unless you have extreme long words and a
+narrow column.
+
+Hyphenation normally is limited to regular characters that make up the alphabet of
+a language. It is insensitive for capitalization as the following text shows:
+
+\blank
+
+\startnarrower \noindentation
+\hyphenatedword {This time the musical distraction while developing code came
+from watching youtube performances of Cory Henry (also known from Snarky Puppy,
+a conglomerate of excellent players). Just search the web for his name with \quote
+{Stevie Wonder and Michael Jackson Tribute}. There is no keyboard he can't play.
+Another interesting keyboard player is Sun Rai (a short name for Rai
+Thistlethwayte, just google for \quote {The Beatles, Come Together, Live Piano
+Acoustic with Loop Pedal}, or do a combined search with \quote {Matt
+Chamberlain}. Okay, and talking of keyboards, let's not forget Vika Yermolyeva
+(vkgoeswild) as she's one of a kind too on the web. And then there is Jacob
+Collier, in one word: incredible (or hyphenated the Dutch way {\nl incredible},
+let me repeat that in French {\fr incredible}).} \footnote {Get me right, there
+are of course many more fantastic musicians.}
+\stopnarrower
+
+\blank
+
+\noindentation Of course, names are often short and don't need to be hyphenated
+(or the left and right settings prohibit it). Another complication with names is
+that they can come from another language so we either need to switch language
+temporarily or we need to add an exception (more about that later).
+
+\stopsection
+
+\startsection[title=Primitives]
+
+In traditional \TEX\ the language is not a property of a character but is
+triggered by a signal in the (so called) list. Think of:
+
+\starttyping
+<language 1>this is <language 2>nederlands<language 1> mixed with english
+\stoptyping
+
+This number is set by the primitive \typ {\language}. Language triggers are
+injected into the list depending on the value of this number. There is also a \typ
+{\setlanguage} primitive that can inject triggers without setting the \typ
+{\language} number. Because in \LUATEX\ the state is kept with the character
+you don't need to worry about the subtle differences here.
+
+In \CONTEXT\ the \typ {\language} and \typ {\setlanguage} commands are overloaded
+by a more advanced switch macro. You cannot assume that they work as explained in
+general manuals about \TEX. Currently you can still assign a number but that
+might change. Just consider the language to be an abstraction and don't mess with
+this number. Both commands not only change the current language but also do
+specific initializations when needed.
+
+What characters get involved in hyhenation is historically determines by the so
+called \type {\lccode} values. Each character can have such a value which maps
+an uppercase to a lowercase character. This concept has been extended in \ETEX\
+where it binds to a pattern set (language). However, in \CONTEXT\ the user never
+has to worry about such details.
+
+% The \type {\patterns} primitive is
+% The \type {\hyphenation} primitive is
+
+In traditional hyphenation there will not be hyphenated if the sum of \typ
+{\lefthyphenmin} and \typ {\righthyphenmin} exceeds 62. This limitation is not
+present in the to be presented \LUA\ variant of this routine as there is no
+good reason for this limitation other than implementation constraints.
+
+\stopsection
+
+\startsection[title=Control]
+
+We already mentioned \typ {\lefthyphenmin} and \typ {\righthyphenmin}. These
+two variables control the area in a word that is subjected to hyphenation.
+Setting these values is a matter of taste but making them too small can result in
+bad hyphenation when the patterns are made with the assumptions that certain
+minima are used. Using a \typ {\lefthyphenmin} of 2 while the patterns are made
+with a value of 3 in mind is a bad idea.
+
+\startlinecorrection[blank]
+\startluacode
+context.bTABLE { option = "stretch", align= "middle" }
+    context.bTR()
+        context.bTD { ny = 2, align = "middle,lohi", style = "monobold" }
+            context.verbatim("\\lefthyphenmin")
+        context.eTD()
+        context.bTD { nx = 5, style = "monobold" }
+            context.verbatim("\\righthyphenmin")
+        context.eTD()
+    context.eTR()
+    context.bTR()
+        for right=1,5 do
+            context.bTD()
+                context.mono(right)
+            context.eTD()
+        end
+    context.eTR()
+    for left=1,5 do
+        context.bTR()
+            context.bTD()
+                context.mono(left)
+            context.eTD()
+            for right=1,5 do
+                context.bTD()
+                    context("\\lefthyphenmin %s \\righthyphenmin %s \\hyphenatedword{interesting}",left,right)
+                context.eTD()
+            end
+        context.eTR()
+    end
+context.eTABLE()
+\stopluacode
+\stoplinecorrection
+
+When \TEX\ breaks a paragraph into lines it will try do so without hyphenation.
+When that fails (read: when the badness becomes too high) a next effort will take
+hyphenation into account. \footnote {Because in \LUATEX\ we always hyphenate
+there is no real gain in trying not to hyphenate. Because in traditional \TEX\
+hyphenation happens on the fly a pass without hyphenating makes more sense.} When
+the badness is still too high, an optional emergency pass can be made but only
+when the tolerances are set to permit this. In \CONTEXT\ you can try these
+settings when you get too many over- or underfull boxes reported on the console.
+
+\starttyping
+\setupalign[tolerant]
+\setupalign[verytolerant]
+\setupalign[verytolerant,stretch]
+\stoptyping
+
+Personally I tend to use the last setting, especially in automated flows. After
+all, \TEX\ will not apply stretch unless it's really needed.
+
+The two \typ {\*hyphenmin} parameters can be set any time and the current value
+is stored with each character. They can also be set with the language which we
+will see later.
+
+When \TEX\ hyphenates words it has to decide where a word starts and ends. In
+traditional \TEX\ the words starts normally at a character that falls within the
+scope of the hyphenator. It ends at when a box (hlist or vlist) is seen, but also
+at a rule, discretionary, accent (forget about this in \CONTEXT) or math. An
+example will be given in the chapter that discussed the \LUA\ alternative.
+
+\stopsection
+
+\startsection[title=Installing]
+
+    todo
+
+\stopsection
+
+\startsection[title=Modes]
+
+Languages are one of the mechanisms where you can access the current state. There are
+for instance two (official) macros that contain the current (main) language:
+
+\startbuffer
+\starttabulate[||Tc|]
+\HL
+\NC \bf macro                    \NC \bf value            \NC \NR
+\HL
+\NC \type {\currentmainlanguage} \NC \currentmainlanguage \NC \NR
+\NC \type {\currentlanguage}     \NC \currentlanguage     \NC \NR
+\HL
+\stoptabulate
+\stopbuffer
+
+\getbuffer
+
+When we have set \type {\language[nl]} we get this:
+
+\start \nl \getbuffer \stop
+
+If you write a style that needs to adapt to a language you can use modes. There
+are several ways to do this:
+
+\startbuffer
+\language[nl]
+
+\startmode[**en]
+    \color[darkred]{main english}
+\stopmode
+
+\startmode[*en]
+    \color[darkred]{local english}
+\stopmode
+
+\startmode[**nl]
+    \color[darkblue]{main dutch}
+\stopmode
+
+\startmode[*nl]
+    \color[darkblue]{local dutch}
+\stopmode
+
+\startmodeset
+    [*en] {\color[darkgreen]{english set}}
+    [*nl] {\color[darkgreen]{dutch set}}
+\stopmodeset
+\stopbuffer
+
+\typebuffer
+
+\noindentation This typesets:
+
+\blank \start \setupindenting[no] \getbuffer \stop \blank
+
+When you use setups you can use the following trick:
+
+\startbuffer
+\language[nl]
+
+\startsetups language:en
+    \color[darkorange]{something english}
+\stopsetups
+
+\startsetups language:nl
+    \color[darkorange]{something dutch}
+\stopsetups
+
+\setups[language:\currentlanguage]
+\stopbuffer
+
+\typebuffer
+
+\noindentation As expected we get:
+
+\blank \start \setupindenting[no] \getbuffer \stop \blank
+
+\stopsection
+
+\stopchapter
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/languages/languages-contents.tex b/Master/texmf-dist/doc/context/sources/general/manuals/languages/languages-contents.tex
new file mode 100644
index 00000000000..10fadb56bf8
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/languages/languages-contents.tex
@@ -0,0 +1,13 @@
+% language=uk
+
+\startcomponent languages-contents
+
+\environment languages-environment
+
+\starttitle[title=Contents][color=darkgray]
+
+\placelist[chapter][criterium=text]
+
+\stoptitle
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/languages/languages-cover.tex b/Master/texmf-dist/doc/context/sources/general/manuals/languages/languages-cover.tex
new file mode 100644
index 00000000000..75a033b5fa9
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/languages/languages-cover.tex
@@ -0,0 +1,133 @@
+% language=uk
+
+\startcomponent languages-cover
+
+\environment languages-environment
+
+\startbuffer[abstract]
+
+This book explains how we support languages (and
+scripts) in \CONTEXT\ \MKIV\ and \LUATEX. Some of
+the mechanisms discussed are generic and not
+\CONTEXT\ specific. We discuss the way languages are
+dealt with in the engine, hyphenation, standard
+features and additional goodies. Tracing and the
+extensibility of code are also discussed.
+
+\stopbuffer
+
+\startsetups document:abstract
+    \framed [
+        foregroundstyle=bold,
+        foregroundcolor=white,
+        width=7.5cm,
+        align={normal,tolerant},
+        frame=off,
+        strut=no,
+    ] {
+        \getbuffer[abstract]
+    }
+\stopsetups
+
+\startMPextensions
+
+    def DrawCoverPage (expr what) =
+
+        begingroup ;
+
+        save SpineWidth ; numeric SpineWidth ; SpineWidth := 8mm ;
+        save PaperBleed ; numeric PaperBleed ; PaperBleed := 2mm ; % todo
+
+        StartCover ;
+
+            save width, size, anchor ;
+
+            numeric width, size ; pair anchor, offset ;
+
+            color ColorVariant[] ;
+
+          % ColorVariant[1] := \MPcolor{darkred} ;
+          % ColorVariant[2] := \MPcolor{darkgreen} ;
+          % ColorVariant[3] := \MPcolor{darkblue} ;
+          % ColorVariant[4] := \MPcolor{darkyellow} ;
+
+            ColorVariant[1] := \MPcolor{darkmagenta} ;
+            ColorVariant[2] := \MPcolor{darkorange} ;
+            ColorVariant[3] := \MPcolor{darkyellow} ;
+            ColorVariant[4] := \MPcolor{darkcyan} ;
+
+            fill CoverPage enlarged PaperBleed withcolor \MPcolor{darkgray} ;
+
+            fill Spine bottomenlarged  -.5CoverHeight withcolor ColorVariant[3] ;
+            fill Spine topenlarged     -.5CoverHeight withcolor ColorVariant[2] ;
+
+            width  := FrontPageWidth ;
+            height := FrontPageHeight ;
+            size   := 4 * width / 3 ;
+            offset := (-1cm,1cm) ;
+            anchor := .5[lrcorner CoverPage,urcorner CoverPage] ;
+
+            fill anchored.llft(lltriangle scaled size, urcorner FrontPage) withcolor ColorVariant[1] ;
+            fill anchored.urt (urtriangle scaled size, llcorner FrontPage) withcolor ColorVariant[2] ;
+            fill anchored.lrt (lrtriangle scaled size, ulcorner FrontPage) withcolor ColorVariant[3] ;
+            fill anchored.ulft(ultriangle scaled size, lrcorner FrontPage) withcolor ColorVariant[4] ;
+
+            fill anchored.lrt (lrtriangle scaled size, ulcorner BackPage) withcolor ColorVariant[1] ;
+            fill anchored.llft(lltriangle scaled size, urcorner BackPage) withcolor ColorVariant[3] ;
+            fill anchored.ulft(ultriangle scaled size, lrcorner BackPage) withcolor ColorVariant[2] ;
+            fill anchored.urt (urtriangle scaled size, llcorner BackPage) withcolor ColorVariant[4] ;
+
+            draw thetextext.llft(textext("\bf Languages in \ConTeXt\hskip-.1em") rotated 45 ysized .350height, anchor shifted (6*offset+offset)) withcolor white ;
+            draw thetextext.llft(textext("\bf explaining luatex and mkiv")       rotated 45 ysized .275height, anchor shifted (5*offset+offset)) withcolor white ;
+            draw thetextext.llft(textext("\bf Hans Hagen")                       rotated 45 ysized .200height, anchor shifted (2*offset+offset)) withcolor white ;
+            draw thetextext.llft(textext("\bf PRAGMA ADE")                       rotated 45 ysized .200height, anchor shifted (1*offset+offset)) withcolor white ;
+
+            % for the moment
+
+            draw thetextext.top(textext("\bf work in progress") xsized 4cm, lrcorner Page shifted (-3cm,1cm)) withcolor white ;
+
+            % till here
+
+            width := BackPageWidth ;
+
+            draw thetextext(textext("\bf\setups[document:abstract]") xsized .65width rotated 45 , center BackPage) withcolor white ;
+
+            anchor := .5[ulcorner Spine,urcorner Spine] shifted (0,-1cm);
+
+            draw thetextext.bot(textext("\bf Languages in \ConTeXt\hskip-.1em") rotated 90 xsized .8SpineWidth, anchor) withcolor white ;
+
+            anchor := .5[llcorner Spine,lrcorner Spine] shifted (0,1cm);
+
+            draw thetextext.top(textext("\bf Hans Hagen")                       rotated 90 xsized .8SpineWidth, anchor) withcolor white ;
+
+        StopCover ;
+
+        if what = "front" :
+            clip currentpicture to FrontPage ;
+        elseif what = "back" :
+            clip currentpicture to BackPage ;
+        else :
+            drawboundary CoverPage ;
+        fi ;
+
+        endgroup ;
+
+    enddef ;
+
+\stopMPextensions
+
+\doifmodeelse {simple} {
+
+    \startMPpage
+        DrawCoverPage("front") ;
+    \stopMPpage
+
+} {
+
+    \startMPpage
+        DrawCoverPage("cover") ;
+    \stopMPpage
+
+}
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/languages/languages-environment.tex b/Master/texmf-dist/doc/context/sources/general/manuals/languages/languages-environment.tex
new file mode 100644
index 00000000000..ff529a8d176
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/languages/languages-environment.tex
@@ -0,0 +1,347 @@
+\startenvironment languages-environment
+
+\usemodule[visual]
+\usemodule[simulate]
+
+\dontcomplain
+
+\definepapersize
+  [book]
+  [width=18cm,
+   height=24cm]
+
+\setuppapersize
+  [book]
+
+\startmode[oversized]
+
+    \setuppapersize
+      [book]
+      [oversized]
+
+    \setuplayout
+      [marking=on]
+
+\stopmode
+
+\setuplayout
+  [location=middle,
+   topspace=1.5cm,
+   bottomspace=2cm,
+   backspace=2cm,
+   cutspace=2cm,
+   header=0cm,
+   footer=0cm,
+   margindistance=.25cm,
+   margin=1.25cm,
+   width=middle,
+   height=middle]
+
+\setuplayout
+  [style=\ss]
+
+\usetypescript
+  [dejavu-condensed]
+
+\setupbodyfont
+  [ipaex,9pt]
+
+\setupbodyfont
+  [dejavu,9pt]
+
+\definetyping
+  [narrowtyping]
+  [typing]
+  [bodyfont=dejavu-condensed]
+
+% This is way too ugly for a manual:
+%
+% \setuptyping
+%   [indentnext=no]
+%
+% \setupindenting
+%   [medium,yes]
+
+\setupwhitespace
+  [big]
+
+\defineoverlay
+  [page]
+  [\useMPgraphic{page}]
+
+\setupbackgrounds
+  [page]
+  [background=page]
+
+\setuphead
+  [chapter,section,subsection]
+  [color=\namedstructureuservariable{chapter}{color}]
+
+\setuphead
+  [chapter]
+  [style=\bfc]
+
+\setuphead
+  [section]
+  [style=\bfb]
+
+\setuphead
+  [subsection]
+  [style=\bf,
+   before=\blank,
+   after=\blank]
+
+\startsetups document:chapter:inside
+    \definecolor[maincolor][1.0(\namedheadparameter{chapter}{color})] % this expands the color
+    \definecolor[halfcolor][0.5(maincolor,white)]
+\stopsetups
+
+\setuphead
+  [chapter]
+  [insidesection=\setup{document:chapter:inside}]
+
+\setuppagenumbering
+  [alternative=doublesided,
+   location=]
+
+\setuplist
+  [aligntitle=yes]
+
+\setuplist
+  [chapter]
+  [pagenumber=no,
+   style=bold,
+   before={\blank\startcolor[\structurelistuservariable{color}]},
+   after={\placelist[section]\stopcolor}]
+
+\setuplist
+  [chapter,section]
+  [width=3em]
+
+\startuseMPgraphic{page}
+
+    StartPage ;
+
+        linecap := butt ;
+
+        if OnRightPage :
+
+            path p ; p := (
+                urcorner Page shifted (-2cm,0) --
+                urcorner Page                  --
+                urcorner Page shifted (0,-2cm) -- cycle
+            ) shifted (-2.5mm,-2.5mm) ;
+
+        else :
+
+            path p ; p := (
+                ulcorner Page shifted (2cm,0)  --
+                ulcorner Page                  --
+                ulcorner Page shifted (0,-2cm) -- cycle
+            ) shifted (2.5mm,-2.5mm) ;
+
+        fi ;
+
+        fill p
+            withpen pencircle scaled 1mm
+          % withcolor \MPcolor{\namedstructureuservariable{chapter}{color}} ;
+            withcolor \MPcolor{maincolor} ;
+
+        draw thetextext("\bf\userpagenumber",
+            if OnRightPage : urcorner p shifted (-5mm,-5mm) else : ulcorner p shifted (5mm,-5mm) fi)
+            withcolor white ;
+
+        if OnRightPage :
+
+            path p ; p := (
+                lrcorner Page shifted (-5cm,0) --
+                lrcorner Page
+            ) shifted (-5mm,10mm)
+
+        else :
+
+            path p ; p := (
+                llcorner Page shifted (5cm,0) --
+                llcorner Page
+            ) shifted (5mm,10mm) ;
+
+        fi ;
+
+        draw p
+            withpen pencircle scaled 1mm
+          % withcolor \MPcolor{\namedstructureuservariable{chapter}{color}} ;
+            withcolor \MPcolor{maincolor} ;
+
+        draw if OnRightPage :
+            thetextext.lft("\bf\getspecificstructuretitle{chapter}",lrcorner Page shifted (-5mm,5mm))
+        else :
+            thetextext.rt ("\bf\getspecificstructuretitle{chapter}",llcorner Page shifted ( 5mm,5mm))
+        fi withcolor \MPcolor{\namedstructureuservariable{chapter}{color}} ;
+     %  fi withcolor \MPcolor{maincolor} ;
+
+    StopPage ;
+\stopuseMPgraphic
+
+\definecolor[orange]     [r=1,g=.6,b=.1]
+
+\definecolor[middlegray] [s=.75]
+\definecolor[darkgray]   [s=.25]
+\definecolor[darkred]    [r=.5]
+\definecolor[darkgreen]  [g=.5]
+\definecolor[darkblue]   [b=.5]
+
+\definecolor[darkyellow] [.5(red,green)]
+\definecolor[darkmagenta][.5(red,blue)]
+\definecolor[darkcyan]   [.5(green,blue)]
+
+\definecolor[darkorange] [.5(orange)]
+
+\definecolor [mix-1] [r=1,g=.75,b=.25] \definecolor [darkmix-1][.5(mix-1)]
+\definecolor [mix-2] [r=1,g=.25,b=.75] \definecolor [darkmix-2][.5(mix-2)]
+\definecolor [mix-3] [r=.75,g=1,b=.25] \definecolor [darkmix-3][.5(mix-3)]
+\definecolor [mix-4] [r=.75,g=.25,b=1] \definecolor [darkmix-4][.5(mix-4)]
+\definecolor [mix-5] [r=.25,g=1,b=.75] \definecolor [darkmix-5][.5(mix-5)]
+\definecolor [mix-6] [r=.25,g=.75,b=1] \definecolor [darkmix-6][.5(mix-6)]
+
+% \blackrule[height=1cm,width=10cm,color=mix-1] \blackrule[height=1cm,width=10cm,color=darkmix-1]
+% \blackrule[height=1cm,width=10cm,color=mix-2] \blackrule[height=1cm,width=10cm,color=darkmix-2]
+% \blackrule[height=1cm,width=10cm,color=mix-3] \blackrule[height=1cm,width=10cm,color=darkmix-3]
+% \blackrule[height=1cm,width=10cm,color=mix-4] \blackrule[height=1cm,width=10cm,color=darkmix-4]
+% \blackrule[height=1cm,width=10cm,color=mix-5] \blackrule[height=1cm,width=10cm,color=darkmix-5]
+% \blackrule[height=1cm,width=10cm,color=mix-6] \blackrule[height=1cm,width=10cm,color=darkmix-6]
+
+\definecolor[maincolor]  [darkgray]
+
+% modules
+
+\usemodule
+  [abr-01]
+
+\setupsorting
+  [logo]
+  [style=]
+
+\usemodule     [chart]
+\usemodule     [nodechart]
+
+% \usemodule [s] [fonts-tables]
+% \usemodule [s] [fonts-missing]
+% \usemodule [s] [fonts-vectors]
+% \usemodule [s] [fonts-features]
+
+\usemodule [s] [languages-words]
+\usemodule [s] [languages-hyphenation]
+\usemodule [s] [languages-frequencies]
+\usemodule [s] [languages-sorting]
+\usemodule [s] [languages-counters]
+\usemodule [s] [languages-system]
+
+\usemodule [s] [math-extensibles]
+
+\setupFLOWchart
+  [width=6em,
+   height=3em,
+   offset=-2em, % maybe default : todo: hoffset and voffset
+   dx=2em,
+   dy=2em]
+
+\setupFLOWlines
+  [color=maincolor]
+
+\setupFLOWshapes
+  [rulecolor=maincolor]
+
+% tables
+
+\setuptabulate
+  [rulethickness=.5mm,
+   rulecolor=maincolor]
+
+% special commands
+
+\startuniqueMPgraphic{reference}{color}
+    fill
+        .5[llcorner OverlayBox,ulcorner OverlayBox] --
+        .5[ulcorner OverlayBox,urcorner OverlayBox] --
+        .5[urcorner OverlayBox,lrcorner OverlayBox] --
+        .5[lrcorner OverlayBox,llcorner OverlayBox] -- cycle
+        withcolor \MPvar{color} ;
+\stopuniqueMPgraphic
+
+\startuniqueMPgraphic{reference}{color}
+    path p ; p := OverlayBox enlarged -1mm ;
+    filldraw
+        ulcorner p --
+        urcorner p --
+        lrcorner p --
+        .5[lrcorner p,llcorner p] shifted (0,-1ExHeight) --
+        llcorner p -- cycle
+        withpen pencircle scaled 1mm
+        withcolor \MPvar{color} ;
+    setbounds currentpicture to OverlayBox enlarged 1ExHeight ;
+\stopuniqueMPgraphic
+
+\defineoverlay[reference][\uniqueMPgraphic{reference}{color=maincolor,}]
+
+\definecolor[maincolor][red]
+
+\definemargindata
+  [appendixdata]
+%   [inner]
+  [outer]
+  [stack=yes]
+
+\definemarginframed
+  [appendixdata]
+  [width=3.5em,
+   height=\lineheight, % we know what goes in there
+   align=middle,
+   offset=overlay,
+   foregroundcolor=white,
+   background=reference]
+
+% todo:
+%
+% \appendixdata[reference=bla]{}
+%
+% whole data
+
+% interaction
+
+\setupinteraction
+  [state=start,
+   click=no,
+   color=,
+   contrastcolor=,
+   style=]
+
+% extra fonts (shared among chapters)
+
+\definefontfeature[demo-onum][kern=yes,onum=yes]
+%definefontfeature[demo-lnum][kern=yes,lnum=yes]
+\definefontfeature[demo-tnum][kern=yes,tnum=yes]
+\definefontfeature[demo-pnum][kern=yes,pnum=yes]
+\definefontfeature[demo-zero][zero=yes]
+\definefontfeature[demo-none][]
+
+\definefont[DemoOnumLM][file:lmroman10-regular*demo-onum at 42pt]
+%definefont[DemoLnumLM][file:lmroman10-regular*demo-lnum at 42pt]
+\definefont[DemoTnumLM][file:lmroman10-regular*demo-tnum at 42pt]
+\definefont[DemoPnumLM][file:lmroman10-regular*demo-pnum at 42pt]
+
+\definefont[DemoZeroLM][file:lmroman10-regular*demo-zero at 42pt]
+\definefont[DemoNoneLM][file:lmroman10-regular*demo-none at 42pt]
+
+\definefont[DemoZeroLT][file:lmtypewriter10-regular*demo-zero at 42pt]
+\definefont[DemoNoneLT][file:lmtypewriter10-regular*demo-none at 42pt]
+
+\definestartstop
+  [notabene]
+  [before=\blank,
+   after=\blank,
+   style=\em]
+
+\setuphyphenation
+  [method=default]
+
+\stopenvironment
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/languages/languages-goodies.tex b/Master/texmf-dist/doc/context/sources/general/manuals/languages/languages-goodies.tex
new file mode 100644
index 00000000000..fbbfafc34a1
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/languages/languages-goodies.tex
@@ -0,0 +1,138 @@
+% language=uk
+
+\environment languages-environment
+
+\startcomponent languages-goodies
+
+\startchapter[title=Goodies][color=darkorange]
+
+\startsection[title=Introduction]
+
+There are some features that will only be used in rare cases. They were often
+implemented as experiment but found useful enough to keep around.
+
+\stopsection
+
+\startsection[title=Spell checking]
+
+There are some means to check the spelling of words in your document but get it
+right: \CONTEXT\ is not a spell|-|checker. These features were added in order to
+be able to do some quick checking of documents written by multiple authors. There
+are currently three options and we only show a simple examples.
+
+First you need to load word lists. These are either text files with just words
+separated by spacing.
+
+\starttyping[color=maincolor]
+foobar  foo-bar  foo=bar  foo{}{}{}bar  foo{}{}{bar}
+\stoptyping
+
+All these words become \type {foobar} which means that one can use words with
+discretionary specifications. A text list is loaded with:
+
+\startbuffer
+\loadspellchecklist[en][t:/manuals/lua/words-en.txt]
+\stopbuffer
+
+\typebuffer \getbuffer
+
+Instead you can load a \LUA\ file with words. Here we use the same structure that
+we use for the spell checker provided for \SCITE:
+
+\starttyping[color=maincolor]
+return {
+    max   = 9,
+    min   = 6,
+    n     = 2,
+    words = {
+        ["barfoo"]    = "Barfoo"
+        ["foobarred"] = "foobarred",
+    }
+}
+\stoptyping
+
+We use the same load command (you can also load bytecode files with suffix \type
+{luc} this way):
+
+\startbuffer
+\loadspellchecklist[nl][t:/scite/data/context/lexers/data/spell-nl.lua]
+\stopbuffer
+
+\typebuffer \getbuffer
+
+Usage boils down to enabling the checker. If needed we can add more methods. The
+first method colors the known and unknown colors. Words shorter then the
+threshold of 4 will be skipped.
+
+\startbuffer
+\setupspellchecking[state=start,method=1]
+\en Is this written right or is this wromg?\par % m -> n error
+\nl Is dit goed geschreven of niet?\par
+\setupspellchecking[state=stop]
+\stopbuffer
+
+\typebuffer \startpacked \getbuffer \stoppacked
+
+You can change the colors:
+
+\starttyping
+\definecolor[word:yes]    [g=.75]
+\definecolor[word:no]     [r=.75]
+\stoptyping
+
+The second method doesn't show anything but produces a file \type
+{jobname.words}) with used words. The \type {found} value of \type {list} is used
+as key in the produced table.
+
+\startbuffer
+\setupspellchecking[state=start,method=2,list=found]
+\en Is this written right or is this wrong?\par
+\nl Is dit goed geschreven of niet?\par
+\setupspellchecking[state=stop]
+\stopbuffer
+
+\typebuffer \startpacked \getbuffer \stoppacked
+
+The produced table is:
+
+\typefile{\jobname.words}
+
+The result can be traced with a module:
+
+\startbuffer
+\usemodule[s-languages-words]
+
+\showwords
+\stopbuffer
+
+\typebuffer
+
+This shows up as:
+
+\getbuffer
+
+The third mechanism colors languages differently. We only defined a few colors:
+
+\starttyping
+\definecolor[word:en]     [b=.75]
+\definecolor[word:de]     [r=.75]
+\definecolor[word:nl]     [g=.75]
+\definecolor[word:unknown][r=.75,g=.75]
+\stoptyping
+
+but you can of course define a color for your favourite language in a similar way.
+
+\startbuffer
+\setupspellchecking[state=start,method=3]
+\en Is this written right or is this wrong?\par
+\nl Is dit goed geschreven of niet?\par
+\setupspellchecking[state=stop]
+\stopbuffer
+
+\typebuffer \startpacked \getbuffer \stoppacked
+
+\stopsection
+
+\stopchapter
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/languages/languages-hyphenation.tex b/Master/texmf-dist/doc/context/sources/general/manuals/languages/languages-hyphenation.tex
new file mode 100644
index 00000000000..48e6eb385cc
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/languages/languages-hyphenation.tex
@@ -0,0 +1,810 @@
+% language=uk
+
+\environment languages-environment
+
+\startcomponent languages-hyphenation
+
+\startchapter[title=Hyphenation][color=darkmagenta]
+
+\startsection[title=How it works]
+
+Proper hyphenation is one of the strong points of \TEX. Hyphenation in \TEX\ is
+done using so called hyphenation patterns. Making these patterns is an art
+and most users (including me) happily use whatever is available. Patterns can be
+created automatically using \type {patgen} but often manual tweaking is needed
+too. A pattern looks as follows:
+
+\starttyping
+pat1tern
+\stoptyping
+
+This means as much as: you can split the word \type {pattern} in two pieces, with
+a hyphen between the two \type {t}'s. Actually it will also split the word \type
+{patterns} because the hyphenation mechanism looks at substrings. When no number
+between characters in a pattern is given, a zero is assumed. This means as much
+as {\em undefined}. An even number inhibits hyphenation, an odd number permits
+it. The larger the number (weight), the more influence it has. A more restricted
+pattern is:
+
+\starttyping
+.pat1tern.
+\stoptyping
+
+Here the periods set the word boundaries. The pattern dictionary for us
+english has smaller patterns and the next trace shows how these are applied.
+
+\starthyphenation[traditional]
+\showhyphenationtrace[en][pattern]
+\stophyphenation
+
+The effective hyphenation of a word is determined by several factors:
+
+\startitemize[packed]
+\startitem the current language, each language can have different patterns \stopitem
+\startitem the characters, as some characters might block hyphenation \stopitem
+\startitem the settings of \type {\lefthyphenmin} and \type {\righthyphenmin} \stopitem
+\stopitemize
+
+A place where a word can be hyphenated is called a discretionary. When \TEX\
+analyzes a stream, it will inject discretionary nodes into that stream.
+
+\starttyping
+pat\discretionary{-}{}{}tern.
+\stoptyping
+
+In traditional \TEX\ hyphenation, ligature building and kerning are tightly
+interwoven which is quite effective. However, there was also a strong
+relationship between the current font and hyphenation. This is a side effect of
+traditional \TEX\ having at most 256 characters in a font and the fact that the
+used character is fact a reference to a slot in a font. There a character in the
+input initially ends up as a character node and eventually becomes a glyph node.
+For instance two characters \type {fi} can become a ligature glyph representing
+this combination.
+
+In \LUATEX\ the hyphenation, ligature building and kerning stages are separated
+and can be overloaded. In \CONTEXT\ all three can be replaced by code written in
+\LUA. Because normally hyphenation happens before font logic is applied, there is
+no relationship with font encoding. I wrote the first \LUA\ version of the
+hyohenator on a rainy weekend and the result was not that bad so it was presented
+at the 2014 \CONTEXT\ meeting. After some polishing I decided to add this routine
+to the standard \MKIV\ repertoire which then involved some proper interfacing.
+
+You can enable the \LUA\ variant with the following command:
+
+\starttyping
+\setuphyphenation[method=traditional]
+\stoptyping
+
+We call this method \type {traditional} because in principle we can have
+many more methods and this one is (supposed to be) mostly compatible to the
+built-in method. This is a global setting. You can switch back with:
+
+\starttyping
+\setuphyphenation[method=default]
+\stoptyping
+
+In the next sections we will see how we can provide alternatives within the
+traditional method. These alternatives can be set local and therefore can operate
+over a limited range of characters.
+
+One complication in interfacing is that \TEX\ has grouping (which permits local
+settings) and we want to limit some of the above functionality using groups. At
+the same time hyphenation is a paragraph related action so we need to enable the
+hyphenation related code at a global level (or at least make sure that it gets
+exercised by forcing a \type {\par}). That means that the alternative
+hyphenator has to be quite compatible so that we could just enable it for a whole
+document. This can have an impact on performance but in practice that can be
+neglected. In \LUATEX\ the \LUA\ variant is 4~times slower than the built-in one,
+in \LUAJITTEX\ it's 3~times slower. But the good news is that the amount of time
+spent in the hyphenator is relatively small compared to other manipulations and
+macro expansion. The additional time needed for loading and preparing the
+patterns into a more \LUA\ specific format can be neglected.
+
+You can check how words get hyphenated using the patterns management script:
+
+\starttyping
+>mtxrun --script patterns --hyphenate language
+
+hyphenator      |
+hyphenator      | . l a n g u a g e .   . l a n g u a g e .
+hyphenator      |    0a2n0               0 0 2 0 0 0 0 0 0
+hyphenator      |    2a0n0g0             0 2 2 0 0 0 0 0 0
+hyphenator      |      0n1g0u0           0 2 2 1 0 0 0 0 0
+hyphenator      |        0g0u4a0         0 2 2 1 0 4 0 0 0
+hyphenator      |              2g0e0.0   0 2 2 1 0 4 2 0 0
+hyphenator      | .0l2a2n1g0u4a2g0e0.   . l a n-g u a g e .
+hyphenator      |
+mtx-patterns    | us 3 3 : language : lan-guage
+\stoptyping
+
+\stopsection
+
+\startsection[title=The last words]
+
+Mid 2014 we had to upgrade a style for a \PDF\ assembly service: chapters from
+(technical) school books are combined into arbitrary new books. There are some
+nasty aspects with this flow: for instance, all section numbers in a chapter are
+replaced by new numbers and this also involves figure and table prefixes.
+It boils down to splitting up books, analyzing the typeset content and
+preparing it for replacements. The structure is described in \XML\ files so that
+we can generate tables of contents. The reason for not generating from \XML\
+sources is that the publisher doesn't have a \XML\ workflow and that books
+already were available. Also, books from several series are combined and even
+within a series structure (and rendering) differs.
+
+What has this to do with hyphenation? Writing a style for such a flow always
+results in a more complex one that estimated and as usual it's in the details.
+The original style was written in \MKII\ and used some box juggling to achieve
+reasonable results but in \MKIV\ we can do better.
+
+Each chapter has a title and books get titles and subtitles as well. The titles
+are typeset each time a new book is composed. This happens within some layout
+constraints. Think of constraints like these:
+
+\startitemize[packed]
+\startitem the title goes on top of a shape that doesn't permit much overflow \stopitem
+\startitem there can be very long words (not uncommon in Dutch or German) \stopitem
+\startitem a short word or hyphenated part should not end up on the last line \stopitem
+\startitem the left and right hyphenation minima are at least four \stopitem
+\stopitemize
+
+The last requirement is a compromise because in most cases publishers seem to
+want ragged right not hyphenated rendering (at least in Dutch schoolbooks). The
+arguments for this are quite weak and probably originate in fear of bad rendering
+given past experiences. It's this kind of situations that drive the development
+of the more obscure features that ship with \CONTEXT\ and a (partial) solution
+for this specific case will be given later.
+
+If you look at thousands of titles and turn these into (small) paragraphs \TEX\
+does a pretty good job. It's the few exceptions that we need to catch. The next
+examples demonstrate such an extreme case.
+
+\startbuffer[example]
+\dorecurse{5} { % dejavu
+    \startlinecorrection[blank]
+        \bTABLE
+            \bTR
+                \bTD[align=middle,width=2em,foregroundstyle=bold]
+                    #1
+                \eTD
+                \bTD[align={verytolerant,flushleft},width=15em,offset=1ex]
+                    \hsize \dimexpr11\emwidth-#1\dimexpr.5\emwidth\relax
+                    \dontcomplain
+                    \lefthyphenmin=4\righthyphenmin=4
+                    \blackrule[color=darkyellow,width=\hsize,height=-3pt,depth=5pt]\par
+                    \begstrut\getbuffer[long]\endstrut\par
+                \eTD
+                \bTD[align={verytolerant,flushleft},width=15em,offset=1ex]
+                    \sethyphenationfeatures[demo]
+                    \hsize \dimexpr11\emwidth-#1\dimexpr.5\emwidth\relax
+                    \dontcomplain
+                    \blackrule[color=darkyellow,width=\hsize,height=-3pt,depth=5pt]\par
+                    \begstrut\getbuffer[long]\endstrut\par
+                \eTD
+            \eTR
+        \eTABLE
+    \stoplinecorrection
+}
+\stopbuffer
+
+\definehyphenationfeatures
+  [demo]
+  [rightwords=1,
+   lefthyphenmin=4,
+   righthyphenmin=4]
+
+\startbuffer[long]
+a verylongword and then anevenlongerword
+\stopbuffer
+
+\starthyphenation[traditional]
+    \enabletrackers[hyphenator.visualize]
+    \getbuffer[example]\par
+    \disabletrackers[hyphenator.visualize]
+\stophyphenation
+
+Of course in practice there need to be some reasonable width and when we pose
+these limits the longest possible word should fit into the allocated space. In
+these examples the rule shows the width. In the right columns we see a red
+colored word and that one will not get hyphenated.
+
+\stopsection
+
+\startsection[title=Explicit hyphens]
+
+Another special case that we needed to handle were (compound) words with explicit
+hyphens. Because often data comes from \XML\ files we can not really control the
+typesetting as in a \TEX\ document where the author sees what gets done. So here
+we need a way to turn these hyphens into proper hyphenation directives and at the
+same time permit the words to be hyphenated.
+
+\definehyphenationfeatures
+  [demo]
+  [hyphens=yes,
+   lefthyphenmin=4,
+   righthyphenmin=4]
+
+\startbuffer[long]
+a very-long-word and then an-even-longer-word
+\stopbuffer
+
+\starthyphenation[traditional]
+    \enabletrackers[hyphenator.visualize]
+    \getbuffer[example]\par
+    \disabletrackers[hyphenator.visualize]
+\stophyphenation
+
+\stopsection
+
+\startsection[title=Extended patterns]
+
+As with more opened up mechanisms, in \MKIV\ we can extend functionality. As an
+example I have implemented the extensions discussed in the article by László
+Németh in the Proceedings of Euro\TEX\ 2006: {\em Hyphenation in OpenOffice.org}
+(TUGboat, Volume 27, 2006). The syntax for these extension is somewhat ugly and
+involves optional offsets and ranges. \footnote {I'm not sure if there were ever
+patterns released that used this syntax.}
+
+\startbuffer
+\registerhyphenationpattern[nl][e1ë/e=e]
+\registerhyphenationpattern[nl][a9atje./a=t,1,3]
+\registerhyphenationpattern[en][eigh1tee/t=t,5,1]
+\registerhyphenationpattern[de][c1k/k=k]
+\registerhyphenationpattern[de][schif1f/ff=f,5,2]
+\stopbuffer
+
+\typebuffer \getbuffer
+
+These patterns result in the following hyphenations:
+
+\starthyphenation[traditional]
+    \switchtobodyfont[big]
+    \starttabulate[|||]
+        \NC reëel      \NC \language[nl]\hyphenatedcoloredword{reëel}      \NC \NR
+        \NC omaatje    \NC \language[nl]\hyphenatedcoloredword{omaatje}    \NC \NR
+        \NC eighteen   \NC \language[en]\hyphenatedcoloredword{eighteen}   \NC \NR
+        \NC Zucker     \NC \language[de]\hyphenatedcoloredword{Zucker}     \NC \NR
+        \NC Schiffahrt \NC \language[de]\hyphenatedcoloredword{Schiffahrt} \NC \NR
+    \stoptabulate
+\stophyphenation
+
+In a specification, the \type {.} indicates a word boundary and numbers indicate
+the weight of a breakpoint. The optional extended specification comes after the
+\type {/}. The values separated by a \type {=} are the pre and post sequences:
+these end up at the end of the current line and beginning of the next one. The
+optional numbers are the start position and length. These default to~1 and~2, so
+in the first example they identify \type {eë} (the weights don't count).
+
+There is a pitfall here. When the language already has patterns that for
+instance prohibit a hyphen between \type {e} and type {ë}, like \type{e2ë}, we
+need to make sure that we give our new one a higher priority, which is why we
+used a \type{e9ë}.
+
+This feature is somewhat experimental and can be improved. Here is a more \LUA-ish
+way of setting such patterns:
+
+\starttyping
+local registerpattern =
+    languages.hyphenators.traditional.registerpattern
+
+registerpattern("nl","e1ë", {
+    start  = 1,
+    length = 2,
+    before = "e",
+    after  = "e",
+} )
+
+registerpattern("nl","a9atje./a=t,1,3")
+\stoptyping
+
+Just adding extra patterns to an existing set without much testing is not wise. For
+instance we could add these to the dutch dictionary:
+
+\starttyping
+\registerhyphenationpattern[nl][e3ë/e=e]
+\registerhyphenationpattern[nl][o3ë/o=e]
+\registerhyphenationpattern[nl][e3ï/e=i]
+\registerhyphenationpattern[nl][i3ë/i=e]
+\registerhyphenationpattern[nl][a5atje./a=t,1,3]
+\registerhyphenationpattern[nl][toma8at5je]
+\stoptyping
+
+That would work oke well for words like
+
+\starttyping
+coëfficiënt
+geïntroduceerd
+copiëren
+omaatje
+tomaatje
+\stoptyping
+
+However, the last word only goes right because we explicitly added a pattern
+for it. One reason is that the existing patterns already contain rules to
+prevent weird hyphenations. The same is true for the accented characters. So,
+consider these examples and coordinate additional patterns with other users
+so that errors can be identified.
+
+\stopsection
+
+\startsection[title=Exceptions]
+
+We have a variant on the \TEX\ primitive \type {\hyphenation}, the official way
+to register a specific way to hyphenate a word.
+
+\startbuffer
+\registerhyphenationexception[aaaaa-bbbbb]
+aaaaabbbbb \par
+\stopbuffer
+
+\typebuffer
+
+\noindentation This code is self explaining and results in:
+
+\blank
+
+\starthyphenation[traditional]
+\setupindenting[no]\hsize 1mm \lefthyphenmin 1 \righthyphenmin 1 \getbuffer
+\stophyphenation
+
+\noindentation There can be multiple hyphens and even multiple words in such a
+specification:
+
+\startbuffer
+\registerhyphenationexception[aaaaa-bbbbb cc-ccc-ddd-dd]
+aaaaabbbbb \par
+cccccddddd \par
+\stopbuffer
+
+\typebuffer
+
+\noindentation We get:
+
+\blank
+
+\starthyphenation[traditional]
+\setupindenting[no]\hsize 1mm \lefthyphenmin 1 \righthyphenmin 1 \getbuffer
+\stophyphenation
+
+
+\stopsection
+
+\startsection[title=Boundaries]
+
+A box, rule, math or discretionary will end a word and prohibit hyphenation
+of that word. Take this example:
+
+\startbuffer[demo]
+whatever \par
+whatever\hbox{!} \par
+\vl whatever\vl \par
+whatever$x$ \par
+whatever-whatever \par
+\stopbuffer
+
+\typebuffer[demo]
+
+These lines will hyphenate differently and in traditional \TEX\ you need to
+insert penalties and|/|or glue to get around it. In the \LUA\ variant we can
+enable that limitation.
+
+\startbuffer
+\definehyphenationfeatures
+  [strict]
+  [rightedge=tex]
+\stopbuffer
+
+\typebuffer \getbuffer
+
+Here we show the three variants: traditional \TEX\ and \LUA\ with and without
+strict settings.
+
+\starttabulate[|p|p|p|]
+\HL
+\NC \ttbf \hbox to 11em{default\hss}
+\NC \ttbf \hbox to 11em{traditional\hss}
+\NC \ttbf \hbox to 11em{traditional strict\hss}
+\NC \NR
+\HL
+\NC \starthyphenation[default]     \hsize1mm \getbuffer[demo] \stophyphenation
+\NC \starthyphenation[traditional] \hsize1mm \getbuffer[demo] \stophyphenation
+\NC \starthyphenation[traditional] \sethyphenationfeatures[strict]
+                                   \hsize1mm \getbuffer[demo] \stophyphenation
+\NC \NR
+\HL
+\stoptabulate
+
+By default \CONTEXT\ is configured to hyphenate words that start with an
+uppercase character. This behaviour is controlled in \TEX\ by the \typ {\uchyph}
+variable. A positive value will enable this and a negative one disables it.
+
+\starttabulate[|p|p|p|p|]
+\HL
+\NC \ttbf \hbox to 8em{default     0\hss}
+\NC \ttbf \hbox to 8em{default     1\hss}
+\NC \ttbf \hbox to 8em{traditional 0\hss}
+\NC \ttbf \hbox to 8em{traditional 1\hss}
+\NC \NR
+\HL
+\NC \starthyphenation[default]     \hsize1mm \uchyph\zerocount TEXified \dontcomplain \stophyphenation
+\NC \starthyphenation[traditional] \hsize1mm \uchyph\zerocount TEXified \dontcomplain \stophyphenation
+\NC \starthyphenation[default]     \hsize1mm \uchyph\plusone   TEXified \dontcomplain \stophyphenation
+\NC \starthyphenation[traditional] \hsize1mm \uchyph\plusone   TEXified \dontcomplain \stophyphenation
+\NC \NR
+\HL
+\stoptabulate
+
+The \LUA\ variants behaves the same as the built-in implementation (that of course
+remains the reference).
+
+\stopsection
+
+\startsection[title=Plug-ins]
+
+The default hyphenator is similar to the built-in one, with a couple of
+extensions as mentioned. However, you can plug in your own code, given that it
+does return a proper hyphenation result. One reason for providing this plug is
+that there are users who want to play with hyphenators based  on a different
+logic. In \CONTEXT\ we already have some methods to deal with languages that
+(for instance) have no spaces but split on words or syllabes. A more tight
+integration with the hyphenator can have advantages so I will explore these
+options when there is demand.
+
+A result table indicates where we can break a word. If we have a four character
+word and can break after the second character, the result looks like this:
+
+\starttyping
+result = { false, true, false, false }
+\stoptyping
+
+Instead of \type {true} we can also have a table that has entries like the
+extensions discussed in a previous section. Let's give an example of a
+plug-in.
+
+\startbuffer
+\startluacode
+    local subset = {
+        a = true,
+        e = true,
+        i = true,
+        o = true,
+        u = true,
+        y = true,
+    }
+
+    languages.hyphenators.traditional.installmethod("test",
+        function(dictionary,word,n)
+            local t = { }
+            for i=1,#word do
+                local w = word[i]
+                if subset[w] then
+                    t[i] = {
+                        before = "<" .. w,
+                        after  = w .. ">",
+                        left   = false,
+                        right  = false,
+                    }
+                else
+                    t[i] = false
+                end
+            end
+            return t
+        end
+    )
+\stopluacode
+\stopbuffer
+
+\typebuffer \getbuffer
+
+Here we hyphenate on vowels and surround them by angle brackets when
+split over lines. This alternative is installed as follows:
+
+\startbuffer
+\definehyphenationfeatures
+  [demo]
+  [alternative=test]
+\stopbuffer
+
+\typebuffer \getbuffer
+
+We can now use it as follows:
+
+\starttyping
+\setuphyphenation[method=traditional]
+\sethyphenationfeatures[demo]
+\stoptyping
+
+When applied to one the tufte example we get:
+
+\startbuffer[demo]
+\starthyphenation[traditional]
+    \setuptolerance[tolerant]
+    \sethyphenationfeatures[demo]
+    \noindentation % \dontleavehmode
+    \input tufte\relax
+\stophyphenation
+\stopbuffer
+
+\blank \startnarrower \getbuffer[demo] \stopnarrower \blank
+
+A more realistic (but not perfect) example is the following:
+
+\startbuffer
+\startluacode
+    local packslashes = false
+
+    local specials = {
+        ["!"]  = "before", ["?"]  = "before",
+        ['"']  = "before", ["'"]  = "before",
+        ["/"]  = "before", ["\\"] = "before",
+        ["#"]  = "before",
+        ["$"]  = "before",
+        ["%"]  = "before",
+        ["&"]  = "before",
+        ["*"]  = "before",
+        ["+"]  = "before", ["-"]  = "before",
+        [","]  = "before", ["."]  = "before",
+        [":"]  = "before", [";"]  = "before",
+        ["<"]  = "before", [">"]  = "before",
+        ["="]  = "before",
+        ["@"]  = "before",
+        ["("]  = "before",
+        ["["]  = "before",
+        ["{"]  = "before",
+        ["^"]  = "before", ["_"]  = "before",
+        ["`"]  = "before",
+        ["|"]  = "before",
+        ["~"]  = "before",
+        --
+        [")"]  = "after",
+        ["]"]  = "after",
+        ["}"]  = "after",
+    }
+
+    languages.hyphenators.traditional.installmethod("url",
+        function(dictionary,word,n)
+            local t = { }
+            local p = nil
+            for i=1,#word do
+                local w = word[i]
+                local s = specials[w]
+                if s == "after" then
+                    s = {
+                        start  = 1,
+                        length = 1,
+                        after  = w,
+                        left   = false,
+                        right  = false,
+                    }
+                    specials[w] = s
+                elseif s == "before" then
+                    s = {
+                        start  = 1,
+                        length = 1,
+                        before = w,
+                        left   = false,
+                        right  = false,
+                    }
+                    specials[w] = s
+                end
+                if not s then
+                    s = false
+                elseif w == p and w == "/" then
+                    t[i-1] = false
+                end
+                t[i] = s
+                if packslashes then
+                    p = w
+                end
+            end
+            return t
+        end
+    )
+\stopluacode
+\stopbuffer
+
+\typebuffer \getbuffer
+
+Again we define a plug:
+
+\startbuffer
+\definehyphenationfeatures
+  [url]
+  [characters=all,
+   alternative=url]
+\stopbuffer
+
+\typebuffer \getbuffer
+
+So, we only break a line after symbols.
+
+\startlinecorrection[blank]
+    \starthyphenation[traditional]
+        \tt
+        \sethyphenationfeatures[url]
+        \scale[width=\hsize]{\hyphenatedcoloredword{http://www.pragma-ade.nl}}
+    \stophyphenation
+\stoplinecorrection
+
+\noindentation A quick test can look as follows:
+
+\startbuffer
+\starthyphenation[traditional]
+    \sethyphenationfeatures[url]
+    \tt
+    \dontcomplain
+    \hsize 1mm
+    http://www.pragma-ade.nl
+\stophyphenation
+\stopbuffer
+
+\typebuffer
+
+Or:
+
+\getbuffer
+
+\stopsection
+
+\startsection[title=Blocking ligatures]
+
+Yet another predefined feature is the ability to block a ligature. In
+traditional \TEX\ this can be done by putting a \type {{}} between
+the characters, although that effect can get lost when the text is
+manipulated. The natural way to do this in a \UNICODE\ environment
+is to use the special characters \type {zwj} and \type {zwnj}.
+
+We use the following example lines:
+
+\startbuffer[sample]
+supereffective \blank
+superef\zwnj fective
+\stopbuffer
+
+\typebuffer[sample]
+
+\noindentation and define two featuresets:
+
+\startbuffer
+\definehyphenationfeatures
+  [demo-1]
+  [characters=\zwnj\zwj,
+   joiners=yes]
+
+\definehyphenationfeatures
+  [demo-2]
+  [joiners=no]
+\stopbuffer
+
+\typebuffer \getbuffer
+
+\noindentation We limit the width to 1mm and get:
+
+\startlinecorrection[blank]
+\bTABLE[option=stretch,offset=.5ex]
+    \bTR
+        \bTD \tx
+            \type{method=default}
+        \eTD
+        \bTD \tx
+            \type{method=traditional}
+        \eTD
+        \bTD \tx
+            \type{method=traditional}\par
+            \type{featureset=demo-1}
+        \eTD
+        \bTD \tx
+            \type{method=traditional}\par
+            \type{featureset=demo-2}
+        \eTD
+    \eTR
+    \bTR
+        \bTD
+            \hsize 1mm \dontcomplain
+            \starthyphenation[default]
+                \getbuffer[sample]
+            \stophyphenation
+        \eTD
+        \bTD
+            \hsize 1mm \dontcomplain
+            \starthyphenation[traditional]
+                \getbuffer[sample]
+            \stophyphenation
+        \eTD
+        \bTD
+            \hsize 1mm \dontcomplain
+            \starthyphenation[traditional]
+                \sethyphenationfeatures[demo-1]
+                \getbuffer[sample]
+            \stophyphenation
+        \eTD
+        \bTD
+            \hsize 1mm \dontcomplain
+            \starthyphenation[traditional]
+                \sethyphenationfeatures[demo-2]
+                \getbuffer[sample]
+            \stophyphenation
+        \eTD
+    \eTR
+\eTABLE
+\stoplinecorrection
+
+\stopsection
+
+\startsection[title=Special characters]
+
+The \type {characters} example can be used (to some extend) to do the
+same as the breakpoints mechanism (compounds).
+
+\startbuffer
+\definehyphenationfeatures
+  [demo-3]
+  [characters={()[]}]
+\stopbuffer
+
+\typebuffer \blank \getbuffer \blank
+
+\startbuffer[demo]
+\starthyphenation[traditional]
+    \sethyphenationfeatures[demo-3]
+    \dontcomplain
+    \hsize 1mm \noindentation
+    we use (super)special(ized) patterns
+\stophyphenation
+\stopbuffer
+
+\typebuffer[demo] \blank \getbuffer[demo] \blank
+
+We can make this more clever by adding patterns:
+
+\startbuffer
+\registerhyphenationpattern[en][)9]
+\registerhyphenationpattern[en][9(]
+\stopbuffer
+
+\typebuffer \blank \getbuffer \blank
+
+\noindentation This gives:
+
+\blank \getbuffer[demo] \blank
+
+\noindentation A detailed trace shows that these patterns get applied:
+
+\starthyphenation[traditional]
+    \ttx
+    \showhyphenationtrace[en][(super)special(ized)]
+\stophyphenation
+
+\unregisterhyphenationpattern[en][)9]
+\unregisterhyphenationpattern[en][9(]
+
+\noindentation The somewhat weird hyphens at the edges will in practice not show
+up because there is always one regular character there.
+
+\stopsection
+
+\startsection[title=Tracing]
+
+Among the tracing options (low level trackers) there is one for pattern developers:
+
+\startbuffer
+\usemodule[s-languages-hyphenation]
+
+\startcomparepatterns[de,nl,en,fr]
+    \input zapf \quad (\showcomparepatternslegend)
+\stopcomparepatterns
+\stopbuffer
+
+\typebuffer
+
+The different hyphenation points are shown with colored bars. Some valid points
+might not be shown because the font engine can collapse successive
+discretionaries.
+
+\getbuffer
+
+\stopsection
+
+\stopchapter
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/languages/languages-introduction.tex b/Master/texmf-dist/doc/context/sources/general/manuals/languages/languages-introduction.tex
new file mode 100644
index 00000000000..25bbb1a90e5
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/languages/languages-introduction.tex
@@ -0,0 +1,69 @@
+% language=uk
+
+\startcomponent languages-introduction
+
+\environment languages-environment
+
+\startchapter[title=Introduction][color=darkgray]
+
+This document describes an important property of the \TEX\ typesetting system and
+\CONTEXT\ in particular: the ability to deal with different languages at the same
+time. With languages we refer to natural languages. So, we're not going to
+discuss the \TEX\ language itself, not \METAPOST, nor \LUA.
+
+The original application of \TEX\ was English that uses the Latin script. The
+fonts that came with \TEX\ were suitable for that usage. When lines became too
+long they could be hyphenated using so called hyphenation patterns. Due to the
+implementation for many years there was a close relationship between fonts and
+hyphenation. Although at some point many more languages and scripts were
+supported, it was only when the \UNICODE\ aware variants showed up that
+hyphenation and fonts were decoupled. This makes it much more easier to mix
+languages that use different scripts. Although Greek, Cyrillic, Arabic, Chinese,
+Japanese, Korean and other languages have been supported for a while using
+(sometimes dirty) tricks, we now have cleaner implementations.
+
+We can hyphenate words in all languages (and scripts) that have a need for it,
+that is, split it at the end of a line and add a symbol before and|/|or after the
+break. The way words are broken into parts is called hyphenation and so called
+patterns are used to achieve that goal. The way these patterns are constructed
+and applied was part of the research related to \TEX\ development. The method
+used is also applied in other programs and is probably one of the few popular
+ways to deal with hyphenation. There have been ideas about extensions that cover
+the demands of certain languages but so far nothing better has shown up. In the
+end \TEX\ does a pretty decent job and more advanced tricks don't necessarily
+lead to better results.
+
+Hyphenation is driven by a language number and that's about it. This means that
+one cannot claim that \TEX\ in its raw form supports languages, other than that
+it can hyphenate and use fonts that provide the glyphs. It's upto a macro package
+to wrap this into a mechanism that provides the user an interface. So, when we
+speak about language support, hyphenation is only one aspect. Labels, like the
+\type {figure} in {\em figure~1.2} need to adapt to the main document language.
+When dates are shown they can be language specific. Scientific units and math
+function names can also be subjected to translation. Registers and other lists
+have to be sorted according to specific rules. Spacing dan differ per language.
+
+In this manual we will cover some of functionality in \CONTEXT\ \MKIV\ that
+relates to languages (and scripts). This manual is a compliment to other manuals,
+articles and documentation. Here we mostly focus on the language aspects. Some of
+the content (or maybe most) might looks alien and complex to you. This is because
+one purpose of this manual is to provide a place to wrap up some aspects of
+\CONTEXT. If you're not interested in that, just stick to the more general
+manuals that also cover language aspects.
+
+\startnotabene
+    This document is still under construction. The functionality discussed here
+    will stay and more might show up. Of course there are errors, and they're all
+    mine. The text is not checked for spelling errors. Feel free to let me know
+    what should get added.
+\stopnotabene
+
+\startlines
+Hans Hagen
+PRAGMA ADE, Hasselt NL
+2013 \emdash\ 2016
+\stoplines
+
+\stopchapter
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/languages/languages-labels.tex b/Master/texmf-dist/doc/context/sources/general/manuals/languages/languages-labels.tex
new file mode 100644
index 00000000000..3d1c00c044c
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/languages/languages-labels.tex
@@ -0,0 +1,141 @@
+% language=uk
+
+\environment languages-environment
+
+\startcomponent languages-labels
+
+\startchapter[title=Labels][color=darkcyan]
+
+\startsection[title=Introduction]
+
+When we started using \TEX, I naturally started with plain \TEX. But it didn't
+take long before we tried \LATEX. Because our documents were in Dutch one of the
+first fights with this package was to get rid of the english labels. Because
+rather soon we decided to cook up an alternative package, a decent label
+mechanism was one of the first things to show up. And as soon as multiple
+language typesetting gets into view, such a mechanism becomes one of those
+language dependent features. In this chapter the basics will be covered.
+
+\stopsection
+
+\startsection[title=Defining labels]
+
+Before we define a label we need to define a label class. You probably seldom
+need that but this is how it's done:
+
+\startbuffer
+\definelabelclass [mylabel]
+\stopbuffer
+
+\typebuffer \getbuffer
+
+There are some classes predefined:
+
+\starttabulate[|lB|l|]
+    \NC head      \NC (complete) titles like \headtext {chapter} and \headtext {figure} \NC \NR
+    \NC label     \NC in||text labels like \labeltext {chapter} and \labeltext {figure} \NC \NR
+    \NC mathlabel \NC function names like \mathlabeltext{sin} and \mathlabeltext{cos} \NC \NR
+    \NC taglabel  \NC labels used for tagging purposed in the backend \NC \NR
+    \NC btxlabel  \NC labels used in typesetting bibliographic items \NC \NR
+\stoptabulate
+
+The physical units mechanism also uses labels: unit, operator, prefix and suffix.
+All these labels are defined per language with a fall back on english.
+
+Given that we have defined class \type {mylabel}, a label itself is set like
+this:
+
+\startbuffer
+\setupmylabeltext
+  [en]
+  [first={<after first},
+   second={{before second>},{<after second}}]
+\stopbuffer
+
+\typebuffer \getbuffer
+
+The first argument (the language) is optional. In the next section we will see
+how these labels are used. A lot of labels are predefined, in \MKIV\ this happens
+in the file \type {lang-txt.lua}. There is no need to adapt this file as you can
+always add labels run time.
+
+\stopsection
+
+\startsection[title=Using labels]
+
+How a label is called depends on the way it needs to be used. In any case the
+main language set determines the language of the label. So, when in an Dutch text
+we temporary switch to German, the Dutch labels are used.
+
+\startbuffer
+\starttabulate[||||]
+    \NC  \bf command                         \NC \ttbf first                    \NC \ttbf {second}                  \NC \NR
+    \HL
+    \NC \type {\leftmylabeltext {tag}}       \NC \leftmylabeltext {first}       \NC \leftmylabeltext {second}       \NC \NR
+    \NC \type {\rightmylabeltext{tag}}       \NC \rightmylabeltext{first}       \NC \rightmylabeltext{second}       \NC \NR
+    \NC \type {\mylabeltext     {tag}}       \NC \mylabeltext     {first}       \NC \mylabeltext     {second}       \NC \NR
+    \NC \type {\mylabeltexts    {tag}{text}} \NC \mylabeltexts    {first}{text} \NC \mylabeltexts    {second}{text} \NC \NR
+\stoptabulate
+\stopbuffer
+
+\getbuffer
+
+\stopsection
+
+\startsection[title=Hooks]
+
+Some mechanisms have label support built in, most noticeably sections
+heads and numbered items, like figure captions.
+
+\startbuffer
+\definehead
+  [myhead]
+  [subsection]
+
+\setuphead
+  [myhead]
+  [bodypartlabel=bodypartmyhead]
+
+\setuplabeltext
+  [en]
+  [bodypartmyhead=My Head: ]
+
+\myhead{Welcome}
+\stopbuffer
+
+\typebuffer \getbuffer
+
+The head text label class can be used as follows:
+
+\startbuffer
+\setupheadtext
+  [SomeHead=Just A Title]
+
+\subsection
+  [title=\headtext{SomeHead}]
+\stopbuffer
+
+\typebuffer \getbuffer
+
+A label will obey the style settings, as in:
+
+\startbuffer
+\definehead
+  [MyFancyHead]
+  [subsection]
+  [style={\bs\setcharactercasing[Words]}]
+
+\setupheadtext
+  [SomeHead=just another title]
+
+\MyFancyHead
+  [title=\headtext{SomeHead}]
+\stopbuffer
+
+\typebuffer \getbuffer
+
+\stopsection
+
+\stopchapter
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/languages/languages-mkiv.tex b/Master/texmf-dist/doc/context/sources/general/manuals/languages/languages-mkiv.tex
new file mode 100644
index 00000000000..dbf9875e16b
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/languages/languages-mkiv.tex
@@ -0,0 +1,38 @@
+\enablemode[simple] % ,oversized
+
+\startproduct languages-mkiv
+
+\environment languages-environment
+
+\setupbackgrounds[page][background=]
+
+\component languages-cover
+
+% \startcovermatter
+
+\page[dummy] \setupbackgrounds[page][background=page] \resetuserpagenumber
+
+% \stopcovermatter
+
+\startfrontmatter
+    \component languages-contents
+    \component languages-introduction
+\stopfrontmatter
+
+\startbodymatter
+    \component languages-basics
+    \component languages-hyphenation
+    \component languages-labels
+    \component languages-numbering
+    \component languages-typesetting
+    \component languages-goodies
+    \component languages-sorting
+\stopbodymatter
+
+\startappendices
+    \component languages-appendix
+\stopappendices
+
+\component languages-back
+
+\stopproduct
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/languages/languages-numbering.tex b/Master/texmf-dist/doc/context/sources/general/manuals/languages/languages-numbering.tex
new file mode 100644
index 00000000000..510f5103486
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/languages/languages-numbering.tex
@@ -0,0 +1,295 @@
+% language=uk
+
+\environment languages-environment
+
+\startcomponent languages-numbering
+
+\startchapter[title=Numbering][color=darkgreen]
+
+\startsection[title=Introduction]
+
+Numbering is complex and in \CONTEXT\ it's not easy either. This is because we
+not only have 1, 2, 3 \unknown\ but also sub numbers like 1a, 1b, 1ic \unknown\
+or 1.a, 1.b, 1.c \unknown\ There can be many levels, different separators, final
+symbols. As we're talking languages we only discuss conversion here: the
+mechanism that turns a number in for instance a letter. It happens that the
+mapping from a number onto a letter is language dependent. The next lines show
+how English, Spanish and Slovenian numbers:
+
+\blank
+\startpacked
+\startcolor[maincolor]
+\noindentation\dontleavehmode
+    {\ttbf\mainlanguage[en]\dorecurse{28}
+        {\hbox to 1.5em{\convertnumber{alphabetic}{#1}\hss}}}\par
+\noindentation\dontleavehmode
+    {\ttbf\mainlanguage[es]\dorecurse{28}
+        {\hbox to 1.5em{\convertnumber{alphabetic}{#1}\hss}}}\par
+\noindentation\dontleavehmode
+    {\ttbf\mainlanguage[sl]\dorecurse{28}
+        {\hbox to 1.5em{\convertnumber{alphabetic}{#1}\hss}}}\par
+\stopcolor
+\stoppacked
+\blank
+
+You convert a number into a letter with:
+
+\starttyping
+\convertnumber{alphabetic}{15}
+\stoptyping
+
+There is also \type {\uconvertnumber} which does not expand unless typesetting
+is going on. Normally you don't need to bother about this.
+
+The \type {alphabetic} converter adapts to the current main language. When a
+language has no special alphabet, the regular 26 characters are used.
+
+A converter can also convert to a roman numeral, a language specific ordered
+list, a day or month, an ordinal string and again there can be a language
+specific conversion. The general conversion macro takes a conversion name and
+a number. When a conversion can be set (for instance in an itemized list, or in
+section numbering) you can use these names. You can define additional
+converters if needed, as long as the converter can handle a number.
+
+\starttyping
+\defineconversion [alphabetic] [\alphabeticnumerals]
+\stoptyping
+
+Here \type {\alphabeticnumerals} is a converter. If you look into the source of
+\CONTEXT\ you will see that many converters are calling out to \LUA, where we
+have implemented those specific conversions. The following table has long and
+short names. The short one are historic.
+
+\starttabulate
+\FL
+\NC month                          \NC \type {\monthlong}                 \NC \NR
+\NC month:mnem                     \NC \type {\monthshort}                \NC \NR
+\ML
+\NC character                      \NC \type {\character}                 \NC \NR
+\NC Character                      \NC \type {\Character}                 \NC \NR
+\NC characters                     \NC \type {\characters}                \NC \NR
+\NC Characters                     \NC \type {\Characters}                \NC \NR
+\ML
+\NC AK                             \NC \type {\smallcappedcharacters}     \NC \NR
+\NC KA                             \NC \type {\smallcappedcharacters}     \NC \NR
+\ML
+\NC alphabetic a                   \NC \type {\alphabeticnumerals}        \NC \NR
+\NC Alphabetic A                   \NC \type {\Alphabeticnumerals}        \NC \NR
+\ML
+\NC number numbers n               \NC \type {\numbers}                   \NC \NR
+\NC Numbers N                      \NC \type {\Numbers}                   \NC \NR
+\NC mediaeval m                    \NC \type {\mediaeval}                 \NC \NR
+\ML
+\NC word words                     \NC \type {\verbosenumber}             \NC \NR
+\NC Word Words                     \NC \type {\VerboseNumber}             \NC \NR
+\ML
+\NC ordinal                        \NC \type {\ordinalnumber}             \NC \NR
+\NC Ordinal                        \NC \type {\Ordinalnumber}             \NC \NR
+\ML
+\NC romannumerals i r              \NC \type {\romannumerals}             \NC \NR
+\NC Romannumerals I R              \NC \type {\Romannumerals}             \NC \NR
+\ML
+\NC o                              \NC \type {\oldstylenumerals}          \NC \NR
+\NC O                              \NC \type {\oldstylenumerals}          \NC \NR
+\NC or                             \NC \type {\oldstyleromannumerals}     \NC \NR
+\ML
+\NC KR                             \NC \type {\smallcappedromannumerals}  \NC \NR
+\NC RK                             \NC \type {\smallcappedromannumerals}  \NC \NR
+\ML
+\NC greek g                        \NC \type {\greeknumerals}             \NC \NR
+\NC Greek G                        \NC \type {\Greeknumerals}             \NC \NR
+\NC mathgreek                      \NC \type {\mathgreek}                 \NC \NR
+\ML
+\NC abjadnumerals                  \NC \type {\abjadnumerals}             \NC \NR
+\NC abjadnodotnumerals             \NC \type {\abjadnodotnumerals}        \NC \NR
+\NC abjadnaivenumerals             \NC \type {\abjadnaivenumerals}        \NC \NR
+\ML
+\NC thainumerals                   \NC \type {\thainumerals}              \NC \NR
+\NC devanagarinumerals             \NC \type {\devanagarinumerals}        \NC \NR
+\NC gurmurkhinumerals              \NC \type {\gurmurkhinumerals}         \NC \NR
+\NC gujaratinumerals               \NC \type {\gujaratinumerals}          \NC \NR
+\NC tibetannumerals                \NC \type {\tibetannumerals}           \NC \NR
+\NC greeknumerals                  \NC \type {\greeknumerals}             \NC \NR
+\NC Greeknumerals                  \NC \type {\Greeknumerals}             \NC \NR
+\NC arabicnumerals                 \NC \type {\arabicnumerals}            \NC \NR
+\NC persiannumerals                \NC \type {\persiannumerals}           \NC \NR
+\NC arabicexnumerals               \NC \type {\arabicexnumerals}          \NC \NR
+\NC arabicdecimals                 \NC \type {\arabicdecimals}            \NC \NR
+\NC persiandecimals                \NC \type {\persiandecimals}           \NC \NR
+\ML
+\NC koreannumerals kr              \NC \type {\koreannumerals}            \NC \NR
+\NC koreanparenthesisnumerals kr-p \NC \type {\koreanparenthesisnumerals} \NC \NR
+\NC koreancirclenumerals kr-c      \NC \type {\koreancirclenumerals}      \NC \NR
+\ML
+\NC chinesenumerals cn             \NC \type {\chinesenumerals}           \NC \NR
+\NC chinesecapnumerals cn-c        \NC \type {\chinesecapnumerals}        \NC \NR
+\NC chineseallnumerals cn-a        \NC \type {\chineseallnumerals}        \NC \NR
+\ML
+\NC sloveniannumerals              \NC \type {\sloveniannumerals}         \NC \NR
+\NC slovenianNumerals              \NC \type {\slovenianNumerals}         \NC \NR
+\ML
+\NC spanishnumerals                \NC \type {\spanishnumerals}           \NC \NR
+\NC spanishNumerals                \NC \type {\spanishNumerals}           \NC \NR
+\LR
+\stoptabulate
+
+The \type {alphabetic} and \type {Alphabetic} converters adapt to slovenian and
+spanish as do their small capped alternatives. There are more general helpers for it
+too:
+
+\starttyping
+\languagecharacters{number}
+\languageCharacters{number}
+\stoptyping
+
+Also language related is the \type {\continuednumber} macro. Here we see an
+application:
+
+\startbuffer
+1 \continuednumber{1}
+1, 2 \continuednumber{2}
+1, 2, 3 \continuednumber{3}
+\stopbuffer
+
+\typebuffer
+
+\noindentation What renders as:
+
+\startlines[color=maincolor]
+\getbuffer
+\stoplines
+
+Such a macro is typically used in combination with counters ant it just typesets
+a label text depending on the valu ebeing non|-|zero.
+
+\startbuffer
+\setuplabeltext[en][continued={and so on}]
+1, 2, 3 \continuednumber{3}
+1, 2, 3 \convertnumber{continued}{3}
+\stopbuffer
+
+\typebuffer
+
+\noindentation This gives:
+
+\startlines[color=maincolor]
+\getbuffer
+\stoplines
+
+In the rare case that you want to check if a conversion is defined you can use
+
+\starttyping
+\doifelseconversiondefined{name}{true}{false}
+\stoptyping
+
+So,
+
+\startbuffer
+\doifelseconversiondefined{characters}{we can convert}{forget about it}
+\stopbuffer
+
+\typebuffer
+
+\noindentation Gives:
+
+\startlines[color=maincolor]
+\getbuffer
+\stoplines
+
+There are also some non language related converters that we mention here for
+completeness:
+
+\blank
+\noindentation\type {set 0}: \startcolor[maincolor]\dorecurse{20}{\convertnumber{set 0}{#1} }\stopcolor\par
+\noindentation\type {set 1}: \startcolor[maincolor]\dorecurse{20}{\convertnumber{set 1}{#1} }\stopcolor\par
+\noindentation\type {set 2}: \startcolor[maincolor]\dorecurse{20}{\convertnumber{set 2}{#1} }\stopcolor\par
+\noindentation\type {set 3}: \startcolor[maincolor]\dorecurse{20}{\convertnumber{set 3}{#1} }\stopcolor\par
+\blank
+
+When a set overruns we start again at the first element.
+
+\noindentation The ordinal converter produces output like \color [maincolor]
+{\convertnumber {ordinal}{123}} and \color [maincolor] {\convertnumber
+{ordinal}{654}}. The corresponding string renderer is \type {\highordinalstr}.
+
+% quite limited currently op not documented here:
+%
+% \wordtonumber{two}{3}
+% \wordtonumber{fivethousand}{unknown}
+
+\stopsection
+
+\startsection[title=Dates]
+
+Dates are also language dependent. The following macros take a number and return
+the name of the month or day.
+
+\starttabulate
+\NC \type {\monthlong } \NC \monthlong {10} \NC \NR
+\NC \type {\monthshort} \NC \monthshort{10} \NC \NR
+\NC \type {\MONTH     } \NC \MONTH     {10} \NC \NR
+\NC \type {\MONTHLONG } \NC \MONTHLONG {10} \NC \NR
+\NC \type {\MONTHSHORT} \NC \MONTHSHORT{10} \NC \NR
+\NC \type {\weekday   } \NC \weekday   {5}  \NC \NR
+\NC \type {\WEEKDAY   } \NC \WEEKDAY   {5}  \NC \NR
+\stoptabulate
+
+The current date can be typeset with \type {\currentdate} and a
+specific date with \type {\date}, for instance:
+
+\startbuffer
+\currentdate[weekday,day,month,year]
+\currentdate[WEEKDAY,day,MONTH,year]
+\date[d=12,m=12,y=1998][weekday]
+\date[d=12,m=12,y=1998]
+\stopbuffer
+
+\typebuffer
+
+\startlines[color=maincolor]
+\getbuffer
+\stoplines
+
+\noindentation Possible elements of the specification are:
+
+\starttabulate
+\FL
+\NC + ord      \NC ordinal suffix \NC \NR
+\NC ++ highord \NC high ordinal suffix \NC \NR
+\ML
+\NC mnem:      \NC mnemonic prefix \NC \NR
+\ML
+\NC Y y year   \NC year 4 digits \NC \NR
+\NC yy         \NC year 2 digits \NC \NR
+\ML
+\NC M          \NC month 1 or 2 digits \NC \NR
+\NC mm         \NC month 2 digits \NC \NR
+\ML
+\NC D          \NC day 1 or 2 digits \NC \NR
+\NC dd         \NC day 2 digits \NC \NR
+\ML
+\NC W          \NC 1 digit \NC \NR
+\ML
+\NC month m    \NC language dependent (can be mnemonic) \NC \NR
+\NC day d      \NC language dependent \NC \NR
+\NC weekday w  \NC language dependent \NC \NR
+\ML
+\NC MONTH      \NC month uppercased \NC \NR
+\NC WEEKDAY    \NC weekday uppercased \NC \NR
+\ML
+\NC referral   \NC YYYMMDD \NC \NR
+\ML
+\NC space \\   \NC space \NC \NR
+\NC <word>     \NC word \NC \NR
+\LL
+\stoptabulate
+
+\stopsection
+
+% \startsection[title=Counters]
+%
+% \stopsection
+
+\stopchapter
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/languages/languages-sorting.tex b/Master/texmf-dist/doc/context/sources/general/manuals/languages/languages-sorting.tex
new file mode 100644
index 00000000000..abf7b292cd0
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/languages/languages-sorting.tex
@@ -0,0 +1,235 @@
+% language=uk
+
+\environment languages-environment
+
+\startcomponent languages-sorting
+
+\startchapter[title=Sorting][color=darkblue]
+
+\startsection[title=Introduction]
+
+Sorting is complex, not so much for English, Dutch, German, etc. only texts but
+there are languages and scripts that are more demanding. There are several
+complications:
+
+\startitemize
+
+    \startitem
+        There can be characters that have accents, like à, á, â, ã, ä
+        \unknown\ that have a base shape a and in an index these often end up
+        close to each other. The order can differ per language.
+    \stopitem
+
+    \startitem
+        There are upper and lowercase words and there can be different
+        expectations to them being mixed or separated.
+    \stopitem
+    \startitem
+        Some scripts have characters that are combinations, like Æ, and
+        one might want to see them as one character or two, in which the
+        second one obeys the sorting order. The shape can dominate here.
+    \stopitem
+    \startitem
+        Some scripts, like Japanese, are a combination of several scripts
+        and sorting then depends on normalization.
+    \stopitem
+    \startitem
+        When there are many glyphs, like in Chinese, the order can depend
+        on the complexity of the glyph and when we're lucky that order is
+        reflected in the numeric character order.
+    \stopitem
+\stopitemize
+
+Often the rules are somewhat strict and one can doubt of the same rules would
+have been imposed if computers had been developed earlier. Given discussions one
+can doubt if the rules are really consistent or just there because someone (or a
+group) with influence set the standard (not so much different from grammar). So,
+if we deal with sorting, we do that in such a way that users can (to some extend)
+influence the outcome. After all, one important aspect of typesetting and
+organizing content is that the users gets the feeling of control and a diversion
+from a standard can be part of that. The reader will often not notice these
+details. In the next sections we will explore the way sorting is done in
+\CONTEXT. The method evolved over a few decades. In \MKII\ sorting happened
+between runs and it was just part of the processing of a document that users
+never really saw in action. Sorting just happened and few users will have noticed
+that we moved from a \MODULA\ program to a \PERL\ script and ended up with a
+\RUBY\ script. In fact, there is a \LUA\ replacement but it never got tested well
+because we moved in to \MKIV. There all happens inside the engine using \LUA.
+Some principles stayed the same but we are more flexible now.
+
+\stopsection
+
+\startsection[title=How it works]
+
+How does sorting work out? Take these words:
+
+\startlines
+abracadabra
+abräcàdábra
+àbracádabrä
+ábracadàbra
+äbrácadabrà
+\stoplines
+
+As long as they end up in an order where the reader can find it, we're okay.
+After all we're pretty good in pattern recognition.
+
+There are probably many ways to implement a sorter but the one we uses is more or
+less a follow up on the one we had for over a decade and was the result of an
+evolution based on user demand. It boils down to cleaning up the string in such a
+way that it can be split into meaningful characters. One can argue that we should
+use some kd of standardized sorting method but the problem is that we always have
+to deal with for instance embedded tex commands and mixed content, for instance
+numbers. And users using the same language can have different opinions about the
+rules too.
+
+A word (or sequence of words) is split into characters. Because there can be
+\TEX\ commands in there some cleanup happens beforehand. After that we create
+several lists with numbers that will be compared when sorting two entries.
+
+\startluacode
+
+-- local ignoredoffset     = sorters.constants.ignoredoffset
+-- local replacementoffset = sorters.constants.replacementoffset
+-- local digitsoffset      = sorters.constants.digitsoffset
+-- local digitsmaximum     = sorters.constants.digitsmaximum
+
+local context = context
+
+local utfchar    = utf.char
+local utfyte     = utf.byte
+local concat     = table.concat
+local gsub       = string.gsub
+local formatters = string.formatters
+
+local f_char = formatters["%s"]
+local f_byte = formatters["x%02X"]
+
+local meaning = {
+    ch = "raw character",
+    mm = "minus mapping",
+    zm = "zero  mapping",
+    pm = "plus  mapping",
+    mc = "lowercase - 1",
+    zc = "lowercase",
+    pc = "lowercase + 1",
+    uc = "unicode",
+}
+
+local function show(s,key,bodyfont)
+    local c = s[key]
+    local t = { }
+    for i=1,#c do
+        local ci = c[i]
+        if type(ci) == "string" then
+            t[i] = f_char(ci)
+        else
+            t[i] = f_byte(ci)
+        end
+    end
+    t = concat(t,"~")
+    context.NC() context.maincolor() context(key)
+    context.NC() context.maincolor() context(meaning[key])
+    context.NC() if bodyfont then context.switchtobodyfont{bodyfont} end context(t)
+    context.NC() context.NR()
+end
+
+function document.ShowSortSplit(str,language,bodyfont)
+    sorters.setlanguage(language or "en")
+    local s = sorters.splitters.utf(str)
+    context.starttabulate{ "|Tl|Tlj2|Tp|" }
+        context.FL()
+        context.NC()
+        context.NC() context.maincolor() context(language)
+        context.NC() if bodyfont then context.switchtobodyfont{bodyfont} end context.maincolor() context(str)
+        context.NC() context.NR()
+        context.ML()
+        show(s,"ch",bodyfont)
+        show(s,"uc")
+        show(s,"zc")
+        show(s,"mc")
+        show(s,"pc")
+        show(s,"zm")
+        show(s,"mm")
+        show(s,"pm")
+        context.LL()
+    context.stoptabulate()
+end
+
+\stopluacode
+
+We can best demonstrate this with a few examples. As usual an English language
+example is trivial.
+
+\ctxlua{document.ShowSortSplit("abracadabra","en")}
+
+When we add an uppercase character we get a slightly different outcome:
+
+\ctxlua{document.ShowSortSplit("Abracadabra","en")}
+
+Some characters will be split, like \type {æ}:
+
+\ctxlua{document.ShowSortSplit("æsop","en")}
+
+It gets more complex when langiage specific demands kick in. Compare an English, German
+and Austrian split:
+
+\ctxlua{document.ShowSortSplit("Abräcàdábra","en")}
+\ctxlua{document.ShowSortSplit("Abräcàdábra","de")}
+\ctxlua{document.ShowSortSplit("Abräcàdábra","de-at")}
+
+The way a character gets replaced, like \type {ä} into \type {ae}, is defined in
+\type {sort-lan.lua} using \LUA\ tables. We will not explain all the obscure
+details here; most of the work is already done, so users are not bothered by
+these definitions. And new ones can often be made by copying and adapting an
+existing one.
+
+The sorting itself is specified by a sequence:
+
+\starttabulate[|TlCT{maincolor}|Tl|]
+\NC default \NC zc,pc,zm,pm,uc \NC \NR
+\NC before  \NC mm,mc,uc       \NC \NR
+\NC after   \NC pm,mc,uc       \NC \NR
+\NC first   \NC pc,mm,uc       \NC \NR
+\NC last    \NC mc,mm,uc       \NC \NR
+\stoptabulate
+
+The raw character is what we get after the (language specific) replacement has
+been applied and the unicodes are used when comparing. Lowercasing is done using
+the \UNICODE\ lowercase code, but one can define language specific ones too. The
+plus and minus variants can be used to force lowercase before or after uppercase.
+The mapping is based on an alphabet specification so this can differ per language
+and again we also provide plus and minus values that depend on case. When a
+character has no case we use shapes instead. For instance, the shape of \type
+{à} is \type {a}. Digits are treated special and currently get an offset so that
+they end up last in the sort order.
+
+\defineregister[jindex]
+
+\startbuffer
+ぱあ \jindex{ぱあ}
+ぱー \jindex{ぱー}
+ぱぁ \jindex{ぱぁ}
+\stopbuffer
+
+{\switchtobodyfont[ipaex]\startlines\typebuffer\stoplines}
+
+This three entry index\jindex{ぱあ}\jindex{ぱー}\jindex{ぱぁ} should be sorted in the order:
+{\switchtobodyfont[ipaex]\ruledhbox{ぱー}\enspace\ruledhbox{ぱぁ}\enspace\ruledhbox{ぱあ}}.
+
+{\mainlanguage[jp]\switchtobodyfont[ipaex]\placeregister[jindex][language=jp,n=1,method=default]}
+{\mainlanguage[jp]\switchtobodyfont[ipaex]\placeregister[jindex][language=jp,n=1,method=zm]}
+
+\ctxlua{document.ShowSortSplit("ぱあ","jp","ipaex")}
+\ctxlua{document.ShowSortSplit("ぱー","jp","ipaex")}
+\ctxlua{document.ShowSortSplit("ぱぁ","jp","ipaex")}
+
+{\em To be continued!}
+
+\stopsection
+
+% ぱー $\prec$ ぱぁ $\prec$ ぱあ
+
+\stopchapter
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/lua/lua-mkiv.tex b/Master/texmf-dist/doc/context/sources/general/manuals/lua/lua-mkiv.tex
new file mode 100644
index 00000000000..a6a2b465a22
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/lua/lua-mkiv.tex
@@ -0,0 +1,129 @@
+% language=uk
+
+% author  : Hans Hagen, PRAGMA ADE, NL
+% license : Creative Commons, Attribution-NonCommercial-ShareAlike 3.0 Unported
+
+\usemodule[art-01,abr-02]
+
+\setupbodyfont
+  [10pt]
+
+\definecolor
+  [maincolor]
+  [b=.4]
+
+\usesymbols
+  [cc]
+
+\setuptype
+  [color=maincolor]
+
+\setuptyping
+  [color=maincolor]
+
+\definefont
+  [TitlePageFont]
+  [file:lmmonolt10-bold.otf]
+
+\setuphead
+  [color=maincolor]
+
+\setupinteraction
+  [hidden]
+
+\startdocument
+  [metadata:author=Hans Hagen,
+   metadata:title={Lua, the context libraries},
+   author=Hans Hagen,
+   affiliation=PRAGMA ADE,
+   location=Hasselt NL,
+   title=Lua,
+   subtitle=the context libraries,
+   support=www.contextgarden.net,
+   website=www.pragma-ade.nl]
+
+\startMPpage
+
+    StartPage ;
+
+    numeric w ; w := bbwidth(Page) ;
+    numeric h ; h := bbheight(Page) ;
+
+    fill Page withcolor \MPcolor{maincolor} ;
+
+    draw textext.urt("\TitlePageFont \getvariable{document}{title}")    xsized (0.8w) shifted (.1w,.2h) withcolor .80white ;
+    draw textext.top("\TitlePageFont \getvariable{document}{subtitle}") xsized (0.8w) shifted (.5w,.1h) withcolor .60white ;
+
+    StopPage ;
+
+\stopMPpage
+
+\startsubject[title=Contents]
+
+\placelist[section][alternative=a]
+
+\stopsubject
+
+\startsection[title=Introduction]
+
+Once we started the \LUATEX\ project it didn't take long for \CONTEXT\ to use
+the \LUA\ language extensively. And so, rather soon, a bunch of libraries
+evolved that provided all kind of helpers. Because \LUATEX\ can also act as
+a \LUA\ interpreter, and because we have \type {mtxrun} as script runner
+we can also use some of those libraries outside \CONTEXT. So, for me, a rather
+natural way to run a \LUA\ script is:
+
+\starttyping
+mtxrun --script myscript.lua <optional arguments>
+\stoptyping
+
+The advantage of this approach is that you operate in the same file domain as
+your \TEX\ runs as all file locators are preloaded as well. However, in some
+cases this is not possible, for instance when you run a stock \LUA\ or some
+embedded version. For this we provide an alternative mechanism.
+
+\stopsection
+
+\startsection[title=Making libraries]
+
+In the \CONTEXT\ distribution there is a script called \type {mtxlibs.lua} that
+can create a library for you that has the basic general purpose \CONTEXT\
+libraries on board, as well as whatever more you specify.
+
+\starttyping
+lua mtxlibs.lua --selfmerge  myproject-a-libs.lua
+lua mtxlibs.lua --selfmerge  myproject-b-libs.lua \
+    trac-lmx
+lua mtxlibs.lua --selfmerge  myproject-c-libs.lua \
+    util-sql util-sql-imp-client util-sql-imp-library
+\stoptyping
+
+Here we create three libs. The first one has only the core libraries. You can
+read more about what they provide in the \type {cld-mkiv.pdf} manual. The second
+library includes code for creating web pages. The third variant preloads \SQL\
+support.
+
+You can best run this file in its own directory, in the \CONTEXT\ tree, so that
+it knows where to find the libraries needed. Of course you can put the result
+everywhere you want, preferably alongside your normal scripts. As we merge code,
+this is a rather good way to prevent compatibility issues. After all, some of
+the code might get improved.
+
+You can \type {require("mtxlibs")} directly in which case it will load the core
+libraries runtime. Of course this means that \LUA\ should be able to figure out
+where it can find them.
+
+\stopsection
+
+\startsubject[title={Colofon}]
+
+\starttabulate[|B|p|]
+\NC author    \NC \getvariable{document}{author}, \getvariable{document}{affiliation}, \getvariable{document}{location} \NC \NR
+\NC version   \NC \currentdate \NC \NR
+\NC website   \NC \getvariable{document}{website} \endash\ \getvariable{document}{support} \NC \NR
+\NC copyright \NC \symbol[cc][cc-by-sa-nc] \NC \NR
+\stoptabulate
+
+\stopsubject
+
+\stopdocument
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/luatex/luatex-contents.tex b/Master/texmf-dist/doc/context/sources/general/manuals/luatex/luatex-contents.tex
new file mode 100644
index 00000000000..6d06b3ef082
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/luatex/luatex-contents.tex
@@ -0,0 +1,20 @@
+\environment luatex-style
+\environment luatex-logos
+
+\startcomponent luatex-contents
+
+\starttitle[title=Contents]
+
+\start
+
+    \definecolor[maincolor][black]
+
+    \placelist
+      [chapter,section,subsection]
+      [criterium=text]
+
+\stop
+
+\stoptitle
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/luatex/luatex-enhancements.tex b/Master/texmf-dist/doc/context/sources/general/manuals/luatex/luatex-enhancements.tex
new file mode 100644
index 00000000000..35c27cfb601
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/luatex/luatex-enhancements.tex
@@ -0,0 +1,879 @@
+% language=uk
+
+\environment luatex-style
+\environment luatex-logos
+
+\startcomponent luatex-enhancements
+
+\startchapter[reference=enhancements,title={Basic \TEX\ enhancements}]
+
+\section{Introduction}
+
+From day one, \LUATEX\ has offered extra features compared to the superset of
+\PDFTEX\ and \ALEPH. This has not been limited to the possibility to execute
+\LUA\ code via \type {\directlua}, but \LUATEX\ also adds functionality via new
+\TEX|-|side primitives or extensions to existing ones.
+
+When \LUATEX\ starts up in \quote {iniluatex} mode (\type {luatex -ini}), it
+defines only the primitive commands known by \TEX82 and the one extra command
+\type {\directlua}. As is fitting, a \LUA\ function has to be called to add the
+extra primitives to the user environment. The simplest method to get access to
+all of the new primitive commands is by adding this line to the format generation
+file:
+
+\starttyping
+\directlua { tex.enableprimitives('',tex.extraprimitives()) }
+\stoptyping
+
+But be aware that the curly braces may not have the proper \type {\catcode}
+assigned to them at this early time (giving a \quote {Missing number} error), so
+it may be needed to put these assignments before the above line:
+
+\starttyping
+\catcode `\{=1
+\catcode `\}=2
+\stoptyping
+
+More fine|-|grained primitives control is possible and you can look up the
+details in \in {section} [luaprimitives]. For simplicity's sake, this manual
+assumes that you have executed the \type {\directlua} command as given above.
+
+The startup behaviour documented above is considered stable in the sense that
+there will not be backward|-|incompatible changes any more. We have promoted some
+rather generic \PDFTEX\ primitives to core \LUATEX\ ones, and the ones inherited
+frome \ALEPH\ (\OMEGA) are also promoted. Effectively this means that we now only
+have the \type {tex}, \type {etex} and \type {luatex} sets left.
+
+In \in {Chapter} [modifications] we discuss several primitives that are derived
+from \PDFTEX\ and \ALEPH\ (\OMEGA). Here we stick to real new ones. In the
+chapters on fonts and math we discuss a few more new ones.
+
+\section{Version information}
+
+\subsection {\type {\luatexbanner}, \type {\luatexversion} and \type {\luatexrevision}}
+
+There are three new primitives to test the version of \LUATEX:
+
+\starttabulate[|l|pl|pl|]
+\NC \bf primitive           \NC \bf explanation                           \NC \bf value          \NC \NR
+\NC \type {\luatexbanner}   \NC the banner reported on the command line   \NC \luatexbanner      \NC \NR
+\NC \type {\luatexversion}  \NC a combination of major and minor number   \NC \the\luatexversion \NC \NR
+\NC \type {\luatexrevision} \NC the revision number, the current value is \NC \luatexrevision    \NC \NR
+\stoptabulate
+
+The official \LUATEX\ version is defined as follows:
+
+\startitemize
+\startitem
+    The major version is the integer result of \type {\luatexversion} divided by
+    100. The primitive is an \quote {internal variable}, so you may need to prefix
+    its use with \type {\the} depending on the context.
+\stopitem
+\startitem
+    The minor version is the two-digit result of \type {\luatexversion} modulo 100.
+\stopitem
+\startitem
+    The revision is the given by \type {\luatexrevision}. This primitive expands to
+    a positive integer.
+\stopitem
+\startitem
+    The full version number consists of the major version, minor version and
+    revision, separated by dots.
+\stopitem
+\stopitemize
+
+\subsection{\type {\formatname}}
+
+The \type {\formatname} syntax is identical to \type {\jobname}. In \INITEX, the
+expansion is empty. Otherwise, the expansion is the value that \type {\jobname} had
+during the \INITEX\ run that dumped the currently loaded format. You can use this
+token list to provide your own version info.
+
+\section{\UNICODE\ text support}
+
+\subsection {Extended ranges}
+
+Text input and output is now considered to be \UNICODE\ text, so input characters
+can use the full range of \UNICODE\ ($2^{20}+2^{16}-1 = \hbox{0x10FFFF}$). Later
+chapters will talk of characters and glyphs. Although these are not
+interchangeable, they are closely related. During typesetting, a character is
+always converted to a suitable graphic representation of that character in a
+specific font. However, while processing a list of to|-|be|-|typeset nodes, its
+contents may still be seen as a character. Inside \LUATEX\ there is no clear
+separation between the two concepts. Because the subtype of a glyph node can be
+changed in \LUA\ it is up to the user: subtypes larger than 255 indicate that
+font processing has happened.
+
+A few primitives are affected by this, all in a similar fashion: each of them has
+to accommodate for a larger range of acceptable numbers. For instance, \type
+{\char} now accepts values between~0 and $1{,}114{,}111$. This should not be a
+problem for well|-|behaved input files, but it could create incompatibilities for
+input that would have generated an error when processed by older \TEX|-|based
+engines. The affected commands with an altered initial (left of the equals sign)
+or secondary (right of the equals sign) value are: \type {\char}, \type
+{\lccode}, \type {\uccode}, \type {\catcode}, \type {\sfcode}, \type {\efcode},
+\type {\lpcode}, \type {\rpcode}, \type {\chardef}.
+
+As far as the core engine is concerned, all input and output to text files is
+\UTF-8 encoded. Input files can be pre|-|processed using the \type {reader}
+callback. This will be explained in a later chapter.
+
+Output in byte|-|sized chunks can be achieved by using characters just outside of
+the valid \UNICODE\ range, starting at the value $1{,}114{,}112$ (0x110000). When
+the time comes to print a character $c>=1{,}114{,}112$, \LUATEX\ will actually
+print the single byte corresponding to $c$ minus 1{,}114{,}112.
+
+Output to the terminal uses \type {^^} notation for the lower control range
+($c<32$), with the exception of \type {^^I}, \type {^^J} and \type {^^M}. These
+are considered \quote {safe} and therefore printed as|-|is. You can disable
+escaping with \type {texio.setescape(false)} in which case you get the normal
+characters on the console.
+
+Normalization of the \UNICODE\ input can be handled by a macro package during
+callback processing (this will be explained in \in {section} [iocallback]).
+
+\subsection{\type {\Uchar}}
+
+The expandable command \type {\Uchar} reads a number between~0 and $1{,}114{,}111$
+and expands to the associated \UNICODE\ character.
+
+\section{Extended tables}
+
+All traditional \TEX\ and \ETEX\ registers can be 16-bit numbers. The affected
+commands are:
+
+\startfourcolumns
+\starttyping
+\count
+\dimen
+\skip
+\muskip
+\marks
+\toks
+\countdef
+\dimendef
+\skipdef
+\muskipdef
+\toksdef
+\insert
+\box
+\unhbox
+\unvbox
+\copy
+\unhcopy
+\unvcopy
+\wd
+\ht
+\dp
+\setbox
+\vsplit
+\stoptyping
+\stopfourcolumns
+
+Because font memory management has been rewritten, character properties in fonts
+are no longer shared among fonts instances that originate from the same metric
+file.
+
+\section{Attributes}
+
+\subsection{Attribute registers}
+
+Attributes are a completely new concept in \LUATEX. Syntactically, they behave a
+lot like counters: attributes obey \TEX's nesting stack and can be used after
+\type {\the} etc.\ just like the normal \type {\count} registers.
+
+\startsyntax
+\attribute <16-bit number> <optional equals> <32-bit number>!crlf
+\attributedef <csname> <optional equals> <16-bit number>
+\stopsyntax
+
+Conceptually, an attribute is either \quote {set} or \quote {unset}. Unset
+attributes have a special negative value to indicate that they are unset, that
+value is the lowest legal value: \type {-"7FFFFFFF} in hexadecimal, a.k.a.
+$-2147483647$ in decimal. It follows that the value \type {-"7FFFFFFF} cannot be
+used as a legal attribute value, but you {\it can\/} assign \type {-"7FFFFFFF} to
+\quote {unset} an attribute. All attributes start out in this \quote {unset}
+state in \INITEX.
+
+Attributes can be used as extra counter values, but their usefulness comes mostly
+from the fact that the numbers and values of all \quote {set} attributes are
+attached to all nodes created in their scope. These can then be queried from any
+\LUA\ code that deals with node processing. Further information about how to use
+attributes for node list processing from \LUA\ is given in~\in {chapter}[nodes].
+
+Attributes are stored in a sorted (sparse) linked list that are shared when
+possible. This permits efficient testing and updating.
+
+\subsection{Box attributes}
+
+Nodes typically receive the list of attributes that is in effect when they are
+created. This moment can be quite asynchronous. For example: in paragraph
+building, the individual line boxes are created after the \type {\par} command has
+been processed, so they will receive the list of attributes that is in effect
+then, not the attributes that were in effect in, say, the first or third line of
+the paragraph.
+
+Similar situations happen in \LUATEX\ regularly. A few of the more obvious
+problematic cases are dealt with: the attributes for nodes that are created
+during hyphenation, kerning and ligaturing borrow their attributes from their
+surrounding glyphs, and it is possible to influence box attributes directly.
+
+When you assemble a box in a register, the attributes of the nodes contained in
+the box are unchanged when such a box is placed, unboxed, or copied. In this
+respect attributes act the same as characters that have been converted to
+references to glyphs in fonts. For instance, when you use attributes to implement
+color support, each node carries information about its eventual color. In that
+case, unless you implement mechanisms that deal with it, applying a color to
+already boxed material will have no effect. Keep in mind that this
+incompatibility is mostly due to the fact that separate specials and literals are
+a more unnatural approach to colors than attributes.
+
+It is possible to fine-tune the list of attributes that are applied to a \type
+{hbox}, \type {vbox} or \type {vtop} by the use of the keyword \type {attr}. An
+example:
+
+\starttyping
+\attribute2=5
+\setbox0=\hbox {Hello}
+\setbox2=\hbox attr1=12 attr2=-"7FFFFFFF{Hello}
+\stoptyping
+
+This will set the attribute list of box~2 to $1=12$, and the attributes of box~0
+will be $2=5$. As you can see, assigning the maximum negative value causes an
+attribute to be ignored.
+
+The \type {attr} keyword(s) should come before a \type {to} or \type {spread}, if
+that is also specified.
+
+\section{\LUA\ related primitives}
+
+\subsection{\type {\directlua}}
+
+In order to merge \LUA\ code with \TEX\ input, a few new primitives are needed.
+The primitive \type {\directlua} is used to execute \LUA\ code immediately. The
+syntax is
+
+\startsyntax
+\directlua <general text>!crlf
+\directlua <16-bit number> <general text>
+\stopsyntax
+
+The \syntax {<general text>} is expanded fully, and then fed into the \LUA\
+interpreter. After reading and expansion has been applied to the \syntax
+{<general text>}, the resulting token list is converted to a string as if it was
+displayed using \type {\the\toks}. On the \LUA\ side, each \type {\directlua}
+block is treated as a separate chunk. In such a chunk you can use the \type
+{local} directive to keep your variables from interfering with those used by the
+macro package.
+
+The conversion to and from a token list means that you normally can not use \LUA\
+line comments (starting with \type {--}) within the argument. As there typically
+will be only one \quote {line} the first line comment will run on until the end
+of the input. You will either need to use \TEX|-|style line comments (starting
+with \%), or change the \TEX\ category codes locally. Another possibility is to
+say:
+
+\starttyping
+\begingroup
+\endlinechar=10
+\directlua ...
+\endgroup
+\stoptyping
+
+Then \LUA\ line comments can be used, since \TEX\ does not replace line endings
+with spaces.
+
+Likewise, the \syntax {<16-bit number>} designates a name of a \LUA\ chunk and is
+taken from the \type {lua.name} array (see the documentation of the \type {lua}
+table further in this manual). When a chunk name starts with a \type {@} it will
+be displayed as a file name. This is a side effect of the way \LUA\ implements
+error handling.
+
+The \type {\directlua} command is expandable. Since it passes \LUA\ code to the
+\LUA\ interpreter its expansion from the \TEX\ viewpoint is usually empty.
+However, there are some \LUA\ functions that produce material to be read by \TEX,
+the so called print functions. The most simple use of these is \type
+{tex.print(<string> s)}. The characters of the string \type {s} will be placed on
+the \TEX\ input buffer, that is, \quote {before \TEX's eyes} to be read by \TEX\
+immediately. For example:
+
+\startbuffer
+\count10=20
+a\directlua{tex.print(tex.count[10]+5)}b
+\stopbuffer
+
+\typebuffer
+
+expands to
+
+\getbuffer
+
+Here is another example:
+
+\startbuffer
+$\pi = \directlua{tex.print(math.pi)}$
+\stopbuffer
+
+\typebuffer
+
+will result in
+
+\getbuffer
+
+Note that the expansion of \type {\directlua} is a sequence of characters, not of
+tokens, contrary to all \TEX\ commands. So formally speaking its expansion is
+null, but it places material on a pseudo-file to be immediately read by \TEX, as
+\ETEX's \type {\scantokens}. For a description of print functions look at \in
+{section} [sec:luaprint].
+
+Because the \syntax {<general text>} is a chunk, the normal \LUA\ error handling
+is triggered if there is a problem in the included code. The \LUA\ error messages
+should be clear enough, but the contextual information is still pretty bad.
+Often, you will only see the line number of the right brace at the end of the
+code.
+
+While on the subject of errors: some of the things you can do inside \LUA\ code
+can break up \LUATEX\ pretty bad. If you are not careful while working with the
+node list interface, you may even end up with assertion errors from within the
+\TEX\ portion of the executable.
+
+The behaviour documented in the above subsection is considered stable in the sense
+that there will not be backward-incompatible changes any more.
+
+\subsection{\type {\latelua}}
+
+Contrary to \type {\directlua}, \type {\latelua} stores \LUA\ code in a whatsit
+that will be processed at the time of shipping out. Its intended use is a cross
+between \PDF\ literals (often available as \type {\pdfliteral}) and the
+traditional \TEX\ extension \type {\write}. Within the \LUA\ code you can print
+\PDF\ statements directly to the \PDF\ file via \type {pdf.print}, or you can
+write to other output streams via \type {texio.write} or simply using \LUA\ \IO\
+routines.
+
+\startsyntax
+\latelua <general text>!crlf
+\latelua <16-bit number> <general text>
+\stopsyntax
+
+Expansion of macros in the final \type {<general text>} is delayed until just
+before the whatsit is executed (like in \type {\write}). With regard to \PDF\
+output stream \type {\latelua} behaves as \PDF\ page literals. The \syntax
+{name <general text>} and \syntax {<16-bit number>} behave in the same way as
+they do for \type {\directlua}
+
+\subsection{\type {\luaescapestring}}
+
+This primitive converts a \TEX\ token sequence so that it can be safely used as
+the contents of a \LUA\ string: embedded backslashes, double and single quotes,
+and newlines and carriage returns are escaped. This is done by prepending an
+extra token consisting of a backslash with category code~12, and for the line
+endings, converting them to \type {n} and \type {r} respectively. The token
+sequence is fully expanded.
+
+\startsyntax
+\luaescapestring <general text>
+\stopsyntax
+
+Most often, this command is not actually the best way to deal with the
+differences between the \TEX\ and \LUA. In very short bits of \LUA\
+code it is often not needed, and for longer stretches of \LUA\ code it
+is easier to keep the code in a separate file and load it using \LUA's
+\type {dofile}:
+
+\starttyping
+\directlua { dofile('mysetups.lua') }
+\stoptyping
+
+\subsection{\type {\luafunction}}
+
+The \type {\directlua} commands involves tokenization of its argument (after
+picking up an optional name or number specification). The tokenlist is then
+converted into a string and given to \LUA\ to turn into a function that is
+called. The overhead is rather small but when you use this primitive hundreds of
+thousands of times, it can become noticeable. For this reason there is a variant
+call available: \type {\luafunction}. This command is used as follows:
+
+\starttyping
+\directlua {
+    local t = lua.get_functions_table()
+    t[1] = function() tex.print("!") end
+    t[2] = function() tex.print("?") end
+}
+
+\luafunction1
+\luafunction2
+\stoptyping
+
+Of course the functions can also be defined in a separate file. There is no limit
+on the number of functions apart from normal \LUA\ limitations. Of course there
+is the limitation of no arguments but that would involve parsing and thereby give
+no gain. The function, when called in fact gets one argument, being the index, so
+in the following example the number \type {8} gets typeset.
+
+\starttyping
+\directlua {
+    local t = lua.get_functions_table()
+    t[8] = function(slot) tex.print(slot) end
+}
+\stoptyping
+
+\section {Alignments}
+
+\subsection{\tex {alignmark}}
+
+This primitive duplicates the functionality of \type {#} inside alignment
+preambles.
+
+\subsection{\tex {aligntab}}
+
+This primitive duplicates the functionality of \type {&} inside alignments and
+preambles.
+
+\section{Catcode tables}
+
+Catcode tables are a new feature that allows you to switch to a predefined
+catcode regime in a single statement. You can have a practically unlimited number
+of different tables. This subsystem is backward compatible: if you never use the
+following commands, your document will not notice any difference in behaviour
+compared to traditional \TEX. The contents of each catcode table is independent
+from any other catcode tables, and their contents is stored and retrieved from
+the format file.
+
+\subsection{\type {\catcodetable}}
+
+\startsyntax
+\catcodetable <15-bit number>
+\stopsyntax
+
+The primitive \type {\catcodetable} switches to a different catcode table. Such a
+table has to be previously created using one of the two primitives below, or it
+has to be zero. Table zero is initialized by \INITEX.
+
+\subsection{\type {\initcatcodetable}}
+
+\startsyntax
+\initcatcodetable <15-bit number>
+\stopsyntax
+
+The primitive \type {\initcatcodetable} creates a new table with catcodes identical
+to those defined by \INITEX:
+
+\starttabulate[|r|l|l|l|]
+\NC  0 \NC \tttf \letterbackslash       \NC         \NC \type {escape}       \NC\NR
+\NC  5 \NC \tttf \letterhat\letterhat M \NC return  \NC \type {car_ret}      \NC\NR
+\NC  9 \NC \tttf \letterhat\letterhat @ \NC null    \NC \type {ignore}       \NC\NR
+\NC 10 \NC \tttf <space>                \NC space   \NC \type {spacer}       \NC\NR
+\NC 11 \NC {\tttf a} \endash\ {\tttf z} \NC         \NC \type {letter}       \NC\NR
+\NC 11 \NC {\tttf A} \endash\ {\tttf Z} \NC         \NC \type {letter}       \NC\NR
+\NC 12 \NC everything else              \NC         \NC \type {other}        \NC\NR
+\NC 14 \NC \tttf \letterpercent         \NC         \NC \type {comment}      \NC\NR
+\NC 15 \NC \tttf \letterhat\letterhat ? \NC delete  \NC \type {invalid_char} \NC\NR
+\stoptabulate
+
+The new catcode table is allocated globally: it will not go away after the
+current group has ended. If the supplied number is identical to the currently
+active table, an error is raised.
+
+\subsection{\type {\savecatcodetable}}
+
+\startsyntax
+\savecatcodetable <15-bit number>
+\stopsyntax
+
+\type {\savecatcodetable} copies the current set of catcodes to a new table with
+the requested number. The definitions in this new table are all treated as if
+they were made in the outermost level.
+
+The new table is allocated globally: it will not go away after the current group
+has ended. If the supplied number is the currently active table, an error is
+raised.
+
+\section{Suppressing errors}
+
+\subsection{\type {\suppressfontnotfounderror}}
+
+\startsyntax
+\suppressfontnotfounderror = 1
+\stopsyntax
+
+If this integer parameter is non|-|zero, then \LUATEX\ will not complain about
+font metrics that are not found. Instead it will silently skip the font
+assignment, making the requested csname for the font \type {\ifx} equal to \type
+{\nullfont}, so that it can be tested against that without bothering the user.
+
+\subsection{\type {\suppresslongerror}}
+
+\startsyntax
+\suppresslongerror = 1
+\stopsyntax
+
+If this integer parameter is non|-|zero, then \LUATEX\ will not complain about
+\type {\par} commands encountered in contexts where that is normally prohibited
+(most prominently in the arguments of non-long macros).
+
+\subsection{\type {\suppressifcsnameerror}}
+
+\startsyntax
+\suppressifcsnameerror = 1
+\stopsyntax
+
+If this integer parameter is non|-|zero, then \LUATEX\ will not complain about
+non-expandable commands appearing in the middle of a \type {\ifcsname} expansion.
+Instead, it will keep getting expanded tokens from the input until it encounters
+an \type {\endcsname} command. If the input expansion is unbalanced with respect
+to \type {\csname} \ldots \type {\endcsname} pairs, the \LUATEX\ process may hang
+indefinitely.
+
+\subsection{\type {\suppressoutererror}}
+
+\startsyntax
+\suppressoutererror = 1
+\stopsyntax
+
+If this new integer parameter is non|-|zero, then \LUATEX\ will not complain
+about \type {\outer} commands encountered in contexts where that is normally
+prohibited.
+
+\subsection{\type {\suppressmathparerror}}
+
+The following setting will permit \type {\par} tokens in a math formula:
+
+\startsyntax
+\suppressmathparerror = 1
+\stopsyntax
+
+So, the next code is valid then:
+
+\starttyping
+$ x + 1 =
+
+a $
+\stoptyping
+
+\section {Math}
+
+\subsection{Extensions}
+
+We will cover math in its own chapter because not only the font subsystem and
+spacing model have been enhanced (thereby introducing many new primitives) but
+also because some more control has been added to existing functionality.
+
+\subsection{\type {\matheqnogapstep}}
+
+By default \TEX\ will add one quad between the equation and the number. This is
+hard coded. A new primitive can control this:
+
+\startsyntax
+\matheqnogapstep = 1000
+\stopsyntax
+
+Because a math quad from the math text font is used instead of a dimension, we
+use a step to control the size. A value of zero will suppress the gap. The step
+is divided by 1000 which is the usual way to mimmick floating point factors in
+\TEX.
+
+\section{Fonts}
+
+\subsection{Font syntax}
+
+\LUATEX\ will accept a braced argument as a font name:
+
+\starttyping
+\font\myfont = {cmr10}
+\stoptyping
+
+This allows for embedded spaces, without the need for double quotes. Macro
+expansion takes place inside the argument.
+
+\subsection{\type {\fontid}}
+
+\startsyntax
+\fontid\font
+\stopsyntax
+
+This primitive expands into a number. It is not a register so there is no need to
+prefix with \type {\number} (and using \type {\the} gives an error). The currently
+used font id is \fontid\font. Here are some more:
+
+\starttabulate[|l|c|]
+\NC \type {\bf} \NC \bf \fontid\font \NC \NR
+\NC \type {\it} \NC \it \fontid\font \NC \NR
+\NC \type {\bi} \NC \bi \fontid\font \NC \NR
+\stoptabulate
+
+These numbers depend on the macro package used because each one has its own way
+of dealing with fonts. They can also differ per run, as they can depend on the
+order of loading fonts. For instance, when in \CONTEXT\ virtual math \UNICODE\
+fonts are used, we can easily get over a hundred ids in use. Not all ids have to
+be bound to a real font, after all it's just a number.
+
+\subsection{\type {\setfontid}}
+
+The primitive \type {\setfontid} can be used to enable a font with the given id
+(which of course needs to be a valid one).
+
+\subsection{\type {\noligs} and \type {\nokerns}}
+
+These primitives prohibit ligature and kerning insertion at the time when the
+initial node list is built by \LUATEX's main control loop. You can enable these
+primitives when you want to do node list processing of \quote {characters}, where
+\TEX's normal processing would get in the way.
+
+\startsyntax
+\noligs <integer>!crlf
+\nokerns <integer>
+\stopsyntax
+
+These primitives can also be implemented by overloading the ligature building and
+kerning functions, i.e.\ by assigning dummy functions to their associated
+callbacks. Keep in mind that when you define a font (using \LUA) you can also
+omit the kern and ligature tables, which has the same effect as the above.
+
+\subsection{\type{\nospaces}}
+
+This new primitive can be used to overrule the usual \type {\spaceskip}
+related heuristics when a space character is seen in a text flow. The
+value~\type{1} triggers no injection while \type{2} results in injection of
+a zero skip. Below we see the results for four characters separated by a
+space.
+
+\startlinecorrection
+\startcombination[3*2]
+    {\ruledhbox to 5cm{\vtop{\hsize 10mm\nospaces=0\relax x x x x \par}\hss}} {\type {0 / hsize 10mm}}
+    {\ruledhbox to 5cm{\vtop{\hsize 10mm\nospaces=1\relax x x x x \par}\hss}} {\type {1 / hsize 10mm}}
+    {\ruledhbox to 5cm{\vtop{\hsize 10mm\nospaces=2\relax x x x x \par}\hss}} {\type {2 / hsize 10mm}}
+    {\ruledhbox to 5cm{\vtop{\hsize  1mm\nospaces=0\relax x x x x \par}\hss}} {\type {0 / hsize 1mm}}
+    {\ruledhbox to 5cm{\vtop{\hsize  1mm\nospaces=1\relax x x x x \par}\hss}} {\type {1 / hsize 1mm}}
+    {\ruledhbox to 5cm{\vtop{\hsize  1mm\nospaces=2\relax x x x x \par}\hss}} {\type {2 / hsize 1mm}}
+\stopcombination
+\stoplinecorrection
+
+\section{Tokens, commands and strings}
+
+\subsection{\type {\scantextokens}}
+
+The syntax of \type {\scantextokens} is identical to \type {\scantokens}. This
+primitive is a slightly adapted version of \ETEX's \type {\scantokens}. The
+differences are:
+
+\startitemize
+\startitem
+    The last (and usually only) line does not have a \type {\endlinechar}
+    appended.
+\stopitem
+\startitem
+    \type {\scantextokens} never raises an EOF error, and it does not execute
+    \type {\everyeof} tokens.
+\stopitem
+\startitem
+    There are no \quote {\unknown\ while end of file \unknown} error tests
+    executed. This allows the expansion to end on a different grouping level or
+    while a conditional is still incomplete.
+\stopitem
+\stopitemize
+
+\subsection{\type {\toksapp}, \type {\tokspre}, \type {\etoksapp} and \type {\etokspre}}
+
+Instead of:
+
+\starttyping
+\toks0\expandafter{\the\toks0 foo}
+\stoptyping
+
+you can use:
+
+\starttyping
+\etoksapp0{foo}
+\stoptyping
+
+The \type {pre} variants prepend instead of append, and the \type {e} variants
+expand the passed general text.
+
+\subsection{\type {\csstring}, \type {\begincsname} and \type {\lastnamedcs}}
+
+These are somewhat special. The \type {\csstring} primitive is like
+\type {\string} but it omits the leading escape character. This can be
+somewhat more efficient that stripping it of afterwards.
+
+The \type {\begincsname} primitive is like \type {\csname} but doesn't create
+a relaxed equivalent when there is no such name. It is equivalent to
+
+\starttyping
+\ifcsname foo\endcsname
+  \csname foo\endcsname
+\fi
+\stoptyping
+
+The advantage is that it saves a lookup (don't expect much speedup) but more
+important is that it avoids using the \type {\if}.
+
+The \type {\lastnamedcs} is one that should be used with care. The above
+example could be written as:
+
+\starttyping
+\ifcsname foo\endcsname
+  \lastnamedcs
+\fi
+\stoptyping
+
+This is slightly more efficient than constructing the string twice (deep down in
+\LUATEX\ this also involves some \UTF8 juggling), but probably more relevant is
+that it saves a few tokens and can make code a bit more more readable.
+
+\subsection{\type {\clearmarks}}
+
+This primitive complements the \ETEX\ mark primitives and clears a mark class
+completely, resetting all three connected mark texts to empty. It is an
+immediate command.
+
+\startsyntax
+\clearmarks <16-bit number>
+\stopsyntax
+
+\subsection{\type{\letcharcode}}
+
+This primitive is still experimental but can be used to assign a meaning to an active
+character, as in:
+
+\starttyping
+\def\foo{bar} \letcharcode123\foo
+\stoptyping
+
+This can be a bit nicer that using the uppercase tricks (using the property of
+\type {\uppercase} that it treats active characters special).
+
+\section{Boxes, rules and leaders}
+
+\subsection{\type {\outputbox}}
+
+\startsyntax
+\outputbox = 65535
+\stopsyntax
+
+This new integer parameter allows you to alter the number of the box that will be
+used to store the page sent to the output routine. Its default value is 255, and
+the acceptable range is from 0 to 65535.
+
+\subsection{\type {\vpack}, \type {\hpack} and \type {\tpack}}
+
+These three primitives are like \type {\vbox}, \type {\hbox} and \type {\vtop}
+but don't apply the related callbacks.
+
+\subsection{Images and Forms}
+
+These two concepts are now core concepts and no longer whatsits. They are in fact
+now implemented as rules with special properties. Normal rules have subtype~0,
+saved boxes have subtype~1 and images have subtype~2. This has the positive side
+effect that whenever we need to take content with dimensions into account, when we
+look at rule nodes, we automatically also deal with these two types.
+
+The syntax of the \type {\save...resource} is the same as in \PDFTEX\ but you
+should consider them to be backend specific. This means that a macro package
+should treat them as such and check for the current output mode if applicable.
+Here are the equivalents:
+
+\starttabulate[|l|l|]
+\NC \type {\saveboxresource}             \EQ \type {\pdfxform}           \NC \NR
+\NC \type {\saveimageresource}           \EQ \type {\pdfximage}          \NC \NR
+\NC \type {\useboxresource}              \EQ \type {\pdfrefxform}        \NC \NR
+\NC \type {\useimageresource}            \EQ \type {\pdfrefximage}       \NC \NR
+\NC \type {\lastsavedboxresourceindex}   \EQ \type {\pdflastxform}       \NC \NR
+\NC \type {\lastsavedimageresourceindex} \EQ \type {\pdflastximage}      \NC \NR
+\NC \type {\lastsavedimageresourcepages} \EQ \type {\pdflastximagepages} \NC \NR
+\stoptabulate
+
+\LUATEX\ accepts optional dimension parameters for \type {\use...resource} in the
+same format as for rules. With images, these dimensions are then used instead of
+the ones given to \type {\useimageresource} but the original dimensions are not
+overwritten, so that a \type {\useimageresource} without dimensions still
+provides the image with dimensions defined by \type {\saveimageresource}. These
+optional parameters are not implemented for \type {\saveboxresource}.
+
+\starttyping
+\useimageresource width 20mm height 10mm depth 5mm \lastsavedimageresourceindex
+\useboxresource   width 20mm height 10mm depth 5mm \lastsavedboxresourceindex
+\stoptyping
+
+\subsection{\type {\nohrule} and \type {\novrule}}
+
+Because introducing a new keyword can cause incompatibilities, two new primitives
+were introduced: \type {\nohrule} and \type {\novrule}. These can be used to
+reserve space. This is often more efficient than creating an empty box with fake
+dimensions).
+
+\subsection{\type {\gleaders}}
+
+This type of leaders is anchored to the origin of the box to be shipped out. So
+they are like normal \type {\leaders} in that they align nicely, except that the
+alignment is based on the {\it largest\/} enclosing box instead of the {\it
+smallest\/}. The \type {g} stresses this global nature.
+
+\section {Languages}
+
+\subsection{\type {\hyphenationmin}}
+
+This primitive can be used to set the minimal word length, so setting it to a value
+of~$5$ means that only words of 6 characters and more will be hyphenated, of course
+within the constraints of the \type {\lefthyphenmin} and \type {\righthyphenmin}
+values (as stored in the glyph node). This primitive accepts a number and stores
+the value with the language.
+
+\subsection{\type {\boundary}, \type {\noboundary}, \type {\protrusionboundary} and \type
+{\wordboundary}}
+
+The \type {\noboundary} commands used to inject a whatsit node but now injects a normal
+node with type \type {boundary} and subtype~0. In addition you can say:
+
+\starttyping
+x\boundary 123\relax y
+\stoptyping
+
+This has the same effect but the subtype is now~1 and the value~123 is stored.
+The traditional ligature builder still sees this as a cancel boundary directive
+but at the \LUA\ end you can implement different behaviour. The added benefit of
+passing this value is a side effect of the generalization. The subtypes~2 and~3
+are used to control protrusion and word boundaries in hyphenation.
+
+\section{Control and debugging}
+
+\subsection {Tracing}
+
+If \type {\tracingonline} is larger than~2, the node list display will also print
+the node number of the nodes.
+
+\subsection{\type {\outputmode} and \type {\draftmode}}
+
+The \type {\outputmode} variable tells \LUATEX\ what it has to produce:
+
+\starttabulate[|l|l|]
+\NC \type {0} \NC \DVI\ code \NC \NR
+\NC \type {1} \NC \PDF\ code \NC \NR
+\stoptabulate
+
+The value of the \type {\draftmode} counter signals the backend if it should
+output less. The \PDF\ backend accepts a value of~$1$, while the \DVI\ backend
+ignores the value.
+
+\section {Files}
+
+\subsection{File syntax}
+
+\LUATEX\ will accept a braced argument as a file name:
+
+\starttyping
+\input {plain}
+\openin 0 {plain}
+\stoptyping
+
+This allows for embedded spaces, without the need for double quotes. Macro
+expansion takes place inside the argument.
+
+\subsection{Writing to file}
+
+You can now open upto 127 files with \type {\openout}. When no file is open
+writes will go to the console and log. As a consequence a system command is
+no longer possible but one can use \type {os.execute} to do the same.
+
+\stopchapter
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/luatex/luatex-fonts.tex b/Master/texmf-dist/doc/context/sources/general/manuals/luatex/luatex-fonts.tex
new file mode 100644
index 00000000000..7384f3b3ecc
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/luatex/luatex-fonts.tex
@@ -0,0 +1,717 @@
+% language=uk
+
+\environment luatex-style
+\environment luatex-logos
+
+\startcomponent luatex-fonts
+
+\startchapter[reference=fonts,title={Font structure}]
+
+\section {The font tables}
+
+All \TEX\ fonts are represented to \LUA\ code as tables, and internally as
+\CCODE~structures. All keys in the table below are saved in the internal font
+structure if they are present in the table returned by the \type {define_font}
+callback, or if they result from the normal \TFM|/|\VF\ reading routines if there
+is no \type {define_font} callback defined.
+
+The column \quote {\VF} means that this key will be created by the \type
+{font.read_vf()} routine, \quote {\TFM} means that the key will be created by the
+\type {font.read_tfm()} routine, and \quote{used} means whether or not the
+\LUATEX\ engine itself will do something with the key.
+
+The top|-|level keys in the table are as follows:
+
+\starttabulate[|Tl|c|c|c|l|p|]
+\NC \rmbf key \NC \bf vf \NC \bf tfm \NC \bf used \NC \bf value type \NC \bf description \NC \NR
+\NC name             \NC yes \NC yes \NC yes \NC string \NC metric (file) name \NC \NR
+\NC area             \NC no  \NC yes \NC yes \NC string \NC (directory) location, typically empty \NC \NR
+\NC used             \NC no  \NC yes \NC yes \NC boolean\NC indicates usage (initial: false) \NC \NR
+\NC characters       \NC yes \NC yes \NC yes \NC table  \NC the defined glyphs of this font \NC \NR
+\NC checksum         \NC yes \NC yes \NC no  \NC number \NC default: 0 \NC \NR
+\NC designsize       \NC no  \NC yes \NC yes \NC number \NC expected size (default: 655360 == 10pt) \NC \NR
+\NC direction        \NC no  \NC yes \NC yes \NC number \NC default: 0 \NC \NR
+\NC encodingbytes    \NC no  \NC no  \NC yes \NC number \NC default: depends on \type {format} \NC \NR
+\NC encodingname     \NC no  \NC no  \NC yes \NC string \NC encoding name \NC \NR
+\NC fonts            \NC yes \NC no  \NC yes \NC table  \NC locally used fonts \NC \NR
+\NC psname           \NC no  \NC no  \NC yes \NC string \NC This is the \POSTSCRIPT\ fontname in the incoming font
+                                                            source, and it's used as fontname identifier in the \PDF\
+                                                            output. \NC \NR
+\NC fullname         \NC no  \NC no  \NC yes \NC string \NC output font name, used as a fallback in the \PDF\ output
+                                                            if the \type {psname} is not set \NC \NR
+\NC header           \NC yes \NC no  \NC no  \NC string \NC header comments, if any \NC \NR
+\NC hyphenchar       \NC no  \NC no  \NC yes \NC number \NC default: \TEX's \type {\hyphenchar} \NC \NR
+\NC parameters       \NC no  \NC yes \NC yes \NC hash   \NC default: 7 parameters, all zero \NC \NR
+\NC size             \NC no  \NC yes \NC yes \NC number \NC loaded (at) size. (default: same as designsize) \NC \NR
+\NC skewchar         \NC no  \NC no  \NC yes \NC number \NC default: \TEX's \type {\skewchar} \NC \NR
+\NC type             \NC yes \NC no  \NC yes \NC string \NC basic type of this font \NC \NR
+\NC format           \NC no  \NC no  \NC yes \NC string \NC disk format type \NC \NR
+\NC embedding        \NC no  \NC no  \NC yes \NC string \NC \PDF\ inclusion  \NC \NR
+\NC filename         \NC no  \NC no  \NC yes \NC string \NC the name of the font on disk \NC \NR
+\NC tounicode        \NC no  \NC yes \NC yes \NC number \NC When this is set to~1 \LUATEX\ assumes per|-|glyph
+                                                            tounicode entries are present in the font. \NC \NR
+\NC stretch          \NC no  \NC no  \NC yes \NC number \NC the \quote {stretch} value from \type
+                                                            {\expandglyphsinfont} \NC \NR
+\NC shrink           \NC no  \NC no  \NC yes \NC number \NC the \quote {shrink} value from \type
+                                                            {\expandglyphsinfont} \NC \NR
+\NC step             \NC no  \NC no  \NC yes \NC number \NC the \quote {step} value from \type
+                                                            {\expandglyphsinfont} \NC \NR
+\NC auto_expand      \NC no  \NC no  \NC yes \NC boolean\NC the \quote {autoexpand} keyword from \crlf
+                                                            \type {\expandglyphsinfont} \NC \NR
+\NC expansion_factor \NC no  \NC no  \NC no  \NC number \NC the actual expansion factor of an expanded font \NC \NR
+\NC attributes       \NC no  \NC no  \NC yes \NC string \NC the \type {\pdffontattr} \NC \NR
+\NC cache            \NC no  \NC no  \NC yes \NC string \NC This key controls caching of the \LUA\ table on the
+                                                            \TEX\ end where \type {yes} means: use a reference to
+                                                            the table that is passed to \LUATEX\ (this is the
+                                                            default), and no \type {no} means: don't store the
+                                                            table reference, don't cache any \LUA\ data for this
+                                                            font while \type {renew} means: don't store the table
+                                                            reference, but save a reference to the table that is
+                                                            created at the first access to one of its fields in font.
+                                                            Note: the saved reference is thread|-|local, so be
+                                                            careful when you are using coroutines: an error will be
+                                                            thrown if the table has been cached in one thread, but
+                                                            you reference it from another thread. \NC \NR
+\NC nomath           \NC no  \NC no  \NC yes \NC boolean\NC This key allows a minor speedup for text fonts. If it
+                                                            is present and true, then \LUATEX\ will not check the
+                                                            character entries for math|-|specific keys. \NC \NR
+\NC slant            \NC no  \NC no  \NC yes \NC number \NC This has the same semantics as the \type {SlantFont}
+                                                            operator in font map files. \NC \NR
+\NC extent           \NC no  \NC no  \NC yes \NC number \NC This has the same semantics as the \type {ExtendFont}
+                                                            operator in font map files. \NC \NR
+\stoptabulate
+
+The key \type {name} is always required. The keys \type {stretch}, \type
+{shrink}, \type {step} and optionally \type {auto_expand} only have meaning when
+used together: they can be used to replace a post|-|loading \type
+{\expandglyphsinfont} command. The \type {expansion_factor} is value that can be
+present inside a font in \type {font.fonts}. It is the actual expansion factor (a
+value between \type {-shrink} and \type {stretch}, with step \type {step}) of a
+font that was automatically generated by the font expansion algorithm. The key
+\type {attributes} can be used to set font attributes in the \PDF\ file. The key
+\type {used} is set by the engine when a font is actively in use, this makes sure
+that the font's definition is written to the output file (\DVI\ or \PDF). The
+\TFM\ reader sets it to false. The \type {direction} is a number signalling the
+\quote {normal} direction for this font. There are sixteen possibilities:
+
+\starttabulate[|Tc|Tc|Tc|Tc|]
+\NC \rmbf number \NC \rmbf meaning \NC \rmbf number \NC \rmbf meaning \NC\NR
+\NC 0            \NC LT            \NC  8           \NC TT            \NC\NR
+\NC 1            \NC LL            \NC  9           \NC TL            \NC\NR
+\NC 2            \NC LB            \NC 10           \NC TB            \NC\NR
+\NC 3            \NC LR            \NC 11           \NC TR            \NC\NR
+\NC 4            \NC RT            \NC 12           \NC BT            \NC\NR
+\NC 5            \NC RL            \NC 13           \NC BL            \NC\NR
+\NC 6            \NC RB            \NC 14           \NC BB            \NC\NR
+\NC 7            \NC RR            \NC 15           \NC BR            \NC\NR
+\stoptabulate
+
+These are \OMEGA|-|style direction abbreviations: the first character indicates
+the \quote {first} edge of the character glyphs (the edge that is seen first in
+the writing direction), the second the \quote {top} side. Keep in mind that
+\LUATEX\ has a bit different directional model so these values are not used for
+anything.
+
+The \type {parameters} is a hash with mixed key types. There are seven possible
+string keys, as well as a number of integer indices (these start from 8 up). The
+seven strings are actually used instead of the bottom seven indices, because that
+gives a nicer user interface.
+
+The names and their internal remapping are:
+
+\starttabulate[|lT|c|]
+\NC \rmbf name    \NC \rmbf remapping \NC\NR
+\NC slant         \NC 1 \NC\NR
+\NC space         \NC 2 \NC\NR
+\NC space_stretch \NC 3 \NC\NR
+\NC space_shrink  \NC 4 \NC\NR
+\NC x_height      \NC 5 \NC\NR
+\NC quad          \NC 6 \NC\NR
+\NC extra_space   \NC 7 \NC\LR
+\stoptabulate
+
+The keys \type {type}, \type {format}, \type {embedding}, \type {fullname} and
+\type {filename} are used to embed \OPENTYPE\ fonts in the result \PDF.
+
+The \type {characters} table is a list of character hashes indexed by an integer
+number. The number is the \quote {internal code} \TEX\ knows this character by.
+
+Two very special string indexes can be used also: \type {left_boundary} is a
+virtual character whose ligatures and kerns are used to handle word boundary
+processing. \type {right_boundary} is similar but not actually used for anything
+(yet).
+
+Other index keys are ignored.
+
+Each character hash itself is a hash. For example, here is the character \quote
+{f} (decimal 102) in the font \type {cmr10 at 10pt}:
+
+\starttyping
+[102] = {
+    ['width'] = 200250,
+    ['height'] = 455111,
+    ['depth'] = 0,
+    ['italic'] = 50973,
+    ['kerns'] = {
+        [63] = 50973,
+        [93] = 50973,
+        [39] = 50973,
+        [33] = 50973,
+        [41] = 50973
+    },
+    ['ligatures'] = {
+        [102] = {
+            ['char'] = 11,
+            ['type'] = 0
+        },
+        [108] = {
+            ['char'] = 13,
+            ['type'] = 0
+        },
+        [105] = {
+            ['char'] = 12,
+            ['type'] = 0
+        }
+    }
+}
+\stoptyping
+
+The following top|-|level keys can be present inside a character hash:
+
+\starttabulate[|lT|c|c|c|l|p|]
+\NC \rmbf key \NC \bf vf \NC \bf tfm \NC \bf used \NC \bf type \NC \bf description \NC\NR
+\NC width            \NC yes \NC yes \NC yes   \NC number  \NC character's width, in sp (default 0) \NC\NR
+\NC height           \NC no  \NC yes \NC yes   \NC number  \NC character's height, in sp (default 0) \NC\NR
+\NC depth            \NC no  \NC yes \NC yes   \NC number  \NC character's depth, in sp (default 0) \NC\NR
+\NC italic           \NC no  \NC yes \NC yes   \NC number  \NC character's italic correction, in sp (default zero) \NC\NR
+\NC top_accent       \NC no  \NC no  \NC maybe \NC number  \NC character's top accent alignment place, in sp (default zero) \NC\NR
+\NC bot_accent       \NC no  \NC no  \NC maybe \NC number  \NC character's bottom accent alignment place, in sp (default zero) \NC\NR
+\NC left_protruding  \NC no  \NC no  \NC maybe \NC number  \NC character's \type {\lpcode} \NC\NR
+\NC right_protruding \NC no  \NC no  \NC maybe \NC number  \NC character's \type {\rpcode} \NC\NR
+\NC expansion_factor \NC no  \NC no  \NC maybe \NC number  \NC character's \type {\efcode} \NC\NR
+\NC tounicode        \NC no  \NC no  \NC maybe \NC string  \NC character's \UNICODE\ equivalent(s), in \UTF|-|16BE hexadecimal format \NC\NR
+\NC next             \NC no  \NC yes \NC yes   \NC number  \NC the \quote {next larger} character index \NC\NR
+\NC extensible       \NC no  \NC yes \NC yes   \NC table   \NC the constituent parts of an extensible recipe \NC\NR
+\NC vert_variants    \NC no  \NC no  \NC yes   \NC table   \NC constituent parts of a vertical variant set \NC \NR
+\NC horiz_variants   \NC no  \NC no  \NC yes   \NC table   \NC constituent parts of a horizontal variant set \NC \NR
+\NC kerns            \NC no  \NC yes \NC yes   \NC table   \NC kerning information \NC\NR
+\NC ligatures        \NC no  \NC yes \NC yes   \NC table   \NC ligaturing information \NC\NR
+\NC commands         \NC yes \NC no  \NC yes   \NC array   \NC virtual font commands \NC\NR
+\NC name             \NC no  \NC no  \NC no    \NC string  \NC the character (\POSTSCRIPT) name \NC\NR
+\NC index            \NC no  \NC no  \NC yes   \NC number  \NC the (\OPENTYPE\ or \TRUETYPE) font glyph index \NC\NR
+\NC used             \NC no  \NC yes \NC yes   \NC boolean \NC typeset already (default: false)? \NC\NR
+\NC mathkern         \NC no  \NC no  \NC yes   \NC table   \NC math cut-in specifications \NC\NR
+\stoptabulate
+
+The values of \type {top_accent}, \type {bot_accent} and \type {mathkern} are
+used only for math accent and superscript placement, see the \at {math chapter}
+[math] in this manual for details.
+
+The values of \type {left_protruding} and \type {right_protruding} are used only
+when \type {\protrudechars} is non-zero.
+
+Whether or not \type {expansion_factor} is used depends on the font's global
+expansion settings, as well as on the value of \type {\adjustspacing}.
+
+The usage of \type {tounicode} is this: if this font specifies a \type
+{tounicode=1} at the top level, then \LUATEX\ will construct a \type {/ToUnicode}
+entry for the \PDF\ font (or font subset) based on the character|-|level \type
+{tounicode} strings, where they are available. If a character does not have a
+sensible \UNICODE\ equivalent, do not provide a string either (no empty strings).
+
+If the font level \type {tounicode} is not set, then \LUATEX\ will build up \type
+{/ToUnicode} based on the \TEX\ code points you used, and any character-level
+\type {tounicodes} will be ignored. The string format is exactly the format that
+is expected by Adobe \CMAP\ files (\UTF-16BE in hexadecimal encoding), minus the
+enclosing angle brackets. For instance the \type {tounicode} for a \type {fi}
+ligature would be \type {00660069}. When you pass a number the conversion will be
+done for you.
+
+The presence of \type {extensible} will overrule \type {next}, if that is also
+present. It in in turn can be overruled by \type {vert_variants}.
+
+The \type {extensible} table is very simple:
+
+\starttabulate[|lT|l|p|]
+\NC \rmbf key \NC \bf type \NC \bf description            \NC\NR
+\NC top       \NC number   \NC top character index        \NC\NR
+\NC mid       \NC number   \NC middle character index     \NC\NR
+\NC bot       \NC number   \NC bottom character index     \NC\NR
+\NC rep       \NC number   \NC repeatable character index \NC\NR
+\stoptabulate
+
+The \type {horiz_variants} and \type {vert_variants} are arrays of components.
+Each of those components is itself a hash of up to five keys:
+
+\starttabulate[|lT|l|p|]
+\NC \rmbf key \NC \bf type \NC \bf explanation \NC\NR
+\NC glyph     \NC number   \NC The character index. Note that this is an encoding number, not a name. \NC \NR
+\NC extender  \NC number   \NC One (1) if this part is repeatable, zero (0) otherwise. \NC \NR
+\NC start     \NC number   \NC The maximum overlap at the starting side (in scaled points). \NC \NR
+\NC end       \NC number   \NC The maximum overlap at the ending side (in scaled points). \NC \NR
+\NC advance   \NC number   \NC The total advance width of this item. It can be zero or missing,
+                               then the natural size of the glyph for character \type {component}
+                               is used. \NC \NR
+\stoptabulate
+
+The \type {kerns} table is a hash indexed by character index (and \quote
+{character index} is defined as either a non|-|negative integer or the string
+value \type {right_boundary}), with the values the kerning to be applied, in
+scaled points.
+
+The \type {ligatures} table is a hash indexed by character index (and \quote
+{character index} is defined as either a non|-|negative integer or the string
+value \type {right_boundary}), with the values being yet another small hash, with
+two fields:
+
+\starttabulate[|lT|l|p|]
+\NC \rmbf key \NC \bf type \NC \bf description \NC \NR
+\NC type      \NC number   \NC the type of this ligature command, default 0 \NC \NR
+\NC char      \NC number   \NC the character index of the resultant ligature \NC \NR
+\stoptabulate
+
+The \type {char} field in a ligature is required.
+
+The \type {type} field inside a ligature is the numerical or string value of one
+of the eight possible ligature types supported by \TEX. When \TEX\ inserts a new
+ligature, it puts the new glyph in the middle of the left and right glyphs. The
+original left and right glyphs can optionally be retained, and when at least one
+of them is kept, it is also possible to move the new \quote {insertion point}
+forward one or two places. The glyph that ends up to the right of the insertion
+point will become the next \quote {left}.
+
+\starttabulate[|l|c|l|l|]
+\NC \bf textual (Knuth)   \NC \bf number \NC \bf string   \NC result       \NC\NR
+\NC \type{l + r =: n}     \NC 0          \NC \type{=:}     \NC \type{|n}   \NC\NR
+\NC \type{l + r =:| n}    \NC 1          \NC \type{=:|}    \NC \type{|nr}  \NC\NR
+\NC \type{l + r |=: n}    \NC 2          \NC \type{|=:}    \NC \type{|ln}  \NC\NR
+\NC \type{l + r |=:| n}   \NC 3          \NC \type{|=:|}   \NC \type{|lnr} \NC\NR
+\NC \type{l + r  =:|> n}  \NC 5          \NC \type{=:|>}   \NC \type{n|r}  \NC\NR
+\NC \type{l + r |=:> n}   \NC 6          \NC \type{|=:>}   \NC \type{l|n}  \NC\NR
+\NC \type{l + r |=:|> n}  \NC 7          \NC \type{|=:|>}  \NC \type{l|nr} \NC\NR
+\NC \type{l + r |=:|>> n} \NC 11         \NC \type{|=:|>>} \NC \type{ln|r} \NC\NR
+\stoptabulate
+
+The default value is~0, and can be left out. That signifies a \quote {normal}
+ligature where the ligature replaces both original glyphs. In this table the~\type {|}
+indicates the final insertion point.
+
+The \type {commands} array is explained below.
+
+\section {Real fonts}
+
+Whether or not a \TEX\ font is a \quote {real} font that should be written to the
+\PDF\ document is decided by the \type {type} value in the top|-|level font
+structure. If the value is \type {real}, then this is a proper font, and the
+inclusion mechanism will attempt to add the needed font object definitions to the
+\PDF. Values for \type {type} are:
+
+\starttabulate[|Tl|p|]
+\NC \rmbf value \NC \rmbf description      \NC\NR
+\NC real        \NC this is a base font    \NC\NR
+\NC virtual     \NC this is a virtual font \NC\NR
+\stoptabulate
+
+The actions to be taken depend on a number of different variables:
+
+\startitemize[packed]
+\startitem
+    Whether the used font fits in an 8-bit encoding scheme or not.
+\stopitem
+\startitem
+    The type of the disk font file.
+\stopitem
+\startitem
+    The level of embedding requested.
+\stopitem
+\stopitemize
+
+A font that uses anything other than an 8-bit encoding vector has to be written
+to the \PDF\ in a different way.
+
+The rule is: if the font table has \type {encodingbytes} set to~2, then this is a
+wide font, in all other cases it isn't. The value~2 is the default for \OPENTYPE\
+and \TRUETYPE\ fonts loaded via \LUA. For \TYPEONE\ fonts, you have to set \type
+{encodingbytes} to~2 explicitly. For \PK\ bitmap fonts, wide font encoding is not
+supported at all.
+
+If no special care is needed, \LUATEX\ currently falls back to the
+mapfile|-|based solution used by \PDFTEX\ and \DVIPS. This behaviour might
+silently be removed in the future, in which case the related primitives and \LUA\
+functions will become no|-|ops.
+
+If a \quote {wide} font is used, the new subsystem kicks in, and some
+extra fields have to be present in the font structure. In this case, \LUATEX\
+does not use a map file at all.
+
+The extra fields are: \type {format}, \type {embedding}, \type {fullname}, \type
+{cidinfo} (as explained above), \type {filename}, and the \type {index} key in
+the separate characters.
+
+Values for \type {format} are:
+
+\starttabulate[|Tl|p|]
+\NC \rmbf value \NC \rmbf description                                         \NC \NR
+\NC type1       \NC this is a \POSTSCRIPT\ \TYPEONE\ font                     \NC \NR
+\NC type3       \NC this is a bitmapped (\PK) font                            \NC \NR
+\NC truetype    \NC this is a \TRUETYPE\ or \TRUETYPE|-|based \OPENTYPE\ font \NC \NR
+\NC opentype    \NC this is a \POSTSCRIPT|-|based \OPENTYPE\ font             \NC \NR
+\stoptabulate
+
+\type {type3} fonts are provided for backward compatibility only, and do not
+support the new wide encoding options.
+
+Values for \type {embedding} are:
+
+\starttabulate[|Tl|p|]
+\NC \rmbf value \NC \rmbf description                       \NC \NR
+\NC no          \NC don't embed the font at all             \NC \NR
+\NC subset      \NC include and atttempt to subset the font \NC \NR
+\NC full        \NC include this font in its entirety       \NC \NR
+\stoptabulate
+
+The other fields are used as follows: The \type {fullname} will be the
+\POSTSCRIPT|/|\PDF\ font name. The \type {cidinfo} will be used as the character
+set (the CID \type {/Ordering} and \type {/Registry} keys). The \type {filename}
+points to the actual font file. If you include the full path in the \type
+{filename} or if the file is in the local directory, \LUATEX\ will run a little
+bit more efficient because it will not have to re|-|run the \type {find_xxx_file}
+callback in that case.
+
+Be careful: when mixing old and new fonts in one document, it is possible to
+create \POSTSCRIPT\ name clashes that can result in printing errors. When this
+happens, you have to change the \type {fullname} of the font.
+
+Typeset strings are written out in a wide format using 2~bytes per glyph, using
+the \type {index} key in the character information as value. The overall effect
+is like having an encoding based on numbers instead of traditional (\POSTSCRIPT)
+name|-|based reencoding. The way to get the correct \type {index} numbers for
+\TYPEONE\ fonts is by loading the font via \type {fontloader.open} and use the table
+indices as \type {index} fields.
+
+In order to make sure that cut and paste of the final document works okay you can
+best make sure that there is a \type {tounicode} vector enforced.
+
+\section[virtualfonts]{Virtual fonts}
+
+\subsection{The structure}
+
+You have to take the following steps if you want \LUATEX\ to treat the returned
+table from \type {define_font} as a virtual font:
+
+\startitemize[packed]
+\startitem
+    Set the top|-|level key \type {type} to \type {virtual}.
+\stopitem
+\startitem
+    Make sure there is at least one valid entry in \type {fonts} (see below).
+\stopitem
+\startitem
+    Give a \type {commands} array to every character (see below).
+\stopitem
+\stopitemize
+
+The presence of the toplevel \type {type} key with the specific value \type
+{virtual} will trigger handling of the rest of the special virtual font fields in
+the table, but the mere existence of 'type' is enough to prevent \LUATEX\ from
+looking for a virtual font on its own.
+
+Therefore, this also works \quote {in reverse}: if you are absolutely certain
+that a font is not a virtual font, assigning the value \type {base} or \type
+{real} to \type {type} will inhibit \LUATEX\ from looking for a virtual font
+file, thereby saving you a disk search.
+
+The \type {fonts} is another \LUA\ array. The values are one- or two|-|key
+hashes themselves, each entry indicating one of the base fonts in a virtual font.
+In case your font is referring to itself, you can use the \type {font.nextid()}
+function which returns the index of the next to be defined font which is probably
+the currently defined one.
+
+An example makes this easy to understand
+
+\starttyping
+fonts = {
+    { name = 'ptmr8a', size = 655360 },
+    { name = 'psyr', size = 600000 },
+    { id = 38 }
+}
+\stoptyping
+
+says that the first referenced font (index 1) in this virtual font is \type
+{ptrmr8a} loaded at 10pt, and the second is \type {psyr} loaded at a little over
+9pt. The third one is previously defined font that is known to \LUATEX\ as font id
+\quote {38}.
+
+The array index numbers are used by the character command definitions that are
+part of each character.
+
+The \type {commands} array is a hash where each item is another small array,
+with the first entry representing a command and the extra items being the
+parameters to that command. The allowed commands and their arguments are:
+
+\starttabulate[|Tl|l|l|p|]
+\NC \rmbf command name \NC \bf arguments \NC \bf type \NC \bf description \NC\NR
+\NC font    \NC 1   \NC number    \NC select a new font from the local \type {fonts} table\NC\NR
+\NC char    \NC 1   \NC number    \NC typeset this character number from the current font,
+                                      and move right by the character's width\NC\NR
+\NC node    \NC 1   \NC node      \NC output this node (list), and move right
+                                      by the width of this list\NC\NR
+\NC slot    \NC 2   \NC number    \NC a shortcut for the combination of a font and char command\NC\NR
+\NC push    \NC 0   \NC           \NC save current position\NC\NR
+\NC nop     \NC 0   \NC           \NC do nothing \NC\NR
+\NC pop     \NC 0   \NC           \NC pop position \NC\NR
+\NC rule    \NC 2   \NC 2 numbers \NC output a rule $ht*wd$, and move right.\NC\NR
+\NC down    \NC 1   \NC number    \NC move down on the page\NC\NR
+\NC right   \NC 1   \NC number    \NC move right on the page\NC\NR
+\NC special \NC 1   \NC string    \NC output a \type {\special} command\NC\NR
+\NC lua     \NC 1   \NC string    \NC execute a \LUA\ script (at \type {\latelua} time)\NC\NR
+\NC image   \NC 1   \NC image     \NC output an image (the argument can be either an \type
+                                      {<image>} variable or an \type {image_spec} table)\NC\NR
+\NC comment \NC any \NC any       \NC the arguments of this command are ignored\NC\NR
+\stoptabulate
+
+When a font id is set to~0 then it will be replaced by the currently assigned
+font id. This prevents the need for hackery with future id's (normally one could
+use \type {font.nextid} but when more complex fonts are built in the meantime
+other instances could have been loaded.
+
+Here is a rather elaborate glyph commands example:
+
+\starttyping
+...
+commands = {
+    { 'push' },                    -- remember where we are
+    { 'right', 5000 },             -- move right about 0.08pt
+    { 'font', 3 },                 -- select the fonts[3] entry
+    { 'char', 97 },                -- place character 97 (ASCII 'a')
+    { 'pop' },                     -- go all the way back
+    { 'down', -200000 },           -- move upwards by about 3pt
+    { 'special', 'pdf: 1 0 0 rg' } -- switch to red color
+    { 'rule', 500000, 20000 }      -- draw a bar
+    { 'special','pdf: 0 g' }       -- back to black
+}
+...
+\stoptyping
+
+The default value for \type {font} is always~1 at the start of the
+\type {commands} array. Therefore, if the virtual font is essentially only a
+re|-|encoding, then you do usually not have create an explicit \quote {font}
+command in the array.
+
+Rules inside of \type {commands} arrays are built up using only two dimensions:
+they do not have depth. For correct vertical placement, an extra \type {down}
+command may be needed.
+
+Regardless of the amount of movement you create within the \type {commands}, the
+output pointer will always move by exactly the width that was given in the \type
+{width} key of the character hash. Any movements that take place inside the \type
+{commands} array are ignored on the upper level.
+
+\subsection{Artificial fonts}
+
+Even in a \quote {real} font, there can be virtual characters. When \LUATEX\
+encounters a \type {commands} field inside a character when it becomes time to
+typeset the character, it will interpret the commands, just like for a true
+virtual character. In this case, if you have created no \quote {fonts} array,
+then the default (and only) \quote {base} font is taken to be the current font
+itself. In practice, this means that you can create virtual duplicates of
+existing characters which is useful if you want to create composite characters.
+
+Note: this feature does {\it not\/} work the other way around. There can not be
+\quote {real} characters in a virtual font! You cannot use this technique for
+font re-encoding either; you need a truly virtual font for that (because
+characters that are already present cannot be altered).
+
+\subsection{Example virtual font}
+
+Finally, here is a plain \TEX\ input file with a virtual font demonstration:
+
+\startbuffer
+\directlua {
+  callback.register('define_font',
+    function (name,size)
+      if name == 'cmr10-red' then
+        f = font.read_tfm('cmr10',size)
+        f.name = 'cmr10-red'
+        f.type = 'virtual'
+        f.fonts = {{ name = 'cmr10', size = size }}
+        for i,v in pairs(f.characters) do
+          if (string.char(i)):find('[tacohanshartmut]') then
+             v.commands = {
+               {'special','pdf: 1 0 0 rg'},
+               {'char',i},
+               {'special','pdf: 0 g'},
+              }
+          else
+             v.commands = {{'char',i}}
+          end
+        end
+      else
+        f = font.read_tfm(name,size)
+      end
+      return f
+    end
+  )
+}
+
+\font\myfont = cmr10-red at 10pt \myfont  This is a line of text \par
+\font\myfontx= cmr10     at 10pt \myfontx Here is another line of text \par
+\stopbuffer
+
+\typebuffer
+
+\section{The \type {font} library}
+
+The font library provides the interface into the internals of the font system,
+and also it contains helper functions to load traditional \TEX\ font metrics
+formats. Other font loading functionality is provided by the \type {fontloader}
+library that will be discussed in the next section.
+
+\subsection{Loading a \TFM\ file}
+
+The behavior documented in this subsection is considered stable in the sense that
+there will not be backward-incompatible changes any more.
+
+\startfunctioncall
+<table> fnt =
+    font.read_tfm(<string> name, <number> s)
+\stopfunctioncall
+
+The number is a bit special:
+
+\startitemize
+\startitem
+    If it is positive, it specifies an \quote {at size} in scaled points.
+\stopitem
+\startitem
+    If it is negative, its absolute value represents a \quote {scaled}
+    setting relative to the designsize of the font.
+\stopitem
+\stopitemize
+
+The internal structure of the metrics font table that is returned is explained in
+\in {chapter} [fonts].
+
+\subsection{Loading a \VF\ file}
+
+The behavior documented in this subsection is considered stable in the sense that
+there will not be backward-incompatible changes any more.
+
+\startfunctioncall
+<table> vf_fnt =
+    font.read_vf(<string> name, <number> s)
+\stopfunctioncall
+
+The meaning of the number \type {s} and the format of the returned table are
+similar to the ones in the \type {read_tfm()} function.
+
+\subsection{The fonts array}
+
+The whole table of \TEX\ fonts is accessible from \LUA\ using a virtual array.
+
+\starttyping
+font.fonts[n] = { ... }
+<table> f = font.fonts[n]
+\stoptyping
+
+See \in {chapter} [fonts] for the structure of the tables. Because this is a
+virtual array, you cannot call \type {pairs} on it, but see below for the \type
+{font.each} iterator.
+
+The two metatable functions implementing the virtual array are:
+
+\startfunctioncall
+<table> f = font.getfont(<number> n)
+font.setfont(<number> n, <table> f)
+\stopfunctioncall
+
+Note that at the moment, each access to the \type {font.fonts} or call to \type
+{font.getfont} creates a \LUA\ table for the whole font. This process can be quite
+slow. In a later version of \LUATEX, this interface will change (it will start
+using userdata objects instead of actual tables).
+
+Also note the following: assignments can only be made to fonts that have already
+been defined in \TEX, but have not been accessed {\it at all\/} since that
+definition. This limits the usability of the write access to \type {font.fonts}
+quite a lot, a less stringent ruleset will likely be implemented later.
+
+\subsection{Checking a font's status}
+
+You can test for the status of a font by calling this function:
+
+\startfunctioncall
+<boolean> f =
+    font.frozen(<number> n)
+\stopfunctioncall
+
+The return value is one of \type {true} (unassignable), \type {false} (can be
+changed) or \type {nil} (not a valid font at all).
+
+\subsection{Defining a font directly}
+
+You can define your own font into \type {font.fonts} by calling this function:
+
+\startfunctioncall
+<number> i =
+    font.define(<table> f)
+\stopfunctioncall
+
+The return value is the internal id number of the defined font (the index into
+\type {font.fonts}). If the font creation fails, an error is raised. The table
+is a font structure, as explained in \in {chapter} [fonts].
+
+\subsection{Projected next font id}
+
+\startfunctioncall
+<number> i =
+    font.nextid()
+\stopfunctioncall
+
+This returns the font id number that would be returned by a \type {font.define}
+call if it was executed at this spot in the code flow. This is useful for virtual
+fonts that need to reference themselves.
+
+\subsection{Font id}
+
+\startfunctioncall
+<number> i =
+    font.id(<string> csname)
+\stopfunctioncall
+
+This returns the font id associated with \type {csname} string, or $-1$ if \type
+{csname} is not defined.
+
+\subsection{Currently active font}
+
+\startfunctioncall
+<number> i = font.current()
+font.current(<number> i)
+\stopfunctioncall
+
+This gets or sets the currently used font number.
+
+\subsection{Maximum font id}
+
+\startfunctioncall
+<number> i =
+    font.max()
+\stopfunctioncall
+
+This is the largest used index in \type {font.fonts}.
+
+\subsection{Iterating over all fonts}
+
+\startfunctioncall
+for i,v in font.each() do
+  ...
+end
+\stopfunctioncall
+
+This is an iterator over each of the defined \TEX\ fonts. The first returned
+value is the index in \type {font.fonts}, the second the font itself, as a \LUA\
+table. The indices are listed incrementally, but they do not always form an array
+of consecutive numbers: in some cases there can be holes in the sequence.
+
+\stopchapter
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/luatex/luatex-introduction.tex b/Master/texmf-dist/doc/context/sources/general/manuals/luatex/luatex-introduction.tex
new file mode 100644
index 00000000000..8ab8b4463df
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/luatex/luatex-introduction.tex
@@ -0,0 +1,121 @@
+% language=uk
+
+\environment luatex-style
+\environment luatex-logos
+
+\startcomponent luatex-introduction
+
+\startchapter[title=Introduction]
+
+This is the reference manual of \LUATEX. We don't claim it is complete and we
+assume that the reader knows about \TEX\ as described in \quotation {The \TEX\
+Book}, the \quotation {\ETEX\ manual}, the \quotation {\PDFTEX\ manual}, etc.
+Additional reference material is published in journals of user groups and
+\CONTEXT\ related documentation.
+
+It took about a decade to reach stable version 1.0, but for good reason.
+Successive versions brought new functionality, more control, some cleanup of
+internals and experimental features evolved into stable ones or were dropped.
+Already quite early \LUATEX\ could be used for production and it was used on a
+daily basis by the authors. Successive versions sometimes demanded a adaption to
+the \LUA\ interfacing, but the concepts were unchanged. The current version can
+be considered stable in functionality and there will be no fundamental changes.
+Of course we then can decide to move towards version 2.00 with different
+properties.
+
+Don't expect \LUATEX\ to behave the same as \PDFTEX ! Although the core
+functionality of that 8 bit engine was starting point, it has been combined with
+the directional support of \OMEGA\ (\ALEPH). But, \LUATEX\ can behave different
+due to its wide (32 bit) characters, many registers and large memory support.
+There is native \UTF\ input, support for large (more that 8 bit) fonts, and the
+math machinery is tuned for \OPENTYPE\ math. There is support for directional
+typesetting too. The log output can differ from other engines and will likely
+differ more as we move forward. When you run plain \TEX\ for sure \LUATEX\ runs
+slower than \PDFTEX\ but when you run for instance \CONTEXT\ \MKIV\ in many cases
+it runs faster, especially when you have a bit more complex documents or input.
+Anyway, 32 bit all||over combined with more features has a price, but on a modern
+machine this is no real problem.
+
+Testing is done with \CONTEXT, but \LUATEX\ should work fine with other macro
+packages too. For that purpose we provide generic font handlers that are mostly
+the same as used in \CONTEXT. Discussing specific implementations is beyond this
+manual. Even when we keep \LUATEX\ lean and mean, we already have enough to
+discuss here.
+
+\LUATEX\ consists of a number of interrelated but (still) distinguishable parts.
+The organization of the source code is adapted so that it can glue all these
+components together. We continue cleaning up side effects of the accumulated
+code in \TEX\ engines (especially code that is not needed any longer).
+
+\startitemize[packed]
+    \startitem
+        Most of \PDFTEX\ version 1.40.9, converted to \CCODE. Some experimental
+        features have been removed and some utility macros are not inherited as
+        their functionality can be done in \LUA. The number of backend interface
+        commands has been reduced to a few. The extensions are separated from the
+        core (which we keep close to the original \TEX\ core). Some mechanisms
+        like expansion and protrusion can behave different from the original due
+        to some cleanup and optimization. Some whatsit based functionality (image
+        support and reusable content) is now core functionality.
+    \stopitem
+    \startitem
+        The direction model and some other bits from \ALEPH\ RC4 (derived from
+        \OMEGA) is included. The related primitives are part of core \LUATEX\ but
+        at the node level directional support is no longer based on so called
+        whatsits but on real nodes. In fact, whatsits are now only used for
+        backend specific extensions.
+    \stopitem
+    \startitem
+        Neither \ALEPH's I/O translation processes, nor tcx files, nor \ENCTEX\
+        can be used, these encoding|-|related functions are superseded by a
+        \LUA|-|based solution (reader callbacks). In a similar fashion all file
+        \IO\ can be intercepted.
+    \stopitem
+    \startitem
+        We currently use \LUA\ 5.2.*. At some point we might decide to move to
+        5.3.* but that is yet to be decided. There are few \LUA\ libraries that
+        we consider part of the core \LUA\ machinery, for instance \type {lpeg}.
+        There are additional \LUA\ libraries that interface to the internals of
+        \TEX.
+    \stopitem
+    \startitem
+        There are various \TEX\ extensions but only those that cannot be done
+        using the \LUA\ interfaces. The math machinery often has two code paths:
+        one traditional and the other more suitable for wide \OPENTYPE\ fonts.
+    \stopitem
+    \startitem
+        The fontloader uses parts of \FONTFORGE\ 2008.11.17 combined with
+        additional code specific for usage in a \TEX\ engine. We try to minimize
+        specific font support to what \TEX\ needs: character references and
+        dimensions and delegate everything else to \LUA. That way we keep \TEX\
+        open for extensions without touching the core.
+    \stopitem
+    \startitem
+        The \METAPOST\ library is integral part of \LUATEX. This gives \TEX\ some
+        graphical capabilities using a relative high speed graphical subsystem.
+        Again \LUA\ is used as glue between the frontend and backend. Further
+        development of \METAPOST\ is closely related to \LUATEX.
+    \stopitem
+\stopitemize
+
+The \TEXLIVE\ version is to be considered the current stable version. Any version
+between the yearly \TEXLIVE\ releases are to be considered beta. The beta
+releases are normally available via the \CONTEXT\ distribution channels (the
+garden and so called minimals).
+
+\blank[1*big]
+
+Hans Hagen, Harmut Henkel, \crlf
+Taco Hoekwater \& Luigi Scarso
+
+\blank[3*big]
+
+\starttabulate
+\NC Version  \EQ \currentdate \NC \NR
+\NC \LUATEX  \EQ Snapshot \number\luatexversion.\luatexrevision \NC \NR
+\NC \CONTEXT \EQ \contextversion \NC \NR
+\stoptabulate
+
+\stopchapter
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/luatex/luatex-languages.tex b/Master/texmf-dist/doc/context/sources/general/manuals/luatex/luatex-languages.tex
new file mode 100644
index 00000000000..19e3f7b1458
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/luatex/luatex-languages.tex
@@ -0,0 +1,705 @@
+% language=uk
+
+\environment luatex-style
+\environment luatex-logos
+
+\startcomponent luatex-languages
+
+\startchapter[reference=languages,title={Languages, characters, fonts and glyphs}]
+
+\LUATEX's internal handling of the characters and glyphs that eventually become
+typeset is quite different from the way \TEX82 handles those same objects. The
+easiest way to explain the difference is to focus on unrestricted horizontal mode
+(i.e.\ paragraphs) and hyphenation first. Later on, it will be easy to deal
+with the differences that occur in horizontal and math modes.
+
+In \TEX82, the characters you type are converted into \type {char_node} records
+when they are encountered by the main control loop. \TEX\ attaches and processes
+the font information while creating those records, so that the resulting \quote
+{horizontal list} contains the final forms of ligatures and implicit kerning.
+This packaging is needed because we may want to get the effective width of for
+instance a horizontal box.
+
+When it becomes necessary to hyphenate words in a paragraph, \TEX\ converts (one
+word at time) the \type {char_node} records into a string by replacing ligatures
+with their components and ignoring the kerning. Then it runs the hyphenation
+algorithm on this string, and converts the hyphenated result back into a \quote
+{horizontal list} that is consecutively spliced back into the paragraph stream.
+Keep in mind that the paragraph may contain unboxed horizontal material, which
+then already contains ligatures and kerns and the words therein are part of the
+hyphenation process.
+
+Those \type {char_node} records are somewhat misnamed, as they are glyph
+positions in specific fonts, and therefore not really \quote {characters} in the
+linguistic sense. There is no language information inside the \type {char_node}
+records at all. Instead, language information is passed along using \type
+{language whatsit} records inside the horizontal list.
+
+In \LUATEX, the situation is quite different. The characters you type are always
+converted into \type {glyph_node} records with a special subtype to identify them
+as being intended as linguistic characters. \LUATEX\ stores the needed language
+information in those records, but does not do any font|-|related processing at
+the time of node creation. It only stores the index of the current font and a
+reference to a character in that font.
+
+When it becomes necessary to typeset a paragraph, \LUATEX\ first inserts all
+hyphenation points right into the whole node list. Next, it processes all the
+font information in the whole list (creating ligatures and adjusting kerning),
+and finally it adjusts all the subtype identifiers so that the records are \quote
+{glyph nodes} from now on.
+
+\section[charsandglyphs]{Characters and glyphs}
+
+\TEX82 (including \PDFTEX) differentiates between \type {char_node}s and \type
+{lig_node}s. The former are simple items that contained nothing but a \quote
+{character} and a \quote {font} field, and they lived in the same memory as
+tokens did. The latter also contained a list of components, and a subtype
+indicating whether this ligature was the result of a word boundary, and it was
+stored in the same place as other nodes like boxes and kerns and glues.
+
+In \LUATEX, these two types are merged into one, somewhat larger structure called
+a \type {glyph_node}. Besides having the old character, font, and component
+fields, and the new special fields like \quote {attr} (see~\in {section}
+[glyphnodes]), these nodes also contain:
+
+\startitemize
+
+\startitem A subtype, split into four main types:
+
+    \startitemize
+        \startitem
+            \type {character}, for characters to be hyphenated: the lowest bit
+            (bit 0) is set to 1.
+        \stopitem
+        \startitem
+            \type {glyph}, for specific font glyphs: the lowest bit (bit 0) is
+            not set.
+        \stopitem
+        \startitem
+            \type {ligature}, for ligatures (bit 1 is set)
+        \stopitem
+        \startitem
+            \type {ghost}, for \quote {ghost objects} (bit 2 is set)
+        \stopitem
+    \stopitemize
+
+    The latter two make further use of two extra fields (bits 3 and 4):
+
+    \startitemize
+        \startitem
+            \type {left}, for ligatures created from a left word boundary and for
+            ghosts created from \type {\leftghost}
+        \stopitem
+        \startitem
+            \type {right}, for ligatures created from a right word boundary and
+            for ghosts created from \type {\rightghost}
+        \stopitem
+   \stopitemize
+
+   For ligatures, both bits can be set at the same time (in case of a
+   single|-|glyph word).
+
+\stopitem
+
+\startitem
+    \type {glyph_node}s of type \quote {character} also contain language data,
+    split into four items that were current when the node was created: the
+    \type {\setlanguage} (15 bits), \type {\lefthyphenmin} (8 bits), \type
+    {\righthyphenmin} (8 bits), and \type {\uchyph} (1 bit).
+\stopitem
+
+\stopitemize
+
+Incidentally, \LUATEX\ allows 16383 separate languages, and words can be 256
+characters long. The language is stored with each character. You can set
+\type {\firstvalidlanguage} to for instance~1 and make thereby language~0
+an ignored hyphenation language.
+
+The new primitive \type {\hyphenationmin} can be used to signal the minimal length
+of a word. This value stored with the (current) language.
+
+Because the \type {\uchyph} value is saved in the actual nodes, its handling is
+subtly different from \TEX82: changes to \type {\uchyph} become effective
+immediately, not at the end of the current partial paragraph.
+
+Typeset boxes now always have their language information embedded in the nodes
+themselves, so there is no longer a possible dependency on the surrounding
+language settings. In \TEX82, a mid-paragraph statement like \type {\unhbox0} would
+process the box using the current paragraph language unless there was a
+\type {\setlanguage} issued inside the box. In \LUATEX, all language variables are
+already frozen.
+
+In traditional \TEX\ the process of hyphenation is driven by \type {lccode}s. In
+\LUATEX\ we made this dependency less strong. There are several strategies
+possible. When you do nothing, the currently used \type {lccode}s are used, when
+loading patterns, setting exceptions or hyphenating a list.
+
+When you set \type {\savinghyphcodes} to a value larger than zero the current set
+of \type {lccode}s will be saved with the language. In that case changing a \type
+{lccode} afterwards has no effect. However, you can adapt the set with:
+
+\starttyping
+\hjcode`a=`a
+\stoptyping
+
+This change is global which makes sense if you keep in mind that the moment that
+hyphenation happens is (normally) when the paragraph or a horizontal box is
+constructed. When \type {\savinghyphcodes} was zero when the language got
+initialized you start out with nothing, otherwise you already have a set.
+
+Carrying all this information with each glyph would give too much overhead and
+also make the process of setting up thee codes more complex. A solution with
+\type {hjcode} sets was considered but rejected because in practice the current
+approach is sufficient and it would not be compatible anyway.
+
+Beware: the values are always saved in the format, independent of the setting
+of \type {\savinghyphcodes} at the moment the format is dumped.
+
+A boundary node normally would mark the end of a word which interferes with for
+instance discretionary injection. For this you can use the \type {\wordboundary}
+as trigger. Here are a few examples of usage:
+
+\startbuffer
+    discrete---discrete
+\stopbuffer
+\typebuffer \start \dontcomplain \hsize 1pt \getbuffer \par \stop
+\startbuffer
+    discrete\discretionary{}{}{---}discrete
+\stopbuffer
+\typebuffer \start \dontcomplain \hsize 1pt \getbuffer \par \stop
+\startbuffer
+    discrete\wordboundary\discretionary{}{}{---}discrete
+\stopbuffer
+\typebuffer \start \dontcomplain \hsize 1pt \getbuffer \par \stop
+\startbuffer
+    discrete\wordboundary\discretionary{}{}{---}\wordboundary discrete
+\stopbuffer
+\typebuffer \start \dontcomplain \hsize 1pt \getbuffer \par \stop
+\startbuffer
+    discrete\wordboundary\discretionary{---}{}{}\wordboundary discrete
+\stopbuffer
+\typebuffer \start \dontcomplain \hsize 1pt \getbuffer \par \stop
+
+\section{The main control loop}
+
+In \LUATEX's main loop, almost all input characters that are to be typeset are
+converted into \type {glyph} node records with subtype \quote {character}, but
+there are a few exceptions.
+
+First, the \type {\accent} primitives creates nodes with subtype \quote {glyph}
+instead of \quote {character}: one for the actual accent and one for the
+accentee. The primary reason for this is that \type {\accent} in \TEX82 is
+explicitly dependent on the current font encoding, so it would not make much
+sense to attach a new meaning to the primitive's name, as that would invalidate
+many old documents and macro packages. \footnote {Of course, modern packages will
+not use the \type {\accent} primitive at all but try to map directly on composed
+characters.} A secondary reason is that in \TEX82, \type {\accent} prohibits
+hyphenation of the current word. Since in \LUATEX\ hyphenation only takes place
+on \quote {character} nodes, it is possible to achieve the same effect.
+
+This change of meaning did happen with \type {\char}, that now generates \quote
+{glyph} nodes with a character subtype. In traditional \TEX\ there was a strong
+relationship between the 8|-|bit input encoding, hyphenation and glyphs taken
+from a font. In \LUATEX\ we have \UTF\ input, and in most cases this maps
+directly to a character in a font, apart from glyph replacement in the font
+engine. If you want to access arbitrary glyphs in a font directly you can always
+use \LUA\ to do so, because fonts are available as \LUA\ table.
+
+Second, all the results of processing in math mode eventually become nodes with
+\quote {glyph} subtypes.
+
+Third, the \ALEPH|-|derived commands \type {\leftghost} and \type {\rightghost}
+create nodes of a third subtype: \quote {ghost}. These nodes are ignored
+completely by all further processing until the stage where inter|-|glyph kerning
+is added.
+
+Fourth, automatic discretionaries are handled differently. \TEX82 inserts an
+empty discretionary after sensing an input character that matches the \type
+{\hyphenchar} in the current font. This test is wrong in our opinion: whether or
+not hyphenation takes place should not depend on the current font, it is a
+language property. \footnote {When \TEX\ showed up we didn't have \UNICODE\ yet
+and being limited to eight bits meant that one sometimes had to compromise
+between supporting character input, glyph rendering, hyphenation.}
+
+In \LUATEX, it works like this: if \LUATEX\ senses a string of input characters
+that matches the value of the new integer parameter \type {\exhyphenchar}, it will
+insert an explicit discretionary after that series of nodes. Initex sets the \type
+{\exhyphenchar=`\-}. Incidentally, this is a global parameter instead of a
+language-specific one because it may be useful to change the value depending on
+the document structure instead of the text language.
+
+The insertion of discretionaries after a sequence of explicit hyphens happens at
+the same time as the other hyphenation processing, {\it not\/} inside the main
+control loop.
+
+The only use \LUATEX\ has for \type {\hyphenchar} is at the check whether a word
+should be considered for hyphenation at all. If the \type {\hyphenchar} of the
+font attached to the first character node in a word is negative, then hyphenation
+of that word is abandoned immediately. This behaviour is added for backward
+compatibility only, and the use of \type {\hyphenchar=-1} as a means of
+preventing hyphenation should not be used in new \LUATEX\ documents.
+
+Fifth, \type {\setlanguage} no longer creates whatsits. The meaning of \type
+{\setlanguage} is changed so that it is now an integer parameter like all others.
+That integer parameter is used in \type {\glyph_node} creation to add language
+information to the glyph nodes. In conjunction, the \type {\language} primitive is
+extended so that it always also updates the value of \type {\setlanguage}.
+
+Sixth, the \type {\noboundary} command (that prohibits word boundary processing
+where that would normally take place) now does create nodes. These nodes are
+needed because the exact place of the \type {\noboundary} command in the input
+stream has to be retained until after the ligature and font processing stages.
+
+Finally, there is no longer a \type {main_loop} label in the code. Remember that
+\TEX82 did quite a lot of processing while adding \type {char_nodes} to the
+horizontal list? For speed reasons, it handled that processing code outside of
+the \quote {main control} loop, and only the first character of any \quote {word}
+was handled by that \quote {main control} loop. In \LUATEX, there is no longer a
+need for that (all hard work is done later), and the (now very small) bits of
+character|-|handling code have been moved back inline. When \type
+{\tracingcommands} is on, this is visible because the full word is reported,
+instead of just the initial character.
+
+\section[patternsexceptions]{Loading patterns and exceptions}
+
+The hyphenation algorithm in \LUATEX\ is quite different from the one in \TEX82,
+although it uses essentially the same user input.
+
+After expansion, the argument for \type {\patterns} has to be proper \UTF8 with
+individual patterns separated by spaces, no \type {\char} or \type {\chardef}d
+commands are allowed. The current implementation quite strict and will reject all
+non|-|\UNICODE\ characters.
+
+Likewise, the expanded argument for \type {\hyphenation} also has to be proper
+\UTF8, but here a bit of extra syntax is provided:
+
+\startitemize[n]
+\startitem
+    Three sets of arguments in curly braces (\type {{}{}{}}) indicates a desired
+    complex discretionary, with arguments as in \type {\discretionary}'s command in
+    normal document input.
+\stopitem
+\startitem
+    A \type {-} indicates a desired simple discretionary, cf.\ \type {\-} and \type
+    {\discretionary{-}{}{}} in normal document input.
+\stopitem
+\startitem
+    Internal command names are ignored. This rule is provided especially for \type
+    {\discretionary}, but it also helps to deal with \type {\relax} commands that
+    may sneak in.
+\stopitem
+\startitem
+    An \type {=} indicates a (non|-|discretionary) hyphen in the document input.
+\stopitem
+\stopitemize
+
+The expanded argument is first converted back to a space-separated string while
+dropping the internal command names. This string is then converted into a
+dictionary by a routine that creates key|-|value pairs by converting the other
+listed items. It is important to note that the keys in an exception dictionary
+can always be generated from the values. Here are a few examples:
+
+\starttabulate[|l|l|l|]
+\NC \bf value \NC \bf implied key (input) \NC \bf effect \NC\NR
+\NC \type {ta-ble} \NC table \NC \type {ta\-ble} ($=$ \type {ta\discretionary{-}{}{}ble}) \NC\NR
+\NC \type {ba{k-}{}{c}ken} \NC backen \NC \type {ba\discretionary{k-}{}{c}ken} \NC\NR
+\stoptabulate
+
+The resultant patterns and exception dictionary will be stored under the language
+code that is the present value of \type {\language}.
+
+In the last line of the table, you see there is no \type {\discretionary} command
+in the value: the command is optional in the \TEX-based input syntax. The
+underlying reason for that is that it is conceivable that a whole dictionary of
+words is stored as a plain text file and loaded into \LUATEX\ using one of the
+functions in the \LUA\ \type {lang} library. This loading method is quite a bit
+faster than going through the \TEX\ language primitives, but some (most?) of that
+speed gain would be lost if it had to interpret command sequences while doing so.
+
+It is possible to specify extra hyphenation points in compound words by using
+\type {{-}{}{-}} for the explicit hyphen character (replace \type {-} by the
+actual explicit hyphen character if needed). For example, this matches the word
+\quote {multi|-|word|-|boundaries} and allows an extra break inbetween \quote
+{boun} and \quote {daries}:
+
+\starttyping
+\hyphenation{multi{-}{}{-}word{-}{}{-}boun-daries}
+\stoptyping
+
+The motivation behind the \ETEX\ extension \type {\savinghyphcodes} was that
+hyphenation heavily depended on font encodings. This is no longer true in
+\LUATEX, and the corresponding primitive is basically ignored. Because we now
+have \type {hjcode}, the case relate codes can be used exclusively for \type
+{\uppercase} and \type {\lowercase}.
+
+\section{Applying hyphenation}
+
+The internal structures \LUATEX\ uses for the insertion of discretionaries in
+words is very different from the ones in \TEX82, and that means there are some
+noticeable differences in handling as well.
+
+First and foremost, there is no \quote {compressed trie} involved in hyphenation.
+The algorithm still reads \PATGEN-generated pattern files, but \LUATEX\ uses a
+finite state hash to match the patterns against the word to be hyphenated. This
+algorithm is based on the \quote {libhnj} library used by \OPENOFFICE, which in
+turn is inspired by \TEX.
+
+There are a few differences between \LUATEX\ and \TEX82 that are a direct result
+of the implementation:
+
+\startitemize
+\startitem
+    \LUATEX\ happily hyphenates the full \UNICODE\ character range.
+\stopitem
+\startitem
+    Pattern and exception dictionary size is limited by the available memory
+    only, all allocations are done dynamically. The trie|-|related settings in
+    \type {texmf.cnf} are ignored.
+\stopitem
+\startitem
+    Because there is no \quote {trie preparation} stage, language patterns never
+    become frozen. This means that the primitive \type {\patterns} (and its \LUA\
+    counterpart \type {lang.patterns}) can be used at any time, not only in
+    ini\TEX.
+\stopitem
+\startitem
+    Only the string representation of \type {\patterns} and \type {\hyphenation} is
+    stored in the format file. At format load time, they are simply
+    re|-|evaluated. It follows that there is no real reason to preload languages
+    in the format file. In fact, it is usually not a good idea to do so. It is
+    much smarter to load patterns no sooner than the first time they are actually
+    needed.
+\stopitem
+\startitem
+    \LUATEX\ uses the language-specific variables \type {\prehyphenchar} and \type
+    {\posthyphenchar} in the creation of implicit discretionaries, instead of
+    \TEX82's \type {\hyphenchar}, and the values of the language|-|specific variables
+    \type {\preexhyphenchar} and \type {\postexhyphenchar} for explicit
+    discretionaries (instead of \TEX82's empty discretionary).
+\stopitem
+\startitem
+    The value of the two counters related to hyphenation, \type {\hyphenpenalty}
+    and \type {\exhyphenpenalty}, are now stored in the discretionary nodes. This
+    permits a local overload for explicit \type {\discretionary} commands. The
+    value current when the hyphenation pass is applied is used. When no callbacks
+    are used this is compatible with traditional \TEX. When you apply the \LUA\
+    \type {lang.hyphenate} function the current values are used.
+\stopitem
+\stopitemize
+
+Because we store penalties in the disc node the \type {\discretionary} command has
+been extended to accept an optional penalty specification, so you can do the
+following:
+
+\startbuffer
+\hsize1mm
+1:foo{\hyphenpenalty 10000\discretionary{}{}{}}bar\par
+2:foo\discretionary penalty 10000 {}{}{}bar\par
+3:foo\discretionary{}{}{}bar\par
+\stopbuffer
+
+\typebuffer
+
+This results in:
+
+\blank \start \getbuffer \stop \blank
+
+Inserted characters and ligatures inherit their attributes from the nearest glyph
+node item (usually the preceding one, but the following one for the items
+inserted at the left-hand side of a word).
+
+Word boundaries are no longer implied by font switches, but by language switches.
+One word can have two separate fonts and still be hyphenated correctly (but it
+can not have two different languages, the \type {\setlanguage} command forces a
+word boundary).
+
+All languages start out with \type {\prehyphenchar=`\-}, \type {\posthyphenchar=0},
+\type {\preexhyphenchar=0} and \type {\postexhyphenchar=0}. When you assign the
+values of one of these four parameters, you are actually changing the settings
+for the current \type {\language}, this behaviour is compatible with \type {\patterns}
+and \type {\hyphenation}.
+
+\LUATEX\ also hyphenates the first word in a paragraph. Words can be up to 256
+characters long (up from 64 in \TEX82). Longer words generate an error right now,
+but eventually either the limitation will be removed or perhaps it will become
+possible to silently ignore the excess characters (this is what happens in
+\TEX82, but there the behaviour cannot be controlled).
+
+If you are using the \LUA\ function \type {lang.hyphenate}, you should be aware
+that this function expects to receive a list of \quote {character} nodes. It will
+not operate properly in the presence of \quote {glyph}, \quote {ligature}, or
+\quote {ghost} nodes, nor does it know how to deal with kerning.
+
+The hyphenation exception dictionary is maintained as key|-|value hash, and that
+is also dynamic, so the \type {hyph_size} setting is not used either.
+
+\section{Applying ligatures and kerning}
+
+After all possible hyphenation points have been inserted in the list, \LUATEX\
+will process the list to convert the \quote {character} nodes into \quote {glyph}
+and \quote {ligature} nodes. This is actually done in two stages: first all
+ligatures are processed, then all kerning information is applied to the result
+list. But those two stages are somewhat dependent on each other: If the used font
+makes it possible to do so, the ligaturing stage adds virtual \quote {character}
+nodes to the word boundaries in the list. While doing so, it removes and
+interprets \type {\noboundary} nodes. The kerning stage deletes those word
+boundary items after it is done with them, and it does the same for \quote
+{ghost} nodes. Finally, at the end of the kerning stage, all remaining \quote
+{character} nodes are converted to \quote {glyph} nodes.
+
+This work separation is worth mentioning because, if you overrule from \LUA\ only
+one of the two callbacks related to font handling, then you have to make sure you
+perform the tasks normally done by \LUATEX\ itself in order to make sure that the
+other, non|-|overruled, routine continues to function properly.
+
+Work in this area is not yet complete, but most of the possible cases are handled
+by our rewritten ligaturing engine. At some point all of the possible inputs will
+become supported. \footnote {Not all of this makes sense because we nowadays have
+\OPENTYPE\ fonts and ligature building can happen in ,any different ways there.}
+
+For example, take the word \type {office}, hyphenated \type {of-fice}, using a
+\quote {normal} font with all the \type {f}-\type {f} and \type {f}-\type {i}
+type ligatures:
+
+\starttabulate[|l|l|]
+\NC Initial:               \NC \type {{o}{f}{f}{i}{c}{e}}             \NC\NR
+\NC After hyphenation:     \NC \type {{o}{f}{{-},{},{}}{f}{i}{c}{e}}  \NC\NR
+\NC First ligature stage:  \NC \type {{o}{{f-},{f},{<ff>}}{i}{c}{e}}  \NC\NR
+\NC Final result:          \NC \type {{o}{{f-},{<fi>},{<ffi>}}{c}{e}} \NC\NR
+\stoptabulate
+
+That's bad enough, but let us assume that there is also a hyphenation point
+between the \type {f} and the \type {i}, to create \type {of-f-ice}. Then the
+final result should be:
+
+\starttyping
+{o}{{f-},
+    {{f-},
+     {i},
+     {<fi>}},
+    {{<ff>-},
+     {i},
+     {<ffi>}}}{c}{e}
+\stoptyping
+
+with discretionaries in the post-break text as well as in the replacement text of
+the top-level discretionary that resulted from the first hyphenation point.
+
+Here is that nested solution again, in a different representation:
+
+\starttabulate[|l|l|l|l|]
+\NC         \NC pre              \NC post          \NC replace           \NC \NR
+\NC topdisc \NC \type {f-}$^1$   \NC sub1          \NC sub2              \NC \NR
+\NC sub1    \NC \type {f-}$^2$   \NC \type {i}$^3$ \NC \type {<fi>}$^4$  \NC \NR
+\NC sub2    \NC \type {<ff>-}$^5$\NC \type {i}$^6$ \NC \type {<ffi>}$^7$ \NC \NR
+\stoptabulate
+
+When line breaking is choosing its breakpoints, the following fields will
+eventually be selected:
+
+\starttabulate[|l|l|l|]
+\NC \type {of-f-ice} \NC \type {f-}$^1$    \NC \NR
+\NC                  \NC \type {f-}$^2$    \NC \NR
+\NC                  \NC \type {i}$^3$     \NC \NR
+\NC \type {of-fice}  \NC \type {f-}$^1$    \NC \NR
+\NC                  \NC \type {<fi>}$^4$  \NC \NR
+\NC \type {off-ice}  \NC \type {<ff>-}$^5$ \NC \NR
+\NC                  \NC \type {i}$^6$     \NC \NR
+\NC \type {office}   \NC \type {<ffi>}$^7$ \NC \NR
+\stoptabulate
+
+The current solution in \LUATEX\ is not able to handle nested discretionaries,
+but it is in fact smart enough to handle this fictional \type {of-f-ice} example.
+It does so by combining two sequential discretionary nodes as if they were a
+single object (where the second discretionary node is treated as an extension of
+the first node).
+
+One can observe that the \type {of-f-ice} and \type {off-ice} cases both end with
+the same actual post replacement list (\type {i}), and that this would be the
+case even if that \type {i} was the first item of a potential following ligature
+like \type {ic}. This allows \LUATEX\ to do away with one of the fields, and thus
+make the whole stuff fit into just two discretionary nodes.
+
+The mapping of the seven list fields to the six fields in this discretionary node
+pair is as follows:
+
+\starttabulate[|l|p|]
+\NC \bf field            \NC \bf description \NC \NR
+\NC \type {disc1.pre}     \NC \type {f-}$^1$  \NC \NR
+\NC \type {disc1.post}    \NC \type {<fi>}$^4$  \NC \NR
+\NC \type {disc1.replace} \NC \type {<ffi>}$^7$ \NC \NR
+\NC \type {disc2.pre}     \NC \type {f-}$^2$  \NC \NR
+\NC \type {disc2.post}    \NC \type {i}$^{3{,}6}$\NC \NR
+\NC \type {disc2.replace} \NC \type {<ff>-}$^5$\NC \NR
+\stoptabulate
+
+What is actually generated after ligaturing has been applied is therefore:
+
+\starttyping
+{o}{{f-},
+    {<fi>},
+    {<ffi>}}
+   {{f-},
+    {i},
+    {<ff>-}}{c}{e}
+\stoptyping
+
+The two discretionaries have different subtypes from a discretionary appearing on
+its own: the first has subtype 4, and the second has subtype 5. The need for
+these special subtypes stems from the fact that not all of the fields appear in
+their \quote {normal} location. The second discretionary especially looks odd,
+with things like the \type {<ff>-} appearing in \type {disc2.replace}. The fact
+that some of the fields have different meanings (and different processing code
+internally) is what makes it necessary to have different subtypes: this enables
+\LUATEX\ to distinguish this sequence of two joined discretionary nodes from the
+case of two standalone discretionaries appearing in a row.
+
+Of course there is still that relationship with fonts: ligatures can be implemented by
+mapping a sequence of glyphs onto one glyph, but also by selective replacement and
+kerning. This means that the above examples are just representing the traditional
+approach.
+
+\section{Breaking paragraphs into lines}
+
+This code is still almost unchanged, but because of the above|-|mentioned changes
+with respect to discretionaries and ligatures, line breaking will potentially be
+different from traditional \TEX. The actual line breaking code is still based on
+the \TEX82 algorithms, and it does not expect there to be discretionaries inside
+of discretionaries.
+
+But that situation is now fairly common in \LUATEX, due to the changes to the
+ligaturing mechanism. And also, the \LUATEX\ discretionary nodes are implemented
+slightly different from the \TEX82 nodes: the \type {no_break} text is now
+embedded inside the disc node, where previously these nodes kept their place in
+the horizontal list. In traditional \TEX\ the discretionary node contains a
+counter indicating how many nodes to skip, but in \LUATEX\ we store the pre, post
+and replace text in the discretionary node.
+
+The combined effect of these two differences is that \LUATEX\ does not always use
+all of the potential breakpoints in a paragraph, especially when fonts with many
+ligatures are used. Of course kerning also complicates matters here.
+
+\section{The \type {lang} library}
+
+This library provides the interface to \LUATEX's structure
+representing a language, and the associated functions.
+
+\startfunctioncall
+<language> l = lang.new()
+<language> l = lang.new(<number> id)
+\stopfunctioncall
+
+This function creates a new userdata object. An object of type \type {<language>}
+is the first argument to most of the other functions in the \type {lang}
+library. These functions can also be used as if they were object methods, using
+the colon syntax.
+
+Without an argument, the next available internal id number will be assigned to
+this object. With argument, an object will be created that links to the internal
+language with that id number.
+
+\startfunctioncall
+<number> n = lang.id(<language> l)
+\stopfunctioncall
+
+returns the internal \type {\language} id number this object refers to.
+
+\startfunctioncall
+<string> n = lang.hyphenation(<language> l)
+lang.hyphenation(<language> l, <string> n)
+\stopfunctioncall
+
+Either returns the current hyphenation exceptions for this language, or adds new
+ones. The syntax of the string is explained in~\in {section}
+[patternsexceptions].
+
+\startfunctioncall
+lang.clear_hyphenation(<language> l)
+\stopfunctioncall
+
+Clears the exception dictionary (string) for this language.
+
+\startfunctioncall
+<string> n = lang.clean(<language> l, <string> o)
+<string> n = lang.clean(<string> o)
+\stopfunctioncall
+
+Creates a hyphenation key from the supplied hyphenation value. The syntax of the
+argument string is explained in~\in {section} [patternsexceptions]. This function
+is useful if you want to do something else based on the words in a dictionary
+file, like spell|-|checking.
+
+\startfunctioncall
+<string> n = lang.patterns(<language> l)
+lang.patterns(<language> l, <string> n)
+\stopfunctioncall
+
+Adds additional patterns for this language object, or returns the current set.
+The syntax of this string is explained in~\in {section} [patternsexceptions].
+
+\startfunctioncall
+lang.clear_patterns(<language> l)
+\stopfunctioncall
+
+Clears the pattern dictionary for this language.
+
+\startfunctioncall
+<number> n = lang.prehyphenchar(<language> l)
+lang.prehyphenchar(<language> l, <number> n)
+\stopfunctioncall
+
+Gets or sets the \quote {pre|-|break} hyphen character for implicit hyphenation
+in this language (initially the hyphen, decimal 45).
+
+\startfunctioncall
+<number> n = lang.posthyphenchar(<language> l)
+lang.posthyphenchar(<language> l, <number> n)
+\stopfunctioncall
+
+Gets or sets the \quote {post|-|break} hyphen character for implicit hyphenation
+in this language (initially null, decimal~0, indicating emptiness).
+
+\startfunctioncall
+<number> n = lang.preexhyphenchar(<language> l)
+lang.preexhyphenchar(<language> l, <number> n)
+\stopfunctioncall
+
+Gets or sets the \quote {pre|-|break} hyphen character for explicit hyphenation
+in this language (initially null, decimal~0, indicating emptiness).
+
+\startfunctioncall
+<number> n = lang.postexhyphenchar(<language> l)
+lang.postexhyphenchar(<language> l, <number> n)
+\stopfunctioncall
+
+Gets or sets the \quote {post|-|break} hyphen character for explicit hyphenation
+in this language (initially null, decimal~0, indicating emptiness).
+
+\startfunctioncall
+<boolean> success = lang.hyphenate(<node> head)
+<boolean> success = lang.hyphenate(<node> head, <node> tail)
+\stopfunctioncall
+
+Inserts hyphenation points (discretionary nodes) in a node list. If \type {tail}
+is given as argument, processing stops on that node. Currently, \type {success}
+is always true if \type {head} (and \type {tail}, if specified) are proper nodes,
+regardless of possible other errors.
+
+Hyphenation works only on \quote {characters}, a special subtype of all the glyph
+nodes with the node subtype having the value \type {1}. Glyph modes with
+different subtypes are not processed. See \in {section~} [charsandglyphs] for
+more details.
+
+The following two commands can be used to set or query hj codes:
+
+\startfunctioncall
+lang.sethjcode(<language> l, <number> char, <number> usedchar)
+<number> usedchar = lang.gethjcode(<language> l, <number> char)
+\stopfunctioncall
+
+When you set a hjcode the current sets get initialized unless the set was already
+initialized due to \type {\savinghyphcodes} being larger than zero.
+
+\stopchapter
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/luatex/luatex-logos.tex b/Master/texmf-dist/doc/context/sources/general/manuals/luatex/luatex-logos.tex
new file mode 100644
index 00000000000..7406dd60206
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/luatex/luatex-logos.tex
@@ -0,0 +1,19 @@
+\startenvironment luatex-logos
+
+\logo[DFONT]     {dfont}
+\logo[CFF]       {cff}
+\logo[CMAP]      {CMap}
+\logo[PATGEN]    {patgen}
+\logo[MP]        {MetaPost}
+\logo[METAPOST]  {MetaPost}
+\logo[MPLIB]     {MPlib}
+\logo[COCO]      {coco}
+\logo[SUNOS]     {SunOS}
+\logo[BSD]       {bsd}
+\logo[SYSV]      {sysv}
+\logo[DPI]       {dpi}
+\logo[DLL]       {dll}
+\logo[OPENOFFICE]{OpenOffice}
+\logo[OCP]       {OCP}
+
+\stopenvironment
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/luatex/luatex-lua.tex b/Master/texmf-dist/doc/context/sources/general/manuals/luatex/luatex-lua.tex
new file mode 100644
index 00000000000..79c4e08ed6b
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/luatex/luatex-lua.tex
@@ -0,0 +1,548 @@
+% language=uk
+
+\environment luatex-style
+\environment luatex-logos
+
+\startcomponent luatex-lua
+
+\startchapter[reference=lua,title={\LUA\ general}]
+
+\section[init]{Initialization}
+
+\subsection{\LUATEX\ as a \LUA\ interpreter}
+
+There are some situations that make \LUATEX\ behave like a standalone \LUA\
+interpreter:
+
+\startitemize[packed]
+\startitem
+    if a \type {--luaonly} option is given on the commandline, or
+\stopitem
+\startitem
+    if the executable is named \type {texlua} or \type {luatexlua}, or
+\stopitem
+\startitem
+    if the only non|-|option argument (file) on the commandline has the extension
+    \type {lua} or \type {luc}.
+\stopitem
+\stopitemize
+
+In this mode, it will set \LUA's \type {arg[0]} to the found script name, pushing
+preceding options in negative values and the rest of the command line in the
+positive values, just like the \LUA\ interpreter.
+
+\LUATEX\ will exit immediately after executing the specified \LUA\ script and is,
+in effect, a somewhat bulky stand alone \LUA\ interpreter with a bunch of extra
+preloaded libraries.
+
+\subsection{\LUATEX\ as a \LUA\ byte compiler}
+
+There are two situations that make \LUATEX\ behave like the \LUA\ byte compiler:
+
+\startitemize[packed]
+\startitem if a \type {--luaconly} option is given on the command line, or \stopitem
+\startitem if the executable is named \type {texluac} \stopitem
+\stopitemize
+
+In this mode, \LUATEX\ is exactly like \type {luac} from the stand alone \LUA\
+distribution, except that it does not have the \type {-l} switch, and that it
+accepts (but ignores) the \type {--luaconly} switch.
+
+\subsection{Other commandline processing}
+
+When the \LUATEX\ executable starts, it looks for the \type {--lua} command line
+option. If there is no \type {--lua} option, the command line is interpreted in a
+similar fashion as the other \TEX\ engines. Some options are accepted but have no
+consequence. The following command|-|line options are understood:
+
+\starttabulate[|lT|p|]
+\NC --fmt=FORMAT                 \NC load the format file \type {FORMAT} \NC\NR
+\NC --lua=FILE                   \NC load and execute a \LUA\ initialization script\NC\NR
+\NC --safer                      \NC disable easily exploitable \LUA\ commands \NC\NR
+\NC --nosocket                   \NC disable the \LUA\ socket library \NC\NR
+\NC --help                       \NC display help and exit \NC\NR
+\NC --ini                        \NC be \type {iniluatex}, for dumping formats \NC\NR
+\NC --interaction=STRING         \NC set interaction mode: \type {batchmode}, \type {nonstopmode},
+                                     \type {scrollmode} or \type {errorstopmode} \NC \NR
+\NC --halt-on-error              \NC stop processing at the first error\NC \NR
+\NC --kpathsea-debug=NUMBER      \NC set path searching debugging flags according to
+                                     the bits of \type {NUMBER} \NC \NR
+\NC --progname=STRING            \NC set the program name to \type {STRING} \NC \NR
+\NC --version                    \NC display version and exit \NC \NR
+\NC --credits                    \NC display credits and exit \NC \NR
+\NC --recorder                   \NC enable filename recorder \NC \NR
+\NC --output-comment=STRING      \NC use \type {STRING} for \DVI\ file comment
+                                     instead of date (no effect for \PDF) \NC \NR
+\NC --output-directory=DIR       \NC use \type {DIR} as the directory to write
+                                     files to \NC \NR
+\NC --draftmode                  \NC switch on draft mode i.e.\ generate no
+                                     output in \PDF\ mode \NC \NR
+\NC --output-format=FORMAT       \NC use \type {FORMAT} for job output; \type
+                                     {FORMAT} is \type {dvi} or \type {pdf} \NC
+                                     \NR
+\NC --[no-]shell-escape          \NC disable/enable system calls \NC \NR
+\NC --enable-write18             \NC enable system calls \NC \NR
+\NC --disable-write18            \NC disable system calls \NC \NR
+\NC --shell-restricted           \NC restrict system calls to a list of commands
+                                     given in \type {texmf.cnf} \NC \NR
+\NC --debug-format               \NC enable format debugging \NC \NR
+\NC --[no-]file-line-error       \NC disable/enable \type {file:line:error} style
+                                     messages \NC \NR
+\NC --[no-]file-line-error-style \NC aliases of \type {--[no-]file-line-error} \NC \NR
+\NC --jobname=STRING             \NC set the job name to \type {STRING} \NC \NR
+\NC --[no-]mktex=FMT             \NC disable/enable \type {mktexFMT} generation
+                                     with \type {FMT} is \type {tex} or \type
+                                     {tfm} \NC \NR
+\NC --synctex=NUMBER             \NC enable \type {synctex} \NC \NR
+\stoptabulate
+
+Some of the traditional flags are just ignored: \type {--etex}, \type
+{--translate-file}, \type {--8bit}. \type {--[no-]parse-first-line}, \type
+{--default-translate-file}. Also, we no longer support write18 because \type
+{os.execute} can do the same.
+
+The value to use for \type {\jobname} is decided as follows:
+
+\startitemize
+\startitem
+    If \type {--jobname} is given on the command line, its argument will be the
+    value for \type {\jobname}, without any changes. The argument will not be
+    used for actual input so it need not exist. The \type {--jobname} switch only
+    controls the \type {\jobname} setting.
+\stopitem
+\startitem
+    Otherwise, \type {\jobname} will be the name of the first file that is read
+    from the file system, with any path components and the last extension (the
+    part following the last \type {.}) stripped off.
+\stopitem
+\startitem
+    An exception to the previous point: if the command line goes into interactive
+    mode (by starting with a command) and there are no files input via \type
+    {\everyjob} either, then the \type {\jobname} is set to \type {texput} as a
+    last resort.
+\stopitem
+\stopitemize
+
+The file names for output files that are generated automatically are created by
+attaching the proper extension (\type {log}, \type {pdf}, etc.) to the found
+\type {\jobname}. These files are created in the directory pointed to by \type
+{--output-directory}, or in the current directory, if that switch is not present.
+
+\blank
+
+Without the \type {--lua} option, command line processing works like it does in
+any other web2c-based typesetting engine, except that \LUATEX\ has a few extra
+switches.
+
+If the \type {--lua} option is present, \LUATEX\ will enter an alternative mode
+of command line processing in comparison to the standard web2c programs.
+
+In this mode, a small series of actions is taken in order. First, it will parse
+the command line as usual, but it will only interpret a small subset of the
+options immediately: \type {--safer}, \type {--nosocket}, \type
+{--[no-]shell-escape}, \type {--enable-write18}, \type {--disable-write18}, \type
+{--shell-restricted}, \type {--help}, \type {--version}, and \type {--credits}.
+
+Next \LUATEX\ searches for the requested \LUA\ initialization script. If it
+cannot be found using the actual name given on the command line, a second attempt
+is made by prepending the value of the environment variable \type {LUATEXDIR}, if
+that variable is defined in the environment.
+
+Then it checks the various safety switches. You can use those to disable some
+\LUA\ commands that can easily be abused by a malicious document. At the moment,
+\type {--safer} \type {nil}s the following functions:
+
+\starttabulate[|l|l|]
+\NC \bf library \NC \bf functions \NC \NR
+\NC \type {os}   \NC \type {execute} \type {exec} \type {spawn} \type {setenv} \type {rename} \type {remove} \type {tmpdir} \NC \NR
+\NC \type {io}   \NC \type {popen} \type {output} \type {tmpfile} \NC \NR
+\NC \type {lfs}  \NC \type {rmdir} \type {mkdir} \type {chdir} \type {lock} \type {touch} \NC \NR
+\stoptabulate
+
+Furthermore, it disables loading of compiled \LUA\ libraries and it makes \type
+{io.open()} fail on files that are opened for anything besides reading.
+
+When \LUATEX\ starts it set the locale to a neutral value. If for some reason you
+use \type {os.locale}, you need to make sure you \type {nil} it afterwards
+because otherwise it can interfere with code that for instance generates dates.
+You can nil the locale with
+
+\starttyping
+os.setlocale(nil.nil)
+\stoptyping
+
+The \type {--nosocket} option makes the socket library unavailable, so that \LUA\
+cannot use networking.
+
+The switches \type {--[no-]shell-escape}, \type {--[enable|disable]-write18}, and
+\type {--shell-restricted} have the same effects as in \PDFTEX, and additionally
+make \type {io.popen()}, \type {os.execute}, \type {os.exec} and \type {os.spawn}
+adhere to the requested option.
+
+Next the initialization script is loaded and executed. From within the script,
+the entire command line is available in the \LUA\ table \type {arg}, beginning with
+\type {arg[0]}, containing the name of the executable. As consequence warnings
+about unrecognized options are suppressed.
+
+Command line processing happens very early on. So early, in fact, that none of
+\TEX's initializations have taken place yet. For that reason, the tables that
+deal with typesetting, like \type {tex}, \type {token}, \type {node} and
+\type {pdf}, are off|-|limits during the execution of the startup file (they
+are \type {nil}'d). Special care is taken that \type {texio.write} and \type
+{texio.write_nl} function properly, so that you can at least report your actions
+to the log file when (and if) it eventually becomes opened (note that \TEX\ does
+not even know its \type {\jobname} yet at this point). See \in {chapter} [libraries]
+for more information about the \LUATEX-specific \LUA\ extension tables.
+
+Everything you do in the \LUA\ initialization script will remain visible during
+the rest of the run, with the exception of the \TEX\ specific libraries like
+\type {tex}, \type {token}, \type {node} and \type {pdf} tables. These will be
+initialized to their documented state after the execution of the script. You
+should not store anything in variables or within tables with these four global
+names, as they will be overwritten completely.
+
+We recommend you use the startup file only for your own \TEX|-|independent
+initializations (if you need any), to parse the command line, set values in the
+\type {texconfig} table, and register the callbacks you need.
+
+\LUATEX\ allows some of the command line options to be overridden by reading
+values from the \type {texconfig} table at the end of script execution (see the
+description of the \type {texconfig} table later on in this document for more
+details on which ones exactly).
+
+Unless the \type {texconfig} table tells \LUATEX\ not to initialize \KPATHSEA\
+at all (set \type {texconfig.kpse_init} to \type {false} for that), \LUATEX\
+acts on some more command line options after the initialization script is
+finished: in order to initialize the built|-|in \KPATHSEA\ library properly,
+\LUATEX\ needs to know the correct program name to use, and for that it needs to
+check \type {--progname}, or \type {--ini} and \type {--fmt}, if \type
+{--progname} is missing.
+
+\section{\LUA\ behaviour}
+
+\LUA s \type {tostring} function (and \type {string.format} may return values in
+scientific notation, thereby confusing the \TEX\ end of things when it is used as
+the right|-|hand side of an assignment to a \type {\dimen} or \type {\count}.
+
+Loading dynamic \LUA\ libraries will fail if there are two \LUA\ libraries loaded
+at the same time (which will typically happen on \type {win32}, because there is
+one \LUA\ 5.2 inside \LUATEX, and another will likely be linked to the \DLL\ file
+of the module itself).
+
+\LUATEX\ is able to use the kpathsea library to find \type {require()}d modules.
+For this purpose, \type {package.searchers[2]} is replaced by a different loader
+function, that decides at runtime whether to use kpathsea or the built|-|in core
+\LUA\ function. It uses \KPATHSEA\ when that is already initialized at that point
+in time, otherwise it reverts to using the normal \type {package.path} loader.
+
+Initialization of \KPATHSEA\ can happen either implicitly (when \LUATEX\ starts
+up and the startup script has not set \type {texconfig.kpse_init} to false), or
+explicitly by calling the \LUA\ function \type {kpse.set_program_name()}.
+
+\LUATEX\ is able to use dynamically loadable \LUA\ libraries, unless
+\type {--safer} was given as an option on the command line. For this purpose,
+\type {package.searchers[3]} is replaced by a different loader function, that
+decides at runtime whether to use \KPATHSEA\ or the built|-|in core \LUA\
+function. It uses \KPATHSEA\ when that is already initialized at that point in
+time, otherwise it reverts to using the normal \type {package.cpath} loader.
+
+This functionality required an extension to kpathsea:
+
+\startnarrower
+There is a new kpathsea file format: \type {kpse_clua_format} that searches for
+files with extension \type {.dll} and \type {.so}. The \type {texmf.cnf} setting
+for this variable is \type {CLUAINPUTS}, and by default it has this value:
+
+\starttyping
+CLUAINPUTS=.:$SELFAUTOLOC/lib/{$progname,$engine,}/lua//
+\stoptyping
+
+This path is imperfect (it requires a \TDS\ subtree below the binaries
+directory), but the architecture has to be in the path somewhere, and the
+currently simplest way to do that is to search below the binaries directory only.
+Of course it no big deal to write an alternative loader and use that in a macro
+package.
+
+One level up (a \type {lib} directory parallel to \type {bin}) would have been
+nicer, but that is not doable because \TEXLIVE\ uses a \type {bin/<arch>}
+structure.
+\stopnarrower
+
+In keeping with the other \TEX|-|like programs in \TEXLIVE, the two \LUA\ functions
+\type {os.execute} and \type {io.popen}, as well as the two new functions \type
+{os.exec} and \type {os.spawn} that are explained below, take the value of \type
+{shell_escape} and|/|or \type {shell_escape_commands} in account. Whenever
+\LUATEX\ is run with the assumed intention to typeset a document (and by that we
+mean that it is called as \type {luatex}, as opposed to \type {texlua}, and that
+the command line option \type {--luaonly} was not given), it will only run the
+four functions above if the matching \type {texmf.cnf} variable(s) or their \type
+{texconfig} (see \in {section} [texconfig]) counterparts allow execution of the
+requested system command. In \quote {script interpreter} runs of \LUATEX, these
+settings have no effect, and all four functions function as normal.
+
+The \type {f:read("*line")} and \type {f:lines()} functions from the io library
+have been adjusted so that they are line|-|ending neutral: any of \type {LF},
+\type {CR} or \type {CR+LF} are acceptable line endings.
+
+\type {luafilesystem} has been extended: there are two extra boolean functions
+(\type {lfs.isdir(filename)} and \type {lfs.isfile(filename)}) and one extra
+string field in its attributes table (\type {permissions}). There is an
+additional function \type {lfs.shortname()} which takes a file name and returns
+its short name on \type {win32} platforms. On other platforms, it just returns
+the given argument. The file name is not tested for existence. Finally, for
+non|-|\type {win32} platforms only, there is the new function \type
+{lfs.readlink()} hat takes an existing symbolic link as argument and returns its
+content. It returns an error on \type {win32}.
+
+The \type {string} library has an extra function: \type {string.explode(s[,m])}.
+This function returns an array containing the string argument \type {s} split
+into sub-strings based on the value of the string argument \type {m}. The second
+argument is a string that is either empty (this splits the string into
+characters), a single character (this splits on each occurrence of that
+character, possibly introducing empty strings), or a single character followed by
+the plus sign \type {+} (this special version does not create empty sub-strings).
+The default value for \type {m} is \quote {\type { +}} (multiple spaces). Note:
+\type {m} is not hidden by surrounding braces as it would be if this function was
+written in \TEX\ macros.
+
+The \type {string} library also has six extra iterators that return strings
+piecemeal:
+
+\startitemize
+\startitem
+    \type {string.utfvalues(s)}: an integer value in the \UNICODE\ range
+\stopitem
+\startitem
+    \type {string.utfcharacters(s)}: a string with a single \UTF-8 token in it
+\stopitem
+\startitem
+    \type {string.characters(s)} \NC a string containing one byte
+\stopitem
+\startitem
+    \type {string.characterpairs(s)} two strings each containing one byte or an
+    empty second string if the string length was odd
+\stopitem
+\startitem
+    \type {string.bytes(s)} a single byte value
+\stopitem
+\startitem
+    \type {string.bytepairs(s)} two byte values or nil instead of a number as
+    its second return value if the string length was odd
+\stopitem
+\stopitemize
+
+The \type {string.characterpairs()} and \type {string.bytepairs()} iterators
+are useful especially in the conversion of \UTF16 encoded data into \UTF8.
+
+There is also a two|-|argument form of \type {string.dump()}. The second argument
+is a boolean which, if true, strips the symbols from the dumped data. This
+matches an extension made in \type {luajit}.
+
+The \type {string} library functions \type {len}, \type {lower}, \type {sub}
+etc.\ are not \UNICODE|-|aware. For strings in the \UTF8 encoding, i.e., strings
+containing characters above code point 127, the corresponding functions from the
+\type {slnunicode} library can be used, e.g., \type {unicode.utf8.len}, \type
+{unicode.utf8.lower} etc.\ The exceptions are \type {unicode.utf8.find}, that
+always returns byte positions in a string, and \type {unicode.utf8.match} and
+\type {unicode.utf8.gmatch}. While the latter two functions in general {\it
+are} \UNICODE|-|aware, they fall|-|back to non|-|\UNICODE|-|aware behavior when
+using the empty capture \type {()} but other captures work as expected. For the
+interpretation of character classes in \type {unicode.utf8} functions refer to
+the library sources at \hyphenatedurl {http://luaforge.net/projects/sln}. Version
+5.3 of \LUA\ will provide some native \UTF8 support.
+
+\blank
+
+The \type {os} library has a few extra functions and variables:
+
+\startitemize
+
+\startitem
+    \type {os.selfdir} is a variable that holds the directory path of the
+    actual executable. For example: \type {\directlua {tex.sprint(os.selfdir)}}.
+\stopitem
+
+\startitem
+    \type {os.exec(commandline)} is a variation on \type {os.execute}. Here
+    \type {commandline} can be either a single string or a single table.
+
+    If the argument is a table \LUATEX\ first checks if there is a value at
+    integer index zero. If there is, this is the command to be executed.
+    Otherwise, it will use the value at integer index one. If neither are
+    present, nothing at all happens.
+
+    The set of consecutive values starting at integer~1 in the table are the
+    arguments that are passed on to the command (the value at index~1 becomes
+    \type {arg[0]}). The command is searched for in the execution path, so there
+    is normally no need to pass on a fully qualified path name.
+
+    If the argument is a string, then it is automatically converted into a table
+    by splitting on whitespace. In this case, it is impossible for the command
+    and first argument to differ from each other.
+
+    In the string argument format, whitespace can be protected by putting (part
+    of) an argument inside single or double quotes. One layer of quotes is
+    interpreted by \LUATEX, and all occurrences of \type {\"}, \type {\'} or \type
+    {\\} within the quoted text are unescaped. In the table format, there is no
+    string handling taking place.
+
+    This function normally does not return control back to the \LUA\ script: the
+    command will replace the current process. However, it will return the two
+    values \type {nil} and \type {error} if there was a problem while
+    attempting to execute the command.
+
+    On \MSWINDOWS, the current process is actually kept in memory until after the
+    execution of the command has finished. This prevents crashes in situations
+    where \TEXLUA\ scripts are run inside integrated \TEX\ environments.
+
+    The original reason for this command is that it cleans out the current
+    process before starting the new one, making it especially useful for use in
+    \TEXLUA.
+\stopitem
+
+\startitem
+    \type {os.spawn(commandline)} is a returning version of \type {os.exec},
+    with otherwise identical calling conventions.
+
+    If the command ran ok, then the return value is the exit status of the
+    command. Otherwise, it will return the two values \type {nil} and \type
+    {error}.
+\stopitem
+
+\startitem
+    \type {os.setenv(key,value)} sets a variable in the environment. Passing
+    \type {nil} instead of a value string will remove the variable.
+\stopitem
+
+\startitem
+    \type {os.env} is a hash table containing a dump of the variables and
+    values in the process environment at the start of the run. It is writeable,
+    but the actual environment is {\em not\/} updated automatically.
+\stopitem
+
+\startitem
+    \type {os.gettimeofday()} returns the current \quote {\UNIX\ time}, but as a
+    float. This function is not available on the \SUNOS\ platforms, so do not use
+    this function for portable documents.
+\stopitem
+
+\startitem
+    \type {os.times()}returns the current process times according to \ the
+    \UNIX\ C library function \quote {times}. This function is not available on
+    the \MSWINDOWS\ and \SUNOS\ platforms, so do not use this function for
+    portable documents.
+\stopitem
+
+\startitem
+    \type {os.tmpdir()} creates a directory in the \quote {current directory}
+    with the name \type {luatex.XXXXXX} where the \type {X}-es are replaced by a
+    unique string. The function also returns this string, so you can \type
+    {lfs.chdir()} into it, or \type {nil} if it failed to create the directory.
+    The user is responsible for cleaning up at the end of the run, it does not
+    happen automatically.
+\stopitem
+
+\startitem
+    \type {os.type} is a string that gives a global indication of the class of
+    operating system. The possible values are currently \type {windows}, \type
+    {unix}, and \type {msdos} (you are unlikely to find this value \quote {in the
+    wild}).
+\stopitem
+
+\startitem
+    \type {os.name} is a string that gives a more precise indication of the
+    operating system. These possible values are not yet fixed, and for \type
+    {os.type} values \type {windows} and \type {msdos}, the \type {os.name}
+    values are simply \type {windows} and \type {msdos}
+
+    The list for the type \type {unix} is more precise: \type {linux}, \type
+    {freebsd}, \type {kfreebsd}, \type {cygwin}, \type {openbsd}, \type
+    {solaris}, \type {sunos} (pre-solaris), \type {hpux}, \type {irix}, \type
+    {macosx}, \type {gnu} (hurd), \type {bsd} (unknown, but \BSD|-|like), \type
+    {sysv} (unknown, but \SYSV|-|like), \type {generic} (unknown).
+\stopitem
+
+\startitem
+    \type {os.uname()} returns a table with specific operating system
+    information acquired at runtime. The keys in the returned table are all
+    string valued, and their names are: \type {sysname}, \type {machine}, \type
+    {release}, \type {version}, and \type {nodename}.
+\stopitem
+
+\stopitemize
+
+In stock \LUA, many things depend on the current locale. In \LUATEX, we can't do
+that, because it makes documents unportable.  While \LUATEX\ is running if
+forces the following locale settings:
+
+\starttyping
+LC_CTYPE=C
+LC_COLLATE=C
+LC_NUMERIC=C
+\stoptyping
+
+\section {\LUA\ modules}
+
+Some modules that are normally external to \LUA\ are statically linked in with
+\LUATEX, because they offer useful functionality:
+
+\startitemize
+
+\startitem
+    \type {slnunicode}, from the \type {selene} libraries, \hyphenatedurl
+    {http://luaforge.net/projects/sln}. This library has been slightly extended
+    so that the \type {unicode.utf8.*} functions also accept the first 256 values
+    of plane~18. This is the range \LUATEX\ uses for raw binary output, as
+    explained above.
+\stopitem
+
+\startitem
+    \type {luazip}, from the kepler project, \hyphenatedurl
+    {http://www.keplerproject.org/luazip/}.
+\stopitem
+
+\startitem
+    \type {luafilesystem}, also from the kepler project, \hyphenatedurl
+    {http://www.keplerproject.org/luafilesystem/}.
+\stopitem
+
+\startitem
+    \type {lpeg}, by Roberto Ierusalimschy, \hyphenatedurl
+    {http://www.inf.puc-rio.br/~roberto/lpeg/lpeg.html}. This library is not
+    \UNICODE|-|aware, but interprets strings on a byte|-|per|-|byte basis. This
+    mainly means that \type {lpeg.S} cannot be used with \UTF8 characters encoded
+    in more than two bytes, and thus \type {lpeg.S} will look for one of those
+    two bytes when matching, not the combination of the two. The same is true for
+    \type {lpeg.R}, although the latter will display an error message if used
+    with multibyte characters. Therefore \type {lpeg.R('aä')} results in the
+    message \type {bad argument #1 to 'R' (range must have two characters)},
+    since to \type {lpeg}, \type {ä} is two 'characters' (bytes), so \type {aä}
+    totals three. In practice this is no real issue.
+\stopitem
+
+\startitem
+    \type {lzlib}, by Tiago Dionizio, \hyphenatedurl
+    {http://luaforge.net/projects/lzlib/}.
+\stopitem
+
+\startitem
+    \type {md5}, by Roberto Ierusalimschy \hyphenatedurl
+    {http://www.inf.puc-rio.br/~roberto/md5/md5-5/md5.html}.
+\stopitem
+
+\startitem
+    \type {luasocket}, by Diego Nehab \hyphenatedurl
+    {http://w3.impa.br/~diego/software/luasocket/}. The \type {.lua} support
+    modules from \type {luasocket} are also preloaded inside the executable,
+    there are no external file dependencies.
+\stopitem
+
+\stopitemize
+
+At some point (this also depends on distributions) \LUATEX\ might have these
+libraries loaded on demand. For this reason you can best use \type {require} to
+make sure they are loaded.
+
+\stopchapter
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/luatex/luatex-math.tex b/Master/texmf-dist/doc/context/sources/general/manuals/luatex/luatex-math.tex
new file mode 100644
index 00000000000..cb8d198b1fc
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/luatex/luatex-math.tex
@@ -0,0 +1,1049 @@
+% language=uk
+
+\environment luatex-style
+\environment luatex-logos
+
+\startcomponent luatex-math
+
+\startchapter[reference=math,title={Math}]
+
+The handling of mathematics in \LUATEX\ differs quite a bit from how \TEX82 (and
+therefore \PDFTEX) handles math. First, \LUATEX\ adds primitives and extends some
+others so that \UNICODE\ input can be used easily. Second, all of \TEX82's
+internal special values (for example for operator spacing) have been made
+accessible and changeable via control sequences. Third, there are extensions that
+make it easier to use \OPENTYPE\ math fonts. And finally, there are some
+extensions that have been proposed or considered in the past that are now added
+to the engine.
+
+\section{The current math style}
+
+It is possible to discover the math style that will be used for a formula in an
+expandable fashion (while the math list is still being read). To make this
+possible, \LUATEX\ adds the new primitive: \type {\mathstyle}. This is a \quote
+{convert command} like e.g. \type {\romannumeral}: its value can only be read,
+not set.
+
+\subsection{\type {\mathstyle}}
+
+The returned value is between 0 and 7 (in math mode), or $-1$ (all other modes).
+For easy testing, the eight math style commands have been altered so that the can
+be used as numeric values, so you can write code like this:
+
+\starttyping
+\ifnum\mathstyle=\textstyle
+    \message{normal text style}
+\else \ifnum\mathstyle=\crampedtextstyle
+    \message{cramped text style}
+\fi \fi
+\stoptyping
+
+\subsection{\type {\Ustack}}
+
+There are a few math commands in \TEX\ where the style that will be used is not
+known straight from the start. These commands (\type {\over}, \type {\atop},
+\type {\overwithdelims}, \type {\atopwithdelims}) would therefore normally return
+wrong values for \type {\mathstyle}. To fix this, \LUATEX\ introduces a special
+prefix command: \type {\Ustack}:
+
+\starttyping
+$\Ustack {a \over b}$
+\stoptyping
+
+The \type {\Ustack} command will scan the next brace and start a new math group
+with the correct (numerator) math style.
+
+\section{Unicode math characters}
+
+Character handling is now extended up to the full \UNICODE\ range (the \type {\U}
+prefix), which is compatible with \XETEX.
+
+The math primitives from \TEX\ are kept as they are, except for the ones that
+convert from input to math commands: \type {mathcode}, and \type {delcode}. These
+two now allow for a 21-bit character argument on the left hand side of the equals
+sign.
+
+Some of the new \LUATEX\ primitives read more than one separate value. This is
+shown in the tables below by a plus sign in the second column.
+
+The input for such primitives would look like this:
+
+\starttyping
+\def\overbrace{\Umathaccent 0 1 "23DE }
+\stoptyping
+
+The altered \TEX82 primitives are:
+
+\starttabulate[|l|l|r|c|l|r|]
+\NC \bf primitive     \NC \bf min \NC \bf max \NC \kern 2em  \NC \bf min \NC \bf max \NC \NR
+\NC \type {\mathcode} \NC 0       \NC 10FFFF  \NC =          \NC 0       \NC 8000    \NC \NR
+\NC \type {\delcode}  \NC 0       \NC 10FFFF  \NC =          \NC 0       \NC FFFFFF  \NC \NR
+\stoptabulate
+
+The unaltered ones are:
+
+\starttabulate[|l|l|r|]
+\NC \bf primitive        \NC \bf min \NC \bf max \NC \NR
+\NC \type {\mathchardef} \NC 0       \NC    8000 \NC \NR
+\NC \type {\mathchar}    \NC 0       \NC    7FFF \NC \NR
+\NC \type {\mathaccent}  \NC 0       \NC    7FFF \NC \NR
+\NC \type {\delimiter}   \NC 0       \NC 7FFFFFF \NC \NR
+\NC \type {\radical}     \NC 0       \NC 7FFFFFF \NC \NR
+\stoptabulate
+
+For practical reasons \type {\mathchardef} will silently accept values larger
+that \type {0x8000} and interpret it as \type {\Umathcharnumdef}. This is needed
+to satisfy older macro packages.
+
+The following new primitives are compatible with \XETEX:
+
+% somewhat fuzzy:
+
+\starttabulate[|l|l|r|c|l|r|]
+\NC \bf primitive                           \NC \bf min   \NC \bf max             \NC \kern 2em  \NC \bf min   \NC \bf max                    \NC \NR
+\NC \type {\Umathchardef}                   \NC 0+0+0     \NC 7+FF+10FFFF\rlap{\high{1}}   \NC   \NC           \NC                            \NC \NR
+\NC \type {\Umathcharnumdef}\rlap{\high{5}} \NC -80000000 \NC    7FFFFFFF\rlap{\high{3}}   \NC   \NC           \NC                            \NC \NR
+\NC \type {\Umathcode}                      \NC 0         \NC      10FFFF                  \NC = \NC 0+0+0     \NC 7+FF+10FFFF\rlap{\high{1}} \NC \NR
+\NC \type {\Udelcode}                       \NC 0         \NC      10FFFF                  \NC = \NC 0+0       \NC   FF+10FFFF\rlap{\high{2}} \NC \NR
+\NC \type {\Umathchar}                      \NC 0+0+0     \NC 7+FF+10FFFF                  \NC   \NC           \NC                            \NC \NR
+\NC \type {\Umathaccent}                    \NC 0+0+0     \NC 7+FF+10FFFF\rlap{\high{2,4}} \NC   \NC           \NC                            \NC \NR
+\NC \type {\Udelimiter}                     \NC 0+0+0     \NC 7+FF+10FFFF\rlap{\high{2}}   \NC   \NC           \NC                            \NC \NR
+\NC \type {\Uradical}                       \NC 0+0       \NC   FF+10FFFF\rlap{\high{2}}   \NC   \NC           \NC                            \NC \NR
+\NC \type {\Umathcharnum}                   \NC -80000000 \NC    7FFFFFFF\rlap{\high{3}}   \NC   \NC           \NC                            \NC \NR
+\NC \type {\Umathcodenum}                   \NC 0         \NC      10FFFF                  \NC = \NC -80000000 \NC    7FFFFFFF\rlap{\high{3}} \NC \NR
+\NC \type {\Udelcodenum}                    \NC 0         \NC      10FFFF                  \NC = \NC -80000000 \NC    7FFFFFFF\rlap{\high{3}} \NC \NR
+\stoptabulate
+
+Specifications typically look like:
+
+\starttyping
+\Umathchardef\xx="1"0"456
+\Umathcode   123="1"0"789
+\stoptyping
+
+Note 1: The new primitives that deal with delimiter|-|style objects do not set up a
+\quote {large family}. Selecting a suitable size for display purposes is expected
+to be dealt with by the font via the \type {\Umathoperatorsize} parameter (more
+information can be found in a following section).
+
+Note 2: For these three primitives, all information is packed into a single
+signed integer. For the first two (\type {\Umathcharnum} and \type
+{\Umathcodenum}), the lowest 21 bits are the character code, the 3 bits above
+that represent the math class, and the family data is kept in the topmost bits
+(This means that the values for math families 128--255 are actually negative).
+For \type {\Udelcodenum} there is no math class. The math family information is
+stored in the bits directly on top of the character code. Using these three
+commands is not as natural as using the two- and three|-|value commands, so
+unless you know exactly what you are doing and absolutely require the speedup
+resulting from the faster input scanning, it is better to use the verbose
+commands instead.
+
+Note 3: The \type {\Umathaccent} command accepts optional keywords to control
+various details regarding math accents. See \in {section} [mathacc] below for
+details.
+
+New primitives that exist in \LUATEX\ only (all of these will be explained
+in following sections):
+
+\starttabulate[|l|l|l|l|]
+\NC \bf primitive         \NC \bf value range (in hex) \NC \NR
+\NC \type {\Uroot}           \NC 0+0--FF+10FFFF$^2$       \NC \NR
+\NC \type {\Uoverdelimiter}  \NC 0+0--FF+10FFFF$^2$       \NC \NR
+\NC \type {\Uunderdelimiter} \NC 0+0--FF+10FFFF$^2$       \NC \NR
+\NC \type {\Udelimiterover}  \NC 0+0--FF+10FFFF$^2$       \NC \NR
+\NC \type {\Udelimiterunder} \NC 0+0--FF+10FFFF$^2$       \NC \NR
+\stoptabulate
+
+\section{Cramped math styles}
+
+\LUATEX\ has four new primitives to set the cramped math styles directly:
+
+\starttyping
+\crampeddisplaystyle
+\crampedtextstyle
+\crampedscriptstyle
+\crampedscriptscriptstyle
+\stoptyping
+
+These additional commands are not all that valuable on their own, but they come
+in handy as arguments to the math parameter settings that will be added shortly.
+
+In Eijkhouts \quotation {\TEX\ by Topic} the rules for handling styles in scripts
+are described as follows:
+
+\startitemize
+\startitem
+    In any style superscripts and subscripts are taken from the next smaller style.
+    Exception: in display style they are taken in script style.
+\stopitem
+\startitem
+    Subscripts are always in the cramped variant of the style; superscripts are only
+    cramped if the original style was cramped.
+\stopitem
+\startitem
+    In an \type {..\over..} formula in any style the numerator and denominator are
+    taken from the next smaller style.
+\stopitem
+\startitem
+    The denominator is always in cramped style; the numerator is only in cramped
+    style if the original style was cramped.
+\stopitem
+\startitem
+    Formulas under a \type {\sqrt} or \type {\overline} are in cramped style.
+\stopitem
+\stopitemize
+
+In \LUATEX\ one can set the styles in more detail which means that you sometimes
+have to set both normal and cramped styles to get the effect you want. If we
+force styles in the script using \type {\scriptstyle} and \type {\crampedscriptstyle}
+we get this:
+
+\startbuffer[demo]
+\starttabulate
+\NC default       \NC $b_{x=xx}^{x=xx}$ \NC \NR
+\NC script        \NC $b_{\scriptstyle x=xx}^{\scriptstyle x=xx}$ \NC \NR
+\NC crampedscript \NC $b_{\crampedscriptstyle x=xx}^{\crampedscriptstyle x=xx}$ \NC \NR
+\stoptabulate
+\stopbuffer
+
+\getbuffer[demo]
+
+Now we set the following parameters
+
+\startbuffer[setup]
+\Umathordrelspacing\scriptstyle=30mu
+\Umathordordspacing\scriptstyle=30mu
+\stopbuffer
+
+\typebuffer[setup]
+
+This gives:
+
+\start\getbuffer[setup,demo]\stop
+
+But, as this is not what is expected (visually) we should say:
+
+\startbuffer[setup]
+\Umathordrelspacing\scriptstyle=30mu
+\Umathordordspacing\scriptstyle=30mu
+\Umathordrelspacing\crampedscriptstyle=30mu
+\Umathordordspacing\crampedscriptstyle=30mu
+\stopbuffer
+
+\typebuffer[setup]
+
+Now we get:
+
+\start\getbuffer[setup,demo]\stop
+
+\section{Math parameter settings}
+
+In \LUATEX, the font dimension parameters that \TEX\ used in math typesetting are
+now accessible via primitive commands. In fact, refactoring of the math engine
+has resulted in many more parameters than were accessible before.
+
+\starttabulate
+\NC \bf primitive name               \NC \bf description \NC \NR
+\NC \type {\Umathquad}               \NC the width of 18 mu's \NC \NR
+\NC \type {\Umathaxis}               \NC height of the vertical center axis of
+                                         the math formula above the baseline \NC \NR
+\NC \type {\Umathoperatorsize}       \NC minimum size of large operators in display mode \NC \NR
+\NC \type {\Umathoverbarkern}        \NC vertical clearance above the rule \NC \NR
+\NC \type {\Umathoverbarrule}        \NC the width of the rule \NC \NR
+\NC \type {\Umathoverbarvgap}        \NC vertical clearance below the rule \NC \NR
+\NC \type {\Umathunderbarkern}       \NC vertical clearance below the rule \NC \NR
+\NC \type {\Umathunderbarrule}       \NC the width of the rule \NC \NR
+\NC \type {\Umathunderbarvgap}       \NC vertical clearance above the rule \NC \NR
+\NC \type {\Umathradicalkern}        \NC vertical clearance above the rule \NC \NR
+\NC \type {\Umathradicalrule}        \NC the width of the rule \NC \NR
+\NC \type {\Umathradicalvgap}        \NC vertical clearance below the rule \NC \NR
+\NC \type {\Umathradicaldegreebefore}\NC the forward kern that takes place before placement of
+                                         the radical degree \NC \NR
+\NC \type {\Umathradicaldegreeafter} \NC the backward kern that takes place after placement of
+                                         the radical degree \NC \NR
+\NC \type {\Umathradicaldegreeraise} \NC this is the percentage of the total height and depth of
+                                         the radical sign that the degree is raised by; it is
+                                         expressed in \type {percents}, so 60\% is expressed as the
+                                         integer $60$ \NC \NR
+\NC \type {\Umathstackvgap}          \NC vertical clearance between the two
+                                         elements in a \type {\atop} stack \NC \NR
+\NC \type {\Umathstacknumup}         \NC numerator shift upward in \type {\atop} stack \NC \NR
+\NC \type {\Umathstackdenomdown}     \NC denominator shift downward in \type {\atop} stack \NC \NR
+\NC \type {\Umathfractionrule}       \NC the width of the rule in a \type {\over} \NC \NR
+\NC \type {\Umathfractionnumvgap}    \NC vertical clearance between the numerator and the rule \NC \NR
+\NC \type {\Umathfractionnumup}      \NC numerator shift upward in \type {\over} \NC \NR
+\NC \type {\Umathfractiondenomvgap}  \NC vertical clearance between the denominator and the rule \NC \NR
+\NC \type {\Umathfractiondenomdown}  \NC denominator shift downward in \type {\over} \NC \NR
+\NC \type {\Umathfractiondelsize}    \NC minimum delimiter size for \type {\...withdelims} \NC \NR
+\NC \type {\Umathlimitabovevgap}     \NC vertical clearance for limits above operators \NC \NR
+\NC \type {\Umathlimitabovebgap}     \NC vertical baseline clearance for limits above operators \NC \NR
+\NC \type {\Umathlimitabovekern}     \NC space reserved at the top of the limit \NC \NR
+\NC \type {\Umathlimitbelowvgap}     \NC vertical clearance for limits below operators \NC \NR
+\NC \type {\Umathlimitbelowbgap}     \NC vertical baseline clearance for limits below operators \NC \NR
+\NC \type {\Umathlimitbelowkern}     \NC space reserved at the bottom of the limit \NC \NR
+\NC \type {\Umathoverdelimitervgap}  \NC vertical clearance for limits above delimiters \NC \NR
+\NC \type {\Umathoverdelimiterbgap}  \NC vertical baseline clearance for limits above delimiters \NC \NR
+\NC \type {\Umathunderdelimitervgap} \NC vertical clearance for limits below delimiters \NC \NR
+\NC \type {\Umathunderdelimiterbgap} \NC vertical baseline clearance for limits below delimiters \NC \NR
+\NC \type {\Umathsubshiftdrop}       \NC subscript drop for boxes and subformulas \NC \NR
+\NC \type {\Umathsubshiftdown}       \NC subscript drop for characters \NC \NR
+\NC \type {\Umathsupshiftdrop}       \NC superscript drop (raise, actually) for boxes and subformulas \NC \NR
+\NC \type {\Umathsupshiftup}         \NC superscript raise for characters \NC \NR
+\NC \type {\Umathsubsupshiftdown}    \NC subscript drop in the presence of a superscript \NC \NR
+\NC \type {\Umathsubtopmax}          \NC the top of standalone subscripts cannot be higher than this
+                                         above the baseline \NC \NR
+\NC \type {\Umathsupbottommin}       \NC the bottom of standalone superscripts cannot be less than
+                                         this above the baseline \NC \NR
+\NC \type {\Umathsupsubbottommax}    \NC the bottom of the superscript of a combined super- and subscript
+                                         be at least as high as this above the baseline \NC \NR
+\NC \type {\Umathsubsupvgap}         \NC vertical clearance between super- and subscript \NC \NR
+\NC \type {\Umathspaceafterscript}   \NC additional space added after a super- or subscript \NC \NR
+\NC \type {\Umathconnectoroverlapmin}\NC minimum overlap between parts in an extensible recipe \NC \NR
+\stoptabulate
+
+Each of the parameters in this section can be set by a command like this:
+
+\starttyping
+\Umathquad\displaystyle=1em
+\stoptyping
+
+they obey grouping, and you can use \type {\the\Umathquad\displaystyle} if
+needed.
+
+\section{Skips around display math}
+
+The injection of \type {\abovedisplayskip} and \type {\belowdisplayskip} is not
+symmetrical. An above one is always inserted, also when zero, but the below is
+only inserted when larger than zero. Especially the later mkes it sometimes hard
+to fully control spacing. Therefore \LUATEX\ comes with a new directive: \type
+{\mathdisplayskipmode}. The following values apply:
+
+\starttabulate
+\NC 0 \NC normal \TEX\ behaviour: always above, only below when larger than zero \NC \NR
+\NC 1 \NC always \NC \NR
+\NC 2 \NC only when not zero \NC \NR
+\NC 3 \NC never, not even when not zero \NC \NR
+\stoptabulate
+
+\section{Font-based Math Parameters}
+
+While it is nice to have these math parameters available for tweaking, it would
+be tedious to have to set each of them by hand. For this reason, \LUATEX\
+initializes a bunch of these parameters whenever you assign a font identifier to
+a math family based on either the traditional math font dimensions in the font
+(for assignments to math family~2 and~3 using \TFM|-|based fonts like \type
+{cmsy} and \type {cmex}), or based on the named values in a potential \type
+{MathConstants} table when the font is loaded via Lua. If there is a \type
+{MathConstants} table, this takes precedence over font dimensions, and in that
+case no attention is paid to which family is being assigned to: the \type
+{MathConstants} tables in the last assigned family sets all parameters.
+
+In the table below, the one|-|letter style abbreviations and symbolic tfm font
+dimension names match those using in the \TeX book. Assignments to \type
+{\textfont} set the values for the cramped and uncramped display and text styles,
+\type {\scriptfont} sets the script styles, and \type {\scriptscriptfont} sets
+the scriptscript styles, so we have eight parameters for three font sizes. In the
+\TFM\ case, assignments only happen in family~2 and family~3 (and of course only
+for the parameters for which there are font dimensions).
+
+Besides the parameters below, \LUATEX\ also looks at the \quote {space} font
+dimension parameter. For math fonts, this should be set to zero.
+
+\start
+
+\switchtobodyfont[8pt]
+
+\starttabulate[|l|l|l|p|]
+\NC \bf variable                      \NC \bf style             \NC \bf default value opentype               \NC \bf default value tfm \NC \NR
+\NC \type {\Umathaxis}                \NC --                    \NC AxisHeight                               \NC axis_height \NC \NR
+\NC \type {\Umathoperatorsize}        \NC D, D'                 \NC DisplayOperatorMinHeight                 \NC $^6$ \NC \NR
+\NC \type {\Umathfractiondelsize}     \NC D, D'                 \NC FractionDelimiterDisplayStyleSize$^9$    \NC delim1 \NC \NR
+\NC                                   \NC T, T', S, S', SS, SS' \NC FractionDelimiterSize$^9$                \NC delim2 \NC \NR
+\NC \type {\Umathfractiondenomdown}   \NC D, D'                 \NC FractionDenominatorDisplayStyleShiftDown \NC denom1 \NC \NR
+\NC                                   \NC T, T', S, S', SS, SS' \NC FractionDenominatorShiftDown             \NC denom2 \NC \NR
+\NC \type {\Umathfractiondenomvgap}   \NC D, D'                 \NC FractionDenominatorDisplayStyleGapMin    \NC 3*default_rule_thickness \NC \NR
+\NC                                   \NC T, T', S, S', SS, SS' \NC FractionDenominatorGapMin                \NC default_rule_thickness \NC \NR
+\NC \type {\Umathfractionnumup}       \NC D, D'                 \NC FractionNumeratorDisplayStyleShiftUp     \NC num1 \NC \NR
+\NC                                   \NC T, T', S, S', SS, SS' \NC FractionNumeratorShiftUp                 \NC num2 \NC \NR
+\NC \type {\Umathfractionnumvgap}     \NC D, D'                 \NC FractionNumeratorDisplayStyleGapMin      \NC 3*default_rule_thickness \NC \NR
+\NC                                   \NC T, T', S, S', SS, SS' \NC FractionNumeratorGapMin                  \NC default_rule_thickness \NC \NR
+\NC \type {\Umathfractionrule}        \NC --                    \NC FractionRuleThickness                    \NC default_rule_thickness \NC \NR
+\NC \type {\Umathskewedfractionhgap}  \NC --                    \NC SkewedFractionHorizontalGap              \NC math_quad/2 \NC \NR
+\NC \type {\Umathskewedfractionvgap}  \NC --                    \NC SkewedFractionVerticalGap                \NC math_x_height \NC \NR
+\NC \type {\Umathlimitabovebgap}      \NC --                    \NC UpperLimitBaselineRiseMin                \NC big_op_spacing3 \NC \NR
+\NC \type {\Umathlimitabovekern}      \NC --                    \NC 0$^1$                                    \NC big_op_spacing5 \NC \NR
+\NC \type {\Umathlimitabovevgap}      \NC --                    \NC UpperLimitGapMin                         \NC big_op_spacing1 \NC \NR
+\NC \type {\Umathlimitbelowbgap}      \NC --                    \NC LowerLimitBaselineDropMin                \NC big_op_spacing4 \NC \NR
+\NC \type {\Umathlimitbelowkern}      \NC --                    \NC 0$^1$                                    \NC big_op_spacing5 \NC \NR
+\NC \type {\Umathlimitbelowvgap}      \NC --                    \NC LowerLimitGapMin                         \NC big_op_spacing2 \NC \NR
+\NC \type {\Umathoverdelimitervgap}   \NC --                    \NC StretchStackGapBelowMin                  \NC big_op_spacing1 \NC \NR
+\NC \type {\Umathoverdelimiterbgap}   \NC --                    \NC StretchStackTopShiftUp                   \NC big_op_spacing3 \NC \NR
+\NC \type {\Umathunderdelimitervgap}  \NC--                     \NC StretchStackGapAboveMin                  \NC big_op_spacing2 \NC \NR
+\NC \type {\Umathunderdelimiterbgap}  \NC--                     \NC StretchStackBottomShiftDown              \NC big_op_spacing4 \NC \NR
+\NC \type {\Umathoverbarkern}         \NC --                    \NC OverbarExtraAscender                     \NC default_rule_thickness \NC \NR
+\NC \type {\Umathoverbarrule}         \NC --                    \NC OverbarRuleThickness                     \NC default_rule_thickness \NC \NR
+\NC \type {\Umathoverbarvgap}         \NC --                    \NC OverbarVerticalGap                       \NC 3*default_rule_thickness \NC \NR
+\NC \type {\Umathquad}                \NC --                    \NC <font_size(f)>$^1$                       \NC math_quad \NC \NR
+\NC \type {\Umathradicalkern}         \NC --                    \NC RadicalExtraAscender                     \NC default_rule_thickness \NC \NR
+\NC \type {\Umathradicalrule}         \NC --                    \NC RadicalRuleThickness                     \NC <not set>$^2$ \NC \NR
+\NC \type {\Umathradicalvgap}         \NC D, D'                 \NC RadicalDisplayStyleVerticalGap           \NC (default_rule_thickness+\crlf
+                                                                                                                 (abs(math_x_height)/4))$^3$ \NC \NR
+\NC                                   \NC T, T', S, S', SS, SS' \NC RadicalVerticalGap                       \NC (default_rule_thickness+\crlf
+                                                                                                                 (abs(default_rule_thickness)/4))$^3$ \NC \NR
+\NC \type {\Umathradicaldegreebefore} \NC --                    \NC RadicalKernBeforeDegree                  \NC <not set>$^2$ \NC \NR
+\NC \type {\Umathradicaldegreeafter}  \NC --                    \NC RadicalKernAfterDegree                   \NC <not set>$^2$ \NC \NR
+\NC \type {\Umathradicaldegreeraise}  \NC --                    \NC RadicalDegreeBottomRaisePercent          \NC <not set>$^{2,7}$ \NC \NR
+\NC \type {\Umathspaceafterscript}    \NC --                    \NC SpaceAfterScript                         \NC script_space$^4$ \NC \NR
+\NC \type {\Umathstackdenomdown}      \NC D, D'                 \NC StackBottomDisplayStyleShiftDown         \NC denom1 \NC \NR
+\NC                                   \NC T, T', S, S', SS, SS' \NC StackBottomShiftDown                     \NC denom2 \NC \NR
+\NC \type {\Umathstacknumup}          \NC D, D'                 \NC StackTopDisplayStyleShiftUp              \NC num1 \NC \NR
+\NC                                   \NC T, T', S, S', SS, SS' \NC StackTopShiftUp                          \NC num3 \NC \NR
+\NC \type {\Umathstackvgap}           \NC D, D'                 \NC StackDisplayStyleGapMin                  \NC 7*default_rule_thickness \NC \NR
+\NC                                   \NC T, T', S, S', SS, SS' \NC StackGapMin                              \NC 3*default_rule_thickness \NC \NR
+\NC \type {\Umathsubshiftdown}        \NC --                    \NC SubscriptShiftDown                       \NC sub1 \NC \NR
+\NC \type {\Umathsubshiftdrop}        \NC --                    \NC SubscriptBaselineDropMin                 \NC sub_drop \NC \NR
+\NC \type {\Umathsubsupshiftdown}     \NC --                    \NC SubscriptShiftDownWithSuperscript$^8$    \NC \NC \NR
+\NC                                   \NC                       \NC \quad\ or SubscriptShiftDown             \NC sub2 \NC \NR
+\NC \type {\Umathsubtopmax}           \NC --                    \NC SubscriptTopMax                          \NC (abs(math_x_height * 4) / 5) \NC \NR
+\NC \type {\Umathsubsupvgap}          \NC --                    \NC SubSuperscriptGapMin                     \NC 4*default_rule_thickness \NC \NR
+\NC \type {\Umathsupbottommin}        \NC --                    \NC SuperscriptBottomMin                     \NC (abs(math_x_height) / 4) \NC \NR
+\NC \type {\Umathsupshiftdrop}        \NC --                    \NC SuperscriptBaselineDropMax               \NC sup_drop \NC \NR
+\NC \type {\Umathsupshiftup}          \NC D                     \NC SuperscriptShiftUp                       \NC sup1 \NC \NR
+\NC                                   \NC T, S, SS,             \NC SuperscriptShiftUp                       \NC sup2 \NC \NR
+\NC                                   \NC D', T', S', SS'       \NC SuperscriptShiftUpCramped                \NC sup3 \NC \NR
+\NC \type {\Umathsupsubbottommax}     \NC --                    \NC SuperscriptBottomMaxWithSubscript        \NC (abs(math_x_height * 4) / 5) \NC \NR
+\NC \type {\Umathunderbarkern}        \NC --                    \NC UnderbarExtraDescender                   \NC default_rule_thickness \NC \NR
+\NC \type {\Umathunderbarrule}        \NC --                    \NC UnderbarRuleThickness                    \NC default_rule_thickness \NC \NR
+\NC \type {\Umathunderbarvgap}        \NC --                    \NC UnderbarVerticalGap                      \NC 3*default_rule_thickness \NC \NR
+\NC \type {\Umathconnectoroverlapmin} \NC --                    \NC MinConnectorOverlap                      \NC 0$^5$ \NC \NR
+\stoptabulate
+
+\stop
+
+Note 1: \OPENTYPE\ fonts set \type {\Umathlimitabovekern} and \type
+{\Umathlimitbelowkern} to zero and set \type {\Umathquad} to the font size of the
+used font, because these are not supported in the \type {MATH} table,
+
+Note 2: Traditional \TFM\ fonts do not set \type {\Umathradicalrule} because
+\TEX82\ uses the height of the radical instead. When this parameter is indeed not
+set when \LUATEX\ has to typeset a radical, a backward compatibility mode will
+kick in that assumes that an oldstyle \TEX\ font is used. Also, they do not set
+\type {\Umathradicaldegreebefore}, \type {\Umathradicaldegreeafter}, and \type
+{\Umathradicaldegreeraise}. These are then automatically initialized to
+$5/18$quad, $-10/18$quad, and 60.
+
+Note 3: If \TFM\ fonts are used, then the \type {\Umathradicalvgap} is not set
+until the first time \LUATEX\ has to typeset a formula because this needs
+parameters from both family~2 and family~3. This provides a partial backward
+compatibility with \TEX82, but that compatibility is only partial: once the \type
+{\Umathradicalvgap} is set, it will not be recalculated any more.
+
+Note 4: When \TFM\ fonts are used a similar situation arises with respect to
+\type {\Umathspaceafterscript}: it is not set until the first time \LUATEX\ has
+to typeset a formula. This provides some backward compatibility with \TEX82. But
+once the \type {\Umathspaceafterscript} is set, \type {\scriptspace} will never
+be looked at again.
+
+Note 5: Traditional \TFM\ fonts set \type {\Umathconnectoroverlapmin} to zero
+because \TEX82\ always stacks extensibles without any overlap.
+
+Note 6: The \type {\Umathoperatorsize} is only used in \type {\displaystyle}, and
+is only set in \OPENTYPE\ fonts. In \TFM\ font mode, it is artificially set to
+one scaled point more than the initial attempt's size, so that always the \quote
+{first next} will be tried, just like in \TEX82.
+
+Note 7: The \type {\Umathradicaldegreeraise} is a special case because it is the
+only parameter that is expressed in a percentage instead of as a number of scaled
+points.
+
+Note 8: \type {SubscriptShiftDownWithSuperscript} does not actually exist in the
+\quote {standard} \OPENTYPE\ math font Cambria, but it is useful enough to be
+added.
+
+Note 9: \type {FractionDelimiterDisplayStyleSize} and \type
+{FractionDelimiterSize} do not actually exist in the \quote {standard} \OPENTYPE\
+math font Cambria, but were useful enough to be added.
+
+\section{Math spacing setting}
+
+Besides the parameters mentioned in the previous sections, there are also 64 new
+primitives to control the math spacing table (as explained in Chapter~18 of the
+\TEX book). The primitive names are a simple matter of combining two math atom
+types, but for completeness' sake, here is the whole list:
+
+\starttwocolumns
+\starttyping
+\Umathordordspacing
+\Umathordopspacing
+\Umathordbinspacing
+\Umathordrelspacing
+\Umathordopenspacing
+\Umathordclosespacing
+\Umathordpunctspacing
+\Umathordinnerspacing
+\Umathopordspacing
+\Umathopopspacing
+\Umathopbinspacing
+\Umathoprelspacing
+\Umathopopenspacing
+\Umathopclosespacing
+\Umathoppunctspacing
+\Umathopinnerspacing
+\Umathbinordspacing
+\Umathbinopspacing
+\Umathbinbinspacing
+\Umathbinrelspacing
+\Umathbinopenspacing
+\Umathbinclosespacing
+\Umathbinpunctspacing
+\Umathbininnerspacing
+\Umathrelordspacing
+\Umathrelopspacing
+\Umathrelbinspacing
+\Umathrelrelspacing
+\Umathrelopenspacing
+\Umathrelclosespacing
+\Umathrelpunctspacing
+\Umathrelinnerspacing
+\Umathopenordspacing
+\Umathopenopspacing
+\Umathopenbinspacing
+\Umathopenrelspacing
+\Umathopenopenspacing
+\Umathopenclosespacing
+\Umathopenpunctspacing
+\Umathopeninnerspacing
+\Umathcloseordspacing
+\Umathcloseopspacing
+\Umathclosebinspacing
+\Umathcloserelspacing
+\Umathcloseopenspacing
+\Umathcloseclosespacing
+\Umathclosepunctspacing
+\Umathcloseinnerspacing
+\Umathpunctordspacing
+\Umathpunctopspacing
+\Umathpunctbinspacing
+\Umathpunctrelspacing
+\Umathpunctopenspacing
+\Umathpunctclosespacing
+\Umathpunctpunctspacing
+\Umathpunctinnerspacing
+\Umathinnerordspacing
+\Umathinneropspacing
+\Umathinnerbinspacing
+\Umathinnerrelspacing
+\Umathinneropenspacing
+\Umathinnerclosespacing
+\Umathinnerpunctspacing
+\Umathinnerinnerspacing
+\stoptyping
+\stoptwocolumns
+
+These parameters are of type \type {\muskip}, so setting a parameter can be done
+like this:
+
+\starttyping
+\Umathopordspacing\displaystyle=4mu plus 2mu
+\stoptyping
+
+They are all initialized by \type {initex} to the values mentioned in the table
+in Chapter~18 of the \TEX book.
+
+Note 1: for ease of use as well as for backward compatibility, \type
+{\thinmuskip}, \type {\medmuskip} and \type {\thickmuskip} are treated
+especially. In their case a pointer to the corresponding internal parameter is
+saved, not the actual \type {\muskip} value. This means that any later changes to
+one of these three parameters will be taken into account.
+
+Note 2: Careful readers will realise that there are also primitives for the items
+marked \type {*} in the \TEX book. These will not actually be used as those
+combinations of atoms cannot actually happen, but it seemed better not to break
+orthogonality. They are initialized to zero.
+
+\section[mathacc]{Math accent handling}
+
+\LUATEX\ supports both top accents and bottom accents in math mode, and math
+accents stretch automatically (if this is supported by the font the accent comes
+from, of course). Bottom and combined accents as well as fixed-width math accents
+are controlled by optional keywords following \type {\Umathaccent}.
+
+The keyword \type {bottom} after \type {\Umathaccent} signals that a bottom accent
+is needed, and the keyword \type {both} signals that both a top and a bottom
+accent are needed (in this case two accents need to be specified, of course).
+
+Then the set of three integers defining the accent is read. This set of integers
+can be prefixed by the \type {fixed} keyword to indicate that a non-stretching
+variant is requested (in case of both accents, this step is repeated).
+
+A simple example:
+
+\starttyping
+\Umathaccent both fixed 0 0 "20D7 fixed 0 0 "20D7 {example}
+\stoptyping
+
+If a math top accent has to be placed and the accentee is a character and has a
+non-zero \type {top_accent} value, then this value will be used to place the
+accent instead of the \type {\skewchar} kern used by \TEX82.
+
+The \type {top_accent} value represents a vertical line somewhere in the
+accentee. The accent will be shifted horizontally such that its own \type
+{top_accent} line coincides with the one from the accentee. If the \type
+{top_accent} value of the accent is zero, then half the width of the accent
+followed by its italic correction is used instead.
+
+The vertical placement of a top accent depends on the \type {x_height} of the
+font of the accentee (as explained in the \TEX book), but if value that turns out
+to be zero and the font had a \type {MathConstants} table, then \type
+{AccentBaseHeight} is used instead.
+
+The vertical placement of a bottom accent is straight below the accentee, no
+correction takes place.
+
+Possible locations are \type {top}, \type {bottom}, \type {both} and \type
+{center}. When no location is given \type {top} is assumed. An additional
+parameter \type {fraction} can be specified followed by a number; a value of for
+instance 1200 means that the criterium is 1.2 times the width of the nuclues. The
+fraction only applies to the stepwise selected shapes and is mostly meant for the
+\type {overlay} location. It also works for the other locations but then it
+concerns the width.
+
+\section{Math root extension}
+
+The new primitive \type {\Uroot} allows the construction of a radical noad
+including a degree field. Its syntax is an extension of \type {\Uradical}:
+
+\starttyping
+\Uradical <fam integer> <char integer> <radicand>
+\Uroot    <fam integer> <char integer> <degree> <radicand>
+\stoptyping
+
+The placement of the degree is controlled by the math parameters \type
+{\Umathradicaldegreebefore}, \type {\Umathradicaldegreeafter}, and \type
+{\Umathradicaldegreeraise}. The degree will be typeset in \type
+{\scriptscriptstyle}.
+
+\section{Math kerning in super- and subscripts}
+
+The character fields in a \LUA|-|loaded \OPENTYPE\ math font can have a \quote
+{mathkern} table. The format of this table is the same as the \quote {mathkern}
+table that is returned by the \type {fontloader} library, except that all height
+and kern values have to be specified in actual scaled points.
+
+When a super- or subscript has to be placed next to a math item, \LUATEX\ checks
+whether the super- or subscript and the nucleus are both simple character items.
+If they are, and if the fonts of both character items are \OPENTYPE\ fonts (as
+opposed to legacy \TEX\ fonts), then \LUATEX\ will use the \OPENTYPE\ math
+algorithm for deciding on the horizontal placement of the super- or subscript.
+
+This works as follows:
+
+\startitemize
+    \startitem
+        The vertical position of the script is calculated.
+    \stopitem
+    \startitem
+        The default horizontal position is flat next to the base character.
+    \stopitem
+    \startitem
+        For superscripts, the italic correction of the base character is added.
+    \stopitem
+    \startitem
+        For a superscript, two vertical values are calculated: the bottom of the
+        script (after shifting up), and the top of the base. For a subscript, the two
+        values are the top of the (shifted down) script, and the bottom of the base.
+    \stopitem
+    \startitem
+        For each of these two locations:
+        \startitemize
+            \startitem
+                find the math kern value at this height for the base (for a subscript
+                placement, this is the bottom_right corner, for a superscript
+                placement the top_right corner)
+            \stopitem
+            \startitem
+                find the math kern value at this height for the script (for a
+                subscript placement, this is the top_left corner, for a superscript
+                placement the bottom_left corner)
+            \stopitem
+            \startitem
+                add the found values together to get a preliminary result.
+            \stopitem
+        \stopitemize
+    \stopitem
+    \startitem
+        The horizontal kern to be applied is the smallest of the two results from
+        previous step.
+    \stopitem
+\stopitemize
+
+The math kern value at a specific height is the kern value that is specified by the
+next higher height and kern pair, or the highest one in the character (if there is no
+value high enough in the character), or simply zero (if the character has no math kern
+pairs at all).
+
+\section{Scripts on horizontally extensible items like arrows}
+
+The primitives \type {\Uunderdelimiter} and \type {\Uoverdelimiter} allow the
+placement of a subscript or superscript on an automatically extensible item and
+\type {\Udelimiterunder} and \type {\Udelimiterover} allow the placement of an
+automatically extensible item as a subscript or superscript on a nucleus. The
+input:
+
+% these produce radical noads .. in fact the code base has the numbers wrong for
+% quite a while, so no one seems to use this
+
+\startbuffer
+$\Uoverdelimiter  0 "2194 {\hbox{\strut  overdelimiter}}$
+$\Uunderdelimiter 0 "2194 {\hbox{\strut underdelimiter}}$
+$\Udelimiterover  0 "2194 {\hbox{\strut  delimiterover}}$
+$\Udelimiterunder 0 "2194 {\hbox{\strut delimiterunder}}$
+\stopbuffer
+
+\typebuffer will render this:
+
+\blank \startnarrower \getbuffer \stopnarrower \blank
+
+The vertical placements are controlled by \type {\Umathunderdelimiterbgap}, \type
+{\Umathunderdelimitervgap}, \type {\Umathoverdelimiterbgap}, and \type
+{\Umathoverdelimitervgap} in a similar way as limit placements on large operators.
+The superscript in \type {\Uoverdelimiter} is typeset in a suitable scripted style,
+the subscript in \type {\Uunderdelimiter} is cramped as well.
+
+These primitives accepts an option \type {width} specification. When used the
+also optional keywords \type {left}, \type {middle} and \type {right} will
+determine what happens when a requested size can't be met (which can happen when
+we step to successive larger variants).
+
+An extra primitive \type {\Uhextensible} is available that can be used like this:
+
+\startbuffer
+$\Uhextensible width 10cm 0 "2194$
+\stopbuffer
+
+\typebuffer This will render this:
+
+\blank \startnarrower \getbuffer \stopnarrower \blank
+
+Here you can also pass options, like:
+
+\startbuffer
+$\Uhextensible width 1pt middle 0 "2194$
+\stopbuffer
+
+\typebuffer This gives:
+
+\blank \startnarrower \getbuffer \stopnarrower \blank
+
+\LUATEX\ internally uses a structure that supports \OPENTYPE\ \quote
+{MathVariants} as well as \TFM\ \quote {extensible recipes}. In most cases where
+font metrics are involved we have a different code path for traditional fonts end
+\OPENTYPE\ fonts.
+
+\section {Extracting values}
+
+You can extract the components of a math character. Say that we have defined:
+
+\starttyping
+\Umathcode 1 2 3 4
+\stoptyping
+
+then
+
+\starttyping
+[\Umathcharclass1] [\Umathcharfam1] [\Umathcharslot1]
+\stoptyping
+
+will return:
+
+\starttyping
+[2] [3] [4]
+\stoptyping
+
+These commands are provides as convenience. Before they came available you could
+do the following:
+
+\starttyping
+\def\Umathcharclass{\directlua{tex.print(tex.getmathcode(token.scan_int())[1])}}
+\def\Umathcharfam  {\directlua{tex.print(tex.getmathcode(token.scan_int())[2])}}
+\def\Umathcharslot {\directlua{tex.print(tex.getmathcode(token.scan_int())[3])}}
+\stoptyping
+
+\section{fractions}
+
+The \type {\abovewithdelims} command accepts a keyword \type {exact}. When issued
+the extra space relative to the rule thickness is not added. One can of course
+use the \type {\Umathfraction..gap} commands to influence the spacing. Also the
+rule is still positioned around the math axis.
+
+\starttyping
+$$ { {a} \abovewithdelims() exact 4pt {b} }$$
+\stoptyping
+
+The math parameter table contains some parameters that specify a horizontal and
+vertical gap for skewed fractions. Of course some guessing is needed in order to
+implement something that uses them. And so we now provide a primitive similar to the
+other fraction related ones but with a few options so that one can influence the
+rendering. Of course a user can also mess around a bit with the parameters
+\type {\Umathskewedfractionhgap} and \type {\Umathskewedfractionvgap}.
+
+The syntax used here is:
+
+\starttyping
+{ {1} \Uskewed / <options> {2} }
+{ {1} \Uskewedwithdelims / () <options> {2} }
+\stoptyping
+
+where the options can be \type {noaxis} and \type {exact}. By default we add half
+the axis to the shifts and by default we zero the width of the middle character.
+For Latin Modern The result looks as follows:
+
+\def\ShowA#1#2#3{$x + { {#1} \Uskewed           /    #3 {#2} } + x$}
+\def\ShowB#1#2#3{$x + { {#1} \Uskewedwithdelims / () #3 {#2} } + x$}
+
+\start
+    \switchtobodyfont[modern]
+    \starttabulate[||||||]
+        \NC \NC
+            \ShowA{a}{b}{} \NC
+            \ShowA{1}{2}{} \NC
+            \ShowB{a}{b}{} \NC
+            \ShowB{1}{2}{} \NC
+        \NR
+        \NC \type{exact} \NC
+            \ShowA{a}{b}{exact} \NC
+            \ShowA{1}{2}{exact} \NC
+            \ShowB{a}{b}{exact} \NC
+            \ShowB{1}{2}{exact} \NC
+        \NR
+        \NC \type{noaxis} \NC
+            \ShowA{a}{b}{noaxis} \NC
+            \ShowA{1}{2}{noaxis} \NC
+            \ShowB{a}{b}{noaxis} \NC
+            \ShowB{1}{2}{noaxis} \NC
+        \NR
+        \NC \type{exact noaxis} \NC
+            \ShowA{a}{b}{exact noaxis} \NC
+            \ShowA{1}{2}{exact noaxis} \NC
+            \ShowB{a}{b}{exact noaxis} \NC
+            \ShowB{1}{2}{exact noaxis} \NC
+        \NR
+    \stoptabulate
+\stop
+
+\section {Other Math changes}
+
+\subsection {Verbose versions of single-character math commands}
+
+\LUATEX\ defines six new primitives that have the same function as
+\type {^}, \type {_}, \type {$}, and \type {$$}: %$
+
+\starttabulate[|l|l|l|l|]
+\NC \bf primitive           \NC \bf explanation \NC \NR
+\NC \type {\Usuperscript}      \NC Duplicates the functionality of \type {^} \NC \NR
+\NC \type {\Usubscript}        \NC Duplicates the functionality of \type {_} \NC \NR
+\NC \type {\Ustartmath}        \NC Duplicates the functionality of \type {$}, % $
+                                   when used in non-math mode. \NC \NR
+\NC \type {\Ustopmath}         \NC Duplicates the functionality of \type {$}, % $
+                                   when used in inline math mode. \NC \NR
+\NC \type {\Ustartdisplaymath} \NC Duplicates the functionality of \type {$$}, % $$
+                                   when used in non-math mode. \NC \NR
+\NC \type {\Ustopdisplaymath}  \NC Duplicates the functionality of \type {$$}, % $$
+                                   when used in display math mode. \NC \NR
+\stoptabulate
+
+The \type {\Ustopmath} and \type {\Ustopdisplaymath} primitives check if the current
+math mode is the correct one (inline vs.\ displayed), but you can freely intermix
+the four mathon|/|mathoff commands with explicit dollar sign(s).
+
+\subsection{Allowed math commands in non-math modes}
+
+The commands \type {\mathchar}, and \type {\Umathchar} and control sequences that
+are the result of \type {\mathchardef} or \type {\Umathchardef} are also
+acceptable in the horizontal and vertical modes. In those cases, the \type
+{\textfont} from the requested math family is used.
+
+\section{Math surrounding skips}
+
+Inline math is surrounded by (optional) \type {\mathsurround} spacing but that is fixed
+dimension. There is now an additional parameter \type {\mathsurroundskip}. When set to a
+non|-|zero value (or zero with some stretch or shrink) this parameter will replace
+\type {\mathsurround}. By using an additional parameter instead of changing the nature
+of \type {\mathsurround}, we can remain compatible.
+
+% \section{Math todo}
+%
+% The following items are still todo.
+%
+% \startitemize
+% \startitem
+%     Pre-scripts.
+% \stopitem
+% \startitem
+%     Multi-story stacks.
+% \stopitem
+% \startitem
+%     Flattened accents for high characters (maybe).
+% \stopitem
+% \startitem
+%     Better control over the spacing around displays and handling of equation numbers.
+% \stopitem
+% \startitem
+%     Support for multi|-|line displays using \MATHML\ style alignment points.
+% \stopitem
+% \stopitemize
+
+\subsection {Delimiters: \type{\Uleft}, \type {\Umiddle} and \type {\Uright}}
+
+Normally you will force delimiters to certain sizes by putting an empty box or
+rule next to it. The resulting delimiter will either be a character from the
+stepwise size range or an extensible. The latter can be quite differently
+positioned that the characters as it depends on the fit as well as the fact if
+the used characters in the font have depth or height. Commands like (plain \TEX
+s) \type {\big} need use this feature. In \LUATEX\ we provide a bit more control
+by three variants that supporting optional parameters \type {height}, \type
+{depth} and \type {axis}. The following example uses this:
+
+\startbuffer
+\Uleft   height 30pt depth 10pt      \Udelimiter "0 "0 "000028
+\quad x\quad
+\Umiddle height 40pt depth 15pt      \Udelimiter "0 "0 "002016
+\quad x\quad
+\Uright  height 30pt depth 10pt      \Udelimiter "0 "0 "000029
+\quad \quad \quad
+\Uleft   height 30pt depth 10pt axis \Udelimiter "0 "0 "000028
+\quad x\quad
+\Umiddle height 40pt depth 15pt axis \Udelimiter "0 "0 "002016
+\quad x\quad
+\Uright  height 30pt depth 10pt axis \Udelimiter "0 "0 "000029
+\stopbuffer
+
+\typebuffer
+
+\startlinecorrection
+\ruledhbox{\mathematics{\getbuffer}}
+\stoplinecorrection
+
+The keyword \type {exact} can be used as directive that the real dimensions
+should be applied when the criteria can't be met which can happen when we're
+still stepping through the successively larger variants. When no dimensions are
+given the \type {noaxis} command can be used to prevent shifting over the axis.
+
+You can influence the final class with the keyword \type {class} which will
+influence the spacing.
+
+\subsection{Fixed scripts}
+
+We have three parameters that are used for this fixed anchoring:
+
+\starttabulate[|l|l|]
+\NC $d$ \NC \type {\Umathsubshiftdown}    \NC \NR
+\NC $u$ \NC \type {\Umathsupshiftup}      \NC \NR
+\NC $s$ \NC \type {\Umathsubsupshiftdown} \NC \NR
+\stoptabulate
+
+When we set \type {\mathscriptsmode} to a value other than zero these are used
+for calculating fixed positions. This is something that is needed for instance
+for chemistry. You can manipulate the mentioned variables to achive different
+effects.
+
+\def\SampleMath#1%
+  {$\mathscriptsmode#1\mathupright CH_2 + CH^+_2 + CH^2_2$}
+
+\starttabulate[|c|c|c|l|]
+\NC \bf mode \NC \bf down      \NC \bf up        \NC                \NC \NR
+\NC 0        \NC dynamic       \NC dynamic       \NC \SampleMath{0} \NC \NR
+\NC 1        \NC $d$           \NC $u$           \NC \SampleMath{1} \NC \NR
+\NC 2        \NC $s$           \NC $u$           \NC \SampleMath{2} \NC \NR
+\NC 3        \NC $s$           \NC $u + s - d$   \NC \SampleMath{3} \NC \NR
+\NC 4        \NC $d + (s-d)/2$ \NC $u + (s-d)/2$ \NC \SampleMath{4} \NC \NR
+\NC 5        \NC $d$           \NC $u + s - d$   \NC \SampleMath{5} \NC \NR
+\stoptabulate
+
+The value of this parameter obeys grouping but applies to the whole current
+formula.
+
+% if needed we can put the value in stylenodes but maybe more should go there
+
+\subsection {Tracing}
+
+Because there are quite some math related parameters and values, it is possible
+to limit tracing. Only when \type {tracingassigns} and|/|or \type
+{tracingrestores} are set to~2 or more they will be traced.
+
+\subsection {Math options}
+
+The logic in the math engine is rather complex and there are often no universal
+solutions (read: what works out well for one font, fails for another). Therefore
+some variations in the implementation will be driven by options for which a new
+primitive \type {\mathoption} has been introduced (so that we don't end up with
+many new commands). The approach of options also permits us to see what effect a
+specific solution has.
+
+\subsubsection {\type {\mathoption noitaliccompensation}}
+
+This option compensates placement for characters with a built|-|in italic
+correction.
+
+\startbuffer
+{\showboxes\int}\quad
+{\showboxes\int_{|}^{|}}\quad
+{\showboxes\int\limits_{|}^{|}}
+\stopbuffer
+
+\typebuffer
+
+Gives (with computer modern that has such italics):
+
+\startlinecorrection[blank]
+    \switchtobodyfont[modern]
+    \startcombination[nx=2,ny=2,distance=5em]
+        {\mathoption noitaliccompensation 0\relax \mathematics{\getbuffer}}
+            {\nohyphens\type{0:inline}}
+        {\mathoption noitaliccompensation 0\relax \mathematics{\displaymath\getbuffer}}
+            {\nohyphens\type{0:display}}
+        {\mathoption noitaliccompensation 1\relax \mathematics{\getbuffer}}
+            {\nohyphens\type{1:inline}}
+        {\mathoption noitaliccompensation 1\relax \mathematics{\displaymath\getbuffer}}
+            {\nohyphens\type{1:display}}
+    \stopcombination
+\stoplinecorrection
+
+\subsubsection {\type {\mathoption nocharitalic}}
+
+When two characters follow each other italic correction can interfere. The
+following example shows what this option does:
+
+\startbuffer
+\catcode"1D443=11
+\catcode"1D444=11
+\catcode"1D445=11
+P( PP PQR
+\stopbuffer
+
+\typebuffer
+
+Gives (with computer modern that has such italics):
+
+\startlinecorrection[blank]
+    \switchtobodyfont[modern]
+    \startcombination[nx=2,ny=2,distance=5em]
+        {\mathoption nocharitalic 0\relax \mathematics{\getbuffer}}
+            {\nohyphens\type{0:inline}}
+        {\mathoption nocharitalic 0\relax \mathematics{\displaymath\getbuffer}}
+            {\nohyphens\type{0:display}}
+        {\mathoption nocharitalic 1\relax \mathematics{\getbuffer}}
+            {\nohyphens\type{1:inline}}
+        {\mathoption nocharitalic 1\relax \mathematics{\displaymath\getbuffer}}
+            {\nohyphens\type{1:display}}
+    \stopcombination
+\stoplinecorrection
+
+\subsubsection {\type {\mathoption useoldfractionscaling}}
+
+This option has been introduced as solution for tracker item 604 for fuzzy cases
+around either or not present fraction related settings for new fonts.
+
+\stopchapter
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/luatex/luatex-modifications.tex b/Master/texmf-dist/doc/context/sources/general/manuals/luatex/luatex-modifications.tex
new file mode 100644
index 00000000000..0507a56e0fa
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/luatex/luatex-modifications.tex
@@ -0,0 +1,867 @@
+% language=uk
+
+\environment luatex-style
+\environment luatex-logos
+
+\startcomponent luatex-modifications
+
+\startchapter[reference=modifications,title={Modifications}]
+
+\startsection[title=The merged engines]
+
+\startsubsection[title=The need for change]
+
+The first version of \LUATEX\ only had a few extra primitives and it was largely
+the same as \PDFTEX. Then we merged substantial parts of \ALEPH\ into the code
+and got more primitives. When we got more stable the decision was made to clean
+up the rather hybrid nature of the program. This means that some primitives have
+been promoted to core primitives, often with a different name, and that others
+were removed. This made it possible to start cleaning up the code base. In \in
+{chapter} [enhancements] we discussed some new primitives, here we will cover
+most of the adapted ones.
+
+Besides the expected changes caused by new functionality, there are a number of
+not|-|so|-|expected changes. These are sometimes a side|-|effect of a new
+(conflicting) feature, or, more often than not, a change neccessary to clean up
+the internal interfaces. These will also be mentioned.
+
+\stopsubsection
+
+\startsubsection[title=Changes from \TEX\ 3.1415926]
+
+Of course it all starts with traditional \TEX. Even if we started with \PDFTEX,
+most still comes from the original. But we divert a bit.
+
+\startitemize
+
+\startitem
+    The current code base is written in \CCODE, not \PASCAL. We use \CWEB\ when
+    possible. As a consequence instead of one large file plus change files, we
+    now have multiple files organized in categories like \type {tex}, \type
+    {pdf}, \type {lang}, \type {font}, \type {lua}, etc. There are some artefacts
+    of the conversion to \CCODE, but in due time we will clean up the source code
+    and make sure that the documentation is done right. Many files are in the
+    \CWEB\ format, but others, like those interfacing to \LUA, are \CCODE\ files.
+    Of course we want to stay as close as possible to the original so that the
+    documentation of the fundamentals behind \TEX\ by Don Knuth still applies.
+\stopitem
+
+\startitem
+    See \in {chapter} [languages] for many small changes related to paragraph
+    building, language handling and hyphenation. The most important change is
+    that adding a brace group in the middle of a word (like in \type {of{}fice})
+    does not prevent ligature creation.
+\stopitem
+
+\startitem
+    There is no pool file, all strings are embedded during compilation.
+\stopitem
+
+\startitem
+    The specifier \type {plus 1 fillll} does not generate an error. The extra
+    \quote{l} is simply typeset.
+\stopitem
+
+\startitem
+    The upper limit to \type {\endlinechar} and \type {\newlinechar} is 127.
+\stopitem
+
+\startitem
+    Magnification (\type {\mag}) is only supported in \DVI\ output mode.
+\stopitemize
+
+\stopsubsection
+
+\startsubsection[title=Changes from \ETEX\ 2.2]
+
+Being the de factor standard extension of course we provide the \ETEX\
+functionality, but with a few small adaptations.
+
+\startitemize
+
+\startitem
+    The \ETEX\ functionality is always present and enabled so the prepended
+    asterisk or \type {-etex} switch for \INITEX\ is not needed.
+\stopitem
+
+\startitem
+    The \TEXXET\ extension is not present, so the primitives \type
+    {\TeXXeTstate}, \type {\beginR}, \type {\beginL}, \type {\endR} and \type
+    {\endL} are missing. Instead we use the \OMEGA\ approach to directionality.
+\stopitem
+
+\startitem
+    Some of the tracing information that is output by \ETEX's \type
+    {\tracingassigns} and \type {\tracingrestores} is not there.
+\stopitem
+
+\startitem
+    Register management in \LUATEX\ uses the \ALEPH\ model, so the maximum value
+    is 65535 and the implementation uses a flat array instead of the mixed
+    flat|\&|sparse model from \ETEX.
+\stopitem
+
+\startitem
+    When kpathsea is used to find files, \LUATEX\ uses the \type {ofm} file
+    format to search for font metrics. In turn, this means that \LUATEX\ looks at
+    the \type {OFMFONTS} configuration variable (like \OMEGA\ and \ALEPH) instead
+    of \type {TFMFONTS} (like \TEX\ and \PDFTEX). Likewise for virtual fonts
+    (\LUATEX\ uses the variable \type {OVFFONTS} instead of \type {VFFONTS}).
+\stopitem
+
+\stopitemize
+
+\stopsubsection
+
+\startsubsection[title=Changes from \PDFTEX\ 1.40]
+
+Because we want to produce \PDF\ the most natural starting point was the popular
+\PDFTEX\ program. We inherit the stable features, dropped most of the
+experimental code and promoted some functionality to core \LUATEX\ functionality
+which in turn triggered renaming primitives.
+
+For compatibility reasons we still refer to \type {\pdf...} commands but \LUATEX\
+has a different backend interface. Instead of these primitives there are three
+interfacing primitives: \type {\pdfextension}, \type {\pdfvariable} and
+\type {\pdffeedback} that take keywords and optional further arguments. This way
+we can extend the features when needed but don't need to adapt the core engine.
+The front- and backend are decoupled as much as possible.
+
+\startitemize
+
+\startitem
+    The (experimental) support for snap nodes has been removed, because it is
+    much more natural to build this functionality on top of node processing and
+    attributes. The associated primitives that are now gone are: \type
+    {\pdfsnaprefpoint}, \type {\pdfsnapy}, and \type {\pdfsnapycomp}.
+\stopitem
+
+\startitem
+    The (experimental) support for specialized spacing around nodes has also been
+    removed. The associated primitives that are now gone are: \type
+    {\pdfadjustinterwordglue}, \type {\pdfprependkern}, and \type
+    {\pdfappendkern}, as well as the five supporting primitives \type
+    {\knbscode}, \type {\stbscode}, \type {\shbscode}, \type {\knbccode}, and
+    \type {\knaccode}.
+\stopitem
+
+\startitem
+    A number of \quote {\PDFTEX\ primitives} have been removed as they can be
+    implemented using \LUA:
+
+    \start \raggedright
+    \type {\pdfelapsedtime}, \type {\pdfescapehex}, \type {\pdfescapename}, \type
+    {\pdfescapestring}, \type {\pdffiledump}, \type {\pdffilemoddate}, \type
+    {\pdffilesize}, \type {\pdfforcepagebox}, \type {\pdflastmatch}, \type
+    {\pdfmatch}, \type {\pdfmdfivesum}, \type {\pdfmovechars}, \type
+    {\pdfoptionalwaysusepdfpagebox}, \type {\pdfoptionpdfinclusionerrorlevel},
+    \type {\pdfresettimer}, \type {\pdfshellescape}, \type {\pdfstrcmp} and \type
+    {\pdfunescapehex}
+    \par \stop
+\stopitem
+
+\startitem
+    The version related primitives \type {\pdftexbanner}, \type {\pdftexversion}
+    and \type {\pdftexrevision} are no longer present as there is no longer a
+    relationship with \PDFTEX\ development.
+\stopitem
+
+\startitem
+    The experimental snapper mechanism has been removed and therefore also the
+    primitives:
+
+    \start \raggedright
+    \type {\pdfignoreddimen}, \type {\pdffirstlineheight}, \type
+    {\pdfeachlineheight}, \type {\pdfeachlinedepth} and \type
+    {\pdflastlinedepth}
+    \par \stop
+\stopitem
+
+\startitem
+    The experimental primitives \type {\primitive}, \type {\ifprimitive}, \type
+    {\ifabsnum} and \type {\ifabsdim} are promoted to core primitives. The \type
+    {\pdf*} prefixed originals are not available.
+\stopitem
+
+\startitem
+    The \PNG\ transparency fix from 1.40.6 is not applied as high|-|level support
+    is pending. Because \LUATEX\ has a different subsystem for managing images,
+    more diversion from its ancestor happened in the meantime.
+\stopitem
+
+\startitem
+    Two extra token lists are provides, \type {\pdfxformresources} and \type
+    {\pdfxformattr}, as an alternative to \type {\pdfxform} keywords.
+\stopitem
+
+\startitem
+    The current version of \LUATEX\ no longer replaces and|/|or merges fonts in
+    embedded \PDF\ files with fonts of the enveloping \PDF\ document. This
+    regression may be temporary, depending on how the rewritten font backend will
+    look like.
+\stopitem
+
+\startitem
+    The primitives \type {\pdfpagewidth} and \type {\pdfpageheight} have been removed
+    because \type {\pagewidth} and \type {\pageheight} have that purpose.
+\stopitem
+
+\startitem
+    The primitives \type {\pdfnormaldeviate}, \type {\pdfuniformdeviate}, \type
+    {\pdfsetrandomseed} and \type {\pdfrandomseed} have been promoted to core
+    primitives without \type {pdf} prefix so the original commands are no longer
+    recognized.
+\stopitem
+
+\startitem
+    The primitives \type {\ifincsname}, \type {\expanded} and \type {\quitvmode}
+    are now core primitives.
+\stopitem
+
+\startitem
+    As the hz and protrusion mechanism are part of the core the related
+    primitives \type {\lpcode}, \type {\rpcode}, \type {\efcode}, \type
+    {\leftmarginkern}, \type {\rightmarginkern} are promoted to core primitives. The
+    two commands \type {\protrudechars} and \type {\adjustspacing} replace their
+    prefixed with \type {\pdf} originals.
+\stopitem
+
+\startitem
+    The hz optimization code has been partially redone so that we no longer need
+    to create extra font instances. The front- and backend have been decoupled
+    and more efficient (\PDF) code is generated.
+\stopitem
+
+\startitem
+    When \type {\adjustspacing} has value~2, hz optimization will be applied to
+    glyphs and kerns. When the value is~3, only glyphs will be treated. A value
+    smaller than~2 disables this feature.
+\stopitem
+
+\startitem
+    The \type {\tagcode} primitive is promoted to core primitive.
+\stopitem
+
+\startitem
+    The \type {\letterspacefont} feature is now part of the core but will not be
+    changed (improved). We just provide it for legacy use.
+\stopitem
+
+\startitem
+    The \type {\pdfnoligatures} primitive is now \type {\ignoreligaturesinfont}.
+\stopitem
+
+\startitem
+    The \type {\pdfcopyfont} primitive is now \type {\copyfont}.
+\stopitem
+
+\startitem
+    The \type {\pdffontexpand} primitive is now \type {\expandglyphsinfont}.
+\stopitem
+
+\startitem
+    Because position tracking is also available in \DVI\ mode the \type
+    {\savepos}, \type {\lastxpos} and \type {\lastypos} commands now replace
+    their \type {pdf} prefixed originals.
+\stopitem
+
+\startitem
+    The introspective primitives \type {\pdflastximagecolordepth} and \type
+    {\pdfximagebbox} have been removed. One can use external applications to
+    determine these properties or use the built|-|in \type {img} library.
+\stopitem
+
+\startitem
+    The initializers \type {\pdfoutput} has been replaced by \type {\outputmode} and
+    \type {\pdfdraftmode} is now \type {\draftmode}.
+\stopitem
+
+\startitem
+    The pixel multiplier dimension \type {\pdfpxdimen} lots its prefix and is now calles
+    \type {\pxdimen}.
+\stopitem
+
+\startitem
+    An extra \type {\pdfimageaddfilename} option has been added that can be used to block
+    writing the filename to the \PDF\ file.
+\stopitem
+
+\startitem
+    The primitive \type {\pdftracingfonts} is now \type {\tracingfonts} as it
+    doesn't relate to the backend.
+\stopitem
+
+\startitem
+    The experimental primitive \type {\pdfinsertht} is kept as \type {\insertht}.
+\stopitem
+
+\startitem
+    The promotion of primitives to core primitives as well as the separation of
+    font- and backend means that the initialization namespace \type {pdftex} is
+    gone.
+\stopitem
+
+\stopitemize
+
+One change involves the so called xforms and ximages. In \PDFTEX\ these are
+implemented as so called whatsits. But contrary to other whatsits they have
+dimensions that need to be taken into account when for instance calculating
+optimal line breaks. In \LUATEX\ these are now promoted to normal nodes, which
+simplifies code that needs those dimensions.
+
+Another reason for promotion is that these are useful concepts. Backends can
+provide the ability to use content that has been rendered in several places,
+and images are also common. For that reason we also changed the names:
+
+\starttabulate[|l|l|]
+\NC \bf new name                         \NC \bf old name \NC \NR
+\NC \type {\saveboxresource}             \NC \type {\pdfxform}           \NC \NR
+\NC \type {\saveimageresource}           \NC \type {\pdfximage}          \NC \NR
+\NC \type {\useboxresource}              \NC \type {\pdfrefxform}        \NC \NR
+\NC \type {\useimageresource}            \NC \type {\pdfrefximage}       \NC \NR
+\NC \type {\lastsavedboxresourceindex}   \NC \type {\pdflastxform}       \NC \NR
+\NC \type {\lastsavedimageresourceindex} \NC \type {\pdflastximage}      \NC \NR
+\NC \type {\lastsavedimageresourcepages} \NC \type {\pdflastximagepages} \NC \NR
+\stoptabulate
+
+There are a few \type {\pdffeedback} features that relate to this but these are
+typical backend specific ones. The index that gets returned is to be considered
+as \quote {just a number} and although it still has the same meaning (object
+related) as before, you should not depend on that.
+
+The protrusion detection mechanism is enhanced a bit to enable a bit more complex
+situations. When protrusion characters are identified some nodes are skipped:
+
+\startitemize[packed]
+\startitem zero glue \stopitem
+\startitem penalties \stopitem
+\startitem empty discretionaries \stopitem
+\startitem normal zero kerns \stopitem
+\startitem rules with zero dimensions \stopitem
+\startitem math nodes with a surround of zero \stopitem
+\startitem dir nodes \stopitem
+\startitem empty horizontal lists \stopitem
+\startitem local par nodes \stopitem
+\startitem inserts, marks and adjusts \stopitem
+\startitem boundaries \stopitem
+\startitem whatsits \stopitem
+\stopitemize
+
+Because this can not be enough, you can also use a protrusion boundary node to
+make the next node being ignored. When the value is~1 or~3, the next node will be
+ignored in the test when locating a left boundary condition. When the value is~2
+or~3, the previous node will be ignored when locating a right boundary condition
+(the search goes from right to left). This permits protrusion combined with for
+instance content moved into the margin:
+
+\starttyping
+\protrusionboundary1\llap{!\quad}«Who needs protrusion?»
+\stoptyping
+
+\stopsubsection
+
+\startsubsection[title=Changes from \ALEPH\ RC4]
+
+Because we wanted proper directional typesetting the \ALEPH\ mechanisms looked
+most attractive. These are rather close to the ones provided by \OMEGA, so what
+we say next applies to both these programs.
+
+\startitemize
+
+\startitem
+    The extended 16-bit math primitives (\type {\omathcode} etc.) have been
+    removed.
+\stopitem
+
+\startitem
+    The \OCP\ processing has been removed completely and as a consequence, the
+    following primitives have been removed:
+
+    \start \raggedright
+    \type {\ocp}, \type {\externalocp}, \type {\ocplist}, \type {\pushocplist},
+    \type {\popocplist}, \type {\clearocplists}, \type {\addbeforeocplist}, \type
+    {\addafterocplist}, \type {\removebeforeocplist}, \type {\removeafterocplist}
+    and \type {\ocptracelevel}
+    \par \stop
+\stopitem
+
+\startitem
+    \LUATEX\ only understands 4~of the 16~direction specifiers of \ALEPH: \type
+    {TLT} (latin), \type {TRT} (arabic), \type {RTT} (cjk), \type {LTL}
+    (mongolian). All other direction specifiers generate an error.
+\stopitem
+
+\startitem
+    The input translations from \ALEPH\ are not implemented, the related
+    primitives are not available:
+
+    \start \raggedright
+    \type {\DefaultInputMode}, \type {\noDefaultInputMode}, \type {\noInputMode},
+    \type {\InputMode}, \type {\DefaultOutputMode}, \type {\noDefaultOutputMode},
+    \type {\noOutputMode}, \type {\OutputMode}, \type {\DefaultInputTranslation},
+    \type {\noDefaultInputTranslation}, \type {\noInputTranslation}, \type
+    {\InputTranslation}, \type {\DefaultOutputTranslation}, \type
+    {\noDefaultOutputTranslation}, \type {\noOutputTranslation} and \type
+    {\OutputTranslation}
+    \par \stop
+\stopitem
+
+\startitem
+    Several bugs have been fixed an confusing implementation details have been sorted
+    out.
+\stopitem
+
+\startitem
+    The scanner for direction specifications now allows an optional space after
+    the direction is completely parsed.
+\stopitem
+
+\startitem
+    The \type {^^} notation has been extended: after \type {^^^^} four hexadecimal
+    characters are expected and after \type {^^^^^^} six hexadecimal characters
+    have to be given. The original \TEX\ interpretation is still valid for the
+    \type {^^} case but the four and six variants do no backtracking, i.e.\ when
+    they are not followed by the right number of hexadecimal digits they issue an
+    error message. Because \type{^^^} is a normal \TEX\ case, we don't support the
+    odd number of \type {^^^^^} either.
+\stopitem
+
+\startitem
+    Glues {\it immediately after} direction change commands are not legal
+    breakpoints.
+\stopitem
+
+\startitem
+    Several mechanisms that need to be right|-|to|-|left aware have been
+    improved. For instance placement of formula numbers.
+\stopitem
+
+\startitem
+    The page dimension related primitives \type {\pagewidth} and \type
+    {\pageheight} have been promoted to core primitives. The \type {\hoffset} and
+    \type {\voffset} primitives have been fixed.
+\stopitem
+
+\startitem
+    The primitives \type {\charwd}, \type {\charht}, \type {\chardp} and \type
+    {\charit} have been removed as we have the \ETEX\ variants \type
+    {\fontchar*}.
+\stopitem
+
+\startitem
+    The two dimension registers \type {\pagerightoffset} and \type
+    {\pagebottomoffset} are now core primitives.
+\stopitem
+
+\startitem
+    The direction related primitives \type {\pagedir}, \type {\bodydir}, \type
+    {\pardir}, \type {\textdir}, \type {\mathdir} and \type {\boxdir} are now
+    core primitives.
+\stopitem
+
+\startitem
+    The promotion of primitives to core primitives as well as the removed of all
+    others means that the initialization namespace \type {aleph} is gone.
+\stopitem
+
+\stopitemize
+
+The above let's itself summarize as: we took the 32 bit aspects and much of the
+directional mechanisms.
+
+\stopsubsection
+
+\startsubsection[title=Changes from standard \WEBC]
+
+The compilation framework is \WEBC\ and we keep using that but without the
+\PASCAL\ to \CCODE\ step. This framework also provides some common features that
+deal with reading bytes from files and locating files in \TDS. This is what we do
+different:
+
+\startitemize
+
+\startitem
+    There is no mltex support.
+\stopitem
+
+\startitem
+    There is no enctex support.
+\stopitem
+
+\startitem
+    The following encoding related command line switches are silently ignored,
+    even in non|-|\LUA\ mode: \type {-8bit}, \type {-translate-file}, \type
+    {-mltex}, \type {-enc} and \type {-etex}.
+\stopitem
+
+\startitem
+    The \type {\openout} whatsits are not written to the log file.
+\stopitem
+
+\startitem
+    Some of the so|-|called \WEBC\ extensions are hard to set up in non|-|\KPSE\
+    mode because \type {texmf.cnf} is not read: \type {shell-escape} is off (but
+    that is not a problem because of \LUA's \type {os.execute}), and the paranoia
+    checks on \type {openin} and \type {openout} do not happen. However, it is
+    easy for a \LUA\ script to do this itself by overloading \type {io.open}.
+\stopitem
+
+\startitem
+    The \quote{E} option does not do anything useful.
+\stopitem
+
+\stopitemize
+
+\stopsubsection
+
+\startsubsection[reference=backendprimitives,title=The backend primitives \type {\pdf*}]
+
+In a previous section we mentioned that some \PDFTEX\ primitives were removed and
+others promoted to core \LUATEX\ primitives. That is only part of the story. In
+order to separate the backend specific primitives in de code these commands are
+now replaced by only a few. In traditional \TEX\ we only had the \DVI\ backend
+but now we have two: \DVI\ and \PDF. Additional functionality is implemented as
+\quote {extensions} in \TEX speak. By separating more strickly we are able to
+keep the core (fontend) clean and stable. If for some reason an extra backend
+option is needed, it can be implemented without touching the core. The three
+\PDF\ backend related primitives are
+
+\starttyping
+\pdfextension command [specification]
+\pdfvariable  name
+\pdffeedback  name
+\stoptyping
+
+An extension triggers further parsing, depending on the command given. A variable is
+a (kind of) register and can be read and written, while a feedback is reporting
+something (as it comes from the backend it's normally a sequence of tokens).
+
+In order for \LUATEX\ to be more than just \TEX\ you need to enable primitives. That
+has already be the case right from the start. If you want the traditional \PDFTEX\
+primitives (for as far their functionality is still around) you now can do this:
+
+\starttyping
+\protected\def\pdfliteral             {\pdfextension literal}
+\protected\def\pdfcolorstack          {\pdfextension colorstack}
+\protected\def\pdfsetmatrix           {\pdfextension setmatrix}
+\protected\def\pdfsave                {\pdfextension save\relax}
+\protected\def\pdfrestore             {\pdfextension restore\relax}
+\protected\def\pdfobj                 {\pdfextension obj }
+\protected\def\pdfrefobj              {\pdfextension refobj }
+\protected\def\pdfannot               {\pdfextension annot }
+\protected\def\pdfstartlink           {\pdfextension startlink }
+\protected\def\pdfendlink             {\pdfextension endlink\relax}
+\protected\def\pdfoutline             {\pdfextension outline }
+\protected\def\pdfdest                {\pdfextension dest }
+\protected\def\pdfthread              {\pdfextension thread }
+\protected\def\pdfstartthread         {\pdfextension startthread }
+\protected\def\pdfendthread           {\pdfextension endthread\relax}
+\protected\def\pdfinfo                {\pdfextension info }
+\protected\def\pdfcatalog             {\pdfextension catalog }
+\protected\def\pdfnames               {\pdfextension names }
+\protected\def\pdfincludechars        {\pdfextension includechars }
+\protected\def\pdffontattr            {\pdfextension fontattr }
+\protected\def\pdfmapfile             {\pdfextension mapfile }
+\protected\def\pdfmapline             {\pdfextension mapline }
+\protected\def\pdftrailer             {\pdfextension trailer }
+\protected\def\pdfglyphtounicode      {\pdfextension glyphtounicode }
+\stoptyping
+
+The introspective primitives can be defined as:
+
+\starttyping
+\def\pdftexversion    {\numexpr\pdffeedback version\relax}
+\def\pdftexrevision           {\pdffeedback revision}
+\def\pdflastlink      {\numexpr\pdffeedback lastlink\relax}
+\def\pdfretval        {\numexpr\pdffeedback retval\relax}
+\def\pdflastobj       {\numexpr\pdffeedback lastobj\relax}
+\def\pdflastannot     {\numexpr\pdffeedback lastannot\relax}
+\def\pdfxformname     {\numexpr\pdffeedback xformname\relax}
+\def\pdfcreationdate          {\pdffeedback creationdate}
+\def\pdffontname      {\numexpr\pdffeedback fontname\relax}
+\def\pdffontobjnum    {\numexpr\pdffeedback fontobjnum\relax}
+\def\pdffontsize      {\dimexpr\pdffeedback fontsize\relax}
+\def\pdfpageref       {\numexpr\pdffeedback pageref\relax}
+\def\pdfcolorstackinit        {\pdffeedback colorstackinit}
+\stoptyping
+
+The configuration related registers have become:
+
+\starttyping
+\edef\pdfcompresslevel            {\pdfvariable compresslevel}
+\edef\pdfobjcompresslevel         {\pdfvariable objcompresslevel}
+\edef\pdfdecimaldigits            {\pdfvariable decimaldigits}
+\edef\pdfgamma                    {\pdfvariable gamma}
+\edef\pdfimageresolution          {\pdfvariable imageresolution}
+\edef\pdfimageapplygamma          {\pdfvariable imageapplygamma}
+\edef\pdfimagegamma               {\pdfvariable imagegamma}
+\edef\pdfimagehicolor             {\pdfvariable imagehicolor}
+\edef\pdfimageaddfilename         {\pdfvariable imageaddfilename}
+\edef\pdfpkresolution             {\pdfvariable pkresolution}
+\edef\pdfpkfixeddpi               {\pdfvariable pkfixeddpi}
+\edef\pdfinclusioncopyfonts       {\pdfvariable inclusioncopyfonts}
+\edef\pdfinclusionerrorlevel      {\pdfvariable inclusionerrorlevel}
+\edef\pdfignoreunknownimages      {\pdfvariable ignoreunknownimages}
+\edef\pdfgentounicode             {\pdfvariable gentounicode}
+\edef\pdfpagebox                  {\pdfvariable pagebox}
+\edef\pdfminorversion             {\pdfvariable minorversion}
+\edef\pdfuniqueresname            {\pdfvariable uniqueresname}
+
+\edef\pdfhorigin                  {\pdfvariable horigin}
+\edef\pdfvorigin                  {\pdfvariable vorigin}
+\edef\pdflinkmargin               {\pdfvariable linkmargin}
+\edef\pdfdestmargin               {\pdfvariable destmargin}
+\edef\pdfthreadmargin             {\pdfvariable threadmargin}
+\edef\pdfxformmargin              {\pdfvariable xformmargin}
+
+\edef\pdfpagesattr                {\pdfvariable pagesattr}
+\edef\pdfpageattr                 {\pdfvariable pageattr}
+\edef\pdfpageresources            {\pdfvariable pageresources}
+\edef\pdfxformattr                {\pdfvariable xformattr}
+\edef\pdfxformresources           {\pdfvariable xformresources}
+\edef\pdfpkmode                   {\pdfvariable pkmode}
+
+\edef\pdfsuppressoptionalinfo     {\pdfvariable suppressoptionalinfo }
+\edef\pdftrailerid                {\pdfvariable trailerid }
+\stoptyping
+
+The variables are internal ones, so they are anonymous. When you ask for the
+meaning of a few previously defined ones:
+
+\starttyping
+\meaning\pdfhorigin
+\meaning\pdfcompresslevel
+\meaning\pdfpageattr
+\stoptyping
+
+you will get:
+
+\starttyping
+macro:->[internal backend dimension]
+macro:->[internal backend integer]
+macro:->[internal backend tokenlist]
+\stoptyping
+
+The \type {\edef} can also be an \type {\def} but it's a bit more efficient
+to expand the lookup related register beforehand. After that you can adapt
+the defaults; these are:
+
+\starttyping
+\pdfcompresslevel         9
+\pdfobjcompresslevel      1 % used: (0,9)
+\pdfdecimaldigits         4 % used: (3,6)
+\pdfgamma              1000
+\pdfimageresolution      71
+\pdfimageapplygamma       0
+\pdfimagegamma         2200
+\pdfimagehicolor          1
+\pdfimageaddfilename      1
+\pdfpkresolution         72
+\pdfpkfixeddpi            0
+\pdfinclusioncopyfonts    0
+\pdfinclusionerrorlevel   0
+\pdfignoreunknownimages   0
+\pdfgentounicode          0
+\pdfpagebox               0
+\pdfminorversion          4
+\pdfuniqueresname         0
+
+\pdfhorigin             1in
+\pdfvorigin             1in
+\pdflinkmargin          0pt
+\pdfdestmargin          0pt
+\pdfthreadmargin        0pt
+\pdfxformmargin         0pt
+\stoptyping
+
+If you also want some backward compatibility, you can add:
+
+\starttyping
+\let\pdfpagewidth      \pagewidth
+\let\pdfpageheight     \pageheight
+
+\let\pdfadjustspacing  \adjustspacing
+\let\pdfprotrudechars  \protrudechars
+\let\pdfnoligatures    \ignoreligaturesinfont
+\let\pdffontexpand     \expandglyphsinfont
+\let\pdfcopyfont       \copyfont
+
+\let\pdfxform          \saveboxresource
+\let\pdflastxform      \lastsavedboxresourceindex
+\let\pdfrefxform       \useboxresource
+
+\let\pdfximage         \saveimageresource
+\let\pdflastximage     \lastsavedimageresourceindex
+\let\pdflastximagepages\lastsavedimageresourcepages
+\let\pdfrefximage      \useimageresource
+
+\let\pdfsavepos        \savepos
+\let\pdflastxpos       \lastxpos
+\let\pdflastypos       \lastypos
+
+\let\pdfoutput         \outputmode
+\let\pdfdraftmode      \draftmode
+
+\let\pdfpxdimen        \pxdimen
+
+\let\pdfinsertht       \insertht
+
+\let\pdfnormaldeviate  \normaldeviate
+\let\pdfuniformdeviate \uniformdeviate
+\let\pdfsetrandomseed  \setrandomseed
+\let\pdfrandomseed     \randomseed
+
+\let\pdfprimitive      \primitive
+\let\ifpdfprimitive    \ifprimitive
+
+\let\ifpdfabsnum       \ifabsnum
+\let\ifpdfabsdim       \ifabsdim
+\stoptyping
+
+And even:
+
+\starttyping
+\newdimen\pdfeachlineheight
+\newdimen\pdfeachlinedepth
+\newdimen\pdflastlinedepth
+\newdimen\pdffirstlineheight
+\newdimen\pdfignoreddimen
+\stoptyping
+
+The backend is derived from \PDFTEX\ so the same syntax applies. However, the
+\type {outline} command accepts a \type {objnum} followed by a number. No
+checking takes place so when this is used it had better be a valid (flushed)
+object.
+
+In order to be (more or less) compatible with \PDFTEX\ we also support the
+option to suppress some info:
+
+\starttyping
+\pdfvariable suppressoptionalinfo \numexpr
+        0
+    +   1   % PTEX.FullBanner
+    +   2   % PTEX.FileName
+    +   4   % PTEX.PageNumber
+    +   8   % PTEX.InfoDict
+    +  16   % Creator
+    +  32   % CreationDate
+    +  64   % ModDate
+    + 128   % Producer
+    + 256   % Trapped
+    + 512   % ID
+\relax
+\stoptyping
+
+In addition you can overload the trailer id, but we don't do any checking on
+validity, so you have to pass a valid array. The following is like the ones
+normally generated by the engine:
+
+\starttyping
+\pdfvariable trailerid {[
+    <FA052949448907805BA83C1E78896398>
+    <FA052949448907805BA83C1E78896398>
+]}
+\stoptyping
+
+So, you even need to include the brackets!
+
+\stopsubsection
+
+\stopsection
+
+\startsection[title=Implementation notes]
+
+\startsubsection[title=Memory allocation]
+
+The single internal memory heap that traditional \TEX\ used for tokens and nodes
+is split into two separate arrays. Each of these will grow dynamically when
+needed.
+
+The \type {texmf.cnf} settings related to main memory are no longer used (these
+are: \type {main_memory}, \type {mem_bot}, \type {extra_mem_top} and \type
+{extra_mem_bot}). \quote {Out of main memory} errors can still occur, but the
+limiting factor is now the amount of RAM in your system, not a predefined limit.
+
+Also, the memory (de)allocation routines for nodes are completely rewritten. The
+relevant code now lives in the C file \type {texnode.c}, and basically uses a
+dozen or so \quote {avail} lists instead of a doubly|-|linked model. An extra
+function layer is added so that the code can ask for nodes by type instead of
+directly requisitioning a certain amount of memory words.
+
+Because of the split into two arrays and the resulting differences in the data
+structures, some of the macros have been duplicated. For instance, there are now
+\type {vlink} and \type {vinfo} as well as \type {token_link} and \type
+{token_info}. All access to the variable memory array is now hidden behind a
+macro called \type {vmem}. We mention this because using the \TEX book as
+reference is still quite valid but not for memory related details. Another
+significate detail is that we have double linked node lists and that some nodes
+carry more data.
+
+The implementation of the growth of two arrays (via reallocation) introduces a
+potential pitfall: the memory arrays should never be used as the left hand side
+of a statement that can modify the array in question. Details like this are
+of no concern to users.
+
+The input line buffer and pool size are now also reallocated when needed, and the
+\type {texmf.cnf} settings \type {buf_size} and \type {pool_size} are silently
+ignored.
+
+\stopsubsection
+
+\startsubsection[title=Sparse arrays]
+
+The \type {\mathcode}, \type {\delcode}, \type {\catcode}, \type {\sfcode}, \type
+{\lccode} and \type {\uccode} (and the new \type {\hjcode}) tables are now sparse
+arrays that are implemented in~\CCODE. They are no longer part of the \TEX\
+\quote {equivalence table} and because each had 1.1 million entries with a few
+memory words each, this makes a major difference in memory usage.
+
+The \type {\catcode}, \type {\sfcode}, \type {\lccode}, \type {\uccode} and \type
+{\hjcode} assignments do not yet show up when using the \ETEX\ tracing routines
+\type {\tracingassigns} and \type {\tracingrestores}.
+
+A side|-|effect of the current implementation is that \type {\global} is now more
+expensive in terms of processing than non|-|global assignments.
+
+The glyph ids within a font are also managed by means of a sparse array as glyph
+ids can go up to index $2^{21}-1$.
+
+\stopsubsection
+
+\startsubsection[title=Simple single-character csnames]
+
+Single|-|character commands are no longer treated specially in the internals,
+they are stored in the hash just like the multiletter csnames.
+
+The code that displays control sequences explicitly checks if the length is one
+when it has to decide whether or not to add a trailing space.
+
+Active characters are internally implemented as a special type of multi|-|letter
+control sequences that uses a prefix that is otherwise impossible to obtain.
+
+\stopsubsection
+
+\startsubsection[title=Compressed format]
+
+The format is passed through \type {zlib}, allowing it to shrink to roughly half
+of the size it would have had in uncompressed form. This takes a bit more \CPU\
+cycles but much less disk \IO, so it should still be faster.
+
+\stopsubsection
+
+\startsubsection[title=Binary file reading]
+
+All of the internal code is changed in such a way that if one of the \type
+{read_xxx_file} callbacks is not set, then the file is read by a \CCODE\ function
+using basically the same convention as the callback: a single read into a buffer
+big enough to hold the entire file contents. While this uses more memory than the
+previous code (that mostly used \type {getc} calls), it can be quite a bit faster
+(depending on your \IO\ subsystem).
+
+\stopsubsection
+
+\stopsection
+
+\stopchapter
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/luatex/luatex-nodes.tex b/Master/texmf-dist/doc/context/sources/general/manuals/luatex/luatex-nodes.tex
new file mode 100644
index 00000000000..372aca1e58b
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/luatex/luatex-nodes.tex
@@ -0,0 +1,1804 @@
+% language=uk
+
+\environment luatex-style
+\environment luatex-logos
+
+\startcomponent luatex-nodes
+
+\startchapter[reference=nodes,title={Nodes}]
+
+\section{\LUA\ node representation}
+
+\TEX's nodes are represented in \LUA\ as userdata object with a variable set of
+fields. In the following syntax tables, such the type of such a userdata object
+is represented as \syntax {<node>}.
+
+The current return value of \type {node.types()} is:
+\startluacode
+    for id, name in table.sortedhash(node.types()) do
+        context.type(name)
+        context(" (%s), ",id)
+    end
+    context.removeunwantedspaces()
+    context.removepunctuation()
+\stopluacode
+. % period
+
+The \type {\lastnodetype} primitive is \ETEX\ compliant. The valid range is still
+$[-1,15]$ and glyph nodes (formerly known as char nodes) have number~0 while
+ligature nodes are mapped to~7. That way macro packages can use the same symbolic
+names as in traditional \ETEX. Keep in mind that these \ETEX\ node numbers are
+different from the real internal ones and that there are more \ETEX\ node types
+than~15.
+
+You can ask for a list of fields with the \type {node.fields} (which takes an id)
+and for valid subtypes with \type {node.subtypes} (which takes a string because
+eventually we might support more used enumerations).
+
+\subsection{Attributes}
+
+The newly introduced attribute registers are non|-|trivial, because the value
+that is attached to a node is essentially a sparse array of key|-|value pairs. It
+is generally easiest to deal with attribute lists and attributes by using the
+dedicated functions in the \type {node} library, but for completeness, here is
+the low|-|level interface.
+
+\subsubsection{attribute_list nodes}
+
+An \type {attribute_list} item is used as a head pointer for a list of attribute
+items. It has only one user-visible field:
+
+\starttabulate[|lT|l|p|]
+\NC \rmbf field \NC \bf type \NC \bf explanation \NC \NR
+\NC next        \NC node     \NC pointer to the first attribute \NC \NR
+\stoptabulate
+
+\subsubsection{attribute nodes}
+
+A normal node's attribute field will point to an item of type \type
+{attribute_list}, and the \type {next} field in that item will point to the first
+defined \quote {attribute} item, whose \type {next} will point to the second
+\quote {attribute} item, etc.
+
+\starttabulate[|lT|l|p|]
+\NC \rmbf field \NC \bf type \NC \bf explanation \NC \NR
+\NC next        \NC node     \NC pointer to the next attribute \NC \NR
+\NC number      \NC number   \NC the attribute type id \NC \NR
+\NC value       \NC number   \NC the attribute value \NC \NR
+\stoptabulate
+
+As mentioned it's better to use the official helpers rather than edit these
+fields directly. For instance the \type {prev} field is used for other purposes
+and there is no double linked list.
+
+\subsection{Main text nodes}
+
+These are the nodes that comprise actual typesetting commands. A few fields are
+present in all nodes regardless of their type, these are:
+
+\starttabulate[|lT|l|p|]
+\NC \rmbf field \NC \bf type \NC \bf explanation \NC \NR
+\NC next        \NC node     \NC the next node in a list, or nil \NC \NR
+\NC id          \NC number   \NC the node's type (\type {id}) number \NC \NR
+\NC subtype     \NC number   \NC the node \type {subtype} identifier \NC \NR
+\stoptabulate
+
+The \type {subtype} is sometimes just a stub entry. Not all nodes actually use
+the \type {subtype}, but this way you can be sure that all nodes accept it as a
+valid field name, and that is often handy in node list traversal. In the
+following tables \type {next} and \type {id} are not explicitly mentioned.
+
+Besides these three fields, almost all nodes also have an \type {attr} field, and
+there is a also a field called \type {prev}. That last field is always present,
+but only initialized on explicit request: when the function \type {node.slide()}
+is called, it will set up the \type {prev} fields to be a backwards pointer in
+the argument node list. By now most of \TEX's node processing makes sure that the
+\type {prev} nodes are valid but there can be exceptions, especially when the
+internal magic uses a leading \type {temp} nodes to temporarily store a state.
+
+\subsubsection{hlist nodes}
+
+\starttabulate[|lT|l|p|]
+\NC \rmbf field \NC \bf type \NC \bf explanation \NC \NR
+\NC subtype     \NC number   \NC \showsubtypes{list} \NC \NR
+\NC attr        \NC node     \NC list of attributes \NC \NR
+\NC width       \NC number   \NC the width of the box \NC \NR
+\NC height      \NC number   \NC the height of the box \NC \NR
+\NC depth       \NC number   \NC the depth of the box \NC \NR
+\NC shift       \NC number   \NC a displacement perpendicular to the character progression direction \NC \NR
+\NC glue_order  \NC number   \NC a number in the range $[0,4]$, indicating the glue order \NC \NR
+\NC glue_set    \NC number   \NC the calculated glue ratio \NC \NR
+\NC glue_sign   \NC number   \NC 0 = \type {normal}, 1 = \type {stretching}, 2 = \type {shrinking} \NC \NR
+\NC head/list   \NC node     \NC the first node of the body of this list \NC \NR
+\NC dir         \NC string   \NC the direction of this box, see~\in[dirnodes] \NC \NR
+\stoptabulate
+
+A warning: never assign a node list to the \type {head} field unless you are sure
+its internal link structure is correct, otherwise an error may result.
+
+Note: the field name \type {head} and \type {list} are both valid. Sometimes it
+makes more sense to refer to a list by \type {head}, sometimes \type {list} makes
+more sense.
+
+\subsubsection{vlist nodes}
+
+This node is similar to \type {hlist}, except that \quote {shift} is a displacement
+perpendicular to the line progression direction, and \quote {subtype} only has
+the values 0, 4, and~5.
+
+\subsubsection{rule nodes}
+
+Contrary to traditional \TEX, \LUATEX\ has more subtypes because we also use
+rules to store reuseable objects and images. User nodes are invisible and can be
+intercepted by a callback.
+
+\starttabulate[|lT|l|p|]
+\NC \rmbf field \NC \bf type \NC \bf explanation \NC \NR
+\NC subtype     \NC number   \NC \showsubtypes{rule} \NC \NR
+\NC attr        \NC node     \NC list of attributes \NC \NR
+\NC width       \NC number   \NC the width of the rule where the special value $-1073741824$ is used for \quote {running} glue dimensions \NC \NR
+\NC height      \NC number   \NC the height of the rule (can be negative) \NC \NR
+\NC depth       \NC number   \NC the depth of the rule (can be negative) \NC \NR
+\NC dir         \NC string   \NC the direction of this rule, see~\in[dirnodes] \NC \NR
+\NC index       \NC number   \NC an optional index that can be referred to \NC \NR
+\stoptabulate
+
+\subsubsection{ins nodes}
+
+\starttabulate[|lT|l|p|]
+\NC \rmbf field \NC \bf type \NC \bf explanation \NC \NR
+\NC subtype     \NC number   \NC the insertion class \NC \NR
+\NC attr        \NC node     \NC list of attributes \NC \NR
+\NC cost        \NC number   \NC the penalty associated with this insert \NC \NR
+\NC height      \NC number   \NC height of the insert \NC \NR
+\NC depth       \NC number   \NC depth of the insert \NC \NR
+\NC head/list   \NC node     \NC the first node of the body of this insert \NC \NR
+\stoptabulate
+
+There is a set of extra fields that concern the associated glue: \type {width},
+\type {stretch}, \type {stretch_order}, \type {shrink} and \type {shrink_order}.
+These are all numbers.
+
+A warning: never assign a node list to the \type {head} field unless you are sure
+its internal link structure is correct, otherwise an error may be result. You can use
+\type {list} instead (often in functions you want to use local variable swith similar
+names and both names are equally sensible).
+
+\subsubsection{mark nodes}
+
+\starttabulate[|lT|l|p|]
+\NC \rmbf field \NC \bf type \NC \bf explanation \NC \NR
+\NC subtype     \NC number   \NC unused \NC \NR
+\NC attr        \NC node     \NC list of attributes \NC \NR
+\NC class       \NC number   \NC the mark class \NC \NR
+\NC mark        \NC table    \NC a table representing a token list \NC \NR
+\stoptabulate
+
+\subsubsection{adjust nodes}
+
+\starttabulate[|lT|l|p|]
+\NC \rmbf field \NC \bf type \NC \bf explanation \NC \NR
+\NC subtype     \NC number   \NC \showsubtypes{adjust} \NC \NR
+\NC attr        \NC node     \NC list of attributes \NC \NR
+\NC head/list   \NC node     \NC adjusted material \NC \NR
+\stoptabulate
+
+A warning: never assign a node list to the \type {head} field unless you are sure
+its internal link structure is correct, otherwise an error may be result.
+
+\subsubsection{disc nodes}
+
+\starttabulate[|lT|l|p|]
+\NC \rmbf field \NC \bf type \NC \bf explanation \NC \NR
+\NC subtype     \NC number   \NC \showsubtypes{disc} \NC \NR
+\NC attr        \NC node     \NC list of attributes \NC \NR
+\NC pre         \NC node     \NC pointer to the pre|-|break text \NC \NR
+\NC post        \NC node     \NC pointer to the post|-|break text \NC \NR
+\NC replace     \NC node     \NC pointer to the no|-|break text \NC \NR
+\NC penalty     \NC number   \NC the penalty associated with the break, normally \type {\hyphenpenalty} or \type {\exhyphenpenalty} \NC \NR
+\stoptabulate
+
+The subtype numbers~4 and~5 belong to the \quote {of-f-ice} explanation given
+elsewhere.
+
+\subsubsection{math nodes}
+
+\starttabulate[|lT|l|p|]
+\NC \rmbf field \NC \bf type \NC \bf explanation \NC \NR
+\NC subtype     \NC number   \NC \showsubtypes{math} \NC \NR
+\NC attr        \NC node     \NC list of attributes \NC \NR
+\NC surround    \NC number   \NC width of the \type {\mathsurround} kern \NC \NR
+\stoptabulate
+
+There is a set of extra fields that concern the associated glue: \type {width},
+\type {stretch}, \type {stretch_order}, \type {shrink} and \type {shrink_order}.
+These are all numbers.
+
+\subsubsection{glue nodes}
+
+Skips are about the only type of data objects in traditional \TEX\ that are not a
+simple value. The structure that represents the glue components of a skip is
+called a \type {glue_spec}, and it has the following accessible fields:
+
+\starttabulate[|lT|l|p|]
+\NC \rmbf key     \NC \bf type \NC \bf explanation \NC \NR
+\NC width         \NC number   \NC the horizontal or vertical displacement \NC \NR
+\NC stretch       \NC number   \NC extra (positive) displacement or stretch amount \NC \NR
+\NC stretch_order \NC number   \NC factor applied to stretch amount \NC \NR
+\NC shrink        \NC number   \NC extra (negative) displacement or shrink amount\NC \NR
+\NC shrink_order  \NC number   \NC factor applied to shrink amount \NC \NR
+\stoptabulate
+
+The effective width of some glue subtypes depends on the stretch or shrink needed
+to make the encapsulating box fit its dimensions. For instance, in a paragraph
+lines normally have glue representing spaces and these stretch of shrink to make
+the content fit in the available space. The \type {effective_glue} function that
+takes a glue node and a parent (hlist or vlist) returns the effective width of
+that glue item.
+
+A gluespec node is a special kind of node that is used for storing a set of glue
+values in registers. Originally they were also used to store properties of glue
+nodes (using a system of reference counts) but we now keep these properties in
+the glue nodes themselves, which gives a cleaner interface to \LUA.
+
+The indirect spec approach was in fact an optimization in the original \TEX\
+code. First of all it can save quite some memory because all these spaces that
+become glue now share the same specification (only the reference count is
+incremented), and zero testing is also a bit faster because only the pointer has
+to be checked (this is no longer true for engines that implement for instance
+protrusion where we really need to ensure that zero is zero when we test for
+bounds). Another side effect is that glue specifications are read|-|only, so in
+the end copies need to be made when they are used from \LUA\ (each assignment to
+a field can result in a new copy). So in the end the advantages of sharing are
+not that high (and nowadays memory is less an issue, also given that a glue node
+is only a few memory words larger than a spec).
+
+\starttabulate[|lT|l|p|]
+\NC \rmbf field   \NC \bf type \NC \bf explanation \NC \NR
+\NC subtype       \NC number   \NC \showsubtypes{glue} \NC \NR
+\NC attr          \NC node     \NC list of attributes \NC \NR
+\NC leader        \NC node     \NC pointer to a box or rule for leaders \NC \NR
+\stoptabulate
+
+In addition there are the \type {width}, \type {stretch} \type {stretch_order},
+\type {shrink}, and \type {shrink_order} fields. Note that we use the key \type
+{width} in both horizontal and vertical glue. This suits the \TEX\ internals well
+so we decided to stick to that naming.
+
+A regular word space also results in a \type {spaceskip} subtype (this used to be
+a \type {userskip} with subtype zero).
+
+\subsubsection{kern nodes}
+
+\starttabulate[|lT|l|p|]
+\NC \rmbf field \NC \bf type \NC \bf explanation \NC \NR
+\NC subtype     \NC number   \NC \showsubtypes{kern} \NC \NR
+\NC attr        \NC node     \NC list of attributes \NC \NR
+\NC kern        \NC number   \NC fixed horizontal or vertical advance \NC \NR
+\stoptabulate
+
+\subsubsection{penalty nodes}
+
+\starttabulate[|lT|l|p|]
+\NC \rmbf field  \NC \bf type \NC \bf explanation \NC \NR
+\NC subtype      \NC number   \NC not used \NC \NR
+\NC attr         \NC node     \NC list of attributes \NC \NR
+\NC penalty      \NC number   \NC the penalty value \NC \NR
+\stoptabulate
+
+\subsubsection[glyphnodes]{glyph nodes}
+
+\starttabulate[|lT|l|p|]
+\NC \rmbf field      \NC \rmbf type \NC \rmbf explanation \NC \NR
+\NC subtype          \NC number     \NC bitfield \NC \NR
+\NC attr             \NC node       \NC list of attributes \NC \NR
+\NC char             \NC number     \NC the chatacter index in the font \NC \NR
+\NC font             \NC number     \NC the font identifier \NC \NR
+\NC lang             \NC number     \NC the language identifier \NC \NR
+\NC left             \NC number     \NC the frozen \type {\lefthyphenmnin} value \NC \NR
+\NC right            \NC number     \NC the frozen \type {\righthyphenmnin} value \NC \NR
+\NC uchyph           \NC boolean    \NC the frozen \type {\uchyph} value \NC \NR
+\NC components       \NC node       \NC pointer to ligature components \NC \NR
+\NC xoffset          \NC number     \NC a virtual displacement in horizontal direction \NC \NR
+\NC yoffset          \NC number     \NC a virtual displacement in vertical direction \NC \NR
+\NC xadvance         \NC number     \NC an additional advance after the glyph (experimental) \NC \NR
+\NC width            \NC number     \NC the (original) width of the character \NC \NR
+\NC height           \NC number     \NC the (original) height of the character\NC \NR
+\NC depth            \NC number     \NC the (original) depth of the character\NC \NR
+\NC expansion_factor \NC number     \NC the to be applied expansion_factor \NC \NR
+\stoptabulate
+
+The \type {width}, \type {height} and \type {depth} values are read|-|only. The
+\type {expansion_factor} is assigned in the parbuilder and used in the backend.
+
+A warning: never assign a node list to the components field unless you are sure
+its internal link structure is correct, otherwise an error may be result. Valid
+bits for the \type {subtype} field are:
+
+\starttabulate[|c|l|]
+\NC \rmbf bit \NC \bf meaning \NC \NR
+\NC 0         \NC character   \NC \NR
+\NC 1         \NC ligature    \NC \NR
+\NC 2         \NC ghost       \NC \NR
+\NC 3         \NC left        \NC \NR
+\NC 4         \NC right       \NC \NR
+\stoptabulate
+
+See \in {section} [charsandglyphs] for a detailed description of the \type
+{subtype} field.
+
+The \type {expansion_factor} has been introduced as part of the separation
+between font- and backend. It is the result of extensive experiments with a more
+efficient implementation of expansion. Early versions of \LUATEX\ already
+replaced multiple instances of fonts in the backend by scaling but contrary to
+\PDFTEX\ in \LUATEX\ we now also got rid of font copies in the frontend and
+replaced them by expansion factors that travel with glyph nodes. Apart from a
+cleaner approach this is also a step towards a better separation between front-
+and backend.
+
+The \type {is_char} function checks if a node is a glyph node with a subtype still
+less than 256. This function can be used to determine if applying font logic to a
+glyph node makes sense. The value \type {nil} gets returned when the node is not
+a glyph, a character number is returned if the node is still tagged as character
+and \type {false} gets returned otherwise. When nil is returned, the id is also
+returned. The \type {is_glyph} variant doesn't check for a subtype being less
+than 256, so it returns either the character value or nil plus the id. These
+helpers are not always faster than separate calls but they sometimes permit
+making more readable tests.
+
+\subsubsection{boundary nodes}
+
+\starttabulate[|lT|l|p|]
+\NC \rmbf field \NC \bf type \NC \bf explanation \NC \NR
+\NC subtype     \NC number   \NC \showsubtypes{boundary} \NC \NR
+\NC attr        \NC node     \NC list of attributes \NC \NR
+\NC value       \NC number   \NC values 0--255 are reserved \NC \NR
+\stoptabulate
+
+This node relates to the \type {\noboundary}, \type {\boundary}, \type
+{\protrusionboundary} and \type {\wordboundary} primitives.
+
+\subsubsection{local_par nodes}
+
+\starttabulate[|lT|l|p|]
+\NC \rmbf field     \NC \bf type \NC \bf explanation \NC \NR
+\NC attr            \NC node     \NC list of attributes \NC \NR
+\NC pen_inter       \NC number   \NC local interline penalty (from \type {\localinterlinepenalty}) \NC \NR
+\NC pen_broken      \NC number   \NC local broken penalty (from \type {\localbrokenpenalty}) \NC \NR
+\NC dir             \NC string   \NC the direction of this par. see~\in [dirnodes] \NC \NR
+\NC box_left        \NC node     \NC the \type {\localleftbox} \NC \NR
+\NC box_left_width  \NC number   \NC width of the \type {\localleftbox} \NC \NR
+\NC box_right       \NC node     \NC the \type {\localrightbox} \NC \NR
+\NC box_right_width \NC number   \NC width of the \type {\localrightbox} \NC \NR
+\stoptabulate
+
+A warning: never assign a node list to the \type {box_left} or \type {box_right}
+field unless you are sure its internal link structure is correct, otherwise an
+error may be result.
+
+\subsubsection[dirnodes]{dir nodes}
+
+\starttabulate[|lT|l|p|]
+\NC \rmbf field \NC \bf type \NC \bf explanation \NC \NR
+\NC attr        \NC node     \NC list of attributes \NC \NR
+\NC dir         \NC string   \NC the direction (but see below) \NC \NR
+\NC level       \NC number   \NC nesting level of this direction whatsit \NC \NR
+\stoptabulate
+
+A note on \type {dir} strings. Direction specifiers are three|-|letter
+combinations of \type {T}, \type {B}, \type {R}, and \type {L}.
+
+These are built up out of three separate items:
+
+\startitemize[packed]
+\startitem
+    the first  is the direction of the \quote{top}   of paragraphs.
+\stopitem
+\startitem
+    the second is the direction of the \quote{start} of lines.
+\stopitem
+\startitem
+    the third  is the direction of the \quote{top}   of glyphs.
+\stopitem
+\stopitemize
+
+However, only four combinations are accepted: \type {TLT}, \type {TRT}, \type
+{RTT}, and \type {LTL}.
+
+Inside actual \type {dir} whatsit nodes, the representation of \type {dir} is not
+a three-letter but a four|-|letter combination. The first character in this case
+is always either \type {+} or \type {-}, indicating whether the value is pushed
+or popped from the direction stack.
+
+\subsubsection{margin_kern nodes}
+
+\starttabulate[|lT|l|p|]
+\NC \rmbf field \NC \bf type \NC \bf explanation \NC \NR
+\NC subtype     \NC number   \NC \showsubtypes{margin_kern} \NC \NR
+\NC attr        \NC node     \NC list of attributes \NC \NR
+\NC width       \NC number   \NC the advance of the kern \NC \NR
+\NC glyph       \NC node     \NC the glyph to be used \NC \NR
+\stoptabulate
+
+\subsection{Math nodes}
+
+These are the so||called \quote {noad}s and the nodes that are specifically
+associated with math processing. Most of these nodes contain subnodes so that the
+list of possible fields is actually quite small. First, the subnodes:
+
+\subsubsection{Math kernel subnodes}
+
+Many object fields in math mode are either simple characters in a specific family
+or math lists or node lists. There are four associated subnodes that represent
+these cases (in the following node descriptions these are indicated by the word
+\type {<kernel>}).
+
+The \type {next} and \type {prev} fields for these subnodes are unused.
+
+\subsubsubsection{math_char and math_text_char subnodes}
+
+\starttabulate[|lT|l|p|]
+\NC \rmbf field \NC \bf type \NC \bf explanation \NC \NR
+\NC attr        \NC node     \NC list of attributes \NC \NR
+\NC char        \NC number   \NC the character index \NC \NR
+\NC fam         \NC number   \NC the family number \NC \NR
+\stoptabulate
+
+The \type {math_char} is the simplest subnode field, it contains the character
+and family for a single glyph object. The \type {math_text_char} is a special
+case that you will not normally encounter, it arises temporarily during math list
+conversion (its sole function is to suppress a following italic correction).
+
+\subsubsubsection{sub_box and sub_mlist subnodes}
+
+\starttabulate[|lT|l|p|]
+\NC \rmbf field \NC \bf type \NC \bf explanation \NC \NR
+\NC attr        \NC node     \NC list of attributes \NC \NR
+\NC head/list   \NC node     \NC list of nodes \NC \NR
+\stoptabulate
+
+These two subnode types are used for subsidiary list items. For \type {sub_box},
+the \type {head} points to a \quote {normal} vbox or hbox. For \type {sub_mlist},
+the \type {head} points to a math list that is yet to be converted.
+
+A warning: never assign a node list to the \type {head} field unless you are sure
+its internal link structure is correct, otherwise an error may be result.
+
+\subsubsection{Math delimiter subnode}
+
+There is a fifth subnode type that is used exclusively for delimiter fields. As
+before, the \type {next} and \type {prev} fields are unused.
+
+\subsubsubsection{delim subnodes}
+
+\starttabulate[|lT|l|p|]
+\NC \rmbf field \NC \bf type \NC \bf explanation \NC \NR
+\NC attr        \NC node     \NC list of attributes \NC \NR
+\NC small_char  \NC number   \NC character index of base character \NC \NR
+\NC small_fam   \NC number   \NC family number of base character \NC \NR
+\NC large_char  \NC number   \NC character index of next larger character \NC \NR
+\NC large_fam   \NC number   \NC family number of next larger character \NC \NR
+\stoptabulate
+
+The fields \type {large_char} and \type {large_fam} can be zero, in that case the
+font that is sed for the \type {small_fam} is expected to provide the large
+version as an extension to the \type {small_char}.
+
+\subsubsection{Math core nodes}
+
+First, there are the objects (the \TEX book calls then \quote {atoms}) that are
+associated with the simple math objects: ord, op, bin, rel, open, close, punct,
+inner, over, under, vcent. These all have the same fields, and they are combined
+into a single node type with separate subtypes for differentiation.
+
+\subsubsubsection{simple nodes}
+
+\starttabulate[|lT|l|p|]
+\NC \rmbf field \NC \bf type    \NC \bf explanation \NC \NR
+\NC subtype     \NC number      \NC \showsubtypes{noad} \NC \NR
+\NC attr        \NC node        \NC list of attributes \NC \NR
+\NC nucleus     \NC kernel node \NC base \NC \NR
+\NC sub         \NC kernel node \NC subscript \NC \NR
+\NC sup         \NC kernel node \NC superscript \NC \NR
+\stoptabulate
+
+\subsubsubsection{accent nodes}
+
+\starttabulate[|lT|l|p|]
+\NC \rmbf field \NC \bf type    \NC \bf explanation \NC \NR
+\NC subtype     \NC number      \NC \showsubtypes{accent} \NC \NR
+\NC nucleus     \NC kernel node \NC base \NC \NR
+\NC sub         \NC kernel node \NC subscript \NC \NR
+\NC sup         \NC kernel node \NC superscript \NC \NR
+\NC accent      \NC kernel node \NC top accent \NC \NR
+\NC bot_accent  \NC kernel node \NC bottom accent \NC \NR
+\stoptabulate
+
+\subsubsubsection{style nodes}
+
+\starttabulate[|lT|l|p|]
+\NC \rmbf field \NC \bf type \NC \bf explanation    \NC \NR
+\NC style       \NC string   \NC contains the style \NC \NR
+\stoptabulate
+
+There are eight possibilities for the string value: one of \quote {display},
+\quote {text}, \quote {script}, or \quote {scriptscript}. Each of these can have
+a trailing \type {'} to signify \quote {cramped} styles.
+
+\subsubsubsection{choice nodes}
+
+\starttabulate[|lT|l|p|]
+\NC \rmbf field  \NC \bf type \NC \bf explanation \NC \NR
+\NC attr         \NC node     \NC list of attributes \NC \NR
+\NC display      \NC node     \NC list of display size alternatives \NC \NR
+\NC text         \NC node     \NC list of text size alternatives \NC \NR
+\NC script       \NC node     \NC list of scriptsize alternatives \NC \NR
+\NC scriptscript \NC node     \NC list of scriptscriptsize alternatives \NC \NR
+\stoptabulate
+
+A warning: never assign a node list to the display, text, script, or
+scriptscript field unless you are sure its internal link structure is
+correct, otherwise an error may be result.
+
+\subsubsubsection{radical nodes}
+
+\starttabulate[|lT|l|p|]
+\NC \rmbf field \NC \bf type       \NC \bf explanation \NC \NR
+\NC subtype     \NC number         \NC \showsubtypes{radical} \NC \NR
+\NC attr        \NC node           \NC list of attributes \NC \NR
+\NC nucleus     \NC kernel node    \NC base \NC \NR
+\NC sub         \NC kernel node    \NC subscript \NC \NR
+\NC sup         \NC kernel node    \NC superscript \NC \NR
+\NC left        \NC delimiter node \NC \NC \NR
+\NC degree      \NC kernel node    \NC only set by \type {\Uroot} \NC \NR
+\stoptabulate
+
+A warning: never assign a node list to the nucleus, sub, sup, left, or degree
+field unless you are sure its internal link structure is correct, otherwise an
+error may be result.
+
+\subsubsubsection{fraction nodes}
+
+\starttabulate[|lT|l|p|]
+\NC \rmbf field \NC \bf type        \NC \bf explanation \NC \NR
+\NC attr        \NC node            \NC list of attributes \NC \NR
+\NC width       \NC number          \NC (optional) width of the fraction \NC \NR
+\NC num         \NC kernel node     \NC numerator \NC \NR
+\NC denom       \NC kernel node     \NC denominator \NC \NR
+\NC left        \NC delimiter node  \NC left side symbol \NC \NR
+\NC right       \NC delimiter node  \NC right side symbol\NC \NR
+\stoptabulate
+
+A warning: never assign a node list to the num, or denom field unless you are
+sure its internal link structure is correct, otherwise an error may be result.
+
+\subsubsubsection{fence nodes}
+
+\starttabulate[|lT|l|p|]
+\NC \rmbf field \NC \bf type       \NC \bf explanation \NC \NR
+\NC subtype     \NC number         \NC \showsubtypes{fence} \NC \NR
+\NC attr        \NC node           \NC list of attributes \NC \NR
+\NC delim       \NC delimiter node \NC delimiter specification \NC \NR
+\stoptabulate
+
+\subsection{whatsit nodes}
+
+Whatsit nodes come in many subtypes that you can ask for by running
+\type {node.whatsits()}:
+\startluacode
+    for id, name in table.sortedpairs(node.whatsits()) do
+        context.type(name)
+        context(" (%s), ",id)
+    end
+    context.removeunwantedspaces()
+    context.removepunctuation()
+\stopluacode
+. % period
+
+\subsubsection{front|-|end whatits}
+
+\subsubsubsection{open whatsits}
+
+\starttabulate[|lT|l|p|]
+\NC \rmbf field \NC \bf type \NC \bf explanation \NC \NR
+\NC attr        \NC node     \NC list of attributes \NC \NR
+\NC stream      \NC number   \NC \TEX's stream id number \NC \NR
+\NC name        \NC string   \NC file name \NC \NR
+\NC ext         \NC string   \NC file extension \NC \NR
+\NC area        \NC string   \NC file area (this may become obsolete) \NC \NR
+\stoptabulate
+
+\subsubsubsection{write whatsits}
+
+\starttabulate[|lT|l|p|]
+\NC \rmbf field \NC \bf type \NC \bf explanation \NC \NR
+\NC attr        \NC node     \NC list of attributes \NC \NR
+\NC stream      \NC number   \NC \TEX's stream id number \NC \NR
+\NC data        \NC table    \NC a table representing the token list to be written \NC \NR
+\stoptabulate
+
+\subsubsubsection{close whatsits}
+
+\starttabulate[|lT|l|p|]
+\NC \rmbf field \NC \bf type \NC \bf explanation \NC \NR
+\NC attr        \NC node     \NC list of attributes \NC \NR
+\NC stream      \NC number   \NC \TEX's stream id number \NC \NR
+\stoptabulate
+
+\subsubsubsection{user_defined whatits}
+
+User|-|defined whatsit nodes can only be created and handled from \LUA\ code. In
+effect, they are an extension to the extension mechanism. The \LUATEX\ engine
+will simply step over such whatsits without ever looking at the contents.
+
+\starttabulate[|lT|l|p|]
+\NC \rmbf field \NC \bf type \NC \bf explanation \NC \NR
+\NC attr        \NC node     \NC list of attributes \NC \NR
+\NC user_id     \NC number   \NC id number \NC \NR
+\NC type        \NC number   \NC type of the value \NC \NR
+\NC value       \NC number   \NC a \LUA\ number \NC \NR
+\NC             \NC node     \NC a node list \NC \NR
+\NC             \NC string   \NC a \LUA\ string \NC \NR
+\NC             \NC table    \NC a \LUA\ table \NC \NR
+\stoptabulate
+
+The \type {type} can have one of five distinct values:
+
+\starttabulate[|lT|p|]
+\NC \rmbf value \NC \bf explanation \NC \NR
+\NC   97        \NC list of attributes \NC \NR
+\NC  100        \NC a \LUA\ number \NC \NR
+\NC  110        \NC a node list \NC \NR
+\NC  115        \NC a \LUA\ string \NC \NR
+\NC  116        \NC a \LUA\ token list in \LUA\ table form \NC \NR
+\stoptabulate
+
+\subsubsubsection{save_pos whatsits}
+
+\starttabulate[|lT|l|p|]
+\NC \rmbf field \NC \bf type \NC \bf explanation \NC \NR
+\NC attr        \NC node     \NC list of attributes \NC \NR
+\stoptabulate
+
+\subsubsubsection{late_lua whatsits}
+
+\starttabulate[|lT|l|p|]
+\NC \rmbf field \NC \bf type \NC \bf explanation \NC \NR
+\NC attr        \NC node     \NC list of attributes \NC \NR
+\NC data        \NC string   \NC data to execute \NC \NR
+\NC string      \NC string   \NC data to execute \NC \NR
+\NC name        \NC string   \NC the name to use for \LUA\ error reporting \NC \NR
+\stoptabulate
+
+The difference between \type {data} and \type {string} is that on assignment, the
+\type {data} field is converted to a token list, cf. use as \type {\latelua}. The
+\type {string} version is treated as a literal string.
+
+\subsubsection{\DVI\ backend whatits}
+
+\subsubsection{special whatits}
+
+\starttabulate[|lT|l|p|]
+\NC \rmbf field \NC \bf type \NC \bf explanation \NC \NR
+\NC attr        \NC node     \NC list of attributes \NC \NR
+\NC data        \NC string   \NC the \type {\special} information \NC \NR
+\stoptabulate
+
+\subsubsection{\PDF\ backend whatits}
+
+\subsubsubsection{pdf_literal whatits}
+
+\starttabulate[|lT|l|p|]
+\NC \rmbf field \NC \bf type \NC \bf explanation \NC \NR
+\NC attr        \NC node     \NC list of attributes \NC \NR
+\NC mode        \NC number   \NC the \quote {mode} setting of this literal \NC \NR
+\NC data        \NC string   \NC the \type {\pdfliteral} information \NC \NR
+\stoptabulate
+
+Possible mode values are:
+
+\starttabulate[|lT|p|]
+\NC \rmbf value \NC \rmbf \PDFTEX\ keyword \NC \NR
+\NC 0           \NC setorigin              \NC \NR
+\NC 1           \NC page                   \NC \NR
+\NC 2           \NC direct                 \NC \NR
+\stoptabulate
+
+\subsubsubsection{pdf_refobj whatits}
+
+\starttabulate[|lT|l|p|]
+\NC \rmbf field \NC \bf type \NC \bf explanation \NC \NR
+\NC attr        \NC node     \NC list of attributes \NC \NR
+\NC objnum      \NC number   \NC the referenced \PDF\ object number \NC \NR
+\stoptabulate
+
+\subsubsubsection{pdf_annot whatits}
+
+\starttabulate[|lT|l|p|]
+\NC \rmbf field \NC \bf type \NC \bf explanation \NC \NR
+\NC attr        \NC node     \NC list of attributes \NC \NR
+\NC width       \NC number   \NC the width (not used in calculations) \NC \NR
+\NC height      \NC number   \NC the height (not used in calculations) \NC \NR
+\NC depth       \NC number   \NC the depth (not used in calculations) \NC \NR
+\NC objnum      \NC number   \NC the referenced \PDF\ object number \NC \NR
+\NC data        \NC string   \NC the annotation data \NC \NR
+\stoptabulate
+
+\subsubsubsection{pdf_start_link whatits}
+
+\starttabulate[|lT|l|p|]
+\NC \rmbf field \NC \bf type \NC \bf explanation \NC \NR
+\NC attr        \NC node     \NC list of attributes \NC \NR
+\NC width       \NC number   \NC the width (not used in calculations) \NC \NR
+\NC height      \NC number   \NC the height (not used in calculations) \NC \NR
+\NC depth       \NC number   \NC the depth (not used in calculations) \NC \NR
+\NC objnum      \NC number   \NC the referenced \PDF\ object number \NC \NR
+\NC link_attr   \NC table    \NC the link attribute token list \NC \NR
+\NC action      \NC node     \NC the action to perform \NC \NR
+\stoptabulate
+
+\subsubsubsection{pdf_end_link whatits}
+
+\starttabulate[|lT|l|p|]
+\NC \rmbf field \NC \bf type        \NC \bf explanation \NC \NR
+\NC attr        \NC node \NC \NC \NR
+\stoptabulate
+
+\subsubsubsection{pdf_dest whatits}
+
+\starttabulate[|lT|l|p|]
+\NC \rmbf field \NC \bf type \NC \bf explanation \NC \NR
+\NC attr        \NC node     \NC list of attributes \NC \NR
+\NC width       \NC number   \NC the width (not used in calculations) \NC \NR
+\NC height      \NC number   \NC the height (not used in calculations) \NC \NR
+\NC depth       \NC number   \NC the depth (not used in calculations) \NC \NR
+\NC named_id    \NC number   \NC is the \type {dest_id} a string value? \NC \NR
+\NC dest_id     \NC number   \NC the destination id \NC \NR
+\NC             \NC string   \NC the destination name \NC \NR
+\NC dest_type   \NC number   \NC type of destination \NC \NR
+\NC xyz_zoom    \NC number   \NC the zoom factor (times 1000) \NC \NR
+\NC objnum      \NC number   \NC the \PDF\ object number \NC \NR
+\stoptabulate
+
+\subsubsubsection{pdf_action whatits}
+
+These are a special kind of item that only appears inside \PDF\ start link
+objects.
+
+\starttabulate[|lT|l|p|]
+\NC \rmbf field \NC \bf type         \NC \bf explanation \NC \NR
+\NC action_type \NC number           \NC the kind of action involved \NC \NR
+\NC action_id   \NC number or string \NC token list reference or string \NC \NR
+\NC named_id    \NC number           \NC the index of the destination \NC \NR
+\NC file        \NC string           \NC the target filename \NC \NR
+\NC new_window  \NC number           \NC the window state of the target \NC \NR
+\NC data        \NC string           \NC the name of the destination \NC \NR
+\stoptabulate
+
+Valid action types are:
+
+\starttabulate[|lT|lT|]
+\NC 0 \NC page   \NC \NR
+\NC 1 \NC goto   \NC \NR
+\NC 2 \NC thread \NC \NR
+\NC 3 \NC user   \NC \NR
+\stoptabulate
+
+Valid window types are:
+
+\starttabulate[|lT|lT|]
+\NC 0 \NC notset \NC \NR
+\NC 1 \NC new    \NC \NR
+\NC 2 \NC nonew  \NC \NR
+\stoptabulate
+
+\subsubsubsection{pdf_thread whatits}
+
+\starttabulate[|lT|l|p|]
+\NC \rmbf field \NC \bf type \NC \bf explanation \NC \NR
+\NC attr        \NC node     \NC list of attributes \NC \NR
+\NC width       \NC number   \NC the width (not used in calculations) \NC \NR
+\NC height      \NC number   \NC the height (not used in calculations) \NC \NR
+\NC depth       \NC number   \NC the depth (not used in calculations) \NC \NR
+\NC named_id    \NC number   \NC is \type {tread_id} a string value? \NC \NR
+\NC tread_id    \NC number   \NC the thread id \NC \NR
+\NC             \NC string   \NC the thread name \NC \NR
+\NC thread_attr \NC number   \NC extra thread information \NC \NR
+\stoptabulate
+
+\subsubsubsection{pdf_start_thread whatits}
+
+\starttabulate[|lT|l|p|]
+\NC \rmbf field \NC \bf type \NC \bf explanation \NC \NR
+\NC attr        \NC node     \NC list of attributes \NC \NR
+\NC width       \NC number   \NC the width (not used in calculations) \NC \NR
+\NC height      \NC number   \NC the height (not used in calculations) \NC \NR
+\NC depth       \NC number   \NC the depth (not used in calculations) \NC \NR
+\NC named_id    \NC number   \NC is \type {tread_id} a string value? \NC \NR
+\NC tread_id    \NC number   \NC the thread id \NC \NR
+\NC             \NC string   \NC the thread name \NC \NR
+\NC thread_attr \NC number   \NC extra thread information \NC \NR
+\stoptabulate
+
+\subsubsubsection{pdf_end_thread whatits}
+
+\starttabulate[|lT|l|p|]
+\NC \rmbf field \NC \bf type \NC \bf explanation \NC \NR
+\NC attr        \NC node     \NC \NC \NR
+\stoptabulate
+
+\subsubsubsection{pdf_colorstack whatits}
+
+\starttabulate[|lT|l|p|]
+\NC \rmbf field \NC \bf type \NC \bf explanation \NC \NR
+\NC attr        \NC node     \NC list of attributes \NC \NR
+\NC stack       \NC number   \NC colorstack id number \NC \NR
+\NC command     \NC number   \NC command to execute \NC \NR
+\NC data        \NC string   \NC data \NC \NR
+\stoptabulate
+
+\subsubsubsection{pdf_setmatrix whatits}
+
+\starttabulate[|lT|l|p|]
+\NC \rmbf field \NC \bf type \NC \bf explanation \NC \NR
+\NC attr        \NC node     \NC list of attributes \NC \NR
+\NC data        \NC string   \NC data \NC \NR
+\stoptabulate
+
+\subsubsubsection{pdf_save whatits}
+
+\starttabulate[|lT|l|p|]
+\NC \rmbf field \NC \bf type \NC \bf explanation \NC \NR
+\NC attr        \NC node     \NC list of attributes \NC \NR
+\stoptabulate
+
+\subsubsubsection{pdf_restore whatits}
+
+\starttabulate[|lT|l|p|]
+\NC \rmbf field \NC \bf type \NC \bf explanation \NC \NR
+\NC attr        \NC node     \NC list of attributes \NC \NR
+\stoptabulate
+
+\section{Two access models}
+
+Deep down in \TEX\ a node has a number which is an numeric entry in a memory
+table. In fact, this model, where \TEX\ manages memory is real fast and one of
+the reasons why plugging in callbacks that operate on nodes is quite fast too.
+Each node gets a number that is in fact an index in the memory table and that
+number often gets reported when you print node related information.
+
+There are two access models, a robust one using a so called user data object that
+provides a virtual interface to the internal nodes, and a more direct access which
+uses the node numbers directly. The first model provide key based access while
+the second always accesses fields via functions:
+
+\starttyping
+nodeobject.char
+getfield(nodenumber,"char")
+\stoptyping
+
+If you use the direct model, even if you know that you deal with numbers, you
+should not depend on that property but treat it an abstraction just like
+traditional nodes. In fact, the fact that we use a simple basic datatype has the
+penalty that less checking can be done, but less checking is also the reason why
+it's somewhat faster. An important aspect is that one cannot mix both methods,
+but you can cast both models. So, multiplying a node number makes no sense.
+
+So our advice is: use the indexed (table) approach when possible and investigate
+the direct one when speed might be an real issue. For that reason we also provide
+the \type {get*} and \type {set*} functions in the top level node namespace.
+There is a limited set of getters. When implementing this direct approach the
+regular index by key variant was also optimized, so direct access only makes
+sense when we're accessing nodes millions of times (which happens in some font
+processing for instance).
+
+We're talking mostly of getters because setters are less important. Documents
+have not that many content related nodes and setting many thousands of properties
+is hardly a burden contrary to millions of consultations.
+
+Normally you will access nodes like this:
+
+\starttyping
+local next = current.next
+if next then
+    -- do something
+end
+\stoptyping
+
+Here \type {next} is not a real field, but a virtual one. Accessing it results in
+a metatable method being called. In practice it boils down to looking up the node
+type and based on the node type checking for the field name. In a worst case you
+have a node type that sits at the end of the lookup list and a field that is last
+in the lookup chain. However, in successive versions of \LUATEX\ these lookups
+have been optimized and the most frequently accessed nodes and fields have a
+higher priority.
+
+Because in practice the \type {next} accessor results in a function call, there
+is some overhead involved. The next code does the same and performs a tiny bit
+faster (but not that much because it is still a function call but one that knows
+what to look up).
+
+\starttyping
+local next = node.next(current)
+if next then
+    -- do something
+end
+\stoptyping
+
+If performance matters you can use an function instead:
+
+\starttabulate[|T|p|]
+\NC getnext    \NC parsing nodelist always involves this one \NC \NR
+\NC getprev    \NC used less but is logical companion to \type {getnext} \NC \NR
+\NC getboth    \NC returns the next and prev pointer of a node \NC \NR
+\NC getid      \NC consulted a lot \NC \NR
+\NC getsubtype \NC consulted less but also a topper \NC \NR
+\NC getfont    \NC used a lot in \OPENTYPE\ handling (glyph nodes are consulted a lot) \NC \NR
+\NC getchar    \NC idem and also in other places \NC \NR
+\NC getdisc    \NC returns the \type {pre}, \type {post} and \type {replace} fields and
+                   optionally when true is passed also the tail fields. \NC \NR
+\NC getlist    \NC we often parse nested lists so this is a convenient one too
+                   (only works for hlist and vlist!) \NC \NR
+\NC getleader  \NC comparable to list, seldom used in \TEX\ (but needs frequent consulting
+                   like lists; leaders could have been made a dedicated node type) \NC \NR
+\NC getfield   \NC generic getter, sufficient for the rest (other field names are
+                   often shared so a specific getter makes no sense then) \NC \NR
+\stoptabulate
+
+The direct variants also have setters, where the discretionary setter takes three
+(optional) arguments plus an optional fourth indicating the subtype.
+
+It doesn't make sense to add getters for all fields, also because some are not
+unique to one node type. Profiling demonstrated that these fields can get
+accesses way more times than other fields. Even in complex documents, many node
+and fields types never get seen, or seen only a few times. Most functions in the
+\type {node} namespace have a companion in \type {node.direct}, but of course not
+the ones that don't deal with nodes themselves. The following table summarized
+this:
+
+% \startcolumns[balance=yes]
+
+\def\yes{$+$} \def\nop{$-$}
+
+\starttabulate[|T|c|c|]
+\HL
+\NC \bf function                 \NC \bf node \NC \bf direct \NC \NR
+\HL
+\NC \type {copy_list}            \NC \yes \NC \yes  \NC \NR
+\NC \type {copy}                 \NC \yes \NC \yes  \NC \NR
+\NC \type {count}                \NC \yes \NC \yes  \NC \NR
+\NC \type {current_attr}         \NC \yes \NC \yes  \NC \NR
+\NC \type {dimensions}           \NC \yes \NC \yes  \NC \NR
+\NC \type {do_ligature_n}        \NC \yes \NC \yes  \NC \NR
+\NC \type {effective_glue}       \NC \yes \NC \yes  \NC \NR
+\NC \type {end_of_math}          \NC \yes \NC \yes  \NC \NR
+\NC \type {family_font}          \NC \yes \NC \nop  \NC \NR
+\NC \type {fields}               \NC \yes \NC \nop  \NC \NR
+\NC \type {first_character}      \NC \yes \NC \nop  \NC \NR
+\NC \type {first_glyph}          \NC \yes \NC \yes  \NC \NR
+\NC \type {flush_list}           \NC \yes \NC \yes  \NC \NR
+\NC \type {flush_node}           \NC \yes \NC \yes  \NC \NR
+\NC \type {free}                 \NC \yes \NC \yes  \NC \NR
+\NC \type {getboth}              \NC \yes \NC \yes  \NC \NR
+\NC \type {getbox}               \NC \nop \NC \yes  \NC \NR
+\NC \type {getchar}              \NC \yes \NC \yes  \NC \NR
+\NC \type {getdisc}              \NC \yes \NC \yes  \NC \NR
+\NC \type {getfield}             \NC \yes \NC \yes  \NC \NR
+\NC \type {getfont}              \NC \yes \NC \yes  \NC \NR
+\NC \type {getid}                \NC \yes \NC \yes  \NC \NR
+\NC \type {getleader}            \NC \yes \NC \yes  \NC \NR
+\NC \type {getlist}              \NC \yes \NC \yes  \NC \NR
+\NC \type {getnext}              \NC \yes \NC \yes  \NC \NR
+\NC \type {getprev}              \NC \yes \NC \yes  \NC \NR
+\NC \type {getsubtype}           \NC \yes \NC \yes  \NC \NR
+\NC \type {has_attribute}        \NC \yes \NC \yes  \NC \NR
+\NC \type {has_field}            \NC \yes \NC \yes  \NC \NR
+\NC \type {has_glyph}            \NC \yes \NC \yes  \NC \NR
+\NC \type {hpack}                \NC \yes \NC \yes  \NC \NR
+\NC \type {id}                   \NC \yes \NC \nop  \NC \NR
+\NC \type {insert_after}         \NC \yes \NC \yes  \NC \NR
+\NC \type {insert_before}        \NC \yes \NC \yes  \NC \NR
+\NC \type {is_char}              \NC \yes \NC \yes  \NC \NR
+\NC \type {is_glyph}             \NC \yes \NC \yes  \NC \NR
+\NC \type {is_direct}            \NC \nop \NC \yes  \NC \NR
+\NC \type {is_node}              \NC \yes \NC \yes  \NC \NR
+\NC \type {kerning}              \NC \yes \NC \yes  \NC \NR
+\NC \type {last_node}            \NC \yes \NC \yes  \NC \NR
+\NC \type {length}               \NC \yes \NC \yes  \NC \NR
+\NC \type {ligaturing}           \NC \yes \NC \yes  \NC \NR
+\NC \type {mlist_to_hlist}       \NC \yes \NC \nop  \NC \NR
+\NC \type {new}                  \NC \yes \NC \yes  \NC \NR
+\NC \type {next}                 \NC \yes \NC \nop  \NC \NR
+\NC \type {prev}                 \NC \yes \NC \nop  \NC \NR
+\NC \type {protect_glyph}        \NC \yes \NC \yes  \NC \NR
+\NC \type {protect_glyphs}       \NC \yes \NC \yes  \NC \NR
+\NC \type {protrusion_skippable} \NC \yes \NC \yes  \NC \NR
+\NC \type {remove}               \NC \yes \NC \yes  \NC \NR
+\NC \type {set_attribute}        \NC \yes \NC \yes  \NC \NR
+\NC \type {setboth}              \NC \yes \NC \yes  \NC \NR
+\NC \type {setbox}               \NC \yes \NC \yes  \NC \NR
+\NC \type {setchar}              \NC \yes \NC \yes  \NC \NR
+\NC \type {setdisc}              \NC \yes \NC \yes  \NC \NR
+\NC \type {setfield}             \NC \yes \NC \yes  \NC \NR
+\NC \type {setlink}              \NC \yes \NC \yes  \NC \NR
+\NC \type {setnext}              \NC \yes \NC \yes  \NC \NR
+\NC \type {setprev}              \NC \yes \NC \yes  \NC \NR
+\NC \type {slide}                \NC \yes \NC \yes  \NC \NR
+\NC \type {subtype}              \NC \yes \NC \nop  \NC \NR
+\NC \type {subtypes}             \NC \yes \NC \nop  \NC \NR
+\NC \type {tail}                 \NC \yes \NC \yes  \NC \NR
+\NC \type {todirect}             \NC \yes \NC \yes  \NC \NR
+\NC \type {tonode}               \NC \yes \NC \yes  \NC \NR
+\NC \type {tostring}             \NC \yes \NC \yes  \NC \NR
+\NC \type {traverse_id}          \NC \yes \NC \yes  \NC \NR
+\NC \type {traverse_char}        \NC \yes \NC \yes  \NC \NR
+\NC \type {traverse}             \NC \yes \NC \yes  \NC \NR
+\NC \type {types}                \NC \yes \NC \nop  \NC \NR
+\NC \type {type}                 \NC \yes \NC \nop  \NC \NR
+\NC \type {unprotect_glyphs}     \NC \yes \NC \yes  \NC \NR
+\NC \type {unset_attribute}      \NC \yes \NC \yes  \NC \NR
+\NC \type {usedlist}             \NC \yes \NC \yes  \NC \NR
+\NC \type {vpack}                \NC \yes \NC \yes  \NC \NR
+\NC \type {whatsits}             \NC \yes \NC \nop  \NC \NR
+\NC \type {whatsitsubtypes}      \NC \yes \NC \nop  \NC \NR
+\NC \type {write}                \NC \yes \NC \yes  \NC \NR
+\NC \type {setglue}              \NC \yes \NC \yes  \NC \NR
+\NC \type {getglue}              \NC \yes \NC \yes  \NC \NR
+\NC \type {glue_is_zero}         \NC \yes \NC \yes  \NC \NR
+\stoptabulate
+
+% \stopcolumns
+
+The \type {node.next} and \type {node.prev} functions will stay but for
+consistency there are variants called \type {getnext} and \type {getprev}. We had
+to use \type {get} because \type {node.id} and \type {node.subtype} are already
+taken for providing meta information about nodes. Note: The getters do only basic
+checking for valid keys. You should just stick to the keys mentioned in the
+sections that describe node properties.
+
+Some nodes have indirect references. For instance a math character refers to a
+family instead of a font. In that case we provide a virtual font field as
+accessor. So, \type {getfont} and \type {.font} can be used on them. The same is
+true for the \type {width}, \type {height} and \type {depth} of glue nodes. These
+actually access the spec node properties, and here we can set as well as get the
+values.
+
+\section{The \type {node} library}
+
+The \type {node} library contains functions that facilitate dealing with (lists
+of) nodes and their values. They allow you to create, alter, copy, delete, and
+insert \LUATEX\ node objects, the core objects within the typesetter.
+
+\LUATEX\ nodes are represented in \LUA\ as userdata with the metadata type
+\type {luatex.node}. The various parts within a node can be accessed using
+named fields.
+
+Each node has at least the three fields \type {next}, \type {id}, and \type
+{subtype}:
+
+\startitemize[intro]
+
+\startitem
+    The \type {next} field returns the userdata object for the next node in a
+    linked list of nodes, or \type {nil}, if there is no next node.
+\stopitem
+
+\startitem
+    The \type {id} indicates \TEX's \quote{node type}. The field \type {id} has a
+    numeric value for efficiency reasons, but some of the library functions also
+    accept a string value instead of \type {id}.
+\stopitem
+
+\startitem
+    The \type {subtype} is another number. It often gives further information
+    about a node of a particular \type {id}, but it is most important when
+    dealing with \quote {whatsits}, because they are differentiated solely based
+    on their \type {subtype}.
+\stopitem
+
+\stopitemize
+
+The other available fields depend on the \type {id} (and for \quote {whatsits},
+the \type {subtype}) of the node. Further details on the various fields and their
+meanings are given in~\in{chapter}[nodes].
+
+Support for \type {unset} (alignment) nodes is partial: they can be queried and
+modified from \LUA\ code, but not created.
+
+Nodes can be compared to each other, but: you are actually comparing indices into
+the node memory. This means that equality tests can only be trusted under very
+limited conditions. It will not work correctly in any situation where one of the
+two nodes has been freed and|/|or reallocated: in that case, there will be false
+positives.
+
+At the moment, memory management of nodes should still be done explicitly by the
+user. Nodes are not \quote {seen} by the \LUA\ garbage collector, so you have to
+call the node freeing functions yourself when you are no longer in need of a node
+(list). Nodes form linked lists without reference counting, so you have to be
+careful that when control returns back to \LUATEX\ itself, you have not deleted
+nodes that are still referenced from a \type {next} pointer elsewhere, and that
+you did not create nodes that are referenced more than once.
+
+There are statistics available with regards to the allocated node memory, which
+can be handy for tracing.
+
+\subsection{Node handling functions}
+
+\subsubsection{\type {node.is_node}}
+
+\startfunctioncall
+<boolean> t =
+    node.is_node(<any> item)
+\stopfunctioncall
+
+This function returns true if the argument is a userdata object of
+type \type {<node>}.
+
+\subsubsection{\type {node.types}}
+
+\startfunctioncall
+<table> t =
+    node.types()
+\stopfunctioncall
+
+This function returns an array that maps node id numbers to node type strings,
+providing an overview of the possible top|-|level \type {id} types.
+
+\subsubsection{\type {node.whatsits}}
+
+\startfunctioncall
+<table> t =
+    node.whatsits()
+\stopfunctioncall
+
+\TEX's \quote{whatsits} all have the same \type {id}. The various subtypes are
+defined by their \type {subtype} fields. The function is much like \type
+{node.types}, except that it provides an array of \type {subtype} mappings.
+
+\subsubsection{\type {node.id}}
+
+\startfunctioncall
+<number> id =
+    node.id(<string> type)
+\stopfunctioncall
+
+This converts a single type name to its internal numeric representation.
+
+\subsubsection{\type {node.subtype}}
+
+\startfunctioncall
+<number> subtype =
+    node.subtype(<string> type)
+\stopfunctioncall
+
+This converts a single whatsit name to its internal numeric representation (\type
+{subtype}).
+
+\subsubsection{\type {node.type}}
+
+\startfunctioncall
+<string> type =
+    node.type(<any> n)
+\stopfunctioncall
+
+In the argument is a number, then this function converts an internal numeric
+representation to an external string representation. Otherwise, it will return
+the string \type {node} if the object represents a node, and \type {nil}
+otherwise.
+
+\subsubsection{\type {node.fields}}
+
+\startfunctioncall
+<table> t =
+    node.fields(<number> id)
+<table> t =
+    node.fields(<number> id, <number> subtype)
+\stopfunctioncall
+
+This function returns an array of valid field names for a particular type of
+node. If you want to get the valid fields for a \quote {whatsit}, you have to
+supply the second argument also. In other cases, any given second argument will
+be silently ignored.
+
+This function accepts string \type {id} and \type {subtype} values as well.
+
+\subsubsection{\type {node.has_field}}
+
+\startfunctioncall
+<boolean> t =
+    node.has_field(<node> n, <string> field)
+\stopfunctioncall
+
+This function returns a boolean that is only true if \type {n} is
+actually a node, and it has the field.
+
+\subsubsection{\type {node.new}}
+
+\startfunctioncall
+<node> n =
+    node.new(<number> id)
+<node> n =
+    node.new(<number> id, <number> subtype)
+\stopfunctioncall
+
+Creates a new node. All of the new node's fields are initialized to either zero
+or \type {nil} except for \type {id} and \type {subtype} (if supplied). If you
+want to create a new whatsit, then the second argument is required, otherwise it
+need not be present. As with all node functions, this function creates a node on
+the \TEX\ level.
+
+This function accepts string \type {id} and \type {subtype} values as well.
+
+\subsubsection{\type {node.free}}
+
+\startfunctioncall
+node.free(<node> n)
+\stopfunctioncall
+
+Removes the node \type {n} from \TEX's memory. Be careful: no checks are done on
+whether this node is still pointed to from a register or some \type {next} field:
+it is up to you to make sure that the internal data structures remain correct.
+
+\subsubsection{\type {node.flush_list}}
+
+\startfunctioncall
+node.flush_list(<node> n)
+\stopfunctioncall
+
+Removes the node list \type {n} and the complete node list following \type {n}
+from \TEX's memory. Be careful: no checks are done on whether any of these nodes
+is still pointed to from a register or some \type {next} field: it is up to you
+to make sure that the internal data structures remain correct.
+
+\subsubsection{\type {node.copy}}
+
+\startfunctioncall
+<node> m =
+    node.copy(<node> n)
+\stopfunctioncall
+
+Creates a deep copy of node \type {n}, including all nested lists as in the case
+of a hlist or vlist node. Only the \type {next} field is not copied.
+
+\subsubsection{\type {node.copy_list}}
+
+\startfunctioncall
+<node> m =
+    node.copy_list(<node> n)
+<node> m =
+    node.copy_list(<node> n, <node> m)
+\stopfunctioncall
+
+Creates a deep copy of the node list that starts at \type {n}. If \type {m} is
+also given, the copy stops just before node \type {m}.
+
+Note that you cannot copy attribute lists this way, specialized functions for
+dealing with attribute lists will be provided later but are not there yet.
+However, there is normally no need to copy attribute lists as when you do
+assignments to the \type {attr} field or make changes to specific attributes, the
+needed copying and freeing takes place automatically.
+
+\subsubsection{\type {node.next}}
+
+\startfunctioncall
+<node> m =
+    node.next(<node> n)
+\stopfunctioncall
+
+Returns the node following this node, or \type {nil} if there is no such node.
+
+\subsubsection{\type {node.prev}}
+
+\startfunctioncall
+<node> m =
+    node.prev(<node> n)
+\stopfunctioncall
+
+Returns the node preceding this node, or \type {nil} if there is no such node.
+
+\subsubsection{\type {node.current_attr}}
+
+\startfunctioncall
+<node> m =
+    node.current_attr()
+\stopfunctioncall
+
+Returns the currently active list of attributes, if there is one.
+
+The intended usage of \type {current_attr} is as follows:
+
+\starttyping
+local x1 = node.new("glyph")
+x1.attr = node.current_attr()
+local x2 = node.new("glyph")
+x2.attr = node.current_attr()
+\stoptyping
+
+or:
+
+\starttyping
+local x1 = node.new("glyph")
+local x2 = node.new("glyph")
+local ca = node.current_attr()
+x1.attr = ca
+x2.attr = ca
+\stoptyping
+
+The attribute lists are ref counted and the assignment takes care of incrementing
+the refcount. You cannot expect the value \type {ca} to be valid any more when
+you assign attributes (using \type {tex.setattribute}) or when control has been
+passed back to \TEX.
+
+Note: this function is somewhat experimental, and it returns the {\it actual}
+attribute list, not a copy thereof. Therefore, changing any of the attributes in
+the list will change these values for all nodes that have the current attribute
+list assigned to them.
+
+\subsubsection{\type {node.hpack}}
+
+\startfunctioncall
+<node> h, <number> b =
+    node.hpack(<node> n)
+<node> h, <number> b =
+    node.hpack(<node> n, <number> w, <string> info)
+<node> h, <number> b =
+    node.hpack(<node> n, <number> w, <string> info, <string> dir)
+\stopfunctioncall
+
+This function creates a new hlist by packaging the list that begins at node \type
+{n} into a horizontal box. With only a single argument, this box is created using
+the natural width of its components. In the three argument form, \type {info}
+must be either \type {additional} or \type {exactly}, and \type {w} is the
+additional (\type {\hbox spread}) or exact (\type {\hbox to}) width to be used. The
+second return value is the badness of the generated box.
+
+Caveat: at this moment, there can be unexpected side|-|effects to this function,
+like updating some of the \type {\marks} and \type {\inserts}. Also note that the
+content of \type {h} is the original node list \type {n}: if you call \type
+{node.free(h)} you will also free the node list itself, unless you explicitly set
+the \type {list} field to \type {nil} beforehand. And in a similar way, calling
+\type {node.free(n)} will invalidate \type {h} as well!
+
+\subsubsection{\type {node.vpack}}
+
+\startfunctioncall
+<node> h, <number> b =
+    node.vpack(<node> n)
+<node> h, <number> b =
+    node.vpack(<node> n, <number> w, <string> info)
+<node> h, <number> b =
+    node.vpack(<node> n, <number> w, <string> info, <string> dir)
+\stopfunctioncall
+
+This function creates a new vlist by packaging the list that begins at node \type
+{n} into a vertical box. With only a single argument, this box is created using
+the natural height of its components. In the three argument form, \type {info}
+must be either \type {additional} or \type {exactly}, and \type {w} is the
+additional (\type {\vbox spread}) or exact (\type {\vbox to}) height to be used.
+
+The second return value is the badness of the generated box.
+
+See the description of \type {node.hpack()} for a few memory allocation caveats.
+
+\subsubsection{\type {node.dimensions}}
+
+\startfunctioncall
+<number> w, <number> h, <number> d  =
+    node.dimensions(<node> n)
+<number> w, <number> h, <number> d  =
+    node.dimensions(<node> n, <string> dir)
+<number> w, <number> h, <number> d  =
+    node.dimensions(<node> n, <node> t)
+<number> w, <number> h, <number> d  =
+    node.dimensions(<node> n, <node> t, <string> dir)
+\stopfunctioncall
+
+This function calculates the natural in|-|line dimensions of the node list starting
+at node \type {n} and terminating just before node \type {t} (or the end of the
+list, if there is no second argument). The return values are scaled points. An
+alternative format that starts with glue parameters as the first three arguments
+is also possible:
+
+\startfunctioncall
+<number> w, <number> h, <number> d  =
+    node.dimensions(<number> glue_set, <number> glue_sign, <number> glue_order,
+        <node> n)
+<number> w, <number> h, <number> d  =
+    node.dimensions(<number> glue_set, <number> glue_sign, <number> glue_order,
+        <node> n, <string> dir)
+<number> w, <number> h, <number> d  =
+    node.dimensions(<number> glue_set, <number> glue_sign, <number> glue_order,
+        <node> n, <node> t)
+<number> w, <number> h, <number> d  =
+    node.dimensions(<number> glue_set, <number> glue_sign, <number> glue_order,
+        <node> n, <node> t, <string> dir)
+\stopfunctioncall
+
+This calling method takes glue settings into account and is especially useful for
+finding the actual width of a sublist of nodes that are already boxed, for
+example in code like this, which prints the width of the space in between the
+\type {a} and \type {b} as it would be if \type {\box0} was used as-is:
+
+\starttyping
+\setbox0 = \hbox to 20pt {a b}
+
+\directlua{print (node.dimensions(
+    tex.box[0].glue_set,
+    tex.box[0].glue_sign,
+    tex.box[0].glue_order,
+    tex.box[0].head.next,
+    node.tail(tex.box[0].head)
+)) }
+\stoptyping
+
+You need to keep in mind that this is one of the few places in \TEX\ where floats
+are used, which means that you can get small differences in rounding when you
+compare the width repported by \type {hpack} with \type {dimensions}.
+
+\subsubsection{\type {node.mlist_to_hlist}}
+
+\startfunctioncall
+<node> h =
+    node.mlist_to_hlist(<node> n, <string> display_type, <boolean> penalties)
+\stopfunctioncall
+
+This runs the internal mlist to hlist conversion, converting the math list in
+\type {n} into the horizontal list \type {h}. The interface is exactly the same
+as for the callback \type {mlist_to_hlist}.
+
+\subsubsection{\type {node.slide}}
+
+\startfunctioncall
+<node> m =
+    node.slide(<node> n)
+\stopfunctioncall
+
+Returns the last node of the node list that starts at \type {n}. As a
+side|-|effect, it also creates a reverse chain of \type {prev} pointers between
+nodes.
+
+\subsubsection{\type {node.tail}}
+
+\startfunctioncall
+<node> m =
+    node.tail(<node> n)
+\stopfunctioncall
+
+Returns the last node of the node list that starts at \type {n}.
+
+\subsubsection{\type {node.length}}
+
+\startfunctioncall
+<number> i =
+    node.length(<node> n)
+<number> i =
+    node.length(<node> n, <node> m)
+\stopfunctioncall
+
+Returns the number of nodes contained in the node list that starts at \type {n}.
+If \type {m} is also supplied it stops at \type {m} instead of at the end of the
+list. The node \type {m} is not counted.
+
+\subsubsection{\type {node.count}}
+
+\startfunctioncall
+<number> i =
+    node.count(<number> id, <node> n)
+<number> i =
+    node.count(<number> id, <node> n, <node> m)
+\stopfunctioncall
+
+Returns the number of nodes contained in the node list that starts at \type {n}
+that have a matching \type {id} field. If \type {m} is also supplied, counting
+stops at \type {m} instead of at the end of the list. The node \type {m} is not
+counted.
+
+This function also accept string \type {id}'s.
+
+\subsubsection{\type {node.traverse}}
+
+\startfunctioncall
+<node> t =
+    node.traverse(<node> n)
+\stopfunctioncall
+
+This is a \LUA\ iterator that loops over the node list that starts at \type {n}.
+Typically code looks like this:
+
+\starttyping
+for n in node.traverse(head) do
+   ...
+end
+\stoptyping
+
+is functionally equivalent to:
+
+\starttyping
+do
+  local n
+  local function f (head,var)
+    local t
+    if var == nil then
+       t = head
+    else
+       t = var.next
+    end
+    return t
+  end
+  while true do
+    n = f (head, n)
+    if n == nil then break end
+    ...
+  end
+end
+\stoptyping
+
+It should be clear from the definition of the function \type {f} that even though
+it is possible to add or remove nodes from the node list while traversing, you
+have to take great care to make sure all the \type {next} (and \type {prev})
+pointers remain valid.
+
+If the above is unclear to you, see the section \quote {For Statement} in the
+\LUA\ Reference Manual.
+
+\subsubsection{\type {node.traverse_id}}
+
+\startfunctioncall
+<node> t =
+    node.traverse_id(<number> id, <node> n)
+\stopfunctioncall
+
+This is an iterator that loops over all the nodes in the list that starts at
+\type {n} that have a matching \type {id} field.
+
+See the previous section for details. The change is in the local function \type
+{f}, which now does an extra while loop checking against the upvalue \type {id}:
+
+\starttyping
+ local function f(head,var)
+   local t
+   if var == nil then
+      t = head
+   else
+      t = var.next
+   end
+   while not t.id == id do
+      t = t.next
+   end
+   return t
+ end
+\stoptyping
+
+\subsubsection{\type {node.end_of_math}}
+
+\startfunctioncall
+<node> t =
+    node.end_of_math(<node> start)
+\stopfunctioncall
+
+Looks for and returns the next \type {math_node} following the \type {start}. If
+the given node is a math endnode this helper return that node, else it follows
+the list and return the next math endnote. If no such node is found nil is
+returned.
+
+\subsubsection{\type {node.remove}}
+
+\startfunctioncall
+<node> head, current =
+    node.remove(<node> head, <node> current)
+\stopfunctioncall
+
+This function removes the node \type {current} from the list following \type
+{head}. It is your responsibility to make sure it is really part of that list.
+The return values are the new \type {head} and \type {current} nodes. The
+returned \type {current} is the node following the \type {current} in the calling
+argument, and is only passed back as a convenience (or \type {nil}, if there is
+no such node). The returned \type {head} is more important, because if the
+function is called with \type {current} equal to \type {head}, it will be
+changed.
+
+\subsubsection{\type {node.insert_before}}
+
+\startfunctioncall
+<node> head, new =
+    node.insert_before(<node> head, <node> current, <node> new)
+\stopfunctioncall
+
+This function inserts the node \type {new} before \type {current} into the list
+following \type {head}. It is your responsibility to make sure that \type
+{current} is really part of that list. The return values are the (potentially
+mutated) \type {head} and the node \type {new}, set up to be part of the list
+(with correct \type {next} field). If \type {head} is initially \type {nil}, it
+will become \type {new}.
+
+\subsubsection{\type {node.insert_after}}
+
+\startfunctioncall
+<node> head, new =
+    node.insert_after(<node> head, <node> current, <node> new)
+\stopfunctioncall
+
+This function inserts the node \type {new} after \type {current} into the list
+following \type {head}. It is your responsibility to make sure that \type
+{current} is really part of that list. The return values are the \type {head} and
+the node \type {new}, set up to be part of the list (with correct \type {next}
+field). If \type {head} is initially \type {nil}, it will become \type {new}.
+
+\subsubsection{\type {node.first_glyph}}
+
+\startfunctioncall
+<node> n =
+    node.first_glyph(<node> n)
+<node> n =
+    node.first_glyph(<node> n, <node> m)
+\stopfunctioncall
+
+Returns the first node in the list starting at \type {n} that is a glyph node
+with a subtype indicating it is a glyph, or \type {nil}. If \type {m} is given,
+processing stops at (but including) that node, otherwise processing stops at the
+end of the list.
+
+\subsubsection{\type {node.ligaturing}}
+
+\startfunctioncall
+<node> h, <node> t, <boolean> success =
+    node.ligaturing(<node> n)
+<node> h, <node> t, <boolean> success =
+    node.ligaturing(<node> n, <node> m)
+\stopfunctioncall
+
+Apply \TEX-style ligaturing to the specified nodelist. The tail node \type {m} is
+optional. The two returned nodes \type {h} and \type {t} are the new head and
+tail (both \type {n} and \type {m} can change into a new ligature).
+
+\subsubsection{\type {node.kerning}}
+
+\startfunctioncall
+<node> h, <node> t, <boolean> success =
+    node.kerning(<node> n)
+<node> h, <node> t, <boolean> success =
+    node.kerning(<node> n, <node> m)
+\stopfunctioncall
+
+Apply \TEX|-|style kerning to the specified node list. The tail node \type {m} is
+optional. The two returned nodes \type {h} and \type {t} are the head and tail
+(either one of these can be an inserted kern node, because special kernings with
+word boundaries are possible).
+
+\subsubsection{\type {node.unprotect_glyphs}}
+
+\startfunctioncall
+node.unprotect_glyphs(<node> n)
+\stopfunctioncall
+
+Subtracts 256 from all glyph node subtypes. This and the next function are
+helpers to convert from \type {characters} to \type {glyphs} during node
+processing.
+
+\subsubsection{\type {node.protect_glyphs}}
+
+\startfunctioncall
+node.protect_glyphs(<node> n)
+\stopfunctioncall
+
+Adds 256 to all glyph node subtypes in the node list starting at \type {n},
+except that if the value is 1, it adds only 255. The special handling of 1 means
+that \type {characters} will become \type {glyphs} after subtraction of 256.
+
+\subsubsection{\type {node.last_node}}
+
+\startfunctioncall
+<node> n =
+    node.last_node()
+\stopfunctioncall
+
+This function pops the last node from \TEX's \quote{current list}. It returns
+that node, or \type {nil} if the current list is empty.
+
+\subsubsection{\type {node.write}}
+
+\startfunctioncall
+node.write(<node> n)
+\stopfunctioncall
+
+This is an experimental function that will append a node list to \TEX's \quote
+{current list} The node list is not deep|-|copied! There is no error checking
+either!
+
+\subsubsection{\type {node.protrusion_skippable}}
+
+\startfunctioncall
+<boolean> skippable =
+    node.protrusion_skippable(<node> n)
+\stopfunctioncall
+
+Returns \type {true} if, for the purpose of line boundary discovery when
+character protrusion is active, this node can be skipped.
+
+\subsection{Glue handling}
+
+\subsubsection{\type {node.setglue}}
+
+You can set the properties of a glue in one go. If you pass no values, the glue
+will become a zero glue.
+
+\startfunctioncall
+node.setglue(<node> n)
+node.setglue(<node> n,width,stretch,shrink,stretch_order,shrink_order)
+\stopfunctioncall
+
+When you pass values, only arguments that are numbers
+are assigned so
+
+\starttyping
+node.setglue(n,655360,false,65536)
+\stoptyping
+
+will only adapt the width and shrink.
+
+\subsubsection{\type {node.getglue}}
+
+The next call will return 5 values (or northing when no glue is passed).
+
+\startfunctioncall
+<integer> width, <integer> stretch, <integer> shrink, <integer> stretch_order,
+    <integer> shrink_order = node.getglue(<node> n)
+\stopfunctioncall
+
+\subsubsection{\type {node.is_zero_glue}}
+
+This function returns \type {true} when the width, stretch and shrink properties
+are zero.
+
+\startfunctioncall
+<boolean> isglue =
+    node.is_zero_glue(<node> n)
+\stopfunctioncall
+
+\subsection{Attribute handling}
+
+Attributes appear as linked list of userdata objects in the \type {attr} field of
+individual nodes. They can be handled individually, but it is much safer and more
+efficient to use the dedicated functions associated with them.
+
+\subsubsection{\type {node.has_attribute}}
+
+\startfunctioncall
+<number> v =
+    node.has_attribute(<node> n, <number> id)
+<number> v =
+    node.has_attribute(<node> n, <number> id, <number> val)
+\stopfunctioncall
+
+Tests if a node has the attribute with number \type {id} set. If \type {val} is
+also supplied, also tests if the value matches \type {val}. It returns the value,
+or, if no match is found, \type {nil}.
+
+\subsubsection{\type {node.set_attribute}}
+
+\startfunctioncall
+node.set_attribute(<node> n, <number> id, <number> val)
+\stopfunctioncall
+
+Sets the attribute with number \type {id} to the value \type {val}. Duplicate
+assignments are ignored. {\em [needs explanation]}
+
+\subsubsection{\type {node.unset_attribute}}
+
+\startfunctioncall
+<number> v =
+    node.unset_attribute(<node> n, <number> id)
+<number> v =
+    node.unset_attribute(<node> n, <number> id, <number> val)
+\stopfunctioncall
+
+Unsets the attribute with number \type {id}. If \type {val} is also supplied, it
+will only perform this operation if the value matches \type {val}. Missing
+attributes or attribute|-|value pairs are ignored.
+
+If the attribute was actually deleted, returns its old value. Otherwise, returns
+\type {nil}.
+
+\stopchapter
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/luatex/luatex-style.tex b/Master/texmf-dist/doc/context/sources/general/manuals/luatex/luatex-style.tex
new file mode 100644
index 00000000000..feca120eddb
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/luatex/luatex-style.tex
@@ -0,0 +1,355 @@
+\startenvironment luatex-style
+
+\usemodule[abr-02]
+
+\setuplayout
+  [height=middle,
+   width=middle,
+   backspace=2cm,
+   topspace=10mm,
+   bottomspace=10mm,
+   header=10mm,
+   footer=10mm,
+   footerdistance=10mm,
+   headerdistance=10mm]
+
+\setuppagenumbering
+  [alternative=doublesided]
+
+\setuptolerance
+  [stretch,tolerant]
+
+\setuptype
+  [lines=hyphenated]
+
+\setuptyping
+  [lines=hyphenated]
+
+\setupitemize
+  [each]
+  [packed]
+
+\setupwhitespace
+  [medium]
+
+\startluacode
+    local skipped = table.tohash { 'id', 'subtype', 'next', 'prev' }
+
+    function document.functions.showfields(s)
+        local t = string.split(s,',')
+        local f = node.fields(t[1],t[2])
+        if f then
+            local d = false
+            for i=1,#f do
+                local fi = f[i]
+                if skipped[fi] then
+                    -- okay
+                elseif d then
+                    context(', {\tttf %s}', fi)
+                else
+                    context('{\tttf %s}', fi)
+                    d = true
+                end
+            end
+        end
+    end
+
+    function document.functions.showid(s)
+        local t = string.split(s,',')
+        context('{tttf %s}',node.id(t[1]))
+        if t[2] then
+            context(', {tttf %s}',node.subtype(t[2]))
+        end
+    end
+
+    function document.functions.showsubtypes(s)
+        local s = node.subtypes(s)
+        local d = false
+        for k, v in table.sortedhash(s) do
+            if d then
+                context(', %s = {\\tttf %s}',k,v)
+            else
+                context('%s = {\\tttf %s}',k,v)
+                d = true
+            end
+        end
+    end
+\stopluacode
+
+\unexpanded\def\showfields  #1{\ctxlua{document.functions.showfields("#1")}}
+\unexpanded\def\showid      #1{\ctxlua{document.functions.showid("#1")}}
+\unexpanded\def\showsubtypes#1{\ctxlua{document.functions.showsubtypes("#1")}}
+
+\definecolor[blue]      [b=.5]
+\definecolor[red]       [r=.5]
+\definecolor[green]     [g=.5]
+\definecolor[maincolor] [b=.5]
+\definecolor[keptcolor] [b=.5]
+\definecolor[othercolor][r=.5,g=.5]
+
+\setupbodyfont[modern] % we need this in examples so we predefine
+
+% \doifmodeelse {atpragma} {
+%
+%   %  \setupbodyfont
+%   %    [lucidaot,10pt]
+%
+%     \setupbodyfont
+%       [dejavu,10pt]
+%
+%     \setuphead [chapter]      [style=\bfd]
+%     \setuphead [section]      [style=\bfb]
+%     \setuphead [subsection]   [style=\bfa]
+%     \setuphead [subsubsection][style=\bf]
+%
+% } {
+%
+%     \definetypeface[mainfacenormal]  [ss][sans] [iwona]       [default]
+%     \definetypeface[mainfacenormal]  [rm][serif][palatino]    [default]
+%     \definetypeface[mainfacenormal]  [tt][mono] [modern]      [default][rscale=1.1]
+%     \definetypeface[mainfacenormal]  [mm][math] [iwona]       [default]
+%
+%     \definetypeface[mainfacemedium]  [ss][sans] [iwona-medium][default]
+%     \definetypeface[mainfacemedium]  [rm][serif][palatino]    [default]
+%     \definetypeface[mainfacemedium]  [tt][mono] [modern]      [default][rscale=1.1]
+%     \definetypeface[mainfacemedium]  [mm][math] [iwona-medium][default]
+%
+%     \setupbodyfont
+%       [mainfacenormal,10pt]
+%
+%     \setuphead [chapter]      [style=\mainfacemedium\bfd]
+%     \setuphead [section]      [style=\mainfacemedium\bfb]
+%     \setuphead [subsection]   [style=\mainfacemedium\bfa]
+%     \setuphead [subsubsection][style=\mainfacemedium\bf]
+%
+% }
+
+\writestatus{luatex manual}{we assume that dejavu math is available}
+
+\setupbodyfont % assumes dejavu-math
+  [dejavu,10pt]
+
+\setuphead [chapter]      [align={flushleft,broad},style=\bfd]
+\setuphead [section]      [align={flushleft,broad},style=\bfb]
+\setuphead [subsection]   [align={flushleft,broad},style=\bfa]
+\setuphead [subsubsection][align={flushleft,broad},style=\bf]
+
+\setuphead [chapter]      [color=maincolor]
+\setuphead [section]      [color=maincolor]
+\setuphead [subsection]   [color=maincolor]
+\setuphead [subsubsection][color=maincolor]
+
+\definehead
+  [remark]
+  [subsubsubject]
+
+\setupheadertexts
+  []
+
+\definemixedcolumns
+  [twocolumns]
+  [n=2,
+   balance=yes,
+   before=\blank,
+   after=\blank]
+
+\definemixedcolumns
+  [threecolumns]
+  [twocolumns]
+  [n=3]
+
+\definemixedcolumns
+  [fourcolumns]
+  [threecolumns]
+  [n=4]
+
+% if we do this we also need to do it in table cells
+%
+% \setuptyping
+%   [color=maincolor]
+%
+% \setuptype
+%   [color=maincolor]
+
+\definetyping
+  [functioncall]
+
+\startMPdefinitions
+
+    color   luaplanetcolor ; luaplanetcolor := \MPcolor{maincolor} ;
+    color   luaholecolor   ; luaholecolor   := white ;
+    numeric luaextraangle  ; luaextraangle  := 0 ;
+    numeric luaorbitfactor ; luaorbitfactor := .25 ;
+
+    vardef lualogo = image (
+
+        % Graphic design by A. Nakonechnyj. Copyright (c) 1998, All rights reserved.
+
+        save d, r, p ; numeric d, r, p ;
+
+        d := sqrt(2)/4 ; r := 1/4 ; p := r/8 ;
+
+        fill fullcircle scaled 1
+            withcolor luaplanetcolor ;
+        draw fullcircle rotated 40.5 scaled (1+r)
+            dashed evenly scaled p
+            withpen pencircle scaled (p/2)
+            withcolor (luaorbitfactor * luaholecolor) ;
+        fill fullcircle scaled r shifted (d+1/8,d+1/8)
+            rotated luaextraangle
+            withcolor luaplanetcolor ;
+        fill fullcircle scaled r shifted (d-1/8,d-1/8)
+            withcolor luaholecolor   ;
+        luaorbitfactor := .25 ;
+    )  enddef ;
+
+\stopMPdefinitions
+
+\startuseMPgraphic{luapage}
+    StartPage ;
+
+        fill Page withcolor \MPcolor{othercolor} ;
+
+        luaorbitfactor := 1 ;
+        picture p ; p := lualogo xsized (3PaperWidth/5) ;
+        draw p shifted center Page shifted (0,-.5ypart center ulcorner p) ;
+
+    StopPage ;
+\stopuseMPgraphic
+
+\starttexdefinition luaextraangle
+    % we can also just access the last page and so in mp directly
+    \ctxlua {
+        context(\lastpage == 0 and 0 or \realfolio*360/\lastpage)
+    }
+\stoptexdefinition
+
+\startuseMPgraphic{luanumber}
+    luaextraangle  := \luaextraangle;
+    luaorbitfactor := 0.25 ;
+    picture p ; p := lualogo ;
+    setbounds p to boundingbox fullcircle ;
+    draw p ysized 1cm ;
+\stopuseMPgraphic
+
+\definelayer
+  [page]
+  [width=\paperwidth,
+   height=\paperheight]
+
+\setupbackgrounds
+  [leftpage]
+  [background=page]
+
+\setupbackgrounds
+  [rightpage]
+  [background=page]
+
+\startsetups pagenumber:right
+  \setlayerframed
+    [page]
+    [preset=rightbottom,offset=1cm]
+    [frame=off,height=1cm,offset=overlay]
+    {\useMPgraphic{luanumber}}
+  \setlayerframed
+    [page]
+    [preset=rightbottom,offset=1cm,x=1.5cm]
+    [frame=off,height=1cm,width=1cm,offset=overlay]
+    {\pagenumber}
+  \setlayerframed
+    [page]
+    [preset=rightbottom,offset=1cm,x=2.5cm]
+    [frame=off,height=1cm,offset=overlay]
+    {\getmarking[chapter]}
+\stopsetups
+
+\startsetups pagenumber:left
+  \setlayerframed
+    [page]
+    [preset=leftbottom,offset=1cm,x=2.5cm]
+    [frame=off,height=1cm,offset=overlay]
+    {\getmarking[chapter]}
+  \setlayerframed
+    [page]
+    [preset=leftbottom,offset=1cm,x=1.5cm]
+    [frame=off,height=1cm,width=1cm,offset=overlay]
+    {\pagenumber}
+  \setlayerframed
+    [page]
+    [preset=leftbottom,offset=1cm]
+    [frame=off,height=1cm,offset=overlay]
+    {\useMPgraphic{luanumber}}
+\stopsetups
+
+\unexpanded\def\nonterminal#1>{\mathematics{\langle\hbox{\rm #1}\rangle}}
+
+% taco's brainwave -)
+
+\newcatcodetable\syntaxcodetable
+
+\unexpanded\def\makesyntaxcodetable
+  {\begingroup
+   \catcode`\<=13 \catcode`\|=12
+   \catcode`\!= 0 \catcode`\\=12
+   \savecatcodetable\syntaxcodetable
+   \endgroup}
+
+\makesyntaxcodetable
+
+\unexpanded\def\startsyntax {\begingroup\catcodetable\syntaxcodetable  \dostartsyntax}
+\unexpanded\def\syntax      {\begingroup\catcodetable\syntaxcodetable  \dosyntax}
+           \let\stopsyntax   \relax
+
+\unexpanded\def\syntaxenvbody#1%
+  {\par
+   \tt
+   \startnarrower
+   \maincolor #1
+   \stopnarrower
+   \par}
+
+\unexpanded\def\syntaxbody#1%
+  {\begingroup
+   \maincolor \tt #1%
+   \endgroup}
+
+\bgroup \catcodetable\syntaxcodetable
+
+!gdef!dostartsyntax#1\stopsyntax{!let<!nonterminal!syntaxenvbody{#1}!endgroup}
+!gdef!dosyntax     #1{!let<!nonterminal!syntaxbody{#1}!endgroup}
+
+!egroup
+
+% end of wave
+
+\setupinteraction
+  [state=start,
+   focus=standard,
+   style=,
+   color=,
+   contrastcolor=]
+
+\placebookmarks
+  [chapter,section,subsection]
+
+\setuplist
+  [chapter,section,subsection,subsubsection]
+  [interaction=all,
+   width=3em]
+
+\setuplist
+  [chapter]
+  [style=bold,
+   color=keptcolor]
+
+\setuplist
+  [subsection,subsubsection]
+  [margin=3em,
+   width=5em]
+
+% Hans doesn't like the bookmarks opening by default so we comment this:
+%
+% \setupinteractionscreen
+%   [option=bookmark]
+
+\stopenvironment
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/luatex/luatex-titlepage.tex b/Master/texmf-dist/doc/context/sources/general/manuals/luatex/luatex-titlepage.tex
new file mode 100644
index 00000000000..8ab56f85dd2
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/luatex/luatex-titlepage.tex
@@ -0,0 +1,70 @@
+\environment luatex-style
+\environment luatex-logos
+
+\startcomponent luatex-titlepage
+
+\startstandardmakeup
+
+    \switchtobodyfont
+      [mainfacemedium]
+
+    \definedfont[Bold*default at \the\dimexpr.08\paperheight\relax] \setupinterlinespace
+
+    \setlayer
+      [page]
+      {\useMPgraphic{luapage}}
+
+    \setlayerframed
+      [page]
+      [preset=middletop,
+       voffset=.05\paperheight]
+      [align=middle,
+       foregroundcolor=blue,
+       frame=off]
+      {Lua\TeX\\Reference}
+
+    \definedfont[Bold*default at 18pt] \setupinterlinespace
+
+    \setlayerframed
+      [page]
+      [preset=rightbottom,
+       offset=.01\paperheight]
+      [align=flushright,
+       foregroundcolor=blue,
+       frame=off]
+      {\doifsomething{\documentvariable{status}}{\documentvariable{status}\par}
+       \currentdate[month,space,year]\par
+       Version \documentvariable{version}}
+
+\stopstandardmakeup
+
+\startstandardmakeup
+
+    \start
+        \raggedleft
+        \definedfont[Bold*default at 48pt]
+        \setupinterlinespace
+        \blue Lua\TeX \endgraf Reference \endgraf Manual \endgraf
+    \stop
+
+    \vfill
+
+    \definedfont[Bold*default at 12pt]
+
+    \starttabulate[|l|l|]
+        \NC copyright \EQ Lua\TeX\ development team \NC \NR
+        \NC more info \EQ www.luatex.org \NC \NR
+        \NC version   \EQ \currentdate \doifsomething{\documentvariable{snapshot}}{(snapshot \documentvariable{snapshot})} \NC \NR
+    \stoptabulate
+
+\stopstandardmakeup
+
+\setupbackgrounds
+  [leftpage]
+  [setups=pagenumber:left]
+
+\setupbackgrounds
+  [rightpage]
+  [setups=pagenumber:right]
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/luatex/luatex.tex b/Master/texmf-dist/doc/context/sources/general/manuals/luatex/luatex.tex
new file mode 100644
index 00000000000..a9524246b9c
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/luatex/luatex.tex
@@ -0,0 +1,37 @@
+% macros=mkvi
+
+% \tex vs \type vs \syntax vs. \luatex
+% \em \it \/
+
+\environment luatex-style
+\environment luatex-logos
+
+\dontcomplain
+
+\startdocument
+  [version=0.95.0,
+   status=Pre-release]
+
+\component luatex-titlepage
+
+\startfrontmatter
+    \component luatex-contents
+    \component luatex-introduction
+\stopfrontmatter
+
+\startbodymatter
+    \component luatex-enhancements
+    \component luatex-modifications
+    \component luatex-lua
+    \component luatex-languages
+    \component luatex-fonts
+    \component luatex-math
+    \component luatex-nodes
+    \component luatex-callbacks
+    \component luatex-tex
+    \component luatex-graphics
+    \component luatex-fontloader
+    \component luatex-backend
+\stopbodymatter
+
+\stopdocument
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/spacing/spacing-contents.tex b/Master/texmf-dist/doc/context/sources/general/manuals/spacing/spacing-contents.tex
new file mode 100644
index 00000000000..d7c709e2ec8
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/spacing/spacing-contents.tex
@@ -0,0 +1,9 @@
+\startcomponent spacing-contents
+
+\starttitle[title=Contents]
+
+\placelist[chapter,section]
+
+\stoptitle
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/spacing/spacing-introduction.tex b/Master/texmf-dist/doc/context/sources/general/manuals/spacing/spacing-introduction.tex
new file mode 100644
index 00000000000..d4d385c5e72
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/spacing/spacing-introduction.tex
@@ -0,0 +1,19 @@
+\environment spacing-style
+
+\startcomponent spacing-introduction
+
+\startchapter[title=Introduction]
+
+    In this document I will collext some remarks about spacing (related) commands
+    but it will happen stepwise. Feel free to contribute.
+
+    \blank
+
+    \startlines
+    Hans Hagen
+    Hasselt NL
+    \stoplines
+
+\stopchapter
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/spacing/spacing-linecorrection.tex b/Master/texmf-dist/doc/context/sources/general/manuals/spacing/spacing-linecorrection.tex
new file mode 100644
index 00000000000..c16afbf0a69
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/spacing/spacing-linecorrection.tex
@@ -0,0 +1,108 @@
+% language=uk
+
+\environment spacing-style
+
+\startcomponent spacing-linecorrection
+
+\startchapter[title=Line correction]
+
+\startbuffer[linecorrection]
+\typebuffer
+\blank
+\enabletrackers[linecorrection.boxes]
+\getbuffer
+\disabletrackers[linecorrection.boxes]
+\blank
+\stopbuffer
+
+We really do out best to make the spacing look as good as possible
+(or at least consistent) but sometimes \TEX\ needs a bit of help.
+An example of a helper is the following:
+
+\startbuffer
+\startlinecorrection
+    \input ward
+\stoplinecorrection
+\stopbuffer
+
+\getbuffer[linecorrection]
+
+When we use the same command with some left and/or right margins set, we get
+this:
+
+\startbuffer
+\startnarrower
+    \startlinecorrection
+        \input ward
+    \stoplinecorrection
+\stopnarrower
+\stopbuffer
+
+\getbuffer[linecorrection]
+
+Here we do obey the margins inside the correction box but the box itself is still
+as wide as the current width. A typical case where this happens is:
+
+\startbuffer
+\startitemize
+    \startitem an item:
+        \startlinecorrection
+            \input ward
+        \stoplinecorrection
+    \stopitem
+\stopitemize
+\stopbuffer
+
+\getbuffer[linecorrection]
+
+Here is a variant:
+
+\startbuffer
+\startitemize
+    \startitem a local linecorrection:
+        \startlocallinecorrection
+            \input ward
+        \stoplocallinecorrection
+    \stopitem
+\stopitemize
+\stopbuffer
+
+\getbuffer[linecorrection]
+
+Both types of correction wrap their content in a box and make sure that the
+spacing around it is visually as good as possible. The local variant uses a box
+fitting the available width taking margins into account and but resetting them
+inside the box. The normal variant applies the margins inside the box. Which one
+you use depends on the situation and content.
+
+You can pass an optional argument that indicates the amount of spacing to be
+added before and after the correction.
+
+\startbuffer
+\startlinecorrection[3*line]
+    \input ward
+\stoplinecorrection
+\stopbuffer
+
+\getbuffer[linecorrection]
+
+Normally you don't need this correction. It is mainly used for correcting spacing
+around boxed material, like \type {\framed}:
+
+\startbuffer
+before
+\startlinecorrection
+    \framed{something inbetween}
+\stoplinecorrection
+after
+\stopbuffer
+
+\getbuffer[linecorrection]
+
+Because in this document we have set the whitespace this also gets added around
+the box. So, in case your spacing around some special content looks bad, consider
+using these commands.
+
+\stopchapter
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/spacing/spacing-mkiv.tex b/Master/texmf-dist/doc/context/sources/general/manuals/spacing/spacing-mkiv.tex
new file mode 100644
index 00000000000..4261a388416
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/spacing/spacing-mkiv.tex
@@ -0,0 +1,16 @@
+\environment spacing-style
+
+\startdocument
+
+    \component spacing-titlepage
+
+    \startfrontmatter
+        \component spacing-contents
+        \component spacing-introduction
+    \stopfrontmatter
+
+    \startbodymatter
+        \component spacing-linecorrection
+    \stopbodymatter
+
+\stopdocument
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/spacing/spacing-style.tex b/Master/texmf-dist/doc/context/sources/general/manuals/spacing/spacing-style.tex
new file mode 100644
index 00000000000..cf0bae7bf9a
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/spacing/spacing-style.tex
@@ -0,0 +1,55 @@
+\startenvironment spacing-style
+
+\setupbodyfont
+  [pagella]
+
+\setuplayout
+  [width=middle,
+   height=middle,
+   topspace=15mm,
+   header=15mm,
+   footer=0pt,
+   bottomspace=20mm]
+
+\setuppagenumbering
+  [alternative=doublesided]
+
+\setupwhitespace
+  [big]
+
+\definecolor
+  [blackcolor]
+  [r=0,b=0,g=0]
+
+\definecolor
+  [whitecolor]
+  [r=1,b=1,g=1]
+
+\definecolor
+  [maincolor]
+  [.25(blackcolor,green)]
+
+\definecolor
+  [extracolor]
+  [.25(whitecolor,green)]
+
+% \blackrule[color=maincolor,width=10cm,,height=10cm]
+% \blackrule[color=extracolor,width=10cm,,height=10cm]
+
+\setuptyping
+  [color=maincolor]
+
+\setuptype
+  [color=maincolor]
+
+\setuphead
+  [chapter]
+  [style=\bfd,
+   color=maincolor]
+
+\setuphead
+  [section]
+  [style=\bfc,
+   color=maincolor]
+
+\stopenvironment
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/spacing/spacing-titlepage.tex b/Master/texmf-dist/doc/context/sources/general/manuals/spacing/spacing-titlepage.tex
new file mode 100644
index 00000000000..1f21d769a8d
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/spacing/spacing-titlepage.tex
@@ -0,0 +1,37 @@
+\environment spacing-style
+
+\startcomponent spacing-titlepage
+
+% This titlepage demonstrates once again how well designed the computer modern monospaced
+% font is, especially when we look at the consistent grayness.
+
+\startMPpage
+
+    fill Page enlarged 4mm withcolor \MPcolor{maincolor} ;
+
+    draw image (
+        for i=1 upto 20 :
+            draw bottomboundary Page shifted (0,100*log(i)) ;
+        endfor ;
+    )
+        xysized (PaperWidth-6mm,PaperHeight-6mm)
+        shifted (3mm,3mm)
+        withcolor \MPcolor{extracolor}
+        withpen pencircle scaled 1mm ;
+
+    numeric a ; a := log(1)*PaperHeight/(log(20)) ;
+    numeric b ; b := log(2)*PaperHeight/(log(20)) ;
+
+    picture p ; p := textext.lrt("\ttbf Spacing in Con\TeX t") xsized(.9PaperWidth) ;
+
+    draw p
+        shifted (.05PaperWidth,(b+a)/2 - ypart center p)
+        withcolor \MPcolor{extracolor} ;
+
+    setbounds currentpicture to Page ;
+
+\stopMPpage
+
+\page[right] \setuppagenumber[number=1]
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/sql/sql-mkiv.tex b/Master/texmf-dist/doc/context/sources/general/manuals/sql/sql-mkiv.tex
new file mode 100644
index 00000000000..520532e0bee
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/sql/sql-mkiv.tex
@@ -0,0 +1,482 @@
+% language=uk
+
+% author  : Hans Hagen, PRAGMA ADE, NL
+% license : Creative Commons, Attribution-NonCommercial-ShareAlike 3.0 Unported
+
+\usemodule[art-01,abr-02]
+
+\definecolor
+  [maincolor]
+  [r=.4]
+
+\setupbodyfont
+  [10pt]
+
+\setuptype
+  [color=maincolor]
+
+\setuptyping
+  [color=maincolor]
+
+\definefont
+  [TitlePageFont]
+  [file:lmmonolt10-bold.otf]
+
+\setuphead
+  [color=maincolor]
+
+\usesymbols
+  [cc]
+
+\setupinteraction
+  [hidden]
+
+\startdocument
+  [metadata:author=Hans Hagen,
+   metadata:title=SQL in ConTeXt,
+   author=Hans Hagen,
+   affiliation=PRAGMA ADE,
+   location=Hasselt NL,
+   title=SQL in \CONTEXT,
+   support=www.contextgarden.net,
+   website=www.pragma-ade.nl]
+
+\startMPpage
+
+    StartPage ;
+
+    numeric w ; w := bbwidth(Page) ;
+    numeric h ; h := bbheight(Page) ;
+
+    fill Page withcolor \MPcolor{maincolor} ;
+
+    draw textext.urt("\TitlePageFont Q")       xysized (1.1   w,0.9 h) shifted (-.05w,.05h) withcolor .20white ;
+    draw textext.top("\TitlePageFont SQL")     xysized (0.4725w,0.13h) shifted (.675w,.24w) withcolor .60white ;
+    draw textext.top("\TitlePageFont CONTEXT") xsized  (0.6   w)       shifted (.675w,.10w) withcolor .60white ;
+
+    StopPage ;
+
+\stopMPpage
+
+\startsubject[title=Contents]
+
+\placelist[section][alternative=a]
+
+\stopsubject
+
+\startsection[title=Introduction]
+
+Although \CONTEXT\ is a likely candidate for typesetting content that comes from
+databases it was only in 2011 that I ran into a project where a connection was
+needed. After all, much document related typesetting happens on files or
+dedicated storage systems.
+
+Because we run most projects in an infrastructure suitable for \TEX, it made
+sense to add some helper scripts to the \CONTEXT\ core distribution that deal
+with getting data from (in our case) \MYSQL\ databases. That way we can use the
+already stable infrastructure for installing and updating files that comes with
+\CONTEXT.
+
+As \LUA\ support is nicely integrated in \CONTEXT, and as dealing with
+information from databases involves some kind of programming anyway, there is (at
+least currently) no \TEX\ interface. The examples shown here work in \CONTEXT,
+but you need to keep in mind that \LUA\ scripts can also use this interface.
+
+{\em Although this code is under construction the interfaces are unlikely to
+change, if only because we use it on production.}
+
+\stopsection
+
+\startsection[title=Presets]
+
+In order to consult a database you need to provide credentials. You also need
+to reach the database server, either by using some client program or via a
+library. More about that later.
+
+Because we don't want to key in all that information again and again, we will
+collect it in a table. This also permits us to store it in a file and load it
+on demand. For instance:
+
+\starttyping
+local presets = {
+    database = "test",
+    username = "root",
+    password = "none",
+    host     = "localhost",
+    port     = 3306,
+}
+\stoptyping
+
+You can put a table in a file \type {presets.lua} like this:
+
+\starttyping
+return {
+    database = "test",
+    username = "root",
+    password = "none",
+    host     = "localhost",
+    port     = 3306,
+}
+\stoptyping
+
+and then load it as follows:
+
+\starttyping
+local presets = table.load("presets.lua")
+\stoptyping
+
+If you really want, you can use some library to open a connection, execute a
+query, collect results and close the connection, but here we use just one
+function that does it all. The presets are used to access the database and the
+same presets will be used more often it makes sense to keep a connection open as
+long as possible. That way you can execute much more queries per second,
+something that makes sense when there are many small ones, as in web related
+services. A connection is made persistent when the presets have an \type {id}
+key, like
+
+\starttyping
+presets.id = "myproject"
+\stoptyping
+
+\stopsection
+
+\startsection[title=Templates]
+
+A query often looks like this:
+
+\starttyping
+SELECT
+    `artist`, `title`
+FROM
+    `cd`
+WHERE
+    `artist` = 'archive' ;
+\stoptyping
+
+However, often you want to use the same query for multiple lookups, in which case
+you can do this:
+
+\starttyping
+SELECT
+    `artist`, `title`
+FROM
+    `cd`
+WHERE
+    `artist` = '%artist%' ;
+\stoptyping
+
+In the next section we will see how \type {%artist%} can be replaced by a more
+meaningful value. You can a percent sign by entering two in a row: \type {%%}.
+
+As with any programming language that deals with strings natively, you need a
+way to escape the characters that fence the string. In \SQL\ a field name is
+fenced by \type {``} and a string by \type {''}. Field names can often be
+used without \type {``} but you can better play safe.
+
+\starttyping
+`artist` = 'Chilly Gonzales'
+\stoptyping
+
+Escaping of the \type {'} is simple:
+
+\starttyping
+`artist` = 'Jasper van''t Hof'
+\stoptyping
+
+When you use templates you often pass a string as variable and you don't want to
+be bothered with escaping them. In the previous example we used:
+
+\starttyping
+`artist` = '%artist%'
+\stoptyping
+
+When you expect embedded quotes you can use this:
+
+\starttyping
+`artist` = '%[artist]%'
+\stoptyping
+
+In this case the variable {artist} will be escaped. When we reuse a template we
+store it in a variable:
+
+\starttyping
+local template = [[
+    SELECT
+        `artist`, `title`
+    FROM
+        `cd`
+    WHERE
+        `artist` = '%artist%' ;
+]]
+\stoptyping
+
+\stopsection
+
+\startsection[title=Queries]
+
+In order to execute a query you need to pass the previously discussed presets
+as well as the query itself.
+
+\starttyping
+local data, keys = utilities.sql.execute {
+    presets   = presets,
+    template  = template,
+    variables = {
+        artist = "Dream Theater",
+    },
+}
+\stoptyping
+
+The variables in the presets table can also be passed at the outer
+level. In fact there are three levels of inheritance: settings, presets
+and module defaults.
+
+\starttabulate
+\NC presets        \NC a table with values \NC \NR
+\NC template       \NC a query string \NC \NR
+\NC templatefile   \NC a file containing a template \NC \NR
+\NC \em resultfile \NC a (temporary) file to store the result \NC \NR
+\NC \em queryfile  \NC a (temporary) file to store a query \NC \NR
+\NC variables      \NC variables that are subsituted in the template \NC \NR
+\NC username       \NC used to connect to the database \NC \NR
+\NC password       \NC used to connect to the database \NC \NR
+\NC host           \NC the \quote {machine} where the database server runs on \NC \NR
+\NC port           \NC the port where the database server listens to \NC \NR
+\NC database       \NC the name of the database \NC \NR
+\stoptabulate
+
+The \type {resultfile} and \type {queryfile} parameters are used when a client
+approach is used. When a library is used all happens in memory.
+
+When the query succeeds two tables are returned: \type {data} and \type {keys}. The
+first is an indexed table where each entry is a hash. So, if we have only one
+match and that match has only one field, you get something like this:
+
+\starttyping
+data = {
+    {
+        key = "value"
+    }
+}
+
+keys = {
+    "key"
+}
+\stoptyping
+
+\stopsection
+
+\startsection[title=Converters]
+
+All values in the result are strings. Of course we could have provided some
+automatic type conversion but there are more basetypes in \MYSQL\ and some are
+not even standard \SQL. Instead the module provides a converter mechanism
+
+\starttyping
+local converter = utilities.sql.makeconverter {
+    { name = "id",      type = "number" },
+    { name = "name",    type = "string" },
+    { name = "enabled", type = "boolean" },
+}
+\stoptyping
+
+You can pass the converter to the execute function:
+
+\starttyping
+local data, keys = utilities.sql.execute {
+    presets   = presets,
+    template  = template,
+    converter = converter,
+    variables = {
+        name = "Hans Hagen",
+    },
+}
+\stoptyping
+
+In addition to numbers, strings and booleans you can also use a function
+or table:
+
+\starttyping
+local remap = {
+    ["1"] = "info"
+    ["2"] = "warning"
+    ["3"] = "debug"
+    ["4"] = "error"
+}
+
+local converter = utilities.sql.makeconverter {
+    { name = "id",     type = "number" },
+    { name = "status", type = remap },
+}
+\stoptyping
+
+I use this module for managing \CONTEXT\ jobs in web services. In that case we
+need to store jobtickets and they have some common properties. The definition of
+the table looks as follows: \footnote {The tickets manager is part of the
+\CONTEXT\ distribution.}
+
+\starttyping
+CREATE TABLE IF NOT EXISTS %basename% (
+    `id`        int(11)     NOT NULL AUTO_INCREMENT,
+    `token`     varchar(50) NOT NULL,
+    `subtoken`  INT(11)     NOT NULL,
+    `created`   int(11)     NOT NULL,
+    `accessed`  int(11)     NOT NULL,
+    `category`  int(11)     NOT NULL,
+    `status`    int(11)     NOT NULL,
+    `usertoken` varchar(50) NOT NULL,
+    `data`      longtext    NOT NULL,
+    `comment`   longtext    NOT NULL,
+
+    PRIMARY KEY                     (`id`),
+    UNIQUE INDEX `id_unique_index`  (`id` ASC),
+    KEY          `token_unique_key` (`token`)
+)
+DEFAULT CHARSET = utf8 ;
+\stoptyping
+
+We can register a ticket from (for instance) a web service and use an independent
+watchdog to consult the database for tickets that need to be processed. When the
+job is finished we register this in the database and the web service can poll for
+the status.
+
+It's easy to imagine more fields, for instance the way \CONTEXT\ is called, what
+files to use, what results to expect, what extra data to pass, like style
+directives, etc. Instead of putting that kind of information in fields we store
+them in a \LUA\ table, serialize that table, and put that in the data field.
+
+The other way around is that we take this data field and convert it back to \LUA.
+For this you can use a helper:
+
+\starttyping
+local results = utilities.sql.execute { ... }
+
+for i=1,#results do
+    local result = results[i]
+    result.data = utilities.sql.deserialize(result.data)
+end
+\stoptyping
+
+Much more efficient is to use a converter:
+
+\starttyping
+local converter = utilities.sql.makeconverter {
+    ...
+    { name = "data", type = "deserialize" },
+    ...
+}
+\stoptyping
+
+This way you don't need to loop over the result and deserialize each data
+field which not only takes less runtime (often neglectable) but also takes
+less (intermediate) memory. Of course in some cases it can make sense to
+postpone the deserialization.
+
+A variant is not to store a serialized data table, but to store a key|-|value
+list, like:
+
+\starttyping
+data = [[key_1="value_1" key_2="value_2"]]
+\stoptyping
+
+Such data fields can be converted with:
+
+\starttyping
+local converter = utilities.sql.makeconverter {
+    ...
+    { name = "data", type = utilities.parsers.keq_to_hash },
+    ...
+}
+\stoptyping
+
+You can imagine more converters like this, and if needed you can use them to
+preprocess data as well.
+
+\starttabulate[|Tl|p|]
+\NC "boolean"     \NC This converts a string into the value \type {true} or \type {false}.
+                      Valid values for \type {true} are: \type {1}, \type {true}, \type
+                      {yes}, \type {on} and \type {t} \NC \NR
+\NC "number"      \NC This one does a straightforward \type {tonumber} on the value. \NC \NR
+\NC function      \NC The given function is applied to value. \NC \NR
+\NC table         \NC The value is resolved via the given table. \NC \NR
+\NC "deserialize" \NC The value is deserialized into \LUA\ code. \NC \NR
+\NC "key"         \NC The value is used as key which makes the result table is now hashed
+                      instead of indexed. \NC \NR
+\NC "entry"       \NC An entry is added with the given name and optionally with a default
+                      value. \NC \NR
+\stoptabulate
+
+\stopsection
+
+\startsection[title=Typesetting]
+
+For good reason a \CONTEXT\ job often involves multiple passes. Although the
+database related code is quite efficient it can be considered a waste of time
+and bandwidth to fetch the data several times. For this reason there is
+another function:
+
+\starttyping
+local data, keys = utilities.sql.prepare {
+    tag = "table-1",
+    ...
+}
+
+-- do something useful with the result
+
+local data, keys = utilities.sql.prepare {
+    tag = "table-2",
+    ...
+}
+
+-- do something useful with the result
+\stoptyping
+
+The \type {prepare} alternative stores the result in a file and reuses
+it in successive runs.
+
+\stopsection
+
+\startsection[title=Methods]
+
+Currently we have several methods for accessing a database:
+
+\starttabulate
+\NC client  \NC use the command line tool, pass arguments and use files \NC \NR
+\NC library \NC use the standard library (somewhat tricky in \LUATEX\ as we need to work around bugs) \NC \NR
+\NC lmxsql  \NC use the library with a \LUA\ based pseudo client (stay in the \LUA\ domain) \NC \NR
+\NC swiglib \NC use the (still experimental) library that comes with \LUATEX \NC \NR
+\stoptabulate
+
+All methods use the same interface (\type {execute}) and hide the dirty details
+for the user. All return the data and keys tables and all take care of the proper
+escaping and parsing.
+
+\stopsection
+
+\startsection[title=Helpers]
+
+There are some helper functions and extra modules that will be described when
+they are stable.
+
+There is an \quote {extra} option to the \type {context} command that can be used
+to produce an overview of a database. You can get more information about this
+with the command:
+
+\starttyping
+context --extra=sql-tables --help
+\stoptyping
+
+\stopsection
+
+\startsection[title=Colofon]
+
+\starttabulate[|B|p|]
+\NC author    \NC \getvariable{document}{author}, \getvariable{document}{affiliation}, \getvariable{document}{location} \NC \NR
+\NC version   \NC \currentdate \NC \NR
+\NC website   \NC \getvariable{document}{website} \endash\ \getvariable{document}{support} \NC \NR
+\NC copyright \NC \symbol[cc][cc-by-sa-nc] \NC \NR
+\stoptabulate
+
+\stopsection
+
+\stopdocument
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/cont-en-extra.xml b/Master/texmf-dist/doc/context/sources/general/manuals/start/cont-en-extra.xml
new file mode 100644
index 00000000000..4d41391d0a0
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/cont-en-extra.xml
@@ -0,0 +1,749 @@
+<?xml version="1.0"?>
+
+<cd:interface xmlns:cd="http://www.pragma-ade.com/commands" name="context" language="en" version="2004.11.17">
+
+<!--
+Todo:
+
+  -- bycd:section (\setuppagenumbering)
+  -- cd:sectionnumber (\setuppagenumbering)
+-->
+
+<cd:command name="textbackground" type="environment">
+  <cd:sequence>
+    <cd:string value="textbackground"/>
+  </cd:sequence>
+</cd:command>
+
+<cd:command name="textbackground">
+  <cd:sequence>
+    <cd:string value="textbackground"/>
+  </cd:sequence>
+</cd:command>
+
+<cd:command name="setuptextbackground" file="core-pgr.tex">
+  <cd:sequence>
+    <cd:string value="setuptextbackground"/>
+  </cd:sequence>
+  <cd:arguments>
+    <cd:assignments list="yes">
+      <cd:parameter name="leftoffset" default="0pt">
+        <cd:constant type="cd:dimension"/>
+      </cd:parameter>
+      <cd:parameter name="rightoffset" default="0pt">
+        <cd:constant type="cd:dimension"/>
+      </cd:parameter>
+      <cd:parameter name="topoffset" default="0pt">
+        <cd:constant type="cd:dimension"/>
+      </cd:parameter>
+      <cd:parameter name="bottomoffset" default="0pt">
+        <cd:constant type="cd:dimension"/>
+      </cd:parameter>
+      <cd:parameter name="before">
+        <cd:constant type="cd:command"/>
+      </cd:parameter>
+      <cd:parameter name="after">
+        <cd:constant type="cd:command"/>
+      </cd:parameter>
+      <cd:parameter name="state">
+        <cd:constant type="start" default="yes"/>
+        <cd:constant type="stop"/>
+      </cd:parameter>
+      <cd:parameter name="location">
+        <cd:constant type="text" default="yes"/>
+        <cd:constant type="paragraph"/>
+        <cd:constant type="none"/>
+      </cd:parameter>
+      <cd:parameter name="alternative">
+        <cd:constant type="0" default="yes"/>
+        <cd:constant type="1"/>
+        <cd:constant type="2"/>
+      </cd:parameter>
+      <cd:inherit name="setupframed"/>
+    </cd:assignments>
+  </cd:arguments>
+</cd:command>
+
+<cd:command name="defineinteractionmenu" variant="1" file="core-int.tex">
+  <cd:sequence>
+    <cd:string value="defineinteractionmenu"/>
+  </cd:sequence>
+  <cd:arguments>
+    <cd:keywords interactive="exclusive">
+      <cd:constant type="cd:name"/>
+    </cd:keywords>
+    <cd:keywords interactive="exclusive" list="yes">
+      <cd:constant type="left"/>
+      <cd:constant type="right"/>
+      <cd:constant type="top"/>
+      <cd:constant type="bottom"/>
+      <cd:constant type="cd:name"/>
+    </cd:keywords>
+    <cd:assignments optional="yes" list="yes">
+      <cd:parameter name="before">
+        <cd:constant type="cd:command"/>
+      </cd:parameter>
+      <cd:parameter name="after">
+        <cd:constant type="cd:command"/>
+      </cd:parameter>
+      <cd:parameter name="inbetween">
+        <cd:constant type="cd:command"/>
+      </cd:parameter>
+      <cd:parameter name="left">
+        <cd:constant type="cd:command"/>
+      </cd:parameter>
+      <cd:parameter name="right">
+        <cd:constant type="cd:command"/>
+      </cd:parameter>
+      <cd:parameter name="middle">
+        <cd:constant type="cd:command"/>
+      </cd:parameter>
+      <cd:parameter name="state">
+        <cd:constant type="start"/>
+        <cd:constant type="stop"/>
+        <cd:constant type="none"/>
+        <cd:constant type="local"/>
+      </cd:parameter>
+      <cd:parameter name="style">
+        <cd:resolve name="style"/>
+      </cd:parameter>
+      <cd:parameter name="color">
+        <cd:constant type="cd:name"/>
+      </cd:parameter>
+      <cd:parameter name="distance">
+        <cd:constant type="overlay"/>
+        <cd:constant type="cd:dimension"/>
+      </cd:parameter>
+      <cd:parameter name="samepage">
+        <cd:constant type="yes"/>
+        <cd:constant type="empty"/>
+        <cd:constant type="no"/>
+        <cd:constant type="none"/>
+      </cd:parameter>
+      <cd:parameter name="unknownreference">
+        <cd:constant type="yes"/>
+        <cd:constant type="empty"/>
+        <cd:constant type="no"/>
+        <cd:constant type="none"/>
+      </cd:parameter>
+      <cd:parameter name="leftoffset">
+        <cd:constant type="cd:dimension"/>
+      </cd:parameter>
+      <cd:parameter name="rightoffset">
+        <cd:constant type="cd:dimension"/>
+      </cd:parameter>
+      <cd:parameter name="topoffset">
+        <cd:constant type="cd:dimension"/>
+      </cd:parameter>
+      <cd:parameter name="bottomoffset">
+        <cd:constant type="cd:dimension"/>
+      </cd:parameter>
+      <cd:parameter name="position">
+        <cd:constant type="yes"/>
+        <cd:constant type="no"/>
+      </cd:parameter>
+      <cd:inherit name="setupframed"/>
+    </cd:assignments>
+  </cd:arguments>
+</cd:command>
+
+<cd:command name="setupframed" file="core-rul.tex">
+  <!-- new: rulethickness -->
+  <cd:sequence>
+    <cd:string value="setupframed"/>
+  </cd:sequence>
+  <cd:arguments>
+    <cd:assignments list="yes">
+      <cd:parameter name="height">
+        <cd:constant type="fit"/>
+        <cd:constant type="broad"/>
+        <cd:constant type="cd:dimension"/>
+      </cd:parameter>
+      <cd:parameter name="width">
+        <cd:constant type="fit"/>
+        <cd:constant type="broad"/>
+        <cd:constant type="fixed"/>
+        <cd:constant type="local"/>
+        <cd:constant type="cd:dimension"/>
+      </cd:parameter>
+      <cd:parameter name="autowidth">
+        <cd:constant type="yes"/>
+        <cd:constant type="no"/>
+        <cd:constant type="force"/>
+      </cd:parameter>
+      <cd:parameter name="offset">
+        <cd:constant type="none"/>
+        <cd:constant type="overlay"/>
+        <cd:constant type="default"/>
+        <cd:constant type="cd:dimension"/>
+      </cd:parameter>
+      <cd:parameter name="location">
+        <cd:constant type="depth"/>
+        <cd:constant type="hanging"/>
+        <cd:constant type="high"/>
+        <cd:constant type="lohi"/>
+        <cd:constant type="low"/>
+        <cd:constant type="top"/>
+        <cd:constant type="middle"/>
+        <cd:constant type="bottom"/>
+        <cd:constant type="keep"/>
+      </cd:parameter>
+      <cd:parameter name="option">
+        <cd:constant type="none"/>
+        <cd:constant type="empty"/>
+      </cd:parameter>
+      <cd:parameter name="strut">
+        <cd:constant type="yes"/>
+        <cd:constant type="no"/>
+        <cd:constant type="global"/>
+        <cd:constant type="local"/>
+      </cd:parameter>
+      <cd:parameter name="align">
+        <cd:resolve name="align"/>
+      </cd:parameter>
+      <cd:parameter name="bottom">
+        <cd:constant type="cd:command"/>
+      </cd:parameter>
+      <cd:parameter name="top">
+        <cd:constant type="cd:command"/>
+      </cd:parameter>
+      <cd:parameter name="frame">
+        <cd:constant type="on"/>
+        <cd:constant type="off"/>
+        <cd:constant type="none"/>
+        <cd:constant type="overlay"/>
+      </cd:parameter>
+      <cd:parameter name="topframe">
+        <cd:constant type="on"/>
+        <cd:constant type="off"/>
+      </cd:parameter>
+      <cd:parameter name="bottomframe">
+        <cd:constant type="on"/>
+        <cd:constant type="off"/>
+      </cd:parameter>
+      <cd:parameter name="leftframe">
+        <cd:constant type="on"/>
+        <cd:constant type="off"/>
+      </cd:parameter>
+      <cd:parameter name="rightframe">
+        <cd:constant type="on"/>
+        <cd:constant type="off"/>
+      </cd:parameter>
+      <cd:parameter name="frameoffset">
+        <cd:constant type="cd:dimension"/>
+      </cd:parameter>
+      <cd:parameter name="framedepth">
+        <cd:constant type="cd:dimension"/>
+      </cd:parameter>
+      <cd:parameter name="framecorner">
+        <cd:constant type="round"/>
+        <cd:constant type="rectangular"/>
+      </cd:parameter>
+      <cd:parameter name="frameradius">
+        <cd:constant type="cd:dimension"/>
+      </cd:parameter>
+      <cd:parameter name="framecolor">
+        <cd:constant type="cd:name"/>
+      </cd:parameter>
+      <cd:parameter name="rulethickness">
+        <cd:constant type="cd:dimension"/>
+      </cd:parameter>
+      <cd:parameter name="background">
+        <cd:constant type="screen"/>
+        <cd:constant type="color"/>
+        <cd:constant type="none"/>
+        <cd:constant type="foreground"/>
+        <cd:constant type="cd:name"/>
+      </cd:parameter>
+      <cd:parameter name="backgroundscreen">
+        <cd:constant type="cd:number"/>
+      </cd:parameter>
+      <cd:parameter name="backgroundcolor">
+        <cd:constant type="cd:name"/>
+      </cd:parameter>
+      <cd:parameter name="backgroundoffset">
+        <cd:constant type="frame"/>
+        <cd:constant type="cd:dimension"/>
+      </cd:parameter>
+      <cd:parameter name="backgrounddepth">
+        <cd:constant type="cd:dimension"/>
+      </cd:parameter>
+      <cd:parameter name="backgroundcorner">
+        <cd:constant type="round"/>
+        <cd:constant type="rectangular"/>
+      </cd:parameter>
+      <cd:parameter name="backgroundradius">
+        <cd:constant type="cd:dimension"/>
+      </cd:parameter>
+      <cd:parameter name="depth">
+        <cd:constant type="cd:dimension"/>
+      </cd:parameter>
+      <cd:parameter name="corner">
+        <cd:constant type="round"/>
+        <cd:constant type="rectangular"/>
+      </cd:parameter>
+      <cd:parameter name="radius">
+        <cd:constant type="cd:dimension"/>
+      </cd:parameter>
+      <cd:parameter name="empty">
+        <cd:constant type="yes"/>
+        <cd:constant type="no"/>
+      </cd:parameter>
+      <cd:parameter name="foregroundcolor">
+        <cd:constant type="cd:name"/>
+      </cd:parameter>
+      <cd:parameter name="foregroundstyle">
+        <cd:resolve name="style"/>
+      </cd:parameter>
+    </cd:assignments>
+  </cd:arguments>
+</cd:command>
+
+<cd:command name="namemakeup" type="environment" generated="yes">
+  <cd:sequence>
+    <cd:variable value="name"/>
+    <cd:string value="makeup"/>
+  </cd:sequence>
+  <cd:arguments>
+    <cd:assignments optional="yes" list="yes">
+      <cd:inherit name="startmakeup"/>
+    </cd:assignments>
+  </cd:arguments>
+</cd:command>
+
+<cd:command name="hiding" type="environment">
+  <cd:sequence>
+    <cd:string value="hiding"/>
+  </cd:sequence>
+  <cd:arguments>
+  </cd:arguments>
+</cd:command>
+
+<cd:command name="setupthinrules" file="core-rul.tex">
+  <cd:sequence>
+    <cd:string value="setupthinrules"/>
+  </cd:sequence>
+  <cd:arguments>
+    <cd:assignments>
+      <cd:parameter name="interlinespace">
+        <cd:constant type="small"/>
+        <cd:constant type="medium"/>
+        <cd:constant type="big"/>
+      </cd:parameter>
+      <cd:parameter name="n">
+        <cd:constant type="cd:number"/>
+      </cd:parameter>
+      <cd:parameter name="before">
+        <cd:constant type="cd:command"/>
+      </cd:parameter>
+      <cd:parameter name="inbetween">
+        <cd:constant type="cd:command"/>
+      </cd:parameter>
+      <cd:parameter name="after">
+        <cd:constant type="cd:command"/>
+      </cd:parameter>
+      <cd:parameter name="color">
+        <cd:constant type="cd:name"/>
+      </cd:parameter>
+      <cd:parameter name="backgroundcolor">
+        <cd:constant type="cd:name"/>
+      </cd:parameter>
+      <cd:parameter name="height">
+        <cd:constant type="cd:dimension"/>
+        <cd:constant type="max"/>
+      </cd:parameter>
+      <cd:parameter name="depth">
+        <cd:constant type="cd:dimension"/>
+        <cd:constant type="max"/>
+      </cd:parameter>
+      <cd:parameter name="alternative">
+        <cd:constant type="a"/>
+        <!--<cd:constant type="b"/>-->
+        <cd:constant type="c"/>
+        <!--<cd:constant type="d"/>-->
+      </cd:parameter>
+      <cd:parameter name="rulethickness">
+        <cd:constant type="cd:dimension"/>
+      </cd:parameter>
+      <cd:parameter name="color">
+        <cd:constant type="cd:name"/>
+      </cd:parameter>
+      <cd:parameter name="background">
+        <cd:constant type="color"/>
+        <cd:constant type="none"/>
+      </cd:parameter>
+      <cd:parameter name="backgroundcolor">
+        <cd:constant type="cd:name"/>
+      </cd:parameter>
+    </cd:assignments>
+  </cd:arguments>
+</cd:command>
+
+<cd:command name="setupitemize" file="core-itm.tex">
+  <cd:sequence>
+    <cd:string value="setupitemize"/>
+  </cd:sequence>
+  <cd:arguments>
+    <cd:keywords optional="yes">
+      <cd:constant type="cd:number"/>
+      <cd:constant type="each"/>
+    </cd:keywords>
+    <cd:keywords optional="yes" list="yes">
+      <cd:constant type="standard" default="yes"/>
+      <cd:constant type="broad"/>
+      <cd:constant type="serried"/>
+      <cd:constant type="packed"/>
+      <cd:constant type="unpacked"/>
+      <cd:constant type="stopper"/>
+      <cd:constant type="joinedup"/>
+      <cd:constant type="atmargin"/>
+      <cd:constant type="inmargin"/>
+      <cd:constant type="autointro"/>
+      <cd:constant type="loose"/>
+      <cd:constant type="repeat"/>
+      <cd:constant type="cd:section"/>
+      <cd:constant type="paragraph"/>
+      <cd:constant type="intext"/>
+      <cd:constant type="random"/>
+    </cd:keywords>
+    <cd:assignments optional="yes" list="yes">
+      <cd:parameter name="margin">
+        <cd:constant type="no"/>
+        <cd:constant type="standard"/>
+        <cd:constant type="cd:dimension"/>
+      </cd:parameter>
+      <cd:parameter name="leftmargin">
+        <cd:constant type="no"/>
+        <cd:constant type="standard"/>
+        <cd:constant type="cd:dimension"/>
+      </cd:parameter>
+      <cd:parameter name="rightmargin">
+        <cd:constant type="no"/>
+        <cd:constant type="standard"/>
+        <cd:constant type="cd:dimension"/>
+      </cd:parameter>
+      <cd:parameter name="width">
+        <cd:constant type="cd:dimension"/>
+      </cd:parameter>
+      <cd:parameter name="distance">
+        <cd:constant type="cd:dimension"/>
+      </cd:parameter>
+      <cd:parameter name="factor">
+        <cd:constant type="cd:number"/>
+      </cd:parameter>
+      <cd:parameter name="items">
+        <cd:constant type="cd:number"/>
+      </cd:parameter>
+      <cd:parameter name="start">
+        <cd:constant type="cd:number"/>
+      </cd:parameter>
+      <cd:parameter name="before">
+        <cd:constant type="cd:command"/>
+      </cd:parameter>
+      <cd:parameter name="inbetween">
+        <cd:constant type="cd:command"/>
+      </cd:parameter>
+      <cd:parameter name="after">
+        <cd:constant type="cd:command"/>
+      </cd:parameter>
+      <cd:parameter name="left">
+        <cd:constant type="cd:text"/>
+      </cd:parameter>
+      <cd:parameter name="right">
+        <cd:constant type="cd:text"/>
+      </cd:parameter>
+      <cd:parameter name="beforehead">
+        <cd:constant type="cd:command"/>
+      </cd:parameter>
+      <cd:parameter name="afterhead">
+        <cd:constant type="cd:command"/>
+      </cd:parameter>
+      <cd:parameter name="headstyle">
+        <cd:resolve name="style"/>
+      </cd:parameter>
+      <cd:parameter name="marstyle">
+        <cd:resolve name="style"/>
+      </cd:parameter>
+      <cd:parameter name="symstyle">
+        <cd:resolve name="style"/>
+      </cd:parameter>
+      <cd:parameter name="stopper">
+        <cd:constant type="cd:text"/>
+      </cd:parameter>
+      <cd:parameter name="n">
+        <cd:constant type="cd:number"/>
+      </cd:parameter>
+      <cd:parameter name="symbol">
+        <cd:constant type="cd:number"/>
+      </cd:parameter>
+      <cd:parameter name="align">
+        <cd:resolve name="align"/>
+      </cd:parameter>
+      <cd:parameter name="indentnext">
+        <cd:resolve name="indentnext"/>
+      </cd:parameter>
+    </cd:assignments>
+  </cd:arguments>
+</cd:command>
+
+<cd:command name="itemize" type="environment" generated="yes">
+  <cd:sequence>
+    <cd:variable value="itemize"/>
+  </cd:sequence>
+  <cd:arguments>
+    <cd:keywords optional="yes" list="yes">
+      <cd:constant type="a"/>
+      <cd:constant type="A"/>
+      <cd:constant type="KA"/>
+      <cd:constant type="n"/>
+      <cd:constant type="N"/>
+      <cd:constant type="m"/>
+      <cd:constant type="r"/>
+      <cd:constant type="R"/>
+      <cd:constant type="KR"/>
+      <cd:constant type="cd:number"/>
+      <cd:constant type="continue"/>
+      <cd:constant type="standard" default="yes"/>
+      <cd:constant type="broad"/>
+      <cd:constant type="serried"/>
+      <cd:constant type="packed"/>
+      <cd:constant type="stopper"/>
+      <cd:constant type="joinedup"/>
+      <cd:constant type="atmargin"/>
+      <cd:constant type="inmargin"/>
+      <cd:constant type="intro"/>
+      <cd:constant type="columns"/>
+      <cd:constant type="text"/>
+      <cd:constant type="paragraph"/>
+      <cd:constant type="repeat"/>
+    </cd:keywords>
+    <cd:assignments optional="yes" list="yes">
+      <cd:inherit name="setupitemize"/>
+    </cd:assignments>
+  </cd:arguments>
+</cd:command>
+
+<cd:command name="framedtext" type="environment" generated="yes">
+  <cd:sequence>
+    <cd:variable value="framedtext"/>
+  </cd:sequence>
+  <cd:arguments>
+    <cd:keywords optional="yes">
+      <cd:constant type="left"/>
+      <cd:constant type="right"/>
+      <cd:constant type="middle"/>
+      <cd:constant type="none"/>
+    </cd:keywords>
+    <cd:assignments optional="yes" list="yes">
+      <cd:inherit name="setupframedtexts"/>
+    </cd:assignments>
+    <!-- new -->
+    <cd:content/>
+    <cd:content/>
+  </cd:arguments>
+</cd:command>
+
+<cd:command name="tabulate" type="environment" generated="yes">
+  <cd:sequence>
+    <cd:variable value="tabulate"/>
+  </cd:sequence>
+  <cd:arguments>
+    <cd:keywords optional="yes">
+      <cd:constant type="cd:text"/>
+    </cd:keywords>
+    <!-- change! -->
+    <cd:keywords>
+      <cd:constant type="cd:text"/>
+    </cd:keywords>
+  </cd:arguments>
+</cd:command>
+
+<cd:command name="setupcolors" file="colo-ini.tex">
+  <cd:sequence>
+    <cd:string value="setupcolors"/>
+  </cd:sequence>
+  <cd:arguments>
+    <cd:assignments list="yes">
+      <cd:parameter name="state">
+        <cd:constant type="start"/>
+        <!-- change! -->
+        <cd:constant type="stop" default="yes"/>
+        <cd:constant type="global"/>
+        <cd:constant type="local"/>
+      </cd:parameter>
+      <cd:parameter name="conversion">
+        <cd:constant type="yes"/>
+        <cd:constant type="no"/>
+        <cd:constant type="always"/>
+      </cd:parameter>
+      <cd:parameter name="reduction">
+        <cd:constant type="yes"/>
+        <cd:constant type="no"/>
+      </cd:parameter>
+      <cd:parameter name="rgb">
+        <cd:constant type="yes"/>
+        <cd:constant type="no"/>
+      </cd:parameter>
+      <cd:parameter name="cmyk">
+        <cd:constant type="yes"/>
+        <cd:constant type="no"/>
+      </cd:parameter>
+      <cd:parameter name="mpcmyk">
+        <cd:constant type="yes"/>
+        <cd:constant type="no"/>
+      </cd:parameter>
+      <cd:parameter name="mpspot">
+        <cd:constant type="yes"/>
+        <cd:constant type="no"/>
+      </cd:parameter>
+      <cd:parameter name="textcolor">
+        <cd:constant type="cd:name"/>
+      </cd:parameter>
+      <cd:parameter name="split">
+        <cd:constant type="c"/>
+        <cd:constant type="m"/>
+        <cd:constant type="y"/>
+        <cd:constant type="k"/>
+        <cd:constant type="p"/>
+        <cd:constant type="s"/>
+        <cd:constant type="no"/>
+        <cd:constant type="cd:name"/>
+      </cd:parameter>
+      <cd:parameter name="criterium">
+        <cd:constant type="all"/>
+        <cd:constant type="none"/>
+      </cd:parameter>
+    </cd:assignments>
+  </cd:arguments>
+</cd:command>
+
+<cd:command name="setupinteraction" file="core-nav.tex">
+  <cd:sequence>
+    <cd:string value="setupinteraction"/>
+  </cd:sequence>
+  <cd:arguments>
+    <cd:assignments interactive="exclusive" list="yes">
+      <cd:parameter name="state">
+        <cd:constant type="start"/>
+        <!-- change! -->
+        <cd:constant type="stop" default="yes"/>
+      </cd:parameter>
+      <cd:parameter name="menu">
+        <cd:constant type="on"/>
+        <cd:constant type="off"/>
+      </cd:parameter>
+      <cd:parameter name="page">
+        <cd:constant type="yes"/>
+        <cd:constant type="no"/>
+      </cd:parameter>
+      <cd:parameter name="click">
+        <cd:constant type="yes"/>
+        <cd:constant type="no"/>
+      </cd:parameter>
+      <cd:parameter name="split">
+        <cd:constant type="yes"/>
+        <cd:constant type="no"/>
+      </cd:parameter>
+      <cd:parameter name="display">
+        <cd:constant type="new"/>
+      </cd:parameter>
+      <cd:parameter name="openaction">
+        <cd:constant type="cd:reference"/>
+      </cd:parameter>
+      <cd:parameter name="closeaction">
+        <cd:constant type="cd:reference"/>
+      </cd:parameter>
+      <cd:parameter name="openpageaction">
+        <cd:constant type="cd:reference"/>
+      </cd:parameter>
+      <cd:parameter name="closepageaction">
+        <cd:constant type="cd:reference"/>
+      </cd:parameter>
+      <cd:parameter name="calculate">
+        <cd:constant type="cd:name"/>
+      </cd:parameter>
+      <cd:parameter name="strut">
+        <cd:constant type="yes"/>
+        <cd:constant type="no"/>
+      </cd:parameter>
+      <cd:parameter name="width">
+        <cd:constant type="cd:dimension"/>
+      </cd:parameter>
+      <cd:parameter name="height">
+        <cd:constant type="cd:dimension"/>
+      </cd:parameter>
+      <cd:parameter name="depth">
+        <cd:constant type="cd:dimension"/>
+      </cd:parameter>
+      <cd:parameter name="style">
+        <cd:resolve name="style"/>
+      </cd:parameter>
+      <cd:parameter name="color">
+        <cd:constant type="cd:name"/>
+      </cd:parameter>
+      <cd:parameter name="contrastcolor">
+        <cd:constant type="cd:name"/>
+      </cd:parameter>
+      <cd:parameter name="symbolset">
+        <cd:constant type="cd:name"/>
+      </cd:parameter>
+      <cd:parameter name="title">
+        <cd:constant type="cd:text"/>
+      </cd:parameter>
+      <cd:parameter name="subtitle">
+        <cd:constant type="cd:text"/>
+      </cd:parameter>
+      <cd:parameter name="author">
+        <cd:constant type="cd:text"/>
+      </cd:parameter>
+      <cd:parameter name="date">
+        <cd:constant type="cd:text"/>
+      </cd:parameter>
+      <cd:parameter name="keyword">
+        <cd:constant type="cd:text"/>
+      </cd:parameter>
+      <!-- maybe this will move elsewhere -->
+      <cd:parameter name="fieldlayer">
+        <cd:constant type="auto"/>
+        <cd:constant type="cd:name"/>
+      </cd:parameter>
+    </cd:assignments>
+  </cd:arguments>
+</cd:command>
+
+<cd:define name="regime">
+    <cd:constant type="Latin1"/>
+    <cd:constant type="Latin2"/>
+    <cd:constant type="Latin7"/>
+    <cd:constant type="Latin15"/>
+    <cd:constant type="iso-8859-1"/>
+    <cd:constant type="iso-8859-2"/>
+    <cd:constant type="iso-8859-7"/>
+    <cd:constant type="iso-8859-15"/>
+    <cd:constant type="cp1250"/>
+    <cd:constant type="cp1251"/>
+    <cd:constant type="cp1252"/>
+    <cd:constant type="cp1253"/>
+    <cd:constant type="cp1254"/>
+    <cd:constant type="cp1257"/>
+    <cd:constant type="viscii"/>
+    <cd:constant type="cyr"/>
+    <cd:constant type="grk"/>
+    <cd:constant type="mac"/>
+    <cd:constant type="utf8"/>
+    <cd:constant type="unicode"/>
+</cd:define>
+
+<cd:command name="enableregime" file="regi-ini.tex">
+  <cd:sequence>
+    <cd:string value="enableregime"/>
+  </cd:sequence>
+  <cd:arguments>
+    <cd:keywords>
+      <cd:resolve name="regime"/>
+    </cd:keywords>
+  </cd:arguments>
+</cd:command>
+
+</cd:interface>
+
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/en/hasseltbook.bib b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/hasseltbook.bib
new file mode 100644
index 00000000000..ea7bbfd3192
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/hasseltbook.bib
@@ -0,0 +1,7 @@
+@INBOOK{book01,
+   author = "Jonker, J.",
+   title = "From Hasselt to America",
+   publisher = "Bookplan Publishers",
+   year = "2012",
+   chapter = "1.2",
+}
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/en/hasseltbook.pdf b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/hasseltbook.pdf
new file mode 100644
index 00000000000..03c894ff45a
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/hasseltbook.pdf
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/en/hasseltbook.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/hasseltbook.tex
new file mode 100644
index 00000000000..9c0d319f57b
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/hasseltbook.tex
@@ -0,0 +1,30 @@
+
+\starttext
+
+\startstandardmakeup
+  \midaligned{\tfd Festivities in Hasselt}
+\stopstandardmakeup
+
+\completecontent
+
+\startchapter[title=Introduction]
+  An introduction.
+\stopchapter
+
+\startchapter[title=Kingsday]
+  Something about the Kingsday in Hasselt.\index{Kingsday}
+\stopchapter
+
+\startchapter[title=Hassailt]
+  Something about Hassailt.\index{Hassailt}
+\stopchapter
+
+\startchapter[title=Euifeest,reference=euifeest]
+  Something about the Euifeest.\index{Euifeest}
+\stopchapter
+
+\completeindex
+
+\stoptext
+
+\stoptext
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-alignments.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-alignments.tex
new file mode 100644
index 00000000000..327bc8a6bf3
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-alignments.tex
@@ -0,0 +1,73 @@
+\startcomponent ma-cb-en-alignments
+
+\enablemode[**en-us]
+
+\project ma-cb
+
+\startchapter[title=Alignment]
+
+\index{alignment}
+
+\Command{\tex{setupalign}}
+\Command{\tex{setup tolerance}}
+\Command{\tex{rightaligned}}
+\Command{\tex{leftlines}}
+\Command{\tex{midaligned}}
+
+Horizontal and vertical alignment can be set up with:
+
+\shortsetup{setupalign}
+
+Single lines can be aligned with:
+
+\starttyping
+\rightaligned{}
+\leftaligned{}
+\midaligned{}
+\stoptyping
+
+An example can illustrate the alignment behavior:
+
+\startbuffer
+\leftaligned  {Hasselt was built on a sandhill.}
+\midaligned   {Hasselt was built on the crossing of two rivers.}
+\rightaligned {Hasselt's name stems from hazelwood.}
+\stopbuffer
+
+\typebuffer
+
+After processing this would look like:
+
+\getbuffer
+
+Alignment of a paragraph is done with:
+
+\shortsetup{startalignment}
+
+\startbuffer
+\startalignment[flushright,nothyphenated]
+  For Hasselt the 15th and 16th century were relatively unstable times.
+  There were uprises and disputes with neighbouring cities. To be
+  able to defend themselves the city council ordered a number of
+  arquebuses (very primitive firearms). Fourteen of these have survived
+  and now form one of the greatest arquebus collections in Europe.
+\stopalignment
+\stopbuffer
+
+\typebuffer
+
+This will become a rightaligned paragraph without hyphenations:
+
+\getbuffer
+
+In case of alignment you can specify a tolerance and the direction (vertical or
+horizontal). Normally the tolerance is \type{verystrict}. In colums you could
+specify \type{verytolerant}. The tolerance in this manual is:
+
+\starttyping
+\setuptolerance[horizontal,verystrict]
+\stoptyping
+
+\stopchapter
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-backpage.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-backpage.tex
new file mode 100644
index 00000000000..bb7ae025098
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-backpage.tex
@@ -0,0 +1,40 @@
+\startcomponent ma-cb-en-backpage
+
+\enablemode[**en-us]
+
+\project ma-cb
+
+This manual describes some features of \CONTEXT, a document
+production system, based on \TEX.
+
+\vfil
+
+\CONTEXT\ offers the user a flexible and high quality
+typesetting environment. No in||depth knowledge of \TEX\
+is needed. The parameter driven character of \CONTEXT\
+enables users to define their own layout rather easy.
+
+\vfil
+
+\CONTEXT\ is developed and tested in a production
+environment and is used for typesetting simple books as
+well as complex documents, paper and/or screen based. This
+introduction manual describes the functionality needed for
+everyday publications, like manuals and educational
+materials.
+
+\vfil
+
+This manual is also available as an interactive document, be
+it in a bit different layout. The macro package \CONTEXT,
+some more advanced examples and additional information can
+be found at www.pragma-ade.com.
+
+\vfil
+
+PRAGMA ADE          \break
+Ridderstraat 27     \break
+8061 GH Hasselt NL  \break
+www.pragma-ade.com
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-bibliography.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-bibliography.tex
new file mode 100644
index 00000000000..1b8451934e2
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-bibliography.tex
@@ -0,0 +1,63 @@
+\startcomponent ma-cb-en-bibliography
+
+\enablemode[**en-us]
+
+\project ma-cb
+
+\startchapter[title=Bibliography]
+
+\index{bibliography}
+\index{\BIBTEX}
+
+\Command{\tex{setuppublications}}
+\Command{\tex{placepublications}}
+\Command{\tex{setupbibtex}}
+
+\CONTEXT\ support the \BIBTEX\ way of managing article and book references. The data
+is stored in a \type{.bib} file. A data entry in a \BIBTEX\ data file could be:
+
+\startbuffer
+@INBOOK{book01,
+   author = "Jonker, J.",
+   title = "From Hasselt to America",
+   publisher = "Bookplan Publishers",
+   year = "2012",
+   chapter = "1.2",
+}
+\stopbuffer
+
+\typebuffer
+
+After loading the database with \type{\setupbibtex[database=hasseltbook]} the following
+command is available:
+
+\setupbibtex[database={hasseltbook},sort=author]
+\setuppublications[refcommand=authoryear]
+
+\startbuffer
+Please refer to \cite[book01] for more information on famous people
+that were born in Hasselt.
+\stopbuffer
+
+\typebuffer
+
+Which would produce:
+
+\getbuffer
+
+In an appendix you can place the complete book list with:
+
+\startbuffer
+\placepublications[criterium=text]
+\stopbuffer
+
+\typebuffer
+
+At this moment (2013 -- 2014) the bibliography mechanism is being completely
+overhauled, so please visit the \goto {\CONTEXTWIKI} [ url
+(http://wiki.contextgarden.net) ] and the \goto {Pragma ADE website} [ url
+(http://www.pragma-ade.com/overview.htm) ] regularly for information.
+
+\stopchapter
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-chemical.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-chemical.tex
new file mode 100644
index 00000000000..3919ccb012e
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-chemical.tex
@@ -0,0 +1,77 @@
+\startcomponent ma-cb-en-chemical
+
+\enablemode[**en-us]
+
+\project ma-cb
+
+\startchapter[title=Chemical stuf,reference=chemical]
+
+\index{chemistry}
+\index{chemical equitation}
+
+\Command{\tex{}chemical}
+
+Chemical structures may look very impressive.
+
+\startbuffer
+\startchemical[scale=small,width=fit,top=3000,bottom=3000]
+  \chemical[SIX,SB2356,DB14,Z2346,SR3,RZ3,SR6,-RZ6,+RZ6]
+           [C,N,C,C,H,H]
+  \chemical[PB:Z1,ONE,Z0,MOV8,Z0,SB24,DB7,Z27,PE][C,C,CH_3,O]
+  \chemical[PB:Z5,ONE,Z0,MOV6,Z0,SB24,DB7,Z47,PE][C,C,H_3C,O]
+  \chemical[SR24,RZ24][CH_3,H_3C]
+  \bottext{Compound A}
+\stopchemical
+\stopbuffer
+
+\placeformula[-]
+\startformula
+  \getbuffer
+\stopformula
+
+\CONTEXT\ relies on \METAPOST\ to draw these kind of chemical structures.
+Although these chemical structures are defined with only two or three commands,
+it takes some practice to get the right results. This is how the input looks:
+
+\typebuffer
+
+Chemical reactions can be typeset within a paragraph or as a display formula with
+the \type{\inlinechemical} and \type{\startchemicalformula} commands:
+
+\startbuffer
+\definefloat
+  [chemicalformula]
+  [chemicalformulas]
+
+One of the steps in the Hasselt canal water treatment is the removal of
+phosphate by means of a chemical reaction with iron:
+
+\placechemicalformula[none][]{}
+  {\startchemicalformula
+    \chemical{Fe(OH)_3}{iron hydroxide}
+    \chemical{PLUS}
+    \chemical{H_3PO_4}{phosphoric acid}
+    \chemical{GIVES}{\hphantom{whatever}}
+    \chemical{FePO_4}{iron phosphate}
+    \chemical{PLUS}
+    \chemical{H_2O}{water}
+  \stopchemicalformula}
+
+The \inlinechemical{FePO_4} is a solid and precipitates in water. It
+is filtered and re-used as a furtilizer resource.
+\stopbuffer
+
+\getbuffer
+
+This is defined by:
+
+\typebuffer
+
+The use of the chemical commands is described in the \goto{PPCHTeX Manual}[ url(manual:chemic) ]
+and the example manual \goto{Chemical Formulas in \CONTEXT} [ url(manual:chemic-ex) ].
+
+\stopchapter
+
+\stopcomponent
+
+
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-citations.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-citations.tex
new file mode 100644
index 00000000000..b0e416ee0de
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-citations.tex
@@ -0,0 +1,64 @@
+\startcomponent ma-cb-en-citations
+
+\enablemode[**en-us]
+
+\project ma-cb
+
+\startchapter[title=Citations and quotations, reference=quotations]
+
+\index{citation}
+\index{quote}
+
+\Command{\tex{quote}}
+
+The consistent use of quote and quotation marks in the running text is invoked by
+the use of \type{\quote} or \type{\quotation}. For longer text fragments you can use:
+
+\shortsetup{startquotation}
+
+\startbuffer
+In the book \quote{Hasselt, beelden van een middeleeuwse stad} it says:
+\startquotation
+Het stadhuis wordt voor het eerst vermeld in 1431. Oorspronkelijk
+is het een houten huis, dat wordt afgebroken om plaats te maken voor
+een nieuw stadhuis van steen. Dit wordt echter halverwege de 16e eeuw
+ook afgebroken en vervangen door een nog groter pand. Het nieuwe
+stadhuis wordt weer in dezelfde fraaie stijl opgebouwd. De bestuurders
+laten daarmee zien dat het is gebouwd in een tijd van grote welvaart.
+\stopquotation
+\stopbuffer
+
+\typebuffer
+
+In the example below you can see that quotation is language sensitive:
+
+\startbuffer
+\nl Hij zei tegen me: \quotation{In Hasselt noemen ze dat
+    \quote{noaberschop} of zoiets.}
+
+\en He told me: \quotation{In Hasselt they call this
+    \quote{noaberschop} or something like that.}
+
+\de Er sagte zu mir: \quotation{In Hasselt nennt man das
+    \quote{noaberschop} oder so etwas.}
+
+\fr Il a dit: \quotation{À Hasselt on c'appelle \quote{noaberschop}
+    ou quelque chose comme ça.}
+\stopbuffer
+
+\typebuffer
+
+Note the automatic change of the quotation marks in case of a quote within a
+quote.
+
+\startpacked
+\getbuffer
+\stoppacked
+
+You can alter the default settings with:
+
+\shortsetup{setuplanguage}
+
+\stopchapter
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-color.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-color.tex
new file mode 100644
index 00000000000..1cfeadf9ae1
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-color.tex
@@ -0,0 +1,71 @@
+\startcomponent ma-cb-en-color
+
+\project ma-cb
+
+\startchapter[title=Color]
+
+\index{color}
+
+\Command{\tex{setupcolors}}
+\Command{\tex{color}}
+\Command{\tex{definecolor}}
+
+Text, frames or backgrounds can be set in color with:
+
+\shortsetup{color}
+
+Default the basic colors are available. Basic colors are for example
+red, white and blue. A color like orange can be defined with:
+
+\shortsetup{definecolor}
+
+You can define orange like this:
+
+\startbuffer[a]
+\definecolor [darkorange]   [c=0.0,m=0.60,y=1.00,k=0.0]
+\definecolor [middleorange] [.5(darkorange)]
+\stopbuffer
+
+\typebuffer[a]
+
+\getbuffer[a]
+
+It is of good practice to check (combinations of) colors on a larger
+surface:
+
+\startbuffer
+\blackrule[width=\hsize,height=1cm,color=red,after=]
+\blackrule[width=\hsize,height=1cm,color=white,after=]
+\blackrule[width=\hsize,height=1cm,color=blue,after=]
+\blackrule[width=\hsize,height=1cm,color=darkorange]
+\stopbuffer
+
+\typebuffer
+
+so you can see if they fit together:
+
+\blank
+
+\getbuffer
+
+A color can be invoked in a number of ways:
+
+\startbuffer
+\startcolor[red]
+On {\darkorange Kingsday} {\blue Hasselt} turns into a
+\color[darkorange]{colorfull} city.
+\stopcolor
+\stopbuffer
+
+\typebuffer
+
+\getbuffer
+
+More information on the use of color models, transparency and palets can be found
+on the \goto {\CONTEXTWIKI} [ url (http://wiki.contextgarden.net/Color) ]
+and in the
+\goto {\em Color Separation} [ url (manual:color) ] manual.
+
+\stopchapter
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-columns.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-columns.tex
new file mode 100644
index 00000000000..06bb3025994
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-columns.tex
@@ -0,0 +1,154 @@
+\startcomponent ma-cb-en-columns
+
+\enablemode[**en-us]
+
+\project ma-cb
+
+\startchapter[title=Columns]
+
+\index{columns}
+
+\Command{\tex{startcolums}}
+\Command{\tex{setupcolumns}}
+\Command{\tex{column}}
+
+Simple sections of text can be typeset in columns. If you preceed a text fragment
+by \type{\startcolumns} and close the text fragment by \type{\stopcolumns}
+everything in between will be set in columns.
+
+\shortsetup{startcolumns}
+
+Let's give an example:
+
+\startbuffer
+\startcolumns[n=3,tolerance=verytolerant]
+  Hasselt is an old Hanseatic City, situated 12~km north of Zwolle
+  at the river Zwartewater.
+
+  ...
+
+  Furthermore some events of special interest should be
+  mentioned. Every year at the end of August Hasselt celebrates
+  the \quote{Eui Festival} (hay festival).
+\stopcolumns
+\stopbuffer
+
+\typebuffer
+
+\startbuffer
+\hyphenation{Ste-pha-nus}
+\startcolumns[n=3,tolerance=verytolerant]
+Hasselt is an old Hanseatic City, situated 12~km north of Zwolle at
+the river Zwartewater.
+
+The city has a long history since obtaining the city charter around
+1252. Part and parcel of this history can be traced back to a large
+number of monuments to be admired in the city center.
+
+There you will find the St. Stephanus church, a late gothic church
+dating back to 1479 with a magnificent organ. The former Municipal
+Building is situated on The Market Place. Constituted between 1500
+and 1550 it houses a large collection of weapons, amongst which one
+of the largest collection of black powder guns (haakhussen) in the
+whole world should be mentioned.
+
+Furthermore there is a corn windmill \quote{The Swallow}, dating back to
+1748 as well as the \quote{Stenendijk}, a unique embankment and the last
+shell limekiln in Europe still in full operation.
+
+The city center with the townmoat adorned by lime-trees, the Van
+Stolkspark and the hustle and bustle at the docks are ideally suited
+for a stroll.
+
+The area around Hasselt is also worth mentioning. In wintertime
+polder Mastenbroek harbours large numbers of geese. In summertime the
+hamlets Gen\-ne, Streukel and Celle\-mui\-den form, together with the very
+rare lapwing flowers (Lat. Fritillaria meleagris) found on the banks
+of the river Zwatewater, the ideal surroundings for walking or
+cycling trips.
+
+Hasselt also is a very important center for watersports. The lakes of
+northwest Overijssel, the river IJssel, the Overijsselse Vecht and
+the Randmeren are within easy reach from the yacht harbour `De
+Molenwaard'. Sailing, fishing, swimming and ca\-noe\-ing can be fully
+enjoyed in Hasselt.
+
+Furthermore some events of special interest should be
+mentioned. Every year at the end of August Hasselt celebrates the
+\quote{Eui Festival} (hay festival).
+\stopcolumns
+\stopbuffer
+
+The result will be a three column text.
+
+\start
+\switchtobodyfont[9pt]
+\getbuffer
+\stop
+
+If possible a new column can be enforced with \type{\column}. You can set up
+columns with:
+
+\shortsetup{setupcolumns}
+
+In most cases you will obtain a better result by type setting the text on
+\quote{grid}. This is done by typing \type{grid=yes} in the command \type
+{\setuplayout}.
+
+If you want to use columns within a framed text \type{\start ... \stopframedtext}
+there is the simple column mechanism.
+
+\startbuffer
+\startframedtext[background=color,backgroundcolor=gray]
+\startsimplecolumns
+  In Hasselt's local newspaper there was a column on the
+  local customs during New Years Eve.
+  ...
+  \midaligned{\inlinechemical{CaC_2,+,2H_2O,GIVES,C_2H_2(g),+,Ca(OH)_2}}
+  ...
+  Nowadays the heavy metal lid of the milk can is replaced by
+  a football. This does not reduce the sound but it is much
+  saver.
+\stopsimplecolumns
+\stopbuffer
+
+\typebuffer
+
+\startbuffer
+\startframedtext[background=color,backgroundcolor=gray,width=\textwidth]
+\startsimplecolumns
+  In Hasselt's local newspaper there was a column on the
+  local customs during new years Eve. Next to the more
+  general custom of eating Dutch doughnuts (oliebollen)
+  and lighting fireworks there is the carbide shooting.
+  What you need is an oldfashioned metal milk can, carbide,
+  a little water and a lighter.
+
+  The carbide and water is mixed in the closed milk can and
+  will produce \inlinechemical{C_2H_2} gas (acetylene), via:
+
+  \midaligned{\inlinechemical{CaC_2,+,2H_2O,GIVES,C_2H_2 (g),+,Ca(OH)_2}}
+
+  The volatile acetylene gas in the milk can is ignited via a small
+  opening in the can. The result is a very loud detonation and the lid
+  flies off.
+
+  It will not surprise you that Hasselts youth has a designated
+  shooting ground for carbide shooting. Nowadays the heavy
+  metal lid of the milk can is replaced by a football. This
+  does not reduce the sound but it is much saver!
+\stopsimplecolumns
+\stopframedtext
+\stopbuffer
+
+This will result in:
+
+\getbuffer
+
+There is an advanced column mechanism available that is described in the
+\goto {\em Columns} [ url (manual:columns)
+] manual.
+
+\stopchapter
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-commandlist.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-commandlist.tex
new file mode 100644
index 00000000000..d14d9d2021f
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-commandlist.tex
@@ -0,0 +1,16 @@
+\startcomponent ma-cb-en-commandlist
+
+\project ma-cb
+
+Here we summarize the commands we introduced in the previous chapters. This is
+just a selection of the whole repertoire of \CONTEXT\ commands. Those who want to
+see them all can take a look at the more extensive manual or the {\em Quick
+Reference Manuals} that give a complete overview of all \CONTEXT||commands.
+
+Arguments that are typeset {\sl slanted} are optional and can be omited. The
+number points to the page where the command is explained. Black arrows indicate
+that the command is only of use in interactive documents and gray arrows tell us
+that additional functionality is provided in interactive mode. Keep in mind that
+we only show the commands we described in this manual, there are many more.
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-commands.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-commands.tex
new file mode 100644
index 00000000000..df0d2a29315
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-commands.tex
@@ -0,0 +1,94 @@
+\startcomponent ma-cb-en-commands
+
+\enablemode[**en-us]
+
+\project ma-cb
+
+\startchapter[title=Defining commands / macros]
+
+\CONTEXT\ is a set of macros based on \TEX. \TEX\ is a programming language as
+well as a typographical system. This means that you can do the programming
+yourself if you need that kind of flexability.
+
+You can define a new command with:
+
+\shortsetup{define}
+
+The next example will explain its meaning.
+
+You may have a well illustrated document and you are tired of typing:
+
+\startbuffer
+\placefigure
+  [here,force]
+  [fig:logical name]
+  {Caption.}
+  {\externalfigure[filename][width=5cm]}
+\stopbuffer
+
+\typebuffer
+
+You could define your own command with a few variables like:
+
+\startitemize[packed]
+\item logical name
+\item caption
+\item file name
+\stopitemize
+
+Your command definition and call could look something like
+this:
+
+\startbuffer
+\define[3]\myputfigure
+  {\placefigure
+     [here,force][fig:#1]
+     {#2}{\externalfigure[#3][width=5cm]}}
+
+\myputfigure{lion}{The Dutch lion is a sentry.}{ma-cb-13}
+\stopbuffer
+
+\typebuffer
+
+From then on the \type{\myputfigure} is available.
+Between brackets \type{[3]} indicates that you want to use three variables
+\type{#1}, \type{#2} and \type{#3}. In the command call \type{\myputfigure} you
+have to place these variables between curly braces. The result is shown in
+\in{figure}[fig:lion].
+
+\getbuffer
+
+Very sophisticated commands can be programmed, but this is left to your own
+inventiveness.
+
+In addition to defining commands you can also define \type{\start...\stop}
+command pairs.
+
+\shortsetup{definestartstop}
+
+For example:
+
+\startbuffer
+\definestartstop
+   [attention]
+   [before=\blank\startmarginrule,
+    after=\stopmarginrule\blank]
+
+\startattention
+{\em Hasselter Juffers} are sweet cookies but the name is no
+coincidence. On July 21 in 1233 the {\em Zwartewaterklooster}
+(Blackwater Monastery) was founded. The monastery was meant
+for unmarried girls and women belonging to the nobility of
+Hasselt. These girls and women were called {\em juffers}.
+\stopattention
+\stopbuffer
+
+\typebuffer
+
+This will result in:
+
+\getbuffer
+
+\stopchapter
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-composedcharacters.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-composedcharacters.tex
new file mode 100644
index 00000000000..59c17600483
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-composedcharacters.tex
@@ -0,0 +1,55 @@
+\startcomponent ma-cb-en-composedcharacters
+
+\enablemode[**en-us]
+
+\project ma-cb
+
+\startchapter[title=Composite characters]
+
+\index{accents}
+\index{foreign characters}
+
+In \in{chapter}[special chars] you have already seen that you have to type more
+than one token to obtain special characters like \# \$ \% \& \_ $\{$ and $\}$.
+
+Characters with accents for example can be composed or coded with specific
+\CONTEXT\ commands in order to display them on paper. In case you have a text
+editor that can display utf8 you can type the composed characters directly.
+
+It is not within the scope of this manual to go into accented characters in math
+mode. See the {\TEX Book} by Donald E. Knuth on that subject.
+
+\in{Table}[tab:composed-characters] shows a few examples and the way you can code
+composed characters.
+
+\placetable
+  [here,force]
+  [tab:composed-characters]
+  {Composed characters.}
+  {\starttable[|c|l|l|c|]
+   \HL
+   \NC \bf Character \NC \bf Composed \NC \bf \CONTEXT\ command \NC \bf UTF8 \NC\SR
+   \HL
+   \NC ü            \NC \type{\"u}	     \NC \type{\uacute}        \NC \type{ü} \NC\FR
+   \NC é            \NC \type{\'e}	     \NC \type{\egrave}        \NC \type{é} \NC\MR
+   \NC â            \NC \type{\^a}       \NC \type{\acircumflex}   \NC \type{â} \NC\MR
+   \NC ä            \NC \type{\"a}       \NC \type{\aacute}        \NC \type{ä} \NC\MR
+   \NC à            \NC \type{\`a}	     \NC \type{\agrave}        \NC \type{à} \NC\MR
+   \NC å            \NC \type{\aa}       \NC \type{\aring}         \NC \type{å} \NC\MR
+   \NC ç            \NC \type{\c{c}}     \NC \type{\ccedilla}      \NC \type{ç} \NC\MR
+   \NC ï            \NC \type{\"{\i}}    \NC \type{\idiaeresis}    \NC \type{ï} \NC\MR
+   \NC î            \NC \type{\^{\i}}    \NC \type{\icircumflex}   \NC \type{î} \NC\MR
+   \NC Ä            \NC \type{\"A}       \NC \type{\Adiaeresis}    \NC \type{Ä} \NC\MR
+   \NC Å            \NC \type{\AA}       \NC \type{\Aring}         \NC \type{Å} \NC\MR
+   \NC É            \NC \type{\'E}       \NC \type{\Egrave}        \NC \type{É} \NC\MR
+   \NC æ            \NC \type{\ae}       \NC \type{\aeligature}    \NC \type{æ} \NC\MR
+   \NC Æ            \NC \type{\AE}       \NC \type{\AEligature}    \NC \type{Æ} \NC\MR
+   \NC ÿ            \NC \type{\"y}	     \NC \type{\ydiaeresis}    \NC \type{ÿ} \NC\LR
+   \HL
+   \stoptable}
+
+The character you want to display should be in the font.
+
+\stopchapter
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-descriptions.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-descriptions.tex
new file mode 100644
index 00000000000..01c8fb60868
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-descriptions.tex
@@ -0,0 +1,94 @@
+\startcomponent ma-cb-en-descriptions
+
+\enablemode[**en-us]
+
+\project ma-cb
+
+\startchapter[title=Definitions]
+
+\index{definition}
+
+\Command{\tex{definedescription}}
+\Command{\tex{setupdescriptions}}
+
+If you want to display notions, concepts and ideas in a consistent manner you can
+use:
+
+\shortsetup{definedescription}
+
+For example:
+
+\startbuffer
+\definedescription
+  [concept]
+  [alternative=serried,headstyle=bold,width=broad]
+
+\concept{Hasselter juffer} A sort of biscuit made of puff pastry and
+covered with sugar. It tastes very sweet. \par
+\stopbuffer
+
+\typebuffer
+
+It would look like this:
+
+\getbuffer
+
+But you can also choose other layouts:
+
+\startbuffer
+\definedescription
+  [concept]
+  [alternative=top,
+   inbetween={\blank[none]},
+   headstyle=bold,
+   width=broad,
+   style=slanted]
+
+\concept{Hasselter bitter} A very strong alcoholic drink (up to 40\%)
+mixed with herbs to give it a special taste. It is sold in a stone
+flask and it should be served {\em ijskoud} (as cold as ice). \par
+
+\definedescription
+  [concept]
+  [alternative=inmargin,headstyle=bold,width=broad]
+
+\concept{Euifeest} A harvest home to celebrate the end of a period of
+hard work. The festivities take place in the last week of August. \par
+\stopbuffer
+
+\start
+\getbuffer
+\stop
+
+If you want to avoid the \type{\par} or when you have more than one paragraph in
+the definition you can use the \type{\start...\stop} construct.
+
+\startbuffer
+\definedescription
+  [concept]
+  [alternative=right,
+   headstyle=bold,
+   width=broad]
+
+\startconcept{Euifeest} A harvest home to celebrate the end of a
+period of hard work.
+This event takes place at the end of August and lasts one week. The
+city is completely illuminated and the streets are decorated. This
+feast week ends with a {\em Braderie}.
+\stopconcept
+\stopbuffer
+
+\typebuffer
+
+This would become:
+
+\getbuffer
+
+Layout is set up within the second bracket pair of
+\type{\definedescription[][]}. But you can also use:
+
+\shortsetup{setupdescriptions}
+
+\stopchapter
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-document.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-document.tex
new file mode 100644
index 00000000000..94fdb7ea2ea
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-document.tex
@@ -0,0 +1,117 @@
+\startcomponent ma-cb-en-document
+
+\enablemode[**en-us]
+
+\project ma-cb
+
+\startchapter[title=How to create a textbook]
+
+\index{input file}
+
+Let's assume you want to create a simple textbook. It has some structure and
+contains a title page, a few chapters, sections and sub sections. Of course there
+is a table of contents.
+
+\CONTEXT\ can create such a document automatically if you offer the right input
+by means of a file. So first you have to create an input file. An input file
+consists of a name and an extension. You can choose any name you want but the
+extension has to be \type{.tex}. If you create a file with the name
+\type{mybook.tex} you will find no difficulties in running \CONTEXT.
+
+An \pagereference[inputfile] input file could look like this:
+
+\startbuffer
+\starttext
+
+\startstandardmakeup
+  \midaligned{From Hasselt to America}
+  \midaligned{by}
+  \midaligned{J. Jonker and C. van Marle}
+\stopstandardmakeup
+
+\placecombinedlist[content]
+
+\chapter{Introduction}
+
+... ties between Hasselt and America ...
+
+\chapter[rensselaer]{The Rensselaer family}
+
+\section{The first born}
+
+... was born in the year ...
+
+\section{The early years}
+
+... in those days Hasselt was ...
+
+\section{Living and workin in America}
+
+... life in America was ...
+
+\chapter[lansing]{The Lansing family}
+
+... the Lansing family was also ...
+
+\chapter[cuyler]{The Cuyler family}
+
+... much later Tydeman Cuyler ...
+
+\stoptext
+\stopbuffer
+
+{\switchtobodyfont[9pt]\typebuffer}
+
+\CONTEXT\ expects a plain \ASCII\ input file. Of course you can use any
+text|-|editor, as long as you save the file as standard \ASCII\ (also called txt
+file) with the extension \type{.tex}. Note that spaces in the filename are
+not allowed.
+
+The input file contains the text you want to typeset and the \CONTEXT\ commands.
+A \CONTEXT\ command begins with a backslash~\tex{}. With the command
+\type{\starttext} you indicate the beginning of your text.
+
+A command is sometimes followed by an argument which is enclosed by curly braces
+\type{{}}. The command \type{\chapter[cuyler]{The Cuyler family}} that you see in
+the example will have its effect on {\em The Cuyler family}. Its actions will
+have effect on the design, typography and structure. The actions may be:
+
+\startitemize[n,packed]
+\item start a new page
+\item increase chapter number by one
+\item place chapter number in front of chapter title
+\item reserve some vertical space
+\item use a big font
+\item put chapter title (and page number) in the table of contents
+\stopitemize
+
+Other actions concerning running heads, number resetting and interactivity are
+disregarded at this moment.
+
+Sometimes you will see two brackets (\type{[]}) directly after the command. These
+brackets are used to feed specific options to the command. Further on in this
+manual you will get more information on these brackets.
+
+The commands in your input file can have the following appearance:
+
+\starttabulate[|||]
+\HL
+\NC \bf Appearance of command  \NC \bf Example \NC\NR
+\HL
+\NC \type{\startcommand ... \stopcommand}   \NC \type{\starttext ... \stoptext} \NC\NR
+\NC \type{\startcommand[] ... \stopcommand} \NC \type{\startitemize[packed] ... \stopitemize} \NC\NR
+\NC \type{\command}                         \NC \type{\item} \NC\NR
+\NC \type{\command[]}                       \NC \type{\in[cuyler]} \NC\NR
+\NC \type{\command{}[]}                     \NC \type{\at{page}[cuyler]} \NC\NR
+\NC \type{\command{}}                       \NC \type{\index{America}} \NC\NR
+\NC \type{\command[]{}}                     \NC \type{\chapter[cuyler]{The Cuyler family}} \NC\NR
+\HL
+\stoptabulate
+
+If you have \CONTEXT\ process the above example file, you would obtain a very
+simple document with a title page, a few numbered chapters and section headers
+and a table of content (because of \type{\placecombinedlist[content]}).
+
+\stopchapter
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-enumerations.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-enumerations.tex
new file mode 100644
index 00000000000..6f2fa5f22c9
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-enumerations.tex
@@ -0,0 +1,106 @@
+\startcomponent ma-cb-en-enumerations
+
+\enablemode[**en-us]
+
+\project ma-cb
+
+\startchapter[title=Numbered definitions]
+
+\index{numbered definition}
+
+\Command{\tex{defineenumeration}}
+\Command{\tex{setupenumerations}}
+
+With \type{\defineenumeration} you can number text elements like remarks or
+questions. If you want to make numbered remarks in your document you use:
+
+\shortsetup{defineenumeration}
+
+For example:
+
+\startbuffer[a]
+\defineenumeration
+  [remark]
+  [alternative=top,
+   text=Remark,
+   inbetween={\blank[none]},
+   after=\blank]
+\stopbuffer
+
+\typebuffer[a]
+
+Now the new commands \type{\remark}, \type{\subremark}, \type{\resetremark} and
+\type{\nextremark} are available and you can type remarks like this:
+
+\startbuffer[b]
+\remark In the early medieval times Hasselt was a place of
+pilgrimage. The {\em Heilige Stede} (Holy Place) was torn down during
+the Reformation. In 1930, after 300 years, the {\em Heilige Stede} was
+reopened.
+
+\subremark Nowadays the {\em Heilige Stede} is closed again but once
+a year an open air service is held on the same spot. \par
+\stopbuffer
+
+\typebuffer[b]
+
+This becomes:
+
+\start
+\getbuffer[a]\getbuffer[b]
+\stop
+
+You can reset numbering with \type{\resetremark} or \type{\resetsubremark} or
+increment a number with \type{\nextremark} or \type{\nextsubremark}. This is
+normally done automatically per chapter, section or whatever.
+
+You can set up the layout of \type{\defineenumeration} with:
+
+\shortsetup{setupenumerations}
+
+You can also vary the layout of \type{remark} and \type{subremark} in the example
+above with:
+
+\starttyping
+\setupenumeration[remark][headstyle=bold]
+\setupenumeration[subremark][headstyle=slanted]
+\stoptyping
+
+If a number becomes obsolete you can type:
+
+\starttyping
+\remark[-]
+\stoptyping
+
+If the \type{remark} contains several paragraphs you should use the command
+pair \type{\start ... \stopremark} that becomes available after defining
+\type{remark} with \type{\defineenumeration[remark]}.
+
+\startbuffer[c]
+\setupenumeration
+   [remark]
+   [alternative=hanging,
+    width=broad]
+
+\startremark
+In the early medieval times Hasselt was a place of pilgrimage. The
+{\em Heilige Stede} (Holy Place) was torn down during the
+Reformation.
+
+After 300 years in 1930 the {\em Heilige Stede} was reopened.
+Nowadays the {\em Heilige Stede} is closed again but once a year an
+open air service is held on the same spot.
+\stopremark
+\stopbuffer
+
+\typebuffer[c]
+
+So the example above would look like this:
+
+\start
+\getbuffer[a]\getbuffer[c] \par
+\stop
+
+\stopchapter
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-errors.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-errors.tex
new file mode 100644
index 00000000000..229cb66bc48
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-errors.tex
@@ -0,0 +1,79 @@
+\startcomponent ma-cb-en-errors
+
+\enablemode[**en-us]
+
+\project ma-cb
+
+\startchapter[reference=trouble,title=Problems during processing]
+
+\index{errors}
+\index{problems}
+
+If processing is not succesful ---for example because you typed \type{\stptext}
+instead of \type{\stoptext}--- \CONTEXT\ produces a \type{ ? } on your screen
+and tells you it has just processed an error. It will give you some basic
+information on the type of error and the line number where the error becomes
+effective.
+
+At the instant of \type{ ? } you can type:
+
+\starttabulate[|||]
+\NC \type{H} \NC for help information on your error \NC\NR
+\NC \type{I} \NC for inserting the correct \CONTEXT\ command \NC\NR
+\NC \type{Q} \NC for quiting and entering batch mode \NC\NR
+\NC \type{X} \NC for exiting the running mode \NC\NR
+\NC \Enter   \NC for ignoring the error \NC\NR
+\stoptabulate
+
+Most of the time you will type \Enter\ and processing will continue. Then you can
+edit the input file and fix the error.
+
+Some errors will produce a~\type{ * } on your screen and processing will stop.
+This error is due to a fatal error in your input file. You can't ignore this
+error and the only option you have is to type \type{\stop} or {\sc Ctrl}~Z. The
+program will be halted and you can fix the error in your text editor.
+
+\startframedtext[width=\hsize]
+A well known error is:
+
+\starttyping
+! I can't write on file 'myfile.pdf'.
+Please type another filename for output:
+\stoptyping
+
+This error is due to the fact that the file \type{myfile.pdf} is stil open
+in \READER.
+
+\blank
+
+The best way to proceed is:
+
+\startitemize[packed]
+\item close the file in \READER
+\item type \Enter\ at the console
+\stopitemize
+\stopframedtext
+
+Sometimes the error messages are very obscure. Finding the location of the error
+in an extensive document can then be a tedious job. You could try to isolate
+the error:
+
+\startitemize[packed]
+\item open the file in your text editor
+\item save a copy of your file (to be on the safe side)
+\item isolate the error
+      \startitemize[n,packed]
+      \item place a \type{\stoptext} command higher up in your text
+      \item process the file
+      \item repeat step 1 and 2 until the file processes correctly
+      \stopitemize
+\item study the content that produces the error
+\item fix the error
+\item place the \type{\stoptext} command after the corrected error
+\item process your file
+\item etc.
+\stopitemize
+
+\stopchapter
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-figures.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-figures.tex
new file mode 100644
index 00000000000..90f24935948
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-figures.tex
@@ -0,0 +1,258 @@
+\startcomponent ma-cb-en-figures
+
+\enablemode[**en-us]
+
+\project ma-cb
+
+\startchapter[reference=figures,title=Figures]
+
+\index{figure}
+\seeindex{picture}{figure}
+\index{floating blocks}
+
+\Command{\tex{placefigure}}
+\Command{\tex{startfiguretext}}
+\Command{\tex{setupfigures}}
+\Command{\tex{startcombination}}
+\Command{\tex{setupfloats}}
+\Command{\tex{setupcaptions}}
+\Command{\tex{externalfigure}}
+
+Images can be placed in your document with the command \type{\externalfigure}.
+
+\startbuffer
+\externalfigure
+  [cow.pdf]
+  [width=.1\textwidth,
+   frame=on,
+   framecolor=gray,
+   frameoffset=3pt,
+   rulethickness=3pt,
+   framecorner=round]
+\stopbuffer
+
+\typebuffer
+
+Such an image will be placed on the location where you defined it \space \getbuffer
+\space and can have some strange effects on the surrounding white space. By the way,
+the cow image is always available for \CONTEXT\ users which is very convenient when
+you are testing the figure related commands.
+
+You can use the command \type{\placefigure} to influence the positioning of
+images in your document.
+
+\startbuffer
+\placefigure
+   [][fig:church]
+   {Stephanus Church.}
+   {\externalfigure[ma-cb-24][width=.4\textwidth]}
+\stopbuffer
+
+\typebuffer
+
+After processing this will come out as \in{figure}[fig:church] at the first
+available location.
+
+\getbuffer
+
+The command \type{\placefigure} handles numbering and vertical spacing before and
+after your figure. Furthermore this command initializes a float mechanism, which
+means that \CONTEXT\ looks whether there is enough space for your figure on the
+page. If not, the figure will be placed at another location and the text carries
+on, while the figure floats in your document until the optimal location is found.
+You can influence this mechanism within the first bracket
+pair.
+
+The command \type{\placefigure} is a predefined example of:
+
+\shortsetup{placefloat}
+
+A number of basic options is described in \in{table}[tab:placefigure].
+
+\placetable
+  [here]
+  [tab:placefigure]
+  {Options in \type{\placefigure}.}
+\starttable[|l|l|]
+\HL
+\NC \bf Option \NC \bf Meaning                             \NC\SR
+\HL
+\NC here       \NC put figure at this location if possible \NC\FR
+\NC force      \NC force figure placement here             \NC\MR
+\NC page       \NC put figure on its own page              \NC\MR
+\NC top        \NC put the figure at the top of the page   \NC\MR
+\NC bottom     \NC put the figure at the botom of the page \NC\MR
+\NC left       \NC place figure at the left margin         \NC\MR
+\NC right      \NC place figure at the right margin        \NC\MR
+\NC margin     \NC place figure in the margin              \NC\MR
+\NC none       \NC set no caption                          \NC\LR
+\HL
+\stoptable
+
+The second bracket pair is used for cross-referencing. You can refer to this
+particular figure by typing:
+
+\starttyping
+\in{figure}[fig:church]
+\stoptyping
+
+The first brace pair is used for the caption. You can type any text you want. The
+figure labels are set up with \type{\setupcaptions} and the numbering is (re)set
+by \type{\setupnumbering} (see \in{paragraph}[floatingblocks]).
+
+The second brace pair is used for defining the figure and addressing the file
+names of external figures.
+
+In the next example you see how \inframed{Hasselt} is defined within
+the last brace pair to show you the function of \type{\placefigure{}{}}.
+
+\startbuffer
+\placefigure
+  {The boundaries of Hasselt.}
+  {\framed{\tfd Hasselt}}
+\stopbuffer
+
+\typebuffer
+
+This will produce:
+
+\getbuffer
+
+However, your images are often created using programs like Illustrator and photos
+are --- after scanning --- improved in packages like PhotoShop. Then the images
+are available as files. \CONTEXT\ supports image file types like \type {JPG},
+\type {PNG} and (pages from) \type {PDF} files as well as \METAPOST\ output
+(\type {MPS} files). Users normally can trust \CONTEXT\ to find the best possible
+file type.
+
+In \in{figure}[fig:canals] you see a photo and a graphic combined into one
+figure.
+
+\startbuffer
+\placefigure
+  [here,force]
+  [fig:canals]
+  {The Hasselt Canals.}
+  {\startcombination[2*1]
+    {\externalfigure[ma-cb-03][width=.4\textwidth]}{a bitmap picture}
+    {\externalfigure[ma-cb-00][width=.4\textwidth]}{a vector graphic}
+   \stopcombination}
+\stopbuffer
+
+\getbuffer
+
+You can produce this figure by typing something like:
+
+\typebuffer
+
+In this figure two pictures are combined with:
+
+\shortsetup{startcombination}
+
+The \type{\start ...\stopcombination} pair is used for
+combining two pictures in one figure. You can type the number of pictures within
+the bracket pair. If you want to display one picture below the other you would
+have typed \type{[1*2]}. You can imagine what happens when you combine 6~pictures
+as \type{[3*2]} (\type{[rows*columns]}).
+
+The examples shown above are enough for creating illustrated documents. Sometimes
+however you want a more integrated layout of the picture and the text. For that
+purpose you can use \type{\start ...\stopfiguretext} command pair.
+
+\startbuffer
+\startfiguretext
+  [left,none]
+  [fig:citizens]
+  {}
+  {\externalfigure[ma-cb-18][width=.5\makeupwidth]}
+   Hasselt has always had a varying number of citizens due to
+   economic events. For example the Dedemsvaart was dug around
+   1810. This canal runs through Hasselt and therefore trade
+   flourished. This led to a population growth of almost 40\%
+   within 10~years. Nowadays the Dedemsvaart has no commercial
+   value anymore and the canals have become a tourist
+   attraction. But reminders of these prosperous times can be
+   found everywhere.
+\stopfiguretext
+\stopbuffer
+
+The effect of:
+
+\typebuffer
+
+is shown in the figure below.
+
+\start
+\setuptolerance[verytolerant]
+\getbuffer
+\stop
+
+
+\startbuffer[marginpicture]
+\inmargin
+  {\externalfigure
+     [ma-cb-23]
+     [width=.7\marginwidth]}
+\stopbuffer
+
+As you have seen you in the examples above you can summon a figure with the
+command:
+
+\shortsetup{externalfigure}
+
+The command \type{\externalfigure} has two bracket pairs. The first is used for
+the exact file name without extension, the second for file formats and
+dimensions. It is not difficult to guess what happens if you
+type:\getbuffer[marginpicture]
+
+\typebuffer[marginpicture]
+
+You can set up the layout of figures with:
+
+\shortsetup{setupfloats}
+
+You can set up the numbering and the labels with:
+
+\shortsetup{setupcaptions}
+
+\startbuffer[figuresetups]
+\setupfloat
+  [figure]
+  [default=right,
+   spacebefore=none]
+
+\setupcaptions
+  [location=bottom,
+   style=boldslanted]
+\stopbuffer
+
+\startbuffer[figuredefinition]
+\placefigure
+  {A characteristic view on Hasselt.}
+  {\externalfigure[ma-cb-12][width=6cm]}
+\stopbuffer
+
+\start
+\getbuffer[figuresetups]
+\getbuffer[figuredefinition]
+\stop
+
+These commands are typed in the set up area of your input file and have a global
+effect on all floating blocks.
+
+\typebuffer[figuresetups,figuredefinition]
+
+For figure management there are commands like \crlf
+\type{\setupexternalfigure}.
+
+Please refer to the \goto {\CONTEXTWIKI} [
+url(http://wiki.contextgarden.net/Command/defineexternalfigure) ] for practical
+applications of these commands.
+
+If you want to work with a \XML\ based figure database please see the \goto
+{Figures} [ url (manual:figures) ]
+manual.
+
+\stopchapter
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-fonts.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-fonts.tex
new file mode 100644
index 00000000000..029386ec101
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-fonts.tex
@@ -0,0 +1,299 @@
+\startcomponent ma-cb-en-fonts
+
+\enablemode[**en-us]
+
+\project ma-cb
+
+\startchapter[title=Fonts and font switches]
+
+\startsection[title=Introduction]
+
+\index{Computer Modern Roman}
+\index{Lucida Bright}
+\index{AMS}
+
+The default font in \CONTEXT\ is the {\em Computer Modern Roman} (\type{cmr}).
+In \CONTEXT\ the following fonts are available.
+
+\startplacetable[reference=tab:fonts in context,title={Fonts in \CONTEXT.}]
+\starttable[|l|l|l|]
+\HL
+\NC \bf Name              \NC \bf Logical name \NC \bf Also known as     \NC\MR
+\HL
+\NC Computer Modern Roman \NC cmr              \NC Computer Modern Roman \NC\FR
+\NC Termes                \NC termes           \NC Times New Roman       \NC\MR
+\NC Adventor              \NC adventor         \NC Avant Garde           \NC\MR
+\NC Bonum                 \NC bonum            \NC Bookman               \NC\MR
+\NC Chorus                \NC chorus           \NC Zapf Chancery         \NC\MR
+\NC Cursor                \NC cursor           \NC Courier               \NC\MR
+\NC Heros                 \NC heros            \NC Helvetica             \NC\MR
+\NC Pagella               \NC pagella          \NC Palatino              \NC\MR
+\NC Schola                \NC schola           \NC Century Schoolbook    \NC\MR
+\NC Dejavu                \NC dejavu           \NC                       \NC\MR
+\NC Iwona                 \NC iwona            \NC                       \NC\MR
+\NC Gentium               \NC gentium          \NC                       \NC\MR
+\NC Cambria               \NC cambria          \NC                       \NC\MR
+\NC Antykwa               \NC antykwa          \NC                       \NC\MR
+\NC Utopia                \NC utopia           \NC                       \NC\MR
+\NC LucidaBright          \NC lucidanova       \NC                       \NC\LR
+\HL
+\stoptable
+\stopplacetable
+
+% in map: tex-context\tex\texmf\fonts
+
+For further reading we refer to the \goto {\em Fonts in \CONTEXT}
+[ url (manual:fonts) ] manual where you can find information on how to install 
+your own font.
+
+\stopsection
+
+\startsection[title=Fontstyle and size]
+
+\index{font+style}
+\index{font+size}
+
+\Command{\tex{setupbodyfont}}
+\Command{\tex{switchtobodyfont}}
+
+You can select the font family, style and size for a document with:
+
+\shortsetup{setupbodyfont}
+
+If you typed \type{\setupbodyfont[chorus,9pt]} {\switchtobodyfont[chorus,9pt] in
+the setup area of the input file your text would look something like this.}
+
+For changes in mid-document and on section level you should use:
+
+\shortsetup{switchtobodyfont}
+
+\startbuffer
+On November 10th (one day before Saint Martinsday) the youth of
+Hasselt go from door to door to sing a special song and they
+accompany themselves on a {\em foekepot}. They won't leave
+before you give them some money or sweets. The song goes like this:
+
+\startnarrower
+\switchtobodyfont[heros,small]
+\startlines
+Foekepotterij, foekepotterij,
+Geef mij een centje dan ga'k voorbij.
+Geef mij een alfje dan blijf ik staan,
+'k Zal nog liever naar m'n arrenmoeder gaan.
+Hier woont zo'n rieke man, die zo vulle gèven kan.
+Gèf wat, old wat, gèf die arme stumpers wat,
+'k Eb zo lange met de foekepot elopen.
+'k Eb gien geld om brood te kopen.
+Foekepotterij, foekepotterij,
+Geef mij een centje dan ga'k voorbij.
+\stoplines
+\stopnarrower
+\stopbuffer
+
+\typebuffer
+
+Notice that \type{\start...\stopnarrower} is also used as a begin and end of the
+fontswitch. The function of \type{\start...\stoplines} in this example is
+obvious.
+
+\start
+\getbuffer
+\stop
+
+If you want an overview of the available font family you can type:
+
+\startbuffer
+\showbodyfont[pagella]
+\stopbuffer
+
+\typebuffer
+
+\getbuffer
+
+\stopsection
+
+\startsection[title=Style and size switch in commands]
+
+In a number of commands one of the parameters is \type{style} to indicate the
+desired typestyle. For example:
+
+\startbuffer
+\setuphead[chapter][style=\tfd]
+\stopbuffer
+
+\typebuffer
+
+In this case the character size for chapters is indicated with a command
+\type{\tfd}. But instead of a command you could use the predefined options that
+are related to the actual typeface:
+
+\startbuffer
+normal  bold  slanted  boldslanted  type  mediaeval
+small  smallbold  smallslanted  smallboldslanted smalltype
+capital cap
+\stopbuffer
+
+\typebuffer
+
+\stopsection
+
+\startsection[title=Local font style and size]
+
+\Command{\tex{rm}}
+\Command{\tex{ss}}
+\Command{\tex{tt}}
+\Command{\tex{sl}}
+\Command{\tex{bf}}
+\Command{\tex{tfa}}
+\Command{\tex{tfb}}
+\Command{\tex{tfc}}
+\Command{\tex{tfd}}
+
+In the running text (local) you can change the {\em typestyle} into roman, sans
+serif and teletype with \type{\rm}, \type{\ss} and \type{\tt}.
+
+You can change the {\em typeface} like italic and boldface with \type{\sl} and
+\type{\bf}.
+
+The {\em typesize} is changed with \type{\switchtobodyfont}.
+
+The actual style is indicated with \type{\tf}. If you want to change into a
+somewhat greater size you can type \type{\tfa}, \type{\tfb}, \type{\tfc} and
+\type{\tfd}. An addition of \type{a}, \type{b}, \type{c} and \type{d} to
+\type{\sl}, \type{\it} and \type{\bf} is also allowed.
+
+\startbuffer
+{\tfc Mintage}
+
+In the period from {\tt 1404} till {\tt 1585} Hasselt had its own
+{\sl right of coinage}. This right was challenged by other cities,
+but the {\switchtobodyfont[7pt] bishops of Utrecht} did not honour
+these {\slb protests}.
+\stopbuffer
+
+\typebuffer
+
+The curly braces indicate begin and end of style or size switches.
+
+\getbuffer
+
+\stopsection
+
+\startsection[title=Redefining fontsize]
+
+\index{fontsize}
+
+\Command{\tex{definebodyfont}}
+
+For special purposes you can define your own size of the bodyfont.
+
+\shortsetup{definebodyfont}
+
+A definition could look like this:
+
+\startbuffer
+\definebodyfont[10pt][rm][tfe=Regular at 36pt]
+
+{\tfe Hasselt!}
+\stopbuffer
+
+\typebuffer
+
+Now \type{\tfe} will produce 36pt characters saying:
+{\hbox{\getbuffer}}
+
+\stopsection
+
+\startsection[title=Small caps]
+
+\index{small caps}
+
+\Command{\tex{cap}}
+
+Abbreviations like \PDF\ (\infull{PDF}) are printed in pseudo small caps. A small
+capital is somewhat smaller than the capital of the actual typeface. Pseudo small
+caps are produced with:
+
+\shortsetup{cap}
+
+If you compare \type{\cap{hasselt}} and \type{\sc hasselt}: \cap{hasselt} and
+{\sc hasselt} you can see the difference. The command \type{\sc} shows the real
+small caps. The reason for using pseudo small caps instead of real small caps is
+just a matter of taste.
+
+\stopsection
+
+\startsection[title=Emphasized]
+
+\index{emphasized}
+
+\Command{\tex{em}}
+
+To emphasize words consistently throughout your document
+you use:
+
+\starttyping
+\em
+\stoptyping
+
+Empasized words appear in a slanted style.
+
+\startbuffer
+If you walk through Hasselt you should {\bf \em watch out} for
+{\em Amsterdammers}. An {\em Amsterdammer} is {\bf \em not} a
+person from Amsterdam but a little stone pillar used to separate
+sidewalk and road. A pedestrian should be protected by these
+{\em Amsterdammers} against cars but more often people get hurt
+from tripping over them.
+\stopbuffer
+
+\typebuffer
+
+This becomes:
+
+\getbuffer
+
+{\em An emphasize within an emphasize is {\em normal} again
+and a boldface emphasize looks like {\bf this or \em this}}.
+
+\stopsection
+
+\startsection[title=Teletype / verbatim]
+
+\index{type}
+\index{verbatim}
+
+\Command{\tex{starttyping}}
+\Command{\tex{type}}
+\Command{\tex{setuptyping}}
+\Command{\tex{setuptype}}
+
+If you want to display typed text and want to keep your line breaking exactly as
+it is you use:
+
+\shortsetup{starttyping}
+
+In the text you can use:
+
+\shortsetup{type}
+
+The curly braces enclose the text you want in teletype. You have to be careful
+with \type{\type} because the line breaking mechanism does not work anymore.
+
+You can set up the 'typing' with:
+
+\shortsetup{setuptyping}
+\shortsetup{setuptype}
+
+\stopsection
+
+\startsection[title=Encodings]
+
+In \CONTEXT\ \MKIV\ font ecoding is no issue (anymore).
+
+\stopsection
+
+\stopchapter
+
+\stopcomponent
+
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-footnotes.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-footnotes.tex
new file mode 100644
index 00000000000..5eeade3836d
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-footnotes.tex
@@ -0,0 +1,99 @@
+\startcomponent ma-cb-en-footnotes
+
+\enablemode[**en-us]
+
+\project ma-cb
+
+\startchapter[title=Footnotes]
+
+\index{footnote}
+
+\Command{\tex{footnote}}
+\Command{\tex{setupfootnotes}}
+
+If you want to annotate your text you can use \type{\footnote}. The command looks
+like this:
+
+\shortsetup{footnote}
+
+The bracket pair is optional and contains a logical name. The curly braces
+contain the text you want to display at the foot of the page.
+
+The same footnote number can be called with its logical name.
+
+\shortsetup{note}
+
+If you have typed this text:
+
+\startbuffer
+The Hanse was a late medieval commercial alliance of towns in the
+regions of the North and the Baltic Sea. The association was formed
+for the furtherance and protection of the commerce of its
+members.\footnote[war]{This was the source of jealousy and fear among
+other towns that caused a number of wars.} In the Hanse period there
+was a lively trade in all sorts of articles such as wood, wool,
+metal, cloth, salt, wine and beer.\note[war] The prosperous trade
+caused an enormous growth of welfare in the Hanseatic
+towns.\footnote{Hasselt is one of these towns.}
+\stopbuffer
+
+\typebuffer
+
+It would look like this:
+
+\getbuffer
+
+The footnote numbering is done automatically. The command \type{\setupfootnotes}
+enables you to influence the display of footnotes:
+
+\shortsetup{setupfootnotes}
+
+Footnotes can be set at the bottom of a page but also at other locations, like
+the end of a chapter. This is done with the command:
+
+\shortsetup{placefootnotes}
+
+The footnotes will be placed at the end of your document with
+\type{\setupfootnotes[location=text]} in combination with \type{\placefootnotes}
+at the desired location.
+
+You can also couple footnotes to a table. In that case we speak of local
+footnotes. The commands are:
+
+\shortsetup{startlocalfootnotes}
+
+\shortsetup{placelocalfootnotes}
+
+An example illustrates the use of local footnotes:
+
+\startbuffer
+
+\placetable[][productivity]
+  {Decline of Hasselt's productivity.\footnote{Source: {\em Uit
+   de geschiedenis van Hasselt.}}}
+  {\startlocalfootnotes
+   \starttable[|l|c|c|c|c|]
+   \HL
+   \NC
+   \NC Ovens
+   \NC Blacksmiths
+   \NC Breweries
+   \NC Tile works\footnote{The factories that produced roof tiles.} \NC\SR
+   \HL
+   \NC 1682 \NC 15 \NC 9 \NC 3 \NC 2 \NC\FR
+   \NC 1752 \NC ~6 \NC 4 \NC 0 \NC 0 \NC\LR
+   \HL
+   \NC \use5 \JustLeft{\placelocalfootnotes} \NC\FR
+   \stoptable
+   \stoplocalfootnotes}
+\stopbuffer
+
+\typebuffer
+
+This will result in \in{table}[productivity] with a local footnote. The footnote
+in the caption will appear at the bottom of the page.
+\getbuffer
+
+\stopchapter
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-framedtexts.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-framedtexts.tex
new file mode 100644
index 00000000000..2f422344b85
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-framedtexts.tex
@@ -0,0 +1,58 @@
+\startcomponent ma-cb-en-framedtexts
+
+\enablemode[**en-us]
+
+\project ma-cb
+
+\startchapter[title=Outlined paragraphs]
+
+\index{outline+paragraph}
+
+\Command{\tex{startframedtext}}
+\Command{\tex{setupframedtext}}
+
+Complete paragraphs can be outlined with:
+
+\shortsetup{startframedtext}
+
+\startbuffer
+\definefloat[intermezzo]
+\setupframedtexts
+    [width=.8\makeupwidth,
+     background=color,
+     backgroundcolor=gray,
+     corner=round,
+     framecolor=blue,
+     rulethickness=2pt]
+
+\placeintermezzo[here][block:bridge]{An intermezzo.}
+\startframedtext
+  It was essential for Hasselt to have a bridge across the Zwarte
+  Water river. The bishop of Utrecht gave Hasselt his consent in
+  1486.
+  \blank
+  Other cities in the neighbourhood of Hasselt were afraid of the
+  toll money to be paid when crossing this bridge so they
+  prevented the construction for many years.
+\stopframedtext
+\stopbuffer
+
+Let's give an example:
+
+\typebuffer
+
+This example also illustrates the command \type{\definefloat}. You can find more
+information on this command in \in{paragraph}[floatingblocks]. The \type{\blank}
+is necessary to enforce a blank line.
+
+\start
+\getbuffer
+\stop
+
+The outlining can be set up with:
+
+\shortsetup{setupframedtexts}
+
+\stopchapter
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-frames.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-frames.tex
new file mode 100644
index 00000000000..bbdb6a61cbf
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-frames.tex
@@ -0,0 +1,144 @@
+\startcomponent ma-cb-en-frames
+
+\enablemode[**en-us]
+
+\project ma-cb
+
+\startchapter[title=Outlined text]
+
+\index{outline+text}
+
+\Command{\tex{framed}}
+\Command{\tex{setupframed}}
+\Command{\tex{inframed}}
+
+You can \inframed{outline} a text with \type{\framed}. The
+command looks like this:
+
+\shortsetup{framed}
+
+The bracket pair is optional and contains the set up parameters. The curly braces
+enclose the text. To be honest, the outlined text in the first paragraph was done
+with \type{\inframed}. This command takes care of the interline spacing.
+
+Some other examples of \type{\framed} and its set up parameters are shown below.
+
+\startbuffer[a]
+\framed
+  [height=fit,
+   width=.5\textwidth]
+  {Hasselt}
+\stopbuffer
+
+\placefigure[right,none][]{}{\externalfigure[a][type=buffer]}
+\typebuffer[a]
+
+\startbuffer[b]
+\framed
+  [height=3em,
+   width=.5\textwidth]
+  {Hasselt now has more space}
+\stopbuffer
+
+\placefigure[right,none][]{}{\externalfigure[b][type=buffer]}
+\typebuffer[b]
+
+\startbuffer[d]
+\framed
+  [height=3em,
+   width=.5\textwidth,
+   foregroundcolor=red,
+   framecolor=blue]
+  {Hasselt now has some color}
+\stopbuffer
+
+\placefigure[right,none][]{}{\externalfigure[d][type=buffer]}
+\typebuffer[d]
+
+\startbuffer[e]
+\framed
+  [height=3em,
+   width=.5\textwidth,
+   foregroundcolor=red,
+   framecolor=blue,
+   rulethickness=2pt]
+  {Hasselt now has more frame}
+\stopbuffer
+
+\placefigure[right,none][]{}{\externalfigure[e][type=buffer]}
+\typebuffer[e]
+
+\startbuffer[f]
+\framed
+  [height=3em,
+   width=.5\textwidth,
+   foregroundcolor=red,
+   framecolor=blue,
+   rulethickness=2pt,
+   background=color,
+   backgroundcolor=green]
+  {Hasselt now has a colorful background}
+\stopbuffer
+
+\placefigure[right,none][]{}{\externalfigure[f][type=buffer]}
+\typebuffer[f]
+
+\startbuffer[g]
+\framed
+  [height=3em,
+   width=.5\textwidth,
+   foregroundcolor=red,
+   framecolor=blue,
+   rulethickness=2pt,
+   background=color,
+   backgroundcolor=green,
+   foregroundstyle=bold]
+  {Hasselt now has another style}
+\stopbuffer
+
+\placefigure[right,none][]{}{\externalfigure[g][type=buffer]}
+\typebuffer[g]
+
+\startbuffer[needed-for-h]
+\definecolor[a][black]
+\definecolor[b][white]
+
+\startuniqueMPgraphic{LinearShade}
+  fill OverlayBox
+    withshademethod "linear" withcolor \MPcolor{a} shadedinto \MPcolor{b} ;
+\stopuniqueMPgraphic
+
+\defineoverlay
+  [linear shade]
+  [\uniqueMPgraphic{LinearShade}]
+\stopbuffer
+
+\getbuffer[needed-for-h]
+
+\startbuffer[h]
+\framed
+  [height=3em,
+   width=.5\textwidth,
+   foregroundcolor=red,
+   framecolor=blue,
+   rulethickness=2pt,
+   background=linear shade,
+   foregroundstyle=bold]
+  {Hasselt now has a little shade}
+\stopbuffer
+
+\placefigure[right,none][]{}{\externalfigure[h][type=buffer]}
+\typebuffer[h]
+
+The shady background was defined with:
+
+\typebuffer[needed-for-h]
+
+The \type{\framed} command is very sophisticated and is used in many macros.
+The command to set up frames is:
+
+\shortsetup{setupframed}
+
+\stopchapter
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-gettingstarted.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-gettingstarted.tex
new file mode 100644
index 00000000000..6314aeec5e3
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-gettingstarted.tex
@@ -0,0 +1,46 @@
+\startcomponent ma-cb-en-gettingstarted
+
+\enablemode[**en-us]
+
+\project ma-cb
+
+\startchapter[title=How to process a file]
+
+\index{input file+processing}
+\index[pdffile]{\type{pdf}--file}
+
+In this chapter we assume that you have installed and initiated \CONTEXT\ \MKIV\
+correctly so that you can run it from the commandline in your working directory.
+You can find the \CONTEXT\ installation procedure on the \goto {\CONTEXTWIKI}
+[ url (http://wiki.contextgarden.net/ConTeXt_Standalone#Windows) ].
+
+If you want to process a \CONTEXT\ input file, you should type at the command line
+prompt:
+
+\starttyping
+context myfile.tex
+\stoptyping
+
+the extension \type{.tex} is not needed. See \in{appendices}[contextcommand] and
+\in[runtimefiles] for more information on the \type{context} command.
+
+After pressing \Enter\ processing will be started. \CONTEXT\ will show processing
+information on your screen. During the processing of your input file \CONTEXT\
+will also inform you of what it is doing with your document. For example it will
+show page numbers and information about processing steps. Further more it gives
+warnings. These are of a typographical order and tells you when line breaking is
+not successful. All information on processing is stored in a \type{log} file that
+can be used for reviewing warnings and errors and the respective line numbers
+where they occur in your file.
+
+If processing is succesful the command line prompt will return and \CONTEXT\ will
+produce the file \type{myfile.pdf}. The abbreviation \PDF\ stands for Portable
+Document Format. This is a platform independent format for printing and viewing
+with \READER.
+
+When you use a configurable text editor you can also run \CONTEXT\ from that editor.
+More information on that topic can be found \in{appendix}[texteditor].
+
+\stopchapter
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-headers.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-headers.tex
new file mode 100644
index 00000000000..d51403d5dba
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-headers.tex
@@ -0,0 +1,53 @@
+\startcomponent ma-cb-en-headers
+
+\enablemode[**en-us]
+
+\project ma-cb
+
+\startchapter[title=Page headers and footers]
+
+\index{page header}
+\index{page footer}
+
+\Command{\tex{setupfootertexts}}
+\Command{\tex{setupheadertexts}}
+\Command{\tex{setupheader}}
+\Command{\tex{setupfooter}}
+\Command{\tex{noheaderandfooterlines}}
+
+In some cases you want to give your document a page header and footer. The
+commands to do this are:
+
+\shortsetup{setupfootertexts}
+\shortsetup{setupheadertexts}
+
+The first bracket pair is used for the location of the footer or header
+(\type{text}, \type{edge} etc). Footer and header are placed within the second
+and third bracket pairs. In a double sided document a fourth and fifth bracket
+pair is used for footer and header on the left-hand side page and the right-hand
+side page. In most cases you can omit these last two bracket pairs.
+
+\startbuffer
+\setupfootertexts[Manual][section]
+\stopbuffer
+
+\typebuffer
+
+In this case the text {\em Manual} will appear in the left-hand side corner and
+the title of the actual section on the right-hand side of the page. This footer
+will change with the beginning of a new section.
+
+You can set up the layout of the header and footer with:
+
+\shortsetup{setupheader}
+\shortsetup{setupfooter}
+
+If you want to leave out the page header and footer you can type:
+
+\starttyping
+\noheaderandfooterlines
+\stoptyping
+
+\stopchapter
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-heads.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-heads.tex
new file mode 100644
index 00000000000..aa7e7b16100
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-heads.tex
@@ -0,0 +1,135 @@
+\startcomponent ma-cb-en-heads
+
+\enablemode[**en-us]
+
+\project ma-cb
+
+\startchapter[reference=heads,title=Heads]
+
+\index{headers}
+
+\Command{\tex{chapter}}
+\Command{\tex{paragraph}}
+\Command{\tex{subparagraph}}
+\Command{\tex{title}}
+\Command{\tex{subject}}
+\Command{\tex{subsubject}}
+\Command{\tex{setuphead}}
+\Command{\tex{setupheads}}
+
+The structure of a document is determined by its chapter and section titles.
+These titles are created with the commands shown in \in{table}[tab:headers]:
+
+\placetable[here][tab:headers]{Headers.}
+  {\starttable[|l|l|]
+  \HL
+  \NC \bf Numbered header   \NC \bf Unnumbered header   \NC\SR
+  \HL
+  \NC \type{\chapter}       \NC \type{\title}           \NC\FR
+  \NC \type{\section}       \NC \type{\subject}         \NC\MR
+  \NC \type{\subsection}    \NC \type{\subsubject}      \NC\MR
+  \NC \type{\subsubsection} \NC \type{\subsubsubject}   \NC\MR
+  \NC \unknown              \NC \unknown                \NC\LR
+  \HL
+  \stoptable}
+
+\shortsetup{chapter}
+\shortsetup{section}
+\shortsetup{subsection}
+\shortsetup{title}
+\shortsetup{subject}
+\shortsetup{subsubject}
+
+These commands will produce a numbered or unnumbered title in a predefined
+fontsize and fonttype with some vertical spacing before and after the header.
+
+The title commands can take several arguments, like in:
+
+\starttyping
+\title[hasselt by night]{Hasselt by night}
+\stoptyping
+
+and
+
+\starttyping
+\title{Hasselt by night}
+\stoptyping
+
+The bracket pair is optional and used for internal references. If you want to
+refer to this chapter you type for example \type{\at{page}[hasselt by night]}.
+
+For a more structured way to define chapters and sections you can use the more
+preferred \type{\start ... \stop} construction.
+
+\placetable[here][tab:headers]{Structured headers.}
+  {\starttable[|l|l|]
+  \HL
+  \NC \bf Numbered header                  \NC \bf Un-numbered header   \NC\SR
+  \HL
+  \NC \type{\start ... \stopchapter}       \NC \type{\start ... \stoptitle}           \NC\FR
+  \NC \type{\start ... \stopsection}       \NC \type{\start ... \stopsubject}         \NC\MR
+  \NC \type{\start ... \stopsubsection}    \NC \type{\start ... \stopsubsubject}      \NC\MR
+  \NC \type{\start ... \stopsubsubsection} \NC \type{\start ... \stopsubsubsubject}   \NC\MR
+  \NC \unknown                             \NC \unknown                               \NC\LR
+  \HL
+  \stoptable}
+
+In that case the definition looks like this:
+
+\starttyping
+\starttitle[reference="hasselt by night",title="Hasselt by night"}
+   ...
+\stoptitle
+\stoptyping
+
+Of course the chapter and section titles can be set to your own preferences and you can even
+define your own sections. This is done with the \type{\setuphead} and
+\type{\definehead} command.
+
+\shortsetup{definehead}
+
+\shortsetup{setuphead}
+
+\startbuffer
+\definehead
+  [myhead]
+  [section]
+
+\setuphead
+  [myhead]
+  [numberstyle=bold,
+   textstyle=bold,
+   before=\hairline\blank,
+   after=\nowhitespace\hairline]
+
+\myhead[headlines]{Hasselt makes headlines}
+\stopbuffer
+
+\typebuffer
+
+A new header \type{\myhead} is defined and it inherits the properties of
+\type{\section}. It would look something like this:
+
+\getbuffer
+
+There is one other command you should know now, and that is \type{\setupheads}.
+You can use this command to set up the numbering of the numbered chapters and
+sections. If you type:
+
+\startbuffer
+\setupheads
+  [alternative=inmargin,
+   separator=--]
+\stopbuffer
+
+\typebuffer
+
+all numbers will appear in the margin. Section 1.1 would look like 1--1.
+
+Commands like \type{\setupheads} are typed in the set up area of your input file.
+
+\shortsetup{setupheads}
+
+\stopchapter
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-interactivity.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-interactivity.tex
new file mode 100644
index 00000000000..64beb179db1
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-interactivity.tex
@@ -0,0 +1,310 @@
+\startcomponent ma-cb-en-interactivity
+
+\enablemode[**en-us]
+
+\project ma-cb
+
+\startchapter[title=Interactive mode in electronic documents,reference=interactivity]
+
+\startsection[title=Introduction]
+
+\index[reader]{\READER}
+
+Documents that are electronically available for consulting and displaying on a
+computer screen are called interactive documents.
+
+Interaction means that you can click on active areas and jump to the indicated
+locations. For example if you consult a register you can click on a (active) page
+number and you will jump to the corresponding page.
+
+Interaction relates to:
+
+\startitemize[packed]
+\item active chapter numbers in the table of content
+\item active page numbers in registers
+\item active page numbers, chapter numbers and figure numbers in internal
+      references to pages, chapters, figures etc. in the running text
+\item active titles, page numbers, and chapter numbers in external references to
+      other interactive documents
+\item active menus as navigation tools
+\item references to webpages and programs
+\stopitemize
+
+Interactivity depends on the program you use to view the interactive document. We
+assume here that you will use \READER\ for viewing.
+
+\CONTEXT\ is a very powerful system for producing electronic or interactive \PDF\
+documents. However, only a few standard features are described in this chapter. As
+the authors of this manual are planning to make all \CONTEXT\ related manuals
+electronically (sources included) available, reverse engineering is one of the
+options to become more acquainted with the possibilities of \CONTEXT.
+
+Good examples of interactive documents are \CONTEXT\ presentations (see \in{chapter}[presentations]).
+For more complex interactive \PDF\ documents with forms you should read the
+\goto {Widgets} [ url (manual:widget) ]
+manual.
+
+\stopsection
+
+\startsection[title=Interactive mode]
+
+\index{interactive mode}
+
+\Command{\tex{setupinteraction}}
+
+The interactive mode is activated by:
+
+\shortsetup{setupinteraction}
+
+For example:
+
+\startbuffer
+\setupinteraction
+  [state=start,
+   color=green,
+   style=bold]
+\stopbuffer
+
+\typebuffer
+
+The hyper links are now generated automatically and the active words are
+displayed in bold green.
+
+The interactive document is considerably bigger (in MB's) than its paper cousin
+because hyperlinks consume space. You will also notice that processing time
+becomes longer. Therefore it is advisable to de-activate the interactive mode as
+long as your document is under construction.
+
+\stopsection
+
+\startsection[title=Interaction within a document]
+
+\index{interaction+internal}
+
+\Command{\tex{in}}
+\Command{\tex{at}}
+\Command{\tex{goto}}
+
+Earlier you have seen how to make a reference with \type{\in} and \type{\at}. You
+may have wondered why you had to type \type{\in{chapter}[chap:introduction]}. In
+the first place {\em chapter} and its corresponding chapter number will not be
+separated at line breaking. In the second place the word {\em chapter} and its
+number are typeset differently in the interactive mode. This gives the user a
+larger clickable area.
+
+\stopsection
+
+\startsection[title=Interaction between documents]
+
+\index{interaction+external}
+
+\Command{\tex{from}}
+\Command{\tex{useexternaldocument}}
+
+It is possible to link one document to another. First you have to state that you
+want to refer to another document. This is done by:
+
+\shortsetup{useexternaldocument}
+
+The first bracket pair must contain a logical name of the document, the second
+pair the file name of the other document and the third pair is used for the title
+of the document.
+
+For refering to these other documents you can use:
+
+\shortsetup{from}
+
+The curly braces contain text and the brackets contain the reference.
+
+Look at the example below.
+
+\startbuffer
+\useexternaldocument
+   [hia][hasseltbook][Festivities in Hasselt]
+
+Most tourist attractions are described in \from[hia].\crlf
+A description of the \about[hia::euifeest] is found in \from[hia].\crlf
+The eui||feest is described on \at{page}[hia::euifeest] in \from[hia].\crlf
+See for more information \in{chapter}[hia::euifeest] in \from[hia].
+\stopbuffer
+
+\typebuffer
+
+The \type{\useexternaldocument} is usually typed in the set up area of your input
+file.
+
+After processing your input file and the file \type{hasseltbook.tex},
+you will have two \PDF\ documents. The references come out like this:
+
+\start
+\setupinteraction[state=start]
+\getbuffer
+\stop
+
+For more information on cross referencing look at
+\goto {\CONTEXT\ Magazine 1103} [ url (thisway:crossrefs)].
+
+\stopsection
+
+\startsection[title=Interaction with the world wide web]
+
+In interactive mode there is one other command that has little meaning in the
+paper version.
+
+\shortsetup{goto}
+
+The curly braces contain text, the brackets contain a reference (logical name or a
+location).
+
+\startbuffer
+In \goto {Hasselt} [ url(http://www.stadindex.nl/plattegrond/hasselt) ]
+all streets are build in a circular way.
+\stopbuffer
+
+\typebuffer
+
+In the interactive document \goto{Hasselt}[ url(http://www.stadindex.nl/plattegrond/hasselt) ]
+will be green and active. When you click the text you will jump to a map of Hasselt.
+
+For a consistent definition of the urls there is the command:
+
+\shortsetup{useURL}
+
+The adress is defined with:
+
+\startbuffer
+\useURL
+  [loc:cityplan]                                % id
+  [http://www.stadindex.nl/plattegrond/hasselt] % adress
+  []                                            % document
+  []                                            % text
+\stopbuffer
+
+\typebuffer
+
+The webadress is recalled by its logical name:
+\type{\goto {Hasselt} [ url(loc:cityplan) ]}.
+
+It is of good practice to define and maintain the urls in a separate
+file.
+
+\stopsection
+
+\startsection[title=Buttons]
+
+The command to define a button is:
+
+\shortsetup{button}
+
+The first bracket pair contains the setup keys, the curly brackets contain the
+button text and the last bracket pair the destination.
+
+\startbuffer
+\useexternalsoundtrack
+  [stranger][wayfaring_stranger.mp3]
+
+\button{Website Hasselt} [ url(http://www.hasselt.nl) ]
+\button{MSWord Document} [ program(hasselt.doc) ]
+\button{Sound Clip}      [ StartSound{stranger} ]
+\stopbuffer
+
+\typebuffer
+
+The first example results in a jump to a webpage, the second opens the file
+\type{hasselt.doc} in \MSWORD\ and the third plays a tune. Note the use of the
+\type{\useexternalsoundtrack} command.
+
+\stopsection
+
+\startsection[title=Menus]
+
+You can define a menu with:
+
+\shortsetup{startinteractionmenu}
+
+And set it up with:
+
+\shortsetup{setupinteractionmenu}
+
+The first bracket pair is used for its name and the second pair for setting up
+the menu.
+
+A menu can be used in an interactive document. Below you can find a simple
+example that you can copy to do some experimenting:
+
+\startbuffer
+\setuppapersize
+  [S6][S6]
+
+\setuplayout
+  [header=0cm,          topspace=.5cm, backspace=2cm,
+   margindistance=.5cm, margin=1cm,    rightmargin=0cm,
+   edgedistance=.5cm,   rightedge=2cm, width=fit,
+   height=13.8cm,       footer=1cm,    bottom=1cm]
+
+\setupinteraction
+  [state=start,         menu=on]
+
+\setupinteractionmenu
+  [bottom]
+  [background=color,    backgroundcolor=gray, frame=off]
+
+\startinteractionmenu[bottom]
+\hfill
+\startbut [content]       contents      \stopbut \quad
+\startbut [index]         index         \stopbut \quad
+\startbut [PreviousJump]  last location \stopbut \quad
+\startbut [NextPage]      next page     \stopbut \quad
+\startbut [CloseDocument] exit          \stopbut \quad
+\stopinteractionmenu
+
+\starttext
+
+\startstandardmakeup
+  \midaligned{\tfd Festivities in Hasselt}
+\stopstandardmakeup
+
+\completecontent
+
+\startchapter[title=Introduction]
+  An introduction.
+\stopchapter
+
+\startchapter[title=Kingsday]
+  Something about Kingsday in Hasselt.\index{Kingsday}
+\stopchapter
+
+\startchapter[title=Hassailt]
+  Something about Hassailt.\index{Hassailt}
+\stopchapter
+
+\startchapter[title=Euifeest,reference=euifeest]
+  Something about the Euifeest.\index{Euifeest}
+\stopchapter
+
+\completeindex
+
+\stoptext
+\stopbuffer
+
+\typebuffer
+
+The definition of the \type{\startinteractionmenu} will produce a menu at the
+bottom of every screen. The menu buttons contain the text {\em contents}, {\em
+index}, {\em last location}, {\em next page} and {\em exit} with respectively the
+following functions: jump to the table of contents, jump to the index, goto the
+last location in the document, goto next page and close the document. The labels
+to obvious destinations like \type{content} and \type{index} are predefined.
+Other predefined destinations are \type{FirstPage}, \type{LastPage},
+\type{NextPage} and \type{PreviousPage}.
+
+An action like \type{CloseDocument} is necessary to make an electronic document
+self containing. Other predefined actions you can use are \type{PrintDocument},
+\type{SearchDocument} and \type{PreviousJump}. The meaning of these actions is
+obvious.
+
+\stopsection
+
+\stopchapter
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-introduction.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-introduction.tex
new file mode 100644
index 00000000000..11acf8f9c44
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-introduction.tex
@@ -0,0 +1,33 @@
+\startcomponent ma-cb-en-introduction
+
+\project ma-cb
+
+\startchapter[title=Introduction]
+
+\CONTEXT\ is a document engineering system based on \TEX, a typesetting
+system and programming language to typeset and produce documents. Ths system is
+easy to use and enables you to make complex paper and electronic documents.
+
+This manual describes the capabilities of \CONTEXT\ \MKIV, the available commands
+and their functionality.\footnote {All paper and electronic products around
+\CONTEXT\ are produced with \CONTEXT. All sources of these products are or will
+be made available electronically to give you insight in the way these products
+are made up.}
+
+This system is developed for practical applications: the typesetting and
+production of documents ranging from simple straight forward books up to very
+complex and advanced technical manuals and textbooks in a paper or an electronic
+version. This introductory manual describes the functionality necessary to apply
+standard text elements in a manual or textbook. \CONTEXT, however, is capable of
+much more and for users who want more there are other manuals and sources
+available.
+
+\CONTEXT\ has a multi lingual interface to enable users to work with the system
+in their own language. This manual is available in Dutch and English.
+
+If you want to install \CONTEXT\ on your computer you can follow the installation
+description on the \goto {\CONTEXTWIKI} [url(install)].
+
+\stopchapter
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-itemizations.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-itemizations.tex
new file mode 100644
index 00000000000..ac711be63a2
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-itemizations.tex
@@ -0,0 +1,297 @@
+\startcomponent ma-cb-en-itemizations
+
+\enablemode[**en-us]
+
+\project ma-cb
+
+\startchapter[reference=itemize,title=Itemize]
+
+\index{itemize}
+\index{columns in itemize}
+
+\Command{\tex{startitemize}}
+\Command{\tex{setupitemize}}
+\Command{\tex{definesymbol}}
+\Command{\tex{item}}
+\Command{\tex{head}}
+
+One way of structuring your information is by way of enumeration or summing up
+items. The itemize command looks like this:
+
+\shortsetup{startitemize}
+
+For example:
+
+\startbuffer
+\startitemize[R,packed,broad]
+\item Hasselt was founded in the 14th century.
+\item Hasselt is known as a so called Hanze town.
+\item Hasselt's name stems from a tree.
+\stopitemize
+\stopbuffer
+
+\typebuffer
+
+Within the \type{\start ... \stopitemize} pair you start a new item with
+\type{\item}. The space after \type{\item} is required. In the example above
+\type{R} specifies Roman numbering and \type{packed} keeps line spacing to a
+minimum. The parameter \type{broad} takes care of the spacing between item
+separator and item. The example would produce:
+
+\getbuffer
+
+Items can be defined in a more structured way:
+
+\startbuffer
+\startitemize[R,packed,broad]
+\startitem Hasselt was founded in the 14th century. \stopitem
+\startitem Hasselt is known as a so called Hanze town. \stopitem
+\startitem Hasselt's name stems from a tree. \stopitem
+\stopitemize
+\stopbuffer
+
+\typebuffer
+
+The bracket pair contains information on item separators and local set up
+variables.
+
+\placetable
+  [here]
+  [tab:itemsetup]
+  {Item separators in itemize.}
+  {\starttable[|l|l|]
+  \HL
+  \NC \bf Argument \NC \bf Item separator symbol  \NC\SR
+  \HL
+  \NC 1            \NC $\bullet$            \NC\FR
+  \NC 2            \NC $-$                  \NC\MR
+  \NC 3            \NC $\star$              \NC\MR
+  \NC $\vdots$     \NC $\vdots$             \NC\MR
+  \NC n            \NC 1 2 3 4 $\cdots$     \NC\MR
+  \NC a            \NC a b c d $\cdots$     \NC\MR
+  \NC A            \NC A B C D $\cdots$     \NC\MR
+  \NC r            \NC i ii iii iv $\cdots$ \NC\MR
+  \NC R            \NC I II III IV $\cdots$ \NC\LR
+  \HL
+  \stoptable}
+
+You can also define your own item separator by means of \type{\definesymbol}. For
+example if you try this:
+
+\startbuffer
+\definesymbol[5][$\clubsuit$]
+
+\startitemize[5,packed]
+\item Hasselt was built on a riverdune.
+\item Hasselt lies at the crossing of two rivers.
+\stopitemize
+\stopbuffer
+
+\typebuffer
+
+You will get:
+
+\getbuffer
+
+If you want to have a sort of head within an enumeration you should use
+\type{\head} instead of \type{\item}.
+
+\startbuffer
+Hasselt lies in the province of Overijssel and there are a number
+of customs that are typical of this province.
+
+\startitemize
+
+\head kraamschudden \hfill (child welcoming)
+
+      When a child is born the neighbours come to visit the new
+      parents. The women come to admire the baby and the men come to
+      judge the baby (if it is a boy) on other aspects.
+      The neighbours will bring a {\em krentenwegge} along. A
+      krentenwegge is a loaf of currant bread of about 1 \unit{Meter}
+      long. Of course the birth is celebrated with {\em jenever}.
+
+\head nabuurschap (naberschop) \hfill (neighbourship)
+
+      Smaller communities used to be very dependent on the
+      cooperation among the members for their well being. Members of
+      the {\em nabuurschap} helped each other in difficult times
+      during harvest times, funerals or any hardship that fell upon
+      the community.
+
+\head Abraham \& Sarah  \hfill (identical)
+
+      When people turn 50 in Hasselt it is said that they see Abraham
+      or Sarah. The custom is to give these people a {\em speculaas}
+      Abraham or a Sarah. Speculaas is a kind of hard spiced biscuit.
+
+\stopitemize
+\stopbuffer
+
+\typebuffer
+
+The \type{\head} can be set up with \type{\setupitemize}. In case of a page
+breaking a \type{\head} will appear on a new page. (The \type {\unit{Meter}}
+command is explained in \in {chapter} [units].)
+
+The example of old customs will look like this:
+
+\getbuffer
+
+The set up parameters of itemize are described in \in {table} [tab:itemizesetup].
+
+\placetable
+  [here,force]
+  [tab:itemizesetup]
+  {Set up parameters in itemize.}
+  {\starttable[|l|l|]
+  \HL
+  \NC \bf Set up \NC \bf Meaning                                      \NC\SR
+  \HL
+  \NC standard   \NC standard (global) set up                         \NC\FR
+  \NC packed     \NC no vertical spacing between items                \NC\MR
+  \NC serried    \NC no horizontal spacing between separator and text \NC\MR
+  \NC joinedup   \NC no vertical spacing before and after itemize     \NC\MR
+  \NC broad      \NC horizontal spacing between separator and text    \NC\MR
+  \NC inmargin   \NC place separator in margin                        \NC\MR
+  \NC atmargin   \NC place separator on margin                        \NC\MR
+  \NC stopper    \NC place full stop after separator                  \NC\MR
+  \NC columns    \NC put items in columns                             \NC\MR
+  \NC intro      \NC prevent page breaking after introduction line    \NC\MR
+  \NC continue   \NC continue numbering or lettering                  \NC\LR
+  \HL
+  \stoptable}
+
+You can use the set up parameters in \type{\startitemize}, but for reasons of
+consistency you can make them valid for the complete document with
+\type{\setupitemize}.
+
+The parameter \type{columns} is used in conjunction with
+a (written) number. If you type this:
+
+\startbuffer
+\startitemize[n,columns,four]
+\item Achter 't Werk
+.
+.
+.
+\item Justitiebastion
+\stopitemize
+\stopbuffer
+
+\typebuffer
+
+\page[bigpreference]
+
+You will get:
+
+\startbuffer
+\startitemize[n,packed,columns,four,broad]
+\item Achter 't Werk
+\item Baangracht
+\item Brouwersgracht
+\item Eikenlaan
+\item Eiland
+\item Gasthuisstraat
+\item Heerengracht
+\item Hofstraat
+\item Hoogstraat
+\item Julianakade
+\item Justitiebastion
+\item Kaai
+\item Kalverstraat
+\item Kastanjelaan
+\item Keppelstraat
+\stopitemize
+\stopbuffer
+
+\bgroup
+\getbuffer
+\egroup
+
+Sometimes you want to continue the enumeration after a short intermezzo. Then you
+type for example \type{\startitemize[continue]} and numbering
+will continue and all other preferences are kept.
+
+\startbuffer
+\startitemize[continue]
+\item Markt
+\item Meestersteeg
+\item Prinsengracht
+\item Raamstraat
+\item Ridderstraat
+\item Rosmolenstraat
+\item Royenplein
+\item Van Nahuijsweg
+\item Vicariehof
+\item Vissteeg
+\item Watersteeg
+\item Wilhelminalaan
+\item Ziekenhuisstraat
+\stopitemize
+\stopbuffer
+
+\getbuffer
+
+The parameter \type{broad} enlarges the horizontal space between item separator
+and itemtext.
+
+\shortsetup{setupitemize}
+
+An itemize within an itemize is automatically typeset in a correct way. For
+example if you type:
+
+\startbuffer
+In the Netherlands the cities can determine the height of a number of
+taxes. So the cost of living can differ from town to town. There are
+differences of up to 50\% in taxes such as:
+
+\setupitemize[2][width=5em]
+\startitemize[n]
+
+\item[estate tax] real estate tax
+
+      The real estate tax is divided into two components:
+
+      \startitemize[a,packed]
+      \item the ownership tax
+      \item the tenant tax
+      \stopitemize
+
+      If the real estate has no tenant the owner pays both components.
+
+\item dog licence fee
+
+      The owner of one or more dogs pays a fee. When a dog has died
+      or been sold the owner has to inform city hall.
+
+\stopitemize
+\stopbuffer
+
+\typebuffer
+
+then the horizontal space between item separator and text at the second level of
+itemizing is set with \type{\setupitemize[2][width=5em]}.
+
+The example will look like this:
+
+\start
+\getbuffer
+\stop
+
+You can refer to an item if you give it a label (see \type{\item[estate tax]}).
+If you then type:
+
+\startbuffer
+\in{In item}[estate tax] we discussed one of the income sources of Hasselt.
+\stopbuffer
+
+\typebuffer
+
+You'll get a reference to that item:
+
+\getbuffer
+
+\stopchapter
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-layout.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-layout.tex
new file mode 100644
index 00000000000..243f96b15a2
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-layout.tex
@@ -0,0 +1,241 @@
+\startcomponent ma-cb-en-layout
+
+\enablemode[**en-us]
+
+\project ma-cb
+
+\startchapter[title=Page layout]
+
+\index{layout}
+\index{page design}
+
+\Command{\tex{setuplayout}}
+\Command{\tex{adaptlayout}}
+\Command{\tex{showlayout}}
+\Command{\tex{showframe}}   % VZ 2006-11-15
+\Command{\tex{showsetups}}
+\Command{\tex{showmakeup}}
+\Command{\tex{startlocal}}
+
+\startsection[title=Introduction]
+
+The {\em Layouts in \CONTEXT} manual by Willy Egger contains the necessary
+background information on page layout and design. Below you will find only the
+basic information necessary for defining rather simple layouts for paper and
+screen documents.
+
+For more information (examples and usage) on the \type{\setuplayout} command
+please refer to the
+\goto {\CONTEXTWIKI} [ url(http://wiki.contextgarden.net/Layout) ].
+
+\stopsection
+
+\startsection[title=Designing the pagelayout]
+
+To be able to design a page layout you have to familiarize yourself with the
+pagemodel of \CONTEXT. \in{Figure}[fig:pageareas] shows the areas on a page
+that you can use in your design.
+
+\placefigure
+  [here]
+  [fig:pageareas]
+  {The page areas.}
+  {\externalfigure[fig-page-areas-en.pdf][width=.75\hsize]}
+
+The orange bodytext area contains the running text. The top, bottom, and edge
+area are useful for buttons in screen documents.
+
+Please keep in mind that in \CONTEXT\ you are defining|/|designing a
+right-hand page. Only after you have setup
+\type{\setuppagenumbering[alternative=doublesided]} the left page
+is available (mirrored right page).
+
+\starthiding
+  % AFO: this is the file minibook-en.tex in graphics map
+  \setuppapersize[A10][A10]
+  \setuplayout[cutspace=2mm,backspace=6mm,width=15mm]
+  \setupbodyfont[6pt]
+  \setuppagenumbering[state=stop]
+  \setupbackgrounds[text][text][background=color,backgroundcolor=orange]
+  \setupbackgrounds[header,text,footer][leftmargin][background=color,backgroundcolor=lightgreen]
+  \setupbackgrounds[header,text,footer][leftmargin,text,rightmargin][frame=on]
+  \setupfootertexts[margin][\midaligned{l}][\midaligned{r}][\midaligned{r}][\midaligned{l}]
+  \starttext
+  \midaligned{design page} \page
+  \setuppagenumbering[alternative={singlesided}]
+  \inmargin{\midaligned{m}}\midaligned{left page}  \page
+  \inmargin{\midaligned{m}}\midaligned{right page} \page
+  \setuppagenumbering[alternative={singlesided,doublesided}]
+  \inmargin{\midaligned{m}}\midaligned{left page}  \page
+  \inmargin{\midaligned{m}}\midaligned{right page} \page
+  \setuppagenumbering[alternative={doublesided}]
+  \inmargin{\midaligned{m}}\midaligned{left page}  \page
+  \inmargin{\midaligned{m}}\midaligned{right page}
+  \stoptext
+\stophiding
+
+\placefigure
+  [here]
+  [fig:sidedness]
+  {Page alternatives.}
+  {\startcombination[3*1]
+    {\externalfigure[minibook-en.pdf][type=pdf,page=2,width=2.4cm]\externalfigure[minibook-en.pdf][type=pdf,page=3,width=2.4cm]}{singlesided}
+    {\externalfigure[minibook-en.pdf][type=pdf,page=4,width=2.4cm]\externalfigure[minibook-en.pdf][type=pdf,page=5,width=2.4cm]}{single-double}
+    {\externalfigure[minibook-en.pdf][type=pdf,page=6,width=2.4cm]\externalfigure[minibook-en.pdf][type=pdf,page=7,width=2.4cm]}{doublesided}
+   \stopcombination}
+
+Note in \in{figure}[fig:sidedness] that:
+
+\startitemize[packed]
+\item the margintext (\type{\inmargin{m}}) is always in the left margin
+\item the footertext in the margin (\type{\setupfootertexts[margin][l][r][r][l]}) adapts automatically
+\item the page is completely mirrored when \type{alternative=doublesided}
+\stopitemize
+
+When designing a page ask yourself a few questions:
+
+\startitemize[packed]
+\item do I want margin texts or margin figures
+\item will I use the margin for the section numbering
+\item do I have footer and/or header texts
+\item do I want a double sided layout (right--left page mirrored)
+\item do I use ornaments (like tabs) on the page
+\item do I have navigational buttons (screen documents)
+\stopitemize
+
+\stopsection
+
+\startsection[title=Defining the papersize / screensize]
+
+Before you can set up your page layout you have to have an idea about the paper
+dimensions. The cutmarks connected by the dashed lines in \in{figure}[fig:pageareas]
+indicate the papersize. In \CONTEXT\ you set up your papersize with:
+
+\shortsetup{\tex{setuppapersize}}
+
+Most common predefined papersizes in \CONTEXT\ are A0..A10 and B1..B10 for paper
+and S3..S8 for screen documents.
+
+Mostly you will use the default setup:
+
+\startbuffer
+\setuppapersize
+  [A4][A4]
+\stopbuffer
+
+\typebuffer
+
+But you can also define your own paper size for specific products:
+
+\startbuffer
+\definelayout
+  [postcard]
+  [width=15cm,
+   height=10cm]
+\stopbuffer
+
+\typebuffer
+
+\stopsection
+
+\startsection[title=Defining the page layout]
+
+The page layout is defined by:
+
+\shortsetup{setuplayout}
+
+This command is typed in the set up area of your input file.
+
+\placefigure
+  [here]
+  [fig:pageparameters]
+  {The page parameters.}
+  {\externalfigure[fig-page-parameters-en.pdf][width=.8\hsize]}
+
+The layout of this manual was set with:
+
+\startbuffer
+\setuplayout
+  [backspace=3cm,
+   margin=2cm,
+   margindistance=.5cm,
+   width=15cm,
+   topspace=2cm,
+   header=2cm,
+   footer=2cm,
+   height=25.7cm]
+\stopbuffer
+
+\typebuffer
+
+If you want to look at your page layout you can type the command
+\type{\showframe} and process one page or the whole file. The areas are shown in
+a number of frames.
+
+The command \type{\showsetups} shows the values of the parameters. A combination
+of both commands is \type{\showlayout}.
+
+The values of the layout parameters are available as commands. This enables you
+to work more accurately when defining measures of columns, figures and tables. A
+few of these parameters are explained in \in{table}[tab:fewparameters].
+
+\placetable
+  [here,force]
+  [tab:fewparameters]
+  {A few parameters as commands.}
+\starttable[|l|l|]
+\HL
+\NC \bf Commands         \NC \bf Meaning               \NC\SR
+\HL
+\NC \type{\makeupwidth}  \NC width of the typing area  \NC\FR
+\NC \type{\makeupheight} \NC height of the typing area \NC\MR
+\NC \type{\textwidth}    \NC width of the text area    \NC\MR
+\NC \type{\textheight}   \NC height of the text area   \NC\LR
+\HL
+\stoptable
+
+If you want to define the width of a column or the height of a figure you can do
+it relative to the \type{\makeupwidth} or \type{\makeupheight}. Changes in this
+width or height will alter columns and figures proportionally.
+
+\startbuffer
+\placefigure
+  [here]
+  [fig:stepgable]
+  {A stepgable.}
+  {\externalfigure[ma-cb-19][width=.6\textwidth]}
+\stopbuffer
+
+\typebuffer
+
+After processing this would become:
+
+\getbuffer
+
+The other available values are (shown with \type{\showsetups}):
+
+\startcolumns
+\switchtobodyfont[8pt]
+\showsetups
+\stopcolumns
+
+The parameter values have a global effect and are default throughout the
+document. Nevertheless you might want to make slight changes in the page design
+for a number of pages.
+
+\startbuffer
+\adaptlayout[21,38][height=+.5cm]
+\stopbuffer
+
+\typebuffer
+
+In this case page 21 and 38 have a height of .5~cm + \type{textheight}.
+
+It is advisable not to use these local changes too often. It is always better to
+alter the text than to change the page layout.
+
+\stopsection
+
+\stopchapter
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-margintexts.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-margintexts.tex
new file mode 100644
index 00000000000..54ed6db6a7b
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-margintexts.tex
@@ -0,0 +1,100 @@
+\startcomponent ma-cb-en-margintexts
+
+\enablemode[**en-us]
+
+\project ma-cb
+
+\startchapter[title=Margin texts]
+
+\index{margin text}
+
+\Command{\tex{margintext}}
+\Command{\tex{inmargin}}
+\Command{\tex{inleft}}
+\Command{\tex{inright}}
+\Command{\tex{margintitle}}
+
+It is very easy to put text in the margin. You just use \type{\inmargin}.
+
+\shortsetup{inmargin}
+
+You may remember one of the earlier examples:
+
+\startbuffer[marginpicture]
+\inmargin
+  {\externalfigure
+     [ma-cb-23]
+     [width=.6\marginwidth]}
+\stopbuffer
+
+\typebuffer[marginpicture]
+
+This would result in a figure in the \pagereference [marginpicture]
+margin. You can imagine that it looks quite nice in some
+documents. But be careful. The margin is rather small so the figure could become
+very marginal.
+
+A few other examples are shown in the text below.\getbuffer
+[marginpicture]
+
+\startbuffer
+The Ridderstraat (Street of knights) \inmargin{Street of\\Knights}
+is an obvious name. In the 14th and 15th centuries, nobility and
+prominent citizens lived in this street. Some of their big houses
+were later turned into poorhouses \inright{poorhouse}and old
+peoples homes.
+
+Up until \inleft[low]{\tfc 1940}1940 there was a synagog in the
+Ridderstraat. Some 40 Jews gathered there to celebrate their
+sabbath. During the war all Jews were deported to Westerbork and
+then to the extermination camps in Germany and Poland. None of
+the Jewish families returned. The synagog was knocked down in
+1958.
+\stopbuffer
+
+\typebuffer
+
+The commands \type{\inmargin}, \type{\inleft} and \type{\inright} all have the
+same function. In a two sided document \type{\inmargin} puts the margin text in
+the correct margin. The \type{\\} is used for line breaking. The example above
+would look like this:
+
+\getbuffer
+
+You can set up the margin text with:
+
+\shortsetup{setupinmargin}
+
+Other commands that you can use for forcing text into the margin
+are listed in \in{table}[tab:margincommands].
+
+\placetable
+  [here]
+  [tab:margincommands]
+  {Overview of margin commands.}
+  {\starttable[|l|l|]
+  \HL
+  \NC \bf Command           \NC \bf Meaning \NC\SR
+  \HL
+  \NC \type{\ininner}       \NC text in inner margin \NC\FR
+  \NC \type{\inouter}       \NC text in outer margin \NC\MR
+  \NC \type{\inright}       \NC text in right margin \NC\MR
+  \NC \type{\inleft}        \NC text in left margin \NC\MR
+  \NC \type{\inmargin}      \NC text in the margin \NC\MR
+  \NC \type{\inothermargin} \NC text in other margin \NC\MR
+  \NC \type{\margintext}    \NC text in the margin \NC\LR
+  \HL
+  \stoptable}
+
+If you want to place more extensive text blocks in the margin there is the
+command:
+
+\shortsetup{marginblock}
+
+and the accompanying command:
+
+\shortsetup{setupmarginblocks}
+
+\stopchapter
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-math.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-math.tex
new file mode 100644
index 00000000000..c1430603f3f
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-math.tex
@@ -0,0 +1,524 @@
+\startcomponent ma-cb-en-math
+
+\enablemode[**en-us]
+
+\project ma-cb
+
+\startchapter[reference=formulas,title=Typesetting math]
+
+\startsection[title=Introduction]
+
+\index {math}
+
+\TEX\ is {\em the} typesetting program for math. However, this is not the
+extensive chapter on typesetting math you might expect. We advise you to do some
+further reading on typesetting formulas in \TEX. See for example: \footnote{In
+this introduction on typesetting math we relied on the booklet {\em \TEX niques}
+by Arthur Samuel.}
+
+\startitemize[packed]
+\item {\em The \TeX Book} by D.E. Knuth
+\item {\em The Beginners Book of \TeX} by S. Levy and R. Seroul
+\stopitemize
+
+\startsection[title=Typesetting math]
+
+\index {math mode}
+\index {display mode}
+\index {text mode}
+
+Normally different conventions are applied for typesetting normal text and math
+text. These conventions are \quote{known} by \TEX\ and applied accordingly when
+generating a document. We can rely on \TEX\ for delivering high quality math
+output.
+
+A number of conventions for math are:
+
+\startitemize[n,packed]
+
+\item Characters are typeset in $math\ italic$ (don't confuse this with the
+      normal {\it italic characters} in a font).
+
+\item Symbols like Greek characters ($\alpha$, $\chi$) and math symbols ($\leq$,
+      $\geq$, $\in$) are used.
+
+\item Spacing will differ from normal spacing.
+
+\item Math expressions have a different alignment than that of the running text.
+
+\item The sub and superscripts are downsized automatically, like in $a^{b}_{c}$.
+
+\item Certain symbols have different appearances in the inline and display mode.
+
+\stopitemize
+
+When typesetting math you have to work in the so called math mode in which math
+expressions can be defined by means of plain \TEX||commands.
+
+Math mode has two alternatives: text mode and display mode. Math in text
+mode is activated by \type{$} and \type{$}, while display mode is activated by
+\type{$$} and \type{$$}. In \CONTEXT\ however, display mode is activated with
+the \type{\start ... \stopformula} command pair to have more grip on vertical
+spacing around the formula.
+
+\startbuffer
+The municipality of Hasselt covers an area of 42,05 \unit{Square Kilo
+Meter}. Now, if you consider a circular area of this size with the
+market place of Hasselt as the center point $M$ you can calculate its
+diameter with ${{1}\over{4}} \pi r^2$.
+\stopbuffer
+
+\typebuffer
+
+This will become:
+
+\getbuffer
+
+The many \type{{}} (grouping) in ${{1}\over{4}} \pi r^2$ are essential for
+separating operations in the expression. If you omit the outer curly braces like
+this: \type{${1}\over{4} \pi r^2$}, you would get a non desired result:
+${1}\over{4} \pi r^2$.
+
+The letters and numbers are typeset in three different sizes: text size $a+b$,
+script size $\scriptstyle a+b$ and scriptscript size $\scriptscriptstyle a+b$.
+These can be influenced by the commands \type{\scriptstyle} and
+\type{\scriptscriptstyle}.
+
+Symbols like $\int$ and $\sum$ will have a different form in text and display
+mode. If we type \type {$\sum_{n=1}^{m}$} or \type {$\int_{-\infty}^{+\infty}$}
+we will get {$\sum_{n=1}^{m}$} and {$\int_{-\infty}^{+\infty}$}. But when you
+type:
+
+\startbuffer
+\startformula
+  \sum_{n=1}^{m} \quad {\rm and} \quad \int_{-\infty}^{+\infty}
+\stopformula
+\stopbuffer
+
+\typebuffer
+
+to get displaymode you get:
+
+\getbuffer
+
+With the commands \type {\nolimits} and \type{\limits} you can influence the
+appearances of \type{\sum} and \type{\int}:
+
+\startbuffer
+\startformula
+  \sum_{n=1}^{m}\nolimits
+  \quad {\rm and} \quad
+  \int_{-\infty}^{+\infty}\limits
+\stopformula
+\stopbuffer
+
+\typebuffer
+
+which will result in:
+
+\getbuffer
+
+For typesetting fractions there is the command \type {\over}. In \CONTEXT\ you
+can use the alternative \type {\frac}. For ${\frac{a}{1+b}}+c$ we type for
+instance \type {${\frac{a}{1+b}}+c$}.
+
+Other commands to put one thing above the other, are:
+
+\startbuffer[atop]
+${a} \atop {b}$
+\stopbuffer
+\startbuffer[choose]
+${n+1} \choose {k}$
+\stopbuffer
+\startbuffer[brack]
+${m} \brack {n}$
+\stopbuffer
+\startbuffer[brace]
+${m} \brace {n-1}$
+\stopbuffer
+
+\starttabulate[|l|l|l|l|]
+\NC \type {\atop}
+\NC \typebuffer[atop]
+\NC \mathstrut\getbuffer[atop]
+\NC
+\NC\NR
+\NC \type {\choose}
+\NC \typebuffer[choose]
+\NC
+\NC \mathstrut\getbuffer[choose]
+\NC\NR
+\NC \type {\brack}
+\NC \typebuffer[brack]
+\NC \mathstrut\getbuffer[brack]
+\NC
+\NC\NR
+\NC \type {\brace}
+\NC \typebuffer[brace]
+\NC
+\NC \mathstrut\getbuffer[brace]
+\NC\NR
+\stoptabulate
+
+\TEX\ can enlarge delimiters like (~) and $\{~\}$ automatically if the left and
+right delimiter is preceeded by the commands \type {\left} and \type {\right}
+respectively. If you type:
+
+\startbuffer
+\startformula
+  1+\left(\frac{1}{1-x^{x-2}}\right)^3
+\stopformula
+\stopbuffer
+
+\typebuffer
+
+you will get:
+
+\getbuffer
+
+Sub and superscripts are invoked by \quote {\type{_}} and \quote {\type{^}}. They
+have effect on the next first character so grouping with $\{$~$\}$ is necessary
+in case of multi character sub and superscripts.
+
+In certain situations the delimiters can be preceeded by \type{\bigl},
+\type{\Bigl}, \type{\biggl} and \type{\Biggl} and their right counterparts. Even
+bigger delimiters can be produced by placing \type{\left} and \type{\right} in a
+\type{\vbox} construction. When we type a senseless expression like:
+
+\startbuffer
+\startformula
+  \left(\vbox to 16pt{}x^{2^{2^{2^{2}}}}\right)
+\stopformula
+\stopbuffer
+
+\typebuffer
+
+we get:
+
+\getbuffer
+
+In display mode the following delimiters will work in the automatic enlargement
+mechanism:
+
+\starttabulate[|l|l|l|l|l|l|l|l|]
+\NC \type{\lfloor}      \NC $\lfloor$
+\NC \type{\langle}      \NC $\langle$
+\NC \type{\vert}        \NC $\vert$
+\NC \type{\downarrow}   \NC $\downarrow$
+\NC\NR
+\NC \type{\rfloor}      \NC $\rfloor$
+\NC \type{\rangle}      \NC $\rangle$
+\NC \type{\Vert}        \NC $\Vert$
+\NC \type{\Downarrow}   \NC $\Downarrow$
+\NC\NR
+\NC \type{\lceil}       \NC $\lceil$
+\NC \type{/}            \NC $/$
+\NC \type{\uparrow}     \NC $\uparrow$
+\NC \type{\updownarrow} \NC $\updownarrow$
+\NC\NR
+\NC \type{\rceil}       \NC $\rceil$
+\NC \type{\backslash}   \NC $\backslash$
+\NC \type{\Uparrow}     \NC $\Uparrow$
+\NC \type{\Updownarrow} \NC $\Updownarrow$
+\NC\NR
+\stoptabulate
+
+In display mode we should typeset only one fraction and otherwise switch to the
+\type{a/b} notation. To get:
+
+\startformula
+  a_0 + {\frac{a}{a_1 + \frac{1}{a_2}}}
+\stopformula
+
+we will not type:
+
+\startbuffer
+\startformula
+  a_0+{\frac{a}{a_1+\frac{1}{a_2}}}
+\stopformula
+\stopbuffer
+
+\typebuffer
+
+but prefer:
+
+\startbuffer
+\startformula
+  a_0 + {\frac{a}{a_1 + 1/a_2}}
+\stopformula
+\stopbuffer
+
+\typebuffer
+
+to obtain:
+
+\getbuffer
+
+In addition we could also use the command \type{\displaystyle}. If we would type:
+
+\startbuffer
+\startformula
+  a_0 + {\frac{a}{a_1 + \frac{1}{\strut \displaystyle a_2}}}
+\stopformula
+\stopbuffer
+
+\getbuffer
+
+we will get:
+
+\getbuffer
+
+Below we demonstrate the commands \type{\matrix}, \type{\pmatrix}, \type{\ldots},
+\type{\cdots} and \type{\cases} without any further explanation.
+
+\startbuffer[a]
+\startformula
+\stopbuffer
+
+\startbuffer[c]
+\stopformula
+\stopbuffer
+
+\startbuffer[b]
+  A=\left(\matrix{x-\lambda & 1         & 0         \cr
+                  0         & x-\lambda & 1         \cr
+                  0         & 0         & x-\lambda \cr}\right)
+\stopbuffer
+
+\typebuffer[a,b,c] \startformula\getbuffer[b]\stopformula
+
+\startbuffer[b]
+  A=\left|\matrix{x-\mu& 1     & 0     \cr
+                  0    & x-\mu & 1     \cr
+                  0    & 0     & x-\mu \cr}\right|
+\stopbuffer
+
+\typebuffer[a,b,c] \startformula\getbuffer[b]\stopformula
+
+\startbuffer[b]
+  A=\pmatrix{a_{11} & a_{12} & \ldots & a_{1n} \cr
+             a_{21} & a_{22} & \ldots & a_{2n} \cr
+             \vdots & \vdots & \ddots & \vdots \cr
+             a_{m1} & a_{m2} & \ldots & a_{mn} \cr}
+\stopbuffer
+
+\typebuffer[a,b,c] \startformula\getbuffer[b]\stopformula
+
+\startbuffer[b]
+  A=\pmatrix{a_{11} & a_{12} & \ldots & a_{1n} \cr
+             a_{21} & a_{22} & \ldots & a_{2n} \cr
+             \vdots & \vdots & \ddots & \vdots \cr
+             a_{m1} & a_{m2} & \ldots & a_{mn} \cr}
+\stopbuffer
+
+\typebuffer[a,b,c] \startformula\getbuffer[b]\stopformula
+
+\startbuffer[b]
+  |x|=\cases{ x, & if $x\geq0$; \cr
+             -x, & otherwise    \cr}
+\stopbuffer
+
+\typebuffer[a,b,c] \startformula\getbuffer[b]\stopformula
+
+To typeset normal text in a math expression we have to consider the following.
+First a space is not typeset in math mode so we have to enforce one with
+\type{ \ } (backslash). Second we have to indicate a font switch, because the text should
+not appear in $math\ italic$ but in the actual font. So in \CONTEXT\ we have to
+type:
+
+\startbuffer
+\startformula
+  x^3+{\tf lower\ order\ terms}
+\stopformula
+\stopbuffer
+
+\typebuffer
+
+to get:
+
+\getbuffer
+
+The math functions like $\sin$ and $\tan$ that have to be typeset in the actual
+font are predefined functions in \TEX:
+
+\starttabulate[|l|l|l|l|l|l|l|l|]
+\NC \type{\arccos} \NC \type{\cos} \NC \type{\csc} \NC \type{\exp} \NC \type{\ker} \NC \type{\limsup} \NC \type{\min} \NC \type{\sinh} \NC\NR
+\NC \type{\arcsin} \NC \type{\cosh} \NC \type{\deg} \NC \type{\gcd} \NC \type{\lg} \NC \type{\ln} \NC \type{\Pr} \NC \type{\sup} \NC\NR
+\NC \type{\arctan} \NC \type{\cot} \NC \type{\det} \NC \type{\hom} \NC \type{\lim} \NC \type{\log} \NC \type{\sec} \NC \type{\tan} \NC\NR
+\NC \type{\arg} \NC \type{\coth} \NC \type{\dim} \NC \type{\inf} \NC \type{\liminf} \NC \type{\max} \NC \type{\sin} \NC \type{\tanh} \NC\NR
+\stoptabulate
+
+If we type the sinus or limit function:
+
+\startbuffer
+\startformula
+  \sin 2\theta=2\sin\theta\cos\theta
+  \quad {\tf or} \quad
+  \lim_{x\to0}{\frac{\sin x}{x}}=1
+\stopformula
+\stopbuffer
+
+\typebuffer
+
+we get:
+
+\getbuffer
+
+Alignment in math expressions may need special attention. In multi line
+expressions we sometimes need alignment at the \quote {$=$} sign. This is done by
+the command \type{\eqalign}. If we type:
+
+\startbuffer
+\startformula
+  \eqalign{
+    ax^2+bx+c &= 0                                \cr
+    x         &= \frac{-b \pm \sqrt{b^2-4ac}}{2a} \cr}
+\stopformula
+\stopbuffer
+
+\typebuffer
+
+we get:
+
+\getbuffer
+
+Sometimes alignment at more than one location is wanted. Watch the second line in
+the next example and see how it is defined:
+
+\startbuffer
+\startformula
+  \eqalign{
+    ax+bx+\cdots+yx+zx &         = x(a +b+ \cdots \cr
+                       &\phantom{= x(a~}+y+z)     \cr
+                       &         = y              \cr}
+\stopformula
+\stopbuffer
+
+\typebuffer
+
+This results in:
+
+\getbuffer
+
+Next to the command \type{\phantom} there are \type{\hphantom} without height and
+depth and \type{\vphantom} without width.
+
+You can rely on \TEX\ for spacing within a math expression. In some situations,
+however you may want to influence spacing. This is done by:
+
+\starttabulate[|l|r|]
+\NC \type{\!} \NC $-\frac{1}{6}$\type{\quad} \NC\NR
+\NC \type{\,} \NC $\frac{1}{6}$\type{\quad}  \NC\NR
+\NC \type{\>} \NC $\frac{2}{9}$\type{\quad}  \NC\NR
+\NC \type{\;} \NC $\frac{5}{18}$\type{\quad} \NC\NR
+\stoptabulate
+
+These \quote {spaces} are related to \type {\quad} that stands for the width of
+the capital \quote{M}.
+
+The use of the command \type{\prime} speaks for itself. For example if would want
+$y_1^\prime+y_2^{\prime\prime}$ you should type
+\type{$y_1^\prime+y_2^{\prime\prime}$}.
+
+An expression like $\root 3 \of {x^2+y^2}$ is obtained by \type{$\root 3 \of
+{x^2+y^2}$}.
+
+At the end of this section we point to the command \type{\mathstrut} which we can
+use to enforce consistency, for example within the root symbol. With
+\type{$\sqrt{\mathstrut a}+\sqrt{\mathstrut d}+\sqrt{\mathstrut y}$} we will get
+$\sqrt{\mathstrut a}+\sqrt{\mathstrut d}+\sqrt{\mathstrut y}$ in stead of
+$\sqrt{a}+\sqrt{d}+\sqrt{y}$.
+
+See \in{appendix}[overviews] for a complete overview of math commands.
+
+\stopsection
+
+\startsection[title=Placing formulas]
+
+\index{formula}
+
+\Command{\tex{placeformula}}
+\Command{\tex{startformula}}
+\Command{\tex{setupformulas}}
+
+You can typeset numbered formulas with:
+
+\shortsetup{placeformula}
+\shortsetup{startformula}
+
+Two examples:
+
+\startbuffer
+\placeformula[formula:aformula]
+  \startformula
+     y=x^2
+  \stopformula
+
+\placeformula
+  \startformula
+    \int_0^1 x^2 dx
+  \stopformula
+\stopbuffer
+
+\typebuffer
+
+\getbuffer
+
+The command \type{\placeformula} handles spacing around the formulas and the
+numbering. The bracket pair is optional and is used for referencing and to switch
+numbering on and off.
+
+\startbuffer
+\placeformula[first one]
+\startformula
+  y=x^2
+\stopformula
+
+\placeformula[middle one]
+\startformula
+  y=x^3
+\stopformula
+
+\placeformula[last one]
+\startformula
+  y=x^4
+\stopformula
+\stopbuffer
+
+\getbuffer
+
+\in{Formula}[middle one] was typed like this:
+
+\startbuffer
+\placeformula[middle one]
+  \startformula
+     y=x^3
+  \stopformula
+\stopbuffer
+
+\typebuffer
+
+The lable \type{[middle one]} is used for refering to this formula. Such a
+reference is made with \type{\in{formula}[middle one]}.
+
+If no numbering is required you type:
+
+\type{\placeformula[-]}
+
+Numbering of formulas is set up with \type{\setupnumbering}. In this manual
+numbering is set up with \type{\setupnumbering[way=bychapter]}. This means that
+the chapter number preceeds the formula number and numbering is reset with each
+new chapter. For reasons of consistency the tables, figures, intermezzi etc. are
+numbered in the same way. Therefore you use \type{\setupnumbering} in the set up
+area of your input file.
+
+Formulas can be set up with:
+
+\shortsetup{setupformulae}
+
+\stopsection
+
+\stopchapter
+
+\stopcomponent
+
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-mathcharacters.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-mathcharacters.tex
new file mode 100644
index 00000000000..d7f09e89a32
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-mathcharacters.tex
@@ -0,0 +1,330 @@
+\startcomponent ma-cb-en-mathcharacters
+
+\enablemode[**en-us]
+
+\project ma-cb
+
+\startchapter[reference=overviews,title=Commands in math mode]
+
+\index{symbols in math mode}
+
+\startsection[title=Greek characters]
+
+\starttabulate[|l|l|l|l|l|l|l|l|l|]
+\NC           \NC $\alpha$      \NC \type{\alpha}
+\NC           \NC $\iota$       \NC \type{\iota}
+\NC           \NC $\varrho$     \NC \type{\varrho}    \NC\NR
+\NC           \NC $\beta$       \NC \type{\beta}
+\NC           \NC $\kappa$      \NC \type{\kappa}
+\NC $\Sigma$  \NC $\sigma$      \NC \type{\sigma}     \NC\NR
+\NC $\Gamma$  \NC $\gamma$      \NC \type{\gamma}
+\NC $\Lambda$ \NC $\lambda$     \NC \type{\lambda}
+\NC           \NC $\varsigma$   \NC \type{\varsigma}  \NC\NR
+\NC $\Delta$  \NC $\delta$      \NC \type{\delta}
+\NC           \NC $\mu$         \NC \type{\mu}
+\NC           \NC $\tau$        \NC \type{\tau}       \NC\NR
+\NC           \NC $\epsilon$    \NC \type{\epsilon}
+\NC           \NC $\nu$         \NC \type{\nu}
+\NC           \NC $\upsilon$    \NC \type{\upsilon}   \NC\NR
+\NC           \NC $\varepsilon$ \NC \type{\varepsilon}
+\NC $\Xi$     \NC $\xi$         \NC \type{\xi}
+\NC $\Phi$    \NC $\phi$        \NC \type{\phi}       \NC\NR
+\NC           \NC $\zeta$       \NC \type{\zeta}
+\NC           \NC $o$           \NC \type{o}
+\NC           \NC $\varphi$     \NC \type{\varphi}    \NC\NR
+\NC           \NC $\eta$        \NC \type{\eta}
+\NC $\Pi$     \NC $\pi$         \NC \type{\pi}
+\NC           \NC $\chi$        \NC \type{\chi}       \NC\NR
+\NC $\Theta$  \NC $\theta$      \NC \type{\theta}
+\NC           \NC $\varpi$      \NC \type{\varpi}
+\NC $\Psi$    \NC $\psi$        \NC \type{\psi}       \NC\NR
+\NC           \NC $\vartheta$   \NC \type{\vartheta}
+\NC           \NC $\rho$        \NC \type{\rho}
+\NC $\Omega$  \NC $\omega$      \NC \type{\omega}     \NC\NR
+\stoptabulate
+
+\stopsection
+
+\startsection[title=Special symbols]
+
+\starttabulate[|l|l|l|l|l|l|]
+\NC $\aleph$       \NC \type{\aleph}
+\NC $\prime$       \NC \type{\prime}
+\NC $\forall$      \NC \type{\forall}
+\NC\NR
+\NC $\hbar$        \NC \type{\hbar}
+\NC $\emptyset$    \NC \type{\emptyset}
+\NC $\exists$      \NC \type{\exists}
+\NC\NR
+\NC $\imath$       \NC \type{\imath}
+\NC $\nabla$       \NC \type{\nabla}
+\NC $\neg$         \NC \type{\neg}
+\NC\NR
+\NC $\jmath$       \NC \type{\jmath}
+\NC $\surd$        \NC \type{\surd}
+\NC $\flat$        \NC \type{\flat}
+\NC\NR
+\NC $\ell$         \NC \type{\ell}
+\NC $\top$         \NC \type{\top}
+\NC $\natural$     \NC \type{\natural}
+\NC\NR
+\NC $\wp$          \NC \type{\wp}
+\NC $\bot$         \NC \type{\bot}
+\NC $\sharp$       \NC \type{\sharp}
+\NC\NR
+\NC $\Re$          \NC \type{\Re}
+\NC $\Vert$        \NC \type{\Vert}
+\NC $\clubsuit$    \NC \type{\clubsuit}
+\NC\NR
+\NC $\Im$          \NC \type{\Im}
+\NC $\angle$       \NC \type{\angle}
+\NC $\diamondsuit$ \NC \type{\diamondsuit}
+\NC\NR
+\NC $\partial$     \NC \type{\partial}
+\NC $\triangle$    \NC \type{\triangle}
+\NC $\heartsuit$   \NC \type{\heartsuit}
+\NC\NR
+\NC $\infty$       \NC \type{\infty}
+\NC $\backslash$   \NC \type{\backslash}
+\NC $\spadesuit$   \NC \type{\spadesuit}
+\NC\NR
+\stoptabulate
+
+\stopsection
+
+\startsection[title=Operators in addition to $+$, $-$ and $*$]
+
+\starttabulate[|l|l|l|l|l|l|]
+\NC $\pm$              \NC \type{\pm}
+\NC $\cap$             \NC \type{\cap}
+\NC $\vee$             \NC \type{\vee}
+\NC\NR
+\NC $\mp$              \NC \type{\mp}
+\NC $\cup$             \NC \type{\cup}
+\NC $\wedge$           \NC \type{\wedge}
+\NC\NR
+\NC $\setminus$        \NC \type{\setminus}
+\NC $\uplus$           \NC \type{\uplus}
+\NC $\oplus$           \NC \type{\oplus}
+\NC\NR
+\NC $\cdot$            \NC \type{\cdot}
+\NC $\sqcap$           \NC \type{\sqcap}
+\NC $\ominus$          \NC \type{\ominus}
+\NC\NR
+\NC $\times$           \NC \type{\times}
+\NC $\sqcup$           \NC \type{\sqcup}
+\NC $\otimes$          \NC \type{\otimes}
+\NC\NR
+\NC $\ast$             \NC \type{\ast}
+\NC $\triangleleft$    \NC \type{\triangleleft}
+\NC $\oslash$          \NC \type{\oslash}
+\NC\NR
+\NC $\star$            \NC \type{\star}
+\NC $\triangleright$   \NC \type{\triangleright}
+\NC $\odot$            \NC \type{\odot}
+\NC\NR
+\NC $\diamond$         \NC \type{\diamond}
+\NC $\wr$              \NC \type{\wr}
+\NC $\dagger$          \NC \type{\dagger}
+\NC\NR
+\NC $\circ$            \NC \type{\circ}
+\NC $\bigcirc$         \NC \type{\bigcirc}
+\NC $\ddagger$         \NC \type{\ddagger}
+\NC\NR
+\NC $\bullet$          \NC \type{\bullet}
+\NC $\bigtriangleup$   \NC \type{\bigtriangleup}
+\NC $\amalg$           \NC \type{\amalg}
+\NC\NR
+\NC $\div$             \NC \type{\div}
+\NC $\bigtriangledown$ \NC \type{\bigtriangledown}
+\NC ~                  \NC ~
+\NC\NR
+\stoptabulate
+
+\stopsection
+
+\startsection[title=Operators]
+
+\starttabulate[|l|l|l|l|l|l|]
+\NC $\sum$       \NC \type{\sum}
+\NC $\prod$      \NC \type{\prod}
+\NC $\coprod$    \NC \type{\coprod}
+\NC\NR
+\NC $\int$       \NC \type{\int}
+\NC $\oint$      \NC \type{\oint}
+\NC $\bigcap$    \NC \type{\bigcap}
+\NC\NR
+\NC $\bigcup$    \NC \type{\bigcup}
+\NC $\bigsqcup$  \NC \type{\bigsqcup}
+\NC $\bigvee$    \NC \type{\bigvee}
+\NC\NR
+\NC $\bigwedge$  \NC \type{\bigwedge}
+\NC $\bigodot$   \NC \type{\bigodot}
+\NC $\bigotimes$ \NC \type{\bigotimes}
+\NC\NR
+\NC $\bigoplus$  \NC \type{\bigoplus}
+\NC $\biguplus$  \NC \type{\biguplus}
+\NC              \NC
+\NC\NR
+\stoptabulate
+
+\stopsection
+
+\startsection[title=Relation in addition to $>$, $<$ and $=$]
+
+\starttabulate[|l|l|l|l|l|l|]
+\NC $\leq$        \NC \type{\leq}
+\NC $\geq$        \NC \type{\geq}
+\NC $\equiv$      \NC \type{\equiv}
+\NC\NR
+\NC $\prec$       \NC \type{\prec}
+\NC $\succ$       \NC \type{\succ}
+\NC $\sim$        \NC \type{\sim}
+\NC\NR
+\NC $\preceq$     \NC \type{\preceq}
+\NC $\succeq$     \NC \type{\succeq}
+\NC $\simeq$      \NC \type{\simeq}
+\NC\NR
+\NC $\ll$         \NC \type{\ll}
+\NC $\gg$         \NC \type{\gg}
+\NC $\asymp$      \NC \type{\asymp}
+\NC\NR
+\NC $\subset$     \NC \type{\subset}
+\NC $\supset$     \NC \type{\supset}
+\NC $\approx$     \NC \type{\approx}
+\NC\NR
+\NC $\subseteq$   \NC \type{\subseteq}
+\NC $\supseteq$   \NC \type{\supseteq}
+\NC $\cong$       \NC \type{\cong}
+\NC\NR
+\NC $\sqsubseteq$ \NC \type{\sqsubseteq}
+\NC $\sqsupseteq$ \NC \type{\sqsupseteq}
+\NC $\bowtie$     \NC \type{\bowtie}
+\NC\NR
+\NC $\in$         \NC \type{\in}
+\NC $\ni$         \NC \type{\ni}
+\NC $\propto$     \NC \type{\propto}
+\NC\NR
+\NC $\vdash$      \NC \type{\vdash}
+\NC $\dashv$      \NC \type{\dashv}
+\NC $\models$     \NC \type{\models}
+\NC\NR
+\NC $\smile$      \NC \type{\smile}
+\NC $\mid$        \NC \type{\mid}
+\NC $\doteq$      \NC \type{\doteq}
+\NC\NR
+\NC $\frown$      \NC \type{\frown}
+\NC $\parallel$   \NC \type{\parallel}
+\NC $\perp$       \NC \type{\perp}
+\NC\NR
+\stoptabulate
+
+\stopsection
+
+\startsection[title=Negated relations]
+
+\starttabulate[|l|l|l|l|l|l|]
+\NC $\not<$           \NC \type{\not}\type{<}
+\NC $\not>$           \NC \type{\not}\type{>}
+\NC $\not=$           \NC \type{\not}\type{=}
+\NC\NR
+\NC $\not\leq$        \NC \type{\not}\type{\leq}
+\NC $\not\geq$        \NC \type{\not}\type{\geq}
+\NC $\not\equiv$      \NC \type{\not}\type{\equiv}
+\NC\NR
+\NC $\not\prec$        \NC \type{\not}\type{\prec}
+\NC $\not\succ$        \NC \type{\not}\type{\succ}
+\NC $\not\sim$         \NC \type{\not}\type{\sim}
+\NC\NR
+\NC $\not\preceq$      \NC \type{\not}\type{\preceq}
+\NC $\not\succeq$      \NC \type{\not}\type{\succeq}
+\NC $\not\simeq$       \NC \type{\not}\type{\simeq}
+\NC\NR
+\NC $\not\subset$      \NC \type{\not}\type{\subset}
+\NC $\not\supset$      \NC \type{\not}\type{\supset}
+\NC $\not\approx$      \NC \type{\not}\type{\approx}
+\NC\NR
+\NC $\not\subseteq$    \NC \type{\not}\type{\subseteq}
+\NC $\not\supseteq$    \NC \type{\not}\type{\supseteq}
+\NC $\not\cong$        \NC \type{\not}\type{\cong}
+\NC\NR
+\NC $\not\sqsubseteq$  \NC \type{\not}\type{\sqsubseteq}
+\NC $\not\sqsupseteq$  \NC \type{\not}\type{\sqsupseteq}
+\NC $\not\asymp$       \NC \type{\not}\type{\asymp}
+\NC\NR
+\stoptabulate
+
+\stopsection
+
+\startsection[title=Some arrows]
+
+\starttabulate[|l|l|l|l|l|l|]
+\NC $\leftarrow$          \NC \type{\leftarrow}
+\NC $\longleftarrow$      \NC \type{\longleftarrow}
+\NC $\uparrow$            \NC \type{\uparrow}
+\NC\NR
+\NC $\Leftarrow$          \NC \type{\Leftarrow}
+\NC $\Longleftarrow$      \NC \type{\Longleftarrow}
+\NC $\Uparrow$            \NC \type{\Uparrow}
+\NC\NR
+\NC $\rightarrow$         \NC \type{\rightarrow}
+\NC $\longrightarrow$     \NC \type{\Rightarrow}
+\NC $\downarrow$          \NC \type{\downarrow}
+\NC\NR
+\NC $\Rightarrow$         \NC \type{\Rightarrow}
+\NC $\Longrightarrow$     \NC \type{\Longrightarrow}
+\NC $\Downarrow$          \NC \type{\Downarrow}
+\NC\NR
+\NC $\leftrightarrow$     \NC \type{\leftrightarrow}
+\NC $\longleftrightarrow$ \NC \type{\longleftrightarrow}
+\NC $\updownarrow$        \NC \type{\updownarrow}
+\NC\NR
+\NC $\Leftrightarrow$     \NC \type{\Leftrightarrow}
+\NC $\Longleftrightarrow$ \NC \type{\Longleftrightarrow}
+\NC $\Updownarrow$        \NC \type{\Updownarrow}
+\NC\NR
+\NC $\mapsto$             \NC \type{\mapsto}
+\NC $\longmapsto$         \NC \type{\longmapsto}
+\NC $\nearrow$            \NC \type{\nearrow}
+\NC\NR
+\NC $\searrow$            \NC \type{\searrow}
+\NC $\swarrow$            \NC \type{\swarrow}
+\NC $\nwarrow$            \NC \type{\nwarrow}
+\NC\NR
+\NC $\hookleftarrow$      \NC \type{\hookleftarrow}
+\NC $\hookrightarrow$     \NC \type{\hookrightarrow}
+\NC ~ \NC ~
+\NC\NR
+\stoptabulate
+
+\stopsection
+
+\startsection[title=Alternative commands]
+
+\starttabulate[|l|l|l|l|l|l|l|l|l|l|]
+\NC $\ne$   \NC \type{\ne}
+\NC $\{$    \NC {\tttf\leftargument}
+\NC $\land$ \NC \type{\land}
+\NC $\to$   \NC \type{\to}
+\NC $\vert$ \NC \type{\vert}
+\NC\NR
+\NC $\le$   \NC \type{\le}
+\NC $\}$    \NC {\tttf\rightargument}
+\NC $\lor$  \NC \type{\lor}
+\NC $\gets$ \NC \type{\gets}
+\NC $\Vert$ \NC \type{\Vert}
+\NC\NR
+\NC $\ge$   \NC \type{\ge}
+\NC $\owns$ \NC \type{\owns}
+\NC $\lnot$ \NC \type{\lnot}
+\NC \NC
+\NC \NC
+\NC\NR
+\stoptabulate
+
+\stopsection
+
+\stopchapter
+
+\stopcomponent
+
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-metapost.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-metapost.tex
new file mode 100644
index 00000000000..e50bed03652
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-metapost.tex
@@ -0,0 +1,75 @@
+\startcomponent ma-cb-en-metapost
+
+\enablemode[**en-us]
+
+\project ma-cb
+
+\startchapter[title=Graphical extension / \METAPOST]
+
+\index[metapost]{\METAPOST}
+\index{graphical features}
+
+The graphical possibilities of \TEX||related macro packages are rather limited.
+However, by using the graphical package \METAPOST\ of John Hobby a complete range
+of graphical features has become available that may improve the look of your
+documents.
+
+In \CONTEXT\ there is a direct link to \METAPOST\ so users can apply the features
+of \METAPOST\ directly into their documents. The chapter headers and page numbers
+of this manual are extended by some graphical elements that are generated by
+\METAPOST.
+
+If you look carefully at these \METAPOST\ extensions you will notice a lot of
+contextual adaptation (width and height dependend) and randomization. So you can do
+things in your document that are not possible in other typesetting applications.
+
+A more practical example (for a mathematician at least) is drawn in \in {figure}
+[fig:metapostexample]:
+
+\startbuffer
+\startreusableMPgraphic{origin}
+  path pb; pb:=(5.5cm,0cm)..(10.5cm,0cm);
+  path qb; qb:=(8cm,-1cm)..(8cm,2.5cm);
+  pickup pencircle scaled 0.5mm;
+  drawarrow pb;
+  drawarrow qb;
+  draw thelabel.rt(btex $x$ etex,(10.6cm,0cm));
+  draw thelabel.top(btex $y$ etex,(8cm,2.6cm));
+  path l; l:=(5.5cm,-0.5cm)..(10.5cm,2cm);
+  pickup pencircle scaled 0.3mm;
+  draw l withcolor blue ;
+  pair A; A:=(6cm,-0.25cm);
+  pair B; B:=(9.3cm,1.4cm);
+  pair C; C:=(9.3cm,-0.25cm);
+  pickup pencircle scaled 0.15cm;
+  drawdot A; drawdot B; drawdot C;
+  draw thelabel.lrt(btex $\scriptstyle P_1(x_1,y_1)$ etex ,A);
+  draw thelabel.lrt(btex $\scriptstyle P_2(x_2,y_2)$ etex ,B);
+  draw thelabel.bot(btex $\scriptstyle P(x_2,y_1)$ etex ,C);
+  path s; s:=A..(9.3cm,-0.25cm);
+  draw s dashed (evenly scaled 1mm) withpen pencircle scaled 0.3mm;
+  path t; t:=B..(9.3cm,-0.25cm);
+  draw t dashed (evenly scaled 1mm) withpen pencircle scaled 0.3mm;
+\stopreusableMPgraphic
+\stopbuffer
+
+\getbuffer
+
+\placefigure
+  [here]
+  [fig:metapostexample]
+  {\METAPOST\ example.}
+  {\reuseMPgraphic{origin}}
+
+This example is taken from the mathematical text book {\em Algetrigulus} by
+Philip Brown. All graphics in his book are made by means of \METAPOST. This
+one is defined by:
+
+\typebuffer
+
+The usage and features of \METAPOST\ within \CONTEXT\ are described in the
+extensive \goto {\METAFUN\ manual} [ url (manual:metafun) ].
+
+\stopchapter
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-modules.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-modules.tex
new file mode 100644
index 00000000000..4f92e8e4764
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-modules.tex
@@ -0,0 +1,45 @@
+\startcomponent ma-cb-en-modules
+
+\enablemode[**en-us]
+
+\project ma-cb
+
+\startchapter[title=Using modules]
+
+%% VZ: many new modules was added (see ma-cb-cz-modules.tex)
+
+\index{module}
+
+\Command{\tex{usemodule}}
+
+For reasons of efficiency \CONTEXT\ comes with a number of modules that contain
+specific functionality. Loading a module is done in the set up area of your input
+file by means of:
+
+\shortsetup{usemodule}
+
+When you load a module \CONTEXT\ looks for a file with the following (prefix-)name:
+
+\startitemize[packed]
+\item m-modulename (core module)
+\item p-modulename (private module)
+\item s-modulename (\CONTEXT\ style file)
+\item x-modulename (XML module)
+\item t-modulename (third party module)
+\item modulename
+\stopitemize
+
+A few example core modules are:
+
+\startitemize[packed]
+\item m-fields        (\type{m-fields.mkiv}): for PDF forms
+\item m-morse         (\type{m-morse.mkvi}): for morse
+\item m-spreadsheet   (\type{m-spreadsheet.mkiv}): for spreadsheets
+\item m-visual        (\type{m-visual.mkiv}): for visual debugging
+\item m-zint          (\type{m-zint.mkiv}): for generating bar codes
+\item s-pre-**        (\type{s-pre-**}): for presentations
+\stopitemize
+
+\stopchapter
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-pagebackgrounds.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-pagebackgrounds.tex
new file mode 100644
index 00000000000..ff7bf0b4d90
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-pagebackgrounds.tex
@@ -0,0 +1,93 @@
+\startcomponent ma-cb-en-pagebackgrounds
+
+\enablemode[**en-us]
+
+\project ma-cb
+
+\startchapter[title=Backgrounds in page areas]
+
+\index{page areas}
+\index{background+page areas}
+
+\Command{\tex{setupbackgrounds}}
+
+The page background can be set, with:
+
+\shortsetup{setupbackgrounds}
+
+The first two bracket pairs are used to define the page areas. The last bracket
+pair is used for set up.
+
+\startbuffer
+\hbox
+  {\framed[width=1.5cm,frame=off]                   {}
+   \framed[width=2cm,frame=off]                     {left}
+   \framed[width=2.5cm,frame=off]                   {left}
+   \framed[width=3cm,frame=off]                     {text}
+   \framed[width=2.5cm,frame=off]                   {right}
+   \framed[width=2cm,frame=off]                     {right}}
+\hbox
+  {\framed[width=1.5cm,frame=off]                   {}
+   \framed[width=2cm,frame=off]                     {edge}
+   \framed[width=2.5cm,frame=off]                   {margin}
+   \framed[width=3cm,frame=off]                     {}
+   \framed[width=2.5cm,frame=off]                   {margin}
+   \framed[width=2cm,frame=off]                     {edge}}
+\hbox
+  {\framed[width=1.5cm,frame=off]                   {top}
+   \framed[width=2cm]                               {}
+   \framed[width=2.5cm]                             {}
+   \framed[width=3cm]                               {}
+   \framed[width=2.5cm]                             {}
+   \framed[width=2cm]                               {}}
+\hbox
+  {\framed[width=1.5cm,frame=off]                   {header}
+   \framed[width=2cm]                               {}
+   \framed[width=2.5cm,background=screen]           {}
+   \framed[width=3cm,background=screen]             {}
+   \framed[width=2.5cm,background=screen]           {}
+   \framed[width=2cm]                               {}}
+\hbox
+  {\framed[width=1.5cm,frame=off,height=3cm]        {text}
+   \framed[width=2cm,height=3cm]                    {}
+   \framed[width=2.5cm,height=3cm,background=screen]{}
+   \framed[width=3cm,height=3cm,background=screen]  {}
+   \framed[width=2.5cm,height=3cm,background=screen]{}
+   \framed[width=2cm,height=3cm]                    {}}
+\hbox
+  {\framed[width=1.5cm,frame=off]                   {footer}
+   \framed[width=2cm]                               {}
+   \framed[width=2.5cm,background=screen]           {}
+   \framed[width=3cm,background=screen]             {}
+   \framed[width=2.5cm,background=screen]           {}
+   \framed[width=2cm]                               {}}
+\hbox
+  {\framed[width=1.5cm,frame=off]                   {bottom}
+   \framed[width=2cm]                               {}
+   \framed[width=2.5cm]                             {}
+   \framed[width=3cm]                               {}
+   \framed[width=2.5cm]                             {}
+   \framed[width=2cm]                               {}}
+\stopbuffer
+
+\placefigure
+  [here]
+  [fig:pageareas]
+  {The page areas defined in \type{\setupbackgrounds}.}
+  {\tt\getbuffer}
+
+If you want to have backgrounds in the gray areas of the page layout of
+\in{figure}[fig:pageareas] you type:
+
+\startbuffer
+\setupbackgrounds
+  [header,text,footer]
+  [leftmargin,text,rightmargin]
+  [background=screen]
+\stopbuffer
+
+\typebuffer
+
+\stopchapter
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-pages.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-pages.tex
new file mode 100644
index 00000000000..61e2d6ce991
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-pages.tex
@@ -0,0 +1,208 @@
+\startcomponent ma-cb-en-pages
+
+\enablemode[**en-us]
+
+\project ma-cb
+
+\startchapter[title=Page breaking and page numbering]
+
+\index{page breaking}
+\index{page numbering}
+
+\Command{\tex{page}}
+\Command{\tex{setuppagenumbering}}
+\Command{\tex{setupuserpagenumber}}
+
+\startsection[title=Page break]
+
+A page can be enforced or blocked by:
+
+\shortsetup{page}
+
+The options can be stated within the brackets. The options and their meaning are
+presented in \in{table}[tab:page options].
+
+\placetable
+  []
+  [tab:page options]
+  {Page options.}
+\starttable[|l|l|]
+\HL
+\NC \bf Option \NC \bf Meaning \NC\SR
+\HL
+\NC \type{yes}           \NC enforce a page \NC\FR
+\NC \type{makeup}        \NC enforce a page without filling \NC\MR
+\NC \type{no}            \NC no page \NC\MR
+\NC \type{preference}    \NC prefer a new page here \NC\MR
+\NC \type{bigpreference} \NC great preference for a new page here \NC\MR
+\NC \type{left}          \NC next page is a left handside page \NC\MR
+\NC \type{right}         \NC next page is a right handside page \NC\MR
+\NC \type{disable}       \NC following commands have no effect \NC\MR
+\NC \type{last}          \NC add pages till even number is reached \NC\MR
+\NC \type{quadruple}     \NC add pages till a multiple of four is reached  \NC\MR
+\NC \type{even}          \NC next page is even \NC\MR
+\NC \type{odd}           \NC next page in odd  \NC\MR
+\NC \type{blank}         \NC no page number  \NC\MR
+\NC \type{empty}         \NC insert an empty page \NC\MR
+\NC \type{reset}         \NC following commands do have effect \NC\MR
+\NC \type{start}         \NC from now on page commands have effect \NC\MR
+\NC \type{stop}          \NC from now on page commands have no effect \NC\LR
+\HL
+\stoptable
+
+\stopsection
+
+\startsection[title=Page numbering]
+
+Numbering pages is done automatically by \CONTEXT. However, numbering the pages
+the way you want it may take some effort.
+
+A rather simple \type{\start ... \stoptext} document will be numbered from
+$1 .. n$ (where $n$ is the last page). If you want your document to number
+its pages alphabetical you can type:
+
+\startbuffer
+\setupuserpagenumber
+    [numberconversion=character]
+\stopbuffer
+
+\typebuffer
+
+in the setup area of your file.
+
+You can enforce a page number with:
+
+\starttyping
+\setupuserpagenumber[number=25]
+\stoptyping
+
+\shortsetup{setupuserpagenumber}
+
+The options of the \type{\setupuserpagenumber} command are given in
+\in{table}[tab:user page number options].
+
+\placetable
+  []
+  [tab:user page number options]
+  {Page numbering: numbering options.}
+\starttable[|l|l|]
+\HL
+\NC \bf Option \NC \bf Meaning \NC\SR
+\HL
+\NC \type{way}                 \NC how to number the document \NC\FR
+\NC \type{prefix}              \NC use pagenumber prefix \NC\MR
+\NC \type{prefixset}           \NC use defined prefixset \NC\MR
+\NC \type{prefixseparatorset}  \NC use defined separator \NC\MR
+\NC \type{state}               \NC start -- stop page numbering \NC\MR
+\NC \type{number}              \NC define page number \NC\MR
+\NC \type{numberconversion}    \NC convert page number \NC\MR
+\NC \type{numberconversionset} \NC used defined conversion set \NC\LR
+\HL
+\stoptable
+
+The \type{prefixset}, \type{prefixseparatorset} and the \type{numberconversionset}
+options are defined with the \type{\defineprefixset}, \type{\defineseparatorset}
+and \type{\defineconversionset} respectively.
+
+This manual uses the \CONTEXT\ standard document section blocks: frontpart,
+bodymatter and appendices. These section blocks are numbered with roman
+characters, numeral digits and characters respectively.
+
+\startbuffer
+\defineconversionset
+  [frontpart:pagenumber][][romannumerals]
+
+\defineconversionset
+  [bodypart:pagenumber] [][numbers]
+
+\defineconversionset
+  [appendix:pagenumber] [][Characters]
+\stopbuffer
+
+\typebuffer
+
+At the start of each section block the number is reset to i, 1 and A respectively.
+
+The same effect would have been obntained with:
+
+\startbuffer
+\startsectionblockenvironment[frontpart]
+  \setupuserpagenumber[numberconversion=romannumerals]
+\stopsectionblockenvironment
+\stopbuffer
+
+\typebuffer
+
+Page numbering and the location of the page numbers can be set up with:
+
+\shortsetup{setuppagenumbering}
+
+The options of this command are shown in \in{table}[tab:page numbering options]:
+
+\placetable
+  []
+  [tab:page numbering options]
+  {Page numbering: layout options.}
+\starttable[|l|l|]
+\HL
+\NC \bf Option \NC \bf Meaning \NC\SR
+\HL
+\NC \type{alternative}     \NC page layout: single or double sided \NC\MR
+\NC \type{location}        \NC location of page number on page \NC\MR
+\NC \type{width}           \NC width of pagen umber \NC\MR
+\NC \type{left}            \NC text left of page number \NC\MR
+\NC \type{right}           \NC text right of page number \NC\MR
+\NC \type{page}            \NC \unknown \NC\MR
+\NC \type{state}           \NC start -- stop page numbering  \NC\MR
+\NC \type{command}         \NC invoke command \NC\MR
+\NC \type{style}           \NC set character style \NC\MR
+\NC \type{color}           \NC set color \NC\LR
+\HL
+\stoptable
+
+Note that this is also the command that indicates that your document is single or
+double sided which has an effect on the left-right page layout.
+
+\startbuffer
+\setuppagenumbering
+  [alternative=doublesided]
+\stopbuffer
+
+\typebuffer
+
+In this manual page numbering is set up with:
+
+\starttyping
+\setuppagenumbering
+  [location={footer,middle},
+   command=\NummerCommando]
+\stoptyping
+
+The \type{\NummerCommando} uses \METAPOST\ to draw a unique random image around
+each page number.
+
+You can recal a page number with \type{\userpagenumber}. If you set up your headertext
+with:
+
+\startbuffer
+  \setupheadertexts
+    [Page \userpagenumber\ of \lastuserpagenumber]
+\stopbuffer
+
+\typebuffer
+
+You would get a header with the actual page number and the total of pages (in that
+section block).
+
+The actual page number and the real page number may differ since there may be pages
+or sections that in your document that are not numbered. If you feel the need to
+display the real page number there is the command \type{\realpagenumber}.
+
+Please refer to the \goto {\CONTEXTWIKI} [
+url(http://wiki.contextgarden.net/Command/setupuserpagenumber) ] for more
+details.
+
+\stopchapter
+
+\stopcomponent
+
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-paragraphs.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-paragraphs.tex
new file mode 100644
index 00000000000..668b6ab01ce
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-paragraphs.tex
@@ -0,0 +1,280 @@
+\startcomponent ma-cb-en-paragraphs
+
+\enablemode[**en-us]
+
+\project ma-cb
+
+\startchapter[title=Paragraph spacing]
+
+\startsection[title=Introduction]
+
+\index{paragraph}
+
+\Command{\tex{par}}
+\Command{\tex{paragraph}}
+
+In \TEX\ and \CONTEXT\ the most important unit of text is the paragraph. You can
+start a new paragraph by:
+
+\startitemize[packed]
+\item an empty line
+\item the \TEX\ command \type{\par}
+\stopitemize
+
+In your \ASCII\ input file you should use empty lines as paragraph separators.
+This will lead to a readable, clearly structured and well organized file and will
+prevent mistakes.
+
+In situations where a command has to be closed explicitly you should use
+\type{\par}.
+
+\startbuffer
+During one of the wars Hasselt lay under siege. After some
+time the city was famine stricken, everything edible was
+eaten. Except for one cow. The cow was kept alive and
+treated very well. \par
+Once a day the citizens of Hasselt took the cow for a walk
+on the ramparts. The besiegers saw the well fed cow and
+became very discouraged. They broke up their camps and
+Hasselt was saved. \par
+In the Hoogstraat in Hasselt there is a stone tablet with a
+representation of the cow that commemorates the siege and
+the shrewdness of the citizens of Hasselt.
+\stopbuffer
+
+\typebuffer
+
+This could also be typed without \type{\par}s and a few empty lines.
+
+\startbuffer
+During one of the wars Hasselt lay under siege. After some
+time the city was famine stricken, everything edible was
+eaten. Except for one cow. The cow was kept alive and
+treated very well.
+
+Once a day the citizens of Hasselt took the cow for a walk
+on the ramparts. The besiegers saw the well fed cow and
+became very discouraged. They broke up their camps and
+Hasselt was saved.
+
+In the Hoogstraat in Hasselt there is a stone tablet with a
+representation of the cow that commemorates the siege and
+the wisdom of the citizens of Hasselt.
+\stopbuffer
+
+\typebuffer
+
+\stopsection
+
+\startsection[title=Inter paragraph spacing]
+
+\index{inter paragraph spacing}
+
+\Command{\tex{setupwhitespace}}
+\Command{\tex{nowhitespace}}
+\Command{\tex{whitespace}}
+\Command{\tex{startlinecorrection}} % VZ 2006-11-15 setup->start
+\Command{\tex{blank}}
+\Command{\tex{setupblank}}
+\Command{\tex{startpacked}}
+\Command{\tex{startunpacked}}
+
+The vertical spacing between paragraphs can be specified by:
+
+\shortsetup{setupwhitespace}
+
+This document is produced with \type{\setupwhitespace[medium]}.
+
+When inter paragraph spacing is specified there are two commands available that
+are seldom needed:
+
+\starttyping
+\nowhitespace
+\whitespace
+\stoptyping
+
+When a paragraph consists of a horizontal line or a framed text like this:
+
+\startbuffer
+\framed{Ridderstraat 27, 8061GH Hasselt}
+\stopbuffer
+
+\getbuffer
+
+Sometimes spacing is suboptimal. For that purpose you could carry out a
+correction with:
+
+\shortsetup{startlinecorrection}
+
+So if you would type:
+
+\startbuffer
+\startlinecorrection
+\framed{Ridderstraat 27, 8061GH Hasselt}
+\stoplinecorrection
+\stopbuffer
+
+\typebuffer
+
+you will get a better output. Only use these commands if really needed!
+
+\getbuffer
+
+Another command to deal with vertical spacing is:
+
+\shortsetup{blank}
+
+The bracket pair is optional and within the bracket pair you can type the amount
+of spacing. Keywords like \type{small}, \type{medium} and \type{big} are related
+to the fontsize.
+
+\startbuffer
+In official writings Hasselt always has the affix Ov. This is an
+abbrevation for the province of {\em Overijssel}.
+\blank[2*big]
+The funny thing is that there is no other Hasselt in the Netherlands.
+So it is redundant.
+\blank
+The affix is a leftover from the times that the Netherlands and
+Belgium were one country under the reign of King Philip II of Spain.
+\blank[2*big]
+Hasselt in Belgium lies in the province of Limburg. One wonders if
+the Belgian people write Hasselt (Li) on their letters.
+\stopbuffer
+
+\typebuffer
+
+The command \type{\blank} without the bracket pair is the default space.
+
+The example would become:
+
+\getbuffer
+
+The default spacing can be set up with:
+
+\shortsetup{setupblank}
+
+If you want to surpress vertical spacing you can use:
+
+\shortsetup{startpacked}
+
+In this manual the whitespace is set at \type{medium}. In the next situation this
+set up is ignored and the lines are packed.
+
+\startbuffer
+\startpacked
+Hasselt (Ov) lies in Overijssel.
+
+Hasselt (Li) lies in Limburg.
+
+Watch out: we talk about Limburg in Belgium. There is
+also a Dutch Limburg.
+\stoppacked
+\stopbuffer
+
+\typebuffer
+
+This will become:
+
+\getbuffer
+
+It is not hard to imagine why there is also:
+
+\shortsetup{startunpacked}
+
+You can force vertical space with \type{\godown}. The distance is specified
+within the brackets.
+
+\shortsetup{godown}
+
+Try not to use this command. It is always better use the \type{\setup...} commands
+to setup your spacing model.
+
+\stopsection
+
+\startsection[title=Whitespace before and after text components]
+
+Most text components that are coded with \CONTEXT\ have a \type{\setup...} command
+with which you can define the whitespace before and after that component.
+
+\starttyping
+\setupitemize
+    [before=,after=]
+
+\setuphead
+    [chapter]
+    [before=,after=]
+
+\setupframedtexts
+    [before=,after=]
+\stoptyping
+
+The use of the \type{\setup...} commands prevents you from having to code
+whitespaces throughout your \TEX\ document. This would lead to unreadable sources
+and inconsistent use of whitepaces.
+
+\stopsection
+
+\startsection[title=Skipping space]
+
+\Command{\tex{hskip}}
+\Command{\tex{vskip}}
+
+You can introduce horizontal and vertical space with \type{\hskip} and
+\type{\vskip} commands.
+
+Try to avoid these commands in your text. It will probably lead to inconsistent
+spacing.
+
+\stopsection
+
+\startsection[title=Indentation]
+
+\index{indentation}
+\index{paragraph+indentation}
+
+\Command{\tex{indenting}}
+\Command{\tex{noindenting}}
+\Command{\tex{setupindenting}}
+
+You can set up the amount of the indentation with:
+
+\shortsetup{setupindenting}
+
+A reasonable indentation is achieved by:
+
+\starttyping
+\setupindenting[yes,]
+\stoptyping
+
+This will lead to indented paragraphs. By default, indentation after white space
+(as issued by \type {\blank}) is suppressed.
+
+You can locally influence the indentation state by using:
+
+\shortsetup{indenting}
+
+When for instance you say \type {never}, from that moment on indentation will be
+surpressed. Saying \type {none}, only influences the next paragraph.
+
+If you choose to use indentations, and at a certain place you explicitly {\em do
+not} want to indent, you can also say:
+
+\starttyping
+\noindenting
+\stoptyping
+
+In some \type{\setup...} commands you can set the parameter \type{indent=yes}. This means
+that the paragraph that follows the textcomponent will indent:
+
+\startbuffer
+\setupitemize[indentnext=yes]
+\stopbuffer
+
+\typebuffer
+
+\stopsection
+
+\stopchapter
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-presentations.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-presentations.tex
new file mode 100644
index 00000000000..623ba9490b3
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-presentations.tex
@@ -0,0 +1,38 @@
+\startcomponent ma-cb-en-presentations
+
+\enablemode[**en-us]
+
+\project ma-cb
+
+\startchapter[title=Presentations,reference=presentations]
+
+\index{presentation}
+
+You can use \CONTEXT\ for making your own presentations. A \CONTEXT\ presentation
+is an interactive PDF document with a screen layout. Often presentations are good
+examples of the cooperation between \CONTEXT\ and \METAPOST.
+
+\CONTEXT\ comes with a number ready-to-use presentations. A presentation is a
+module with the prefix \type{s-} and that you can load with the \type{\usemodule}
+command.
+
+If you want to use an already existing presentation the best way to proceed is:
+
+\startitemize[packed]
+\item goto \type{../your-contextdir/tex/texmf-context/tex/context/base} in your text editor
+\item open a presentation: for example \type{s-pre-05.tex}
+\item goto the end of the file and study the commands between
+      the \type{\start...\stoptext} pair
+\item copy the commands into your own presentation file
+\item invoke the presentation with \type{\usemodule[s][pre-05]} in de setup
+      area of your presentation file
+\item process the file to view the result
+\item edit the content of your presentation
+\stopitemize
+
+A stepwise setup of a presentation is given at the
+\goto{\CONTEXTWIKI}[ url (http://wiki.contextgarden.net/Presentations) ].
+
+\stopchapter
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-processingfiles.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-processingfiles.tex
new file mode 100644
index 00000000000..1ceabfeb143
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-processingfiles.tex
@@ -0,0 +1,44 @@
+\startcomponent ma-cb-en-processingfiles
+
+\enablemode[**en-us]
+
+\project ma-cb
+
+\startchapter[title=The \type{context} command,reference=contextcommand]
+
+\index{\type{context} (command)}
+\index{\type{mtxrun} (command)}
+\index{processing TeX file}
+
+You can process a \TEX\ file or run \CONTEXT\ with the command \type{context}
+that you can type at your console:
+
+\starttyping
+context myfile
+\stoptyping
+
+\CONTEXT\ will make multiple runs to get the layout, references, lists and
+pagenumbering straight. You can see those runs echoed on your screen and listed
+in the \type{myfile.log} file.
+
+You can add parameters to give the command \type{context} additional
+tasks while processing the file. If you want start up \READER\ automatically
+you can type:
+
+\starttyping
+context --autopdf myfile
+\stoptyping
+
+A full overview of the parameters is given when you type:
+
+\starttyping
+context --help
+\stoptyping
+
+Please refer to the manual \goto{luatools, mtxrun, context}[ url (manual:tools) ]
+for more information on running \CONTEXT.
+
+\stopchapter
+
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-references.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-references.tex
new file mode 100644
index 00000000000..bc758e5213e
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-references.tex
@@ -0,0 +1,148 @@
+\startcomponent ma-cb-en-references
+
+\enablemode[**en-us]
+
+\project ma-cb
+
+\startchapter[title=Refering to text elements]
+
+\index{refering}
+\index{label}
+
+\Command{\tex{in}}
+\Command{\tex{at}}
+\Command{\tex{pagereference}}
+
+To disclose your document for your readers you can use the table of contents and
+the register. However, it is not uncommon to refer to specific text elements like
+formulas, tables, images and sections to enhance readability.
+
+For refering from one location in a document to another you can use the command:
+
+\shortsetup{in}
+
+The curly braces contain text and the brackets contain a logical label. If you have
+written a chapter header like this:
+
+\starttyping
+\startchapter[title=Hotels in Hasselt,reference=hotel]
+  ...
+\stopchapter
+\stoptyping
+
+then you can refer to this chapter with:
+
+\starttyping
+\in{chapter}[hotel]
+\stoptyping
+
+After processing the chapter number is available and the reference could look
+something like: {\em chapter 23}. You can use \type{\in} for any references to
+text elements like chapters, sections, figures, tables, formulas etc.
+
+Another example:
+
+\startbuffer
+There are a number of things you can do in Hasselt:
+
+\startitemize[n,packed]
+\item swimming
+\item sailing
+\item[hiking] hiking
+\item biking
+\stopitemize
+
+An activity like \in{activity}[hiking] described on \at{page}[hiking]
+is very tiring.
+\stopbuffer
+
+\typebuffer
+
+This would look like this:
+
+\getbuffer
+
+As you can see, it is also possible to refer to pages. This is done with:
+
+\shortsetup{at}
+
+For example with:
+
+\starttyping
+\at{page}[hiking]
+\stoptyping
+
+This command can be used in combination with:
+
+\shortsetup{pagereference}
+
+and
+
+\shortsetup{textreference}
+
+If you want to refer to the chapter {\em Hotels in Hasselt} you could type:
+
+\startbuffer
+Look in \in{chapter}[hotel] on \at{page}[hotel] for a complete
+overview of accomodations in \pagereference[accomodation]Hasselt.
+\stopbuffer
+
+\typebuffer
+
+A chapter number and a page number will be generated when processing the input
+file. On another spot in the document you can refer to \type{accomodation} with
+\type{\at{page}[accomodation]}.
+
+You can also define a set of labels separated by commas.
+
+\startbuffer
+\placefigure
+  [here]
+  [fig:canals,fig:boats]
+  {A characteristic picture of Hasselt.}
+  {\externalfigure[ma-cb-08][width=10cm]}
+
+There are many canals in Hasselt (see \in{figure}[fig:canals]).
+.
+.
+.
+Boats can be moored in the canals of Hasselt (see
+\in{figure}[fig:boats]).
+\stopbuffer
+
+\typebuffer
+
+This might look like this:
+
+\getbuffer
+
+You can also refer to a title of a chapter or section or even a caption of an
+image. This is done with:
+
+\shortsetup{about}
+
+This:
+
+\startbuffer
+The caption of \in{figure}[fig:canals] is {\em \about[fig:canals]}.
+\stopbuffer
+
+\typebuffer
+
+Becomes:
+
+\getbuffer
+
+With the command:
+
+\starttyping
+\setupinteraction[state=start]
+\stoptyping
+
+all references become active links. See \in{chapter}[interactivity] for more
+information on this subject.
+
+\stopchapter
+
+\stopcomponent
+
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-registers.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-registers.tex
new file mode 100644
index 00000000000..315e2bfa488
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-registers.tex
@@ -0,0 +1,83 @@
+\startcomponent ma-cb-en-registers
+
+\enablemode[**en-us]
+
+\project ma-cb
+
+\startchapter[title=Registers]
+
+\index{register}
+
+\Command{\tex{index}}
+\Command{\tex{placeindex}}
+\Command{\tex{completeindex}}
+\Command{\tex{defineregister}}
+\Command{\tex{placeregister}}
+\Command{\tex{completeregister}}
+\Command{\tex{setupregister}}
+
+It is possible to generate one or more registers. By default the command
+\type{\index} is available. If you want to add a word to the index you type:
+
+\starttyping
+\index{town hall}
+\stoptyping
+
+The word {\em town hall} will appear as an index entry in the sorted register.
+Sometimes the index word does not appear in normal alphabetic order. For example,
+entries such as symbols have to provide extra sorting information in order to
+produce a correct alphabetical list:
+
+\starttyping
+\index[minus]{$-$}
+\stoptyping
+
+Sometimes you have sub- or sub sub entries. These can be defined as follows:
+
+\starttyping
+\index{town hall+location}
+\index{town hall+architecture}
+\stoptyping
+
+You can generate your register with the command:
+
+\starttyping
+\placeindex
+\stoptyping
+
+or
+
+\starttyping
+\completeindex
+\stoptyping
+
+The command \type{\index} is a predefined \CONTEXT\ command, but of course you
+can also define your own registers.
+
+\shortsetup{defineregister}
+
+For example if you want to make a new register based on the streets in Hasselt
+you could type:
+
+\starttyping
+\defineregister[street]
+\stoptyping
+
+Now a new register command \type{\street} is available. Now
+\type{\street{Ridderstraat}} is a new index entry. To produce a list of entries
+you could now use:
+
+\starttyping
+\placeregister[street]
+\placestreet
+\completestreet
+\stoptyping
+
+You can alter the layout of the registers with:
+
+\shortsetup{setupregister}
+
+\stopchapter
+
+\stopcomponent
+
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-runtimefiles.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-runtimefiles.tex
new file mode 100644
index 00000000000..d72b536a5ee
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-runtimefiles.tex
@@ -0,0 +1,41 @@
+\startcomponent ma-cb-en-runtimefiles
+
+\enablemode[**en-us]
+
+\project ma-cb
+
+\startchapter[title=Auxilliary files,reference=runtimefiles]
+
+\index[tuc]{{\tt tuc}--file}
+\index{auxilliary files}
+
+\CONTEXT\ will produce a number of auxilliary files during processing. If your
+input file is called \type{myfile.tex} the following files may appear on your
+working directory.
+
+\index[tuc]{{\tt tuc}--file}
+\index{auxilliary files}
+
+\starttabulate[|l|l|l|]
+\HL
+\NC \darkgray \bf \CONTEXT\ MkII \NC \bf \CONTEXT\ MkIV \NC \bf Meaning                      \NC\NR
+\HL
+\NC \darkgray \tt myfile.tex     \NC \tt myfile.tex     \NC your text file                   \NC\NR
+\HL
+\NC \darkgray \tt myfile.log     \NC \tt myfile.log     \NC log information                  \NC\NR
+\NC \darkgray \tt myfile.tuo     \NC \tt myfile.tuc     \NC output information               \NC\NR
+\NC \darkgray \tt myfile.tui     \NC                    \NC \darkgray input information      \NC\NR
+\NC \darkgray \tt myfile.tmp     \NC                    \NC \darkgray temporary information  \NC\NR
+\NC \darkgray \tt mpgraph.mp     \NC                    \NC \darkgray \METAPOST\ information \NC\NR
+\HL
+\NC \darkgray \tt myfile.pdf     \NC \tt myfile.pdf     \NC result file                      \NC\NR
+\HL
+\stoptabulate
+
+The \type{myfile.tuc} file contains information about registers, lists and
+references which will be used when necessary. The \type{myfile.log}
+can be viewed in case there are problems during processing.
+
+\stopchapter
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-setupcommands.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-setupcommands.tex
new file mode 100644
index 00000000000..2f087ea8d23
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-setupcommands.tex
@@ -0,0 +1,54 @@
+\startcomponent ma-cb-en-setupcommands
+
+\enablemode[**en-us]
+
+\project ma-cb
+
+\startchapter[title=Setup commands]
+
+\index{set up}
+\index{layout}
+
+Global commands are placed in the setup area of your input file, before
+\type{\starttext}. In \in{appendix}[commandsetups] there is a complete overview of the
+available commands and their parameters.
+
+The set up commands all have the same structure. They look something like:
+
+\shortsetup{setupparagraphs}
+
+A set up command consists of a more or less logical name and a number of bracket
+pairs. Bracket pairs may be optional and in that case the \type{[]} are typeset
+slanted {\tt \sl []}. In the definition the bracket pairs may contain:
+
+\starttyping
+\setupacommand[.1.][.2.][..,..=..,..]
+\stoptyping
+
+The commas indicate that a list of parameters can be enclosed. In the options
+list following the definition, the \type{.1.} and \type{.2.} show the possible
+options that can be set in the first and second bracket pair respectively. The
+parameters and their possible values are placed in the third bracket pair.
+
+The default options and parameter values are underlined.
+
+Furthermore you will notice that some values are typeset in a slanted way: {\sl
+section}, {\sl name}, {\sl dimension}, {\sl number}, {\sl command} and {\sl
+text}. This indicates that you can set the value yourself.
+
+\starttabulate[|S||]
+\NC section   \NC a section name like chapter, section, subsection etc. \NC\NR
+\NC name      \NC an identifier (logical name)                          \NC\NR
+\NC dimension \NC a dimension with a unit in \type{cm}, \type{pt},
+                  \type{em}, \type{ex}, \type{sp} or \type{in}          \NC\NR
+\NC number    \NC an integer                                            \NC\NR
+\NC command   \NC a command                                             \NC\NR
+\NC text      \NC text                                                  \NC\NR
+\stoptabulate
+
+In the \goto {Quick Reference} [ url (manual:qr-en) ]
+manual you can find a complete overview of the commands and their parameters.
+
+\stopchapter
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-sortedlists.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-sortedlists.tex
new file mode 100644
index 00000000000..c3b47ea27ea
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-sortedlists.tex
@@ -0,0 +1,71 @@
+\startcomponent ma-cb-en-sortedlists
+
+\enablemode[**en-us]
+
+\project ma-cb
+
+\startchapter[reference=synonyms,title=Sorted lists]
+
+\index{sorted lists}
+
+\Command{\tex{definesorting}}
+\Command{\tex{setupsorting}}
+\Command{\tex{sort}}
+\Command{\tex{placelistofsorts}}
+\Command{\tex{completelistofsorts}}
+
+If you want to create a sorted list you can use:
+
+\shortsetup{definesorting}
+
+For example:
+
+\startbuffer
+\define[1]\street{#1\Street{#1}}
+\definesorting[Street][Streets]
+\setupsorting[Street][criterium=all]
+
+When you walk in the \street{Eikenlaan} you will cross the
+\street{Vechtlaan} and \street{Gasthuisstraat}. Go left into the
+\street{Gasthuisstraat} and take another left on the
+\street{Heerengracht}. You walk along the canal to the
+\street{Ridderstraat}, there you turn right. Cross the canal and
+turn left to the \street{Julianakade}. There you can enjoy the
+view over the Zwartewater.
+
+So the streets you visited are:
+
+\placelistofStreets
+\stopbuffer
+
+\typebuffer
+
+This will become:
+
+\getbuffer
+
+Note that the Gasthuisstraat appears only once in the list.
+
+The predefined \type{\logo} command is used for the consistent use of text logos.
+
+When you define:
+\startbuffer
+\logo [HSTEX]    {Hassel\TeX}
+\stopbuffer
+
+\getbuffer\typebuffer
+
+You can use that logo througout your text.
+
+\startbuffer
+How would you call a \TEX\ based macropackage when you work
+in Hasselt? \HSTEX?
+\stopbuffer
+
+\typebuffer
+
+\getbuffer
+
+\stopchapter
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-specialcharacters.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-specialcharacters.tex
new file mode 100644
index 00000000000..619ccf3a6cb
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-specialcharacters.tex
@@ -0,0 +1,60 @@
+\startcomponent ma-cb-en-specialcharacters
+
+\enablemode[**en-us]
+
+\project ma-cb
+
+\startchapter[reference=special chars,title=Special characters]
+
+\index{special characters}
+
+You have seen that \CONTEXT\ commands are preceded by a \tex{} (backslash). This
+means that \tex{} has a special meaning to \CONTEXT. Aside from \tex{} there are
+other characters that need special attention when you want them to appear in
+verbatim mode or in text mode. \in{Table}[tab:specchars] gives an overview of
+these special characters and what you have to type to produce them.
+
+\placetable[here,force][tab:specchars]
+  {Special characters (1).}
+  {\starttable[|c|l|c|c|c|c|]
+  \HL
+  \NC \use2 \JustCenter{\bf Special character}           \NC \use2 \bf Verbatim  \NC \use2 \bf Text \NC\FR
+  \NC \bf Character \NC \bf Name          \NC \bf Type \NC \bf Generates \NC \bf Type\NC \bf Generates \NC\LR
+  \HL
+  \NC \type{#}      \NC hashtag           \NC \type{\type{#}} \NC \type{#} \VL \type{\#}           \NC \#           \NC\FR
+  \NC \type{$}      \NC dollar            \NC \type{\type{$}} \NC \type{$} \VL \type{\$}           \NC \$           \NC\MR
+  \NC \type{&}      \NC ampersand         \NC \type{\type{&}} \NC \type{&} \VL \type{\&}           \NC \&           \NC\MR
+  \NC \type{%}      \NC percent           \NC \type{\type{%}} \NC \type{%} \VL \type{\%}           \NC \%           \NC\MR
+  \NC \type{\}      \NC backslash         \NC \type{\type{\}} \NC \type{\} \VL \type{\backslash}   \NC \backslash   \NC\MR
+  \NC \type+{+      \NC right curly brace \NC \type-\type+{+- \NC \type+{+ \VL \type+\{+           \NC \{           \NC\MR
+  \NC \type+}+      \NC left curly brace  \NC \type-\type+}+- \NC \type+}+ \VL \type+\}+           \NC \}           \NC\MR
+  \NC \type{|}      \NC vertical bar      \NC \type{\type{|}} \NC \type{|} \VL \type{\|}           \NC \|           \NC\MR
+  \NC \type{_}      \NC underscore        \NC \type{\type{_}} \NC \type{_} \VL \type{\_}           \NC \_           \NC\MR
+  \NC \type{~}      \NC tilde             \NC \type{\type{~}} \NC \type{~} \VL \type{\lettertilde} \NC \lettertilde \NC\MR
+  \NC \type{^}      \NC caret             \NC \type{\type{^}} \NC \type{^} \VL \type{\letterhat}   \NC \letterhat   \NC\LR
+  \HL
+  \stoptable}
+
+Other special characters have a meaning in typesetting mathematical expressions
+and some can be used in math mode only (see \in{chapter}[formulas]).
+
+\placetable
+  [here,force]
+  [tab:special chars]
+  {Special characters (2).}
+  {\starttable[|c|c|c|c|c|]
+  \HL
+  \NC \bf \LOW{Special character} \NC \use2 \bf Verbatim  \NC \use2 \bf Text \NC\FR
+  \NC                         \NC \bf Type \NC \bf Generates \NC \bf Type \NC \bf Generates \NC\LR
+  \HL
+  \NC \type{+} \NC \type{\type{+}} \NC \type{+} \VL \type{$+$} \NC $+$ \NC\FR
+  \NC \type{-} \NC \type{\type{-}} \NC \type{-} \VL \type{$-$} \NC $-$ \NC\MR
+  \NC \type{=} \NC \type{\type{=}} \NC \type{=} \VL \type{$=$} \NC $=$ \NC\MR
+  \NC \type{<} \NC \type{\type{<}} \NC \type{<} \VL \type{$<$} \NC $<$ \NC\MR
+  \NC \type{>} \NC \type{\type{>}} \NC \type{>} \VL \type{$>$} \NC $>$ \NC\LR
+  \HL
+  \stoptable}
+
+\stopchapter
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-structure.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-structure.tex
new file mode 100644
index 00000000000..4001a683149
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-structure.tex
@@ -0,0 +1,133 @@
+\startcomponent ma-cb-en-structure
+
+\enablemode[**en-us]
+
+\project ma-cb
+
+\startchapter[title=Defining a document]
+
+Every document is started with \type{\starttext} and closed with
+\type{\stoptext}. All textual input is placed between these two commands and
+\CONTEXT\ will only process that information.
+
+Setup information is placed in the set up area just before \type{\starttext}.
+
+\setuptyping
+    [escape=yes]
+
+\definestartstop
+    [comment][style={\rm}]
+
+\starttyping
+
+\setupbodyfont[12pt]              /BTEX \comment{setuparea of document} /ETEX
+
+\starttext
+This is a one line document.      /BTEX \comment{your text} /ETEX
+\stoptext
+\stoptyping
+
+The definition of a (very simple) book could look something like this:
+
+\startbuffer
+\starttext
+
+\startstandardmakeup
+  \midaligned{From Hasselt to America}
+  \midaligned{by}
+  \midaligned{J. Jonker and C. van Marle}
+\stopstandardmakeup
+
+\title{Foreword}
+
+\chapter{Introduction}
+
+\chapter{The Rensselaer family}
+
+\chapter{The Lansing family}
+
+\chapter{The Cuyler family}
+
+\chapter{Appendix: Photos}
+
+\stoptext
+\stopbuffer
+
+\typebuffer
+
+\CONTEXT\ comes with a predefined overall structure in which the document is
+divided into four main document divisions:\footnote{Here we try to avoid the
+word {\em section}.}
+
+\startitemize[n,packed]
+\item front matter
+\item body matter
+\item appendices
+\item back matter
+\stopitemize
+
+The document divisions are defined with:
+
+\starttyping
+\startfrontmatter ... \stopfrontmatter
+\startbodymatter  ... \stopbodymatter
+\startappendices  ... \stopappendices
+\startbackmatter  ... \stopbackmatter
+\stoptyping
+
+The chapters in your book can be divided over these divisions.
+
+\startbuffer
+\starttext
+
+\startstandardmakeup
+  \midaligned{From Hasselt to America}
+  \midaligned{by}
+  \midaligned{J. Jonker and C. van Marle}
+\stopstandardmakeup
+
+\startfrontmatter
+
+    \title{Preface}
+
+    \chapter{Introduction}
+
+\stopfrontmatter
+
+\startbodymatter
+
+    \chapter{The Rensselaer family}
+
+    \chapter{The Lansing family}
+
+    \chapter{The Cuyler family}
+
+\stopbodymatter
+
+\startappendices
+
+    \chapter{Photos}
+
+\stopappendices
+
+\stoptext
+\stopbuffer
+
+\typebuffer
+
+In the front matter as well as back matter the command \type{\chapter}
+produces an un-numbered header in the table of contents. The front matter is mostly
+used for the table of contents, the list of figures and tables, the preface, the
+acknowledgements etc. It often comes with a roman page numbering.
+
+The appendices division is used for (indeed) appendices. Headers may be typeset in
+a different way; for example, \type{\chapter} may be numbered alphabetically.
+
+The style of each document division can be set up with:
+
+\shortsetup{setupsectionblock}
+
+\stopchapter
+
+\stopcomponent
+
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-support.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-support.tex
new file mode 100644
index 00000000000..cc6b5819fe5
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-support.tex
@@ -0,0 +1,17 @@
+\startcomponent ma-cb-en-support
+
+\project ma-cb
+
+% only text
+
+For your Questions and Answers you can subscribe to the \goto {\CONTEXT\ mailing
+list} [ url(list:context) ].
+
+Visit the \goto {Pragma ADE website} [ url
+(http://www.pragma-ade.com/overview.htm) ] for extensive information about
+\CONTEXT.
+
+Goto the \goto {ConTeXt Garden} [ url (http://wiki.contextgarden.net) ] to find
+all kinds of practical information on how to use \CONTEXT.
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-synonyms.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-synonyms.tex
new file mode 100644
index 00000000000..8d921d5b023
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-synonyms.tex
@@ -0,0 +1,89 @@
+\startcomponent ma-cb-en-synonyms
+
+\enablemode[**en-us]
+
+\project ma-cb
+
+\startchapter[reference=synonyms,title=Synonyms]
+
+\index{synonyms}
+
+\Command{\tex{definesynonyms}}
+\Command{\tex{setupsynonyms}}
+\Command{\tex{abbreviation}}
+\Command{\tex{infull}}
+\Command{\tex{loadabbreviations}}
+\Command{\tex{placelistofabbreviations}}
+\Command{\tex{completelistofabbreviations}}
+
+In many documents people want to use specific words consistently throughout the
+document. To enforce consistency the command below is available.
+
+\shortsetup{definesynonyms}
+
+The first bracket pair contains the singular form of the synonym, and the second
+contains the plural form. The third bracket pair contains a command.
+
+For example the command \type{\abbreviation} is defined by:
+
+\starttyping
+\definesynonyms[abbreviation][abbreviations][\infull]
+\setupsynonyms[style=cap]
+\stoptyping
+
+Now the command \type{\abbreviation} is available and can be used to state your
+abbreviations:
+
+\starttyping
+\abbreviation{ANWB}{Dutch Automobile Association}
+\abbreviation{VVV}{Bureau of Tourist Information}
+\abbreviation{NS}{Dutch Railways}
+\stoptyping
+
+\abbreviation{VVV}{Bureau of Tourist Information}
+
+If you would type:
+
+\startbuffer
+The Dutch \VVV\ (\infull{VVV}) can provide you with the tourist
+information on Hasselt.
+\stopbuffer
+
+\typebuffer
+
+You would obtain something like this:
+
+\getbuffer
+
+The list of synonyms or abbreviations is best defined in the set up area of your
+input file for maintenance purposes. You can also store this kind of information
+in an external file, and load the file (e.g. \type{abbrev.tex}) with:
+
+\starttyping
+\input abbrev.tex
+\stoptyping
+
+If you want to put a list of the abbreviations used in your document you can
+type:
+
+\starttyping
+\placelistofabbreviations
+\stoptyping
+
+or
+
+\starttyping
+\completelistofabbreviations
+\stoptyping
+
+A complete and sorted list with used abbreviations and their meaning is produced.
+
+The typesetting of synonynms can be influenced with:
+
+\starttyping
+\setupsynonyms
+\stoptyping
+
+\stopchapter
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-tables.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-tables.tex
new file mode 100644
index 00000000000..39ce0cb4ac1
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-tables.tex
@@ -0,0 +1,385 @@
+\startcomponent ma-cb-en-tables
+
+% AFO: the \start ... \stoplinetable mechanism is not stable enough
+
+\enablemode[**en-us]
+
+\project ma-cb
+
+\startchapter[reference=tables,title=Tables]
+
+\index{tables}
+\index{natural tables}
+\index{extreme tables}
+\index{floating blocks}
+
+\Command{\tex{placetable}}
+\Command{\tex{setuptables}}
+\Command{\tex{starttable}}
+\Command{\tex{startcombination}}
+\Command{\tex{setupfloats}}
+\Command{\tex{setupcaptions}}
+\Command{\tex{NR}}
+\Command{\tex{FR}}
+\Command{\tex{LR}}
+\Command{\tex{MR}}
+\Command{\tex{SR}}
+\Command{\tex{VL}}
+\Command{\tex{NC}}
+\Command{\tex{HL}}
+\Command{\tex{DL}}
+\Command{\tex{DC}}
+\Command{\tex{DR}}
+\Command{\tex{LOW}}
+\Command{\tex{TWO}}
+\Command{\tex{THREE}}
+\Command{\tex{bTABLE}}
+\Command{\tex{eTABLE}}
+\Command{\tex{bTR}}
+\Command{\tex{eTR}}
+\Command{\tex{bTD}}
+\Command{\tex{eTD}}
+\Command{\tex{setupTABLE}}
+\Command{\tex{startxtable}}
+\Command{\tex{stopxtable}}
+\Command{\tex{startxcell}}
+\Command{\tex{startxrow}}
+\Command{\tex{setupxtable}}
+
+There are a number of ways to define a table:
+
+\startitemize[packed]
+\item the \type{\start ... \stoptable} mechanism, based on the work of M. Wichura
+\item the \type{\bTABLE ... \eTABLE} mechanism (natural tables)
+\item the \type{\start ... \stopxtable} mechanism (extreme tables)
+\stopitemize
+
+In the next sections we describe the principles of the three table mechanisms.
+
+\startsection[title=Simple tables]
+
+For defining the table you use:
+
+\shortsetup{starttable}
+
+The definition of a table could look something like this:
+
+\startbuffer
+\placetable
+  [here]
+  [tab:ships]
+  {Ships that moored at Hasselt.}
+  {\starttable[|c|c|]
+  \HL
+  \NC \bf Year \NC \bf Number of ships \NC\SR
+  \HL
+  \NC 1645     \NC 450                 \NC\FR
+  \NC 1671     \NC 480                 \NC\MR
+  \NC 1676     \NC 500                 \NC\MR
+  \NC 1695     \NC 930                 \NC\LR
+  \HL
+  \stoptable}
+\stopbuffer
+
+\typebuffer
+
+This table is typeset as \in{table}[tab:ships].
+
+\getbuffer
+
+Although this table mechanism is still available and supported in \CONTEXT\
+it is better to use one of the other mechanisms.
+
+\stopsection
+
+\startsection[title=Natural tables]
+
+The natural table mechanism (\type{\bTABLE ... \eTABLE}) is developed for more
+complex tables and has features of the general interface of \CONTEXT.
+
+\startbuffer
+\placetable
+  [here,force]
+  [tab:votedivision]
+  {Division of votes over political parties.}
+  {\bTABLE[align=middle,offset=4pt]
+   \bTABLEhead
+     \bTR[width=6cm] \bTD [nc=5] Elections City Council \eTD      \eTR
+   \eTABLEhead
+   \bTABLEbody
+     \bTR \bTD[nr=2,align={right,lohi}] Party \eTD
+          \bTD[nc=3,foregroundstyle=bold] Districts \eTD
+          \bTD[nr=2,align={middle,lohi}] Total \eTD                \eTR
+     \bTR \bTD 1   \eTD \bTD 2   \eTD \bTD 3   \eTD                \eTR
+     \bTR \bTD[align=right] PvdA \eTD
+          \bTD 351 \eTD \bTD 433 \eTD \bTD 459 \eTD \bTD 1243 \eTD \eTR
+     \bTR \bTD[align=right] CDA  \eTD
+          \bTD 346 \eTD \bTD 350 \eTD \bTD 285 \eTD \bTD ~981 \eTD \eTR
+     \bTR \bTD[align=right] VVD  \eTD
+          \bTD 140 \eTD
+          \bTD[offset=2pt,background=color,
+               backgroundcolor=red,foregroundcolor=white,
+               foregroundstyle=bold,framecolor=blue,
+               rulethickness=2pt] 113 \eTD
+          \bTD 132 \eTD \bTD ~385 \eTD                             \eTR
+     \bTR \bTD[align=right] SGP  \eTD
+          \bTD 348 \eTD \bTD 261 \eTD \bTD 158 \eTD \bTD ~767 \eTD \eTR
+     \bTR \bTD[align=right] GPV  \eTD
+          \bTD 117 \eTD \bTD 192 \eTD \bTD 291 \eTD \bTD ~600 \eTD \eTR
+  \eTABLEbody
+  \eTABLE}
+\stopbuffer
+
+\start
+\switchtobodyfont[8pt]
+\typebuffer
+\stop
+
+In the last column a \type{~} is used to simulate a four digit number. The
+\type{~} has the width of a digit.
+
+\start
+\getbuffer
+\stop
+
+The setup of the table is placed between the square brackets \type{[ ]}. To keep
+the data in the table more readable you can set up the table with the \type
+{\setupTABLE} command.
+
+\shortsetup{bTABLE}
+
+\startbuffer
+\setupTABLE[row][align=middle,offset=4pt]
+\setupTABLE[1][1][width=6cm]
+\setupTABLE[1][2][align={right,lohi}]
+\setupTABLE[5][2][align={right,lohi}]
+\setupTABLE[2][2][foregroundstyle=bold]
+\setupTABLE[1][4,5,6,7,8][align=right]
+\setupTABLE[3][6][offset=2pt,background=color,
+                  backgroundcolor=red,foregroundcolor=white,
+                  foregroundstyle=bold,framecolor=blue,
+                  rulethickness=2pt]
+
+\bTABLE
+  \bTABLEhead
+    \bTR \bTD[nc=5] Elections City Council \eTD                                  \eTR
+    \bTR \bTD[nr=2] Party  \eTD  \bTD[nc=3] Districts \eTD \bTD[nr=2] Total \eTD \eTR
+    \bTR                         \bTD 1   \eTD \bTD 2 \eTD \bTD 3 \eTD           \eTR
+  \eTABLEhead
+  \bTABLEbody
+    \bTR \bTD PvdA \eTD \bTD 351 \eTD \bTD 433 \eTD \bTD 459 \eTD \bTD 1243 \eTD \eTR
+    \bTR \bTD CDA  \eTD \bTD 346 \eTD \bTD 350 \eTD \bTD 285 \eTD \bTD ~981 \eTD \eTR
+    \bTR \bTD VVD  \eTD \bTD 140 \eTD \bTD 113 \eTD \bTD 132 \eTD \bTD ~385 \eTD \eTR
+    \bTR \bTD SGP  \eTD \bTD 348 \eTD \bTD 261 \eTD \bTD 158 \eTD \bTD ~767 \eTD \eTR
+    \bTR \bTD GPV  \eTD \bTD 117 \eTD \bTD 192 \eTD \bTD 291 \eTD \bTD ~600 \eTD \eTR
+  \eTABLEbody
+\eTABLE
+\stopbuffer
+
+\start
+\switchtobodyfont[8pt]
+\typebuffer
+\stop
+
+The meaning of the \CONTEXT\ commands are indicated in \in {table}
+[tab:tablecommands02].
+
+\placetable
+  []
+  [tab:tablecommands02]
+  {Commands to define natural tables.}
+  {\starttable[|l|l|]
+  \HL
+  \NC \bf Command \NC \bf Meaning  \NC\SR
+  \HL
+  \NC \type{\bTABLE ... \eTABLE}         \NC begin end table     \NC\FR
+  \NC \type{\bTR ... \eTR}               \NC begin end row       \NC\MR
+  \NC \type{\bTD ... \eTD}               \NC begin end column    \NC\MR
+  \NC \type{\bTABLEhead ... \eTABLEhead} \NC begin end tablehead \NC\MR
+  \NC \type{\bTABLEbody ... \eTABLEbody} \NC begin end tablebody \NC\MR
+  \NC \type{\bTABLEfoot ...\eTABLEfoot}  \NC begin end tablefoot \NC\MR
+  \NC \type{\setupTABLE}                 \NC table setup         \NC\LR
+  \HL
+  \stoptable}
+
+You can find more information on this table mechanism on the \CONTEXTWIKI\ and
+examples in the \goto {\em Natural Tables} [ url (manual:nattab) ] manual.
+
+\stopsection
+
+\startsection[title=Extreme tables]
+
+For large tables that extend over a number of pages and where you want the
+table head repeated after each pagebreak \CONTEXT\ has the {\em extreme table}
+mechanism.
+
+\shortsetup{startxtable}
+
+\startbuffer
+\setupxtable[split=yes,header=repeat]
+\setupxtable[offset=4pt]
+
+\placetable
+  []
+  [tab:wealthdecline]
+  {Decline of wealth through the ages.}
+  {\startxtable
+    \startxtablehead[align=middle,foregroundstyle=bold]
+      \startxrow
+        \startxcell[nx=6]
+            Decline of wealth in Dutch florine (Dfl)
+        \stopxcell
+      \stopxrow
+      \startxrow[foregroundstyle=bold]
+        \startxcell[width=1.2cm] Year \stopxcell
+        \startxcell 1.000--2.000      \stopxcell
+        \startxcell 2.000--3.000      \stopxcell
+        \startxcell 3.000--5.000      \stopxcell
+        \startxcell 5.000--10.000     \stopxcell
+        \startxcell   over 10.000     \stopxcell
+      \stopxrow
+    \stopxtablehead
+    \startxtablenext
+        \startxrow
+          \startxcell[nx=6,align=middle,foregroundstyle=bold]
+              Decline of wealth in Dutch florine (Dfl) / Continued
+          \stopxcell
+        \stopxrow
+        \startxrow[foregroundstyle=bold]
+          \startxcell Year          \stopxcell
+          \startxcell 1.000--2.000  \stopxcell
+          \startxcell 2.000--3.000  \stopxcell
+          \startxcell 3.000--5.000  \stopxcell
+          \startxcell 5.000--10.000 \stopxcell
+          \startxcell   over 10.000 \stopxcell
+        \stopxrow
+    \stopxtablenext
+    \startxtablebody[align=middle]
+      \startxrow
+        \startxcell 1675 \stopxcell
+        \startxcell 22   \stopxcell
+        \startxcell ~7   \stopxcell
+        \startxcell ~5   \stopxcell
+        \startxcell ~4   \stopxcell
+        \startxcell ~5   \stopxcell
+      \stopxrow
+      \startxrow
+        \startxcell 1724 \stopxcell
+        \startxcell ~4   \stopxcell
+        \startxcell ~4   \stopxcell
+        \startxcell --   \stopxcell
+        \startxcell ~4   \stopxcell
+        \startxcell ~3   \stopxcell
+      \stopxrow
+      \startxrow
+        \startxcell 1750 \stopxcell
+        \startxcell 12   \stopxcell
+        \startxcell ~3   \stopxcell
+        \startxcell ~2   \stopxcell
+        \startxcell ~2   \stopxcell
+        \startxcell --   \stopxcell
+      \stopxrow
+      \startxrow
+        \startxcell 1808 \stopxcell
+        \startxcell ~9   \stopxcell
+        \startxcell ~2   \stopxcell
+        \startxcell --   \stopxcell
+        \startxcell --   \stopxcell
+        \startxcell --   \stopxcell
+      \stopxrow
+    \stopxtablebody
+  \stopxtable}
+\stopbuffer
+
+\start
+\switchtobodyfont[8pt]
+\typebuffer
+\stop
+
+With the \type{\setupxtable} it is indicated that the table is allowed to split
+at a pagebreak and that the head should contain the content of the \type {\start
+... \stopxtablenext}.
+
+The result of this definition is shown in \in {table} [tab:wealthdecline].
+
+\getbuffer
+
+The meaning of the commands are explained \in {table} [tab:tablecommands03].
+
+\placetable
+  []
+  [tab:tablecommands03]
+  {Commands to define extreme tables.}
+  {\starttable[|l|l|]
+  \HL
+  \NC \bf Command \NC \bf Meaning                                         \NC\SR
+  \HL
+  \NC \type{\startxtable ... \stopxtable}         \NC begin end table     \NC\FR
+  \NC \type{\startxrow ... \stopxrow}             \NC begin end row       \NC\MR
+  \NC \type{\startxcell ... \stopxcell}           \NC begin end column    \NC\MR
+  \NC \type{\startxtablehead ... \stopxtablehead} \NC begin end tablehead \NC\MR
+  \NC \type{\startxtablebody ... \stopxtablebody} \NC begin end tablebody \NC\MR
+  \NC \type{\startxtablefoot ... \stopxtablefoot} \NC begin end tablefoot \NC\MR
+  \NC \type{\setupxtable}                         \NC table setup         \NC\LR
+  \HL
+  \stoptable}
+
+More information and examples can be found in the \goto {\em Extreme Tables} [
+url (manual:extab) ] manual.
+
+\stopsection
+
+\startsection[title=Placing tables]
+
+In all examples you see the command \type{\placetable}. This command has
+the same function as \type{placefigure}. It takes care of the vertical
+spacing and numbering. The float mechanism is invoked and the table will
+end up on the most optimal location in your document.
+
+\shortsetup{placefloat}
+
+You can also set up the layout of tables with:
+
+\shortsetup{setupfloats}
+
+You can set up the numbering and the labels with:
+
+\shortsetup{setupcaptions}
+
+These commands are typed in the set up area of your input file and have a global
+effect on all floating blocks.
+
+\startbuffer
+\setupfloats[location=left]
+\setupcaptions[style=boldslanted,location={right,middle}]
+
+\placetable[here][tab:opening hours]{Library opening hours.}
+  {\bTABLE[offset=4pt]
+  \bTR \bTD \bf Day   \eTD \bTD[nx=2,align=middle] \bf Opening hours    \eTD \eTR
+  \bTR \bTD Monday    \eTD \bTD 14.00 -- 17.30 \eTD \bTD 18.30 -- 20.30 \eTD \eTR
+  \bTR \bTD Tuesday   \eTD \bTD                \eTD \bTD                \eTD \eTR
+  \bTR \bTD Wednesday \eTD \bTD 10.00 -- 12.00 \eTD \bTD 14.00 -- 17.30 \eTD \eTR
+  \bTR \bTD Thursday  \eTD \bTD 14.00 -- 17.30 \eTD \bTD 18.30 -- 20.30 \eTD \eTR
+  \bTR \bTD Friday    \eTD \bTD 14.00 -- 17.30 \eTD \bTD                \eTD \eTR
+  \bTR \bTD Saturday  \eTD \bTD 10.00 -- 12.30 \eTD \bTD                \eTD \eTR
+  \eTABLE}
+\stopbuffer
+
+\start
+\switchtobodyfont[8pt]
+\typebuffer
+\stop
+
+The result is displayed in \in{table}[tab:opening hours].
+
+\start
+\getbuffer
+\stop
+
+\stopsection
+
+% AFO: the \start ... \stoplinetable mechanism is not stable enough
+
+\stopchapter
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-tablesofcontent.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-tablesofcontent.tex
new file mode 100644
index 00000000000..0bc81014e2c
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-tablesofcontent.tex
@@ -0,0 +1,174 @@
+\startcomponent ma-cb-en-tablesofcontent
+
+\enablemode[**en-us]
+
+\project ma-cb
+
+\startchapter[title=Table of contents (lists)]
+
+\index{table of contents}
+\index{list}
+
+\Command{\tex{completecontent}}
+\Command{\tex{placecontent}}
+\Command{\tex{definelist}}
+\Command{\tex{setuplist}}
+\Command{\tex{writetolist}}
+\Command{\tex{writebetweenlist}}
+\Command{\tex{definecombinedlist}}
+\Command{\tex{setupcombinedlist}}
+
+A table of contents contains chapter numbers, chapter titles and page numbers and
+can be extended with sections, sub sections, etc. A table of contents is
+generated automatically by typing:
+
+\starttyping
+\placecontent
+\stoptyping
+
+Which table of contents is produced depends on the location of this command in
+your document. At the start of the document it will generate a list of chapters,
+sections etc. But at the top of a chapter:
+
+\startbuffer
+\chapter{Hasselt in Summer}
+
+\placecontent
+
+\section{Hasselt in July}
+
+\section{Hasselt in August}
+
+\stopbuffer
+
+\typebuffer
+
+it will only produce a list of (sub) section titles with the corresponding
+section numbers and page numbers.
+
+The predefined command \type{\placecontent} is available because it was defined
+with:
+
+\shortsetup{definecombinedlist}
+
+This command and \type{\definelist} allows you to define your own lists necessary
+for accessing your documents.
+
+The use of this command and its related commands is illustrated for the default available
+table of contents.
+
+\startbuffer
+\definelist[chapter]
+\setuplist
+   [chapter]
+   [before=\blank,
+    after=\blank,
+    style=bold]
+
+\definelist[section]
+\setuplist
+   [section]
+   [alternative=d]
+\stopbuffer
+
+\typebuffer
+
+Now there are two lists of chapters and sections and these will be combined in a
+table of contents with the command \type{\definecombinedlist}.
+
+\startbuffer
+\definecombinedlist
+   [content]
+   [chapter,section]
+   [level=subsection]
+\stopbuffer
+
+\typebuffer
+
+Now two commands are available: \type{\placecontent} and \type{\completecontent}.
+With the second command the title of the table of contents will be added to the
+table of contents.
+
+The layout of lists can be varied with the parameter \type{alternative}.
+
+\placetable
+  [here,force]
+  [tab:alternatives]
+  {Alternatives for displaying lists.}
+  {\starttable[|c|l|]
+  \HL
+  \NC \bf Alternative \NC \bf Display \NC\SR
+  \HL
+  \NC \type{a} \NC number -- title -- page number              \NC\FR
+  \NC \type{b} \NC number -- title -- spaces -- page number    \NC\MR
+  \NC \type{c} \NC number -- title -- dots -- page number      \NC\MR
+  \NC \type{d} \NC number -- title -- page number (continuing) \NC\MR
+  \NC \type{e} \NC reserved for interactive purposes           \NC\MR
+  \NC \type{f} \NC reserved for interactive purposes           \NC\MR
+  \NC \type{g} \NC reserved for interactive purposes           \NC\LR
+  \HL
+  \stoptable}
+
+Lists are set up with:
+
+\shortsetup{setuplist}
+\shortsetup{setupcombinedlist}
+
+If you want to change the layout of the generated table of contents you'll have
+to remember that it is a (combined) list and that we can set the partial lists
+separately.
+
+\startbuffer
+\setuplist
+  [section]
+  [textstyle=bold,
+   pagestyle=bold,
+   numberstyle=bold]
+\stopbuffer
+
+\typebuffer
+
+This will result in a bold page number, section title and section number.
+
+Lists are generated and placed with:
+
+\shortsetup{placelist}
+
+So if you want a list of sections at the beginning of a new chapter, you type:
+
+\starttyping
+\placelist[section]
+\stoptyping
+
+only the sections will be displayed.
+
+A long list or a long table of contents will use up more than one page. To be
+able to force page breaking you can type:
+
+\starttyping
+\placecontent[extras={8.2=page}]
+\stoptyping
+
+A page break will then occur after section 8.2.
+
+In some cases you want to be able to write your own text in an automatically
+generated list. This is done with:
+
+\shortsetup{writetolist}
+\shortsetup{writebetweenlist}
+
+For example if you want to make a remark in your table of contents after a
+section titled {\em Hotels in Hasselt} you can type:
+
+\startbuffer
+\section{Hotels in Hasselt}
+\writebetweenlist[section]{\blank}
+\writetolist[section][location=here]{}{Section under construction}
+\writebetweenlist[section]{\blank}
+\stopbuffer
+
+\typebuffer
+
+\stopchapter
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-tabulations.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-tabulations.tex
new file mode 100644
index 00000000000..5ed877c7666
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-tabulations.tex
@@ -0,0 +1,163 @@
+\startcomponent ma-cb-en-tabulations
+
+\enablemode[**en-us]
+
+\project ma-cb
+
+\startchapter[reference=tabulation,title=Tabulation / Paragraph formatting]
+
+\index{tabulation}
+\index{tables+running text}
+\index{columns}
+\Command{\tex{starttabulate}}
+\Command{\tex{definetabulate}}
+\Command{\tex{setuptabulate}}
+\Command{\tex{NR}}
+\Command{\tex{NC}}
+
+Sometimes you want to typeset paragraphs in a specific formatted way. This is
+done with:
+
+\shortsetup{starttabulate}
+
+The tabulation mechanism is closely related to the table mechanism. You can use
+the tabulation mechanism in cases you want to typeset complete paragraphs within
+a cell. The tabulation mechanism also works fine at a page break.
+
+\startbuffer
+\starttabulate[|w(1.5cm)B|p(6.0cm)|p|]
+\NC 1252
+    \NC Hasselt obtains its city charter from bishop Hendrik
+        van Vianden.
+    \NC Hendrik van Vianden was pressed by other towns not
+        to agree with the charter. It took Hasselt a long
+        period of time to convince the Bishop. After
+        supporting the Bishop in a small war against the
+        Drents, the charter was released. \NC\NR
+\NC 1350
+    \NC Hasselt joins the Hanzepact to protect their
+        international trade.
+    \NC The Hanzepact was of great importance for merchants
+        in Hasselt. In those days trading goods were taxed
+        at every city, highway or rivercrossing. After
+        joining the Hanzepact duty free routes all over
+        Europe became available to Hasselt. However
+        important the Hanzepact was, Hasselt always stayed a
+        minor member of the pact. \NC\NR
+\stoptabulate
+\stopbuffer
+
+A tabulate definition could look like this:
+
+\typebuffer
+
+In this case the first column is \unit{1.5 centi meter} wide and is typeset bold
+(\type{B}). The second column has a width of \unit{6 centi meter} and is typeset
+like a paragraph. The remaining horizontal space is used up by the last
+paragraph.
+
+The example is typeset like this:
+
+\getbuffer
+
+The tabulation entries are placed between the \type{\start ... \stoptabulate}
+pair. Between the bracket pair your can specify the tabulate format with the
+column separators \type{|} and the format keys (see \in {table}
+[tab:tabularformattingkeys]).
+
+\placetable[][tab:tabularformattingkeys]
+  {Formatting keys for tabulate.}
+  {\starttable[|lT|l|lT|l|]
+  \HL
+  \NC \rm \bf Key                 \NC \rm \bf Meaning
+  \NC \rm \bf Key                 \NC \rm \bf Meaning
+  \NC \SR
+  \HL
+  \NC l                 \NC left align
+  \NC I                 \NC \it italic
+  \NC \FR
+  \NC c                 \NC center
+  \NC R                 \NC \sl roman
+  \NC \MR
+  \NC r                 \NC right align
+  \NC S                 \NC \sl slanted
+  \NC \MR
+  \NC i\sl n            \NC spacing left
+  \NC T                 \NC \tt teletype
+  \NC \MR
+  \NC j\sl n            \NC spacing right
+  \NC m                 \NC in||line math
+  \NC \MR
+  \NC k\sl n            \NC spacing around
+  \NC M                 \NC display  math
+  \NC \MR
+  \NC w({\sl d})        \NC 1 line,   fixed width
+  \NC f\tex{command}    \NC font specification
+  \NC \MR
+  \NC p({\sl d})        \NC paragraph, fixed width
+  \NC b\arg{..}         \NC place \type{..} before the entry
+  \NC \MR
+  \NC p                 \NC paragraph, maximum width
+  \NC a\arg{..}         \NC place \type{..} after the entry
+  \NC \MR
+  \NC B                 \NC \bf boldface
+  \NC h\tex{command}    \NC apply \tex{command} on the entry
+  \NC \LR
+  \HL
+  \stoptable}
+
+In \in {table} [tab:tabulatestructurecommands] you find an overview
+of the tabulate structuring commands.
+
+\placetable
+  []
+  [tab:tabulatestructurecommands]
+  {Commands to define tabulate.}
+  {\starttable[|l|l|l|]
+  \HL
+  \NC \bf Command                     \NC                 \NC \bf Meaning         \NC\SR
+  \HL
+  \NC \type{\start ... \stoptabulate} \NC                 \NC begin end tabulate  \NC\FR
+  \NC \type{\NC}                      \NC next column     \NC next column         \NC\MR
+  \NC \type{\NR}                      \NC next row        \NC next row            \NC\MR
+  \NC \type{\HL}                      \NC horizontal line \NC horizontal line     \NC\MR
+  \NC \type{\TB}                      \NC table blank     \NC empty line          \NC\MR
+  \NC \type{\definetabulate}          \NC                 \NC define own tabulate \NC\MR
+  \NC \type{\setuptabulate}           \NC                 \NC tabulate setup      \NC\LR
+  \HL
+  \stoptable}
+
+Another example of paragraph formatting could look like this.
+
+\startbuffer
+\definetabulate[ChemPar][|l|p|l|]
+
+\startChemPar
+\NC Limekilns
+    \NC Hasselt has its own limekilns. These were build in 1504
+        and produced quick lime up to 1956. Nowadays they are a
+        tourist attraction.
+    \NC \inlinechemical{CaCO_3,GIVES,CaO,+,CO_2} \NC\NR
+\stopChemPar
+\stopbuffer
+
+\typebuffer
+
+And it would come out like this:
+
+\getbuffer
+
+In \in{chapter}[chemical] your can find some more information on chemistry
+and \CONTEXT.
+
+Here we also introduced the command to define our own paragraph layout.
+
+\shortsetup{definetabulate}
+
+and we also have:
+
+\shortsetup{setuptabulate}
+
+\stopchapter
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-textbackgrounds.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-textbackgrounds.tex
new file mode 100644
index 00000000000..0f4689f3f29
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-textbackgrounds.tex
@@ -0,0 +1,55 @@
+\startcomponent ma-cb-en-textbackgrounds
+
+\enablemode[**en-us]
+
+\project ma-cb
+
+\startchapter[title=Background in paragraphs]
+
+\index{background+text}
+
+\Command{\tex{setuptextbackground}}
+\Command{\tex{definetextbackground}}
+\Command{\tex{starttextbackground}}
+
+To emphasize a paragraph you can use backgrounds. A background is set with the
+command pair:
+
+\shortsetup{starttextbackground}
+
+An example can illustrate the use:
+
+\startbuffer
+\setuptextbackground
+  [corner=round,frame=on,
+   location=paragraph,
+   leftoffset=.5\bodyfontsize,
+   rightoffset=.5\bodyfontsize,
+   bottomoffset=5pt]
+
+\starttextbackground
+Hasselt has produced a number of well known people. Only recently
+it turned out that Kilian van Rensselaer played a prominent role
+in the foundation of the State of New York.
+\stoptextbackground
+\stopbuffer
+
+\typebuffer
+
+This would be displayed as:
+
+\getbuffer
+
+Backgrounds can span multiple pages.
+
+You can vary the display of the backgrounds with:
+
+\shortsetup{setuptextbackground}
+
+You can even define your own text backgrounds with:
+
+\shortsetup{definetextbackground}
+
+\stopchapter
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-texteditor.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-texteditor.tex
new file mode 100644
index 00000000000..bed8017d519
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-texteditor.tex
@@ -0,0 +1,32 @@
+\startcomponent ma-cb-en-texteditor
+
+\enablemode[**en-us]
+
+\project ma-cb
+
+\startchapter[reference=texteditor,title=The \SCITE\ text editor]
+
+The developers of \CONTEXT\ have always been able to proces their \TEX\ files
+from a text editor. In that way \CONTEXT\ became an effective authoring tool.
+
+At this moment the text editors \SCITE\ and \TEXWORKS\ are more or less part of
+the \CONTEXT\ distribution.
+
+Please refer to the \goto {\CONTEXTWIKI} [ url (http://wiki.contextgarden.net/Windows_Installation:_ConTeXt_Suite_with_SciTe) ]
+and learn how to install \SCITE.
+
+\SCITE\ supports the:
+
+\startitemize[packed]
+\item processing \TEX\ of files
+\item colored display of commands (lexing)
+\item syntax checking of \TEX, \XML\ and \LUA\ files
+\item spell checking of your text
+\stopitemize
+
+The \CONTEXT\ specific support of \SCITE\ is described in the manual \goto
+{\SCITE\ in \CONTEXT} [ url (manual:scite) ].
+
+\stopchapter
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-units.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-units.tex
new file mode 100644
index 00000000000..ce596c0b51c
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-units.tex
@@ -0,0 +1,101 @@
+\startcomponent ma-cb-en-units
+
+\enablemode[**en-us]
+
+\project ma-cb
+
+\startchapter[reference=units,title=Units]
+
+\index{units}
+\index[siunit]{SI--unit}
+
+\Command{\tex{unit}}
+
+To force yourself to use dimensions and units consistently throughout your
+document you can use the \type{\unit} command. Let's give a few examples:
+
+\startbuffer
+\unit{meter per square meter}
+\unit{cubic meter per sec}
+\unit{square milli meter per inch}
+\unit{centi liter per sec}
+\unit{meter inverse sec}
+\unit{newton per square inch}
+\unit{newton times meter per square sec}
+\stopbuffer
+
+\typebuffer
+
+It looks like a lot of typing but it does guarantee a consistent use of units.
+The command \type{\unit} also prevents linebreaking between number and unit.
+The examples above come out as:
+
+\startnarrower
+\startlines
+\getbuffer
+\stoplines
+\stopnarrower
+
+You can add your own units with:
+
+\shortsetup{registerunit}
+
+and set them up with:
+
+\shortsetup{setupunit}
+
+\startbuffer
+\registerunit[unit][inhab=inhabitants] \setupunittext[inhabitants=inh]
+\registerunit[unit][north=north]       \setupunittext[north= N]
+\registerunit[unit][east=east]         \setupunittext[east= E]
+
+Hasselt is part of the municipality of Zwartewaterland
+(coordinates \unit {52 degrees 35 arcminute north},
+\unit {6 degrees 5 arcminute east}). Its area is about
+\unit {88 square kilometer} (land \unit {83 square kilom}
+and water \unit{5 square km}). As of 1st Augustus 2013 the
+population is 22.201 that is \unit {268 inhab per square kilo
+meter}).
+\stopbuffer
+
+In the example below you can see some new units and the non-consistent
+use of \unit{kilo meter}.
+
+\typebuffer
+
+This results in:
+
+\getbuffer
+
+The \type{\unit} command also allows you to align rows of units in a column.
+
+\startbuffer
+\bTABLE
+\bTR \bTD \bf Street              \eTD \bTD \bf Length         \eTD \eTR
+\bTR \bTD Ridderstraat            \eTD \bTD \unit{_,160 meter} \eTD \eTR
+\bTR \bTD Prinsengracht           \eTD \bTD \unit{_,240 meter} \eTD \eTR
+\bTR \bTD Kalverstraat            \eTD \bTD \unit{_,_60 meter} \eTD \eTR
+\bTR \bTD H.A.W. van de Vechtlaan \eTD \bTD \unit{1,250 meter} \eTD \eTR
+\bTR \bTD Meestersteeg            \eTD \bTD \unit{_,_45 meter} \eTD \eTR
+\eTABLE
+\stopbuffer
+
+When you type:
+
+\typebuffer
+
+It will generate a well aligned second column:
+
+\bgroup
+\setupTABLE[frame=off,offset=0pt]
+\setupTABLE[c][1][width=4.5cm]
+
+\getbuffer
+\egroup
+
+Please refer to the manual \goto {\em Units} [ url(manual:units) ] for more
+information and details.
+
+\stopchapter
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-usersetups.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-usersetups.tex
new file mode 100644
index 00000000000..2d89e937a46
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-usersetups.tex
@@ -0,0 +1,68 @@
+\startcomponent ma-cb-en-usersetups
+
+\enablemode[**en-us]
+
+\project ma-cb
+
+\startchapter[title=User specifications]
+
+\index{preamble}
+\index{input file}
+
+The setup area of your document is the area before
+the \type{\starttext} command. For example:
+
+\setuptyping
+    [escape=yes]
+
+\definestartstop
+    [comment][style={\rm}]
+
+\starttyping
+                                   /BTEX \comment{first line of your file} /ETEX
+\setuplayout[width=25cm]           /BTEX \comment{set the width of your text} /ETEX
+                                   /BTEX \comment{empty line for readability} /ETEX
+\starttext                         /BTEX \comment{starts your text} /ETEX
+Hello Hasselt.                     /BTEX \comment{your text} /ETEX
+\stoptext                          /BTEX \comment{ends your text} /ETEX
+\stoptyping
+
+Note that the first line of this file is empty. However, this first line
+is a preamble and can be used for specific user specifications. For example:
+
+\starttyping
+% engine=luatex                    /BTEX \comment{use the \type{luatex} engine} /ETEX
+                                   /BTEX \comment{empty line for readability} /ETEX
+\setuplayout[width=25cm]           /BTEX \comment{set the width of your text} /ETEX
+                                   /BTEX \comment{empty line for readability} /ETEX
+\starttext                         /BTEX \comment{starts your text} /ETEX
+Hello Hasselt.                     /BTEX \comment{your text} /ETEX
+\stoptext                          /BTEX \comment{ends your text} /ETEX
+\stoptyping
+
+Note that \CONTEXT\ sees the text after the \type{ % }
+sign in this first line not as a comment.
+
+The preamble can have a meaning for both \CONTEXT\ and \SCITE:
+
+\starttyping
+% engine=pdftex interface=en modes=screen language=uk
+
+\starttext
+Hello Hasselt.
+\stoptext
+\stoptyping
+
+This will be interpreted as:
+
+\starttabulate[|T||p|]
+\NC engine=pdftex \NC \CONTEXT \EQ run as \PDFTEX \NC\NR
+\NC interface=en  \NC \CONTEXT \EQ expect english \CONTEXT\ commands (lexing) \NC\NR
+\NC               \NC \SCITE   \EQ use english lexing \NC\NR
+\NC modes=screen  \NC \CONTEXT \EQ invoke mode \type{screen} that is set in the text \NC\NR
+\NC language=uk   \NC \SCITE   \EQ use the english spell checker \NC\NR
+\stoptabulate
+
+\stopchapter
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-whatever.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-whatever.tex
new file mode 100644
index 00000000000..aa61bb0cb4f
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en-whatever.tex
@@ -0,0 +1,1079 @@
+\startcomponent ma-cb-en-whatever
+
+\enablemode[**en-us]
+
+\project ma-cb
+
+\startchapter[title=Miscellaneous]
+
+\startsection[title=A titlepage]
+
+\index{titlepage}
+
+\Command{\tex{startstandardmakeup}}
+\Command{\tex{definemakeup}}
+\Command{\tex{setupmakeup}}
+
+In the first example of this manual on \at{page}[inputfile] we used the command:
+
+\shortsetup{startnamemakeup}
+%\shortsetup{start<<name>>makeup} % does not work
+
+This command can be used to define titlepages. Such a command is needed since
+title pages often have a different layout than that of the bodytext. With the
+command pair \type{\start ... \stopstandardmakeup} you can make up a page within
+the default page dimensions.
+
+A simple titlepage may look like this:
+
+\startbuffer
+\startstandardmakeup
+\blank
+\rightaligned{\tfd Hasselt in the 21st century}
+\blank
+\rightaligned{\tfb The future}
+\vfill
+\rightaligned{\tfa C. van Marle}
+\rightaligned{Hasselt, 2013}
+\stopstandardmakeup
+\stopbuffer
+
+\typebuffer
+
+In a doublesided document you have to go through some additional actions to
+typeset the back of the titlepage.
+
+\startbuffer
+\startstandardmakeup[doublesided=no]
+\blank
+\rightaligned{\tfd Hasselt in the 21st century}
+\blank
+\rightaligned{\tfb The future}
+\vfill
+\rightaligned{\tfa C. van Marle}
+\rightaligned{Hasselt, \currentdate[year]}
+\stopstandardmakeup
+\startstandardmakeup[page=no]
+\vfill
+\copyright \currentdate[year]
+
+This book is dedicated to the people living in Hasselt. We
+want to thank photographer J. Jonker for manipulating the
+photos in this book in such a way that readers can get a
+clear picture of Hasselt's future look.
+\stopstandardmakeup
+\stopbuffer
+
+\typebuffer
+
+Your own make ups can be made and set up with:
+
+\shortsetup{definemakeup}
+
+and
+
+\shortsetup{setupmakeup}
+
+Please refer to the \goto {\CONTEXTWIKI} [ url (http://wiki.contextgarden.net/Command/setupmakeup) ]
+for more information on the \type{\start...\stopmakeup} command.
+
+\stopsection
+
+\startsection[reference=overlays,title=Overlays]
+
+\index{overlay}
+
+The overlay mechanism gives you the opportunity to add a specific layout
+to a text component. When there is a background option in a \CONTEXT\ command
+you can use overlays.
+
+\startbuffer
+\defineoverlay
+    [verticalbar]
+    [{\blackrule[height=2cm,width=.5cm,color=red]}]
+
+\defineoverlay
+    [horizontalbar]
+    [{\blackrule[height=.5cm,width=12cm,color=red]}]
+
+\framed
+  [width=12cm,
+   height=6cm,
+   background={color,foreground,verticalbar,horizontalbar},
+   offset=overlay,
+   backgroundcolor=blue,
+   frame=off]
+  {\blackrule[width=12cm,height=2cm,color=white]}
+\stopbuffer
+
+The flag of Hasselt could be defined with framed and a number of overlays:
+
+\typebuffer
+
+This will become:
+
+\startlinecorrection
+\getbuffer
+\stoplinecorrection
+
+The pagenumber in this manual has a background with an overlay where the
+\type{\MPclipFive} command takes care of drawing the image with \METAPOST.
+
+\startbuffer
+\defineoverlay
+  [NumberBackground]
+  [\MPclipFive{\overlaywidth}{\overlayheight}{30pt}{5pt}]
+
+\setuppagenumbering
+  [\location={footer,middle},
+   \command=\NummerCommand]
+
+\def\NummerCommand#1%
+  {\framed
+     [\background=NumberBackground,
+      \frame=off,
+      \offset=6pt]
+     {\lower.5\dp\strutbox\hbox spread 60pt{\hss#1\hss}}}
+\stopbuffer
+
+\typebuffer
+
+\stopsection
+
+\startsection[reference=setups,title=Setups]
+
+\index{setups}
+
+\Command{\tex{setup}}
+
+While defining the layout of a document you can define setups
+with \type{\start...\stopsetups}. Setups are placed in the setup area of
+input file and mostly used to combine a number of commands.
+
+\startbuffer
+\startsetups colorize
+    \blue
+\stopsetups
+
+\startsetups decolorize
+    \black
+\stopsetups
+
+\setupitemize
+    [before=\setups{colorize},
+     after=\setups{decolorize}]
+
+Some data on the church are:
+
+\startitemize[packed,3*broad]
+\sym{997}  mentioned for the first time
+\sym{1380} destroyed by fire
+\sym{1466} rebuild
+\sym{1657} restored after shelling by enemy troops
+\sym{1725} struck by lightning
+\stopitemize
+
+\stopbuffer
+
+\typebuffer
+
+Which would result in:
+
+\start % AFO: to keep color and distance local
+\getbuffer
+\stop
+
+Another way of invoking the setups is by the \type{setups} option
+that comes with some \CONTEXT\ commands:
+
+\startbuffer
+\definestartstop[remark]
+
+\setupstartstop[remark]
+  [before=\startframed,
+   after=\stopframed]
+
+\startsetups important
+  \inleftmargin
+    [scope=local,
+     hoffset=1em]{\bf\color[blue]{→}}
+\stopsetups
+
+\setupframed
+  [align=normal,
+   setups=important,
+   frame=on,
+   framecolor=blue,
+   offset=5pt]
+
+\startremark
+  The Stephanus Church was built in 997. After an enormous
+  fire in 1380 it was rebuilt and that's why it has Gothic
+  features. The rebuilding was finished in 1466.\endgraf
+\stopremark
+\stopbuffer
+
+\typebuffer
+
+This becomes:
+
+\blank
+
+\start
+\getbuffer
+\stop
+
+\stopsection
+
+\startsection[reference=variables,title=Variables]
+
+\index{variables}
+
+\Command{\tex{getvariable}}
+\Command{\tex{setvariables}}
+
+There is a mechanism in \CONTEXT\ that enables you to compact information in a
+list of variables that you can recall throughout the document.
+
+\shortsetup{setvariables}
+
+The example below shows how to use variables in defining a coverpage.
+
+\startbuffer
+\setvariables
+  [cover]
+  [set=\setups{coverpage},
+   student=no,
+   teacher=yes,
+   title=From Hasselt to America,
+   subtitle=An Odyssey,
+   authors=\setup{allauthors},
+   edition=2012,
+   isbn=0123456789]
+\stopbuffer
+
+\typebuffer
+
+The moment you need the title on your cover page (or somewhere else in your document) you can
+summon it by:
+
+\startbuffer
+\getvariable{cover}{title}
+\stopbuffer
+
+\typebuffer
+
+\stopsection
+
+\startsection[reference=floatingblocks,title=Floating blocks]
+
+\index{floating blocks}
+\index{postponing a block}
+
+\Command{\tex{definefloat}}
+\Command{\tex{setupfloat}}
+\Command{\tex{setupfloats}}
+\Command{\tex{setupcaptions}}
+\Command{\tex{placeintermezzo}}
+
+A block in \CONTEXT\ is a text element, for example a table or a figure that you
+can process in a special way. You have already seen the use of
+\type{\placefigure} and \type{\placetable}. These are both examples of floating
+blocks. The floating mechanism is described in \in{chapter}[figures] and
+\in[tables].
+
+You can define these kind of blocks yourself with:
+
+\shortsetup{definefloat}
+
+The bracket pairs are used for the name in singular and
+plural form. For example:
+
+\starttyping
+\definefloat[intermezzo][intermezzi]
+\stoptyping
+
+Now the following commands are available:
+
+\starttyping
+\placeintermezzo[][]{}{}
+\startintermezzotext ... \stopintermezzotext
+\placelistofintermezzi
+\completelistofintermezzi
+\stoptyping
+
+The newly defined floating block can be set up with:
+
+\shortsetup{setupfloat}
+
+You can set up the layout of floating blocks with:
+
+\shortsetup{setupfloats}
+
+You can set up the numbering and the labels with:
+
+\shortsetup{setupcaption}
+
+These commands are typed in the set up area of your input file and will have a
+global effect on all floating blocks.
+
+\setupframedtexts
+    [width=.8\makeupwidth,
+     background=color,
+     backgroundcolor=gray,
+     corner=round,
+     framecolor=blue,
+     rulethickness=2pt]
+
+\startbuffer
+\setupfloat[intermezzo][location=middle]
+\setupcaption[location=bottom,headstyle=boldslanted]
+
+\placeintermezzo{An intermezzo.}
+\startframedtext
+At the beginning of this century there was a tram line from
+Zwolle to Blokzijl via Hasselt. Other means of transport became
+more important and just before the second world war the tram line
+was stopped. Nowadays such a tram line would have been very
+profitable.
+\stopframedtext
+\stopbuffer
+
+\typebuffer
+
+\start
+\getbuffer
+\stop
+
+The framed texts inherits its layout from the example \at{page}[block:bridge].
+
+Tables or figures may take up a lot of space. The placing of these text elements
+can be postponed till the next page break. This is done with:
+\type{\start ... \stoppostponing}:
+
+\startbuffer
+\startpostponing
+\placefigure
+  {A postponed figure.}
+  {\externalfigure[ma-cb-16][width=\textwidth]}
+\stoppostponing
+\stopbuffer
+
+\typebuffer
+
+The figure will be placed at the top of the next page and will cause minimal
+disruption of the running text.
+
+\getbuffer
+
+\stopsection
+
+% \startsection[reference=textblocks,title=Text blocks] % AFO 2013: weggehaald, wordt toch nooit gebruikt
+
+% \index{text blocks}
+
+% \Command{\tex{defineblock}}
+% \Command{\tex{useblocks}}
+% \Command{\tex{hideblocks}}
+% \Command{\tex{setupblock}}
+
+% \stopsection
+
+\startsection[title=Storing text for later use]
+
+\index{storing text}
+
+\Command{\tex{startbuffer}}
+\Command{\tex{getbuffer}}
+\Command{\tex{typebuffer}}
+\Command{\tex{savebuffer}}
+\Command{\tex{setupbuffer}}
+
+You can store information temporarily for future use in your document with:
+
+\shortsetup{startbuffer}
+
+For example:
+
+\starttyping
+\startbuffer[visit]
+If you want to see what Hasselt has in store you should come and
+visit it some time. If you take this manual with you, you will
+recognise some locations.
+\stopbuffer
+
+\getbuffer[visit]
+\stoptyping
+
+With \type{\getbuffer[visit]} you recall the stored text. The logical name is
+optional. With \type{\typebuffer[visit]} you get back the typeset version of the
+content of the buffer.
+
+Buffers are set up with:
+
+\shortsetup{setupbuffer}
+
+You can also save a buffer to an external file with:
+
+\shortsetup{savebuffer}
+
+If you want to save the buffer \type{visit} in an external file called
+\type{myfile-sightseeing.tmp} you type:
+
+\starttyping
+\savebuffer[visit][sightseeing]
+\stoptyping
+
+\stopsection
+
+\startsection[title=Lines]
+
+\index{lines}
+
+\Command{\tex{hairline}}
+\Command{\tex{starttextrule}}
+\Command{\tex{thinrule}}
+\Command{\tex{thinrules}}
+\Command{\tex{setupthinrules}}
+\Command{\tex{underbar}}
+\Command{\tex{overstrikes}}
+\Command{\tex{periods}}
+
+There are many comands to draw lines. For a single line you type:
+
+\shortsetup{hairline}
+
+or:
+
+\shortsetup{thinrule}
+
+For more lines you type:
+
+\shortsetup{thinrules}
+
+Text in combination with lines is also possible:
+
+\startbuffer
+\starttextrule{Hasselt -- Amsterdam}
+If you draw a straight line from Hasselt to Amsterdam you would have
+to cover a distance of almost 145 \unit{Kilo Meter}.
+\stoptextrule
+
+If you draw two straight lines from Hasselt to Amsterdam you would
+have to cover a distance of almost 290 \unit{Kilo Meter}.
+
+Amsterdam \thinrules[n=3] Hasselt
+\stopbuffer
+
+\getbuffer
+
+The code of this example is:
+
+\typebuffer
+
+You always have to be careful in drawing lines. Empty lines around
+\type{\thinrules} must not be forgotten and the vertical spacing is always a
+point of concern.
+
+You can set up line spacing with:
+
+\shortsetup{setupthinrules}
+
+There are a few complementary commands that might be very
+useful.
+
+\shortsetup{setupfillinrules}
+
+These commands are introduced in the examples below:
+
+\startbuffer
+\setupfillinrules[width=2cm]
+\setupfillinlines[width=3cm]
+
+\fillinrules[n=1]{\bf name}
+\fillinrules[n=3]{\bf adress}
+
+\fillinline{Can you please state the \underbar{number} of houses
+            in Hasselt.} \par
+
+Strike out \overstrikes{Hasselt in this text}\periods[18]
+\stopbuffer
+
+\typebuffer
+
+This will become:
+
+\getbuffer
+
+These commands are used in questionaires. Text that is
+struck out or underlined will not be hyphenated.
+
+In \in{section}[overlays] you have already seen the use of the
+\type{\blackrule} command that can be set up with:
+
+\shortsetup{setupblackrules}
+
+\startbuffer
+\blank
+\blackrule[width=\textwidth,height=1cm,color=blue]
+\stopbuffer
+
+\typebuffer
+
+This will result in a rather fat line:
+
+\getbuffer
+
+
+\stopsection
+
+\startsection[title=Super- and subscript in text]
+
+\index{subscript}
+\index{superscript}
+
+\Command{\tex{low}}
+\Command{\tex{high}}
+\Command{\tex{lohi}}
+
+\startbuffer
+Hasselt's economy has known its \high{ups} and \low{downs}.
+Since the nineties of the last century its economy is
+\lohi{so}{so}.
+\stopbuffer
+
+\getbuffer
+
+This ugly text was made with \type{\low{}}, \type{\high{}} and \type{\lohi{}{}}.
+The text was placed between the curly braces.
+
+\stopsection
+
+\startsection[title=Date]
+
+\index{date}
+
+\Command{\tex{currentdate}}
+
+You can invoke the system date in your text with:
+
+\shortsetup{currentdate}
+
+With \type{\currentdate[day]}, \type{\currentdate[month]} and \type{\currentdate[year]} you can
+invoke day, month and year separately.
+
+\stopsection
+
+\startsection[title=Rotating text, figures and tables]
+
+\index{rotating}
+
+\Command{\tex{rotate}}
+
+Sometimes you may want to rotate text or images. You can rotate
+text and other objects with:
+
+\shortsetup{rotate}
+
+The first bracket pair is optional. Within that bracket pair
+you specify the rotation: \type{rotation=90}. The curly
+braces contain the text or object you want to rotate.
+
+\startbuffer
+Hasselt got its municipal rights in 1252. From that time on it had
+the \rotate[rotation=90]{right} to use its own seal on official
+documents. This seal showed Holy Stephanus known as one of the first
+Christian martyrs, and was the \rotate[rotation=270]{patron} of
+Hasselt. After the Reformation the seal was redesigned and Stephanus
+lost his \quote{holiness} and was from that time on depicted without
+his aureole.
+\stopbuffer
+
+\typebuffer
+
+This results in a very ugly paragraph:
+
+\getbuffer
+
+You can rotate an image just as easily:
+
+%  \placetable[rotate][]{}{}
+
+\startbuffer
+\placefigure
+  [][fig:rotation]
+  {The 180 \unit{Degrees} rotated fishing port (de Vispoort).}
+  {\rotate[rotation=180]{\externalfigure[ma-cb-15][width=10cm]}}
+\stopbuffer
+
+\typebuffer
+
+You can see in \in{figure}[fig:rotation] that it is not always clear what you get
+when you rotate.
+
+\getbuffer
+
+We can set up rotating with:
+
+\shortsetup{setuprotate}
+
+In the example above you could also rotate image and caption by:
+
+\startbuffer
+\placefigure
+  [180][fig:rotation]
+  {The 180 \unit{Degrees} rotated fishing port (de Vispoort).}
+  {\externalfigure[ma-cb-15][width=10cm]}
+\stopbuffer
+
+\typebuffer
+
+\stopsection
+
+\startsection[title=Scaling text]
+
+\index{scaling}
+
+\Command{\tex{scale}}
+\Command{\tex{setupscale}}
+
+For some obscure reasons you may want to scale text. You can scale text and other
+objects with:
+
+\shortsetup{scale}
+
+\startbuffer
+After 1810 the Dedemsvaart brought some prosperity to Hasselt. All
+ships went through the canals of Hasselt and the \scale[factor=10]{shops} on both
+sides of the canals \scale[factor=10]{prospered}.
+\stopbuffer
+
+\typebuffer
+
+Which will result in:
+
+\getbuffer
+
+\stopsection
+
+\startsection[title=Space]
+
+\index{space}
+\index{tilde}
+\index{non-breakable space}
+
+\Command{\tex{space}}
+\Command{\tex{fixedspaces}}
+
+The command \type{\space} will produce a space. In \CONTEXT\ the
+\type{~} (tilde) is a non-breakable space.
+
+\startbuffer
+The Ridderstraat in Hasselt is about 160~m long and 5 to 6~m wide
+with houses on both sides of the street.
+\stopbuffer
+
+\typebuffer
+
+Tildes can also be used to align numbers in a row. The command
+\type{\fixedspaces} will give the tilde the fixed width of a number.
+
+\startbuffer
+\fixedspaces
+
+\bTABLE[frame=off]
+\bTR \bTD Ridderstraat  \eTD \bTD 160 m \eTD \eTR
+\bTR \bTD Prinsengracht \eTD \bTD 240 m \eTD \eTR
+\bTR \bTD Kalverstraat  \eTD \bTD ~60 m \eTD \eTR
+\bTR \bTD Meestersteeg  \eTD \bTD ~45 m \eTD \eTR
+\eTABLE
+\stopbuffer
+
+\typebuffer
+
+\stopsection
+
+\startsection[title=Carriage return]
+
+\index{carriage return}
+
+\Command{\tex{crlf}}
+\Command{\tex{startlines}}
+
+A new line can be enforced with:
+
+\shortsetup{crlf}
+
+As a \CONTEXT\ user you should use this command only as a last resort.
+
+When a number of lines should be followed by a {\em carriage return and line feed}
+you can use:
+
+\shortsetup{startlines}
+
+\starttyping
+\startlines
+.
+.
+.
+\stoplines
+\stoptyping
+
+\startbuffer
+On a wooden panel in the town hall of Hasselt you can read:
+
+\startlines
+Heimelijcken haet
+eigen baet
+jongen raet
+Door diese drie wilt verstaen
+is het Roomsche Rijck vergaen.
+\stoplines
+
+This little rhyme contains a warning for the magistrates of
+Hasselt: don't allow personal benefits or feelings to
+influence your wisdom in decision making.
+\stopbuffer
+
+\typebuffer
+
+This will become:
+
+\getbuffer
+
+In a few commands new lines are generated by \type{\\}. For example if you type
+\type{\inmargin{in the\\margin}} then the text will be divided over two lines.
+
+\stopsection
+
+\startsection[title=Hyphenation]
+
+\index{hyphenation}
+\index{language}
+
+\Command{\tex{mainlanguage}}
+\Command{\tex{language}}
+\Command{\tex{nl}}
+\Command{\tex{en}}
+
+When writing multi-lingual texts you have to be aware of the fact that
+hyphenation may differ from one language to another.
+
+To activate a language you type:
+
+\shortsetup{mainlanguage}
+
+Between the brackets you fill in
+\type{af},
+\type{ca},
+\type{cs},
+\type{cs},
+\type{da},
+\type{de},
+\type{en},
+\type{fi},
+\type{fr},
+\type{it},
+\type{la},
+\type{nl},
+\type{nb},
+\type{nn},
+\type{pl},
+\type{pt},
+\type{es},
+\type{sv} and
+\type{tr} for
+afrikaans,
+catalan,
+czech,
+slovak,
+danish,
+german,
+english,
+finnish,
+french,
+italian,
+latin,
+dutch,
+bokmal,
+nnynorsk,
+polish,
+portuguese,
+spanish,
+swedish and
+turkish respectively.
+
+To change from one language to another you can use:
+
+\starttyping
+\language[nl] \language[en] \language[de] \language[fr] \language[sp] ...
+\stoptyping
+
+or the shorthand versions:
+
+\starttyping
+\nl  \en  \de  \fr  \sp ...
+\stoptyping
+
+An example:
+
+\startbuffer
+If you want to know more about Hasselt, the best book to read is
+probably \quote{\nl Uit de geschiedenis van Hasselt} by
+F.~Peereboom.
+\stopbuffer
+
+\typebuffer
+
+\getbuffer
+
+If a word is wrongly hyphenated you can define the hyphenation points yourself.
+This is done in the set up area of your input file:
+
+\startbuffer
+\hyphenation{his-to-ry}
+\stopbuffer
+
+\typebuffer
+
+Note that the language setting is also responsible for the way quotes are placed
+around quotes and quotations (see \in{section}[quotations]).
+
+In some languages (like Dutch) compound words are used that are connected with a
+hyphen. The separate words have to be hyphenated correctly. In order to do that
+you can use \type{||}.
+
+\startbuffer
+If your looking for an English||speaking person in Hasselt you should
+go to the Tourist Information Office. There you may expect to find
+full|| and part||time employees who are fluent in German, English,
+French and of course Dutch.
+\stopbuffer
+
+\typebuffer
+
+This will become:
+
+\getbuffer
+
+The double \type{||} takes care of the hyphen and the correct hyphenation of the
+separate words. Also note the suspended compounds.
+
+\stopsection
+
+\startsection[title=Charts]
+
+\index{chart}
+
+\Command{\tex{FLOWchart}}
+
+To enable you to draw flow diagrams \CONTEXT\ contains the core module
+\type{chart}. A simple organogram may look like this:
+
+\startbuffer
+\setupFLOWcharts
+  [width=9\bodyfontsize,
+   height=2\bodyfontsize,
+   dx=1\bodyfontsize,
+   dy=1\bodyfontsize]
+
+\setupFLOWlines
+  [arrow=no]
+
+\startFLOWchart[organogram]
+  \startFLOWcell
+    \shape    {action}
+    \name     {01}
+    \location {2,1}
+    \text     {Zwartewaterland}
+    \connect  [bt]{02}
+    \connect  [bt]{03}
+    \connect  [bt]{04}
+  \stopFLOWcell
+  \startFLOWcell
+    \shape    {action}
+    \name     {02}
+    \location {1,2}
+    \text     {Hasselt}
+  \stopFLOWcell
+  \startFLOWcell
+    \shape    {action}
+    \name     {03}
+    \location {2,2}
+    \text     {Zwartsluis}
+  \stopFLOWcell
+  \startFLOWcell
+    \shape    {action}
+    \name     {04}
+    \location {3,2}
+    \text     {Genemuiden}
+  \stopFLOWcell
+\stopFLOWchart
+\stopbuffer
+
+\midaligned{\getbuffer\FLOWchart[organogram]}
+
+This diagram is defined with the commands below:
+
+\typebuffer
+
+It is of good practice to define your setups and flow diagrams in separate
+definition files (environments).
+
+\startbuffer
+\FLOWchart[organogram]
+\stopbuffer
+
+The flowchart can then be invoked by:
+
+\typebuffer
+
+\stopsection
+
+\startsection[title=Comment in input file]
+
+\index{comment}
+\index[percent]{\% in input file}
+
+All text between \type{\start...\stoptext} will be processed while running
+\CONTEXT. Sometimes however you may have text fragments you don't want to be
+processed or you want to comment on your \CONTEXT\ commands.
+
+If you preceed your text with the percentage sign \type{%}
+it will not be processed.
+
+\startbuffer
+% In very big documents you can use the command \input for
+% different files.
+%
+% For example:
+%
+% \input hass01.tex  % chapter 1 on Hasselt
+% \input hass02.tex  % chapter 2 on Hasselt
+% \input hass03.tex  % chapter 3 on Hasselt
+\stopbuffer
+
+\typebuffer
+
+When you delete the \type{%} before \type{\input} the three files will be
+processed. The comment describing the contents of the files will not be
+processed.
+
+\stopsection
+
+\startsection[title=Notes]
+
+\index{note}
+
+\Command{\tex{startcomment}}
+
+If you want your comment in the input file visible as a 'note' in the PDF file
+you can use:
+
+\shortsetup{startcomment}
+
+\startbuffer
+\startcomment
+    The image of the Vispoort should be in color.
+\stopcomment
+\stopbuffer
+
+\typebuffer
+
+The command will produce a sticky note in the PDF.
+
+The note is only visible when interactivity is set with \type{\setupinteraction}
+and the comment with \type{\setupcomment}.
+
+\stopsection
+
+\startsection[title=Hiding text]
+
+\index{hiding text}
+
+\Command{\tex{starthiding}}
+
+Text can be hidden with:
+
+\shortsetup{starthiding}
+
+The text between \type{\start ... \stophiding} will not be processed.
+
+\stopsection
+
+\startsection[title=Input of another {\tt tex} file]
+
+\index{input other \TEX--files}
+
+\Command{\tex{input}}
+
+In a number of situations you may want to insert other \TEX\ files in your input
+file. For example, sometimes it is more efficient to specify \CONTEXT\ sources in
+more than one file in order to be able to partially process your files.
+
+Another file (with the name \type{another.tex}) can be inserted by:
+
+\starttyping
+\input another.tex
+\stoptyping
+
+The extension is optional so this will work too:
+
+\starttyping
+\input another
+\stoptyping
+
+The command \type{\input} is a \TEX\ command.
+
+For a more systematic approach in maintaining your documents \CONTEXT\ supports a
+project structure with commands like \type{\start...\stopenvironment} and
+\type{\start...\stopproduct}. Please refer to the magazine
+\goto {\em Project structure} [ url(thisway:proj-struc) ]
+for more information.
+
+\stopsection
+
+\startsection[title=XML (eXtended Markup Language)]
+
+\index{xml}
+\index{mathml}
+\index{openmath}
+
+Normally you code your document with \CONTEXT\ commands so you can tell \CONTEXT\
+what to do with the coded text elements.
+
+A more rigid way to code your content is \XML\ (eXtended Markup Language) which enables
+you to have more control over your content (scripting, xslt, validation). A simple
+\XML\ coded document could look like this:
+
+\startbuffer
+<?xml version='1.0' standalone='yes?>
+
+<document>
+  <section>
+    <title>Hasselt in winter</title>
+    <content>
+      <p>In winter scating is a very popular sport in Hasselt.
+         All over Hasselt the frozen canals offer children a great
+         play ground.</p>
+      <p>...</p>
+    </content>
+  </section>
+</document>
+\stopbuffer
+
+\typebuffer
+
+\CONTEXT\ is able to deal with \XML\ directly without underlying XML2TEX
+conversions. Please refer to the manual \goto {Dealing with XML} [ url
+(manual:xml) ] for more information on how to process \XML\ documents.
+
+\CONTEXT\ also supports \MATHML\ (presentational and content markup) and
+\OPENMATH\ with which math expressions can be coded in \XML\ documents.
+
+\stopsection
+
+\stopchapter
+
+\stopcomponent
+
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en.pdf b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en.pdf
new file mode 100644
index 00000000000..6ad164eb06c
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en.pdf
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en.tex
new file mode 100644
index 00000000000..2e0b283af65
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-en.tex
@@ -0,0 +1,86 @@
+% interface=english language=uk modes=screen,bound
+
+% \showframe
+
+\startproduct ma-cb-en
+
+\project ma-cb
+
+% \disabledirectives[otf.kernruns]
+% \disabledirectives[otf.discruns]
+% \disabledirectives[otf.compruns]
+
+\startdocument
+  [title={\ConTeXt\ Mark IV\crlf an excursion},
+   subtitle={English\crlf version},
+   author={Ton Otten\crlf PRAGMA ADE}]
+
+\startfrontmatter
+
+    \component ma-cb-en-introduction
+
+\stopfrontmatter
+
+\startbodymatter
+
+    \component ma-cb-en-document
+    \component ma-cb-en-gettingstarted
+    \component ma-cb-en-specialcharacters
+    \component ma-cb-en-structure
+    \component ma-cb-en-setupcommands
+    \component ma-cb-en-heads
+    \component ma-cb-en-itemizations
+    \component ma-cb-en-math
+    \component ma-cb-en-chemical
+    \component ma-cb-en-units
+    \component ma-cb-en-bibliography
+    \component ma-cb-en-figures
+    \component ma-cb-en-tables
+    \component ma-cb-en-tabulations
+    \component ma-cb-en-columns
+    \component ma-cb-en-footnotes            % Hans: zie lokale voetnoot tabel
+    \component ma-cb-en-citations
+    \component ma-cb-en-descriptions
+    \component ma-cb-en-enumerations
+    \component ma-cb-en-frames               % Hans 2015: "background=linear shape" werkt niet en zorgt ervoor dat de background van de shortsetup niet meer werken
+    \component ma-cb-en-framedtexts
+    \component ma-cb-en-margintexts
+    \component ma-cb-en-pages
+    \component ma-cb-en-headers
+    \component ma-cb-en-tablesofcontent
+    \component ma-cb-en-registers
+    \component ma-cb-en-synonyms
+    \component ma-cb-en-sortedlists
+    \component ma-cb-en-references
+    \component ma-cb-en-color
+    \component ma-cb-en-alignments
+    \component ma-cb-en-interactivity        % Hans: de soundtrack werkt niet en crossref met hasseltbook.tex werkt niet
+    \component ma-cb-en-fonts
+    \component ma-cb-en-composedcharacters
+    \component ma-cb-en-layout
+    \component ma-cb-en-pagebackgrounds
+    \component ma-cb-en-textbackgrounds
+    \component ma-cb-en-paragraphs
+    \component ma-cb-en-commands
+    \component ma-cb-en-whatever
+    \component ma-cb-en-modules
+    \component ma-cb-en-presentations
+    \component ma-cb-en-metapost
+    \component ma-cb-en-usersetups
+
+\stopbodymatter
+
+\startappendices
+
+    \component ma-cb-en-mathcharacters
+    \component ma-cb-en-errors
+    \component ma-cb-en-texteditor
+    \component ma-cb-en-processingfiles
+    \component ma-cb-en-runtimefiles
+
+\stopappendices
+
+\stopdocument
+
+\stopproduct
+
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-language.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-language.tex
new file mode 100644
index 00000000000..5c6d91d07ed
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/ma-cb-language.tex
@@ -0,0 +1,21 @@
+\startenvironment ma-cb-language
+
+\mainlanguage[en]
+
+\setuplabeltext
+  [en]
+  [            document:author=Main author,
+               document:design=Design and style,
+        document:contributions=Contributions,
+         document:translations=Translations,
+        document:illustrations=Illustrations,
+   document:commanddefinitions=Command definitions,
+         document:commandindex=Command index,
+         document:subjectindex=Subject index,
+             document:contents=Contents,
+              document:manuals=Manuals,
+            document:magazines=Magazines,
+    document:supportandreading=Support and further reading,
+       document:furtherreading=Further reading]
+
+\stopenvironment
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/en/sounds-001.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/sounds-001.tex
new file mode 100644
index 00000000000..7d1428113a9
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/en/sounds-001.tex
@@ -0,0 +1,34 @@
+\definerenderingwindow
+  [example]
+  [width=0pt,height=0pt,frame=off]
+
+\setupinteraction[state=start]
+
+\useexternalrendering
+  [mysound]
+  [audio/mpeg] % audio/x-mp3
+  [akkerman.mp3]
+  []
+
+\definereference [StartSoundTrack] [StartRendering{mysound}]
+\definereference [StopSoundTrack]  [StopRendering{mysound}]
+
+\definelayer[resources][width=\paperwidth,height=\paperheight]
+
+\setupbackgrounds[page][background=resources]
+
+\starttext
+
+    \setlayer[resources]{\placerenderingwindow[example][mysound]} % once
+
+    \startTEXpage
+        \button{start}[StartSoundTrack]
+        \button{stop}[StopSoundTrack]
+    \stopTEXpage
+
+    \startTEXpage
+        \button{start}[StartSoundTrack]
+        \button{stop}[StopSoundTrack]
+    \stopTEXpage
+
+\stoptext
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/cow.pdf b/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/cow.pdf
new file mode 100644
index 00000000000..2441faf74e7
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/cow.pdf
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/fig-page-areas-en.md b/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/fig-page-areas-en.md
new file mode 100644
index 00000000000..b7c0ab5a636
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/fig-page-areas-en.md
@@ -0,0 +1,830 @@
+%!PS-Adobe-3.0 EPSF-3.0
+%%Creator: Mayura Draw, Version 4.3
+%%Title: fig-page-areas-en.md
+%%CreationDate: Fri Jan 10 14:38:13 2014
+%%BoundingBox: 8 140 580 700
+%%DocumentFonts: ArialMT
+%%+ Arial-BoldMT
+%%Orientation: Portrait
+%%EndComments
+%%BeginProlog
+%%BeginResource: procset MayuraDraw_ops
+%%Version: 4.3
+%%Copyright: (c) 1993-2003 Mayura Software
+/PDXDict 100 dict def
+PDXDict begin
+% width height matrix proc key cache
+% definepattern -\> font
+/definepattern { %def
+  7 dict begin
+    /FontDict 9 dict def
+    FontDict begin
+      /cache exch def
+      /key exch def
+      /proc exch cvx def
+      /mtx exch matrix invertmatrix def
+      /height exch def
+      /width exch def
+      /ctm matrix currentmatrix def
+      /ptm matrix identmatrix def
+      /str
+      (xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx)
+      def
+    end
+    /FontBBox [ %def
+      0 0 FontDict /width get
+      FontDict /height get
+    ] def
+    /FontMatrix FontDict /mtx get def
+    /Encoding StandardEncoding def
+    /FontType 3 def
+    /BuildChar { %def
+      pop begin
+      FontDict begin
+        width 0 cache { %ifelse
+          0 0 width height setcachedevice
+        }{ %else
+          setcharwidth
+        } ifelse
+        0 0 moveto width 0 lineto
+        width height lineto 0 height lineto
+        closepath clip newpath
+        gsave proc grestore
+      end end
+    } def
+    FontDict /key get currentdict definefont
+  end
+} bind def
+
+% dict patternpath -
+% dict matrix patternpath -
+/patternpath { %def
+  dup type /dicttype eq { %ifelse
+    begin FontDict /ctm get setmatrix
+  }{ %else
+    exch begin FontDict /ctm get setmatrix
+    concat
+  } ifelse
+  currentdict setfont
+  FontDict begin
+    FontMatrix concat
+    width 0 dtransform
+    round width div exch round width div exch
+    0 height dtransform
+    round height div exch
+    round height div exch
+    0 0 transform round exch round exch
+    ptm astore setmatrix
+
+    pathbbox
+    height div ceiling height mul 4 1 roll
+    width div ceiling width mul 4 1 roll
+    height div floor height mul 4 1 roll
+    width div floor width mul 4 1 roll
+
+    2 index sub height div ceiling cvi exch
+    3 index sub width div ceiling cvi exch
+    4 2 roll moveto
+
+    FontMatrix ptm invertmatrix pop
+    { %repeat
+      gsave
+        ptm concat
+        dup str length idiv { %repeat
+          str show
+        } repeat
+        dup str length mod str exch
+        0 exch getinterval show
+      grestore
+      0 height rmoveto
+    } repeat
+    pop
+  end end
+} bind def
+
+% dict patternfill -
+% dict matrix patternfill -
+/patternfill { %def
+  gsave
+    eoclip patternpath
+  grestore
+  newpath
+} bind def
+
+/img { %def
+  gsave
+  /imgh exch def
+  /imgw exch def
+  concat
+  imgw imgh 8
+  [imgw 0 0 imgh neg 0 imgh]
+  /colorstr 768 string def
+  /colorimage where {
+    pop
+    { currentfile colorstr readhexstring pop }
+    false 3 colorimage
+  }{
+    /graystr 256 string def
+    {
+      currentfile colorstr readhexstring pop
+      length 3 idiv
+      dup 1 sub 0 1 3 -1 roll
+      {
+        graystr exch
+        colorstr 1 index 3 mul get 30 mul
+        colorstr 2 index 3 mul 1 add get 59 mul
+        colorstr 3 index 3 mul 2 add get 11 mul
+        add add 100 idiv
+        put
+      } for
+      graystr 0 3 -1 roll getinterval
+    } image
+  } ifelse
+  grestore
+} bind def
+
+/arrowhead {
+  gsave
+    [] 0 setdash
+    strokeC strokeM strokeY strokeK setcmykcolor
+    2 copy moveto
+    4 2 roll exch 4 -1 roll exch
+    sub 3 1 roll sub
+    exch atan rotate dup scale
+    arrowtype
+    dup 0 eq {
+      -1 2 rlineto 7 -2 rlineto -7 -2 rlineto
+      closepath fill
+    } if
+    dup 1 eq {
+      0 3 rlineto 9 -3 rlineto -9 -3 rlineto
+      closepath fill
+    } if
+    dup 2 eq {
+      -6 -6 rmoveto 6 6 rlineto -6 6 rlineto
+      -1.4142 -1.4142 rlineto 4.5858 -4.5858 rlineto
+      -4.5858 -4.5858 rlineto closepath fill
+    } if
+    dup 3 eq {
+      -6 0 rmoveto -1 2 rlineto 7 -2 rlineto -7 -2 rlineto
+      closepath fill
+    } if
+    dup 4 eq {
+      -9 0 rmoveto 0 3 rlineto 9 -3 rlineto -9 -3 rlineto
+      closepath fill
+    } if
+    dup 5 eq {
+      currentpoint newpath 3 0 360 arc
+      closepath fill
+    } if
+    dup 6 eq {
+      2.5 2.5 rmoveto 0 -5 rlineto -5 0 rlineto 0 5 rlineto
+      closepath fill
+    } if
+    pop
+  grestore
+} bind def
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diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/ma-cb-00.mp b/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/ma-cb-00.mp
new file mode 100644
index 00000000000..be9ad9b2884
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/ma-cb-00.mp
@@ -0,0 +1,1282 @@
+% Converted from PostScript(TM) to MetaPost by pstoedit
+% MetaPost backend contributed by Scott Pakin <pakin@uiuc.edu>
+% pstoedit is Copyright (C) 1993 - 1999 Wolfgang Glunz <wglunz@geocities.com>
+
+% Generate structured PostScript
+prologues := 1;
+
+% Display a given string with its *baseline* at a given location
+% and with a given rotation angle
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+fill (61.3499,54.0598)--(64.0898,54.0598)..controls (64.3799,54.0598) and (64.6599,53.8398)..(64.6599,53.48)
+	--(64.6599,52.8298)..controls (64.6599,52.47) and (64.3799,52.1799)..(64.0898,52.1799)
+	--(61.3499,52.1799)..controls (60.99,52.1799) and (60.7,52.47)..(60.7,52.8298)
+	--(60.7,53.48)..controls (60.7,53.8398) and (60.99,54.0598)..(61.3499,54.0598)
+	--cycle;
+drawoptions (withcolor (0,0.2,1));
+pickup pencircle scaled 1.44bp;
+draw (61.3499,54.0598)--(64.0899,54.0598)..controls (64.3799,54.0598) and (64.6599,53.8398)..(64.6599,53.48)
+	--(64.6599,52.8298)..controls (64.6599,52.47) and (64.3799,52.1799)..(64.0899,52.1799)
+	--(61.3499,52.1799)..controls (60.99,52.1799) and (60.7,52.47)..(60.7,52.8298)
+	--(60.7,53.48)..controls (60.7,53.8398) and (60.99,54.0598)..(61.3499,54.0598)
+	--cycle;
+drawoptions (withcolor (0.9,0.95,1));
+pickup pencircle scaled 0bp;
+fill (118.74,51.46)--(119.6,51.46)..controls (119.89,51.46) and (120.1,51.6099)..(120.1,51.97)
+	--(120.1,54.7)..controls (120.1,54.99) and (119.89,55.21)..(119.6,55.21)
+	--(118.74,55.21)..controls (118.38,55.21) and (118.23,54.99)..(118.23,54.7)
+	--(118.23,51.97)..controls (118.23,51.6099) and (118.38,51.46)..(118.74,51.46)
+	--cycle;
+drawoptions (withcolor (0,0.2,1));
+pickup pencircle scaled 0.86bp;
+draw (118.74,51.46)--(119.6,51.46)..controls (119.89,51.46) and (120.1,51.6098)..(120.1,51.97)
+	--(120.1,54.7)..controls (120.1,54.99) and (119.89,55.21)..(119.6,55.21)
+	--(118.74,55.21)..controls (118.38,55.21) and (118.23,54.99)..(118.23,54.7)
+	--(118.23,51.97)..controls (118.23,51.6098) and (118.38,51.46)..(118.74,51.46)
+	--cycle;
+drawoptions (withcolor (0.9,0.95,1));
+pickup pencircle scaled 0bp;
+fill (117.73,56)--(120.46,56)..controls (120.75,56) and (120.97,55.7798)..(120.97,55.4199)
+	--(120.97,54.7798)..controls (120.97,54.49) and (120.75,54.2)..(120.46,54.2)
+	--(117.73,54.2)..controls (117.37,54.2) and (117.08,54.49)..(117.08,54.7798)
+	--(117.08,55.4199)..controls (117.08,55.7798) and (117.37,56)..(117.73,56)
+	--cycle;
+drawoptions (withcolor (0,0.2,1));
+pickup pencircle scaled 1.44bp;
+draw (117.73,56)--(120.46,56)..controls (120.75,56) and (120.97,55.7798)..(120.97,55.4199)
+	--(120.97,54.7798)..controls (120.97,54.49) and (120.75,54.2)..(120.46,54.2)
+	--(117.73,54.2)..controls (117.37,54.2) and (117.08,54.49)..(117.08,54.7798)
+	--(117.08,55.4199)..controls (117.08,55.7798) and (117.37,56)..(117.73,56)
+	--cycle;
+drawoptions (withcolor (0.6,0.3,0));
+pickup pencircle scaled 0bp;
+fill (51.7,90.3398)--(52.7798,90.3398)..controls (53.1399,90.3398) and (53.3599,90.6299)..(53.3599,90.99)
+	--(53.3599,94.2998)..controls (53.3599,94.6599) and (53.1399,94.8799)..(52.7798,94.8799)
+	--(51.7,94.8799)..controls (51.3398,94.8799) and (51.1299,94.6599)..(51.1299,94.2998)
+	--(51.1299,90.99)..controls (51.1299,90.6299) and (51.3398,90.3398)..(51.7,90.3398)
+	--cycle;
+drawoptions (withcolor (0.3,0.3,0.3));
+pickup pencircle scaled 0.86bp;
+draw (51.7,90.3399)--(52.7798,90.3399)..controls (53.1399,90.3399) and (53.3599,90.6299)..(53.3599,90.99)
+	--(53.3599,94.2998)..controls (53.3599,94.6599) and (53.1399,94.8799)..(52.7798,94.8799)
+	--(51.7,94.8799)..controls (51.3398,94.8799) and (51.1299,94.6599)..(51.1299,94.2998)
+	--(51.1299,90.99)..controls (51.1299,90.6299) and (51.3398,90.3399)..(51.7,90.3399)
+	--cycle;
+drawoptions (withcolor (1,1,1));
+pickup pencircle scaled 0bp;
+fill (50.48,95.8899)--(53.7898,95.8899)..controls (54.22,95.8899) and (54.5098,95.5999)..(54.5098,95.24)
+	--(54.5098,94.3799)..controls (54.5098,93.9399) and (54.22,93.6599)..(53.7898,93.6599)
+	--(50.48,93.6599)..controls (50.1199,93.6599) and (49.8298,93.9399)..(49.8298,94.3799)
+	--(49.8298,95.24)..controls (49.8298,95.5999) and (50.1199,95.8899)..(50.48,95.8899)
+	--cycle;
+drawoptions (withcolor (0.3,0.3,0.3));
+pickup pencircle scaled 1.44bp;
+draw (50.48,95.8899)--(53.7898,95.8899)..controls (54.22,95.8899) and (54.5098,95.5998)..(54.5098,95.24)
+	--(54.5098,94.3799)..controls (54.5098,93.9399) and (54.22,93.6599)..(53.7898,93.6599)
+	--(50.48,93.6599)..controls (50.1199,93.6599) and (49.8298,93.9399)..(49.8298,94.3799)
+	--(49.8298,95.24)..controls (49.8298,95.5998) and (50.1199,95.8899)..(50.48,95.8899)
+	--cycle;
+drawoptions (withcolor (0.2,0.2,0.2));
+draw (53,92.6499)..controls (53,88.8298) and (55.2998,80.4099)..(57.5398,76.8799)
+	..controls (59.7698,73.3498) and (63.5798,67.8799)..(63.5798,67.8799);
+pickup pencircle scaled 2.02bp;
+draw (63.1499,52.26)..controls (63.1499,52.26) and (57.0298,49.5198)..(41.98,52.98)
+	..controls (26.9399,56.3599) and (16.8599,66.01)..(15.8498,66.2998);
+drawoptions (withcolor (0.9,0,0));
+pickup pencircle scaled 0bp;
+fill (87.7,123.46)--(94.5398,123.46)--(94.5398,113.89)
+	--(87.7,113.89)--(87.7,123.46)--cycle;
+endfig;
+end
+
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/ma-cb-00.pdf b/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/ma-cb-00.pdf
new file mode 100644
index 00000000000..118276b5dae
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/ma-cb-00.pdf
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/ma-cb-01.png b/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/ma-cb-01.png
new file mode 100644
index 00000000000..be41b9e2284
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/ma-cb-01.png
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/ma-cb-03.png b/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/ma-cb-03.png
new file mode 100644
index 00000000000..2a0b2de586b
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/ma-cb-03.png
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/ma-cb-04.png b/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/ma-cb-04.png
new file mode 100644
index 00000000000..5487062fd97
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/ma-cb-04.png
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/ma-cb-07.png b/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/ma-cb-07.png
new file mode 100644
index 00000000000..e69c2877f61
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/ma-cb-07.png
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/ma-cb-08.png b/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/ma-cb-08.png
new file mode 100644
index 00000000000..e49426e89c4
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/ma-cb-08.png
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/ma-cb-12.png b/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/ma-cb-12.png
new file mode 100644
index 00000000000..f27252027f6
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/ma-cb-12.png
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/ma-cb-13.png b/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/ma-cb-13.png
new file mode 100644
index 00000000000..9e8d72e6c9d
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/ma-cb-13.png
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/ma-cb-15.png b/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/ma-cb-15.png
new file mode 100644
index 00000000000..8c7ed6ae7bc
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/ma-cb-15.png
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/ma-cb-16.png b/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/ma-cb-16.png
new file mode 100644
index 00000000000..e22eab8dcfe
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/ma-cb-16.png
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/ma-cb-18.png b/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/ma-cb-18.png
new file mode 100644
index 00000000000..25a529b33f6
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/ma-cb-18.png
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/ma-cb-19.png b/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/ma-cb-19.png
new file mode 100644
index 00000000000..d1af184c48b
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/ma-cb-19.png
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/ma-cb-20.png b/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/ma-cb-20.png
new file mode 100644
index 00000000000..28973888606
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/ma-cb-20.png
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/ma-cb-21.png b/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/ma-cb-21.png
new file mode 100644
index 00000000000..af876a5467d
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/ma-cb-21.png
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/ma-cb-22.png b/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/ma-cb-22.png
new file mode 100644
index 00000000000..55ded4c358b
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/ma-cb-22.png
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/ma-cb-23.png b/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/ma-cb-23.png
new file mode 100644
index 00000000000..9a1bf14e817
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/ma-cb-23.png
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/ma-cb-24.png b/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/ma-cb-24.png
new file mode 100644
index 00000000000..47b4409e0b4
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/ma-cb-24.png
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/ma-cb-25.png b/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/ma-cb-25.png
new file mode 100644
index 00000000000..079b8556ad1
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/ma-cb-25.png
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/ma-cb-26.png b/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/ma-cb-26.png
new file mode 100644
index 00000000000..f4294dc57bb
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/ma-cb-26.png
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/minibook-en.pdf b/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/minibook-en.pdf
new file mode 100644
index 00000000000..a75e7e4914d
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/minibook-en.pdf
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/minibook-en.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/minibook-en.tex
new file mode 100644
index 00000000000..1bde2de3cbe
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/graphics/minibook-en.tex
@@ -0,0 +1,20 @@
+\setuppapersize[A10][A10]
+\setuplayout[cutspace=2mm,backspace=6mm,width=15mm]
+\setupbodyfont[6pt]
+\setuppagenumbering[state=stop]
+\setupbackgrounds[text][text][background=color,backgroundcolor=orange]
+\setupbackgrounds[header,text,footer][leftmargin][background=color,backgroundcolor=lightgreen]
+\setupbackgrounds[header,text,footer][leftmargin,text,rightmargin][frame=on]
+\setupfootertexts[margin][\midaligned{l}][\midaligned{r}][\midaligned{r}][\midaligned{l}]
+\starttext
+\midaligned{design page} \page
+\setuppagenumbering[alternative={singlesided}]
+\inmargin{\midaligned{m}}\midaligned{left page}  \page
+\inmargin{\midaligned{m}}\midaligned{right page} \page
+\setuppagenumbering[alternative={singlesided,doublesided}]
+\inmargin{\midaligned{m}}\midaligned{left page}  \page
+\inmargin{\midaligned{m}}\midaligned{right page} \page
+\setuppagenumbering[alternative={doublesided}]
+\inmargin{\midaligned{m}}\midaligned{left page}  \page
+\inmargin{\midaligned{m}}\midaligned{right page}
+\stoptext
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/ma-cb-abbreviations.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/ma-cb-abbreviations.tex
new file mode 100644
index 00000000000..1f5f1074447
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/ma-cb-abbreviations.tex
@@ -0,0 +1,7 @@
+\startenvironment ma-cb-abbreviations
+
+% a weird one: (\keycap) ... volledige lijst maken ... symbol
+
+\logo [Enter] {\type{Enter}}
+
+\stopenvironment
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/ma-cb-colofon.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/ma-cb-colofon.tex
new file mode 100644
index 00000000000..feb77726a84
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/ma-cb-colofon.tex
@@ -0,0 +1,95 @@
+\startcomponent ma-cb-colophon
+
+\unprotect
+
+\startmakeup[\v!standard]
+
+    % This reference is needed for the interactive version.
+
+    \pagereference[colofon]
+
+    % We align the text in the middle.
+
+    \setupalign
+        [\v!middle]
+
+    % We use the default \framed macro but add a background. For most
+    % texts an offset of 20pt is adequate.
+
+    \defineframed
+        [colofon]
+        [\c!frame=\v!off,
+         \c!background=basic-shape-dark,
+         \c!rulethickness=10pt,
+         \c!align=\v!middle,
+         \c!offset=15pt]
+
+    \bfa \setupinterlinespace
+
+    \doifsomething {\documentvariable{author}} {
+
+        \dontleavehmode \startframed[colofon]
+            \labeltext{document:author}:\space
+            \documentvariable{author}
+        \stopframed
+
+        \vfill
+
+    }
+
+    \doifsomething {\documentvariable{translator}} {
+
+        \dontleavehmode \startframed[colofon]
+            \labeltext{document:translations}:\space
+            \documentvariable{translator}
+        \stopframed
+
+        \vfill
+
+    }
+
+    \doifsomething {\documentvariable{contributer}} {
+
+        \dontleavehmode \startframed[colofon]
+            \labeltext{document:contributions}:\space
+            \documentvariable{contributer}
+        \stopframed
+
+        \vfill
+
+    }
+
+    \dontleavehmode \startframed[colofon]
+        \labeltext{document:design}:\space
+        Hans Hagen
+    \stopframed
+
+    \vfill
+
+    \dontleavehmode \startframed[colofon]
+        \labeltext{document:illustrations}:\space
+        Johan Jonker
+    \stopframed
+
+    \vfill
+
+    \dontleavehmode \startframed[colofon][offset=25pt]
+        PRAGMA ADE\\
+        Ridderstraat 27\\
+        8061GH Hasselt NL\\
+        www.pragma-ade.com
+    \stopframed
+
+    \vfill
+
+    \dontleavehmode \startframed[colofon]
+        \currentdate
+    \stopframed
+
+    \vfill
+
+\stopmakeup
+
+\protect
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/ma-cb-copyright.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/ma-cb-copyright.tex
new file mode 100644
index 00000000000..abb344eef44
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/ma-cb-copyright.tex
@@ -0,0 +1,41 @@
+\startcomponent ma-cb-copyright
+
+% The copyright page. English it is and english it will be.
+
+\unprotect
+
+\page
+  [\v!right]
+
+\startmakeup[\v!standard]
+
+    \switchtobodyfont
+      [\v!small]
+
+    \setupframed
+      [\c!frame=\v!off,
+       \c!width=.8\textwidth,
+       \c!align=\v!normal,
+       \c!background=basic-shape-dark,
+       \c!rulethickness=10pt,
+       \c!offset=30pt]
+
+    \vfill
+
+    \hfill \startframed
+        This document is produced with \CONTEXT\ \MKIV\ and \LUATEX. The source is edited
+        with \SCITE\ and previewed with \SUMATRAPDF.
+    \stopframed
+
+    \blank[3*\v!big]
+
+    \hfill \startframed
+        \copyright\ 1991\endash\currentdate[\v!year]\ PRAGMA ADE, Ridderstraat 27, 8061GH
+        Hasselt, The Netherlands, www.pragma-ade.com
+    \stopframed
+
+\stopmakeup
+
+\protect
+
+\stopcomponent
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/ma-cb-graphics.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/ma-cb-graphics.tex
new file mode 100644
index 00000000000..bb85c00314b
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/ma-cb-graphics.tex
@@ -0,0 +1,266 @@
+\startenvironment ma-cb-graphics
+
+% These graphics were made when I had little experience in MetaPost so
+% they are not that efficient or nicely codes. Sorry about that.
+
+\definecolor[ShapeDarkLine]  [s=.4]
+\definecolor[ShapeDarkDots]  [r=1]
+\definecolor[ShapeDarkEnd]   [g=1]
+\definecolor[ShapeLightLine] [s=.95]
+\definecolor[ShapeLightDots] [r=.9,g=,5,b=.5]
+\definecolor[ShapeLightFill] [s=.95]
+\definecolor[ShapeLightFrame][r=.5,g=.50,b=.9]
+
+\startuseMPgraphic{basic-shape-dark}
+    color shapedotscolor ; shapedotscolor := \MPcolor{ShapeDarkDots} ;
+    color shapelinecolor ; shapelinecolor := \MPcolor{ShapeDarkLine} ;
+    \includeMPgraphic{basic-shape}
+\stopuseMPgraphic
+
+\startuseMPgraphic{basic-shape-light}
+    color shapedotscolor ; shapedotscolor := \MPcolor{ShapeLightDots} ;
+    color shapelinecolor ; shapelinecolor := \MPcolor{ShapeLightLine} ;
+    \includeMPgraphic{basic-shape}
+\stopuseMPgraphic
+
+\startuseMPgraphic{basic-shape}
+    w := OverlayWidth  ; width  := 100 ; wfactor := w/width ;
+    h := OverlayHeight ; height := 100 ; hfactor := h/height ;
+    d := OverlayOffset ;
+    %
+    def random_delta (expr d) =
+        d - (uniformdeviate 2d)
+    enddef;
+    %
+    z1 = (0,height) ;
+    z2 = (0,0) ;
+    z3 = (width,0) ;
+    z4 = (width,height) ;
+    %
+    z5 = (  width+random_delta(.2width),height+random_delta(.2height)) ;
+    z6 = (.5width+random_delta(.1width),height+random_delta(.1height)) ;
+    %
+    pickup pencircle
+        xscaled (OverlayLineWidth/   wfactor)
+        yscaled (OverlayLineWidth/(2*hfactor))
+        rotated 30 ;
+    %
+    draw z5 .. z1 .. z2 .. z3 .. z4 .. z6 withcolor shapelinecolor ;
+    %
+    pickup pencircle
+        xscaled (OverlayLineWidth/wfactor)
+        yscaled (OverlayLineWidth/hfactor) ;
+    %
+    draw z1 withcolor shapedotscolor ;
+    draw z2 withcolor shapedotscolor ;
+    draw z3 withcolor shapedotscolor ;
+    draw z4 withcolor shapedotscolor ;
+    draw z5 withcolor shapedotscolor ;
+    draw z6 withcolor shapedotscolor ;
+    %
+    currentpicture := currentpicture xysized (w,h) ;
+\stopuseMPgraphic
+
+\startuniqueMPpagegraphic{chapter-state}
+    color shapelinecolor ; shapelinecolor := \MPcolor{ShapeDarkLine} ;
+    %
+    delta  := OverlayOffset ;
+    width  := OverlayWidth - 2*delta ;
+    height := (OverlayHeight - 2*delta) / 3 ;
+    %
+    z1 = (0,3height) ;
+    z2 = (0,2height) ;
+    z3 = (if not odd RealPageNumber : - fi width,1.5height) ;
+    z4 = (0,height) ;
+    z5 = (0,0) ;
+    %
+    pickup pencircle
+        xscaled delta
+        yscaled .5delta
+        rotated 30 ;
+    %
+    draw z1 -- z2{up} .. z3 .. {up} z4 -- z5 withcolor shapelinecolor ;
+    %
+    pickup pencircle
+        scaled delta ;
+    %
+    draw z1 withcolor red ;
+    draw z2 withcolor red ;
+    draw z3 withcolor red ;
+    draw z4 withcolor red ;
+    draw z5 withcolor red ;
+    %
+\stopuniqueMPpagegraphic
+
+\startreusableMPgraphic{pagenumber-state}
+    color shapelinecolor ; shapelinecolor := \MPcolor{ShapeDarkLine} ;
+    %
+    delta  := OverlayOffset ;
+    width  := OverlayWidth - 2delta ;
+    height := OverlayHeight - 2delta ;
+    lines  := 5*OverlayOffset ;
+    %
+    z1 = (0,0) ;
+    z2 = (lines,0) ;
+    z3 = (.5width,height) ;
+    z4 = (width-lines,0) ;
+    z5 = (width,0) ;
+    %
+    pickup pencircle
+        xscaled delta
+        yscaled .5delta
+        rotated 30;
+    %
+    draw z1 -- z2 {dir 135} ... z3 ... {dir -135} z4 -- z5 withcolor shapelinecolor ;
+    %
+    pickup pencircle
+        scaled delta ;
+    %
+    draw z1 withcolor red ;
+    draw z2 withcolor red ;
+    draw z3 withcolor red ;
+    draw z4 withcolor red ;
+    draw z5 withcolor red ;
+    %
+\stopreusableMPgraphic
+
+\startreusableMPgraphic{manualsymbol}
+    logo_type := 401 ;
+    input "mp-prag" ;
+    currentpicture := currentpicture scaled 0.25 ;
+\stopreusableMPgraphic
+
+\startuseMPgraphic{frame-shape}
+    delta  := OverlayOffset ;
+    width  := OverlayWidth - 2delta ;
+    height := OverlayHeight - 2delta ;
+    %
+    vardef gamma =
+        g := OverlayOffset ; ((g/3) + (uniformdeviate (2g/3)))
+    enddef;
+    %
+    z1 = (0,0) ;
+    z2 = (width,0) ;
+    z3 = (width,height) ;
+    z4 = (0,height) ;
+    %
+    x12= .5[x1,x2] ; y12=y1 + gamma ;
+    y23= .5[y2,y3] ; x23=x2 - gamma ;
+    x34= .5[x3,x4] ; y34=y3 - gamma ;
+    y41= .5[y4,y1] ; x41=x4 + gamma ;
+    %
+    pickup pencircle
+        xscaled OverlayLineWidth
+        yscaled .5OverlayLineWidth
+        rotated 30;
+    %
+    path p;
+    p :=
+        z1..z12..z2 &
+        z2..z23..z3 &
+        z3..z34..z4 &
+        z4..z41..z1 &
+        cycle ;
+    %
+    fill p withcolor shapefillcolor ;
+    draw p withcolor shapelinecolor ;
+\stopuseMPgraphic
+
+\startuseMPgraphic{setup-shape}
+    color shapelinecolor ; shapelinecolor := \MPcolor{ShapeLightFrame} ;
+    color shapefillcolor ; shapefillcolor := \MPcolor{ShapeLightFill} ;
+    \includeMPgraphic{frame-shape}
+\stopuseMPgraphic
+
+% \startuseMPgraphic{setup-shape-x}
+%     color shapelinecolor ; shapelinecolor := \MPcolor{ShapeLightFrame} ;
+%     color shapelinecolor ; shapelinecolor := \MPcolor{ShapeLightFill} ;
+%     \includeMPgraphic{frame-shape}
+% \stopuseMPgraphic
+
+\startuniqueMPgraphic{note-rule}
+    color shapelinecolor ; shapelinecolor := \MPcolor{ShapeDarkLine} ;
+    color shapeendcolor  ; shapeendcolor  := \MPcolor{ShapeDarkEnd} ;
+    %
+    draw bottomboundary OverlayBox withcolor shapelinecolor withpen pencircle scaled  OverlayLineWidth ;
+    draw llcorner       OverlayBox withcolor shapeendcolor  withpen pencircle scaled 3OverlayLineWidth ;
+    draw lrcorner       OverlayBox withcolor shapeendcolor  withpen pencircle scaled 3OverlayLineWidth ;
+    %
+\stopuniqueMPgraphic
+
+\startuniqueMPgraphic{column-rule}
+    color shapelinecolor ; shapelinecolor := \MPcolor{ShapeDarkLine} ;
+    color shapeendcolor  ; shapeendcolor  := \MPcolor{ShapeDarkEnd} ;
+    %
+    draw leftboundary OverlayBox withcolor shapelinecolor withpen pencircle scaled  OverlayLineWidth ;
+    draw ulcorner     OverlayBox withcolor shapeendcolor  withpen pencircle scaled 3OverlayLineWidth ;
+    draw llcorner     OverlayBox withcolor shapeendcolor  withpen pencircle scaled 3OverlayLineWidth ;
+    %
+\stopuniqueMPgraphic
+
+% alternative implemenation
+%
+% \startuniqueMPgraphic{column-rule}{height,linewidth}
+%     color   shapelinecolor ; shapelinecolor := \MPcolor{ShapeDarkLine} ;
+%     color   shapeendcolor  ; shapeendcolor  := \MPcolor{ShapeDarkEnd} ;
+%     numeric shapelinewidth ; shapelinewidth := \MPvar{linewidth} ;
+%     pair    shapeboundary  ; shapeboundary  := (0,\MPvar{height}) ;
+%     %
+%     draw origin -- shapeboundary withcolor shapelinecolor withpen pencircle scaled  shapelinewidth ;
+%     draw origin                  withcolor shapeendcolor  withpen pencircle scaled 3shapelinewidth ;
+%     draw           shapeboundary withcolor shapeendcolor  withpen pencircle scaled 3shapelinewidth ;
+%     %
+% \stopuniqueMPgraphic
+
+% todo
+
+% \startreusableMPgraphic{clip:six}
+%     %
+%     delta  := OverlayOffset ;
+%     height := OverlayWidth - delta ;
+%     %
+%     color green; green := (.1,.8,.1) ;
+%     %
+%     z1 = (0,0) ;
+%     z2 = (0,height) ;
+%     %
+%     pickup pencircle
+%         scaled OverlayLineWidth ;
+%     %
+%     draw z1 -- z2 withcolor .5white ;
+%     %
+%     pickup pencircle
+%         scaled 3OverlayLineWidth ;
+%     %
+%     draw z1 withcolor green ;
+%     draw z2 withcolor green ;
+%     %
+% \stopreusableMPgraphic
+
+% \startreusableMPgraphic{clip:seven}
+%     %
+%     width  := OverlayWidth ;
+%     height := OverlayHeight  ;
+%     delta  := OverlayOffset ;
+%     %
+%     color green ; green := (.1,.8,.1) ;
+%     %
+%     x1 = x4 = 0 ; x2 = x3 = width ;
+%     y1 = y2 = 0 ; y3 = y4 = height ;
+%     %
+%     pickup pencircle
+%         scaled OverlayLineWidth ;
+%     %
+%     draw z1 -- z2 -- z3 -- z4 -- cycle withcolor .white ;
+%     %
+%     pickup pencircle
+%         scaled 3OverlayLineWidth ;
+%     %
+%     draw z1 withcolor green ;
+%     draw z2 withcolor green ;
+%     draw z3 withcolor green ;
+%     draw z4 withcolor green ;
+%     %
+% \stopreusableMPgraphic
+
+\stopenvironment
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/ma-cb-links.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/ma-cb-links.tex
new file mode 100644
index 00000000000..d2e03944dc3
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/ma-cb-links.tex
@@ -0,0 +1,268 @@
+\startenvironment ma-cb-links
+
+% Links to external document for referencing.
+
+% --- www
+
+\useURL
+  [www:pragma]
+  [http://www.pragma-ade.com]
+  []
+  [Pragma ADE]
+
+\useURL
+  [www:garden]
+  [http://wiki.contextgarden.net]
+  []
+  [ConTeXt garden]
+
+\useURL
+  [www:showweb]
+  [http://texshow.contextgarden.net]
+  []
+  [Show-web]
+
+\useURL
+  [www:wiki-modules]
+  [http://wiki.contextgarden.net/Modules]
+  []
+  [Wiki Modules]
+
+\useURL
+  [www:supelec]
+  [https://foundry.supelec.fr]
+  []
+  [Supelec]
+
+\useURL
+  [www:dir]
+  [http://www.pragma-ade.com/dir/general]
+  []
+  [http://www.pragma-ade.com/dir/general]
+
+\useURL
+  [www:cstug]
+  [http://www.cstug.cz]
+  []
+  [\CSTUG]
+
+\useURL
+  [modul:storm]
+  [http://modules.contextgarden.net/stormfontsupport]
+  []
+  [http://modules.contextgarden.net/stormfontsupport]
+
+\useURL
+  [modul:storm-catalog]
+  [http://dl.contextgarden.net/modules/stormfontsupport/cont-storm-catalog.pdf]
+  []
+  [cont-storm-catalog.pdf]
+
+% --- usergroups
+
+\useURL
+  [list:context]
+  [http://www.ntg.nl/mailman/listinfo/ntg-context]
+  []
+  []
+
+\useURL
+  [group:tug]
+  [https://tug.org]
+  []
+  []
+
+\useURL
+  [group:ntg]
+  [www.ntg.nl]
+  []
+  []
+
+\useURL
+  [group:context]
+  [www.????]
+  []
+  []
+
+\useURL
+  [install]
+  [http://wiki.contextgarden.net/ConTeXt_Standalone]
+  []
+  []
+
+
+% --- manuals
+
+\useURL
+  [manual:general]
+  [http://www.pragma-ade.com/general/manuals/cont-eni.pdf]
+  []
+  [cont-eni.pdf]
+
+\useURL
+  [manual:metafun]
+  [http://www.pragma-ade.com/general/manuals/metafun-s.pdf]
+  []
+  [metafun-s.pdf]
+
+\useURL
+  [manual:columns]
+  [http://www.pragma-ade.com/general/manuals/columns.pdf]
+  []
+  [columns.pdf]
+
+\useURL
+  [manual:nattab]
+  [http://www.pragma-ade.com/general/manuals/enattab.pdf]
+  []
+  [enattab.pdf]
+
+\useURL
+  [manual:extab]
+  [http://www.pragma-ade.com/general/manuals/xtables-mkiv.pdf]
+  []
+  [xtables-mkiv.pdf]
+
+\useURL
+  [manual:details]
+  [http://www.pragma-ade.com/general/manuals/details.pdf]
+  []
+  [details.pdf]
+
+\useURL
+  [manual:fonts]
+  [http://www.pragma-ade.com/general/manuals/mfonts.pdf]
+  []
+  [mfonts.pdf]
+
+\useURL
+  [manual:charts]
+  [http://www.pragma-ade.com/general/manuals/mcharts.pdf]
+  []
+  [mcharts.pdf]
+
+\useURL
+  [manual:context]
+  [http://www.pragma-ade.com/general/manuals/cont-enp.pdf]
+  []
+  [cont-enp.pdf]
+
+\useURL
+  [manual:chemic]
+  [http://www.pragma-ade.com/general/manuals/mp-ch-en.pdf]
+  []
+  [mp-ch-en.pdf]
+
+\useURL
+  [manual:chemic-ex]
+  [http://www.pragma-ade.com/general/manuals/eppchtex.pdf]
+  []
+  [eppchtex.pdf]
+
+\useURL
+  [manual:labels]
+  [http://www.pragma-ade.com/general/manuals/mlabels.pdf]
+  []
+  [mlabels.pdf]
+
+\useURL
+  [manual:widgets]
+  [http://www.pragma-ade.com/general/manuals/mwidget.pdf]
+  []
+  [mwidget.pdf]
+
+\useURL
+  [manual:style]
+  [http://www.pragma-ade.com/general/manuals/style.pdf]
+  []
+  [style.pdf]
+
+\useURL
+  [manual:xml]
+  [http://www.pragma-ade.com/general/manuals/xml-mkiv.pdf]
+  []
+  [xml-mkiv.pdf]
+
+\useURL
+  [manual:units]
+  [http://www.pragma-ade.com/general/manuals/units-mkiv.pdf]
+  []
+  [units-mkiv.pdf]
+
+\useURL
+  [manual:scite]
+  [http://www.pragma-ade.com/general/manuals/scite-context-readme.pdf]
+  []
+  [scite-context-readme.pdf]
+
+\useURL
+  [manual:qr-en]
+  [http://www.pragma-ade.com/general/qrcs/setup-en.pdf]
+  []
+  [setup-en.pdf]
+
+\useURL
+  [manual:qr-nl]
+  [http://www.pragma-ade.com/general/qrcs/setup-nl.pdf]
+  []
+  [setup-nl.pdf]
+
+\useURL
+  [manual:tools]
+  [http://www.pragma-ade.com/general/manuals/tools-mkiv.pdf]
+  []
+  [tools-mkiv.pdf]
+
+\useURL
+  [manual:figures]
+  [http://www.pragma-ade.com/general/manuals/xfigures-p.pdf]
+  []
+  [xfigures-p.pdf]
+
+\useURL
+  [manual:color]
+  [http://www.pragma-ade.nl/general/manuals/msplit.pdf]
+  []
+  [msplit.pdf]
+
+% --- magazins
+
+\useURL
+  [thisway:shapes]
+  [http://www.pragma-ade.com/general/myway/mag-0010.pdf]
+  []
+  [mag-0010.pdf]
+
+\useURL
+  [thisway:crossrefs]
+  [http://www.pragma-ade.com/general/magazines/mag-1103.pdf]
+  []
+  [mag-1103.pdf]
+
+\useURL
+  [thisway:proj-struc]
+  [http://www.pragma-ade.com/general/magazines/mag-1101.pdf]
+  []
+  [mag-1103.pdf]
+
+\useURL
+  [myway:nattab]
+  [http://www.pragma-ade.com/general/myway/NaturalTables.pdf]
+  []
+  [NaturalTables.pdf]
+
+\useURL
+  [myway:startalign]
+  [http://www.pragma-ade.com/general/myway/mathalign.pdf]
+  []
+  [mathalign.pdf]
+
+% AFO 2013: needed for example in manual
+
+\useURL
+  [loc:cityplan]
+  [http://www.stadindex.nl/plattegrond/hasselt]
+  []
+  []
+
+\stopenvironment
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/ma-cb-screen.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/ma-cb-screen.tex
new file mode 100644
index 00000000000..c3af1f78357
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/ma-cb-screen.tex
@@ -0,0 +1,201 @@
+\startenvironment ma-cb-screen
+
+% This setups adds some functionality as well as redefines
+% some of the previously defined layout.
+
+\unprotect
+
+\definepapersize
+  [LocalPaperFormat]
+  [\c!width=28cm,
+   \c!height=21cm]
+
+\setuppapersize
+  [LocalPaperFormat]
+  [LocalPaperFormat]
+
+\setuplayout
+  [\c!location=\v!middle,
+   \c!topspace=.5cm,
+   \c!header=1.5cm,
+   \c!height=20cm,
+   \c!rightedge=5cm,
+   \c!rightedgedistance=1cm]
+
+\setupinteractionscreen
+  [\c!width=28cm,
+   \c!height=21cm,
+   \c!option=\v!max]
+
+% We place the pagenumber (not that useful in an interactive
+% document) somewhere else and the chapter number in the
+% footer.
+
+\setuppagenumbering
+  [\c!alternative=\v!singlesided,
+   \c!location=,
+   \c!command=\NummerCommando]
+
+\unexpanded\def\NummerCommando#1% uitlijnen op onderkant voet
+  {\hbox to \rightedgewidth
+     {\scratchcounter=\lastpage
+      \advance\scratchcounter by -\realpageno
+      \hskip0pt plus \realpageno cm
+      \framed
+        [\c!background=NummerAchtergrond,
+         \c!frame=\v!off,
+         \c!offset=4pt]%
+        {\lower.5\dp\strutbox\hbox spread 60pt{\hss\tx#1\hss}}% {\hss#1\hss}}%
+      \hskip0pt plus \scratchcounter cm}}
+
+\setupfootertexts
+  [\v!edge]
+  [][\v!pagenumber]
+
+\unexpanded\def\PlaatsHoofdstukStatus
+  {\determineheadnumber[\v!chapter]%
+   \ifnum\currentheadnumber>0
+     \hbox to \hsize
+       {\hss
+        \framed
+          [\c!background=NummerAchtergrond,
+           \c!frame=\v!off,
+           \c!offset=6pt]
+          {\lower.5\dp\strutbox\hbox spread 60pt
+             {\hss\getmarking[\v!chapter\v!number]\hss}}%
+        \hss}
+   \fi}
+
+\setupfootertexts
+  [\v!margin]
+  [][]
+
+\setupfootertexts
+  [\v!text]
+  [][\PlaatsHoofdstukStatus]
+
+\setupinteraction
+  [\c!state=\v!start,
+   \c!color=,
+   \c!menu=\v!on]
+
+% We let users click on the whole table of contents line and
+% provide some menus.
+
+\setuplist
+  [\v!chapter]
+  [\c!interaction=\v!all]
+
+\setupinteractionmenu
+  [\v!right]
+  [\c!state=\v!start,
+   \c!color=,
+   \c!offset=4pt,
+   \c!background=MenuAchtergrond,
+   \c!frame=\v!off]
+
+\startmode[**nl]
+
+  \setupinteractionmenu
+    [\v!right]
+    [    {inhoud[contents]},
+          {index[subind]},
+     {commando's[comind]},
+     {definities[comdefs]},
+        {colofon[colofon]},
+            {\vfill},
+        {stoppen[\v!CloseDocument]},
+     {\ZoekEnZoek{zoeken}},
+          {terug[\v!PreviousJump]},
+        {\HeenEnWeer}]
+
+\stopmode
+
+\startmode[**en,**uk]
+
+  \setupinteractionmenu
+    [\v!right]
+    [  {contents[contents]},
+          {index[subind]},
+       {commands[comind]},
+    {definitions[comdefs]},
+        {colofon[colofon]},
+            {\vfill},
+           {exit[\v!CloseDocument]},
+     {\ZoekEnZoek{search}},
+        {go back[\v!PreviousJump]},
+        {\HeenEnWeer}]
+
+\stopmode
+
+\startmode[**cz]
+
+  \setupinteractionmenu
+    [\v!right]
+    [                             {obsah[contents]},
+                  {rejst\rcaron\iacute k[subind]},
+       {seznam p\rcaron\iacute kaz\uring[comind]},
+     {definice p\rcaron\iacute kaz\uring[comdefs]},
+                      {tir\aacute\zcaron[colofon]},
+                                    {\vfill},
+                                  {konec[\v!CloseDocument]},
+                            {\ZoekEnZoek{vyhledej}},
+                       {krok zp\ecaron t[\v!PreviousJump]},
+                                  {\HeenEnWeer}]
+
+\stopmode
+
+\startmode[**fr]
+
+  \setupinteractionmenu
+    [\v!right]
+    [  {table des mati\egrave res[contents]},
+          {index[subind]},
+       {commandes[comind]},
+    {d\eacute finitions[comdefs]},
+        {colophon[colofon]},
+            {\vfill},
+           {quitter[\v!CloseDocument]},
+     {\ZoekEnZoek{recherche}},
+        {retour[\v!PreviousJump]},
+        {\HeenEnWeer}]
+
+\stopmode
+
+\startmode[**vn]
+
+  \setupinteractionmenu
+    [\v!right]
+    [  {mục lục[contents]},
+      {bảng tra[subind]},
+          {lệnh[comind]},
+    {định nghĩa[comdefs]},
+    {trang cuối[colofon]},
+            {\vfill},
+         {thoát[\v!CloseDocument]},
+     {\ZoekEnZoek{tìm kiếm}},
+      {quay lại[\v!PreviousJump]},
+        {\HeenEnWeer}]
+
+\stopmode
+
+% This not that \TEX nical definition deals with the two sets
+% of buttons. Someday I'll make a general macro for this.
+
+\def\TwoMenuButtons#1[#2]#3[#4]%
+  {\hbox to \hsize
+     {\dimen0=\hsize
+      \advance\hsize by -12pt
+      \menubutton[\v!right][\c!width=.5\hsize]{#1}[#2]%
+      \hss
+      \menubutton[\v!right][\c!width=.5\hsize]{#3}[#4]}}
+
+\def\HeenEnWeer
+  {\TwoMenuButtons{--}[\v!previouspage]{+}[\v!nextpage]}
+
+\def\ZoekEnZoek#1%
+  {\TwoMenuButtons{#1}[\v!SearchDocument]{+}[\v!SearchAgain]}
+
+\protect
+
+\stopenvironment
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/ma-cb-style.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/ma-cb-style.tex
new file mode 100644
index 00000000000..294e4a5cc7a
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/ma-cb-style.tex
@@ -0,0 +1,678 @@
+% macros=mkvi
+
+\startenvironment ma-cb-style
+
+\usemodule[chart]
+
+\usemodule[s][abr-03]
+\usemodule[x][set-11]
+
+\unprotect
+
+% Setups are kind of special.
+
+\loadsetups[cont-\currentmainlanguage.xml]
+
+\setupsetup
+  [\c!criterium=\v!used]
+
+\setupframedtexts
+  [setuptext]
+  [\c!before={\blank[\v!big]},
+   \c!after={\blank[\v!big]},
+   \c!background=setup-shape,
+   \c!backgroundoffset=10pt,
+   \c!rulethickness=5pt,
+   \c!offset=15pt,
+   \c!frame=\v!off]
+
+\setupexternalfigures
+  [\c!directory={../graphics}]
+
+% The layout dimensions are based on the A4 paper dimensions because that way users
+% can print this manual themselves. Let's be economical with paper. We also assume a
+% decent doublesided A4 printer. We use equal margins so that a single sided run or
+% print also comes out all right.
+
+\setuplayout
+  [\c!backspace=22.5mm,
+   \c!width=\v!fit,
+   \c!cutspace=22.5mm,
+   \c!margin=20mm,
+   \c!margindistance=5mm,
+   \c!topspace=15mm,
+   \c!header=10mm,
+   \c!headerdistance=5mm,
+   \c!height=\v!fit,
+   \c!footerdistance=5mm,
+   \c!footer=15mm,
+   \c!bottomspace=15mm]
+
+\setuppagenumbering
+  [\c!alternative=\v!doublesided]
+
+% The lucida fonts look a bit more informal.
+
+\doifmodeelse {atpragma} {
+    \setupbodyfont[lucidaot,10pt]
+} {
+    \setupbodyfont[palatino,10pt]
+}
+
+% All colors will go here.
+
+% todo
+
+% Let's keep the text compact.
+
+\setupwhitespace
+  [\v!medium]
+
+\setupblank
+  [\v!medium]
+
+% We indent verbatim with the default indenting value.
+
+\setuptyping
+  [\c!margin=\v!standard,
+   \c!blank=\v!medium]
+
+% Manuals as usual need a bit more tolerance, because a lot of in||line verbatim is
+% used.
+
+\setuptolerance
+  [\v!verytolerant,\v!stretch]
+
+% This manual makes heavy use of backgrounds. During a run about many metaclips are
+% generated.
+
+\defineoverlay [chapter-state]     [\uniqueMPpagegraphic{chapter-state}]
+\defineoverlay [pagenumber-state]  [\uniqueMPgraphic{pagenumber-state}]
+
+\defineoverlay [basic-shape-light] [\useMPgraphic{basic-shape-light}]
+\defineoverlay [basic-shape-dark]  [\useMPgraphic{basic-shape-dark}]
+
+\defineoverlay [setup-shape]       [\useMPgraphic{setup-shape}]
+\defineoverlay [note-rule]         [\uniqueMPgraphic{note-rule}]
+\defineoverlay [column-rule]       [\uniqueMPgraphic{column-rule}]
+
+% \defineoverlay
+%   [MenuAchtergrond]
+%   [\MPclipTwoA{\overlaywidth}{\overlayheight}{3pt}{3pt}{red}{white}]
+
+\starttexdefinition unexpanded FootnoteRule
+    \blank[2*\v!big]
+    \framed
+        [\c!background=note-rule,
+         \c!width=.4\makeupwidth,
+         \c!height=2pt,
+         \c!offset=\v!overlay,
+         \c!rulethickness=2pt,
+         \c!frame=\v!off]
+        {}
+    \blank[\v!small]
+\stoptexdefinition
+
+\setupfootnotes
+  [\c!rule=off,
+   \c!before=\FootnoteRule]
+
+% Chapter titles have a fancy shape around them. Because we have a lot of small
+% chapters, we don't go to a new page. Titles look the same, but there we go to
+% a new page.
+
+\setuphead
+  [\v!chapter]
+  [\c!command=\HeadCommand,
+   \c!page=,
+   \c!before={\blank[3*\v!big]},
+   \c!after={\blank[2*\v!big,\v!samepage]}]
+
+\setuphead
+  [\v!title]
+  [\c!page=\v!right]
+
+\starttexdefinition unexpanded HeadCommand #number #title
+    \alignedline {\v!outer} {\v!left} {
+        \framed [
+            \c!background=basic-shape-dark,
+            \c!rulethickness=10pt,
+            \c!frame=\v!off,
+            \c!strut=\v!no,
+            \c!offset=24pt,
+            \c!align=\v!middle
+        ] {
+            \doifmode {*\v!sectionnumber} {
+                #number
+                \kern.5em
+                \blackrule [
+                    color=green,
+                    width=1pt,
+                    height=1.5\ht\strutbox,
+                    depth=1.25\dp\strutbox
+                ]
+                \kern.5em
+            }
+            #title
+        }
+    }
+\stoptexdefinition
+
+% The current chapter number is typeset in the (outer) margin and slowly moves
+% down. We could have directly put it in the margin but using the footermargin as
+% starting point works better. This is an old command and there is no reason to
+% change the definition to more fabce MkIV version.
+
+\setupfootertexts
+  [\v!margin]
+  [][\fastsetup{chapterindicator}]
+
+\startsetups chapterindicator
+    \determineheadnumber[\v!chapter]
+    \ifcase\currentheadnumber\else
+        \vbox to \makeupheight {
+            \scratchcounter=\numexpr\lastpage-\realpageno\relax
+            \vskip2cm
+            \vskip0pt plus \realpageno cm
+            \framed [
+                \c!background=chapter-state,
+                \c!width=36pt,
+                \c!height=72pt,
+                \c!backgroundoffset=5pt,
+               %\c!align={\v!lohi,\v!middle},
+                \c!frame=\v!off
+            ] {
+                \lower.5\dp\strutbox\hbox {
+                    \bfb
+                    \getmarking[\v!chapter\v!number]
+                }
+            }
+            \vskip0pt plus \scratchcounter cm
+            \vskip2cm
+        }
+   \fi
+\stopsetups
+
+% The index is put on a double collumned grid. The numbers is surrounded by a
+% shape.
+
+\setupregister
+  [\v!index]
+  [\c!command=\IndexCommand,
+   \c!before={\blank[\v!line]},
+   \c!after=]
+
+\starttexdefinition unexpanded IndexCommand #text
+    \framed [
+        \c!background=basic-shape-dark,
+        \c!width=36pt,
+        \c!frame=\v!off,
+        \c!offset=4pt,
+        \c!align=\v!middle,
+        \c!rulethickness=4pt
+    ] {
+        #text
+    }
+\stoptexdefinition
+
+% When bound, we use a double sided layout and put the pagenumber in the margin,
+% enhanced by a fancy background.
+
+\setuppagenumbering
+  [\c!location={\v!footer,\v!middle},
+   \c!command=\PageNumberCommand]
+
+\starttexdefinition unexpanded PageNumberCommand #pagenumber
+    \framed [
+        \c!background=pagenumber-state,
+        \c!backgroundoffset=5pt,
+        \c!frame=\v!off,
+        \c!offset=6pt
+    ] {
+        \lower.5\dp\strutbox\hbox spread 60pt {
+            \hss
+            #pagenumber
+            \hss
+        }
+    }
+\stoptexdefinition
+
+% We put the chapter title in the head. If we wouldn't have to center, the more
+% simple setting would be:
+
+\setupheadertexts
+  [{\getmarking[\v!chapter]}]
+
+% Guess what the next one does.
+
+\setupitemgroup
+  [\v!itemize]
+  [1]
+  [\v!autointro]
+
+% The coverpage looks more complex than it is. We can reuse it.
+
+\newbox\CoverBackgroundBox % reuse saves .8 sec, could be an object!
+
+\starttexdefinition unexpanded ShowSetupOnCover #n #tag #xmlroot
+    \dontleavehmode
+    \framed [
+        \c!background=basic-shape-light,
+        \c!backgroundoffset=5pt,
+        \c!rulethickness=2pt,
+        \c!frame=\v!off
+    ] {
+        \xmlsetup{#xmlroot}{xml:setups:assemblename}
+        \tttf
+        \texescape\currentSETUPfullname
+    }
+   \hskip1.25em plus 1em minus 1em\relax
+\stoptexdefinition
+
+% \startsetups coverbackground
+%
+%     \ifvoid\CoverBackgroundBox
+%
+%         \global\setbox\CoverBackgroundBox=\vbox to \paperheight \bgroup
+%             \hsize\paperwidth
+%             \emergencystretch3em
+%             \parfillskip0pt
+%             \switchtobodyfont
+%               [6pt]
+%             \baselineskip 0pt plus 1pt minus 1pt
+%             \setupsorting
+%               [texcommand]
+%               [\c!command=\ShowSetupOnCover,
+%                \c!criterium=\v!all]
+%             \beginofshapebox
+%                 \leftskip3pt
+%                 \rightskip3pt
+%                 \placelistofsorts
+%                     [texcommand]
+%             \endofshapebox
+%             \doreshapebox
+%                 {\box\shapebox}
+%                 {\penalty\shapepenalty}
+%                 {\kern\shapekern}
+%                 {\vfil}
+%             \kern3pt
+%             \vfilneg
+%             \flushshapebox
+%             \vfilneg
+%             \kern3pt
+%         \egroup
+%
+%    \fi
+%
+%    \copy\CoverBackgroundBox
+%
+% \stopsetups
+
+\startsetups coverbackground
+
+    \ifvoid\CoverBackgroundBox
+
+        \global\setbox\CoverBackgroundBox
+            \startnicelyfilledbox
+                [\c!width=\paperwidth,
+                 \c!height=\paperheight,
+                 \c!offset=\exheight,
+                 \c!strut=\v!no]
+                \switchtobodyfont
+                    [6pt]
+                \placelistofsorts
+                    [texcommand]
+                    [\c!command=\ShowSetupOnCover,
+                     \c!criterium=\v!all]
+            \stopnicelyfilledbox
+
+   \fi
+
+   \copy\CoverBackgroundBox
+
+\stopsetups
+
+\defineoverlay[coverbackground][\setups{coverbackground}]
+
+\setupdocument
+  [author={Ton Otten\crlf PRAGMA ADE},
+   translator=,
+   contributer=,
+   before=\setups{coverpage},
+   after=\setups{backpage}]
+
+\defineoverlay[gotocontents][\overlaybutton{contents}]
+
+\startsetups coverpage
+
+    \setupbackgrounds
+        [\v!rightpage]
+        [\c!background=coverbackground]
+
+    \setupbackgrounds
+        [\v!text]
+        [\v!text]
+        [\c!background=gotocontents]
+
+    \startmakeup
+        [\v!standard]
+        [\c!doublesided=\v!empty,
+         \c!headerstate=\v!none,
+         \c!footerstate=\v!none]
+
+        \hbox to \hsize \bgroup
+            \hss
+            \definedfont[SansBold*default at 40pt]
+            \framed
+                [\c!background=basic-shape-dark,
+                 \c!frame=\v!off,
+                 \c!rulethickness=15pt,
+                 \c!align=\v!middle,
+                 \c!offset=40pt]
+                {\documentvariable{title}}
+        \egroup
+
+        \vfill
+
+        \doifsomething {\documentvariable{subtitle}} {
+
+            \hbox to \hsize \bgroup
+                \definedfont[SansBold*default at 14pt]
+                \framed
+                    [\c!background=basic-shape-dark,
+                     \c!frame=\v!off,
+                     \c!rulethickness=10pt,
+                     \c!align=\v!middle,
+                     \c!offset=20pt]
+                    {\documentvariable{subtitle}}
+                \hss
+            \egroup
+
+        }
+
+        \hbox to \hsize \bgroup
+            \hss
+            \definedfont[SansBold*default at 20pt]
+            \framed
+                [\c!background=basic-shape-dark,
+                 \c!frame=\v!off,
+                 \c!rulethickness=12.5pt,
+                 \c!align=\v!middle,
+                 \c!offset=35pt]
+                {\documentvariable{author}}
+        \egroup
+
+    \stopmakeup
+
+    \setupbackgrounds
+        [\v!text]
+        [\v!text]
+        [\c!background=]
+
+    \setupbackgrounds
+        [\v!rightpage]
+        [\c!background=]
+
+    \doifmode {screen} {
+
+        \setupbackgrounds
+            [\v!page]
+            [\c!background=\v!screen,
+             \c!backgroundscreen=.95]
+
+        \setupbackgrounds
+            [\v!text]
+            [\v!text]
+            [\c!backgroundoffset=.25cm,
+             \c!depth=.125cm,
+             \c!background=\v!color,
+             \c!backgroundcolor=white]
+
+    }
+
+    \component[ma-cb-copyright]
+
+\stopsetups
+
+% The backpage uses the same background and overlays a piece of text.
+
+\startsetups backpage
+
+    \page
+      [\v!yes,\v!blank,\v!right]
+
+    \component[ma-cb-colofon]
+
+    \page
+        [\v!yes,\v!blank,\v!left]
+
+    \setupbackgrounds
+        [\v!leftpage]
+        [\c!background=coverbackground]
+
+    \startmakeup
+        [\v!standard]
+        [\c!page=,
+         \c!doublesided=\v!no,
+         \c!headerstate=\v!none,
+         \c!footerstate=\v!none]
+
+        \setuptolerance
+            [\v!verytolerant]
+
+        \vfill
+
+        \hbox to \hsize \bgroup
+
+            \framed
+                [\c!background=\v!color,
+                 \c!backgroundcolor=white,
+                 \c!frame=\v!off,
+                 \c!offset=10pt,
+                 \c!corner=\v!round,
+                 \c!width=.4\makeupwidth,
+                 \c!height=\textheight,
+                 \c!align=\v!middle,
+                 \c!strut=\v!no]
+            {
+                \vfil
+                \component[ma-cb-en-backpage]
+                \vfil
+            }
+
+            \hss
+
+        \egroup
+
+        \vfill
+
+    \stopmakeup
+
+\stopsetups
+
+% To save space we don't start chapters on a new page, except in appendices and the
+% introduction. These settings happen in dedicated setups sections (see later). We
+% also add some white space between table of content entries.
+
+\setupsectionblock [\v!frontpart] [\c!page=\v!right,\c!before=\setups{frontpart}]
+\setupsectionblock [\v!bodypart]  [\c!page=\v!right,\c!before=\setups{bodypart}]
+\setupsectionblock [\v!appendix]  [\c!page=\v!right,\c!before=\setups{appendix}]
+\setupsectionblock [\v!backpart]  [\c!page=\v!right,\c!before=\setups{backpart}]
+
+\setuplist
+  [\v!chapter]
+  [\c!criterium=\v!all,
+   \c!before=,
+   \c!after=]
+
+\startsetups frontpart
+
+    \setuphead[\v!chapter][\c!page=\v!right]
+
+    \writebetweenlist[\v!chapter]{\blank}
+
+    \startnamedsection[\v!chapter][\c!title=\labeltext{document:contents}]
+
+        \startmixedcolumns[documentcolumns]
+            \placelist[\v!chapter]
+        \stopmixedcolumns
+
+    \stopnamedsection
+
+    \page[\v!right]
+
+\stopsetups
+
+\startsetups bodypart
+
+    \setuphead[\v!chapter][\c!page=]
+
+    \writebetweenlist[\v!chapter]{\blank}
+
+\stopsetups
+
+\startsetups appendix
+
+    \setuphead[\v!chapter][\c!page=\v!right]
+
+    \writebetweenlist[\v!chapter]{\blank}
+
+    \startnamedsection[\v!chapter][\c!title=\labeltext{document:commanddefinitions},\c!reference=commandsetups]
+
+        \component[ma-cb-\currentmainlanguage-commandlist]
+
+        \blank[2*\v!big]
+
+        \start
+
+            \switchtobodyfont[8pt]
+
+            \startmixedcolumns[documentcolumns]
+                \placelistofsorts[texcommand]
+            \stopmixedcolumns
+
+        \stop
+
+    \stopnamedsection
+
+    \startnamedsection[\v!chapter][\c!title=\labeltext{document:commandindex}]
+
+        \startmixedcolumns[documentcolumns]
+            \placeregister[Command]
+        \stopmixedcolumns
+
+    \stopnamedsection
+
+    \startnamedsection[\v!chapter][\c!title=\labeltext{document:subjectindex}]
+
+        \startmixedcolumns[documentcolumns]
+            \placeregister[\v!index]
+        \stopmixedcolumns
+
+    \stopnamedsection
+
+    \startnamedsection[\v!chapter][\c!title=\labeltext{document:supportandreading}]
+
+        \index{support}
+
+        \startnamedsection[\v!section][\c!title=\labeltext{document:support}]
+
+            \component[ma-cb-\currentmainlanguage-support]
+
+        \stopnamedsection
+
+        \startnamedsection[\v!section][\c!title=\labeltext{document:manuals}]
+
+            % this will be done from a bib file
+
+            \startlines
+               \goto {Chemical Formulas in \CONTEXT} [ url (manual:chemic-ex)   ]
+               \goto {Color Separation}              [ url (manual:color)       ]
+               \goto {Columns}                       [ url (manual:columns)     ]
+               \goto {\CONTEXT, the manual}          [ url (manual:context)     ]
+               \goto {Dealing with \XML}             [ url (manual:xml)         ]
+               \goto {Extreme Tables}                [ url (manual:extab)       ]
+               \goto {Figures}                       [ url (manual:figures)     ]
+               \goto {Fonts in \CONTEXT}             [ url (manual:fonts)       ]
+               \goto {luatools, mtxrun, context}     [ url (manual:tools)       ]
+               \goto {\METAFUN\ manual}              [ url (manual:metafun)     ]
+               \goto {Natural Tables}                [ url (manual:nattab)      ]
+               \goto {\PPCHTEX\ Manual}              [ url (manual:chemic)      ]
+               \goto {Quick Reference (dutch)}       [ url (manual:qr-nl)       ]
+               \goto {Quick Reference (english)}     [ url (manual:qr-en)       ]
+               \goto {\SCITE\ in \CONTEXT}           [ url (manual:scite)       ]
+               \goto {Units}                         [ url (manual:units)       ]
+               \goto {Widgets}                       [ url (manual:widgets)     ]
+            \stoplines
+
+        \stopnamedsection
+
+        \startnamedsection[\v!section][\c!title=\labeltext{document:magazines}]
+
+            % this will be done from a bib file
+
+            \startlines
+                \goto {\CONTEXT\ Magazine 1103}      [ url (thisway:crossrefs)  ]
+                \goto {Project structure}            [ url (thisway:proj-struc) ]
+            \stoplines
+
+        \stopnamedsection
+
+    \stopnamedsection
+
+\stopsetups
+
+\startsetups backpart
+
+    \setuphead[\v!chapter][\c!page=\v!right]
+
+    \writebetweenlist[\v!chapter]{\blank}
+
+\stopsetups
+
+% In normal documents one will never find awful things like below. Because we want
+% an international setup, we just call the chapters in an indirect way.
+
+% We draw a nice line between columns. The next command does the job. Of course a
+% normal line can be set more easily, but here we hook in a command.
+
+\installmixedcolumnseparator{ColumnRule}%
+  {\framed
+     [\c!background=column-rule,
+      \c!height=\mixedcolumnseparatorheight,
+      \c!depth=\mixedcolumnseparatordepth,
+      \c!width=\mixedcolumnseparatorwidth,
+      \c!offset=\v!overlay,
+      \c!rulethickness=2pt,
+      \c!frame=\v!off]
+     {}}
+
+% alternative implemenation
+%
+% \installmixedcolumnseparator{ColumnRule}%
+%   {\lower\mixedcolumnseparatordepth\hbox{\uniqueMPgraphic
+%      {column-rule}%
+%      {height=\the\dimexpr\mixedcolumnseparatorheight+\mixedcolumnseparatordepth,linewidth=2pt}}}
+
+\setupmixedcolumns
+  [\c!n=2,
+   \c!distance=36pt,
+   \c!separator=ColumnRule]
+
+\definemixedcolumns
+  [documentcolumns]
+  [\c!n=2,
+   \c!distance=36pt,
+   \c!separator=ColumnRule]
+
+\defineregister
+  [Command]
+
+\setupregister
+  [Command]
+  [\c!indicator=\v!off,
+   c!before={\blank[\v!line]}]
+
+\protect
+
+\stopenvironment
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/start/ma-cb.tex b/Master/texmf-dist/doc/context/sources/general/manuals/start/ma-cb.tex
new file mode 100644
index 00000000000..7f23597a1bd
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/start/ma-cb.tex
@@ -0,0 +1,17 @@
+\startproject ma-cb
+
+    \environment ma-cb-language
+
+    \environment ma-cb-abbreviations
+    \environment ma-cb-graphics
+    \environment ma-cb-style
+    \environment ma-cb-links
+
+    \startmode[screen]
+        \environment ma-cb-screen
+    \stopmode
+
+    \product ma-cb-en
+    \product ma-cb-nl
+
+\stopproject
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/templates/templates-mkiv.tex b/Master/texmf-dist/doc/context/sources/general/manuals/templates/templates-mkiv.tex
new file mode 100644
index 00000000000..9361d1a8d30
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/templates/templates-mkiv.tex
@@ -0,0 +1,273 @@
+% language=uk
+
+% author  : Hans Hagen, PRAGMA ADE, NL
+% license : Creative Commons, Attribution-NonCommercial-ShareAlike 3.0 Unported
+
+\usemodule[art-01,abr-02]
+
+\definecolor[maincolor] [r=.4]
+\definecolor[extracolor][b=.4]
+
+\setupbodyfont
+  [10pt]
+
+\usesymbols
+  [cc]
+
+\setuptyping
+  [color=extracolor]
+
+\setuptype
+  [color=extracolor]
+
+\setuphead
+  [section]
+  [color=maincolor]
+
+\setupinteraction
+  [hidden]
+
+\startdocument
+  [metadata:author=Hans Hagen,
+   metadata:title=LMX Templates,
+   author=Hans Hagen,
+   affiliation=PRAGMA ADE,
+   location=Hasselt NL,
+   title=LMX Templates,
+   extra-1=LMX,
+   extra-2=TEMPLATES,
+   extra-3=HANS HAGEN,
+   support=www.contextgarden.net,
+   website=www.pragma-ade.nl]
+
+\startMPpage
+
+    StartPage;
+
+    numeric n, m ; n := 3 * 4 ; m := 4 * 4 ;
+    numeric w, h ; w := PaperWidth/n ; h := PaperHeight/m ;
+    numeric max ; max := 20 ;
+
+    for i=1 upto n :
+        for j=1 upto m :
+            fill
+                unitsquare
+                xysized (w,h)
+                shifted ((i-1)*w,(j-1)*h)
+                withcolor (.5[red,blue] randomized(.75,.75,.75))
+            ;
+        endfor ;
+    endfor ;
+
+    path p ; p := Page enlarged -5mm ;
+
+    pair a[] ; % <
+
+    a[1] := .80[lrcorner p,urcorner p] ;
+    a[2] := .50[llcorner p,ulcorner p] ;
+    a[3] := .20[lrcorner p,urcorner p] ;
+
+    pair b[] ; % \
+
+    b[1] := ulcorner p ;
+    b[2] := center   p ;
+    b[3] := lrcorner p ;
+
+    path c[] ; % from < (xml) to \ (tex)
+
+    c[1] := a[1] .. b[1] ;
+    c[2] := a[2] .. b[2] ;
+    c[3] := a[3] .. b[3] ;
+
+    linecap := butt ;
+
+    numeric fraction ;
+
+    for i=1 step 1 until max :
+        fraction := i/max ;
+        draw
+            ((point fraction along c[1]) -- (point fraction along c[2]) -- (point fraction along c[3]))
+            withpen pencircle scaled 5mm
+            withcolor .75[(max+1-i)*green/n,i*yellow/max]
+            withtransparency (1,.5)
+            ;
+    endfor ;
+
+    draw
+        textext.rt("\ssbf{\documentvariable{extra-1}}")
+        xsized (7w)
+        shifted (.8w,3h)
+        withcolor white
+    ;
+
+    draw
+        textext.rt("\ssbf{\documentvariable{extra-2}}")
+        xsized (8w)
+        shifted (w,h)
+        withcolor white
+    ;
+
+    draw
+        textext.ulft("\ssbf{\documentvariable{extra-3}}")
+        rotated 90
+        ysized (5.9h)
+        shifted (PaperWidth-1.2w,PaperHeight/2+2.95h)
+        withcolor white
+    ;
+
+    StopPage;
+
+\stopMPpage
+
+\startsubject[title={Contents}]
+
+\placelist[section][criterium=all,interaction=all]
+
+\stopsubject
+
+\startsection [title={Introduction}]
+
+{\em This manual is not finished yet. The main reason is that what is described
+here is an afternoon experiment resulting in a dozen lines of \LUA\ glue code
+that builds upon an already existing mechanism. When users like this, I will
+extend the basic \LMX\ handler to suit the \TEX\ end better. There will also be
+also support for cache based and in||document templates.)}
+
+The acronym \type {lmx} stands for document that are a mix of \LUA\ and \XML\ and
+is just the three letters \type {xml} reversed. Such documents showed up pretty
+soon in \MKIV\ while I was exploring ways to present debugging and error
+information to users using \XML. As a consequence this is one of the older
+mechanisms available, although I doubt if users start looking for it when they
+start using \CONTEXT.
+
+Anyhow, because we also use \LMX\ for populating web pages, at some point I wondered
+if using the same approach for \TEX\ files made sense. I'm still not sure about it
+but who knows where this ends up. Currently code is shared but in the future we might
+end up with a variant that adds some more flexibility.
+
+\stopsection
+
+\startsection [title={How it works}]
+
+First of all, using this mechanism involves yet another kind of \type {mk}, so
+now we have:
+
+\starttabulate[|TB||]
+\HL
+\NC mkii \NC The old version of \CONTEXT, using \PDFTEX,\XETEX, etc. \NC \NR
+\HL
+\NC mkiv \NC The new version of \CONTEXT, using \LUATEX. \NC \NR
+\NC mkvi \NC Similar to \MKIV\ but with named macro parameters. \NC \NR
+\HL
+\NC mkix \NC A \MKIV\ file mixed with \LUA\ wrapped in \XML\ processing instructions. \NC \NR
+\NC mkxi \NC Similar to \MKIX\ but with named macro parameters. \NC \NR
+\HL
+\stoptabulate
+
+The nice thing about sticking to wrapping in angle brackets is that it plays nice
+with syntax highlighting. Before we show an example of such a mix, we first point
+out that loading (and thereby conversion) happens automatically. A \type {mkix} or
+\type {mkxi} file is just a regular \CONTEXT\ file. In the test suite there
+is a demo file that can be included like this:
+
+\starttyping
+\input lmxlike-001.mkxi
+\stoptyping
+
+This file is loaded and converted on the fly. No caching takes place, but in due time
+we can use the cache built into the \LMX\ handlers if needed. The template itself
+can be fed with variables in the \type {document} namespace:
+
+\starttyping
+\starttext
+
+  \startluacode
+     document.variables.text = "set"
+  \stopluacode
+
+  \input lmxlike-001.mkxi
+
+\stoptext
+\stoptyping
+
+Instead of a special suffix, you can also force conversion with the \type {macros}
+directive:
+
+\starttyping
+% macros=mkix
+\stoptyping
+
+Part of the mentioned looks as follows:
+
+\starttyping
+\bTABLE
+  <?lua for i=1,40 do ?>
+    \bTR
+      <?lua for j=1,5 do ?>
+        \bTD
+          cell (<?lua inject(i) ?>,<?lua inject(j)?>)
+          is <?lua inject(variables.text or "unset") ?>
+        \eTD
+      <?lua end ?>
+    \eTR
+  <?lua end ?>
+\eTABLE
+\stoptyping
+
+The \type {<?lua ... ?>} command is conceptually different from (say) \type
+{\ctxlua} in the sense that the later executes some \LUA\ code at that spot,
+while in a template a \LUA\ function is constructed out of the whole that gets
+executed. In fact, we use \LUA\ to construct an input file.
+
+For the moment we only mention the predefined \type {inject} command. There are
+some more but they make more sense for \XML\ and \HTML\ and in due time this will
+be decoupled so that we can have dedicated helpers. Even the \XML\ and \HTML\
+part is somewhat in flux.
+
+The previous example can of course also be done differently. It's a matter of
+taste and usage what method gets used:
+
+\starttyping
+\startluacode
+  context.bTABLE()
+    for i=1,40 do
+      context.bTR()
+        for j=1,5 do
+          context.bTD()
+            context("cell (%s,%s) is %s",i,j,document.variables.text or "unset")
+          context.eTD()
+        end
+      context.eTR()
+    end
+  context.eTABLE()
+\stopluacode
+\stoptyping
+
+The difference between a \MKIX\ and \MKXI\ file is the same as between a \MKIV\
+and \MKVI\ file: the way macros can be defined:
+
+\starttyping
+\def\testmacro#one#two{[#one,#two]}
+
+\testmacro{1}{2}
+\testmacro{one}{two}
+\testmacro{second}{first}
+\stoptyping
+
+In practice one will seldom need macro definitions in a template file but the
+possibility is provided.
+
+\stopsection
+
+\startsubject[title={Colofon}]
+
+\starttabulate[|B|p|]
+\NC author    \NC \getvariable{document}{author}, \getvariable{document}{affiliation}, \getvariable{document}{location} \NC \NR
+\NC version   \NC \currentdate \NC \NR
+\NC website   \NC \getvariable{document}{website} \endash\ \getvariable{document}{support} \NC \NR
+\NC copyright \NC \symbol[cc][cc-by-sa-nc] \NC \NR
+\stoptabulate
+
+\stopsubject
+
+\stopdocument
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/workflows/workflows-injectors.tex b/Master/texmf-dist/doc/context/sources/general/manuals/workflows/workflows-injectors.tex
index d2f837d8236..daae11c82f9 100644
--- a/Master/texmf-dist/doc/context/sources/general/manuals/workflows/workflows-injectors.tex
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/workflows/workflows-injectors.tex
@@ -84,3 +84,19 @@ and
 \stopchapter
 
 \stopcomponent
+
+% to be described:
+
+% \setinjector[register][3][\column]
+% \setinjector[list]    [2][{\blank[3*big]}]
+
+% \starttext
+%     \placelist[section][criterium=text]
+%     \blank[3*big]
+%     \placeregister[index][criterium=text]
+%     \page
+%     \startsection[title=Alpha] first  \index{first}  \stopsection
+%     \startsection[title=Beta]  second \index{second} \stopsection
+%     \startsection[title=Gamma] third  \index{third}  \stopsection
+%     \startsection[title=Delta] fourth \index{fourth} \stopsection
+% \stoptext
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/xml/xml-mkiv-01.xml b/Master/texmf-dist/doc/context/sources/general/manuals/xml/xml-mkiv-01.xml
new file mode 100644
index 00000000000..c2feac218a5
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/xml/xml-mkiv-01.xml
@@ -0,0 +1,15 @@
+<name>Land Of Dreams</name>
+<tracks>
+ <track length="248">Dixie Flyer</track>
+ <track length="212">New Orleans Wins The War</track>
+ <track length="218">Four Eyes</track>
+ <track length="181">Falling In Love</track>
+ <track length="187">Something Special</track>
+ <track length="168">Bad News From Home</track>
+ <track length="207">Roll With The Punches</track>
+ <track length="209">Masterman And Baby J</track>
+ <track length="134">Follow The Flag</track>
+ <track length="246">I Want You To Hurt Like I Do</track>
+ <track length="248">It&apos;s Money That Matters</track>
+ <track length="156">Red Bandana</track>
+</tracks>
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/xml/xml-mkiv-02.xml b/Master/texmf-dist/doc/context/sources/general/manuals/xml/xml-mkiv-02.xml
new file mode 100644
index 00000000000..997123ad6fb
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/xml/xml-mkiv-02.xml
@@ -0,0 +1,15 @@
+<name>Bad Love</name>
+<tracks>
+ <track length="340">My Country</track>
+ <track length="295">Shame</track>
+ <track length="205">I&apos;m Dead (But I Don&apos;t Know It)</track>
+ <track length="213">Every Time It Rains</track>
+ <track length="206">The Great Nations of Europe</track>
+ <track length="220">The One You Love</track>
+ <track length="164">The World Isn&apos;t Fair</track>
+ <track length="264">Big Hat, No Cattle</track>
+ <track length="243">Better Off Dead</track>
+ <track length="236">I Miss You</track>
+ <track length="126">Going Home</track>
+ <track length="180">I Want Everyone To Like Me</track>
+</tracks>
diff --git a/Master/texmf-dist/doc/context/sources/general/manuals/xml/xml-mkiv.tex b/Master/texmf-dist/doc/context/sources/general/manuals/xml/xml-mkiv.tex
new file mode 100644
index 00000000000..42ec7df9ac1
--- /dev/null
+++ b/Master/texmf-dist/doc/context/sources/general/manuals/xml/xml-mkiv.tex
@@ -0,0 +1,3735 @@
+% language=uk
+
+% to be checked:
+%
+% \Ux in index
+%
+% undocumented:
+%
+% \processXMLbuffer
+% \processxmlbuffer
+% \processxmlfile
+%
+% kind of special ... tricky explanation needed:
+%
+% \xmldirect
+
+\input lxml-ctx.mkiv
+
+\settrue \xmllshowtitle
+\setfalse\xmllshowwarning
+
+\usemodule[set-11]
+
+\loadsetups[i-en-xml.xml]
+
+% \definehspace[squad][1em plus .25em minus .25em]
+
+\usemodule[abr-02]
+
+\setuplayout
+  [location=middle,
+   marking=on,
+   backspace=20mm,
+   cutspace=20mm,
+   topspace=15mm,
+   header=15mm,
+   footer=15mm,
+   height=middle,
+   width=middle]
+
+\setuppagenumbering
+  [alternative=doublesided,
+   location=]
+
+\setupfootertexts
+  [][pagenumber]
+
+\setupheadertexts
+  [][chapter]
+
+\setupheader
+  [color=colortwo,
+   style=bold]
+
+\setupfooter
+  [color=colortwo,
+   style=bold]
+
+\setuphead
+  [chapter]
+  [page={yes,header,right},
+   header=empty,
+   style=\bfc]
+
+\setupsectionblock
+  [page={yes,header,right}]
+
+\starttexdefinition unexpanded section:chapter:number #1
+    \doifmode{*sectionnumber} {
+        \llap{<\enspace}#1\enspace>
+    }
+\stoptexdefinition
+
+\starttexdefinition unexpanded section:section:number #1
+    \doifmode{*sectionnumber} {
+        \llap{<<\enspace}#1\enspace>>
+    }
+\stoptexdefinition
+
+\starttexdefinition unexpanded section:subsection:number #1
+    \doifmode{*sectionnumber} {
+        \llap{<<<\enspace}#1\enspace>>>
+    }
+\stoptexdefinition
+
+\setuphead[chapter]   [numbercolor=black,numbercommand=\texdefinition{section:chapter:number}]
+\setuphead[section]   [numbercolor=black,numbercommand=\texdefinition{section:section:number}]
+\setuphead[subsection][numbercolor=black,numbercommand=\texdefinition{section:subsection:number}]
+
+\setuphead
+  [section]
+  [style=\bfa]
+
+\setuplist
+  [chapter]
+  [style=bold]
+
+\setupinteractionscreen
+  [option=doublesided]
+
+\setupalign
+  [tolerant,stretch]
+
+\setupwhitespace
+  [big]
+
+\setuptolerance
+  [tolerant]
+
+\doifelsemode {atpragma} {
+    \setupbodyfont[lucidaot,10pt]
+} {
+    \setupbodyfont[dejavu,10pt]
+}
+
+\definecolor[colorone]  [b=.5]
+\definecolor[colortwo]  [s=.3]
+\definecolor[colorthree][y=.5]
+
+\setuptype
+  [color=colorone]
+
+\setuptyping
+  [color=colorone]
+
+\setuphead
+  [lshowtitle]
+  [style=\tt,
+   color=colorone]
+
+\setuphead
+  [chapter,section]
+  [numbercolor=colortwo,
+   color=colorone]
+
+\definedescription
+  [xmlcmd]
+  [alternative=hanging,
+   width=line,
+   distance=1em,
+   margin=2em,
+   headstyle=monobold,
+   headcolor=colorone]
+
+\setupframedtext
+  [setuptext]
+  [framecolor=colorone,
+   rulethickness=1pt,
+   corner=round]
+
+\usemodule[punk]
+
+\usetypescript[punk]
+
+\definelayer
+  [page]
+  [width=\paperwidth,
+   height=\paperheight]
+
+\starttext
+
+\setuplayout[page]
+
+\startstandardmakeup
+    \startfontclass[none] % nil the current fontclass since it may append its features
+    \EnableRandomPunk
+    \setlayerframed
+      [page]
+      [width=\paperwidth,height=\paperheight,
+       background=color,backgroundcolor=colorone,backgroundoffset=1ex,frame=off]
+      {}
+    \definedfont[demo@punk at 18pt]
+    \setbox\scratchbox\vbox {
+        \hsize\dimexpr\paperwidth+2ex\relax
+        \setupinterlinespace
+        \baselineskip 1\baselineskip plus 1pt minus 1pt
+        \raggedcenter
+        \color[colortwo]{\dorecurse{1000}{XML }}
+    }
+    \setlayer
+      [page]
+      [preset=middle]
+      {\vsplit\scratchbox to \dimexpr\paperheight+2ex\relax}
+    \definedfont[demo@punk at 90pt]
+    \setstrut
+    \setlayerframed
+      [page]
+      [preset=rightbottom,offset=10mm]
+      [foregroundcolor=colorthree,align=flushright,offset=overlay,frame=off]
+      {Dealing\\with XML in\\Con\TeX t MkIV}
+    \definedfont[demo@punk at 18pt]
+    \setstrut
+    \setlayerframed
+      [page]
+      [preset=righttop,offset=10mm,x=3mm,rotation=90]
+      [foregroundcolor=colorthree,align=flushright,offset=overlay,frame=off]
+      {Hans Hagen, Pragma ADE, \currentdate}
+    \tightlayer[page]
+    \stopfontclass
+\stopstandardmakeup
+
+\setuplayout
+
+\startfrontmatter
+
+\starttitle[title=Contents]
+
+\placelist
+  [chapter,section]
+
+\stoptitle
+
+\startchapter[title={Introduction}]
+
+This manual presents the \MKIV\ way of dealing with \XML. Although the
+traditional \MKII\ streaming parser has a charming simplicity in its control, for
+complex documents the tree based \MKIV\ method is more convenient. It is for this
+reason that the old method has been removed from \MKIV. If you are familiar with
+\XML\ processing in \MKII, then you will have noticed that the \MKII\ commands
+have \type {XML} in their name. The \MKIV\ commands have a lowercase \type {xml}
+in their names. That way there is no danger for confusion or a mixup.
+
+You may wonder why we do these manipulations in \TEX\ and not use \XSLT\ (or
+other transformation methods) instead. The advantage of an integrated approach is
+that it simplifies usage. Think of not only processing the document, but also
+using \XML\ for managing resources in the same run. An \XSLT\ approach is just as
+verbose (after all, you still need to produce \TEX\ code) and probably less
+readable. In the case of \MKIV\ the integrated approach is also faster and gives
+us the option to manipulate content at runtime using \LUA. It has the additional
+advantage that to some extend we can handle a mix of \TEX\ and \XML\ because we
+know when we're doing one or the other.
+
+This manual is dedicated to Taco Hoekwater, one of the first \CONTEXT\ users, and
+also the first to use it for processing \XML. Who could have thought at that time
+that we would have a more convenient way of dealing with those angle brackets.
+The second version for this manual is dedicated to Thomas Schmitz, a power user
+who occasionally became victim of the evolving mechanisms.
+
+\blank
+
+\startlines
+Hans Hagen
+\PRAGMA
+Hasselt NL
+2008\endash2016
+\stoplines
+
+\stopchapter
+
+\stopfrontmatter
+
+\startbodymatter
+
+\startchapter[title={Setting up a converter}]
+
+\startsection[title={from structure to setup}]
+
+We use a very simple document structure for demonstrating how a converter is
+defined. In practice a mapping will be more complex, especially when we have a
+style with complex chapter openings using data coming from all kind of places,
+different styling of sections with the same name, selectively (out of order)
+flushed content, special formatting, etc.
+
+\typefile{manual-demo-1.xml}
+
+Say that this document is stored in the file \type {demo.xml}, then the following
+code can be used as starting point:
+
+\starttyping
+\startxmlsetups xml:demo:base
+  \xmlsetsetup{#1}{*}{-}
+  \xmlsetsetup{#1}{document|section|p}{xml:demo:*}
+\stopxmlsetups
+
+\xmlregisterdocumentsetup{demo}{xml:demo:base}
+
+\startxmlsetups xml:demo:document
+  \starttitle[title={Contents}]
+    \placelist[chapter]
+  \stoptitle
+  \xmlflush{#1}
+\stopxmlsetups
+
+\startxmlsetups xml:demo:section
+  \startchapter[title=\xmlfirst{#1}{/title}]
+    \xmlfirst{#1}{/content}
+  \stopchapter
+\stopxmlsetups
+
+\startxmlsetups xml:demo:p
+  \xmlflush{#1}\endgraf
+\stopxmlsetups
+
+\xmlprocessfile{demo}{demo.xml}{}
+\stoptyping
+
+Watch out! These are not just setups, but specific \XML\ setups which get an
+argument passed (the \type {#1}). If for some reason your \XML\ processing fails,
+it might be that you mistakenly have used a normal setup definition. The argument
+\type {#1} represents the current node (element) and is a unique identifier. For
+instance a \type {<p>..</p>} can have an identifier {demo::5}. So, we can get
+something:
+
+\starttyping
+\xmlflush{demo::5}\endgraf
+\stoptyping
+
+but as well:
+
+\starttyping
+\xmlflush{demo::6}\endgraf
+\stoptyping
+
+Keep in mind that the references tor the actual nodes (elements) are
+abstractions, you never see those \type {<id>::<number>}'s, because we will use
+either the abstract \type {#1} (any node) or an explicit reference like \type
+{demo}. The previous setup when issued will be like:
+
+\starttyping
+\startchapter[title=\xmlfirst{demo::3}{/title}]
+  \xmlfirst{demo::4}{/content}
+\stopchapter
+\stoptyping
+
+Here the \type {title} is used to typeset the chapter title but also for an entry
+in the table of contents. At the moment the title is typeset the \XML\ node gets
+looked up and expanded in real text. However, for the list it gets stored for
+later use. One can argue that this is not needed for \XML, because one can just
+filter all the titles and use page references, but then one also looses the
+control one normally has over such titles. For instance it can be that some
+titles are rendered differently and for that we need to keep track of usage.
+Doing that with transformations or filtering is often more complex than leaving
+that to \TEX. As soon as the list gets typeset, the reference (\type {demo::#3})
+is used for the lookup. This is because by default the title is stored as given.
+So, as long as we make sure the \XML\ source is loaded before the table of
+contents is typeset we're ok. Later we will look into this in more detail, for
+now it's enough to know that in most cases the abstract \type {#1} reference will
+work out ok.
+
+Contrary to the style definitions this interface looks rather low level (with no
+optional arguments) and the main reason for this is that we want processing to be
+fast. So, the basic framework is:
+
+\starttyping
+\startxmlsetups xml:demo:base
+  % associate setups with elements
+\stopxmlsetups
+
+\xmlregisterdocumentsetup{demo}{xml:demo:base}
+
+% define setups for matches
+
+\xmlprocessfile{demo}{demo.xml}{}
+\stoptyping
+
+In this example we mostly just flush the content of an element and in the case of
+a section we flush explicit child elements. The \type {#1} in the example code
+represents the current element. The line:
+
+\starttyping
+\xmlsetsetup{demo}{*}{-}
+\stoptyping
+
+sets the default for each element to \quote {just ignore it}. A \type {+} would
+make the default to always flush the content. This means that at this point we
+only handle:
+
+\starttyping
+<section>
+  <title>Some title</title>
+  <content>
+    <p>a paragraph of text</p>
+  </content>
+</section>
+\stoptyping
+
+In the next section we will deal with the slightly more complex itemize and
+figure placement. At first sight all these setups may look overkill but keep in
+mind that normally the number of elements is rather limited. The complexity is
+often in the style and having access to each snippet of content is actually
+quite handy for that.
+
+\stopsection
+
+\startsection[title={alternative solutions}]
+
+Dealing with an itemize is rather simple (as long as we forget about
+attributes that control the behaviour):
+
+\starttyping
+<itemize>
+  <item>first</item>
+  <item>second</item>
+</itemize>
+\stoptyping
+
+First we need to add \type {itemize} to the setup assignment (unless we've used
+the wildcard \type {*}):
+
+\starttyping
+\xmlsetsetup{demo}{document|section|p|itemize}{xml:demo:*}
+\stoptyping
+
+The setup can look like:
+
+\starttyping
+\startxmlsetups xml:demo:itemize
+  \startitemize
+    \xmlfilter{#1}{/item/command(xml:demo:itemize:item)}
+  \stopitemize
+\stopxmlsetups
+
+\startxmlsetups xml:demo:itemize:item
+  \startitem
+    \xmlflush{#1}
+  \stopitem
+\stopxmlsetups
+\stoptyping
+
+An alternative is to map item directly:
+
+\starttyping
+\xmlsetsetup{demo}{document|section|p|itemize|item}{xml:demo:*}
+\stoptyping
+
+and use:
+
+\starttyping
+\startxmlsetups xml:demo:itemize
+  \startitemize
+    \xmlflush{#1}
+  \stopitemize
+\stopxmlsetups
+
+\startxmlsetups xml:demo:item
+  \startitem
+    \xmlflush{#1}
+  \stopitem
+\stopxmlsetups
+\stoptyping
+
+Sometimes, a more local solution using filters and \type {/command(...)} makes more
+sense, especially when the \type {item} tag is used for other purposes as well.
+
+Explicit flushing with \type {command} is definitely the way to go when you have
+complex products. In one of our projects we compose math school books from many
+thousands of small \XML\ files, and from one source set several products are
+typeset. Within a book sections get done differently, content gets used, ignored
+or interpreted differently depending on the kind of content, so there is a
+constant checking of attributes that drive the rendering. In that a generic setup
+for a title element makes less sense than explicit ones for each case. (We're
+talking of huge amounts of files here, including multiple images on each rendered
+page.)
+
+When using \type {command} you can pass two arguments, the first is the setup for
+the match, the second one for the miss, as in:
+
+\starttyping
+\xmlfilter{#1}{/element/command(xml:true,xml:false)}
+\stoptyping
+
+Back to the example, this leaves us with dealing with the resources, like
+figures:
+
+\starttyping
+<resource type='figure'>
+  <caption>A picture of a cow.</caption>
+  <content><external file="cow.pdf"/></content>
+</resource>
+\stoptyping
+
+Here we can use a more restricted match:
+
+\starttyping
+\xmlsetsetup{demo}{resource[@type='figure']}{xml:demo:figure}
+\xmlsetsetup{demo}{external}{xml:demo:*}
+\stoptyping
+
+and the definitions:
+
+\starttyping
+\startxmlsetups xml:demo:figure
+  \placefigure
+    {\xmlfirst{#1}{/caption}}
+    {\xmlfirst{#1}{/content}}
+\stopxmlsetups
+
+\startxmlsetups xml:demo:external
+  \externalfigure[\xmlatt{#1}{file}]
+\stopxmlsetups
+\stoptyping
+
+At this point it is good to notice that \type {\xmlatt{#1}{file}} is passed as it
+is: a macro call. This means that when a macro like \type {\externalfigure} uses
+the first argument frequently without first storing its value, the lookup is done
+several times. A solution for this is:
+
+\starttyping
+\startxmlsetups xml:demo:external
+  \expanded{\externalfigure[\xmlatt{#1}{file}]}
+\stopxmlsetups
+\stoptyping
+
+Because the lookup is rather fast, normally there is no need to bother about this
+too much because internally \CONTEXT\ already makes sure such expansion happens
+only once.
+
+An alternative definition for placement is the following:
+
+\starttyping
+\xmlsetsetup{demo}{resource}{xml:demo:resource}
+\stoptyping
+
+with:
+
+\starttyping
+\startxmlsetups xml:demo:resource
+  \placefloat
+    [\xmlatt{#1}{type}]
+    {\xmlfirst{#1}{/caption}}
+    {\xmlfirst{#1}{/content}}
+\stopxmlsetups
+\stoptyping
+
+This way you can specify \type {table} as type too. Because you can define your
+own float types, more complex variants are also possible. In that case it makes
+sense to provide some default behaviour too:
+
+\starttyping
+\definefloat[figure-here][figure][default=here]
+\definefloat[figure-left][figure][default=left]
+\definefloat[table-here] [table] [default=here]
+\definefloat[table-left] [table] [default=left]
+
+\startxmlsetups xml:demo:resource
+  \placefloat
+    [\xmlattdef{#1}{type}{figure}-\xmlattdef{#1}{location}{here}]
+    {\xmlfirst{#1}{/caption}}
+    {\xmlfirst{#1}{/content}}
+\stopxmlsetups
+\stoptyping
+
+In this example we support two types and two locations. We default to a figure
+placed (when possible) at the current location.
+
+\stopsection
+
+\stopchapter
+
+\startchapter[title={Filtering content}]
+
+\startsection[title={\TEX\ versus \LUA}]
+
+It will not come as a surprise that we can access \XML\ files from \TEX\ as well
+as from \LUA. In fact there are two methods to deal with \XML\ in \LUA. First
+there are the low level \XML\ functions in the \type {xml} namespace. On top of
+those functions there is a set of functions in the \type {lxml} namespace that
+deals with \XML\ in a more \TEX ie way. Most of these have similar commands at
+the \TEX\ end.
+
+\startbuffer
+\startxmlsetups first:demo:one
+  \xmlfilter {#1} {artist/name[text()='Randy Newman']/..
+    /albums/album[position()=3]/command(first:demo:two)}
+\stopxmlsetups
+
+\startxmlsetups first:demo:two
+  \blank \start \tt
+    \xmldisplayverbatim{#1}
+  \stop \blank
+\stopxmlsetups
+
+\xmlprocessfile{demo}{music-collection.xml}{first:demo:one}
+\stopbuffer
+
+\typebuffer
+
+This gives the following snippet of verbatim \XML\ code. The indentation is
+conform the indentation in the whole \XML\ file. \footnote {The (probably
+outdated) \XML\ file contains the collection stores on my slimserver instance.
+You can use the \type {mtxrun --script flac} to generate such files.}
+
+\doifmodeelse {atpragma} {
+    \getbuffer
+} {
+    \typefile{xml-mkiv-01.xml}
+}
+
+An alternative written in \LUA\ looks as follows:
+
+\startbuffer
+\blank \start \tt \startluacode
+  local m = lxml.load("mine","music-collection.xml") -- m == lxml.id("mine")
+  local p = "artist/name[text()='Randy Newman']/../albums/album[position()=4]"
+  local l = lxml.filter(m,p) -- returns a list (with one entry)
+  lxml.displayverbatim(l[1])
+\stopluacode \stop \blank
+\stopbuffer
+
+\typebuffer
+
+This produces:
+
+\doifmodeelse {atpragma} {
+    \getbuffer
+} {
+    \typefile{xml-mkiv-02.xml}
+}
+
+You can use both methods mixed but in practice we will use the \TEX\ commands in
+regular styles and the mixture in modules, for instance in those dealing with
+\MATHML\ and cals tables. For complex matters you can write your own finalizers
+(the last action to be taken in a match) in \LUA\ and use them at the \TEX\ end.
+
+\stopsection
+
+\startsection[title={a few details}]
+
+In \CONTEXT\ setups are a rather common variant on macros (\TEX\ commands) but
+with their own namespace. An example of a setup is:
+
+\starttyping
+\startsetup doc:print
+  \setuppapersize[A4][A4]
+\stopsetup
+
+\startsetup doc:screen
+  \setuppapersize[S6][S4]
+\stopsetup
+\stoptyping
+
+Given the previous definitions, later on we can say something like:
+
+\starttyping
+\doifmodeelse {paper} {
+  \setup[doc:print]
+} {
+  \setup[doc:screen]
+}
+\stoptyping
+
+Another example is:
+
+\starttyping
+\startsetup[doc:header]
+  \marking[chapter]
+  \space
+  --
+  \space
+  \pagenumber
+\stopsetup
+\stoptyping
+
+in combination with:
+
+\starttyping
+\setupheadertexts[\setup{doc:header}]
+\stoptyping
+
+Here the advantage is that instead of ending up with an unreadable header
+definitions, we use a nicely formatted setup. An important property of setups and
+the reason why they were introduced long ago is that spaces and newlines are
+ignored in the definition. This means that we don't have to worry about so called
+spurious spaces but it also means that when we do want a space, we have to use
+the \type {\space} command.
+
+The only difference between setups and \XML\ setups is that the following ones
+get an argument (\type {#1}) that reflects the current node in the \XML\ tree.
+
+\stopsection
+
+\startsection[title={CDATA}]
+
+What to do with \type {CDATA}? There are a few methods at tle \LUA\ end for
+dealing with it but here we just mention how you can influence the rendering.
+There are four macros that play a role here:
+
+\starttyping
+\unexpanded\def\xmlcdataobeyedline {\obeyedline}
+\unexpanded\def\xmlcdataobeyedspace{\strut\obeyedspace}
+\unexpanded\def\xmlcdatabefore     {\begingroup\tt}
+\unexpanded\def\xmlcdataafter      {\endgroup}
+\stoptyping
+
+Technically you can overload them but beware of side effects. Normally you won't
+see much \type {CDATA} and whenever we do, it involves special data that needs
+very special treatment anyway.
+
+\stopsection
+
+\startsection[title={Entities}]
+
+As usual with any way of encoding documents you need escapes in order to encode
+the characters that are used in tagging the content, embedding comments, escaping
+special characters in strings (in programming languages), etc. In \XML\ this
+means that in order characters like \type {<} you need an escape like \type
+{&lt;} and in order then to encode an \type {&} you need \type {&amp;}.
+
+In a typesetting workflow using a programming language like \TEX, another problem
+shows up. There we have different special characters, like \type {$ $} for triggering
+math, but also the backslash, braces etc. Even one such special character is already
+enough to have yet another escaping mechanism at work.
+
+Ideally a user should not worry about these issues but it helps figuring out issues
+when you know what happens under the hood. Also it is good to know that in the
+code there are several ways to deal with these issues. Take the following document:
+
+\starttyping
+<text>
+    Here we have a bit of a &lt;&mess&gt;:
+
+    # &#35;
+    % &#37;
+    \ &#92;
+    { &#123;
+    | &#124;
+    } &#125;
+    ~ &#126;
+</text>
+\stoptyping
+
+When the file is read the \type {&lt;} entity will be replaced by \type {<} and
+the \type {&gt;} by \type {>}. The numeric entities will be replaced by the
+characters they refer to. The \type {&mess} is kind of special. We do preload
+a huge list of more or less standardized entities but \type {mess} is not in
+there. However, it is possible to have it defined in the document preamble, like:
+
+\starttyping
+<!DOCTYPE dummy SYSTEM "dummy.dtd" [
+    <!ENTITY mess "what a mess" >
+]>
+\stoptyping
+
+or even this:
+
+\starttyping
+<!DOCTYPE dummy SYSTEM "dummy.dtd" [
+    <!ENTITY mess "<p>what a mess</p>" >
+]>
+\stoptyping
+
+You can also define it in your document style using one of:
+
+\startxmlcmd {\cmdbasicsetup{xmlsetentity}}
+    replaces entity with name \cmdinternal {cd:name} by \cmdinternal {cd:text}
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmltexentity}}
+    replaces entity with name \cmdinternal {cd:name} by \cmdinternal {cd:text}
+    typeset under a \TEX\ regime
+\stopxmlcmd
+
+Such a definition will always have a higher priority than the one defined
+in the document. Anyway, when the document is read in all entities are
+resolved and those that need a special treatment because they map to some
+text are stored in such a way that we can roundtrip them. As a consequence,
+as soon as the content gets pushed into \TEX, we need not only to intercept
+special characters but also have to make sure that the following works:
+
+\starttyping
+\xmltexentity {tex} {\TEX}
+\stoptyping
+
+Here the backslash starts a control sequence while in regular content a
+backslash is just that: a backslash.
+
+Special characters are really special when we have to move text around
+in a \TEX\ ecosystem.
+
+\starttyping
+<text>
+    <title>About #3</title>
+</text>
+\stoptyping
+
+If we map and define title as follows:
+
+\starttyping
+\startxmlsetup xml:title
+    \title{\xmlflush{#1}}
+\stopxmlsetup
+\stoptyping
+
+normally something \type {\xmlflush {id::123}} will be written to the
+auxiliary file and in most cases that is quite okay, but if we have this:
+
+\starttyping
+\setuphead[title][expansion=yes]
+\stoptyping
+
+then we don't want the \type {#} to end up as hash because later on \TEX\
+can get very confused about it because it sees some argument then in a
+probably unexpected way. This is solved by escaping the hash like this:
+
+\starttyping
+About \Ux{23}3
+\stoptyping
+
+The \type {\Ux} command will convert its hexadecimal argument into a
+character. Of course one then needs to typeset such a text under a \TEX\
+character regime but that is normally the case anyway.
+
+\stopsection
+
+\stopchapter
+
+\startchapter[title={Commands}]
+
+\startsection[title={nodes and lpaths}]
+
+The amount of commands available for manipulating the \XML\ file is rather large.
+Many of the commands cooperate with the already discussed setups, a fancy name
+for a collection of macro calls either or not mixed with text.
+
+Most of the commands are just shortcuts to \LUA\ calls, which means that the real
+work is done by \LUA. In fact, what happens is that we have a continuous transfer
+of control from \TEX\ to \LUA, where \LUA\ prints back either data (like element
+content or attribute values) or just invokes a setup whereby it passes a
+reference to the node resolved conform the path expression. The invoked setup
+itself might return control to \LUA\ again, etc.
+
+This sounds complicated but examples will show what we mean here. First we
+present the whole repertoire of commands. Because users can read the source code,
+they might uncover more commands, but only the ones discussed here are official.
+The commands are grouped in categories.
+
+In the following sections \cmdinternal {cd:node} means a reference to a node:
+this can be the identifier of the root (the loaded xml tree) or a reference to a
+node in that tree (often the result of some lookup. A \cmdinternal {cd:lpath} is
+a fancy name for a path expression (as with \XSLT) but resolved by \LUA.
+
+\stopsection
+
+\startsection[title={commands}]
+
+There are a lot of commands available but you probably can ignore most of them.
+We try to be complete which means that there is for instance \type {\xmlfirst} as
+well as \type {\xmllast} but you probably never need the last one. There are also
+commands that were used when testing this interface and we see no reason to
+remove them. Some obscure ones are used in modules and after a while even I often
+forget that they exist. To give you an idea of what commands are important we
+show their use in generating the \CONTEXT\ command definitions (\type
+{x-set-11.mkiv}) per Januari 2016:
+
+\startcolumns[n=2,balance=yes]
+\starttabulate[|l|r|]
+\NC \type {\xmlall}                   \NC  1 \NC \NR
+\NC \type {\xmlatt}                   \NC 23 \NC \NR
+\NC \type {\xmlattribute}             \NC  1 \NC \NR
+\NC \type {\xmlcount}                 \NC  1 \NC \NR
+\NC \type {\xmldoif}                  \NC  2 \NC \NR
+\NC \type {\xmldoifelse}              \NC  1 \NC \NR
+\NC \type {\xmlfilterlist}            \NC  4 \NC \NR
+\NC \type {\xmlflush}                 \NC  5 \NC \NR
+\NC \type {\xmlinclude}               \NC  1 \NC \NR
+\NC \type {\xmlloadonly}              \NC  1 \NC \NR
+\NC \type {\xmlregisterdocumentsetup} \NC  1 \NC \NR
+\NC \type {\xmlsetsetup}              \NC  1 \NC \NR
+\NC \type {\xmlsetup}                 \NC  4 \NC \NR
+\stoptabulate
+\stopcolumns
+
+As you can see filtering, flushing and accessing attributes score high. Below we show
+the statistics of a quite complex rendering (5 variants of schoolbooks: basic book,
+answers, teachers guide, worksheets, full blown version with extensive tracing).
+
+\startcolumns[n=2,balance=yes]
+\starttabulate[|l|r|]
+\NC \type {\xmladdindex}              \NC   3 \NC \NR
+\NC \type {\xmlall}                   \NC   5 \NC \NR
+\NC \type {\xmlappendsetup}           \NC   1 \NC \NR
+\NC \type {\xmlapplyselectors}        \NC   1 \NC \NR
+\NC \type {\xmlatt}                   \NC  40 \NC \NR
+\NC \type {\xmlattdef}                \NC   9 \NC \NR
+\NC \type {\xmlattribute}             \NC  10 \NC \NR
+\NC \type {\xmlbadinclusions}         \NC   3 \NC \NR
+\NC \type {\xmlconcat}                \NC   3 \NC \NR
+\NC \type {\xmlcount}                 \NC   1 \NC \NR
+\NC \type {\xmldelete}                \NC  11 \NC \NR
+\NC \type {\xmldoif}                  \NC  39 \NC \NR
+\NC \type {\xmldoifelse}              \NC  28 \NC \NR
+\NC \type {\xmldoifelsetext}          \NC  13 \NC \NR
+\NC \type {\xmldoifnot}               \NC   2 \NC \NR
+\NC \type {\xmldoifnotselfempty}      \NC   1 \NC \NR
+\NC \type {\xmlfilter}                \NC 100 \NC \NR
+\NC \type {\xmlfirst}                 \NC  51 \NC \NR
+\NC \type {\xmlflush}                 \NC  69 \NC \NR
+\NC \type {\xmlflushcontext}          \NC   2 \NC \NR
+\NC \type {\xmlinclude}               \NC   1 \NC \NR
+\NC \type {\xmlincludeoptions}        \NC   5 \NC \NR
+\NC \type {\xmlinclusion}             \NC  16 \NC \NR
+\NC \type {\xmlinjector}              \NC   1 \NC \NR
+\NC \type {\xmlloaddirectives}        \NC   1 \NC \NR
+\NC \type {\xmlmapvalue}              \NC   4 \NC \NR
+\NC \type {\xmlmatch}                 \NC   1 \NC \NR
+\NC \type {\xmlprependsetup}          \NC   5 \NC \NR
+\NC \type {\xmlregisterdocumentsetup} \NC   2 \NC \NR
+\NC \type {\xmlregistersetup}         \NC   1 \NC \NR
+\NC \type {\xmlremapnamespace}        \NC   1 \NC \NR
+\NC \type {\xmlsetfunction}           \NC   2 \NC \NR
+\NC \type {\xmlsetinjectors}          \NC   2 \NC \NR
+\NC \type {\xmlsetsetup}              \NC  11 \NC \NR
+\NC \type {\xmlsetup}                 \NC  76 \NC \NR
+\NC \type {\xmlstrip}                 \NC   1 \NC \NR
+\NC \type {\xmlstripanywhere}         \NC   1 \NC \NR
+\NC \type {\xmltag}                   \NC   1 \NC \NR
+\NC \type {\xmltext}                  \NC  53 \NC \NR
+\NC \type {\xmlvalue}                 \NC   2 \NC \NR
+\stoptabulate
+\stopcolumns
+
+Here many more are used but this is an exceptional case. The top is again
+dominated by filtering, flushing and attribute consulting. The list can actually
+be smaller. For instance, the \type {\xmlcount} can just as well be \type
+{\xmlfilter} with a \type {count} finalizer. There are also some special ones,
+like the injectors, that are needed for finetuning the final result.
+
+\stopsection
+
+\startsection[title={loading}]
+
+\startxmlcmd {\cmdbasicsetup{xmlloadfile}}
+    loads the file \cmdinternal {cd:file} and registers it under \cmdinternal
+    {cd:name} and applies either given or standard \cmdinternal
+    {cd:xmlsetup} (alias: \type {\xmlload})
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlloadbuffer}}
+    loads the buffer \cmdinternal {cd:buffer} and registers it under
+    \cmdinternal {cd:name} and applies either given or standard
+    \cmdinternal {cd:xmlsetup}
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlloaddata}}
+    loads \cmdinternal {cd:text} and registers it under \cmdinternal
+    {cd:name} and applies either given or standard \cmdinternal
+    {cd:xmlsetup}
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlloadonly}}
+    loads \cmdinternal {cd:text} and registers it under \cmdinternal
+    {cd:name} and applies either given or standard \cmdinternal
+    {cd:xmlsetup} but doesn't flush the content
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlinclude}}
+    includes the file specified by attribute \cmdinternal {cd:name} of the
+    element located by \cmdinternal {cd:lpath} at node \cmdinternal {cd:node}
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlprocessfile}}
+    registers file \cmdinternal {cd:file} as \cmdinternal {cd:name} and
+    process the tree starting with \cmdinternal {cd:xmlsetup} (alias:
+    \type {\xmlprocess})
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlprocessbuffer}}
+    registers buffer \cmdinternal {cd:name} as \cmdinternal {cd:name} and process
+    the tree starting with \cmdinternal {cd:xmlsetup}
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlprocessdata}}
+    registers \cmdinternal {cd:text} as \cmdinternal {cd:name} and process
+    the tree starting with \cmdinternal {cd:xmlsetup}
+\stopxmlcmd
+
+The initial setup defaults to \type {xml:process} that is defined
+as follows:
+
+\starttyping
+\startsetups xml:process
+  \xmlregistereddocumentsetups\xmldocument
+  \xmlmain\xmldocument
+\stopsetups
+\stoptyping
+
+First we apply the setups associated with the document (including common setups)
+and then we flush the whole document. The macro \type {\xmldocument} expands to
+the current document id. There is also \type {\xmlself} which expands to the
+current node number (\type {#1} in setups).
+
+\startxmlcmd {\cmdbasicsetup{xmlmain}}
+    returns the whole document
+\stopxmlcmd
+
+Normally such a flush will trigger a chain reaction of setups associated with the
+child elements.
+
+\stopsection
+
+\startsection[title={saving}]
+
+\startxmlcmd {\cmdbasicsetup{xmlsave}}
+    saves the given node \cmdinternal {cd:node} in the file \cmdinternal {cd:file}
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmltofile}}
+    saves the match of \cmdinternal {cd:lpath} in the file \cmdinternal {cd:file}
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmltobuffer}}
+    saves the match of \cmdinternal {cd:lpath} in the buffer \cmdinternal {cd:buffer}
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmltobufferverbose}}
+    saves the match of \cmdinternal {cd:lpath} verbatim in the buffer \cmdinternal
+    {cd:buffer}
+\stopxmlcmd
+
+% \startxmlcmd {\cmdbasicsetup{xmltoparameters}}
+%     converts the match of \cmdinternal {cd:lpath} to key|/|values (for tracing)
+% \stopxmlcmd
+
+The next command is only needed when you have messed with the tree using
+\LUA\ code.
+
+\startxmlcmd {\cmdbasicsetup{xmladdindex}}
+    (re)indexes a tree
+\stopxmlcmd
+
+The following macros are only used in special situations and are not really meant
+for users.
+
+\startxmlcmd {\cmdbasicsetup{xmlraw}}
+    flush the content if \cmdinternal {cd:node} with original entities
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{startxmlraw}}
+    flush the wrapped content with original entities
+\stopxmlcmd
+
+\stopsection
+
+\startsection[title={flushing data}]
+
+When we flush an element, the associated \XML\ setups are expanded. The most
+straightforward way to flush an element is the following. Keep in mind that the
+returned values itself can trigger setups and therefore flushes.
+
+\startxmlcmd {\cmdbasicsetup{xmlflush}}
+    returns all nodes under \cmdinternal {cd:node}
+\stopxmlcmd
+
+You can restrict flushing by using commands that accept a specification.
+
+\startxmlcmd {\cmdbasicsetup{xmltext}}
+    returns the text of the matching \cmdinternal {cd:lpath} under \cmdinternal
+    {cd:node}
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlpure}}
+    returns the text of the matching \cmdinternal {cd:lpath} under \cmdinternal
+    {cd:node} without \type {\Ux} escaped special \TEX\ characters
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlflushtext}}
+    returns the text of the \cmdinternal {cd:node}
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlflushpure}}
+    returns the text of the \cmdinternal {cd:node} without \type {\Ux} escaped
+    special \TEX\ characters
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlnonspace}}
+    returns the text of the matching \cmdinternal {cd:lpath} under \cmdinternal
+    {cd:node} without embedded spaces
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlall}}
+    returns all nodes under \cmdinternal {cd:node} that matches \cmdinternal
+    {cd:lpath}
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmllastmatch}}
+    returns all nodes found in the last match
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlfirst}}
+    returns the first node under \cmdinternal {cd:node} that matches \cmdinternal
+    {cd:lpath}
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmllast}}
+    returns the last node under \cmdinternal {cd:node} that matches \cmdinternal
+    {cd:lpath}
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlfilter}}
+    at a match of \cmdinternal {cd:lpath} a given filter \type {filter} is applied
+    and the result is returned
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlsnippet}}
+    returns the \cmdinternal {cd:number}\high{th} element under \cmdinternal
+    {cd:node}
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlposition}}
+    returns the \cmdinternal {cd:number}\high{th} match of \cmdinternal
+    {cd:lpath} at node \cmdinternal {cd:node}; a negative number starts at the
+    end (alias: \type {\xmlindex})
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlelement}}
+    returns the \cmdinternal {cd:number}\high{th} child of node \cmdinternal {cd:node};
+    a negative number starts at the end
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlpos}}
+    returns the index (position) in the parent node of \cmdinternal {cd:node}
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlconcat}}
+    returns the sequence of nodes that match \cmdinternal {cd:lpath} at
+    \cmdinternal {cd:node} whereby \cmdinternal {cd:text} is put between each
+    match
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlconcatrange}}
+    returns the \cmdinternal {cd:first}\high {th} upto \cmdinternal
+    {cd:last}\high {th} of nodes that match \cmdinternal {cd:lpath} at
+    \cmdinternal {cd:node} whereby \cmdinternal {cd:text} is put between each
+    match
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlcommand}}
+    apply the given \cmdinternal {cd:xmlsetup} to each match of \cmdinternal
+    {cd:lpath} at node \cmdinternal {cd:node}
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlstrip}}
+    remove leading and trailing spaces from nodes under \cmdinternal {cd:node}
+    that match \cmdinternal {cd:lpath}
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlstripped}}
+    remove leading and trailing spaces from nodes under \cmdinternal {cd:node}
+    that match \cmdinternal {cd:lpath} and return the content afterwards
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlstripnolines}}
+    remove leading and trailing spaces as well as collapse embedded spaces
+    from nodes under \cmdinternal {cd:node} that match \cmdinternal {cd:lpath}
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlstrippednolines}}
+    remove leading and trailing spaces as well as collapse embedded spaces from
+    nodes under \cmdinternal {cd:node} that match \cmdinternal {cd:lpath} and
+    return the content afterwards
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlverbatim}}
+    flushes the content verbatim code (without any wrapping, i.e. no fonts
+    are selected and such)
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlinlineverbatim}}
+    return the content of the node as inline verbatim code; no further
+    interpretation (expansion) takes place and spaces are honoured; it uses the
+    following wrapper
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{startxmlinlineverbatim}}
+    wraps inline verbatim mode using the environment specified (a prefix \type
+    {xml:} is added to the environment name)
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmldisplayverbatim}}
+    return the content of the node as display verbatim code; no further
+    interpretation (expansion) takes place and leading and trailing spaces and
+    newlines are treated special; it uses the following wrapper
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{startxmldisplayverbatim}}
+    wraps the content in display verbatim using the environment specified (a prefix
+    \type {xml:} is added to the environment name)
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlprettyprint}}
+    pretty print (with colors) the node \cmdinternal {cd:node}; use the \CONTEXT\
+    \SCITE\ lexers when available (\type {\usemodule [scite]})
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlflushspacewise}}
+    flush node \cmdinternal {cd:node} obeying spaces and newlines
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlflushlinewise}}
+    flush node \cmdinternal {cd:node} obeying newlines
+\stopxmlcmd
+
+\stopsection
+
+\startsection[title={information}]
+
+The following commands return strings. Normally these are used in tests.
+
+\startxmlcmd {\cmdbasicsetup{xmlname}}
+    returns the complete name (including namespace prefix) of the
+    given \cmdinternal {cd:node}
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlnamespace}}
+    returns the namespace of the given \cmdinternal {cd:node}
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmltag}}
+    returns the tag of the element, without namespace prefix
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlcount}}
+    returns the number of matches of \cmdinternal {cd:lpath} at node \cmdinternal
+    {cd:node}
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlatt}}
+    returns the value of attribute \cmdinternal {cd:name} or empty if no such
+    attribute exists
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlattdef}}
+    returns the value of attribute \cmdinternal {cd:name} or \cmdinternal
+    {cd:string} if no such attribute exists
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlrefatt}}
+    returns the value of attribute \cmdinternal {cd:name} or empty if no such
+    attribute exists; a leading \type {#} is removed (nicer for tex)
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlchainatt}}
+    returns the value of attribute \cmdinternal {cd:name} or empty if no such
+    attribute exists; backtracks till a match is found
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlchainattdef}}
+    returns the value of attribute \cmdinternal {cd:name} or \cmdinternal
+    {cd:string} if no such attribute exists; backtracks till a match is found
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlattribute}}
+    finds a first match for \cmdinternal {cd:lpath} at \cmdinternal {cd:node} and
+    returns the value of attribute \cmdinternal {cd:name} or empty if no such
+    attribute exists
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlattributedef}}
+    finds a first match for \cmdinternal {cd:lpath} at \cmdinternal {cd:node} and
+    returns the value of attribute \cmdinternal {cd:name} or \cmdinternal
+    {cd:text} if no such attribute exists
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmllastatt}}
+    returns the last attribute found (this avoids a lookup)
+\stopxmlcmd
+
+\stopsection
+
+\startsection[title={manipulation}]
+
+You can use \LUA\ code to manipulate the tree and it makes no sense to duplicate
+this in \TEX. In the future we might provide an interface to some of this
+functionality. Keep in mind that manipuating the tree might have side effects as
+we maintain several indices into the tree that also needs to be updated then.
+
+\stopsection
+
+\startsection[title={integration}]
+
+If you write a module that deals with \XML, for instance processing cals tables,
+then you need ways to control specific behaviour. For instance, you might want to
+add a background to the table. Such directives are collected in \XML\ files and
+can be loaded on demand.
+
+\startxmlcmd {\cmdbasicsetup{xmlloaddirectives}}
+    loads \CONTEXT\ directives from \cmdinternal {cd:file} that will get
+    interpreted when processing documents
+\stopxmlcmd
+
+A directives definition file looks as follows:
+
+\starttyping
+<?xml version="1.0" standalone="yes"?>
+
+<directives>
+  <directive attribute='id' value="100"
+    setup="cdx:100"/>
+  <directive attribute='id' value="101"
+    setup="cdx:101"/>
+  <directive attribute='cdx' value="colors" element="cals:table"
+    setup="cdx:cals:table:colors"/>
+  <directive attribute='cdx' value="vertical" element="cals:table"
+    setup="cdx:cals:table:vertical"/>
+  <directive attribute='cdx' value="noframe" element="cals:table"
+    setup="cdx:cals:table:noframe"/>
+  <directive attribute='cdx' value="*" element="cals:table"
+    setup="cdx:cals:table:*"/>
+</directives>
+\stoptyping
+
+Examples of usage can be found in \type {x-cals.mkiv}. The directive is triggered
+by an attribute. Instead of a setup you can specify a setup to be applied before
+and after the node gets flushed.
+
+\startxmlcmd {\cmdbasicsetup{xmldirectives}}
+    apply the setups directive associated with the node
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmldirectivesbefore}}
+    apply the before directives associated with the node
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmldirectivesafter}}
+    apply the after directives associated with the node
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlinstalldirective}}
+    defines a directive that hooks into a handler
+\stopxmlcmd
+
+Normally a directive will be put in the \XML\ file, for instance as:
+
+\starttyping
+<?context-mathml-directive minus reduction yes ?>
+\stoptyping
+
+Here the \type {mathml} is the general class of directives and \type {minus} a
+subclass, in our case a specific element.
+
+\stopsection
+
+\startsection[title={setups}]
+
+The basic building blocks of \XML\ processing are setups. These are just
+collections of macros that are expanded. These setups get one argument passed
+(\type {#1}):
+
+\starttyping
+\startxmlsetups somedoc:somesetup
+    \xmlflush{#1}
+\stopxmlsetups
+\stoptyping
+
+This argument is normally a number that internally refers to a specific node in
+the \XML\ tree. The user should see it as an abstract reference and not depend on
+its numeric property. Just think of it as \quote {the current node}. You can (and
+probably will) call such setups using:
+
+\startxmlcmd {\cmdbasicsetup{xmlsetup}}
+    expands setup \cmdinternal {cd:setup} and pass \cmdinternal {cd:node} as
+    argument
+\stopxmlcmd
+
+However, in most cases the setups are associated to specific elements,
+something that users of \XSLT\ might recognize as templates.
+
+\startxmlcmd {\cmdbasicsetup{xmlsetfunction}}
+    associates function \cmdinternal {cd:luafunction} to the elements in
+    namespace \cmdinternal {cd:name} that match \cmdinternal {cd:lpath}
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlsetsetup}}
+    associates setups \cmdinternal {cd:setup} (\TEX\ code) with the matching
+    nodes of \cmdinternal {cd:lpath} or root \cmdinternal {cd:node}
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlprependsetup}}
+    pushes \cmdinternal {cd:setup} to the front of global list of setups
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlappendsetup}}
+    adds \cmdinternal {cd:setup} to the global list of setups to be applied
+    (alias: \type{\xmlregistersetup})
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlbeforesetup}}
+    pushes \cmdinternal {cd:setup} into the global list of setups; the
+    last setup is the position
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlaftersetup}}
+    adds \cmdinternal {cd:setup} to the global list of setups; the last setup
+    is the position
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlremovesetup}}
+    removes \cmdinternal {cd:setup} from the global list of setups
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlprependdocumentsetup}}
+    pushes \cmdinternal {cd:setup} to the front of list of setups to be applied
+    to \cmdinternal {cd:name}
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlappenddocumentsetup}}
+    adds \cmdinternal {cd:setup} to the list of setups to be applied to
+    \cmdinternal {cd:name} (you can also use the alias: \type
+    {\xmlregisterdocumentsetup})
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlbeforedocumentsetup}}
+    pushes \cmdinternal {cd:setup} into the setups to be applied to \cmdinternal
+    {cd:name}; the last setup is the position
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlafterdocumentsetup}}
+    adds \cmdinternal {cd:setup} to the setups to be applied to \cmdinternal
+    {cd:name}; the last setup is the position
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlremovedocumentsetup}}
+    removes \cmdinternal {cd:setup} from the global list of setups to be applied
+    to \cmdinternal {cd:name}
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlresetsetups}}
+    removes all global setups
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlresetdocumentsetups}}
+    removes all setups from the \cmdinternal {cd:name} specific list of setups to
+    be applied
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlflushdocumentsetups}{setup}}
+    applies \cmdinternal {cd:setup} (can be a list) to \cmdinternal {cd:name}
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlregisteredsetups}}
+    applies all global setups to the current document
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlregistereddocumentsetups}}
+    applies all document specific \cmdinternal {cd:setup} to document
+    \cmdinternal {cd:name}
+\stopxmlcmd
+
+\stopsection
+
+\startsection[title={testing}]
+
+The following test macros all take a \cmdinternal {cd:node} as first argument
+and an \cmdinternal {cd:lpath} as second:
+
+\startxmlcmd {\cmdbasicsetup{xmldoif}}
+    expands to \cmdinternal {cd:true} when \cmdinternal {cd:lpath} matches at
+    node \cmdinternal {cd:node}
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmldoifnot}}
+    expands to \cmdinternal {cd:true} when \cmdinternal {cd:lpath} does not match
+    at node \cmdinternal {cd:node}
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmldoifelse}}
+    expands to \cmdinternal {cd:true} when \cmdinternal {cd:lpath} matches at
+    node \cmdinternal {cd:node} and to \cmdinternal {cd:false} otherwise
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmldoiftext}}
+    expands to \cmdinternal {cd:true} when the node matching \cmdinternal
+    {cd:lpath} at node \cmdinternal {cd:node} has some content
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmldoifnottext}}
+    expands to \cmdinternal {cd:true} when the node matching \cmdinternal
+    {cd:lpath} at node \cmdinternal {cd:node} has no content
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmldoifelsetext}}
+    expands to \cmdinternal {cd:true} when the node matching \cmdinternal
+    {cd:lpath} at node \cmdinternal {cd:node} has content and to \cmdinternal
+    {cd:false} otherwise
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmldoifelseempty}}
+    expands to \cmdinternal {cd:true} when the node matching \cmdinternal
+    {cd:lpath} at node \cmdinternal {cd:node} is empty and to \cmdinternal
+    {cd:false} otherwise
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmldoifelseselfempty}}
+    expands to \cmdinternal {cd:true} when the node is empty and to \cmdinternal
+    {cd:false} otherwise
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmldoifselfempty}}
+    expands to \cmdinternal {cd:true} when \cmdinternal {cd:node} is empty
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmldoifnotselfempty}}
+    expands to \cmdinternal {cd:true} when \cmdinternal {cd:node} is not empty
+\stopxmlcmd
+
+\stopsection
+
+\startsection[title={initialization}]
+
+The general setup command (not to be confused with setups) that deals with the
+\MKIV\ tree handler is \type {\setupxml}. There are currently only a few options.
+
+\cmdfullsetup{setupxml}
+
+When you set \type {default} to \cmdinternal {cd:text} elements with no setup
+assigned will end up as text. When set to \type {hidden} such elements will be
+hidden. You can apply the default yourself using:
+
+\startxmlcmd {\cmdbasicsetup{xmldefaulttotext}}
+    presets the tree with root \cmdinternal {cd:node} to the handlers set up with
+    \type {\setupxml} option \cmdinternal{default}
+\stopxmlcmd
+
+You can set \type {compress} to \type {yes} in which case comment is stripped
+from the tree when the file is read.
+
+\startxmlcmd {\cmdbasicsetup{xmlregisterns}}
+    associates an internal namespace (like \type {mml}) with one given in the
+    document as \URL\ (like mathml)
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlremapname}}
+    changes the namespace and tag of the matching elements
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlremapnamespace}}
+    replaces all references to the given namespace to a new one (applied
+    recursively)
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlchecknamespace}}
+    sets the namespace of the matching elements unless a namespace is already set
+\stopxmlcmd
+
+\stopsection
+
+\startsection[title={helpers}]
+
+Often an attribute will determine the rendering and this may result in many
+tests. Especially when we have multiple attributes that control the output such
+tests can become rather extensive and redundant because one gets $n\times m$ or
+more such tests.
+
+Therefore we have a convenient way to map attributes onto for instance strings or
+commands.
+
+\startxmlcmd {\cmdbasicsetup{xmlmapvalue}}
+    associate a \cmdinternal {cd:text} with a \cmdinternal {cd:category} and
+    \cmdinternal {cd:name} (alias: \type{\xmlmapval})
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlvalue}}
+    expand the value associated with a \cmdinternal {cd:category} and
+    \cmdinternal {cd:name} and if not resolved, expand to the \cmdinternal
+    {cd:text} (alias: \type{\xmlval})
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmldoifelsevalue}}
+    associate a \cmdinternal {cd:text} with a \cmdinternal {cd:category} and
+    \cmdinternal {cd:name}
+\stopxmlcmd
+
+This is used as follows. We define a couple of mappings in the same category:
+
+\starttyping
+\xmlmapvalue{emph}{bold}  {\bf}
+\xmlmapvalue{emph}{italic}{\it}
+\stoptyping
+
+Assuming that we have associated the following setup with the \type {emph}
+element, we can say (with \type {#1} being the current element):
+
+\starttyping
+\startxmlsetups demo:emph
+  \begingroup
+    \xmlvalue{emph}{\xmlatt{#1}{type}}{}
+  \endgroup
+\stopxmlsetups
+\stoptyping
+
+In this case we have no default. The \type {type} attribute triggers the actions,
+as in:
+
+\starttyping
+normal <emph type='bold'>bold</emph> normal
+\stoptyping
+
+This mechanism is not really bound to elements and attributes so you can use this
+mechanism for other purposes as well.
+
+\stopsection
+
+\stopchapter
+
+\startchapter[title={Expressions and filters}]
+
+\startsection[title={path expressions}]
+
+In the previous chapters we used \cmdinternal {cd:lpath} expressions, which are a variant
+on \type {xpath} expressions as in \XSLT\ but in this case more geared towards
+usage in \TEX. This mechanisms will be extended when demands are there.
+
+A path is a sequence of matches. A simple path expression is:
+
+\starttyping
+a/b/c/d
+\stoptyping
+
+Here each \type {/} goes one level deeper. We can go backwards in a lookup with
+\type {..}:
+
+\starttyping
+a/b/../d
+\stoptyping
+
+We can also combine lookups, as in:
+
+\starttyping
+a/(b|c)/d
+\stoptyping
+
+A negated lookup is preceded by a \type {!}:
+
+\starttyping
+a/(b|c)/!d
+\stoptyping
+
+A wildcard is specified with a \type {*}:
+
+\starttyping
+a/(b|c)/!d/e/*/f
+\stoptyping
+
+In addition to these tag based lookups we can use attributes:
+
+\starttyping
+a/(b|c)/!d/e/*/f[@type=whatever]
+\stoptyping
+
+An \type {@} as first character means that we are dealing with an attribute.
+Within the square brackets there can be boolean expressions:
+
+\starttyping
+a/(b|c)/!d/e/*/f[@type=whatever and @id>100]
+\stoptyping
+
+You can use functions as in:
+
+\starttyping
+a/(b|c)/!d/e/*/f[something(text()) == "oeps"]
+\stoptyping
+
+There are a couple of predefined functions:
+
+\starttabulate[|l|l|p|]
+\NC \type{rootposition} \type{order} \NC number \NC the index of the matched root element (kind of special) \NC \NR
+\NC \type{position}                  \NC number \NC the current index of the matched element in the match list \NC \NR
+\NC \type{match}                     \NC number \NC the current index of the matched element sub list with the same parent \NC \NR
+\NC \type{first}                     \NC number \NC \NC \NR
+\NC \type{last}                      \NC number \NC \NC \NR
+\NC \type{index}                     \NC number \NC the current index of the matched element in its parent list \NC \NR
+\NC \type{firstindex}                \NC number \NC \NC \NR
+\NC \type{lastindex}                 \NC number \NC \NC \NR
+\NC \type{element}                   \NC number \NC the element's index \NC \NR
+\NC \type{firstelement}              \NC number \NC \NC \NR
+\NC \type{lastelement}               \NC number \NC \NC \NR
+\NC \type{text}                      \NC string \NC the textual representation of the matched element \NC \NR
+\NC \type{content}                   \NC table  \NC the node of the matched element \NC \NR
+\NC \type{name}                      \NC string \NC the full name of the matched element: namespace and tag \NC \NR
+\NC \type{namespace} \type{ns}       \NC string \NC the namespace of the matched element \NC \NR
+\NC \type{tag}                       \NC string \NC the tag of the matched element \NC \NR
+\NC \type{attribute}                 \NC string \NC the value of the attribute with the given name of the matched element \NC \NR
+\stoptabulate
+
+There are fundamental differences between \type {position}, \type {match} and
+\type {index}. Each step results in a new list of matches. The \type {position}
+is the index in this new (possibly intermediate) list. The \type {match} is also
+an index in this list but related to the specific match of element names. The
+\type {index} refers to the location in the parent element.
+
+Say that we have:
+
+\starttyping
+<collection>
+  <resources>
+    <manual>
+      <screen>.1.</screen>
+      <paper>.1.</paper>
+    </manual>
+    <manual>
+      <paper>.2.</paper>
+      <screen>.2.</screen>
+    </manual>
+  <resources>
+  <resources>
+    <manual>
+      <screen>.3.</screen>
+      <paper>.3.</paper>
+    </manual>
+  <resources>
+<collection>
+\stoptyping
+
+The following then applies:
+
+\starttabulate[|l|l|]
+\NC \type {collection/resources/manual[position()==1]/paper} \NC \type{.1.} \NC \NR
+\NC \type {collection/resources/manual[match()==1]/paper}    \NC \type{.1.} \type{.3.} \NC \NR
+\NC \type {collection/resources/manual/paper[index()==1]}    \NC \type{.2.} \NC \NR
+\stoptabulate
+
+In most cases the \type {position} test is more restrictive than the \type
+{match} test.
+
+You can pass your own functions too. Such functions are defined in the the \type
+{xml.expressions} namespace. We have defined a few shortcuts:
+
+\starttabulate[|l|l|]
+\NC \type {find(str,pattern)} \NC \type{string.find}      \NC \NR
+\NC \type {contains(str)}     \NC \type{string.find}      \NC \NR
+\NC \type {oneof(str,...)}    \NC is \type{str} in list   \NC \NR
+\NC \type {upper(str)}        \NC \type{characters.upper} \NC \NR
+\NC \type {lower(str)}        \NC \type{characters.lower} \NC \NR
+\NC \type {number(str)}       \NC \type{tonumber}         \NC \NR
+\NC \type {boolean(str)}      \NC \type{toboolean}        \NC \NR
+\NC \type {idstring(str)}     \NC removes leading hash    \NC \NR
+\NC \type {name(index)}       \NC full tag name           \NC \NR
+\NC \type {tag(index)}        \NC tag name                \NC \NR
+\NC \type {namespace(index)}  \NC namespace of tag        \NC \NR
+\NC \type {text(index)}       \NC content                 \NC \NR
+\NC \type {error(str)}        \NC quit and show error     \NC \NR
+\NC \type {quit()}            \NC quit                    \NC \NR
+\NC \type {print()}           \NC print message           \NC \NR
+\NC \type {count(pattern)}    \NC number of matches       \NC \NR
+\NC \type {child(pattern)}    \NC take child that matches \NC \NR
+\stoptabulate
+
+
+You can also use normal \LUA\ functions as long as you make sure that you pass
+the right arguments. There are a few predefined variables available inside such
+functions.
+
+\starttabulate[|Tl|l|p|]
+\NC \type{list}  \NC table   \NC the list of matches \NC \NR
+\NC \type{l}     \NC number  \NC the current index in the list of matches \NC \NR
+\NC \type{ll}    \NC element \NC the current element that matched \NC \NR
+\NC \type{order} \NC number  \NC the position of the root of the path \NC \NR
+\stoptabulate
+
+The given expression between \type {[]} is converted to a \LUA\ expression so you
+can use the usual operators:
+
+\starttyping
+== ~= <= >= < > not and or ()
+\stoptyping
+
+In addition, \type {=} equals \type {==} and \type {!=} is the same as \type
+{~=}. If you mess up the expression, you quite likely get a \LUA\ error message.
+
+\stopsection
+
+\startsection[title={functions as filters}]
+
+At the \LUA\ end a whole \cmdinternal {cd:lpath} expression results in a (set of) node(s)
+with its environment, but that is hardly usable in \TEX. Think of code like:
+
+\starttyping
+for e in xml.collected(xml.load('text.xml'),"title") do
+  -- e = the element that matched
+end
+\stoptyping
+
+The older variant is still supported but you can best use the previous variant.
+
+\starttyping
+for r, d, k in xml.elements(xml.load('text.xml'),"title") do
+  -- r = root of the title element
+  -- d = data table
+  -- k = index in data table
+end
+\stoptyping
+
+Here \type {d[k]} points to the \type {title} element and in this case all titles
+in the tree pass by. In practice this kind of code is encapsulated in function
+calls, like those returning elements one by one, or returning the first or last
+match. The result is then fed back into \TEX, possibly after being altered by an
+associated setup. We've seen the wrappers to such functions already in a previous
+chapter.
+
+In addition to the previously discussed expressions, one can add so called
+filters to the expression, for instance:
+
+\starttyping
+a/(b|c)/!d/e/text()
+\stoptyping
+
+In a filter, the last part of the \cmdinternal {cd:lpath} expression is a
+function call. The previous example returns the text of each element \type {e}
+that results from matching the expression. When running \TEX\ the following
+functions are available. Some are also available when using pure \LUA. In \TEX\
+you can often use one of the macros like \type {\xmlfirst} instead of a \type
+{\xmlfilter} with finalizer \type {first()}. The filter can be somewhat faster
+but that is hardly noticeable.
+
+\starttabulate[|l|l|p|]
+\NC \type {context()}                \NC string  \NC the serialized text with \TEX\ catcode regime \NC \NR
+%NC \type {ctxtext()}                \NC string  \NC \NC \NR
+\NC \type {function()}               \NC string  \NC depends on the function \NC \NR
+%
+\NC \type {name()}                   \NC string  \NC the (remapped) namespace \NC \NR
+\NC \type {tag()}                    \NC string  \NC the name of the element \NC \NR
+\NC \type {tags()}                   \NC list    \NC the names of the element \NC \NR
+%
+\NC \type {text()}                   \NC string  \NC the serialized text \NC \NR
+\NC \type {upper()}                  \NC string  \NC the serialized text uppercased \NC \NR
+\NC \type {lower()}                  \NC string  \NC the serialized text lowercased \NC \NR
+\NC \type {stripped()}               \NC string  \NC the serialized text stripped \NC \NR
+\NC \type {lettered()}               \NC string  \NC the serialized text only letters (cf. \UNICODE) \NC \NR
+%
+\NC \type {count()}                  \NC number  \NC the number of matches \NC \NR
+\NC \type {index()}                  \NC number  \NC the matched index in the current path \NC \NR
+\NC \type {match()}                  \NC number  \NC the matched index in the preceding path \NC \NR
+%
+%NC \type {lowerall()}               \NC string  \NC \NC \NR
+%NC \type {upperall()}               \NC string  \NC \NC \NR
+%
+\NC \type {attribute(name)}          \NC content \NC returns the attribute with the given name \NC \NR
+\NC \type {chainattribute(name)}     \NC content \NC sidem, but backtracks till one is found \NC \NR
+\NC \type {command(name)}            \NC content \NC expands the setup with the given name for each found element \NC \NR
+\NC \type {position(n)}              \NC content \NC processes the \type {n}\high{th} instance of the found element \NC \NR
+\NC \type {all()}                    \NC content \NC processes all instances of the found element \NC \NR
+%NC \type {default}                  \NC content \NC all \NC \NR
+\NC \type {reverse()}                \NC content \NC idem in reverse order \NC \NR
+\NC \type {first()}                  \NC content \NC processes the first instance of the found element \NC \NR
+\NC \type {last()}                   \NC content \NC processes the last instance of the found element \NC \NR
+\NC \type {concat(...)}              \NC content \NC concatinates the match \NC \NC \NR
+\NC \type {concatrange(from,to,...)} \NC content \NC concatinates a range of matches \NC \NC \NR
+\stoptabulate
+
+The extra arguments of the concatinators are: \type {separator} (string), \type
+{lastseparator} (string) and \type {textonly} (a boolean).
+
+These filters are in fact \LUA\ functions which means that if needed more of them
+can be added. Indeed this happens in some of the \XML\ related \MKIV\ modules,
+for instance in the \MATHML\ processor.
+
+\stopsection
+
+\startsection[title={example}]
+
+The number of commands is rather large and if you want to avoid them this is
+often possible. Take for instance:
+
+\starttyping
+\xmlall{#1}{/a/b[position()>3]}
+\stoptyping
+
+Alternatively you can use:
+
+\starttyping
+\xmlfilter{#1}{/a/b[position()>3]/all()}
+\stoptyping
+
+and actually this is also faster as internally it avoids a function call. Of
+course in practice this is hardly measurable.
+
+In previous examples we've already seen quite some expressions, and it might be
+good to point out that the syntax is modelled after \XSLT\ but is not quite the
+same. The reason is that we started with a rather minimal system and have already
+styles in use that depend on compatibility.
+
+\starttyping
+namespace:// axis node(set) [expr 1]..[expr n] / ... / filter
+\stoptyping
+
+When we are inside a \CONTEXT\ run, the namespace is \type {tex}. Hoewever, if
+you want not to print back to \TEX\ you need to be more explicit. Say that we
+typeset examns and have a (not that logical) structure like:
+
+\starttyping
+<question>
+  <text>...</text>
+  <answer>
+    <item>one</item>
+    <item>two</item>
+    <item>three</item>
+  </answer>
+  <alternative>
+    <condition>true</condition>
+    <score>1</score>
+  </alternative>
+  <alternative>
+    <condition>false</condition>
+    <score>0</score>
+  </alternative>
+  <alternative>
+    <condition>true</condition>
+    <score>2</score>
+  </alternative>
+</question>
+\stoptyping
+
+Say that we typeset the questions with:
+
+\starttyping
+\startxmlsetups question
+  \blank
+  score: \xmlfunction{#1}{totalscore}
+  \blank
+  \xmlfirst{#1}{text}
+  \startitemize
+      \xmlfilter{#1}{/answer/item/command(answer:item)}
+  \stopitemize
+  \endgraf
+  \blank
+\stopxmlsetups
+\stoptyping
+
+Each item in the answer results in a call to:
+
+\starttyping
+\startxmlsetups answer:item
+  \startitem
+    \xmlflush{#1}
+    \endgraf
+    \xmlfilter{#1}{../../alternative[position()=rootposition()]/
+      condition/command(answer:condition)}
+  \stopitem
+\stopxmlsetups
+\stoptyping
+
+\starttyping
+\startxmlsetups answer:condition
+  \endgraf
+  condition: \xmlflush{#1}
+  \endgraf
+\stopxmlsetups
+\stoptyping
+
+Now, there are two rather special filters here. The first one involves
+calculating the total score. As we look forward we use a function to deal with
+this.
+
+\starttyping
+\startluacode
+function xml.functions.totalscore(root)
+  local score = 0
+  for e in xml.collected(root,"/alternative") do
+    score = score + xml.filter(e,"xml:///score/number()") or 0
+  end
+  tex.write(score)
+end
+\stopluacode
+\stoptyping
+
+Watch how we use the namespace to keep the results at the \LUA\ end.
+
+The second special trick shown here is to limit a match using the current
+position of the root (\type {#}) match.
+
+As you can see, a path expression can be more than just filtering a few nodes. At
+the end of this manual you will find a bunch of examples.
+
+\stopsection
+
+\startsection[title={tables}]
+
+If you want to know how the internal \XML\ tables look you can print such a
+table:
+
+\starttyping
+print(table.serialize(e))
+\stoptyping
+
+This produces for instance:
+
+% s = xml.convert("<document><demo label='whatever'>some text</demo></document>")
+% print(table.serialize(xml.filter(s,"demo")[1]))
+
+\starttyping
+t={
+ ["at"]={
+  ["label"]="whatever",
+ },
+ ["dt"]={ "some text" },
+ ["ns"]="",
+ ["rn"]="",
+ ["tg"]="demo",
+}
+\stoptyping
+
+The \type {rn} entry is the renamed namespace (when renaming is applied). If you
+see tags like \type {@pi@} this means that we don't have an element, but (in this
+case) a processing instruction.
+
+\starttabulate[|l|p|]
+\NC \type {@rt@} \NC the root element \NC \NR
+\NC \type {@dd@} \NC document definition \NC \NR
+\NC \type {@cm@} \NC comment, like \type {<!-- whatever -->} \NC \NR
+\NC \type {@cd@} \NC so called \type {CDATA} \NC \NR
+\NC \type {@pi@} \NC processing instruction, like \type {<?whatever we want ?>} \NC \NR
+\stoptabulate
+
+There are many ways to deal with the content, but in the perspective of \TEX\
+only a few matter.
+
+\starttabulate[|l|p|]
+\NC \type {xml.sprint(e)} \NC print the content to \TEX\ and apply setups if needed \NC \NR
+\NC \type {xml.tprint(e)} \NC print the content to \TEX\ (serialize elements verbose) \NC \NR
+\NC \type {xml.cprint(e)} \NC print the content to \TEX\ (used for special content) \NC \NR
+\stoptabulate
+
+Keep in mind that anything low level that you uncover is not part of the official
+interface unless mentioned in this manual.
+
+\stopsection
+
+\stopchapter
+
+\startchapter[title={Tips and tricks}]
+
+\startsection[title={tracing}]
+
+It can be hard to debug code as much happens kind of behind the screens.
+Therefore we have a couple of tracing options. Of course you can typeset some
+status information, using for instance:
+
+\startxmlcmd {\cmdbasicsetup{xmlshow}}
+    typeset the tree given by \cmdinternal {cd:node}
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlinfo}}
+    typeset the name if the element given by \cmdinternal {cd:node}
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlpath}}
+    returns the complete path (including namespace prefix and index) of the
+    given \cmdinternal {cd:node}
+\stopxmlcmd
+
+\startbuffer[demo]
+<?xml version "1.0"?>
+<document>
+    <section>
+        <content>
+            <p>first</p>
+            <p><b>second</b></p>
+        </content>
+    </section>
+    <section>
+        <content>
+            <p><b>third</b></p>
+            <p>fourth</p>
+        </content>
+    </section>
+</document>
+\stopbuffer
+
+Say that we have the following \XML:
+
+\typebuffer[demo]
+
+and the next definitions:
+
+\startbuffer
+\startxmlsetups xml:demo:base
+    \xmlsetsetup{#1}{p|b}{xml:demo:*}
+\stopxmlsetups
+
+\startxmlsetups xml:demo:p
+    \xmlflush{#1}
+    \par
+\stopxmlsetups
+
+\startxmlsetups xml:demo:b
+    \par
+    \xmlpath{#1} : \xmlflush{#1}
+    \par
+\stopxmlsetups
+
+\xmlregisterdocumentsetup{example-10}{xml:demo:base}
+
+\xmlprocessbuffer{example-10}{demo}{}
+\stopbuffer
+
+\typebuffer
+
+This will give us:
+
+\blank \startpacked \getbuffer \stoppacked \blank
+
+If you use \type {\xmlshow} you will get a complete subtree which can
+be handy for tracing but can also lead to large documents.
+
+We also have a bunch of trackers that can be enabled, like:
+
+\starttyping
+\enabletrackers[xml.show,xml.parse]
+\stoptyping
+
+The full list (currently) is:
+
+\starttabulate[|lT|p|]
+\NC xml.entities  \NC show what entities are seen and replaced \NC \NR
+\NC xml.path      \NC show the result of parsing an lpath expression \NC \NR
+\NC xml.parse     \NC show stepwise resolving of expressions \NC \NR
+\NC xml.profile   \NC report all parsed lpath expressions (in the log) \NC \NR
+\NC xml.remap     \NC show what namespaces are remapped \NC \NR
+\NC lxml.access   \NC report errors with respect to resolving (symbolic) nodes \NC \NR
+\NC lxml.comments \NC show the comments that are encountered (if at all) \NC \NR
+\NC lxml.loading  \NC show what files are loaded and converted \NC \NR
+\NC lxml.setups   \NC show what setups are being associated to elements \NC \NR
+\stoptabulate
+
+In one of our workflows we produce books from \XML\ where the (educational)
+content is organized in many small files. Each book has about 5~chapters and each
+chapter is made of sections that contain text, exercises, resources, etc.\ and so
+the document is assembled from thousands of files (don't worry, runtime inclusion
+is pretty fast). In order to see where in the sources content resides we can
+trace the filename.
+
+\startxmlcmd {\cmdbasicsetup{xmlinclusion}}
+    returns the file where the node comes from
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlinclusions}}
+    returns the list of files where the node comes from
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlbadinclusions}}
+    returns a list of files that were not included due to some problem
+\stopxmlcmd
+
+Of course you have to make sure that these names end up somewhere visible, for
+instance in the margin.
+
+\stopsection
+
+\startsection[title={expansion}]
+
+For novice users the concept of expansion might sound frightening and to some
+extend it is. However, it is important enough to spend some words on it here.
+
+It is good to realize that most setups are sort of immediate. When one setup is
+issued, it can call another one and so on. Normally you won't notice that but
+there are cases where that can be a problem. In \TEX\ you can define a macro,
+take for instance:
+
+\starttyping
+\startxmlsetups xml:foo
+  \def\foobar{\xmlfirst{#1}{/bar}}
+\stopxmlsetups
+\stoptyping
+
+you store the reference top node \type {bar} in \type {\foobar} maybe for later use. In
+this case the content is not yet fetched, it will be done when \type {\foobar} is
+called.
+
+\starttyping
+\startxmlsetups xml:foo
+  \edef\foobar{\xmlfirst{#1}{/bar}}
+\stopxmlsetups
+\stoptyping
+
+Here the content of \type {bar} becomes the body of the macro. But what if
+\type {bar} itself contains elements that also contain elements. When there
+is a setup for \type {bar} it will be triggered and so on.
+
+When that setup looks like:
+
+\starttyping
+\startxmlsetups xml:bar
+  \def\barfoo{\xmlflush{#1}}
+\stopxmlsetups
+\stoptyping
+
+Here we get something like:
+
+\starttyping
+\foobar => {\def\barfoo{...}}
+\stoptyping
+
+When \type {\barfoo} is not defined we get an error and when it is known and expands
+to something weird we might also get an error.
+
+Especially when you don't know what content can show up, this can result in errors
+when an expansion fails, for example because some macro being used is not defined.
+To prevent this we can define a macro:
+
+\starttyping
+\starttexdefinition unexpanded xml:bar:macro #1
+  \def\barfoo{\xmlflush{#1}}
+\stoptexdefinition
+
+\startxmlsetups xml:bar
+  \texdefinition{xml:bar:macro}{#1}
+\stopxmlsetups
+\stoptyping
+
+The setup \type {xml:bar} will still expand but the replacement text now is just the
+call to the macro, think of:
+
+\starttyping
+\foobar => {\texdefinition{xml:bar:macro}{#1}}
+\stoptyping
+
+But this is often not needed, most \CONTEXT\ commands can handle the expansions
+quite well but it's good to know that there is a way out. So, now to some
+examples. Imagine that we have an \XML\ file that looks as follows:
+
+\starttyping
+<?xml version='1.0' ?>
+<demo>
+    <chapter>
+        <title>Some <em>short</em> title</title>
+        <content>
+            zeta
+            <index>
+                <key>zeta</key>
+                <content>zeta again</content>
+            </index>
+            alpha
+            <index>
+                <key>alpha</key>
+                <content>alpha <em>again</em></content>
+            </index>
+            gamma
+            <index>
+                <key>gamma</key>
+                <content>gamma</content>
+            </index>
+            beta
+            <index>
+                <key>beta</key>
+                <content>beta</content>
+            </index>
+            delta
+            <index>
+                <key>delta</key>
+                <content>delta</content>
+            </index>
+            done!
+        </content>
+    </chapter>
+</demo>
+\stoptyping
+
+There are a few structure related elements here: a chapter (with its list entry)
+and some index entries. Both are multipass related and therefore travel around.
+This means that when we let data end up in the auxiliary file, we need to make
+sure that we end up with either expanded data (i.e.\ no references to the \XML\
+tree) or with robust forward and backward references to elements in the tree.
+
+Here we discuss three approaches (and more may show up later): pushing \XML\ into
+the auxiliary file and using references to elements either or not with an
+associated setup. We control the variants with a switch.
+
+\starttyping
+\newcount\TestMode
+
+\TestMode=0 % expansion=xml
+\TestMode=1 % expansion=yes, index, setup
+\TestMode=2 % expansion=yes
+\stoptyping
+
+We apply a couple of setups:
+
+\starttyping
+\startxmlsetups xml:mysetups
+    \xmlsetsetup{\xmldocument}{demo|index|content|chapter|title|em}{xml:*}
+\stopxmlsetups
+
+\xmlregistersetup{xml:mysetups}
+\stoptyping
+
+The main document is processed with:
+
+\starttyping
+\startxmlsetups xml:demo
+    \xmlflush{#1}
+    \subject{contents}
+    \placelist[chapter][criterium=all]
+    \subject{index}
+    \placeregister[index][criterium=all]
+    \page % else buffer is forgotten when placing header
+\stopxmlsetups
+\stoptyping
+
+First we show three alternative ways to deal with the chapter. The first case
+expands the \XML\ reference so that we have an \XML\ stream in the auxiliary
+file. This stream is processed as a small independent subfile when needed. The
+second case registers a reference to the current element (\type {#1}). This means
+that we have access to all data of this element, like attributes, title and
+content. What happens depends on the given setup. The third variant does the same
+but here the setup is part of the reference.
+
+\starttyping
+\startxmlsetups xml:chapter
+    \ifcase \TestMode
+        % xml code travels around
+        \setuphead[chapter][expansion=xml]
+        \startchapter[title=eh: \xmltext{#1}{title}]
+            \xmlfirst{#1}{content}
+        \stopchapter
+    \or
+        % index is used for access via setup
+        \setuphead[chapter][expansion=yes,xmlsetup=xml:title:flush]
+        \startchapter[title=\xmlgetindex{#1}]
+            \xmlfirst{#1}{content}
+        \stopchapter
+    \or
+        % tex call to xml using index is used
+        \setuphead[chapter][expansion=yes]
+        \startchapter[title=hm: \xmlreference{#1}{xml:title:flush}]
+            \xmlfirst{#1}{content}
+        \stopchapter
+    \fi
+\stopxmlsetups
+
+\startxmlsetups xml:title:flush
+    \xmltext{#1}{title}
+\stopxmlsetups
+\stoptyping
+
+We need to deal with emphasis and the content of the chapter.
+
+\starttyping
+\startxmlsetups xml:em
+    \begingroup\em\xmlflush{#1}\endgroup
+\stopxmlsetups
+
+\startxmlsetups xml:content
+    \xmlflush{#1}
+\stopxmlsetups
+\stoptyping
+
+A similar approach is followed with the index entries. Watch how we use the
+numbered entries variant (in this case we could also have used just \type
+{entries} and \type {keys}).
+
+\starttyping
+\startxmlsetups xml:index
+    \ifcase \TestMode
+        \setupregister[index][expansion=xml,xmlsetup=]
+        \setstructurepageregister
+          [index]
+          [entries:1=\xmlfirst{#1}{content},
+           keys:1=\xmltext{#1}{key}]
+    \or
+        \setupregister[index][expansion=yes,xmlsetup=xml:index:flush]
+        \setstructurepageregister
+          [index]
+          [entries:1=\xmlgetindex{#1},
+           keys:1=\xmltext{#1}{key}]
+    \or
+        \setupregister[index][expansion=yes,xmlsetup=]
+        \setstructurepageregister
+          [index]
+          [entries:1=\xmlreference{#1}{xml:index:flush},
+           keys:1=\xmltext{#1}{key}]
+    \fi
+\stopxmlsetups
+
+\startxmlsetups xml:index:flush
+    \xmlfirst{#1}{content}
+\stopxmlsetups
+\stoptyping
+
+Instead of this flush, you can use the predefined setup \type {xml:flush}
+unless it is overloaded by you.
+
+The file is processed by:
+
+\starttyping
+\starttext
+    \xmlprocessfile{main}{test.xml}{}
+\stoptext
+\stoptyping
+
+We don't show the result here. If you're curious what the output is, you can test
+it yourself. In that case it also makes sense to peek into the \type {test.tuc}
+file to see how the information travels around. The \type {metadata} fields carry
+information about how to process the data.
+
+The first case, the \XML\ expansion one, is somewhat special in the sense that
+internally we use small pseudo files. You can control the rendering by tweaking
+the following setups:
+
+\starttyping
+\startxmlsetups xml:ctx:sectionentry
+    \xmlflush{#1}
+\stopxmlsetups
+
+\startxmlsetups xml:ctx:registerentry
+    \xmlflush{#1}
+\stopxmlsetups
+\stoptyping
+
+{\em When these methods work out okay the other structural elements will be
+dealt with in a similar way.}
+
+\stopsection
+
+\startsection[title={special cases}]
+
+Normally the content will be flushed under a special (so called) catcode regime.
+This means that characters that have a special meaning in \TEX\ will have no such
+meaning in an \XML\ file. If you want content to be treated as \TEX\ code, you can
+use one of the following:
+
+\startxmlcmd {\cmdbasicsetup{xmlflushcontext}}
+    flush the given \cmdinternal {cd:node} using the \TEX\ character
+    interpretation scheme
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlcontext}}
+    flush the match of \cmdinternal {cd:lpath} for the given \cmdinternal
+    {cd:node} using the \TEX\ character interpretation scheme
+\stopxmlcmd
+
+We use this in cases like:
+
+\starttyping
+....
+  \xmlsetsetup {#1} {
+      tm|texformula|
+  } {xml:*}
+....
+
+\startxmlsetups xml:tm
+  \mathematics{\xmlflushcontext{#1}}
+\stopxmlsetups
+
+\startxmlsetups xml:texformula
+  \placeformula\startformula\xmlflushcontext{#1}\stopformula
+\stopxmlsetups
+\stoptyping
+
+\stopsection
+
+\startsection[title={collecting}]
+
+Say that your document has
+
+\starttyping
+<table>
+    <tr>
+        <td>foo</td>
+        <td>bar<td>
+    </tr>
+</table>
+\stoptyping
+
+And that you need to convert that to \TEX\ speak like:
+
+\starttyping
+\bTABLE
+    \bTR
+        \bTD foo \eTD
+        \bTD bar \eTD
+    \eTR
+\eTABLE
+\stoptyping
+
+A simple mapping is:
+
+\starttyping
+\startxmlsetups xml:table
+    \bTABLE \xmlflush{#1} \eTABLE
+\stopxmlsetups
+\startxmlsetups xml:tr
+    \bTR \xmlflush{#1} \eTR
+\stopxmlsetups
+\startxmlsetups xml:td
+    \bTD \xmlflush{#1} \eTD
+\stopxmlsetups
+\stoptyping
+
+The \type {\bTD} command is a so called delimited command which means that it
+picks up its argument by looking for an \type {\eTD}. For the simple case here
+this works quite well because the flush is inside the pair. This is not the case
+in the following variant:
+
+\starttyping
+\startxmlsetups xml:td:start
+    \bTD
+\stopxmlsetups
+\startxmlsetups xml:td:stop
+    \eTD
+\stopxmlsetups
+\startxmlsetups xml:td
+    \xmlsetup{#1}{xml:td:start}
+    \xmlflush{#1}
+    \xmlsetup{#1}{xml:td:stop}
+\stopxmlsetups
+\stoptyping
+
+When for some reason \TEX\ gets confused you can revert to a mechanism that
+collects content.
+
+\starttyping
+\startxmlsetups xml:td:start
+    \startcollect
+        \bTD
+    \stopcollect
+\stopxmlsetups
+\startxmlsetups xml:td:stop
+    \startcollect
+        \eTD
+    \stopcollect
+\stopxmlsetups
+\startxmlsetups xml:td
+    \startcollecting
+        \xmlsetup{#1}{xml:td:start}
+        \xmlflush{#1}
+        \xmlsetup{#1}{xml:td:stop}
+    \stopcollecting
+\stopxmlsetups
+\stoptyping
+
+You can even implement solutions that effectively do this:
+
+\starttyping
+\startcollecting
+    \startcollect \bTABLE \stopcollect
+        \startcollect \bTR \stopcollect
+            \startcollect \bTD \stopcollect
+            \startcollect   foo\stopcollect
+            \startcollect \eTD \stopcollect
+            \startcollect \bTD \stopcollect
+            \startcollect   bar\stopcollect
+            \startcollect \eTD \stopcollect
+        \startcollect \eTR \stopcollect
+    \startcollect \eTABLE \stopcollect
+\stopcollecting
+\stoptyping
+
+Of course you only need to go that complex when the situation demands it. Here is
+another weird one:
+
+\starttyping
+\startcollecting
+    \startcollect \setupsomething[\stopcollect
+        \startcollect foo=\stopcollect
+        \startcollect FOO,\stopcollect
+        \startcollect bar=\stopcollect
+        \startcollect BAR,\stopcollect
+    \startcollect ]\stopcollect
+\stopcollecting
+\stoptyping
+
+\stopsection
+
+\startsection[title={selectors and injectors}]
+
+This section describes a bit special feature, one that we needed for a project
+where we could not touch the original content but could add specific sections for
+our own purpose. Hopefully the example demonstrates its useability.
+
+\enabletrackers[lxml.selectors]
+
+\startbuffer[foo]
+<?xml version="1.0" encoding="UTF-8"?>
+
+<?context-directive message info 1: this is a demo file ?>
+<?context-message-directive info 2: this is a demo file ?>
+
+<one>
+    <two>
+        <?context-select begin t1 t2 t3 ?>
+            <three>
+                t1 t2 t3
+                <?context-directive injector crlf t1 ?>
+                t1 t2 t3
+            </three>
+        <?context-select end ?>
+        <?context-select begin t4 ?>
+            <four>
+                t4
+            </four>
+        <?context-select end ?>
+        <?context-select begin t8 ?>
+            <four>
+                t8.0
+                t8.0
+            </four>
+        <?context-select end ?>
+        <?context-include begin t4 ?>
+            <!--
+                <three>
+                    t4.t3
+                    <?context-directive injector crlf t1 ?>
+                    t4.t3
+                </three>
+            -->
+            <three>
+                t3
+                <?context-directive injector crlf t1 ?>
+                t3
+            </three>
+        <?context-include end ?>
+        <?context-select begin t8 ?>
+            <four>
+                t8.1
+                t8.1
+            </four>
+        <?context-select end ?>
+        <?context-select begin t8 ?>
+            <four>
+                t8.2
+                t8.2
+            </four>
+        <?context-select end ?>
+        <?context-select begin t4 ?>
+            <four>
+                t4
+                t4
+            </four>
+        <?context-select end ?>
+        <?context-directive injector page t7 t8 ?>
+        foo
+        <?context-directive injector blank t1 ?>
+        bar
+        <?context-directive injector page t7 t8 ?>
+        bar
+    </two>
+</one>
+\stopbuffer
+
+\typebuffer[foo]
+
+First we show how to plug in a directive. Processing instructions like the
+following are normally ignored by an \XML\ processor, unless they make sense
+to it.
+
+\starttyping
+<?context-directive message info 1: this is a demo file ?>
+<?context-message-directive info 2: this is a demo file ?>
+\stoptyping
+
+We can define a message handler as follows:
+
+\startbuffer
+\def\MyMessage#1#2#3{\writestatus{#1}{#2 #3}}
+
+\xmlinstalldirective{message}{MyMessage}
+\stopbuffer
+
+\typebuffer \getbuffer
+
+When this file is processed you will see this on the console:
+
+\starttyping
+info > 1: this is a demo file
+info > 2: this is a demo file
+\stoptyping
+
+The file has some sections that can be used or ignored. The recipe for
+obeying \type {t1} and \type {t4} is the following:
+
+\startbuffer
+\xmlsetinjectors[t1]
+\xmlsetinjectors[t4]
+
+\startxmlsetups xml:initialize
+    \xmlapplyselectors{#1}
+    \xmlsetsetup {#1} {
+        one|two|three|four
+    } {xml:*}
+\stopxmlsetups
+
+\xmlregistersetup{xml:initialize}
+
+\startxmlsetups xml:one
+    [ONE \xmlflush{#1} ONE]
+\stopxmlsetups
+
+\startxmlsetups xml:two
+    [TWO \xmlflush{#1} TWO]
+\stopxmlsetups
+
+\startxmlsetups xml:three
+    [THREE \xmlflush{#1} THREE]
+\stopxmlsetups
+
+\startxmlsetups xml:four
+    [FOUR \xmlflush{#1} FOUR]
+\stopxmlsetups
+\stopbuffer
+
+\typebuffer \getbuffer
+
+This typesets:
+
+\startnarrower
+\xmlprocessbuffer{main}{foo}{}
+\stopnarrower
+
+The include coding is kind of special: it permits adding content (in a comment)
+and ignoring the rest so that we indeed can add something without interfering
+with the original. Of course in a normal workflow such messy solutions are
+not needed, but alas, often workflows are not that clean, especially when one
+has no real control over the source.
+
+\startxmlcmd {\cmdbasicsetup{xmlsetinjectors}}
+    enables a list of injectors that will be used
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlresetinjectors}}
+    resets the list of injectors
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlinjector}}
+    expands an injection (command); normally this one is only used
+    (in some setup) or for testing
+\stopxmlcmd
+
+\startxmlcmd {\cmdbasicsetup{xmlapplyselectors}}
+    analyze the tree \cmdinternal {cd:node} for marked sections that
+    will be injected
+\stopxmlcmd
+
+We have some injections predefined:
+
+\starttyping
+\startsetups xml:directive:injector:page
+    \page
+\stopsetups
+
+\startsetups xml:directive:injector:column
+    \column
+\stopsetups
+
+\startsetups xml:directive:injector:blank
+    \blank
+\stopsetups
+\stoptyping
+
+In the example we see:
+
+\starttyping
+<?context-directive injector page t7 t8 ?>
+\stoptyping
+
+When we set \type {\xmlsetinjector[t7]} a pagebreak will injected in that spot.
+Tags like \type {t7}, \type {t8} etc.\ can represent versions.
+
+\stopsection
+
+\stopchapter
+
+\startchapter[title={Lookups using lpaths}]
+
+\startsection[title={introduction}]
+
+There is not that much system in the following examples. They resulted from tests
+with different documents. The current implementation evolved out of the
+experimental code. For instance, I decided to add the multiple expressions in row
+handling after a few email exchanges with Jean|-|Michel Huffen.
+
+One of the main differences between the way \XSLT\ resolves a path and our way is
+the anchor. Take:
+
+\starttyping
+/something
+something
+\stoptyping
+
+The first one anchors in the current (!) element so it will only consider direct
+children. The second one does a deep lookup and looks at the descendants as well.
+Furthermore we have a few extra shortcuts like \type {**} in \type {a/**/b} which
+represents all descendants.
+
+The expressions (between square brackets) has to be valid \LUA\ and some
+preprocessing is done to resolve the built in functions. So, you might use code
+like:
+
+\starttyping
+my_lpeg_expression:match(text()) == "whatever"
+\stoptyping
+
+given that \type {my_lpeg_expression} is known. In the examples below we use the
+visualizer to show the steps. Some are shown more than once as part of a set.
+
+\stopsection
+
+\startsection[title={special cases}]
+
+\xmllshow{}
+\xmllshow{*}
+\xmllshow{.}
+\xmllshow{/}
+
+\stopsection
+
+\startsection[title={wildcards}]
+
+\xmllshow{*}
+\xmllshow{*:*}
+\xmllshow{/*}
+\xmllshow{/*:*}
+\xmllshow{*/*}
+\xmllshow{*:*/*:*}
+
+\xmllshow{a/*}
+\xmllshow{a/*:*}
+\xmllshow{/a/*}
+\xmllshow{/a/*:*}
+
+\xmllshow{/*}
+\xmllshow{/**}
+\xmllshow{/***}
+
+\stopsection
+
+\startsection[title={multiple steps}]
+
+\xmllshow{answer}
+\xmllshow{answer/test/*}
+\xmllshow{answer/test/child::}
+\xmllshow{answer/*}
+\xmllshow{answer/*[tag()='p' and position()=1 and text()!='']}
+
+\stopsection
+
+\startsection[title={pitfals}]
+
+\xmllshow{[oneof(lower(@encoding),'tex','context','ctx')]}
+\xmllshow{.[oneof(lower(@encoding),'tex','context','ctx')]}
+
+\stopsection
+
+\startsection[title={more special cases}]
+
+\xmllshow{**}
+\xmllshow{*}
+\xmllshow{..}
+\xmllshow{.}
+\xmllshow{//}
+\xmllshow{/}
+
+\xmllshow{**/}
+\xmllshow{**/*}
+\xmllshow{**/.}
+\xmllshow{**//}
+
+\xmllshow{*/}
+\xmllshow{*/*}
+\xmllshow{*/.}
+\xmllshow{*//}
+
+\xmllshow{/**/}
+\xmllshow{/**/*}
+\xmllshow{/**/.}
+\xmllshow{/**//}
+
+\xmllshow{/*/}
+\xmllshow{/*/*}
+\xmllshow{/*/.}
+\xmllshow{/*//}
+
+\xmllshow{./}
+\xmllshow{./*}
+\xmllshow{./.}
+\xmllshow{.//}
+
+\xmllshow{../}
+\xmllshow{../*}
+\xmllshow{../.}
+\xmllshow{..//}
+
+\stopsection
+
+\startsection[title={more wildcards}]
+
+\xmllshow{one//two}
+\xmllshow{one/*/two}
+\xmllshow{one/**/two}
+\xmllshow{one/***/two}
+\xmllshow{one/x//two}
+\xmllshow{one//x/two}
+\xmllshow{//x/two}
+
+\stopsection
+
+\startsection[title={special axis}]
+
+\xmllshow{descendant::whocares/ancestor::whoknows}
+\xmllshow{descendant::whocares/ancestor::whoknows/parent::}
+\xmllshow{descendant::whocares/ancestor::}
+\xmllshow{child::something/child::whatever/child::whocares}
+\xmllshow{child::something/child::whatever/child::whocares|whoknows}
+\xmllshow{child::something/child::whatever/child::(whocares|whoknows)}
+\xmllshow{child::something/child::whatever/child::!(whocares|whoknows)}
+\xmllshow{child::something/child::whatever/child::(whocares)}
+\xmllshow{child::something/child::whatever/child::(whocares)[position()>2]}
+\xmllshow{child::something/child::whatever[position()>2][position()=1]}
+\xmllshow{child::something/child::whatever[whocares][whocaresnot]}
+\xmllshow{child::something/child::whatever[whocares][not(whocaresnot)]}
+\xmllshow{child::something/child::whatever/self::whatever}
+
+There is also \type {last-match::} that starts with the last found set of nodes.
+This can save some runtime when you do lots of tests combined with a same check
+afterwards.
+
+\stopsection
+
+\startsection[title={some more examples}]
+
+\xmllshow{/something/whatever}
+\xmllshow{something/whatever}
+\xmllshow{/**/whocares}
+\xmllshow{whoknows/whocares}
+\xmllshow{whoknows}
+\xmllshow{whocares[contains(text(),'f') or contains(text(),'g')]}
+\xmllshow{whocares/first()}
+\xmllshow{whocares/last()}
+\xmllshow{whatever/all()}
+\xmllshow{whocares/position(2)}
+\xmllshow{whocares/position(-2)}
+\xmllshow{whocares[1]}
+\xmllshow{whocares[-1]}
+\xmllshow{whocares[2]}
+\xmllshow{whocares[-2]}
+\xmllshow{whatever[3]/attribute(id)}
+\xmllshow{whatever[2]/attribute('id')}
+\xmllshow{whatever[3]/text()}
+\xmllshow{/whocares/first()}
+\xmllshow{/whocares/last()}
+
+\xmllshow{xml://whatever/all()}
+\xmllshow{whatever/all()}
+\xmllshow{//whocares}
+\xmllshow{..[2]}
+\xmllshow{../*[2]}
+
+\xmllshow{/(whocares|whocaresnot)}
+\xmllshow{/!(whocares|whocaresnot)}
+\xmllshow{/!whocares}
+
+\xmllshow{/interface/command/command(xml:setups:register)}
+\xmllshow{/interface/command[@name='xxx']/command(xml:setups:typeset)}
+\xmllshow{/arguments/*}
+\xmllshow{/sequence/first()}
+\xmllshow{/arguments/text()}
+\xmllshow{/sequence/variable/first()}
+\xmllshow{/interface/define[@name='xxx']/first()}
+\xmllshow{/parameter/command(xml:setups:parameter:measure)}
+
+\xmllshow{/(*:library|figurelibrary)/*:figure/*:label}
+\xmllshow{/(*:library|figurelibrary)/figure/*:label}
+\xmllshow{/(*:library|figurelibrary)/figure/label}
+\xmllshow{/(*:library|figurelibrary)/figure:*/label}
+
+\xmlshow {whatever//br[tag(1)='br']}
+
+\stopsection
+
+\stopchapter
+
+\startchapter[title=Examples]
+
+\startsection[title=attribute chains]
+
+In \CSS, when an attribute is not present, the parent element is checked, and when
+not found again, the lookup follows the chain till a match is found or the root is
+reached. The following example demonstrates how such a chain lookup works.
+
+\startbuffer[test]
+<something mine="1" test="one" more="alpha">
+  <whatever mine="2" test="two">
+    <whocares mine="3">
+      <!-- this is a test -->
+    </whocares>
+  </whatever>
+</something>
+\stopbuffer
+
+\typebuffer[test]
+
+We apply the following setups to this tree:
+
+\startbuffer[setups]
+\startxmlsetups xml:common
+    [
+        \xmlchainatt{#1}{mine},
+        \xmlchainatt{#1}{test},
+        \xmlchainatt{#1}{more},
+        \xmlchainatt{#1}{none}
+    ]\par
+\stopxmlsetups
+
+\startxmlsetups xml:something
+    something: \xmlsetup{#1}{xml:common}
+    \xmlflush{#1}
+\stopxmlsetups
+
+\startxmlsetups xml:whatever
+    whatever: \xmlsetup{#1}{xml:common}
+    \xmlflush{#1}
+\stopxmlsetups
+
+\startxmlsetups xml:whocares
+    whocares: \xmlsetup{#1}{xml:common}
+    \xmlflush{#1}
+\stopxmlsetups
+
+\startxmlsetups xml:mysetups
+    \xmlsetsetup{#1}{something|whatever|whocares}{xml:*}
+\stopxmlsetups
+
+\xmlregisterdocumentsetup{example-1}{xml:mysetups}
+
+\xmlprocessbuffer{example-1}{test}{}
+\stopbuffer
+
+\typebuffer[setups]
+
+This gives:
+
+\start
+    \getbuffer[setups]
+\stop
+
+\stopsection
+
+\startsection[title=conditional setups]
+
+Say that we have this code:
+
+\starttyping
+\xmldoifelse {#1} {/what[@a='1']} {
+    \xmlfilter {#1} {/what/command('xml:yes')}
+} {
+    \xmlfilter {#1} {/what/command('xml:nop')}
+}
+\stoptyping
+
+Here we first determine if there is a child \type {what} with attribute \type {a}
+set to \type {1}. Depending on the outcome again we check the child nodes for
+being named \type {what}. A faster solution which also takes less code is this:
+
+\starttyping
+\xmlfilter {#1} {/what[@a='1']/command('xml:yes','xml:nop')}
+\stoptyping
+
+\stopsection
+
+\startsection[title=manipulating]
+
+Assume that we have the following \XML\ data:
+
+\startbuffer[test]
+<A>
+  <B>right</B>
+  <B>wrong</B>
+</A>
+\stopbuffer
+
+\typebuffer[test]
+
+But, instead of \type {right} we want to see \type {okay}. We can do that with a
+finalizer:
+
+\startbuffer
+\startluacode
+local rehash = {
+    ["right"] = "okay",
+}
+
+function xml.finalizers.tex.Okayed(collected,what)
+    for i=1,#collected do
+        if what == "all" then
+            local str = xml.text(collected[i])
+            context(rehash[str] or str)
+        else
+            context(str)
+        end
+    end
+end
+\stopluacode
+\stopbuffer
+
+\typebuffer \getbuffer
+
+\startbuffer
+\startxmlsetups xml:A
+	\xmlflush{#1}
+\stopxmlsetups
+
+\startxmlsetups xml:B
+    (It's \xmlfilter{#1}{./Okayed("all")})
+\stopxmlsetups
+
+\startxmlsetups xml:testsetups
+	\xmlsetsetup{#1}{A|B}{xml:*}
+\stopxmlsetups
+
+\xmlregisterdocumentsetup{example-2}{xml:testsetups}
+\xmlprocessbuffer{example-2}{test}{}
+\stopbuffer
+
+\typebuffer
+
+The result is: \start \inlinebuffer \stop
+
+\stopsection
+
+\startsection[title=cross referencing]
+
+A rather common way to add cross references to \XML\ files is to borrow the
+asymmetrical id's from \HTML. This means that one cannot simply use a value
+of (say) \type {href} to locate an \type {id}. The next example came up on
+the \CONTEXT\ mailing list.
+
+\startbuffer[test]
+<doc>
+    <p>Text
+        <a href="#fn1" class="footnoteref" id="fnref1"><sup>1</sup></a> and
+        <a href="#fn2" class="footnoteref" id="fnref2"><sup>2</sup></a>
+    </p>
+    <div class="footnotes">
+        <hr />
+        <ol>
+            <li id="fn1"><p>A footnote.<a href="#fnref1">↩</a></p></li>
+            <li id="fn2"><p>A second footnote.<a href="#fnref2">↩</a></p></li>
+        </ol>
+    </div>
+</doc>
+\stopbuffer
+
+\typebuffer[test]
+
+We give two variants for dealing with such references. The first solution does
+lookups and depending on the size of the file can be somewhat inefficient.
+
+\startbuffer
+\startxmlsetups xml:doc
+    \blank
+    \xmlflush{#1}
+    \blank
+\stopxmlsetups
+
+\startxmlsetups xml:p
+    \xmlflush{#1}
+\stopxmlsetups
+
+\startxmlsetups xml:footnote
+    (variant 1)\footnote
+        {\xmlfirst
+            {example-3-1}
+            {div[@class='footnotes']/ol/li[@id='\xmlrefatt{#1}{href}']}}
+\stopxmlsetups
+
+\startxmlsetups xml:initialize
+    \xmlsetsetup{#1}{p|doc}{xml:*}
+    \xmlsetsetup{#1}{a[@class='footnoteref']}{xml:footnote}
+    \xmlsetsetup{#1}{div[@class='footnotes']}{xml:nothing}
+\stopxmlsetups
+
+\xmlresetdocumentsetups{*}
+\xmlregisterdocumentsetup{example-3-1}{xml:initialize}
+
+\xmlprocessbuffer{example-3-1}{test}{}
+\stopbuffer
+
+\typebuffer
+
+This will typeset two footnotes.
+
+\getbuffer
+
+The second variant collects the references so that the time spend on lookups is
+less.
+
+\startbuffer
+\startxmlsetups xml:doc
+    \blank
+    \xmlflush{#1}
+    \blank
+\stopxmlsetups
+
+\startxmlsetups xml:p
+    \xmlflush{#1}
+\stopxmlsetups
+
+\startluacode
+    userdata.notes =  {}
+\stopluacode
+
+\startxmlsetups xml:collectnotes
+    \ctxlua{userdata.notes['\xmlrefatt{#1}{id}'] = '#1'}
+\stopxmlsetups
+
+\startxmlsetups xml:footnote
+    (variant 2)\footnote
+        {\xmlflush
+            {\cldcontext{userdata.notes['\xmlrefatt{#1}{href}']}}}
+\stopxmlsetups
+
+\startxmlsetups xml:initialize
+    \xmlsetsetup{#1}{p|doc}{xml:*}
+    \xmlsetsetup{#1}{a[@class='footnoteref']}{xml:footnote}
+    \xmlfilter{#1}{div[@class='footnotes']/ol/li/command(xml:collectnotes)}
+    \xmlsetsetup{#1}{div[@class='footnotes']}{}
+\stopxmlsetups
+
+\xmlregisterdocumentsetup{example-3-2}{xml:initialize}
+
+\xmlprocessbuffer{example-3-2}{test}{}
+\stopbuffer
+
+\typebuffer
+
+This will again typeset two footnotes:
+
+\getbuffer
+
+\stopsection
+
+\startsection[title=mapping values]
+
+One way to process options \type {frame} in the example below is to map the
+values to values known by \CONTEXT.
+
+\startbuffer[test]
+<a>
+  <nattable frame="on">
+    <tr><td>#1</td><td>#2</td><td>#3</td><td>#4</td></tr>
+    <tr><td>#5</td><td>#6</td><td>#7</td><td>#8</td></tr>
+  </nattable>
+  <nattable frame="off">
+    <tr><td>#1</td><td>#2</td><td>#3</td><td>#4</td></tr>
+    <tr><td>#5</td><td>#6</td><td>#7</td><td>#8</td></tr>
+  </nattable>
+  <nattable frame="no">
+    <tr><td>#1</td><td>#2</td><td>#3</td><td>#4</td></tr>
+    <tr><td>#5</td><td>#6</td><td>#7</td><td>#8</td></tr>
+  </nattable>
+</a>
+\stopbuffer
+
+\typebuffer[test]
+
+\startbuffer
+\startxmlsetups xml:a
+    \xmlflush{#1}
+\stopxmlsetups
+
+\xmlmapvalue {nattable:frame} {on}  {on}
+\xmlmapvalue {nattable:frame} {yes} {on}
+\xmlmapvalue {nattable:frame} {off} {off}
+\xmlmapvalue {nattable:frame} {no}  {off}
+
+\startxmlsetups xml:nattable
+    \startplacetable[title=#1]
+        \setupTABLE[frame=\xmlval{nattable:frame}{\xmlatt{#1}{frame}}{on}]%
+        \bTABLE
+            \xmlflush{#1}
+        \eTABLE
+    \stopplacetable
+\stopxmlsetups
+
+\startxmlsetups xml:tr
+    \bTR
+        \xmlflush{#1}
+    \eTR
+\stopxmlsetups
+
+\startxmlsetups xml:td
+    \bTD
+        \xmlflush{#1}
+    \eTD
+\stopxmlsetups
+
+\startxmlsetups xml:testsetups
+    \xmlsetsetup{example-4}{a|nattable|tr|td|}{xml:*}
+\stopxmlsetups
+
+\xmlregisterdocumentsetup{example-4}{xml:testsetups}
+
+\xmlprocessbuffer{example-4}{test}{}
+\stopbuffer
+
+The \type {\xmlmapvalue} mechanism is rather efficient and involves a minimum
+of testing.
+
+\typebuffer
+
+We get:
+
+\getbuffer
+
+\stopsection
+
+\startsection[title=using \LUA]
+
+In this example we demonstrate how you can delegate rendering to \LUA. We
+will construct a so called extreme table. The input is:
+
+\startbuffer[demo]
+<?xml version="1.0" encoding="utf-8"?>
+
+<a>
+  <b> <c>1</c> <d>Text</d>           </b>
+  <b> <c>2</c> <d>More text</d>      </b>
+  <b> <c>2</c> <d>Even more text</d> </b>
+  <b> <c>2</c> <d>And more</d>       </b>
+  <b> <c>3</c> <d>And even more</d>  </b>
+  <b> <c>2</c> <d>The last text</d>  </b>
+</a>
+\stopbuffer
+
+\typebuffer[demo]
+
+The processor code is:
+
+\startbuffer[process]
+\startxmlsetups xml:test_setups
+    \xmlsetsetup{#1}{a|b|c|d}{xml:*}
+\stopxmlsetups
+
+\xmlregisterdocumentsetup{example-5}{xml:test_setups}
+
+\xmlprocessbuffer{example-5}{demo}{}
+\stopbuffer
+
+\typebuffer
+
+We color a sequence of the same titles (numbers here) differently. The first
+solution remembers the last title:
+
+\startbuffer
+\startxmlsetups xml:a
+    \startembeddedxtable
+        \xmlflush{#1}
+    \stopembeddedxtable
+\stopxmlsetups
+
+\startxmlsetups xml:b
+    \xmlfunction{#1}{test_ba}
+\stopxmlsetups
+
+\startluacode
+local lasttitle = nil
+
+function xml.functions.test_ba(t)
+    local title   = xml.text(t, "/c")
+    local content = xml.text(t, "/d")
+    context.startxrow()
+    context.startxcell {
+        background      = "color",
+        backgroundcolor = lasttitle == title and "colorone" or "colortwo",
+        foregroundstyle = "bold",
+        foregroundcolor = "white",
+    }
+    context(title)
+    lasttitle = title
+    context.stopxcell()
+    context.startxcell()
+    context(content)
+    context.stopxcell()
+    context.stopxrow()
+end
+\stopluacode
+\stopbuffer
+
+\typebuffer \getbuffer
+
+The \type {embeddedxtable} environment is needed because the table is picked up
+as argument.
+
+\startlinecorrection \getbuffer[process] \stoplinecorrection
+
+The second implemetation remembers what titles are already processed so here we
+can color the last one too.
+
+\startbuffer
+\startxmlsetups xml:a
+    \ctxlua{xml.functions.reset_bb()}
+    \startembeddedxtable
+        \xmlflush{#1}
+    \stopembeddedxtable
+\stopxmlsetups
+
+\startxmlsetups xml:b
+    \xmlfunction{#1}{test_bb}
+\stopxmlsetups
+
+\startluacode
+local titles
+
+function xml.functions.reset_bb(t)
+    titles = { }
+end
+
+function xml.functions.test_bb(t)
+    local title   = xml.text(t, "/c")
+    local content = xml.text(t, "/d")
+    context.startxrow()
+    context.startxcell {
+        background      = "color",
+        backgroundcolor = titles[title] and "colorone" or "colortwo",
+        foregroundstyle = "bold",
+        foregroundcolor = "white",
+    }
+    context(title)
+    titles[title] = true
+    context.stopxcell()
+    context.startxcell()
+    context(content)
+    context.stopxcell()
+    context.stopxrow()
+end
+\stopluacode
+\stopbuffer
+
+\typebuffer \getbuffer
+
+\startlinecorrection \getbuffer[process] \stoplinecorrection
+
+A solution without any state variable is given below.
+
+\startbuffer
+\startxmlsetups xml:a
+    \startembeddedxtable
+        \xmlflush{#1}
+    \stopembeddedxtable
+\stopxmlsetups
+
+\startxmlsetups xml:b
+    \xmlfunction{#1}{test_bc}
+\stopxmlsetups
+
+\startluacode
+function xml.functions.test_bc(t)
+    local title   = xml.text(t, "/c")
+    local content = xml.text(t, "/d")
+    context.startxrow()
+    local okay = xml.text(t,"./preceding-sibling::/[-1]") == title
+    context.startxcell {
+        background      = "color",
+        backgroundcolor = okay and "colorone" or "colortwo",
+        foregroundstyle = "bold",
+        foregroundcolor = "white",
+    }
+    context(title)
+    context.stopxcell()
+    context.startxcell()
+    context(content)
+    context.stopxcell()
+    context.stopxrow()
+end
+\stopluacode
+\stopbuffer
+
+\typebuffer \getbuffer
+
+\startlinecorrection \getbuffer[process] \stoplinecorrection
+
+Here is a solution that delegates even more to \LUA. The previous variants were
+actually not that safe with repect to special characters and didn't handle
+nested elements either but the next one does.
+
+\startbuffer[demo]
+<?xml version="1.0" encoding="utf-8"?>
+
+<a>
+  <b> <c>#1</c> <d>Text</d>                     </b>
+  <b> <c>#2</c> <d>More text</d>                </b>
+  <b> <c>#2</c> <d>Even more text</d>           </b>
+  <b> <c>#2</c> <d>And more</d>                 </b>
+  <b> <c>#3</c> <d>And even more</d>            </b>
+  <b> <c>#2</c> <d>Something <i>nested</i> </d> </b>
+</a>
+\stopbuffer
+
+\typebuffer[demo]
+
+We also need to map the \type {i} element.
+
+\startbuffer
+\startxmlsetups xml:a
+    \starttexcode
+        \xmlfunction{#1}{test_a}
+    \stoptexcode
+\stopxmlsetups
+
+\startxmlsetups xml:c
+    \xmlflush{#1}
+\stopxmlsetups
+
+\startxmlsetups xml:d
+    \xmlflush{#1}
+\stopxmlsetups
+
+\startxmlsetups xml:i
+    {\em\xmlflush{#1}}
+\stopxmlsetups
+
+\startluacode
+function xml.functions.test_a(t)
+    context.startxtable()
+    local previous = false
+    for b in xml.collected(lxml.getid(t),"/b") do
+        context.startxrow()
+            local current = xml.text(b,"/c")
+            context.startxcell {
+                background      = "color",
+                backgroundcolor = (previous == current) and "colorone" or "colortwo",
+                foregroundstyle = "bold",
+                foregroundcolor = "white",
+            }
+            lxml.first(b,"/c")
+            context.stopxcell()
+            context.startxcell()
+            lxml.first(b,"/d")
+            context.stopxcell()
+            previous = current
+        context.stopxrow()
+    end
+    context.stopxtable()
+end
+\stopluacode
+
+\startxmlsetups xml:test_setups
+    \xmlsetsetup{#1}{a|b|c|d|i}{xml:*}
+\stopxmlsetups
+
+\xmlregisterdocumentsetup{example-5}{xml:test_setups}
+
+\xmlprocessbuffer{example-5}{demo}{}
+\stopbuffer
+
+\typebuffer
+
+\startlinecorrection \getbuffer \stoplinecorrection
+
+The question is, do we really need \LUA ? Often we don't, apart maybe from an
+occasional special finalizer. A pure \TEX\ solution is given next:
+
+\startbuffer
+\startxmlsetups xml:a
+    \glet\MyPreviousTitle\empty
+    \glet\MyCurrentTitle \empty
+    \startembeddedxtable
+        \xmlflush{#1}
+    \stopembeddedxtable
+\stopxmlsetups
+
+\startxmlsetups xml:b
+    \startxrow
+        \xmlflush{#1}
+    \stopxrow
+\stopxmlsetups
+
+\startxmlsetups xml:c
+    \xdef\MyCurrentTitle{\xmltext{#1}{.}}
+    \doifelse {\MyPreviousTitle} {\MyCurrentTitle} {
+        \startxcell
+          [background=color,
+           backgroundcolor=colorone,
+           foregroundstyle=bold,
+           foregroundcolor=white]
+    } {
+        \glet\MyPreviousTitle\MyCurrentTitle
+        \startxcell
+          [background=color,
+           backgroundcolor=colortwo,
+           foregroundstyle=bold,
+           foregroundcolor=white]
+    }
+    \xmlflush{#1}
+    \stopxcell
+\stopxmlsetups
+
+\startxmlsetups xml:d
+    \startxcell
+        \xmlflush{#1}
+    \stopxcell
+\stopxmlsetups
+
+\startxmlsetups xml:i
+    {\em\xmlflush{#1}}
+\stopxmlsetups
+
+\startxmlsetups xml:test_setups
+    \xmlsetsetup{#1}{*}{xml:*}
+\stopxmlsetups
+
+\xmlregisterdocumentsetup{example-5}{xml:test_setups}
+
+\xmlprocessbuffer{example-5}{demo}{}
+\stopbuffer
+
+\typebuffer
+
+\startlinecorrection \getbuffer \stoplinecorrection
+
+You can even save a few lines of code:
+
+\starttyping
+\startxmlsetups xml:c
+    \xdef\MyCurrentTitle{\xmltext{#1}{.}}
+    \startxcell
+      [background=color,
+       backgroundcolor=color\ifx\MyPreviousTitle\MyCurrentTitle one\else two\fi,
+       foregroundstyle=bold,
+       foregroundcolor=white]
+    \xmlflush{#1}
+    \stopxcell
+    \glet\MyPreviousTitle\MyCurrentTitle
+\stopxmlsetups
+\stoptyping
+
+Or if you prefer:
+
+\starttyping
+\startxmlsetups xml:c
+    \xdef\MyCurrentTitle{\xmltext{#1}{.}}
+    \doifelse {\MyPreviousTitle} {\MyCurrentTitle} {
+        \xmlsetup{#1}{xml:c:one}
+    } {
+        \xmlsetup{#1}{xml:c:two}
+    }
+\stopxmlsetups
+
+\startxmlsetups xml:c:one
+    \startxcell
+      [background=color,
+       backgroundcolor=colorone,
+       foregroundstyle=bold,
+       foregroundcolor=white]
+    \xmlflush{#1}
+    \stopxcell
+\stopxmlsetups
+
+\startxmlsetups xml:c:two
+    \startxcell
+      [background=color,
+       backgroundcolor=colortwo,
+       foregroundstyle=bold,
+       foregroundcolor=white]
+    \xmlflush{#1}
+    \stopxcell
+    \global\let\MyPreviousTitle\MyCurrentTitle
+\stopxmlsetups
+\stoptyping
+
+These examples demonstrate that it doesn't hurt to know a little bit of \TEX\
+programming: defining macros and basic comparisons can come in handy. There are
+examples in the test suite, you can peek in the source code, you can consult
+the wiki or you can just ask on the list.
+
+\stopsection
+
+\startsection[title=last match]
+
+For the next example we use the following \XML\ input:
+
+\startbuffer[demo]
+<?xml version "1.0"?>
+<document>
+    <section id="1">
+        <content>
+            <p>first</p>
+            <p>second</p>
+        </content>
+    </section>
+    <section id="2">
+        <content>
+            <p>third</p>
+            <p>fourth</p>
+        </content>
+    </section>
+</document>
+\stopbuffer
+
+\typebuffer[demo]
+
+If you check if some element is present and then act accordingly, you can
+end up with doing the same lookup twice. Although it might sound inefficient,
+in practice it's often not measureable.
+
+\startbuffer
+\startxmlsetups xml:demo:document
+    \type{\xmlall{#1}{/section[@id='2']/content/p}}\par
+    \xmldoif{#1}{/section[@id='2']/content/p} {
+        \xmlall{#1}{/section[@id='2']/content/p}
+    }
+    \type{\xmllastmatch}\par
+    \xmldoif{#1}{/section[@id='2']/content/p} {
+        \xmllastmatch
+    }
+    \type{\xmlall{#1}{last-match::}}\par
+    \xmldoif{#1}{/section[@id='2']/content/p} {
+        \xmlall{#1}{last-match::}
+    }
+    \type{\xmlfilter{#1}{last-match::/command(xml:demo:p)}}\par
+    \xmldoif{#1}{/section[@id='2']/content/p} {
+        \xmlfilter{#1}{last-match::/command(xml:demo:p)}
+    }
+\stopxmlsetups
+
+\startxmlsetups xml:demo:p
+    \quad\xmlflush{#1}\endgraf
+\stopxmlsetups
+
+\startxmlsetups xml:demo:base
+    \xmlsetsetup{#1}{document|p}{xml:demo:*}
+\stopxmlsetups
+
+\xmlregisterdocumentsetup{example-6}{xml:demo:base}
+
+\xmlprocessbuffer{example-6}{demo}{}
+\stopbuffer
+
+\typebuffer
+
+In the second check we just flush the last match, so effective we do an \type
+{\xmlall} here. The third and fourth alternatives demonstrate how we can use
+\type {last-match} as axis. The gain is 10\% or more on the lookup but of course
+typesetting often takes relatively more time than the lookup.
+
+\startpacked
+\getbuffer
+\stoppacked
+
+\stopsection
+
+\stopchapter
+
+\stopbodymatter
+
+\stoptext