context 20may15

git-svn-id: svn://tug.org/texlive/trunk@37464 c570f23f-e606-0410-a88d-b1316a301751

23 files changed, 294 insertions, 117 deletions

diff --git a/Master/texmf-dist/tex/context/base/cont-new.mkiv b/Master/texmf-dist/tex/context/base/cont-new.mkiv
index e9f25937606..3f2e4199c10 100644
--- a/Master/texmf-dist/tex/context/base/cont-new.mkiv
+++ b/Master/texmf-dist/tex/context/base/cont-new.mkiv
@@ -11,7 +11,7 @@
 %C therefore copyrighted by \PRAGMA. See mreadme.pdf for
 %C details.
 
-\newcontextversion{2015.05.15 23:03}
+\newcontextversion{2015.05.18 12:26}
 
 %D This file is loaded at runtime, thereby providing an excellent place for
 %D hacks, patches, extensions and new features.
diff --git a/Master/texmf-dist/tex/context/base/context-version.pdf b/Master/texmf-dist/tex/context/base/context-version.pdf
index 1145082b449..5244e0ba98b 100644
--- a/Master/texmf-dist/tex/context/base/context-version.pdf
+++ b/Master/texmf-dist/tex/context/base/context-version.pdf
diff --git a/Master/texmf-dist/tex/context/base/context.mkiv b/Master/texmf-dist/tex/context/base/context.mkiv
index 389d784e41a..9b542115e9f 100644
--- a/Master/texmf-dist/tex/context/base/context.mkiv
+++ b/Master/texmf-dist/tex/context/base/context.mkiv
@@ -39,7 +39,7 @@
 %D up and the dependencies are more consistent.
 
 \edef\contextformat {\jobname}
-\edef\contextversion{2015.05.15 23:03}
+\edef\contextversion{2015.05.18 12:26}
 \edef\contextkind   {current}
 
 %D For those who want to use this:
@@ -483,7 +483,7 @@
 \loadmarkfile{math-dis}
 %loadmarkfile{math-lan}
 
-\loadmarkfile{phys-dim}
+%loadmarkfile{phys-dim} % moved to after typo-scr
 
 \loadmarkfile{strc-mat}
 
@@ -491,6 +491,7 @@
 \loadmarkfile{chem-str}
 
 \loadmarkfile{typo-scr}
+\loadmarkfile{phys-dim}
 
 \loadmarkfile{node-rul}
 \loadmkvifile{font-sol} % font solutions
diff --git a/Master/texmf-dist/tex/context/base/core-sys.mkiv b/Master/texmf-dist/tex/context/base/core-sys.mkiv
index 3d31dee53d6..1358f4cce80 100644
--- a/Master/texmf-dist/tex/context/base/core-sys.mkiv
+++ b/Master/texmf-dist/tex/context/base/core-sys.mkiv
@@ -211,7 +211,10 @@
   {\namedstartstopparameter{#1}\c!before\relax
    \bgroup
    \def\currentstartstop{#1}%
-   \startstopparameter\c!commands\relax % better: setups so that will show op soon
+   % we will keep this for a while:
+   \startstopparameter\c!commands\relax % obsolete
+   % this is the new method:
+   \usesetupsparameter\startstopparameter\relax % only in the display version
    \dostarttagged\t!construct\currentstartstop
    \usestartstopstyleandcolor\c!style\c!color}
 
diff --git a/Master/texmf-dist/tex/context/base/font-otf.lua b/Master/texmf-dist/tex/context/base/font-otf.lua
index 85eebaaebd0..308ec4568e6 100644
--- a/Master/texmf-dist/tex/context/base/font-otf.lua
+++ b/Master/texmf-dist/tex/context/base/font-otf.lua
@@ -721,6 +721,8 @@ actions["prepare glyphs"] = function(data,filename,raw)
         if rawcidinfo.registry then
             local cidmap = fonts.cid.getmap(rawcidinfo)
             if cidmap then
+-- local map = raw.map.map -- else created each time
+-- local backmap = raw.map.backmap -- else created each time
                 rawcidinfo.usedname = cidmap.usedname
                 local nofnames, nofunicodes = 0, 0
                 local cidunicodes, cidnames = cidmap.unicodes, cidmap.names
@@ -735,6 +737,7 @@ actions["prepare glyphs"] = function(data,filename,raw)
                         local glyph = cidglyphs[index]
                         if glyph then
                             local unicode = glyph.unicode
+-- local unicode = backmap[index] or -1
                             if     unicode >= 0x00E000 and unicode <= 0x00F8FF then
                                 unicode = -1
                             elseif unicode >= 0x0F0000 and unicode <= 0x0FFFFD then
@@ -743,6 +746,7 @@ actions["prepare glyphs"] = function(data,filename,raw)
                                 unicode = -1
                             end
                             local name = glyph.name or cidnames[index]
+-- print(index,unicode,glyph.name,raw.map.map[unicode],raw.map.backmap[index])
                             if not unicode or unicode == -1 then -- or unicode >= criterium then
                                 unicode = cidunicodes[index]
                             end
@@ -786,14 +790,13 @@ actions["prepare glyphs"] = function(data,filename,raw)
                             local description = {
                              -- width       = glyph.width,
                                 boundingbox = glyph.boundingbox,
-                                name        = glyph.name or name or "unknown", -- uniXXXX
+                             -- name        = glyph.name or name or "unknown", -- uniXXXX
+                                name        = name or "unknown", -- uniXXXX
                                 cidindex    = cidindex,
                                 index       = index,
                                 glyph       = glyph,
                             }
                             descriptions[unicode] = description
-                        else
-                         -- report_otf("potential problem: glyph %U is used but empty",index)
                         end
                     end
                 end
@@ -974,8 +977,8 @@ actions["check encoding"] = function(data,filename,raw)
     end
 
     if mapdata then
-        mapdata.map     = { } -- clear some memory
-        mapdata.backmap = { } -- clear some memory
+        mapdata.map     = { } -- clear some memory (virtual and created each time anyway)
+        mapdata.backmap = { } -- clear some memory (virtual and created each time anyway)
     end
 end
 
@@ -991,7 +994,6 @@ actions["add duplicates"] = function(data,filename,raw)
     local unicodes     = resources.unicodes -- name to unicode
     local indices      = resources.indices  -- index to unicodes
     local duplicates   = resources.duplicates
-
     for unicode, d in next, duplicates do
         local nofduplicates = #d
         if nofduplicates > 4 then
diff --git a/Master/texmf-dist/tex/context/base/lxml-tab.lua b/Master/texmf-dist/tex/context/base/lxml-tab.lua
index 47e2cac6196..510ba1bd44c 100644
--- a/Master/texmf-dist/tex/context/base/lxml-tab.lua
+++ b/Master/texmf-dist/tex/context/base/lxml-tab.lua
@@ -264,8 +264,17 @@ end
 --     end
 -- end
 
+local spaceonly = lpegpatterns.whitespace^0 * P(-1)
+
 local function add_text(text)
     local n = #dt
+--
+-- will be an option: dataonly
+--
+-- if #text == 0 or lpegmatch(spaceonly,text) then
+--     return
+-- end
+--
     if cleanup and #text > 0 then
         if n > 0 then
             local s = dt[n]
diff --git a/Master/texmf-dist/tex/context/base/math-ini.mkiv b/Master/texmf-dist/tex/context/base/math-ini.mkiv
index 83c7554ebba..9627b153fb2 100644
--- a/Master/texmf-dist/tex/context/base/math-ini.mkiv
+++ b/Master/texmf-dist/tex/context/base/math-ini.mkiv
@@ -2250,6 +2250,13 @@
    \math_inline_openup_stop
    \endgroup}
 
+% Also handy, especially for units:
+%
+% 0x002B=plus 0x2212=minus 0x2013=endash
+
+\unexpanded\def\mathplus {+}
+\unexpanded\def\mathminus{\ifmmode –\else\iffontchar\font`−−\else –\fi\fi}
+
 \protect \endinput
 
 % % not used (yet)
diff --git a/Master/texmf-dist/tex/context/base/mult-low.lua b/Master/texmf-dist/tex/context/base/mult-low.lua
index 9a05e59d994..5396ec723ea 100644
--- a/Master/texmf-dist/tex/context/base/mult-low.lua
+++ b/Master/texmf-dist/tex/context/base/mult-low.lua
@@ -266,6 +266,7 @@ return {
         "singleexpandafter", "doubleexpandafter", "tripleexpandafter",
         --
         "dontleavehmode", "removelastspace", "removeunwantedspaces", "keepunwantedspaces",
+        "removepunctuation",
         --
         "wait", "writestatus", "define", "defineexpandable", "redefine",
         --
diff --git a/Master/texmf-dist/tex/context/base/mult-prm.lua b/Master/texmf-dist/tex/context/base/mult-prm.lua
index 3b4d8435668..9d6fc7810e8 100644
--- a/Master/texmf-dist/tex/context/base/mult-prm.lua
+++ b/Master/texmf-dist/tex/context/base/mult-prm.lua
@@ -254,6 +254,7 @@ return {
   "suppresslongerror",
   "suppressoutererror",
   "suppressmathparerror",
+  "matheqnogapstep",
   "synctex",
  },
  ["omega"]={
diff --git a/Master/texmf-dist/tex/context/base/page-mrk.mkiv b/Master/texmf-dist/tex/context/base/page-mrk.mkiv
index 6d0a5af943a..0823464fe36 100644
--- a/Master/texmf-dist/tex/context/base/page-mrk.mkiv
+++ b/Master/texmf-dist/tex/context/base/page-mrk.mkiv
@@ -102,6 +102,7 @@
 
 \def\page_marks_add_page_indeed#1%
   {\setbox#1\hbox\bgroup
+     \resetvisualizers
      \let\objectoffset\pagecutmarkmargin
     %\infofont
      \scratchwidth \wd#1%
@@ -115,6 +116,7 @@
 
 \def\page_marks_add_more_indeed#1%
   {\setbox#1\hbox\bgroup
+     \resetvisualizers
      \let\objectoffset\pagecutmarkmargin
      \infofont
      \scratchwidth \wd#1% these can move out
diff --git a/Master/texmf-dist/tex/context/base/phys-dim.lua b/Master/texmf-dist/tex/context/base/phys-dim.lua
index 7430b62d773..71c9b0bd40e 100644
--- a/Master/texmf-dist/tex/context/base/phys-dim.lua
+++ b/Master/texmf-dist/tex/context/base/phys-dim.lua
@@ -43,6 +43,7 @@ local rawset, next = rawset, next
 local V, P, S, R, C, Cc, Cs, matchlpeg = lpeg.V, lpeg.P, lpeg.S, lpeg.R, lpeg.C, lpeg.Cc, lpeg.Cs, lpeg.match
 local format, lower = string.format, string.lower
 local appendlpeg = lpeg.append
+local utfchartabletopattern = lpeg.utfchartabletopattern
 local mergetable, mergedtable, keys, loweredkeys = table.merge, table.merged, table.keys, table.loweredkeys
 local setmetatablenewindex = table.setmetatablenewindex
 local utfchar = utf.char
@@ -663,11 +664,11 @@ labels.suffixes = allocate {
     square     = { labels = { en = [[2]]  } },
     cubic      = { labels = { en = [[3]]  } },
     quadratic  = { labels = { en = [[4]]  } },
-    inverse    = { labels = { en = [[-1]] } },
-    ilinear    = { labels = { en = [[-1]] } },
-    isquare    = { labels = { en = [[-2]] } },
-    icubic     = { labels = { en = [[-3]] } },
-    iquadratic = { labels = { en = [[-4]]  } },
+    inverse    = { labels = { en = [[\mathminus1]] } },
+    ilinear    = { labels = { en = [[\mathminus1]] } },
+    isquare    = { labels = { en = [[\mathminus2]] } },
+    icubic     = { labels = { en = [[\mathminus3]] } },
+    iquadratic = { labels = { en = [[\mathminus4]] } },
 }
 
 local function dimpus(p,u,s)
@@ -774,6 +775,20 @@ local function update_parsers() -- todo: don't remap utf sequences
     local p_short_operator = appendlpeg(short_operators)
     local p_short_suffix   = appendlpeg(short_suffixes)
 
+    -- more efficient but needs testing
+
+--     local p_long_prefix    = utfchartabletopattern(all_long_prefixes)  / all_long_prefixes
+--     local p_long_unit      = utfchartabletopattern(all_long_units)     / all_long_units
+--     local p_long_operator  = utfchartabletopattern(all_long_operators) / all_long_operators
+--     local p_long_suffix    = utfchartabletopattern(all_long_suffixes)  / all_long_suffixes
+--     local p_symbol         = utfchartabletopattern(all_symbol_units)   / all_symbol_units
+--     local p_packaged       = utfchartabletopattern(all_packaged_units) / all_packaged_units
+
+--     local p_short_prefix   = utfchartabletopattern(short_prefixes)     / short_prefixes
+--     local p_short_unit     = utfchartabletopattern(short_units)        / short_units
+--     local p_short_operator = utfchartabletopattern(short_operators)    / short_operators
+--     local p_short_suffix   = utfchartabletopattern(short_suffixes)     / short_suffixes
+
     -- we can can cleanup some space issues here (todo)
 
     local unitparser = P { "unit",
diff --git a/Master/texmf-dist/tex/context/base/phys-dim.mkiv b/Master/texmf-dist/tex/context/base/phys-dim.mkiv
index 232edc2fc5e..b1bcb40c947 100644
--- a/Master/texmf-dist/tex/context/base/phys-dim.mkiv
+++ b/Master/texmf-dist/tex/context/base/phys-dim.mkiv
@@ -156,7 +156,7 @@
   {\ifmmode
      \expandafter\normalsuperscript
    \else
-     \expandafter\high
+     \expandafter\unitshigh
    \fi}
 
 % we could use a symbolset but how many symbols are there ?
@@ -170,17 +170,21 @@
 % \definesymbol[units][times][\cdots]
 % \definesymbol[units][times][\ifmmode\cdot\else\kern.2\emwidth\cdot\kern.2\emwidth\fi]
 
-\def\digitstimessymbol{\times}
-% \def\digitstimessymbol{\cdot}
-% \def\digitstimessymbol{\ifmmode\cdot\else\kern.2\emwidth\cdot\kern.2\emwidth\fi}
+\unexpanded\def\digitstextbinop#1% assumes preceding
+  {\fourperemspace\nobreak\times\fourperemspace}
+
+%def\digitstimessymbol{\ifmmode\cdot\else\digitstextbinop\cdot\fi}
+\def\digitstimessymbol{\ifmmode\times\else\digitstextbinop\times\fi}
 
 \unexpanded\def\digitszeropadding   {\hphantom{0}}
 \unexpanded\def\digitsnegative      {\phys_digits_normalized{0}{\phys_digits_raised{\textminus}}}
 \unexpanded\def\digitspositive      {\phys_digits_normalized{0}{\phys_digits_raised{\textplus}}}
 \unexpanded\def\digitsnegative      {\phys_digits_normalized{0}{\mathematics{\negative}}}
 \unexpanded\def\digitspositive      {\phys_digits_normalized{0}{\mathematics{\positive}}}
-\unexpanded\def\digitsminus         {\phys_digits_normalized{0}{\mathematics{-}}}
-\unexpanded\def\digitsplus          {\phys_digits_normalized{0}{\mathematics{+}}}
+%unexpanded\def\digitsminus         {\phys_digits_normalized{0}{\mathematics{-}}}
+%unexpanded\def\digitsplus          {\phys_digits_normalized{0}{\mathematics{+}}}
+\unexpanded\def\digitsminus         {\phys_digits_normalized{0}{\mathminus}}
+\unexpanded\def\digitsplus          {\phys_digits_normalized{0}{\mathplus }}
 \unexpanded\def\digitsspace         {\hphantom{0}}
 \unexpanded\def\digitsseparatorspace{\hphantom{.}}
 \unexpanded\def\digitssignspace     {\hphantom{\digitsminus}}
@@ -370,6 +374,9 @@
   %\c!space=...,                 % (maybe) small medium big
   ]
 
+\definehigh[unitshigh][\c!style=\txx]
+\definelow [unitslow] [\c!style=\txx]
+
 \let\setupunits\setupunit
 
 \newconstant   \c_phys_units_mode   % 0=text 1=math 2=textinmath 3=mathintext
@@ -615,22 +622,22 @@
 
 \def\unitsraise
   {\ifcase\c_phys_units_mode
-     \expandafter\high
+     \expandafter\unitshigh
    \or
      \expandafter\normalsuperscript
    \or
-     \expandafter\high
+     \expandafter\unitshigh
    \or
      \expandafter\normalsuperscript
    \fi}
 
 \def\unitslower
   {\ifcase\c_phys_units_mode
-     \expandafter\low
+     \expandafter\unitslow
    \or
      \expandafter\normalsubscript
    \or
-     \expandafter\low
+     \expandafter\unitslow
    \or
      \expandafter\normalsubscript
    \fi}
diff --git a/Master/texmf-dist/tex/context/base/publ-imp-apa.mkvi b/Master/texmf-dist/tex/context/base/publ-imp-apa.mkvi
index 9ab624bf82b..85e0ebd5f39 100644
--- a/Master/texmf-dist/tex/context/base/publ-imp-apa.mkvi
+++ b/Master/texmf-dist/tex/context/base/publ-imp-apa.mkvi
@@ -33,7 +33,7 @@
   [apa]
   [\c!default=default,
    \c!specification=apa,
-   \c!otherstext={\space\btxlabeltext{apa:others}},
+   \c!otherstext={\btxspace\btxlabeltext{apa:others}},
    %c!journalconversion=\v!normal,
    \c!monthconversion=\v!month]
 
@@ -57,14 +57,14 @@
 \definebtx
   [apa:\s!list]
   [apa]
-  [\c!otherstext={,\nobreakspace\textellipsis\space},
+  [\c!otherstext={\btxcomma\btxnobreakspace\textellipsis\space},
    \c!etallimit=7,
    \c!etaldisplay=6,
    \c!etaloption=last,
    \c!authorconversion=invertedshort,
-   \c!separator:names:2={,\space}, % aka namesep - in this namespace
-   \c!separator:names:3={,\nobreakspace\textampersand\space}, % comma separated list
-   \c!separator:names:4={\nobreakspace\textampersand\space}] % last of two, no comma!
+   \c!separator:names:2={\btxcomma}, % aka namesep - in this namespace
+   \c!separator:names:3={\btxcomma\btxnobreakspace\textampersand\space}, % comma separated list
+   \c!separator:names:4={\btxnobreakspace\textampersand\space}] % last of two, no comma!
 
 % First, we define a namespace for a few special fields
 
@@ -91,9 +91,9 @@
 \definebtx
   [apa:\s!list:\s!page]
   [apa:\s!list]
-  [\c!separator:2={,\space},
-   \c!separator:3={,\space\btxlabeltext{apa:and}\space},
-   \c!separator:4={\space\btxlabeltext{apa:and}\space},
+  [\c!separator:2={\btxcomma},
+   \c!separator:3={\btxcomma\btxlabeltext{apa:and}\space},
+   \c!separator:4={\btxspace\btxlabeltext{apa:and}\space},
    \c!left={\btxleftparenthesis},
    \c!right={\btxrightparenthesis},
    \c!command={\wordright}]
@@ -101,7 +101,7 @@
 \definebtx
   [apa:\s!list:numbering]
   [apa:\s!list]
-  [\c!right={\space}]
+  [\c!right={\btxspace}]
 
 \definebtx
   [apa:\s!list:numbering:default]
@@ -265,15 +265,40 @@
   [apa:\s!cite]
   [apa]
   [\c!alternative=authoryear,
-   \c!otherstext={,\space\btxlabeltext{apa:others}},
+   \c!otherstext={\btxcomma\btxlabeltext{apa:others}},
    \c!etallimit=5,
    \c!etaldisplay=1, % TODO: when 2-4, show all first time, etaldisplay subsequently...
    \c!authorconversion=\v!name,
    \c!sorttype=normal,
    \c!compress=\v!yes, % note that cite sorts only work with compress=yes.
-   \c!separator:names:2={,\space},
-   \c!separator:names:3={,\space\btxlabeltext{apa:and}\space}, % not \textampersand
-   \c!separator:names:4={\space\btxlabeltext{apa:and}\space}] % not \textampersand
+   \c!separator:names:2={\btxcomma},
+   \c!separator:names:3={\btxcomma\btxlabeltext{apa:and}\space}, % not \textampersand
+   \c!separator:names:4={\btxspace\btxlabeltext{apa:and}\space}] % not \textampersand
+
+\definebtx
+  [apa:\s!cite:name]
+  [apa:\s!cite]
+  [\c!authorconversion=\v!name]
+
+\definebtx
+  [apa:\s!cite:inverted]
+  [apa:\s!cite]
+  [\c!authorconversion=\v!invertedshort]
+
+\definebtx
+  [apa:\s!cite:invertedshort]
+  [apa:\s!cite]
+  [\c!authorconversion=\v!invertedshort]
+
+\definebtx
+  [apa:\s!cite:normalshort]
+  [apa:\s!cite]
+  [\c!authorconversion=\v!normalshort]
+
+\definebtx
+  [apa:\s!cite:normal]
+  [apa:\s!cite]
+  [\c!authorconversion=\v!normal]
 
 \definebtx
   [apa:\s!cite:author]
@@ -284,7 +309,7 @@
   [apa:\s!cite:author]
   [\c!left={(},
    \c!right={)},
-   \c!inbetween={,\space}]
+   \c!inbetween={\btxcomma}]
 
 \definebtx
   [apa:\s!cite:default]
@@ -295,7 +320,7 @@
   [apa:\s!cite:authoryear]
   [\c!left=,
    \c!right=,
-   \c!inbetween={\space}]
+   \c!inbetween={\btxspace}]
 
 \definebtx
   [apa:\s!cite:authornum]
@@ -306,7 +331,7 @@
 \definebtx
   [apa:\s!cite:author:num] % todo
   [apa:\s!cite:authornum]
-  [\c!left={\space[},
+  [\c!left={\btxspace[},
    \c!right={]}]
 
 \definebtx
@@ -317,22 +342,22 @@
   [apa:\s!cite:author:years] % todo
   [apa:\s!cite:authoryears]
   [\c!inbetween=,
-   \c!left={\space(},
+   \c!left={\btxspace(},
    \c!right={)}]
 
 \definebtx
   [apa:\s!cite:year]
   [apa:\s!cite]
-  [\c!separator:2={,\space}, % :0 and :1 - between items of a list
-   \c!separator:3={,\space\btxlabeltext{apa:and}\space}, % not \textampersand
-   \c!separator:4={\space\btxlabeltext{apa:and}\space}] % not \textampersand
+  [\c!separator:2={\btxcomma}, % :0 and :1 - between items of a list
+   \c!separator:3={\btxcomma\btxlabeltext{apa:and}\space}, % not \textampersand
+   \c!separator:4={\btxspace\btxlabeltext{apa:and}\space}] % not \textampersand
 
 \definebtx
   [apa:\s!cite:title]
   [apa:\s!cite]
-  [\c!separator:2={,\space}, % :0 and :1 - between items of a list
-   \c!separator:3={,\space\btxlabeltext{apa:and}\space}, % not \textampersand
-   \c!separator:4={\space\btxlabeltext{apa:and}\space}, % not \textampersand
+  [\c!separator:2={\btxcomma}, % :0 and :1 - between items of a list
+   \c!separator:3={\btxcomma\btxlabeltext{apa:and}\space}, % not \textampersand
+   \c!separator:4={\btxspace\btxlabeltext{apa:and}\space}, % not \textampersand
    \c!command={\language[\currentbtxlanguage]}, % BAH
    \c!sorttype=none,
    \c!style=\v!italic]
@@ -359,9 +384,9 @@
   [apa:\s!cite]
   [\c!left=,
    \c!right=,
-   \c!separator:2={,\space}, % :0 and :1 - between items of a list
-   \c!separator:3={,\space\btxlabeltext{apa:and}\space}, % not \textampersand
-   \c!separator:4={\space\btxlabeltext{apa:and}\space}] % not \textampersand
+   \c!separator:2={\btxcomma}, % :0 and :1 - between items of a list
+   \c!separator:3={\btxcomma\btxlabeltext{apa:and}\space}, % not \textampersand
+   \c!separator:4={\btxspace\btxlabeltext{apa:and}\space}] % not \textampersand
 
 \definebtx
   [apa:\s!cite:pages]
@@ -405,17 +430,17 @@
   [apa:\s!cite:num]
   [\c!left={Ref.\nbsp},
    \c!right=,
-   \c!separator:2={,\space},
-   \c!separator:3={\space\btxlabeltext{apa:and}\space},
-   \c!separator:4={\space\btxlabeltext{apa:and}\space}]
+   \c!separator:2={\btxcomma},
+   \c!separator:3={\btxspace\btxlabeltext{apa:and}\space},
+   \c!separator:4={\btxspace\btxlabeltext{apa:and}\space}]
 
 \definebtx
   [apa:\s!cite:entry]
   [apa:\s!cite]
   [\c!left=,
    \c!right=,
-   \c!inbetween={\space},
-   \c!separator:2={;\space},
+   \c!inbetween={\btxspace},
+   \c!separator:2={\btxsemicolon},
    \c!separator:3=\btxparameter{\c!separator:2},
    \c!separator:4=\btxparameter{\c!separator:2}]
 
@@ -778,7 +803,13 @@
         \btxflush{year}
         \btxflushsuffix
     } {
-        \btxlabeltext{apa:nd}
+        \fastsetup{btx:apa:nd}
+        % Hans: the following won't work but should.
+        \btxdoif {suffix} {
+            \btxspace
+            \btxflushsuffix
+            % Hans: similarly, why can't \btxflush{suffix} be made to work?
+        }
     }
 \stoptexdefinition
 
diff --git a/Master/texmf-dist/tex/context/base/publ-imp-aps.mkvi b/Master/texmf-dist/tex/context/base/publ-imp-aps.mkvi
index 28af82e748b..71b0dc1855c 100644
--- a/Master/texmf-dist/tex/context/base/publ-imp-aps.mkvi
+++ b/Master/texmf-dist/tex/context/base/publ-imp-aps.mkvi
@@ -33,15 +33,15 @@
   [aps]
   [\c!default=default,
    \c!specification=aps,
-   \c!otherstext={\space{\it\btxlabeltext{aps:others}}},
+   \c!otherstext={\btxspace{\it\btxlabeltext{aps:others}}},
    \c!etallimit=10,
    \c!etaldisplay=\btxparameter\c!etallimit,
    %c!journalconversion=\v!normal,
    \c!monthconversion=\v!month,
    \c!title=\v!yes,
-   \c!separator:names:2={,\space},
-   \c!separator:names:3={,\space\btxlabeltext{aps:and}\space}, % not \textampersand
-   \c!separator:names:4= {\space\btxlabeltext{aps:and}\space}] % not \textampersand
+   \c!separator:names:2={\btxcomma},
+   \c!separator:names:3={\btxcomma\btxlabeltext{aps:and}\space},
+   \c!separator:names:4={\btxspace\btxlabeltext{aps:and}\space}]
 
 % First, define and set list and rendering parameters
 
@@ -83,9 +83,9 @@
 \definebtx
   [aps:\s!list:\s!page]
   [aps:\s!list]
-  [\c!separator:2={,\space},
-   \c!separator:3={,\space\btxlabeltext{aps:and}\space},
-   \c!separator:4={\space\btxlabeltext{aps:and}\space},
+  [\c!separator:2={\btxcomma},
+   \c!separator:3={\btxcomma\btxlabeltext{aps:and}\space},
+   \c!separator:4={\btxspace\btxlabeltext{aps:and}\space},
    \c!left={\btxleftparenthesis},
    \c!right={\btxrightparenthesis},
    \c!command={\wordright}]
@@ -247,11 +247,37 @@
 \definebtx
   [aps:\s!cite]
   [aps]
-  [\c!authorconversion=\v!name,
+  [\c!alternative=num,
+   \c!authorconversion=\v!name,
    \c!compress=\v!yes,
    \c!sorttype=normal]
 
 \definebtx
+  [aps:\s!cite:name]
+  [aps:\s!cite]
+  [\c!authorconversion=\v!name]
+
+\definebtx
+  [aps:\s!cite:inverted]
+  [aps:\s!cite]
+  [\c!authorconversion=\v!invertedshort]
+
+\definebtx
+  [aps:\s!cite:invertedshort]
+  [aps:\s!cite]
+  [\c!authorconversion=\v!invertedshort]
+
+\definebtx
+  [aps:\s!cite:normalshort]
+  [aps:\s!cite]
+  [\c!authorconversion=\v!normalshort]
+
+\definebtx
+  [aps:\s!cite:normal]
+  [aps:\s!cite]
+  [\c!authorconversion=\v!normal]
+
+\definebtx
   [aps:\s!cite:author]
   [aps:\s!cite]
 
@@ -260,14 +286,14 @@
   [aps:\s!cite:author]
   [\c!left={(},
    \c!right={)},
-   \c!inbetween={,\space}]
+   \c!inbetween={\btxcomma}]
 
 \definebtx
   [aps:\s!cite:authoryears]
   [aps:\s!cite:authoryear]
   [\c!left=,
    \c!right=,
-   \c!inbetween={\space}]
+   \c!inbetween={\btxspace}]
 
 \definebtx
   [aps:\s!cite:authornum]
@@ -278,7 +304,7 @@
 \definebtx
   [aps:\s!cite:author:num] % todo
   [aps:\s!cite:authornum]
-  [\c!left={\space[},
+  [\c!left={\btxspace[},
    \c!right={]}]
 
 \definebtx
@@ -291,7 +317,7 @@
   [aps:\s!cite:author:years] % todo
   [aps:\s!cite:authoryears]
   [\c!inbetween=,
-   \c!left={\space(},
+   \c!left={\btxspace(},
    \c!right={)}]
 
 \definebtx
@@ -326,9 +352,9 @@
   [aps:\s!cite]
   [\c!left=,
    \c!right=,
-   \c!separator:2={,\space}, % :0 and :1 - between items of a list
-   \c!separator:3={,\space\btxlabeltext{aps:and}\space}, % not \textampersand
-   \c!separator:4= {\space\btxlabeltext{aps:and}\space}] % not \textampersand
+   \c!separator:2={\btxcomma}, % :0 and :1 - between items of a list
+   \c!separator:3={\btxcomma\btxlabeltext{aps:and}\space},
+   \c!separator:4={\btxspace\btxlabeltext{aps:and}\space}]
 
 \definebtx
   [aps:\s!cite:pages]
@@ -381,17 +407,17 @@
   [aps:\s!cite:num]
   [\c!left={Ref.\nbsp},
    \c!command=,
-   \c!separator:2={,\space},
-   \c!separator:3={\space\btxlabeltext{aps:and}\space},
-   \c!separator:4={\space\btxlabeltext{aps:and}\space}]
+   \c!separator:2={\btxcomma},
+   \c!separator:3={\btxspace\btxlabeltext{aps:and}\space},
+   \c!separator:4={\btxspace\btxlabeltext{aps:and}\space}]
 
 \definebtx
   [aps:\s!cite:entry]
   [aps:\s!cite]
   [\c!left=,
    \c!right=,
-   \c!inbetween={\space},
-   \c!separator:2={;\space},
+   \c!inbetween={\btxspace},
+   \c!separator:2={\btxsemicolon},
    \c!separator:3=\btxparameter{\c!separator:2},
    \c!separator:4=\btxparameter{\c!separator:2}]
 
@@ -816,7 +842,6 @@
     \else
         #text
     \fi
-
 \stoptexdefinition
 
 % Then setups, by category
diff --git a/Master/texmf-dist/tex/context/base/publ-imp-default.mkvi b/Master/texmf-dist/tex/context/base/publ-imp-default.mkvi
index c7c88d74a58..6a15712ade4 100644
--- a/Master/texmf-dist/tex/context/base/publ-imp-default.mkvi
+++ b/Master/texmf-dist/tex/context/base/publ-imp-default.mkvi
@@ -26,12 +26,12 @@
 \definebtx
   [\s!default]
   [\c!default=, % we do not want to fall|-|back on ourself.
-   \c!otherstext={\space\btxlabeltext{default:others}},
+   \c!otherstext={\btxspace\btxlabeltext{default:others}},
    %c!journalconversion=\v!normal,
    \c!monthconversion=\v!number,
-   \c!separator:names:2={,\space},
-   \c!separator:names:3={\space\btxlabeltext{default:and}\space},
-   \c!separator:names:4={\space\btxlabeltext{default:and}\space}]
+   \c!separator:names:2={\btxcomma},
+   \c!separator:names:3={\btxspace\btxlabeltext{default:and}\space},
+   \c!separator:names:4={\btxspace\btxlabeltext{default:and}\space}]
 
 \definebtx
   [\s!default:\s!list]
@@ -46,14 +46,39 @@
    \c!sorttype=normal,
    \c!authorconversion=\v!name]
 
+\definebtx
+  [\s!default:\s!cite:name]
+  [\s!default:\s!cite]
+  [\c!authorconversion=\v!name]
+
+\definebtx
+  [\s!default:\s!cite:inverted]
+  [\s!default:\s!cite]
+  [\c!authorconversion=\v!invertedshort]
+
+\definebtx
+  [\s!default:\s!cite:invertedshort]
+  [\s!default:\s!cite]
+  [\c!authorconversion=\v!invertedshort]
+
+\definebtx
+  [\s!default:\s!cite:normalshort]
+  [\s!default:\s!cite]
+  [\c!authorconversion=\v!normalshort]
+
+\definebtx
+  [\s!default:\s!cite:normal]
+  [\s!default:\s!cite]
+  [\c!authorconversion=\v!normal]
+
 % List variants, some having specific settings:
 
 \definebtx
   [\s!default:\s!list:\s!page]
   [\s!default:\s!list]
-  [\c!separator:2={,\space},
-   \c!separator:3={,\space\btxlabeltext{default:and}\space},
-   \c!separator:4={\space\btxlabeltext{default:and}\space},
+  [\c!separator:2={\btxcomma},
+   \c!separator:3={\btxcomma\btxlabeltext{default:and}\space},
+   \c!separator:4={\btxspace\btxlabeltext{default:and}\space},
    \c!left={\btxleftparenthesis},
    \c!right={\btxrightparenthesis}]
 
@@ -139,7 +164,7 @@
   [\s!default:\s!cite:author]
   [\c!left={(},
    \c!right={)},
-   \c!inbetween={,\space}]
+   \c!inbetween={\btxcomma}]
 
 \definebtx
   [\s!default:\s!cite:authoryears]
@@ -148,7 +173,7 @@
 \definebtx
   [\s!default:\s!cite:author:num] % todo
   [\s!default:\s!cite:authornum]
-  [\c!left={\space[},
+  [\c!left={\btxleftbracket},
    \c!right={]}]
 
 \definebtx
@@ -161,7 +186,7 @@
   [\s!default:\s!cite:author:years] % todo
   [\s!default:\s!cite:authoryears]
   [\c!inbetween=,
-   \c!left={\space(},
+   \c!left={\btxleftparenthesis},
    \c!right={)}]
 
 \definebtx
@@ -240,9 +265,9 @@
   [\s!default:\s!cite:num]
   [\c!left=, % in apa: {Ref.\nbsp} or so
    \c!right=,
-   \c!separator:2={,\space},
-   \c!separator:3={,\space\btxlabeltext{default:and}\space},
-   \c!separator:4= {\space\btxlabeltext{default:and}\space}]
+   \c!separator:2={\btxcomma},
+   \c!separator:3={\btxcomma\btxlabeltext{default:and}\space},
+   \c!separator:4={\btxspace\btxlabeltext{default:and}\space}]
 
 \definebtx
   [\s!default:\s!cite:entry]
diff --git a/Master/texmf-dist/tex/context/base/publ-ini.mkiv b/Master/texmf-dist/tex/context/base/publ-ini.mkiv
index 233734bb610..41fbfa5a1a4 100644
--- a/Master/texmf-dist/tex/context/base/publ-ini.mkiv
+++ b/Master/texmf-dist/tex/context/base/publ-ini.mkiv
@@ -1749,9 +1749,10 @@
    \c!refcommand=authoryears,  % todo
    \c!numbering=\v!yes,
   %\c!saveinlist=\v!no, % maybe for before/after
+   \c!pagestate=\v!stop,
    \c!textstate=\v!start,
    \c!width=\v!auto,
-   \c!separator={;\space},
+   \c!separator={\btxsemicolon},
    \c!distance=1.5\emwidth]
 
 % Quite some interpunction and labels are the same of at least consistent within
@@ -1760,30 +1761,29 @@
 
 \setupbtx
   [\c!interaction=\v!start,
-   \c!alternative=num, % default cite form
-   \c!inbetween=\space,
+   \c!alternative=num, % default cite form, normally defined in the cite namespace
+   \c!inbetween=\btxspace,
    \c!range=\endash,   % separator:range?
    \c!compress=\v!yes, % was no?
    \c!authorconversion=normal,
    \c!sorttype=normal, % normal, reverse or none
    \c!etallimit=3,
    \c!etaldisplay=\btxparameter\c!etallimit,
-   \c!otherstext={\space et al.},
-   \c!separator:firstnames={\space},
-   \c!separator:juniors={\space},
-   \c!separator:vons={\space},
-   \c!separator:initials={\space},
+   \c!otherstext={\btxspace et al.},
+   \c!separator:firstnames={\btxspace},
+   \c!separator:juniors={\btxspace},
+   \c!separator:vons={\btxspace},
+   \c!separator:initials={\btxspace},
    \c!stopper:initials={.},
-  %\c!surnamesep={,\space}, % is this used anywhere?
-   \c!separator:invertedinitials={,\space},
-   \c!separator:invertedfirstnames={,\space},
-   \c!separator:names:2={,\space}, % separates multiple names
+  %\c!surnamesep={\btxcomma}, % is this used anywhere?
+   \c!separator:invertedinitials={\btxcomma},
+   \c!separator:invertedfirstnames={\btxcomma},
+   \c!separator:names:2={\btxcomma}, % separates multiple names
    \c!separator:names:3=\btxparameter{\c!separator:2}, % before last name in a list
    \c!separator:names:4=\btxparameter{\c!separator:2}, % between only two names
-   \c!separator:2={;\space}, % aka pubsep - separates multiple objects
+   \c!separator:2={\btxsemicolon}, % aka pubsep - separates multiple objects
    \c!separator:3=\btxparameter{separator:2}, % before last object in a list
-   \c!separator:4=\btxparameter{separator:2}, % between only two objects
-   \c!pagestate=\v!stop]
+   \c!separator:4=\btxparameter{separator:2}] % between only two objects
 
 % Do we want these in the format? Loading them delayed is somewhat messy.
 
diff --git a/Master/texmf-dist/tex/context/base/status-files.pdf b/Master/texmf-dist/tex/context/base/status-files.pdf
index e43651ef87a..619f763672f 100644
--- a/Master/texmf-dist/tex/context/base/status-files.pdf
+++ b/Master/texmf-dist/tex/context/base/status-files.pdf
diff --git a/Master/texmf-dist/tex/context/base/status-lua.pdf b/Master/texmf-dist/tex/context/base/status-lua.pdf
index 37e62b70be0..63c3286e8a7 100644
--- a/Master/texmf-dist/tex/context/base/status-lua.pdf
+++ b/Master/texmf-dist/tex/context/base/status-lua.pdf
diff --git a/Master/texmf-dist/tex/context/base/strc-mat.mkiv b/Master/texmf-dist/tex/context/base/strc-mat.mkiv
index 22fa5488910..225531fa894 100644
--- a/Master/texmf-dist/tex/context/base/strc-mat.mkiv
+++ b/Master/texmf-dist/tex/context/base/strc-mat.mkiv
@@ -45,7 +45,16 @@
    \c!indentnext=\v!no,
    \c!alternative=\s!default,
    \c!strut=\v!no,
-   \c!distance=\emwidth]
+   \c!distance=2\emwidth]
+
+\ifdefined\matheqnogapstep
+    % we're ok, now we have that quad in the distance which is
+    % more consistent and not depending on the text font in math
+    \matheqnogapstep\zerocount
+\else
+    % we will keep this for a while
+    \setupformulas[\c!distance=\emwidth]
+\fi
 
 \setupsubformulas % subformulas could be last in chain
   [\c!indentnext=\formulaparameter\c!indentnext]
@@ -228,18 +237,27 @@
 %       nested:     \number\c_strc_formulas_nested_number_mode]}}
 
 \unexpanded\def\placecurrentformulanumber
-  {\rm % nodig ?
-   \doif{\formulaparameter\c!location}\v!right{\hskip\formulaparameter\c!distance}%
+  {\begingroup
+   \rm % determines the distance and main font
+   \edef\p_location{\formulaparameter\c!location}%
+   \ifx\p_location\v!right
+      \hskip\formulaparameter\c!distance
+   \fi
+   \begingroup
+   \useformulastyleandcolor\c!numberstyle\c!numbercolor
    \formulaparameter\c!numbercommand
-     {\useformulastyleandcolor\c!numberstyle\c!numbercolor
-      \strut
+     {\strut
       \formulaparameter\c!left
       \namedtaggedlabeltexts
         \t!formulalabel \v!formula
         \t!formulanumber\v!formula
         {\ignorespaces\strc_formulas_place_current_number\removeunwantedspaces}%
       \formulaparameter\c!right}%
-   \doif{\formulaparameter\c!location}\v!left{\hskip\formulaparameter\c!distance}}
+   \endgroup
+   \ifx\p_location\v!left
+     \hskip\formulaparameter\c!distance
+   \fi
+   \endgroup}
 
 \unexpanded\def\strc_formulas_place_current_number
   {\strc_formulas_handle_current_references
@@ -433,6 +451,8 @@
 %D
 %D Otherwise we get a missing \type {$$} error reported.
 
+\let\reqno\eqno
+
 \unexpanded\def\resetdisplaymatheq % when used?
   {\let\normalleqno\gobbleoneargument \let\leqno\gobbleoneargument
    \let\normalreqno\gobbleoneargument \let\eqno \gobbleoneargument
diff --git a/Master/texmf-dist/tex/context/base/syst-ini.mkiv b/Master/texmf-dist/tex/context/base/syst-ini.mkiv
index 8631aed9075..dc5fddb63e1 100644
--- a/Master/texmf-dist/tex/context/base/syst-ini.mkiv
+++ b/Master/texmf-dist/tex/context/base/syst-ini.mkiv
@@ -1095,6 +1095,10 @@
 \suppressoutererror   \plusone
 \suppressmathparerror \plusone
 
+\ifdefined\matheqnogapstep % for now
+    \matheqnogapstep  \zerocount
+\fi
+
 %D While cleaning this code up a bit I was listening to Heather Nova's \CD\ Redbird.
 %D The first song on that \CD\ ends with a few lines suitable for ending this
 %D initialization module:
diff --git a/Master/texmf-dist/tex/context/base/trac-vis.lua b/Master/texmf-dist/tex/context/base/trac-vis.lua
index a20e42d1a1e..b541827988b 100644
--- a/Master/texmf-dist/tex/context/base/trac-vis.lua
+++ b/Master/texmf-dist/tex/context/base/trac-vis.lua
@@ -471,8 +471,10 @@ local function ruledbox(head,current,vertical,layer,what,simple,previous)
     if wd ~= 0 then
         local ht = getfield(current,"height")
         local dp = getfield(current,"depth")
+        local shift = getfield(current,"shift")
         local next = getnext(current)
-        local prev = previous -- getprev(current) ... prev can be wrong in math mode < 0.78.3
+        local prev = previous
+     -- local prev = getprev(current) -- prev can be wrong in math mode < 0.78.3
         setfield(current,"next",nil)
         setfield(current,"prev",nil)
         local linewidth = emwidth/fraction
@@ -533,7 +535,22 @@ local function ruledbox(head,current,vertical,layer,what,simple,previous)
             new_rule(wd-2*linewidth,ht,-ht+linewidth)
         )
         if baseskip then
-            info = linked_nodes(info,baseskip,baseline)
+            info = linked_nodes(info,baseskip,baseline) -- could be in previous linked
+        end
+        local shft
+        if shift == 0 then
+            shift = nil
+        else
+            local sh = shift > 0 and   shift or 0
+            local sd = shift < 0 and - shift or 0
+            shft = fast_hpack(new_rule(2*emwidth/fraction,sh,sd))
+            setfield(shft,"width",0)
+            if sh > 0 then
+                setfield(shft,"height",0)
+            end
+            if sd > 0 then
+                setfield(shft,"depth",0)
+            end
         end
         setlisttransparency(info,c_text)
         info = fast_hpack(info)
@@ -541,11 +558,18 @@ local function ruledbox(head,current,vertical,layer,what,simple,previous)
         setfield(info,"height",0)
         setfield(info,"depth",0)
         setattr(info,a_layer,layer)
-        local info = linked_nodes(current,new_kern(-wd),info)
+        local info = linked_nodes(shft,current,new_kern(-wd),info)
         info = fast_hpack(info,wd)
         if vertical then
             info = vpack_nodes(info)
         end
+        if shift then
+            setfield(current,"shift",0)
+            setfield(info,"width",wd)
+            setfield(info,"height",ht)
+            setfield(info,"depth",dp)
+            setfield(info,"shift",shift)
+        end
         if next then
             setfield(info,"next",next)
             setfield(next,"prev",info)
diff --git a/Master/texmf-dist/tex/context/base/trac-vis.mkiv b/Master/texmf-dist/tex/context/base/trac-vis.mkiv
index 6ee8a6b8d07..74a2c1ba223 100644
--- a/Master/texmf-dist/tex/context/base/trac-vis.mkiv
+++ b/Master/texmf-dist/tex/context/base/trac-vis.mkiv
@@ -22,7 +22,7 @@
 %D
 %D Control over what gets visualized happens with the tracker command:
 %D
-%D \enabletrackers[visualizer.*]
+%D \enabletrackers[visualizers.*]
 %D
 %D Possible values are: \type {fontkern}, \type {kern}, \type {glue}, \type
 %D {penalty}, \type {hbox}, \type {vbox}, \type {all}, \type {reset}, \type
diff --git a/Master/texmf-dist/tex/context/base/util-str.lua b/Master/texmf-dist/tex/context/base/util-str.lua
index de4a87e9f12..c2139b155c2 100644
--- a/Master/texmf-dist/tex/context/base/util-str.lua
+++ b/Master/texmf-dist/tex/context/base/util-str.lua
@@ -1118,7 +1118,7 @@ function string.optionalquoted(str)
     return lpegmatch(pattern,str) or str
 end
 
-local pattern = Cs((newline / os.newline + 1)^0)
+local pattern = Cs((newline / (os.newline or "\r") + 1)^0)
 
 function string.replacenewlines(str)
     return lpegmatch(pattern,str)