lua-widow-control (22feb22)

git-svn-id: svn://tug.org/texlive/trunk@62144 c570f23f-e606-0410-a88d-b1316a301751

2 files changed, 87 insertions, 6 deletions

diff --git a/Master/texmf-dist/tex/context/third/lua-widow-control/t-lua-widow-control.mkiv b/Master/texmf-dist/tex/context/third/lua-widow-control/t-lua-widow-control.mkiv
new file mode 100644
index 00000000000..6eff5c9b00c
--- /dev/null
+++ b/Master/texmf-dist/tex/context/third/lua-widow-control/t-lua-widow-control.mkiv
@@ -0,0 +1,77 @@
+%D \module
+%D   [     file=t-lua-widow-control,
+%D      version=1.1.6, %%version
+%D        title=lua-widow-control,
+%D     subtitle=\ConTeXt module for lua-widow-control,
+%D       author=Max Chernoff,
+%D         date=2022-02-22, %%date
+%D    copyright=Max Chernoff,
+%D      license=MPL-2.0+,
+%D          url=https://github.com/gucci-on-fleek/lua-widow-control]
+\startmodule[lua-widow-control]
+\unprotect
+
+\installnamespace{lwc}
+
+\installcommandhandler \????lwc {lwc} \????lwc
+
+\newdimen\lwcemergencystretch
+\appendtoks
+    \lwcemergencystretch=\lwcparameter{emergencystretch}
+\to\everysetuplwc
+
+\appendtoks
+    \doifelse{\lwcparameter{\c!state}}\v!start{
+        \ctxlua{lwc.enable_callbacks()}
+    }{
+        \ctxlua{lwc.disable_callbacks()}
+    }
+\to\everysetuplwc
+
+\define\iflwc{\ctxlua{lwc.if_lwc_enabled()}}
+
+\ctxloadluafile{lua-widow-control}
+
+\setuplwc[emergencystretch=3em, \c!state=\v!start]
+
+% We can't just set the penalties because they will be reset automatically
+% at \\starttext.
+\startsetups[*default]
+    \clubpenalty=1
+    \widowpenalty=1
+    \displaywidowpenalty=0
+    \interlinepenalty=0
+    \brokenpenalty=0
+\stopsetups
+
+\setups[*default]
+
+% Here, we enable font expansion/contraction. It isn't strictly necessary for
+% \lwc/'s functionality; however, it is required for the
+% lengthened paragraphs to not have terrible spacing. 
+\definefontfeature[default][default][expansion=quality]
+\setupalign[hz]
+
+% Expansion of some parts of the document, such as section headings, is quite
+% undesirable, so we'll disable \lwc/ for certain commands.
+% We should only reenable \lwc/ at the end if it was already enabled.
+\newif\iflwc@should@reenable
+
+\define\lwc@patch@pre{%
+    \iflwc%
+        \lwc@should@reenabletrue%
+        \setuplwc[state=stop]%
+    \else%
+        \lwc@should@reenablefalse
+    \fi%
+}
+
+\define\lwc@patch@post{\iflwc@should@reenable%
+    \setuplwc[state=start]%
+\fi}
+
+\prependtoks\lwc@patch@pre\to\everybeforesectionheadhandle % Sectioning
+\prependtoks\lwc@patch@post\to\everyaftersectionheadhandle
+
+\protect
+\stopmodule
diff --git a/Master/texmf-dist/tex/context/third/lua-widow-control/t-lua-widow-control.mkxl b/Master/texmf-dist/tex/context/third/lua-widow-control/t-lua-widow-control.mkxl
index b38d6eda018..6eff5c9b00c 100644
--- a/Master/texmf-dist/tex/context/third/lua-widow-control/t-lua-widow-control.mkxl
+++ b/Master/texmf-dist/tex/context/third/lua-widow-control/t-lua-widow-control.mkxl
@@ -1,10 +1,10 @@
 %D \module
 %D   [     file=t-lua-widow-control,
-%D      version=1.1.5, %%version
+%D      version=1.1.6, %%version
 %D        title=lua-widow-control,
 %D     subtitle=\ConTeXt module for lua-widow-control,
 %D       author=Max Chernoff,
-%D         date=2022-02-15, %%date
+%D         date=2022-02-22, %%date
 %D    copyright=Max Chernoff,
 %D      license=MPL-2.0+,
 %D          url=https://github.com/gucci-on-fleek/lua-widow-control]
@@ -57,10 +57,14 @@
 % We should only reenable \lwc/ at the end if it was already enabled.
 \newif\iflwc@should@reenable
 
-\define\lwc@patch@pre{\iflwc%
-    \lwc@should@reenabletrue%
-    \setuplwc[state=stop]%
-\fi}
+\define\lwc@patch@pre{%
+    \iflwc%
+        \lwc@should@reenabletrue%
+        \setuplwc[state=stop]%
+    \else%
+        \lwc@should@reenablefalse
+    \fi%
+}
 
 \define\lwc@patch@post{\iflwc@should@reenable%
     \setuplwc[state=start]%