[tex4ht-commits] [SCM] tex4ht updated: r1012 - trunk/lit

[Michal Hoftich]

Author: michal_h21
Date: 2021-11-19 09:35:54 +0000 (Fri, 19 Nov 2021)
New Revision: 1012

Modified:
   trunk/lit/ChangeLog
   trunk/lit/tex4ht-mathjax.tex
Log:
use latex 3 commands for \VerbMath

Modified: trunk/lit/ChangeLog
===================================================================
--- trunk/lit/ChangeLog	2021-11-09 09:00:24 UTC (rev 1011)
+++ trunk/lit/ChangeLog	2021-11-19 09:35:54 UTC (rev 1012)
@@ -1,3 +1,8 @@
+2021-11-19  Michal Hoftich  <michal.h21 at gmail.com>
+
+	* tex4ht-mathjax.tex (mathjax-latex-4ht.4ht): use LaTeX 3 commands in
+	\VerbMath, this enables us to remove dependency on external packages.
+
 2021-11-09  Michal Hoftich  <michal.h21 at gmail.com>
 
 	* tex4ht-html4.tex (html4.4ht): added CSS declaration that enables table row

Modified: trunk/lit/tex4ht-mathjax.tex
===================================================================
--- trunk/lit/tex4ht-mathjax.tex	2021-11-09 09:00:24 UTC (rev 1011)
+++ trunk/lit/tex4ht-mathjax.tex	2021-11-19 09:35:54 UTC (rev 1012)
@@ -29,8 +29,10 @@
 \endinput
 >>>
 
+We don't require additional packages anymore, as everything necessary is included
+in LaTeX kernel now.
+% \RequirePackage{etoolbox,expl3,environ}
 \<required packages\><<<
-\RequirePackage{etoolbox,expl3,environ}
 >>>
 
 The \verb|\alteqtoks| command saves the used command in HTML. It uses detokenize command
@@ -60,6 +62,8 @@
   \regex_replace_all:nnN { \x{26} } { & } \l_tmpa_tl
   \regex_replace_all:nnN { \x{3C} } { < } \l_tmpa_tl 
   \regex_replace_all:nnN { \x{3E} } { > } \l_tmpa_tl
+  % replace \par command with blank lines
+  \regex_replace_all:nnN { \x{5C}par } {\x{A}\x{A}} \l_tmpa_tl
   \tl_set:Nx \l_tmpb_tl{ \l_tmpa_tl }
   \HCode{\l_tmpb_tl}
 }
@@ -90,13 +94,21 @@
     #1
   \end{#2}}%
 }
+>>>
+
+The \verb|\VerbMath| command redefines environments to pass their content
+verbatim to the HTML output.
+
+\<defined commands\><<<
+\ExplSyntaxOn
 \newcommand\VerbMath[1]{%
-\ifcsdef{#1}{%
-  \RenewEnviron{#1}{%
-  \NoFonts\expandafter\VerbMathToks\expandafter{\BODY}{#1}\EndNoFonts%
-  }
-}{}%
+  \cs_if_exist:cTF{#1}{
+    \RenewDocumentEnvironment{#1}{+!b}{%
+      \NoFonts\expandafter\VerbMathToks\expandafter{##1}{#1}\EndNoFonts%
+    }{}
+  }{}%
 }
+\ExplSyntaxOff
 >>>
 
 The \verb|\fixmathjaxtoc| command is used for patching commands which should