[tex4ht-commits] [SCM] tex4ht updated: r1014 - trunk/lit

[Michal Hoftich]

Author: michal_h21
Date: 2021-11-23 16:46:25 +0000 (Tue, 23 Nov 2021)
New Revision: 1014

Modified:
   trunk/lit/ChangeLog
   trunk/lit/tex4ht-4ht.tex
Log:
protect redefinitions of \( and \)

Modified: trunk/lit/ChangeLog
===================================================================
--- trunk/lit/ChangeLog	2021-11-23 14:57:55 UTC (rev 1013)
+++ trunk/lit/ChangeLog	2021-11-23 16:46:25 UTC (rev 1014)
@@ -3,6 +3,9 @@
 	* tex4ht-4ht.tex (tcolorbox.4ht): add destinations for \label to Tcolorbox
 	environments.
 	https://tex.stackexchange.com/a/623697/2891
+	* tex4ht-4ht.tex (latex.4ht): protect redefinitions of \( and \), so they
+	work correctly in sectioning commands with MathML.
+	https://github.com/michal-h21/make4ht/issues/52#issuecomment-976835368
 
 2021-11-19  Michal Hoftich  <michal.h21 at gmail.com>
 

Modified: trunk/lit/tex4ht-4ht.tex
===================================================================
--- trunk/lit/tex4ht-4ht.tex	2021-11-23 14:57:55 UTC (rev 1013)
+++ trunk/lit/tex4ht-4ht.tex	2021-11-23 16:46:25 UTC (rev 1014)
@@ -7487,8 +7487,8 @@
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%55
 
 \<latex,sty math del\><<<
-  \def\({\leavevmode\st:math}
-  \def\){\ed:math}
+  \protected\def\({\leavevmode\st:math}
+  \protected\def\){\ed:math}
 \NewConfigure{()}[2]{\def\st:math{#1}\def\ed:math{#2}}
   \def\[{\st:Math}
   \def\]{\ed:Math}
@@ -7524,9 +7524,13 @@
 >>>
 
 \<protect (...) math\><<<
-\pend:def\({\bgroup\let\a:mth|=\empty
-   \let\b:mth|=\empty  \let\c:mth|=\empty }%
-\append:def\){\egroup}%
+\let\orig:smath\(
+\let\orig:emath\)
+\protected\def\:tempa{\bgroup\let\a:mth\empty
+   \let\b:mth\empty  \let\c:mth\empty\orig:smath}
+\let\(\:tempa
+\protected\def\:tempa{\orig:emath\egroup}
+\let\)\:tempa
 >>>
 
 \<protect [...] math\><<<