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-rw-r--r--support/TeX4ht/source/tex4ht-sty.tex11
1 files changed, 10 insertions, 1 deletions
diff --git a/support/TeX4ht/source/tex4ht-sty.tex b/support/TeX4ht/source/tex4ht-sty.tex
index 02b759ca68..4e64265ba4 100644
--- a/support/TeX4ht/source/tex4ht-sty.tex
+++ b/support/TeX4ht/source/tex4ht-sty.tex
@@ -1,4 +1,4 @@
-% $Id: tex4ht-sty.tex 1171 2022-07-05 21:29:31Z karl $
+% $Id: tex4ht-sty.tex 1181 2022-08-04 17:27:58Z michal_h21 $
% tex tex4ht-sty or ht tex tex4ht-sty
%
% Copyright 2009-2022 TeX Users Group
@@ -2224,6 +2224,15 @@ tags that in the meantime are created by the system.
\catcode`\%|=12 \def\prcnt:ch{%} \catcode`\%|=14
>>>
+I don't know what this code is supposed to do, but it can produce
+fatal errors when \''\%' is used inside of title, captions or sections.
+See \Link[https://tex.stackexchange.com/q/652848/2891]{}{}
+this question on TeX.sx for an example\EndLink.
+
+But when I remove it, the compilation process of TeX4ht sources fails,
+so we will need to revert to the original version of the percent command
+probably in latex.4ht.
+
\<html utilities\><<<
\catcode`\%|=12 \def\%{%} \catcode`\%|=14
>>>