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-rw-r--r--support/TeX4ht/source/tex4ht-4ht.tex8
1 files changed, 6 insertions, 2 deletions
diff --git a/support/TeX4ht/source/tex4ht-4ht.tex b/support/TeX4ht/source/tex4ht-4ht.tex
index c4f747005a..355df13c57 100644
--- a/support/TeX4ht/source/tex4ht-4ht.tex
+++ b/support/TeX4ht/source/tex4ht-4ht.tex
@@ -1,4 +1,4 @@
-% $Id: tex4ht-4ht.tex 1177 2022-07-16 09:21:43Z michal_h21 $
+% $Id: tex4ht-4ht.tex 1178 2022-07-24 17:04:30Z michal_h21 $
% tex tex4ht-4ht or ht tex tex4ht-4ht
%
% Copyright 2009-2022 TeX Users Group
@@ -23654,7 +23654,11 @@ This modification is needed since Stefan
\edef\:temp{\noexpand\@b:bitem{#1}}\@safe@activesfalse\:temp}
>>>
-\<bbl@redefinerobust\><<<
+
+I don't know what this code was meant to do in the past, but it fails
+with the current LaTeX. It is better to not use it.
+See \Link[https://tex.stackexchange.com/q/651631/2891]{}{} this issue\EndLink.
+\<not use bbl@redefinerobust\><<<
\def\:tempc#1{%
\edef\bbl@tempa{\expandafter\@gobble\string#1}%
\expandafter\ifx\csname \bbl@tempa\space\endcsname\relax