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-rw-r--r--macros/latex/base/ltmath.dtx9
1 files changed, 8 insertions, 1 deletions
diff --git a/macros/latex/base/ltmath.dtx b/macros/latex/base/ltmath.dtx
index 36b8bb7ec4..770367c8a3 100644
--- a/macros/latex/base/ltmath.dtx
+++ b/macros/latex/base/ltmath.dtx
@@ -38,7 +38,7 @@
%<*driver>
% \fi
\ProvidesFile{ltmath.dtx}
- [2020/07/27 v1.2g LaTeX Kernel (Math Setup)]
+ [2020/11/09 v1.2h LaTeX Kernel (Math Setup)]
% \iffalse
%</driver>
%
@@ -593,6 +593,13 @@
%<latexrelease>\def\;{\mskip\thickmuskip}
%<latexrelease>\def\!{\mskip-\thinmuskip}
%<latexrelease>
+% \end{macrocode}
+% \changes{v1.2h}{2020/11/09}{\cs{negmedspace} and \cs{negthickspace}
+% have been only in amsmath, so we need to undefine for rollback (gh/423)}
+% \begin{macrocode}
+%<latexrelease>\let\negmedspace\@undefined
+%<latexrelease>\let\negthickspace\@undefined
+%<latexrelease>
%<latexrelease>\EndIncludeInRelease
%<*2ekernel>
% \end{macrocode}