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-rw-r--r--macros/latex-dev/base/ltmath.dtx15
1 files changed, 11 insertions, 4 deletions
diff --git a/macros/latex-dev/base/ltmath.dtx b/macros/latex-dev/base/ltmath.dtx
index 36b8bb7ec4..58ca26b4a5 100644
--- a/macros/latex-dev/base/ltmath.dtx
+++ b/macros/latex-dev/base/ltmath.dtx
@@ -1,6 +1,6 @@
% \iffalse meta-comment
%
-% Copyright (C) 1993-2020
+% Copyright (C) 1993-2021
% The LaTeX3 Project and any individual authors listed elsewhere
% in this file.
%
@@ -38,7 +38,7 @@
%<*driver>
% \fi
\ProvidesFile{ltmath.dtx}
- [2020/07/27 v1.2g LaTeX Kernel (Math Setup)]
+ [2020/12/05 v1.2h LaTeX Kernel (Math Setup)]
% \iffalse
%</driver>
%
@@ -529,7 +529,7 @@
%
% Originally \LaTeX{} only provided a small set of spacing commands
% for use in text and math, some of the commands like \cs{;} were
-% only supported in manth mode. \texttt{amsmath} normalized and
+% only supported in math mode. \texttt{amsmath} normalized and
% provided all of them in text and math. This code has now been
% moved to the kernel so that it is generally available.
%
@@ -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}
@@ -1094,7 +1101,7 @@
% To put the equation number on the left side of an equation we
% have to use a little trick. The number is shifted |\displaywidth|
% to the left inside a box of (approximately) zero width. This
-% fails when the quation is too wide, the equation number than may
+% fails when the equation is too wide, the equation number than may
% overprint the equation itself.
% \changes{v1.2y classes}{1995/01/12}{Added \cs{normalcolor}}
% \changes{v1.3c classes}{1995/05/25}