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-rw-r--r--macros/latex-dev/required/amsmath/amsmath.dtx9
1 files changed, 5 insertions, 4 deletions
diff --git a/macros/latex-dev/required/amsmath/amsmath.dtx b/macros/latex-dev/required/amsmath/amsmath.dtx
index 7f324700f6..8857861101 100644
--- a/macros/latex-dev/required/amsmath/amsmath.dtx
+++ b/macros/latex-dev/required/amsmath/amsmath.dtx
@@ -2,7 +2,7 @@
% \iffalse meta-comment
%
% Copyright (C) 1995, 2000, 2013 American Mathematical Society.
-% Copyright (C) 2016-2020 LaTeX3 Project and American Mathematical Society.
+% Copyright (C) 2016-2021 LaTeX Project and American Mathematical Society.
%
% This work may be distributed and/or modified under the
% conditions of the LaTeX Project Public License, either version 1.3c
@@ -14,7 +14,7 @@
%
% This work has the LPPL maintenance status `maintained'.
%
-% The Current Maintainer of this work is the LaTeX3 Project.
+% The Current Maintainer of this work is the LaTeX Project.
%
% \fi
%
@@ -86,7 +86,7 @@ Bug reports can be opened (category \texttt{#1}) at\\%
% \end{macrocode}
%
% \begin{macrocode}
-\ProvidesPackage{amsmath}[2020/09/23 v2.17i AMS math features]
+\ProvidesPackage{amsmath}[2021/04/20 v2.17j AMS math features]
% \end{macrocode}
%
% \section{Catcode defenses}
@@ -2752,8 +2752,9 @@ ill-advised in LaTeX.%
% \textit{u} template of the current column if the author ended the
% current row with an empty column (i.e., the mathcr was immediately
% preceded by an ampersand).
+% \changes{v2.17j}{2021/04/20}{Use \cs{protected} for \cs{\bslash} variant (gh/548)}
% \begin{macrocode}
-\def\math@cr{\relax\iffalse{\fi\ifnum0=`}\fi
+\protected\def\math@cr{\relax\iffalse{\fi\ifnum0=`}\fi
% \end{macrocode}
% The first step is now to check whether an asterisk follows.
% \cs{@eqpen} is used to hold the penalty value to be put on