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-rw-r--r--macros/latex/required/amscls/amsclass.dtx52
1 files changed, 24 insertions, 28 deletions
diff --git a/macros/latex/required/amscls/amsclass.dtx b/macros/latex/required/amscls/amsclass.dtx
index eb6abaf520..b070629d7a 100644
--- a/macros/latex/required/amscls/amsclass.dtx
+++ b/macros/latex/required/amscls/amsclass.dtx
@@ -1,6 +1,6 @@
% \def\filename{amsclass.dtx}
-% \def\fileversion{2.20.4}
-% \def\filedate{2017/10/31}
+% \def\fileversion{2.20.5}
+% \def\filedate{2020/05/21}
%
% \iffalse meta-comment
%
@@ -15,20 +15,13 @@
% fax: (401) 331-3842
% email: tech-support@ams.org
%
-% Copyright 1995, 1999, 2004, 2009, 2015-2017 American Mathematical Society.
-%
-% This work may be distributed and/or modified under the
-% conditions of the LaTeX Project Public License, either version 1.3c
-% of this license or (at your option) any later version.
-% The latest version of this license is in
-% http://www.latex-project.org/lppl.txt
-% and version 1.3c or later is part of all distributions of LaTeX
-% version 2005/12/01 or later.
-%
-% This work has the LPPL maintenance status `maintained'.
-%
-% The Current Maintainer of this work is the American Mathematical
-% Society.
+% Copyright 1995, 1999, 2004, 2009, 2015, 2017, 2020 American
+% Mathematical Society.
+%
+% Unlimited copying and redistribution of this file are permitted as
+% long as this file is not modified. Modifications, and distribution
+% of modified versions, are permitted, but only if the resulting file
+% is renamed.
%
% \fi
%
@@ -82,13 +75,13 @@
\NeedsTeXFormat{LaTeX2e}% LaTeX 2.09 can't be used (nor non-LaTeX)
[1995/06/01]% LaTeX date must be June 1995 or later
%<*amsart>
-\ProvidesClass{amsart}[2017/10/31 v2.20.4]
+\ProvidesClass{amsart}[2020/05/21 v2.20.5]
%</amsart>
%<*amsproc>
-\ProvidesClass{amsproc}[2017/10/31 v2.20.4]
+\ProvidesClass{amsproc}[2020/05/21 v2.20.5]
%</amsproc>
%<*amsbook>
-\ProvidesClass{amsbook}[2017/10/31 v2.20.4]
+\ProvidesClass{amsbook}[2020/05/21 v2.20.5]
%</amsbook>
% \end{macrocode}
% For \pkg{amsthm} we need to guard against redundant loading via
@@ -105,7 +98,7 @@
\csname ver@\@currname.\@currext\endcsname
%</classes>
%<*amsthm>
-\ProvidesPackage{amsthm}[2017/10/31 v2.20.4]
+\ProvidesPackage{amsthm}[2020/05/21 v2.20.5]
%</amsthm>
% \end{macrocode}
%
@@ -1496,13 +1489,13 @@
% To allow various versions of the subject classification, accept an
% optional value to identify the version, provide text for the two
% currently in use, and give a warning if the version specified is
-% unknown. Default to 1991 version. [bnb, 1999/04/30]
+% unknown. Default to 2020 version.
% \begin{macrocode}
-\newcommand*\subjclass[2][1991]{%
+\newcommand*\subjclass[2][2020]{%
\def\@subjclass{#2}%
\@ifundefined{subjclassname@#1}{%
\ClassWarning{\@classname}{Unknown edition (#1) of Mathematics
- Subject Classification; using '1991'.}%
+ Subject Classification; using '2020'.}%
}{%
\@xp\let\@xp\subjclassname\csname subjclassname@#1\endcsname
}%
@@ -2018,23 +2011,26 @@
\newcommand{\abstractname}{Abstract}
\newcommand{\keywordsname}{Key words and phrases}
% \end{macrocode}
-% For now, support just the two most recent versions; earlier versions
+% Support the most recent versions. Earlier, unsupported versions
% were:
% \begin{itemize}
% \item \textup{1980} Mathematics Subject Classification
% \item \textup{1980} Mathematics Subject Classification
% \textup{(1985} Revision\textup{)}
% \end{itemize}
-% Default to the 1991 edition, as that's what is in production at the
-% time this change is made. [bnb, 1999/04/30]
% \begin{macrocode}
-\newcommand{\subjclassname}{%
+\@namedef{subjclassname@1991}{%
\textup{1991} Mathematics Subject Classification}
-\@xp\let\csname subjclassname@1991\endcsname \subjclassname
\@namedef{subjclassname@2000}{%
\textup{2000} Mathematics Subject Classification}
\@namedef{subjclassname@2010}{%
\textup{2010} Mathematics Subject Classification}
+\@namedef{subjclassname@2020}{%
+ \textup{2020} Mathematics Subject Classification}
+% \end{macrocode}
+% Default to the 2020 edition.
+% \begin{macrocode}
+\@xp\let\@xp\subjclassname\csname subjclassname@2020\endcsname
% \end{macrocode}
% For the date we have a special little problem: We only want to add
% the `Received by the editors' text for publication-specific