add support for authors in amsart.cls

latex3 · Jan 21, 2024 · 03c835b · 03c835b
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diff --git a/required/latex-lab/changes.txt b/required/latex-lab/changes.txt
@@ -1,3 +1,6 @@
+2024-01-18 Ulrike Fischer <[email protected]> 
+	* latex-lab-firstaid.dtx: add support for \authors from amsart.
+
 2024-01-18 Ulrike Fischer <[email protected]> 
 	* latex-lab-title.dtx: make \@title and \@author robust to avoid errors
 	if they are not set.

diff --git a/required/latex-lab/latex-lab-firstaid.dtx b/required/latex-lab/latex-lab-firstaid.dtx
@@ -16,8 +16,8 @@
 %
 % for those people who are interested or want to report an issue.
 %
-\def\ltlabfirstaiddate{2023-07-20}
-\def\ltlabfirstaidversion{0.85a}
+\def\ltlabfirstaiddate{2024-01-21}
+\def\ltlabfirstaidversion{0.85b}
 %<*driver>
 \documentclass{l3doc}
 \EnableCrossrefs
@@ -64,7 +64,17 @@
    \ltlabfirstaiddate\space v\ltlabfirstaiddate\space
    Temporary patches to external packages needed for the tagging project]
 %    \end{macrocode}
-
+% \subsection{ams classes}
+% The amsart and amsbook classes do not use \cs{@author} to store the author list
+% but a command \cs{authors}. To be able to nevertheless use the authors in the
+% xmp-metadata we map \cs{@author} to this new command. 
+% 
+%    \begin{macrocode}
+\AddToHook{class/amsart/after}
+ {\def\@author{\authors}}
+\AddToHook{class/amsbook/after}
+ {\def\@author{\authors}}
+%    \end{macrocode}
 % \subsection{blindtext}
 % The blindtext package generates lists with nested \cs{loop} command.
 % The inner loop introduces a group around the list which error when lists are tagged

diff --git a/required/latex-lab/testfiles-firstaid/test-amsart-title.pvt b/required/latex-lab/testfiles-firstaid/test-amsart-title.pvt
@@ -0,0 +1,30 @@
+\ExplSyntaxOn
+\debug_on:n { check-declarations , deprecation } \sys_gset_rand_seed:n{1000} 
+\ExplSyntaxOff
+\DocumentMetadata{testphase={phase-III,title,firstaid},pdfstandard=a-4,pdfversion=2.0}
+\input{regression-test}
+\documentclass{amsart}
+
+\title{Testing tagging amsart}
+\author{Ulrike Fischer}
+\author{Author B}
+
+\begin{document}
+\START\showoutput 
+
+\maketitle 
+
+\begin{abstract}
+Articles in amsart can be easily tagged \cite{bibentry} 
+
+\end{abstract}
+
+\section{A short history of the project}
+
+bla
+
+\begin{thebibliography}{99}
+
+\bibitem{bibentry} study ...
+\end{thebibliography}
+\end{document}