1 files changed, 36 insertions, 2 deletions
diff --git a/macros/latex/contrib/fancyhdr/fancyhdr.dtx b/macros/latex/contrib/fancyhdr/fancyhdr.dtx
index c20c966b8b..64810dd5cd 100644
--- a/macros/latex/contrib/fancyhdr/fancyhdr.dtx
+++ b/macros/latex/contrib/fancyhdr/fancyhdr.dtx
@@ -26,7 +26,7 @@
 %<fancyhdr>\ProvidesPackage{fancyhdr}%
 %<fancyheadings>\ProvidesPackage{fancyheadings}
 %<extramarks>\ProvidesPackage{extramarks}
-%<fancyhdr|extramarks>           [2024/07/23 v4.3.1
+%<fancyhdr|extramarks>           [2024/11/20 v4.4
 %<fancyhdr>                  Extensive control of page headers and footers]%
 %<fancyheadings>           [2022/11/09 v4.1
 %<fancyheadings>                  Legacy package to call fancyhdr]
@@ -3075,13 +3075,19 @@
 %     Therefore paragraph hooks will not work inside \Package{fancyhdr} headers and
 %     footers to avoid unwanted interactions with the main text.
 %   \end{itemize}
-% \item % Version 4.3.1, July 23, 2024
+% \item Version 4.3.1, July 23, 2024
 %   \begin{itemize}
 %   \item Also reset \cs{everypar} to its original \TeX{} value
 %     \cs{tex\_everypar:D} in \cs{f@nch@resetpar}, otherwise environments
 %     based on \cs{trivlist} will not work properly in \Package{fancyhdr}
 %     headers and footers.
 %   \end{itemize}
+% \item Version 4.4, Nov 20, 2024
+%   \begin{itemize}
+%   \item Add setting the new style marks for \cs{leftmark}
+%     (\texttt{2e-left}) and \cs{rightmark} (\texttt{2e-right} and
+%     \texttt{2e-right-nonempty}) in \Package{extramarks.sty}.
+%   \end{itemize}
 % \end{itemize}
 %
 %
@@ -4798,7 +4804,34 @@
 % \begin{macro}{\markboth}
 % Our own definition of \cs{markboth}, mainly because \cs{@markboth}
 % gets more parameters.
+% \changes{extramarks v4.4}{2024/11/20}{Add setting the new style marks
+% for \cs{leftmark} (\texttt{2e-left}) and \cs{rightmark}
+% (\texttt{2e-right} and \texttt{2e-right-nonempty}). We do this only if
+% the new marks are defined in the \LaTeX{} kernel.}
+% First the definition for modern \LaTeX{} distributions.
 %    \begin{macrocode}
+\ifdefined\ExplSyntaxOn
+\ExplSyntaxOn
+\DeclareRobustCommand*\markboth[2]{%
+  \begingroup
+    \let\label\relax \let\index\relax \let\glossary\relax
+    \expandafter\@markboth\@themark{#1}{#2}%
+    \@temptokena \expandafter{\@themark}%
+    \ifdefined\mark_insert:nn
+    % 3 new lines to set the new marks
+      \mark_insert:nn{2e-left}{#1}
+      \mark_insert:nn{2e-right}{#2}
+      \tl_if_empty:nF{#2}{ \mark_insert:nn{2e-right-nonempty}{#2} }
+    \fi
+    \mark{\the\@temptokena}%
+  \endgroup
+  \if@nobreak\ifvmode\nobreak\fi\fi}
+\ExplSyntaxOff
+%    \end{macrocode}
+% If we are with a pre-\LaTeX3 kernel, we use the definition from an
+% older version of \Package{extramarks}.
+%    \begin{macrocode}
+\else
 \def\markboth#1#2{%
   \begingroup
   \let\label\relax \let\index\relax \let\glossary\relax
@@ -4807,6 +4840,7 @@
   \mark{\the\@temptokena}%
   \endgroup
   \if@nobreak\ifvmode\nobreak\fi\fi}
+\fi
 %    \end{macrocode}
 % \end{macro}
 % \begin{macro}{\@mkboth}