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-rw-r--r--Master/texmf-dist/source/latex/base/ifthen.dtx19
1 files changed, 14 insertions, 5 deletions
diff --git a/Master/texmf-dist/source/latex/base/ifthen.dtx b/Master/texmf-dist/source/latex/base/ifthen.dtx
index acb5cf19670..d36042990d4 100644
--- a/Master/texmf-dist/source/latex/base/ifthen.dtx
+++ b/Master/texmf-dist/source/latex/base/ifthen.dtx
@@ -1,6 +1,6 @@
% \iffalse meta-comment
%
-% Copyright (C) 1993-2021
+% Copyright (C) 1993-2022
% The LaTeX Project and any individual authors listed elsewhere
% in this file.
%
@@ -42,7 +42,7 @@
%<driver>\ProvidesFile{ifthen.drv}
% \fi
% \ProvidesFile{ifthen.dtx}
- [2020/11/24 v1.1c Standard LaTeX ifthen package (DPC)]
+ [2022/04/13 v1.1d Standard LaTeX ifthen package (DPC)]
%
% \iffalse
%<*driver>
@@ -80,6 +80,7 @@
% \changes{v1.0k}{1995/04/25}{Fix `driver' docstrip guards.}
% \changes{v1.0n}{1997/11/03}{Documentation fix.}
% \changes{v1.0o}{1998/08/17}{Documentation fix.}
+% \changes{v1.1d}{2022/04/13}{Make reference command locally expandable.}
%
% \section{Introduction}
%
@@ -164,7 +165,7 @@
% With \meta{test} as above, repeatedly executes \meta{while clause}
% while the test remains true.
%
-% \StopEventually{}
+% \MaybeStop{}
%
% \section{The Implementation}
%
@@ -263,6 +264,14 @@
% macros expanding to |T| or |F| has been completely replaced by a
% simpler system using |\iftrue|, which furthermore allows lazy
% evaluation on the second pass.
+% With a LaTeX 2022/06/01 we have to ensure that |\pageref| is expandable.
+% \begin{macrocode}
+\@ifl@t@r\fmtversion{2022/06/01}
+ {\def\TE@ref@exp{\let\pageref\@kernel@pageref@exp
+ \let\ref\@kernel@ref@exp}}
+ {\def\TE@ref@exp{\def\@setref##1##2##3{%
+ \ifx##1\relax\z@\else\expandafter##2##1\fi}}}
+% \end{macrocode}
% \begin{macrocode}
\long\def\ifthenelse#1{%
% \end{macrocode}
@@ -295,11 +304,11 @@
% \changes{v1.0l}{1996/03/22}
% {Use \cs{begingroup} not \cs{bgroup} for latex/2105}
% \changes{v1.1a}{1999/01/07}{\cs{isundefined} added for /2824}
+% \changes{v1.1d}{2022/04/13}{changed method to make \cs{pageref} and \cs{ref} locally expandable.}
% \begin{macrocode}
\begingroup
\let\protect\@unexpandable@protect
- \def\@setref##1##2##3{%
- \ifx##1\relax\z@\else\expandafter##2##1\fi}%
+ \TE@ref@exp
\def\value##1{\the\csname c@##1\endcsname}%
\let\equal\TE@equal \let\(\TE@lparen \let\)\TE@rparen
\let\isodd\TE@odd \let\lengthtest\TE@length