From 025f7bfee79d7817a876831bb19f34a2dfb1b2e2 Mon Sep 17 00:00:00 2001
From: Norbert Preining <norbert@preining.info>
Date: Tue, 19 Nov 2019 03:02:21 +0000
Subject: CTAN sync 201911190302

---
 macros/latex-dev/base/ltmiscen.dtx | 63 ++++++++++++++++++++++++++++----------
 1 file changed, 47 insertions(+), 16 deletions(-)

(limited to 'macros/latex-dev/base/ltmiscen.dtx')

diff --git a/macros/latex-dev/base/ltmiscen.dtx b/macros/latex-dev/base/ltmiscen.dtx
index 8cd6120751..f60a4090b6 100644
--- a/macros/latex-dev/base/ltmiscen.dtx
+++ b/macros/latex-dev/base/ltmiscen.dtx
@@ -32,7 +32,7 @@
 %<*driver>
 % \fi
 \ProvidesFile{ltmiscen.dtx}
-             [2019/08/29 v1.1p LaTeX Kernel (Misc. Environments)]
+             [2019/11/02 v1.1s LaTeX Kernel (Misc. Environments)]
 % \iffalse
 \documentclass{ltxdoc}
 \GetFileInfo{ltmiscen.dtx}
@@ -370,17 +370,7 @@
 %    percent. The result is saved in \cs{@temptokena} for later use.
 % \changes{v1.1n}{2018/09/26}{Sometimes mask the endline char when
 %    writing to files (github/73)}
-%    \begin{macrocode}
-\begingroup
-\catcode`\%=12
-%    \end{macrocode}
-%    \texttt{latexrelease} will read this code in high-speed
-%    mode in certain situations. During that it will only look for
-%    \cs{if} tests but not actually execute the \cs{catcode} change
-%    above. As a result it will drop anything after the |%| character
-%    in the definition. Therefore the |\fi| needs to be on the next
-%    line and we need locally another comment character to avoid
-%    getting spaces into the definition---a weird problem :-)
+%
 %    \begin{macrocode}
 \catcode`\^^A=9 
 \long\gdef\add@percent@to@temptokena
@@ -390,13 +380,34 @@
 %   the beginning, so that in case the tokenlist consists of a single brace
 %   group the braces aren't stripped. The |\expandafter| then expands
 %   this extra token away again.
+% \changes{v1.1q}{2019/10/25}{Allow unbalanced conditionals in \texttt{\#1} (gh/202)}
+% \changes{v1.1r}{2019/11/10}{fix to special comment catcodes (gh/202)}
+%    \begin{macrocode}
+    {\expandafter\ifx\expandafter X\detokenize{#2}X\expandafter\dont@add@percent@to@temptokena\else
+             \expandafter\do@add@percent@to@temptokena\fi{#1}}
+%    \end{macrocode}
+%    
 %    \begin{macrocode}
-    {\ifx!#2!\@temptokena\expandafter{#1}\else
-             \@temptokena\expandafter{#1%^^A
+\long\def\dont@add@percent@to@temptokena#1{%
+  \@temptokena\expandafter{#1}}
+%    \end{macrocode}
+%    \texttt{latexrelease} will read this code in high-speed
+%    mode in certain situations. During that it will only look for
+%    \cs{if} tests but not actually execute the \cs{catcode} change
+%    above. As a result it will drop anything after the |%| character
+%    in the definition. Therefore the |\fi| needs to be on the next
+%    line and we need locally another comment character to avoid
+%    getting spaces into the definition---a weird problem :-)
+%    
+%    \begin{macrocode}
+\begingroup
+\catcode`\%=12
+\catcode`\^^A=14
+\long\gdef\do@add@percent@to@temptokena#1{\@temptokena\expandafter{#1%^^A
 %    \end{macrocode}
 %    Can't be on the same line as the |%| --- see above.
 %    \begin{macrocode}
-      }\fi}
+  }}
 \endgroup
 %    \end{macrocode}
 %  \end{macro}
@@ -432,6 +443,8 @@
 %<latexrelease>                 {\protected@file@percent}{Mask line endings}%
 %<latexrelease>\let\protected@file@percent\@undefined
 %<latexrelease>\let\add@percent@to@temptokena\@undefined
+%<latexrelease>\let\do@add@percent@to@temptokena\@undefined
+%<latexrelease>\let\dont@add@percent@to@temptokena\@undefined
 %<latexrelease>\long\def\@writefile#1#2{%
 %<latexrelease>  \@ifundefined{tf@#1}\relax
 %<latexrelease>    {\@temptokena{#2}%
@@ -693,9 +706,27 @@
 % \begin{macro}{\@centercr}
 % \changes{v1.0h}{1994/05/03}{\cs{@badcrerr} replaced by \cs{@nolnerr}}
 % \changes{v1.0z}{1995/07/13}{Use \cs{nobreak}}
+% \changes{v1.1s}{2019/11/02}{Make \cs{@centercr} robust (gh/203)}
 %    \begin{macrocode}
-\def\@centercr{\ifhmode \unskip\else \@nolnerr\fi
+%</2ekernel>
+%<*2ekernel|latexrelease>
+%<latexrelease>\IncludeInRelease{2020/02/01}%
+%<latexrelease>                 {\@centercr}{Make robust}%
+\protected\def\@centercr{\ifhmode \unskip\else \@nolnerr\fi
        \par\@ifstar{\nobreak\@xcentercr}\@xcentercr}
+%</2ekernel|latexrelease>
+%    \end{macrocode}
+%    
+%    \begin{macrocode}
+%<latexrelease>\EndIncludeInRelease
+%<latexrelease>\IncludeInRelease{0000/00/00}%
+%<latexrelease>                 {\@centercr}{Make robust}%
+%<latexrelease>
+%<latexrelease>\def\@centercr{\ifhmode \unskip\else \@nolnerr\fi
+%<latexrelease>       \par\@ifstar{\nobreak\@xcentercr}\@xcentercr}
+%<latexrelease>
+%<latexrelease>\EndIncludeInRelease
+%<*2ekernel>
 %    \end{macrocode}
 % \end{macro}
 %
-- 
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