diff options
Diffstat (limited to 'Master/texmf-dist/source/latex/amsmath/amsmath.dtx')
-rw-r--r-- | Master/texmf-dist/source/latex/amsmath/amsmath.dtx | 51 |
1 files changed, 30 insertions, 21 deletions
diff --git a/Master/texmf-dist/source/latex/amsmath/amsmath.dtx b/Master/texmf-dist/source/latex/amsmath/amsmath.dtx index 11b7545c266..42f3088867d 100644 --- a/Master/texmf-dist/source/latex/amsmath/amsmath.dtx +++ b/Master/texmf-dist/source/latex/amsmath/amsmath.dtx @@ -2,7 +2,7 @@ % \iffalse meta-comment % % Copyright (C) 1995, 2000, 2013 American Mathematical Society. -% Copyright (C) 2016-2019 LaTeX3 Project and American Mathematical Society. +% Copyright (C) 2016-2020 LaTeX3 Project and American Mathematical Society. % % This work may be distributed and/or modified under the % conditions of the LaTeX Project Public License, either version 1.3c @@ -11,9 +11,9 @@ % https://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 LaTeX3 Project. % % \fi @@ -86,7 +86,7 @@ Bug reports can be opened (category \texttt{#1}) at\\% % \end{macrocode} % % \begin{macrocode} -\ProvidesPackage{amsmath}[2019/11/16 v2.17d AMS math features] +\ProvidesPackage{amsmath}[2020/01/20 v2.17e AMS math features] % \end{macrocode} % % \section{Catcode defenses} @@ -302,10 +302,13 @@ For additional information on amsmath, use the \lq ?\rq\space option.% % \end{macrocode} % % Processing to handle the \opt{cmex10} option is a little tricky -% because of different possible loading orders for \pkg{amsmath} and -% \pkg{amsfonts}. The package \pkg{amsmath} sets the \cs{cmex@opt} -% flag to 7 or 10, and the package \pkg{amsfonts} sets the flag to 1 -% or 0. +% because of different possible loading orders for \pkg{amsmath} +% and \pkg{amsfonts}. The package \pkg{amsmath} sets the +% \cs{cmex@opt} flag to 0, 7 or 10, and in the past the package +% \pkg{amsfonts} did set the flag to 1 or 0. These days it always +% sets it to 10. The situation is a bit unsettled but we don't own +% \pkg{amsfonts}. +% \changes{v2.17d}{2019/12/01}{docu update, no code change (gh/200)} % \begin{macrocode} \ifnum\cmex@opt=7 \relax \DeclareFontShape{OMX}{cmex}{m}{n}{% @@ -517,9 +520,13 @@ For additional information on amsmath, use the \lq ?\rq\space option.% \@xp\@tempa\vert\@empty\@nil \ifnum\@tempcnta>\z@ \advance\@tempcnta "4000000 - \xdef\lvert{\delimiter\number\@tempcnta\space } +% \end{macrocode} +% Use \cs{protected} on the new delimiters. +% \changes{v2.17e}{2020/01/20}{Make delimiters robust (gh/251))} +% \begin{macrocode} + \protected\xdef\lvert{\delimiter\number\@tempcnta\space } \advance\@tempcnta "1000000 - \xdef\rvert{\delimiter\number\@tempcnta\space } + \protected\xdef\rvert{\delimiter\number\@tempcnta\space } \else \ifx\@@undefined\lvert % Fall back to cmex encoding since we don't know what else to do. @@ -532,9 +539,9 @@ For additional information on amsmath, use the \lq ?\rq\space option.% \@xp\@tempa\Vert\@empty\@nil \ifnum\@tempcnta>\z@ \advance\@tempcnta "4000000 - \xdef\lVert{\delimiter\number\@tempcnta\space } + \protected\xdef\lVert{\delimiter\number\@tempcnta\space } \advance\@tempcnta "1000000 - \xdef\rVert{\delimiter\number\@tempcnta\space } + \protected\xdef\rVert{\delimiter\number\@tempcnta\space } \else \ifx\@@undefined\lVert \DeclareMathDelimiter{\lVert} @@ -645,13 +652,13 @@ Foreign command \@backslashchar#1;\MessageBreak % \end{macrocode} % % \begin{macrocode} -\else +\else % \end{macrocode} % XeTeX version % \begin{macrocode} \def\genfrac@rule#1#2#3#4{% \hbox{$\left#1\vcenter{\hrule \@width\z@ - \@height + \@height \ifdim\fontdimen#2#3\tw@=\z@ #4\fontdimen6#3\tw@ \else @@ -697,7 +704,7 @@ Foreign command \@backslashchar#1;\MessageBreak % \begin{macrocode} \def\genfrac@rule#1#2#3{% \hbox{$\left#1\vcenter{\hrule \@width\z@ - \@height + \@height \ifdim\Umathfractiondelsize#2=\z@ #3\fontdimen6#3\tw@ \else @@ -1093,7 +1100,7 @@ Foreign command \@backslashchar#1;\MessageBreak % \changes{v2.15}{2016/02/20}{Indent \cs{mdots@@} for readability and add additional tests} % \begin{macrocode} \def\mdots@@{\gdef\thedots@{\dotso@}% - \ifx\@let@token\boldsymbol + \ifx\@let@token\boldsymbol \gdef\thedots@\boldsymbol{\boldsymboldots@}% \else \ifx,\@let@token \gdef\thedots@{\dotsc}% @@ -1167,7 +1174,7 @@ Foreign command \@backslashchar#1;\MessageBreak % \begin{macrocode} \fi % end macro \ifgtest@ test (no else) \fi % end if \Umathchar test - \fi % end \math@ \ifgtest@ + \fi % end \math@ \ifgtest@ \fi % end \keybin@ \ifgtest@ test (no else) \fi % end if \not (no else) \fi % end if comma (no else) @@ -3190,9 +3197,10 @@ ill-advised in LaTeX.% % \end{macro} % % \begin{macro}{\ifst@rred} -% The switch |st@rred| is set to true by all starred -% environments -% and set to false by the unstarred versions. +% The switch |st@rred| is set to true by all starred environments +% and set to false by the unstarred versions. +% One exception is the \env{xxalignat} environment where this is set +% to true. % \begin{macrocode} \newif\ifst@rred % \end{macrocode} @@ -3443,7 +3451,8 @@ and fix things up.} \nointerlineskip \vskip-\ht\strutbox@ \vskip-\dp\strutbox@ - \vbox{\noindent\hbox to\displaywidth{\hbox to#1{\strut@\hfill}}}% + \vbox{\noindent\hbox to\displaywidth{% + \hbox to#1{\strut@\hfill}}}% \prevdepth\dimen@ \fi }% |