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Diffstat (limited to 'Master/texmf-dist/tex/latex-dev/amsmath/amsxtra.sty')
-rw-r--r-- | Master/texmf-dist/tex/latex-dev/amsmath/amsxtra.sty | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/Master/texmf-dist/tex/latex-dev/amsmath/amsxtra.sty b/Master/texmf-dist/tex/latex-dev/amsmath/amsxtra.sty new file mode 100644 index 00000000000..67d2e099be4 --- /dev/null +++ b/Master/texmf-dist/tex/latex-dev/amsmath/amsxtra.sty @@ -0,0 +1,57 @@ +%% +%% This is file `amsxtra.sty', +%% generated with the docstrip utility. +%% +%% The original source files were: +%% +%% amsxtra.dtx +%% +%% Copyright 1995, 1999 American Mathematical Society. +%% Copyright 2016 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 +%% of this license or (at your option) any later version. +%% The latest version of this license is in +%% 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. +%% +\ProvidesPackage{amsxtra}[1999/11/15 v1.2c AMS extra commands] +\@ifpackageloaded{amstex}{}{% + \RequirePackage{amsmath}[1996/10/01 v1.2]} +\def\sphat{^{\mathchoice{}{}% + {\,\,\smash[b]{\hbox{\lower4\ex@\hbox{$\m@th\widehat{\null}$}}}}% + {\,\smash[b]{\hbox{\lower3\ex@\hbox{$\m@th\hat{\null}$}}}}}} +\def\spcheck{^\vee} +\def\sptilde{^\sim} +\def\spdot{^{\hbox{\raise\ex@\hbox{\normalfont .}}}} +\def\spddot{^{\hbox{\raise\ex@\hbox{\normalfont ..}}}} +\def\spdddot{^{\hbox{\raise\ex@\hbox{\normalfont...}}}} +\def\spbreve{^{\!\smash[b]{\hbox{\lower4\ex@\hbox{\u{}}}}}} +\@ifpackageloaded{amstex}{% +\def\fracwithdelims#1#2{\new@ifnextchar[{\fracwithdelims@#1#2}% + {\fracwithdelims@#1#2[\@empty]}} +\def\fracwithdelims@#1#2[#3]#4#5{\relax + \ifx\@empty#3{#4\overwithdelims#1#2#5}\else + {#4\abovewithdelims#1#2#3\relax#5}\fi} +}{} +\def\accentedsymbol#1#2{% + \expandafter\newbox + \csname\expandafter\@gobble\string#1@box\endcsname + \expandafter\setbox + \csname\expandafter\@gobble\string#1@box\endcsname + \hbox{$\m@th#2$}% + \newcommand{#1}{% + \expandafter\copy + \csname\expandafter\@gobble\string#1@box\endcsname{}}% +} +\def~{\nobreakspace} +\DeclareRobustCommand{\nobreakspace}{\unskip\nobreak\ \ignorespaces} +\endinput +%% +%% End of file `amsxtra.sty'. |