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57 lines
2.0 KiB
57 lines
2.0 KiB
%%
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%% This is file `amsxtra.sty',
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%% generated with the docstrip utility.
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%%
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%% The original source files were:
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%%
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%% amsxtra.dtx
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%%
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%% Copyright 1995, 1999 American Mathematical Society.
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%% Copyright 2016 LaTeX3 Project and American Mathematical Society.
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%%
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%% This work may be distributed and/or modified under the
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%% conditions of the LaTeX Project Public License, either version 1.3c
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%% of this license or (at your option) any later version.
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%% The latest version of this license is in
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%% https://www.latex-project.org/lppl.txt
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%% and version 1.3c or later is part of all distributions of LaTeX
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%% version 2005/12/01 or later.
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%%
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%% This work has the LPPL maintenance status `maintained'.
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%%
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%% The Current Maintainer of this work is the LaTeX3 project.
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%%
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\ProvidesPackage{amsxtra}[1999/11/15 v1.2c AMS extra commands]
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\@ifpackageloaded{amstex}{}{%
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\RequirePackage{amsmath}[1996/10/01 v1.2]}
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\def\sphat{^{\mathchoice{}{}%
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{\,\,\smash[b]{\hbox{\lower4\ex@\hbox{$\m@th\widehat{\null}$}}}}%
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{\,\smash[b]{\hbox{\lower3\ex@\hbox{$\m@th\hat{\null}$}}}}}}
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\def\spcheck{^\vee}
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\def\sptilde{^\sim}
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\def\spdot{^{\hbox{\raise\ex@\hbox{\normalfont .}}}}
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\def\spddot{^{\hbox{\raise\ex@\hbox{\normalfont ..}}}}
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\def\spdddot{^{\hbox{\raise\ex@\hbox{\normalfont...}}}}
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\def\spbreve{^{\!\smash[b]{\hbox{\lower4\ex@\hbox{\u{}}}}}}
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\@ifpackageloaded{amstex}{%
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\def\fracwithdelims#1#2{\new@ifnextchar[{\fracwithdelims@#1#2}%
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{\fracwithdelims@#1#2[\@empty]}}
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\def\fracwithdelims@#1#2[#3]#4#5{\relax
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\ifx\@empty#3{#4\overwithdelims#1#2#5}\else
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{#4\abovewithdelims#1#2#3\relax#5}\fi}
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}{}
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\def\accentedsymbol#1#2{%
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\expandafter\newbox
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\csname\expandafter\@gobble\string#1@box\endcsname
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\expandafter\setbox
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\csname\expandafter\@gobble\string#1@box\endcsname
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\hbox{$\m@th#2$}%
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\newcommand{#1}{%
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\expandafter\copy
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\csname\expandafter\@gobble\string#1@box\endcsname{}}%
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}
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\def~{\nobreakspace}
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\DeclareRobustCommand{\nobreakspace}{\unskip\nobreak\ \ignorespaces}
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\endinput
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%%
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%% End of file `amsxtra.sty'.
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