%%
%% This is file `amsxtra.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% amsxtra.dtx 
%% 
%% Copyright (C) 1995, 1999 American Mathematical Society.
%% Copyright (C) 2016-2024  LaTeX 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 LaTeX 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'.
