EVOLUTION-MANAGER

Edit File: stackrel.sty

%%
%% This is file `stackrel.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% stackrel.dtx  (with options: `package')
%% 
%% This is a generated file.
%% 
%% Project: stackrel
%% Version: 2007/11/11 v1.2
%% 
%% Copyright (C) 2006, 2007 by
%%    Heiko Oberdiek <heiko.oberdiek at googlemail.com>
%% 
%% 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. This version of this license is in
%%    http://www.latex-project.org/lppl/lppl-1-3c.txt
%% and the latest version of this license is in
%%    http://www.latex-project.org/lppl.txt
%% and version 1.3 or later is part of all distributions of
%% LaTeX version 2005/12/01 or later.
%% 
%% This work has the LPPL maintenance status "maintained".
%% 
%% This Current Maintainer of this work is Heiko Oberdiek.
%% 
%% This work consists of the main source file stackrel.dtx
%% and the derived files
%%    stackrel.sty, stackrel.pdf, stackrel.ins, stackrel.drv.
%% 
\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{stackrel}
  [2007/11/11 v1.2 Adding subscript option to stackrel (HO)]%
\RequirePackage{etexcmds}[2007/09/09]
\ifetex@unexpanded
  \RequirePackage{pdftexcmds}[2007/11/11]%
  \begingroup\expandafter\expandafter\expandafter\endgroup
  \expandafter\ifx\csname pdf@strcmp\endcsname\relax
    \newcommand*{\stack@relbin}[3][]{%
      \mathop{#3}\limits
      \edef\reserved@a{\etex@unexpanded{#1}}%
      \ifx\reserved@a\@empty\else_{#1}\fi
      \edef\reserved@a{\etex@unexpanded{#2}}%
      \ifx\reserved@a\@empty\else^{#2}\fi
      \egroup
    }%
  \else
    \newcommand*{\stack@relbin}[3][]{%
      \mathop{#3}\limits
      \ifcase\pdf@strcmp{\detokenize{#1}}{}\else_{#1}\fi
      \ifcase\pdf@strcmp{\detokenize{#2}}{}\else^{#2}\fi
      \egroup
    }%
  \fi
\else
  \newcommand*{\stack@relbin}[3][]{%
    \mathop{#3}\limits
    \toks@{#1}%
    \edef\reserved@a{\the\toks@}%
    \ifx\reserved@a\@empty\else_{#1}\fi
    \toks@{#2}%
    \edef\reserved@a{\the\toks@}%
    \ifx\reserved@a\@empty\else^{#2}\fi
    \egroup
  }%
\fi
\renewcommand*{\stackrel}{%
  \mathrel\bgroup\stack@relbin
}
\newcommand*{\stackbin}{%
  \mathbin\bgroup\stack@relbin
}
\endinput
%%
%% End of file `stackrel.sty'.