%%
%% This is file `amsaddr.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% amsaddr.dtx  (with options: `package')
%% Copyright (C) 2006-2022 by Jérôme Lelong <jerome.lelong@gmail.com>
%% 
%% This file 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:
%% 
%%    http://www.latex-project.org/lppl.txt
  \def\filename{amsaddr}
  \def\fileversion{v1.0}
  \def\filedate{2006/12/12}
  \ifx\protected@edef\@undefined
     \let\protected@edef\edef
  \fi
\newif\if@footaddr
\DeclareOption{foot}{\@footaddrtrue}
\ProcessOptions\relax
\newcounter{g@author}
\setcounter{g@author}{0}
\renewcommand{\author}[2][]{%
  \stepcounter{g@author}
  \ifx\@empty\authors
    \gdef\authors{#2}%
  \else
    \g@addto@macro\authors{\and#2}%
  \fi
  \g@addto@macro\addresses{\author{#2}}%
  \@ifnotempty{#1}{%
    \ifx\@empty\shortauthors
      \gdef\shortauthors{#1}%
    \else
      \g@addto@macro\shortauthors{\and#1}%
    \fi
  }%
}
\let\emails\@empty
\renewcommand{\email}[2][]{
  \ifx\@empty\emails
    \gdef\emails{\mbox{#2}}
  \else
    \g@addto@macro\emails{,\space\mbox{#2}}
  \fi
}
\def\@set@authors@addresses{\par
  \skip@30\p@
  \centering
  \begingroup
  \def\author##1{\par\vskip\skip@\MakeUppercase{##1}}%
  \def\\{\protect\linebreak}%
  \centering
  \def\address##1##2{\par\addvspace\bigskipamount%
    {\itshape\ignorespaces##2}%
  }%
  \def\email##1##2{%
    \@ifnotempty{##2}{, \ignorespaces{\ttfamily##2}}}%
  \def\curraddr##1##2{}%
  \def\urladdr##1##2{}%
  \addresses
  \endgroup
  \par
}
\def\@setfoot@addresses{
  \def\author##1{}%
  \def\\{\unskip, \ignorespaces}%
  \newif\if@firstaddr
  \@firstaddrtrue
  \def\address##1##2{%
    \if@firstaddr\@firstaddrfalse\else\par\fi
    \@ifnotempty{##1}{(\ignorespaces##1\unskip) }%
    {\scshape\ignorespaces##2}%
  }%
  \def\email##1##2{}%
  \def\curraddr##1##2{}%
  \def\urladdr##1##2{}%
  \addresses
}
\def\@setaddresses{\par
  \nobreak \begingroup
  \def\author##1{\nobreak\addvspace\bigskipamount}%
  \def\\{\unskip, \ignorespaces}%
  \interlinepenalty\@M
  \def\address##1##2{}%
  \def\email##1##2{}%
  \def\curraddr##1##2{\begingroup
    \@ifnotempty{##2}{\nobreak\indent{\itshape Current address}%
      \@ifnotempty{##1}{, \ignorespaces##1\unskip}\/:\space
      ##2\par}\endgroup}%
  \def\urladdr##1##2{\begingroup
    \@ifnotempty{##2}{\nobreak\indent{\itshape URL}%
      \@ifnotempty{##1}{, \ignorespaces##1\unskip}\/:\space
      \ttfamily##2\par}\endgroup}%
  \addresses
  \endgroup
}
\def\@setemails{%
  \ifnum\theg@author > 1
    \mbox{{\itshape E-mail addresses}:\space}{\ttfamily\emails}.
  \else
    \mbox{{\itshape E-mail address}:\space}{\ttfamily\emails}.
  \fi%
}
\def\@maketitle{%
  \normalfont\normalsize
  \let\@makefnmark\relax  \let\@thefnmark\relax
  \if@footaddr\@footnotetext{\@setfoot@addresses}\fi
  \ifx\@empty\emails\else \@footnotetext{\@setemails}\fi
  \ifx\@empty\@date\else \@footnotetext{\@setdate}\fi
  \ifx\@empty\@subjclass\else \@footnotetext{\@setsubjclass}\fi
  \ifx\@empty\@keywords\else \@footnotetext{\@setkeywords}\fi
  \ifx\@empty\thankses\else \@footnotetext{%
    \def\par{\let\par\@par}\@setthanks}\fi
  \@mkboth{\@nx\shortauthors}{\@nx\shorttitle}%
  \global\topskip42\p@\relax % 5.5pc   "   "   "     "     "
  \@settitle
  \if@footaddr\ifx\@empty\authors \else \@setauthors \fi
  \else%
     \ifx\@empty\authors \else \@set@authors@addresses \fi
  \fi
  \ifx\@empty\@dedicatory
  \else
    \baselineskip18\p@
    \vtop{\centering{\footnotesize\itshape\@dedicatory\@@par}%
      \global\dimen@i\prevdepth}\prevdepth\dimen@i
  \fi
  \@setabstract
  \normalsize
  \if@titlepage
    \newpage
  \else
    \dimen@34\p@ \advance\dimen@-\baselineskip
    \vskip\dimen@\relax
  \fi
  \let\addresses\relax
  \let\@setfoot@addresses\relax
} % end \@maketitle
\def\enddoc@text{
  \ifx\@empty\addresses\else \@setaddresses\fi
}
\endinput
%%
%% End of file `amsaddr.sty'.