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%%
%% This is file `upref.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% upref.dtx 
%% This is a generated file.
%% 
%% Copyright 2008, 2010 American Mathematical Society.
%% 
%% American Mathematical Society
%% Technical Support
%% Publications Technical Group
%% 201 Charles Street
%% Providence, RI 02904
%% USA
%% tel: (401) 455-4080
%%      (800) 321-4267 (USA and Canada only)
%% fax: (401) 331-3842
%% email: tech-support@ams.org
%% 
%% 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
%%   http://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 American Mathematical
%% Society.
%% 
%% ========================================================================
%% 
\NeedsTeXFormat{LaTeX2e}[1995/06/01]
\ProvidesPackage{upref}[2007/03/14 v2.04]
\newcommand{\@noref}[1]{%
  \G@refundefinedtrue
  \nfss@text{\reset@font\bfseries ??}%
  \@latex@warning{Reference `#1' on page \thepage\space undefined}%
}
\AtBeginDocument{%
  \providecommand\printref{\textup}%
  \@ifpackageloaded{hyperref}{%
    \def\Hy@setref@link#1#2#3#4#5#6\@nil#7{%
      \begingroup
      \leavevmode
      \sw@slant
      \toks0{\hyper@@link{#5}{#4}}%
      \toks1\@xp{#7{\printref{#1}\hbox{}}{#2}{#3}{#4}{#5}}%
      \edef\x{\endgroup\the\toks0{\the\toks1}}\x
    }%
    \def\@setref#1#2#3{%
      \ifx#1\relax
        \@xp\protect\@noref{#3}%
      \else
        \@xp\Hy@setref@link#1\@empty\@empty\@nil{#2}%
      \fi
    }%
  }{%
    \def\@setref#1#2#3{\ifx#1\relax
        \protect\@noref{#3}%
      \else
        \protect\printref{\@xp#2#1\hbox{}}%
      \fi
    }%
  }%
}
\providecommand\@upn{\textup}
\endinput
%%
%% End of file `upref.sty'.