%% 
%% This is file `xr.hyp',
%% generated with the docstrip utility.
%% 
%% The original source files were:
%% 
%% hyper.dtx  (with options: `xr')

%% File: hyper.dtx Copyright (C) 1995, 1996, 1997 Michael Mehlich
\def\fileversion{V4.0e}
\def\filedate{1997/04/25}
\def\docdate{1997/04/25}
%%
%% \CharacterTable
%% {Upper-case    \A\B\C\D\E\F\G\H\I\J\K\L\M\N\O\P\Q\R\S\T\U\V\W\X\Y\Z
%%  Lower-case    \a\b\c\d\e\f\g\h\i\j\k\l\m\n\o\p\q\r\s\t\u\v\w\x\y\z
%%  Digits        \0\1\2\3\4\5\6\7\8\9
%%  Exclamation   \!     Double quote  \"     Hash (number) \#
%%  Dollar        \$     Percent       \%     Ampersand     \&
%%  Acute accent  \'     Left paren    \(     Right paren   \)
%%  Asterisk      \*     Plus          \+     Comma         \,
%%  Minus         \-     Point         \.     Solidus       \/
%%  Colon         \:     Semicolon     \;     Less than     \<
%%  Equals        \=     Greater than  \>     Question mark \?
%%  Commercial at \@     Left bracket  \[     Backslash     \\
%%  Right bracket \]     Circumflex    \^     Underscore    \_
%%  Grave accent  \`     Left brace    \{     Vertical bar  \|
%%  Right brace   \}     Tilde         \~}
%%
\def\externaldocument{%
  \@ifnextchar(%
    {\hyper@externaldocument}%
    {\hyper@externaldocument()}%
}
\def\hyper@externaldocument(#1){%
  \@ifnextchar[%
    {\hyper@@externaldocument(#1)}%
    {\hyper@@externaldocument(#1)[]}%
}
\def\hyper@@externaldocument(#1)[#2]#3{%
  \def\hyper@XR@docprefix{#1}%
  \ifx\hyper@XR@docprefix\@empty%
    \def\hyper@XR@docprefix{#3.dvi}%
  \fi%
  \XR@[#2]{#3}%
}
\def\hyper@xr@newlabel#1#2#3#4{%
    \newlabel%
      {\XR@prefix#4}%
      {{[file:\hyper@XR@docprefix][#1]}%
       {#2}%
       {[file:\hyper@XR@docprefix][#3]}%
      }%
}
\long\def\XR@test#1#2#3#4\XR@{%
  \ifx#1\newlabel%
    \expandafter\hyper@xr@newlabel#3{#2}%
  \else\ifx#1\@input%
     \edef\XR@list{\XR@list#2\relax}%
  \fi\fi%
  \ifeof%
    \@inputcheck\expandafter\XR@aux%
  \else%
    \expandafter\XR@read%
  \fi%
}
\endinput
%% 
%% End of file `xr.hyp'.