<html><head><meta name="color-scheme" content="light dark"></head><body><pre style="word-wrap: break-word; white-space: pre-wrap;">%% 
%% This is file `patch.tex',
%% generated with the docstrip utility.
%% 
%% The original source files were:
%% 
%% patch.doc 
%% 
%% IMPORTANT NOTICE:
%% 
%% For the copyright see the source file.
%% 
%% You are *not* allowed to modify this file.
%% 
%% You are *not* allowed to distribute this file.
%% For distribution of the original source see
%% the terms for copying and modification in the file  patch.doc.
%% 
%% patch.doc/patch.tex
%% (c) 1994 by David Kastrup (dak@pool.informatik.rwth-aachen.de)
%% Version 0.91
%% Redistribution of patch.doc is allowed, provided it is not modified
%% in any way. The stripped version patch.tex may only be distributed
%% as part of other packages, and only if the unstripped version
%% is distributed on demand.
\begingroup
\catcode`@=11
\toks@={\endgroup}
\outer\def\endpatch{\the\toks@}
\def\futuredef#1#2{\begingroup
     \aftergroup\afterassignment \aftergroup#2%
     \aftergroup\def \aftergroup#1%
         \futurelet\next\^^90}
\let\bgroup\relax   \let\egroup\relax
\def\^^90{%
    \ifcat\noexpand\next{%
         \^^91{\aftergroup{\iffalse}\fi}%
    \else\ifcat\noexpand\next}%
         \^^91{\iffalse{\fi\aftergroup}}%
    \else\ifcat\noexpand\next\space
         \^^91{\expandafter\aftergroup\space}%
    \else\ifcat\noexpand\next##
         \^^91{\aftergroup########}%
    \else
         \let\next\^^93%
                 \fi\fi\fi\fi\next}
\def\^^91#1{\def\next@{\endgroup{#1}}%
    \let\next\^^92}
\def\^^92{\afterassignment\next@ \let\next= }
\long\def\^^93#1{\endgroup{\aftergroup#1}}
\def\@ndp@tch{\aftergroup\@ndp@tch}
\def\gpatch{\ifnum\globaldefs&lt;\z@
                \expandafter\patch
            \else
                \expandafter\^^98%
            \fi}
\long\def\^^98#1#2#{\def\next{}%
               \long\edef\next##1\@ndp@tch%
                  {\ifx\next\empty\else\long\fi\gdef##1}%
               \^^a0#1{#2}}
\def\patch#1#2#{\def\next{}%
  \long\edef\next##1\@ndp@tch
     {\toks@ \noexpand\expandafter {\noexpand\the \toks@
          \ifx\next\empty\else\long\fi \def##1}}%
  \^^a0#1{#2}}
\long\def\^^a0#1#2#3#4{\begingroup
    \def\^^e0{#1}%
    \toks@{\endgroup\next#1#2}%
    \begingroup
    \aftergroup\the\aftergroup\toks@
    \toks@{#4}%
    \expandafter\p@check\expandafter{#1#3}\@ndp@tch}
\toksdef\p@match=\@ne
\toksdef\p@replace=\tw@
\def\p@check{\edef\next@{\the\toks@}%
        \ifx\empty\next@  \expandafter\endgroup
        \else  \expandafter\^^a1\fi}
\def\^^a1{\iffalse{\fi
       \expandafter\futuredef \expandafter\p@first
       \expandafter\^^a2\the\toks@}}
\def\^^a2#1#{\p@match{#1}\afterassignment\^^a3\p@replace}
\def\^^a3{\afterassignment\^^a4\toks@\expandafter{\iffalse}\fi}
\def\^^a4{\futuredef\next\^^a5}
\def\^^a5{\ifx\next\p@first
             \begingroup \toks@{}\expandafter\^^a6%
          \else\ifx\next\@ndp@tch \^^e1\fi
            \next \expandafter \^^a4%
          \fi}
\def\^^e1{\let\^^a4\endgroup
          \newlinechar`\^^J
          \toks@\expandafter{\next@}%
          \errorcontextlines\m@ne
          \errhelp{I am ignoring inapplicable patches. Go on.}%
          \errmessage{When trying to patch
            \expandafter\string\^^e0, which was defined as^^J%
            \expandafter\meaning\^^e0^^J%
            the following patches remained inapplicable:^^J%
            \the\toks@^^J%
            I will show the results of the succeeded patches as soon^^J%
            as I can without further comment, so do not be surprised.}%
          \aftergroup\show \expandafter\aftergroup\^^e0%
}
\def\^^a6{\edef\next{\the\p@match}%
         \ifx\next\empty \endgroup\expandafter\^^ac%
         \else \expandafter\^^a7\fi}
\def\^^a7{\iffalse{\fi
          \expandafter\futuredef\expandafter\next@
          \expandafter\^^a8\the\p@match}}
\def\^^a8{\afterassignment\^^a9\p@match\expandafter{\iffalse}\fi}
\def\^^a9{\futuredef\next\^^aa}
\def\^^aa{\ifx\next@\next
              \expandafter\^^ab%
          \else \aftergroup\p@first
          \aftergroup\^^a4%
          \the\toks@\next\expandafter\endgroup\fi}
\def\^^ab{\toks@\expandafter\expandafter\expandafter{%
         \expandafter\the\expandafter\toks@\next}%
         \^^a6}
\def\^^ac{\expandafter\^^ad\the\p@replace\@ndp@tch}
\def\^^ad{\futuredef\next\^^ae}
\def\^^ae{\ifx\next\@ndp@tch
              \expandafter\p@check
          \else
              \next \expandafter\^^ad%
          \fi}
\endinput
%% 
%% End of file `patch.tex'.
</pre></body></html>