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%% BEGIN tvz-hax.sty
%%  93/03/03
%%  These are some lousy hacks for typesetting the code
%%  and User's Guide  in the Seminar and PSTricks packages.
%%
%%  Tim Van Zandt tvz@Princeton.EDU

\def\ds@a4{\def\paperwidth{210mm}\def\paperheight{297mm}}

\input article.sty
\input fancybox.sty    % Version 0.93 or later.

\def\arraystretch{1.2}

\hfuzz 1pt

\def\twosideclearpage{%
  \clearpage
  \if@twoside
    \ifodd\c@page\else
      \thispagestyle{empty}%
      \null\leavevmode
      \clearpage
    \fi
  \fi}

% Just in case I'm using AmS-LaTeX.
\def\makeatother{\catcode`\@=12\relax}

%%%%%%%%%%%%%%%%% LOGOS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%
\def\AmS{{\protect\the\textfont\tw@
  A\kern-.1667em\lower.5ex\hbox{M}\kern-.125emS}}

\def\b@LaTeX{%
  \begingroup
    \csname reset@font\endcsname
    \rm\bf
    L\kern-.32em
    \raise.36ex\hbox{%
      \ifx\@currsize\Huge\LARGE\else
      \ifx\@currsize\huge\Large\else
      \ifx\@currsize\LARGE\large\else
      \ifx\@currsize\Large\normalsize\else
      \ifx\@currsize\large\small\else
      \ifx\@currsize\normalsize\footnotesize\else
      \ifx\@currsize\small\scriptsize\else
      \ifx\@currsize\footnotesize\scriptscriptsize
      \fi\fi\fi\fi\fi\fi\fi\fi
      \bf A}%
    \kern-.15em
    T\kern-.1667em
    \lower.7ex\hbox{E}\kern-.125em
    X%
  \endgroup}
\def\bLaTeX{\b@LaTeX}
%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

%%%%%%%%%%%%%%% PAGE STYLE  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%
%% Headings:
\def\ps@docheadings{%
  \let\@mkboth\markboth
  \def\@oddhead{}%
  \let\@evenhead\@oddhead%
  \def\@oddfoot{%
    \small\sf
    \rightmark
    \hfil
    \thepage}%
  \def\@evenfoot{%
    \small\sf
    \thepage
    \hfil
    \theheadertitle}%
  \def\sectionmark##1{\markright {##1}}}%
\pagestyle{docheadings}
%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

%%%%%%%%%%%%%%%%%%%%%%%% Table of Contents %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%
%% Tight up spacing in TOC:
%%
\newskip\tempskip
\def\TOCshrink{.5}
\def\TableOfContents{%
  \begin{quote}
    \begin{center} \Large\bf Contents \end{center}
    \def\numberline##1{\hbox to 0pt{\hss##1\hskip 1em}}%
    \let\oldaddvspace\addvspace
    \def\addvspace##1{%
      \tempskip##1\relax
      \oldaddvspace{\TOCshrink\tempskip}}
    \@starttoc{toc}%
  \end{quote}}
\def\tableofcontents{%
  \clearpage
  \markright{Table of contents}%
  \TableOfContents
  \clearpage}
%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


%%%%%%%%%%%%%%%%%%%%%%%%%%%% dates %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%
%% This expands the date, as defined in \filedate.
%%
\def\expanddate#1/#2/#3/{%
  \number#3{}
  \month=#2
  \ifcase\month\or
    January \or February \or March \or April \or May \or June \or
    July \or August \or September \or October \or November \or December
  \fi
  19#1}
\def\thefiledate{\expandafter\expanddate\filedate/}
\date{\thefiledate}
%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

%%%%%%%%%%%%%%%%%%%%%%%% code and examples %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%
%% This is an environment for putting samples of code. It is like
%% a variant of \begin{quote}\tt ... \end{quote}. It is NOT verbatim.
%%
\def\NotNested{\def\begin##1{%
  \@latexerr{Bad nesting of environments.
    Perhaps missing \end{\@currenvir}}\@eha
  \end{\@currenvir}%
  \begin{##1}}}
\def\endEx{\endlist}
\def\Ex{%
  \NotNested
  \list{}{}\item[]%
  \if@minipage\else\vskip\parskip\fi
  \leftskip\@totalleftmargin
  \rightskip\z@
  \parindent\z@
  \parskip\z@
  \parfillskip\@flushglue
  \hfuzz 1pt
  \@@par
  \global\@inlabelfalse}
\def\endEx{\endlist}
%%
%% Various things to make it easier to write code and examples:
%%
\begingroup
  \catcode`\{=12 \catcode`\}=12
  \catcode`\(=1 \catcode`\)=2
  \catcode`\+=0 \catcode`\\=12
  +gdef+|(\)          % \| = character \
  +gdef+{({)          % \{ = character {
  +gdef+}(})          % \} = character }
+endgroup
\def\Backslash{\protect\|}
%%
%% Define some functional font commands:
%%
\def\MainFont{\tt}            % For macro definitions.
\def\UsageFont{\tt}           % For in-line macro names.
\def\InlineFont{\tt}          % For other in-line snipets of code.
\def\DisplayFont{\tt}         % For displayed code.
\def\MetaFont{\sl}            % For meta arguments.
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

\endinput
%% END tvz-hax.sty