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%% BEGIN tvz-hax.sty
%% 93/04/01
%% Tim Van Zandt Timothy.VAN-ZANDT@insead.edu
%%
%% These are some lousy hacks for typesetting the code
%% and User's Guide  in the Seminar and PSTricks packages.
%%
%% This file may be distributed and/or modified under the conditions of
%% the LaTeX Project Public License, either version 1.2 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 1.2 or later is part of all distributions of LaTeX version
%% 1999/12/01 or later.
%%


%%%%%%%%%%%%%%%%%%%%%%%%%% PAPER SIZES %%%%%%%%%%%%%%%%%%%%%%

% Default paper size is 8.5in by 11in.
% Just include the `a4' style option for A4 paper size.
% For other paper sizes, define \paperwidth and \paperheight
% before the \documentstyle command.

\@ifundefined{paperwidth}{\def\paperwidth{8.5in}}{}
\@ifundefined{paperheight}{\def\paperheight{11in}}{}
\@namedef{ds@a4}{\def\paperwidth{210mm}\def\paperheight{297mm}}


%%%%%%%%%%%%%%%%%%%% INPUTS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

\newif\iftwoup
\@namedef{ds@2up}{\input 2up.tex \twouptrue}

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

\iftwoup
  \if@twoside
    \targetlayout{twosided}
  \fi
\fi

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


%%%%%%%%%%%%%%%%%%%%% MISC %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

\def\arraystretch{1.2}

\hfuzz 1pt

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


%%%%%%%%%%%%%%%%%%%%%%%%%% SHORT META %%%%%%%%%%%%%%%%%%%%%%%%

% Works in verbatim environments, unless specially designed.
\begingroup
  \catcode`\<=\active
  \gdef\ShortMeta{%
    \catcode`\<=\active
    \def<##1>{{\MetaFont ##1\/}}}
\endgroup
\def\DeleteShortMeta{\catcode`\<=12\relax}
\def\MetaFont{\sl}            % For meta arguments.

%%%%%%%%%%%%%%%%%%%%%%%%%% FILE VERSIONS %%%%%%%%%%%%%%%%%%%%%

% \GetVersion{file} scans first ten lines of <file> for
% \filedate and \fileversion definitions.
%
% \CheckVersion{file} scans <scans> file for \filedate and \fileversion
% and then compares these witha \FileDate and \FileVersion.
%
\def\GetVersion#1{%
  \immediate\openin1=#1
  \count@=0
  \let\fileversion\relax
  \let\filedate\relax
  \@testtrue
  \loop
  \if@test
    \advance\count@1
    \immediate\read1 to \@tempa
    \@tempa
    \ifnum\count@=10
      \@latexerr{Couldn't find fileversion}\@eha
      \@testfalse
    \else
      \ifx\fileversion\relax
        \@testtrue
      \else
        \ifx\filedate\relax
          \@testtrue
        \else
          \@testfalse
        \fi
      \fi
    \fi
  \repeat}

\def\CheckVersion#1{%
  \GetVersion{#1}
  \ifx\FileVersion\fileversion
    \ifx\FileDate\filedate\else
      \@latexerr{Doc date (\FileDate) and file date (\filedate)
         do not match}\@eha
    \fi
  \else
    \@latexerr{Doc version (\FileVersion) and file version (\fileversion)
      do not match}\@eha
  \fi}

% 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}


%%%%%%%%%%%%%%%%% LOGOS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

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

\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  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

% The `docheadings' page style uses footers rather than headers.

\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 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

% Tighten 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}


%%%%%%%%%%%%%%%%%%%%%%%% code and examples %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

% `Ex' is an environment for putting samples of code.
% It is 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\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.

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

\endinput
%% END tvz-hax.sty