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%%
%% 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.
%%
%% BEGIN tvz-user.sty
%% 93/04/01

\input tvz-hax.sty

\def\papersizeadjust{%
  \@tempdima=\paperwidth\relax
  \advance\@tempdima-8.5in
  \divide\@tempdima 2
  \advance\oddsidemargin\@tempdima
  \advance\evensidemargin\@tempdima
  \@tempdima=\paperheight
  \advance\@tempdima-11in
  \divide\@tempdima 2
  \advance\topmargin\@tempdima}

\begingroup
  \catcode`\"=\active
  \gdef\ShortVerb{%
    \catcode`\"=\active
    \def"{\Verb"}}%
  \gdef\DeleteShortVerb{\catcode`\"=12\relax}
\endgroup

% Paragraphs are marked by large space rather than indentation:
\setlength{\parindent}{0pt}
\setlength{\parskip}{7pt plus 1pt minus 1pt}

% Reduce \topsep:
\def\@listI{%
  \leftmargin\leftmargini
  \parsep 5\p@ plus2.5\p@ minus\p@
  %\topsep 10\p@ plus4\p@ minus6\p@
  \topsep 5\p@ plus2\p@ minus2\p@
  \itemsep 5\p@ plus2.5\p@ minus\p@}
\let\@listi\@listI
\@listi
\def\@listii{%
  \leftmargin\leftmarginii
  \labelwidth\leftmarginii
  \advance\labelwidth-\labelsep
  %\topsep 5\p@ plus2.5\p@ minus\p@
  \topsep 2\p@ plus.5\p@ minus\p@
  \parsep 2.5\p@ plus\p@ minus\p@
  \itemsep \parsep}
\def\@listiii{%
  \leftmargin\leftmarginiii
  \labelwidth\leftmarginiii
  \advance\labelwidth-\labelsep
  %\topsep 2.5\p@ plus\p@ minus\p@
  \topsep 1\p@ plus.2\p@ minus.2\p@
  \parsep \z@
  \partopsep \p@ plus\z@ minus\p@
  \itemsep \topsep}

\skip\footins 20pt plus 4pt minus 2pt

%%%%%%%%%%%%%%%%%%%%%%% Special hacks for User's Guides %%%%%%%%%%%%%%%%%%%%%
%%
%% Listing questions
\newcounter{faq}[section]
\def\thefaq{\arabic{faq}}
\let\l@faq\@gobbletwo
\def\faq{\@startsection{faq}{2}{\z@}%
  {3.25ex plus 1ex minus .2ex}{1.5ex plus .2ex}{\faqfont}}
\def\faqfont{\normalsize\sf}
\def\faqmark#1{}
%%
%% Listing errors
\def\error{\vskip 2ex\noindent}
%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

\@ifundefined{AmSTeX}
   {\def\AmSTeX{\leavevmode\hbox{$\cal A\kern-.2em\lower.376ex%
        \hbox{$\cal M$}\kern-.2em\cal S$-\TeX}}}{}
\@ifundefined{BibTeX}
   {\def\BibTeX{{\rm B\kern-.05em{\sc i\kern-.025em b}\kern-.08em%
    T\kern-.1667em\lower.7ex\hbox{E}\kern-.125emX}}}{}
\@ifundefined{SliTeX}
   {\def\SliTeX{{\rm S\kern-.06emL\kern-.18em\raise.32ex\hbox
                {\sc i}\kern -.03em\TeX}}}{}
\@ifundefined{PlainTeX}{\def\PlainTeX{{\sc Plain}\kern2pt\TeX}}{}

%%%%%%%%%%%%%%% Special indexing for User's Guides %%%%%%%%%%%%%%%%%%%%%%%%%
%%
%%
\@ifundefined{actualchar}{\def\actualchar{@}}{}
\@ifundefined{quotechar}{\def\quotechar{"}}{}
\@ifundefined{levelchar}{\def\levelchar{!}}{}
\@ifundefined{encapchar}{\def\encapchar{|}}{}
\@ifundefined{verbatimchar}{\def\verbatimchar{+}}{}
%%
%% These are the indexing commands:
%%
%% Commands:       \MainIndex        \UsageIndex
%% Environments:   \MainEnvIndex     \UsageEnvIndex
%% Style options:  \MainOptionIndex  \UsageOptionIndex
%% Counters:       \MainCntIndex     \UsageCntIndex
\def\@Index#1{\@bsphack\index{#1}\@esphack}
\def\Index#1#2{%
  \@bsphack
  \index{\expandafter\@gobble\string#2\actualchar\string
  \verb\quotechar*\verbatimchar\string#2\verbatimchar
  \encapchar #1}}
{\catcode`\!=0 !catcode`!\=12!gdef!special@gobble#1{!if\#1!else#1!fi}}
\def\MainIndex{\Index{main}}
\def\UsageIndex{\Index{usage}}
\def\SpecialIndex#1#2#3{%
  \@Index{#3\actualchar{\tt #3} (#1)\encapchar #2}%
  \@Index{#1s:\levelchar{\tt #3}\encapchar #2}}
\def\MainEnvIndex{\SpecialIndex{environment}{main}}
\def\UsageEnvIndex{\SpecialIndex{environment}{usage}}
\def\MainOptionIndex{\SpecialIndex{option}{main}}
\def\UsageOptionIndex{\SpecialIndex{option}{usage}}
\def\MainCntIndex{\SpecialIndex{counter}{main}}
\def\UsageCntIndex{\SpecialIndex{counter}{usage}}
%%
%% Font for index page numbers:
\def\main#1{{\bf #1}}
\def\usage#1{{#1}}
%%
%% These combine various functions:
%%
%% Commands:       \Main        \Usage
%% Environments:   \MainEnv     \UsageEnv
%% Style options:  \MainOption  \UsageOption
%% Counters:       \MainCnt     \UsageCnt
%%
%% The "Main" ones
%%   * Index argument.
%%   * Print argument with \MainFont
%%   * Create label +foo, e+foo or o+foo.
%%
%% The "Usage" ones
%%   * Index argument.
%%   * Print argument with \UsageFont.
%%
\def\SpecialLabel#1#2+{\label{+#2}}
\def\LabelIndex#1{\MainIndex{#1}\expandafter\SpecialLabel\string#1+}
\def\Main#1{%
  \MainIndex{#1}%
  \expandafter\SpecialLabel\string#1+%
  {\MainFont\string#1}}
\def\Usage#1{\UsageIndex{#1}{\UsageFont\string#1}}
\def\MainEnv#1{%
  \MainEnvIndex{#1}%
  \label{e+#1}%
  {\MainFont #1}}
\def\UsageEnv#1{\UsageEnvIndex{#1}{\UsageFont #1}}
\def\MainOption#1{%
  \MainOptionIndex{#1}%
  \label{o+#1}%
  {\MainFont #1}}
\def\UsageOption#1{\UsageOptionIndex{#1}{\UsageFont #1}}
\def\MainCnt#1{%
  \MainCntIndex{#1}%
  \label{c+#1}%
  {\MainFont #1}}
\def\UsageCnt#1{\UsageCntIndex{#1}{\UsageFont #1}}
%%
%% These are abbreviations.
%%
\def\N{\Main}
\def\n{\Usage}
\def\E{\MainEnv}
\def\e{\UsageEnv}
\def\O{\MainOption}
\def\o{\UsageOption}
\def\C{\MainCnt}
\def\c{\UsageCnt}
%%
%% This is for listing commands in a description environment.
\def\xitem#1{\item[\Main{#1}]}
%%
%%
\renewcommand{\EveryVerbatimLine}[2]{}
\VerbatimFootnotes

%% User's guide and documented code have different index prologue.
\def\PrintUserIndex{{\let\ps@plain\@empty\@input{\jobname.ind}}}

\begingroup
  \catcode`\<=1 \catcode`\>=2
  \catcode`\{=13 \catcode`\}=12
  \catcode`\[=13
  \gdef\@MD<%
    \catcode`\{=13 \catcode`\}=12 \catcode`\[=13
    \def{##1}<\{<\MetaFont ##1\/>\}>%
    \def[##1]<\string[<\MetaFont ##1\/>]>>
\endgroup
\def\MD{%
  \NotNested
  \Ex
    \begingroup
      \@MD
      \def\end{\par\endgroup\end}%
      \def\\{\@centercr\Main}%
      \MainFont
      \Main}
\def\endMD{\endEx}

\endinput
%% END tvz-user.sty