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+% \iffalse meta-comment
+%
+% Copyright 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004
+% The LaTeX3 Project and any individual authors listed elsewhere
+% in this file.
+%
+% This file is part of the LaTeX base system.
+% -------------------------------------------
+%
+% It may be distributed and/or modified under the
+% conditions of the LaTeX Project Public License, either version 1.3
+% 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 1.3 or later is part of all distributions of LaTeX
+% version 2003/12/01 or later.
+%
+% This file has the LPPL maintenance status "maintained".
+%
+% The list of all files belonging to the LaTeX base distribution is
+% given in the file `manifest.txt'. See also `legal.txt' for additional
+% information.
+%
+% The list of derived (unpacked) files belonging to the distribution
+% and covered by LPPL is defined by the unpacking scripts (with
+% extension .ins) which are part of the distribution.
+%
+% \fi
+% Filename: ltxguide.cls
+% Author: Alan Jeffrey
+% Version: 0.14 1999/03/06
+
+% This is the document class for the LaTeX guides `LaTeX2e for authors'
+% and `LaTeX2e for class and package writers'. The changes log is at
+% the end of the file.
+
+% Copyright 1994 1999 Alan Jeffrey and the LaTeX3 project.
+
+% This is a LaTeX2e document class.
+
+\NeedsTeXFormat{LaTeX2e}[1994/12/01]
+\ProvidesClass{ltxguide}[2001/05/28 Standard LaTeX class]
+
+% Input any local configuration file.
+
+\InputIfFileExists{ltxguide.cfg}
+ {\typeout {**********************************************^^J%
+ * Local configuration file ltxguide.cfg used *^^J%
+ **********************************************}}
+ {\ClassInfo{ltxguide}{Local configuration file not found}}
+
+% All options are passed to the article class.
+
+\DeclareOption*{\PassOptionsToClass{\CurrentOption}{article}}
+\ProcessOptions
+\LoadClass{article}
+
+% No paragraph indentation, space between paragraphs.
+
+\setlength{\parindent}{0pt}
+\setlength{\parskip}{\medskipamount}
+
+% The names of some documents:
+
+\newcommand{\clsguide}{\LaTeXe{} for Class and Package Writers}
+\newcommand{\usrguide}{\LaTeXe{} for Authors}
+\newcommand{\fntguide}{\LaTeXe{} Font Selection}
+\newcommand{\cfgguide}{Configuration options for \LaTeXe}
+\newcommand{\cyrguide}{Cyrillic languages support in \LaTeX}
+\newcommand{\modguide}{Modifying \LaTeX}
+\newcommand{\sourcecode}{\LaTeX: the program}
+\newcommand{\LaTeXbook}{\LaTeX: A Document Preparation System}
+\newcommand{\LaTeXcomp}{The \LaTeX{} Companion}
+\newcommand\LaTeXGcomp{The \LaTeX{} Graphics Companion}
+\newcommand\LaTeXWcomp{The \LaTeX{} Web Companion}
+
+\newcommand{\babel}{\textsf{babel}}
+\newcommand{\ctan}{\textsc{ctan}}
+
+\newcommand{\eg}{e.g.,~}
+\newcommand{\ie}{i.e.,~}
+
+% The SliTeX logo:
+
+\newcommand{\SLiTeX}{\textsc{Sli}\TeX}
+
+% A declaration of a command, in a box, set out into the margin.
+%
+% Unfortunately, there is a bug with this command, which allows page
+% breaks to happen after a \begin{decl}[DATE]: it is a bug with TeX that
+% makes it very difficult to get page-breaks correct near marginals,
+% especially at the end of a paragraph.
+
+\newenvironment{decl}[1][]%
+ {\par\small\addvspace{4.5ex plus 1ex}%
+ \vskip -\parskip
+ \ifx\relax#1\relax
+ \def\@decl@date{}%
+ \else
+ \def\@decl@date{\NEWfeature{#1}}%
+ \fi
+ \noindent\hspace{-\leftmargini}%
+ \begin{tabular}{|l|}\hline\ignorespaces}%
+ {\\\hline\end{tabular}\nobreak\@decl@date\par\nobreak
+ \vspace{2.3ex}\vskip -\parskip}
+
+% Run the toc tighter:
+
+\def\@starttoc#1{\begingroup
+ \makeatletter
+ \parskip\z@\@plus\p@\relax % <----
+ \@input{\jobname.#1}\if@filesw
+ \expandafter\newwrite\csname tf@#1\endcsname
+ \immediate\openout
+ \csname tf@#1\endcsname \jobname.#1\relax
+ \fi \global\@nobreakfalse \endgroup}
+
+% Some hacks with verbatim... NB: this would be better done with the
+% verbatim package, but this document has to run on any LaTeX
+% installation.
+
+\let\o@verbatim\verbatim
+\def\verbatim{%
+ \ifhmode\unskip\par\fi
+% \nopagebreak % Overridden by list penalty
+ \ifx\@currsize\normalsize
+ \small
+ \fi
+ \o@verbatim
+}
+
+% Here we extend the font-setting command to include making <> active
+% (ie adjusting the input encoding).
+\renewcommand \verbatim@font {%
+ \normalfont \ttfamily
+ \catcode`\<=\active
+ \catcode`\>=\active
+}
+
+% Make |...| a synonym for \verb|...|.
+\RequirePackage{shortvrb}
+\MakeShortVerb{\|}
+
+
+% Make active <...> produce italics surrounded by angle brackets
+% (used in verbatim and \verb).
+% << produces a less-than, and >> produces a greater-than.
+
+\begingroup
+ \catcode`\<=\active
+ \catcode`\>=\active
+ \gdef<{\@ifnextchar<\@lt\@meta}
+ \gdef>{\@ifnextchar>\@gt\@gtr@err}
+ \gdef\@meta#1>{\m{#1}}
+ \gdef\@lt<{\char`\<}
+ \gdef\@gt>{\char`\>}
+\endgroup
+\def\@gtr@err{%
+ \ClassError{ltxguide}{%
+ Isolated \protect>%
+ }{%
+ In this document class, \protect<...\protect>
+ is used to indicate a parameter.\MessageBreak
+ I've just found a \protect> on its own.
+ Perhaps you meant to type \protect>\protect>?
+ }%
+}
+\def\verbatim@nolig@list{\do\`\do\,\do\'\do\-}
+
+% Various forms of argument:
+
+\newcommand{\m}[1]{\mbox{$\langle$\it #1\/$\rangle$}}
+\renewcommand{\arg}[1]{{\tt\string{}\m{#1}{\tt\string}}}
+\newcommand{\oarg}[1]{{\tt[}\m{#1}{\tt]}}
+
+% Logos.
+
+\newcommand{\NFSS}{\textsf{NFSS}}
+
+\newcommand{\AmS}{$${\protect\the\textfont2 A}\kern-.1667em\lower
+ .5ex\hbox{\protect\the\textfont2 M}\kern
+ -.125em{\protect\the\textfont2 S}}
+
+\newcommand{\AmSLaTeX}{\mbox{\AmS-\LaTeX}}
+
+% Table of contents is two deep.
+
+\setcounter{tocdepth}{2}
+
+% Allow more flexibility about bad paragraphs.
+
+\tolerance500
+
+% Marginal notes for new features and description:
+% Changed to command and hacked by Chris to get better positioning and
+% a better chance of printing:
+\newcommand{\NEWfeature}[1]{%
+ \hskip 1sp \marginpar{\small\sffamily\raggedright
+ New feature\\#1}}
+\newcommand{\NEWdescription}[1]{%
+ \hskip 1sp \marginpar{\small\sffamily\raggedright
+ New description\\#1}}
+
+\newcommand{\URL}[1]{\texttt{#1}}
+
+% That's it!
+
+\endinput
+
+% CHANGELOG
+%
+% 24 May 1994, ASAJ: Turned the collection of macros used by
+% usrguide and clsguide into a class.
+%
+% 27 May 1994, ASAJ: Added the SliTeX logo.
+%
+% 28 May 1994, ASAJ: Made << and >> produce < and > inside verbatim.
+% Added ltxguide.cfg.
+%
+% 29 May 1994, ASAJ: Added italic correction to <...>.
+% Added \sourcecode.
+%
+% 1 Jun 1994, ASAJ: Made toc run tighter, corrected bug with verbatim.
+%
+% 28 Jun 1994, CAR: Restricted active <> to verb(atim).
+% Removed ineffective \nopagebreak
+%
+% 23 Sep 1994, ASAJ: Replaced \PassOptionsToPackage{article} with
+% \PassOptionsToClass{article}.
+%
+% 30 Oct 1994, ASAJ: Added environments NEWfeature and NEWdescription.
+%
+% 20 Nov 1994, CAR: Changed NEWfeature and NEWdescription to improve
+% alignment: pagebreaking still not working.
+%
+% 14 Dec 1994, DPC: Add \par to verbatim redefinition.
+% Reported by Ulrik Vieth.
+% 24 July 1995, CAR: Changed cfg messages.
+%
+% 21 Sept 1995, \RequirePackage{shortvrb} for latex/1875
+%
+% 22 Nov 1995, CAR: Corrected cfg loading.
+%
+% 28 Nov 1995, CAR: Added \cfgguide and \modguide.
+%
+% 29 Nov 1995, DPC: Make \small in verbatim conditional on \normalsize.
+%
+% 28 Feb 1999, CAR: Added some shorthand commands.
+%
+% 06 Mar 1999, RmS: Added \URL.
+%
+% 28 May 2001, CAR: Added some more shorthand commands (for books).