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ltnews.cls
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1995-03-15
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% \iffalse meta-comment
%
% Copyright 1994 the LaTeX3 project and the individual authors.
% All rights reserved. For further copyright information see the file
% legal.txt, and any other copyright indicated in this file.
%
% This file is part of the LaTeX2e system.
% ----------------------------------------
%
% This system is distributed in the hope that it will be useful,
% but WITHOUT ANY WARRANTY; without even the implied warranty of
% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
%
%
% IMPORTANT NOTICE:
%
% For error reports in case of UNCHANGED versions see bugs.txt.
%
% Please do not request updates from us directly. Distribution is
% done through Mail-Servers and TeX organizations.
%
% You are not allowed to change this file.
%
% You are allowed to distribute this file under the condition that
% it is distributed together with all files mentioned in manifest.txt.
%
% If you receive only some of these files from someone, complain!
%
% You are NOT ALLOWED to distribute this file alone. You are NOT
% ALLOWED to take money for the distribution or use of either this
% file or a changed version, except for a nominal charge for copying
% etc.
% \fi
% Filename: ltnews.cls
% Author: Alan Jeffrey
% Version: 0.07
% This is the LaTeX2e document class for the `LaTeX News' information
% sheet which comes with every LaTeX release. It may be useful for
% newsletters, or as an example of how simple newsletters can be set with
% LaTeX. The changes log is at the end of the file.
% Copyright 1994 Alan Jeffrey and the LaTeX3 project. All rights reserved.
% This is a LaTeX2e document class.
\NeedsTeXFormat{LaTeX2e}
\ProvidesClass{ltnews}[1994/11/29 Standard LaTeX class]
% The configuration file, used for passing options.
\InputIfFileExists{ltnews.cfg}{%
\ClassInfo{ltnews}{Using local configuration file}%
}{%
\ClassInfo{ltnews}{No local configuration file}%
}
% The lw35fonts option uses the fonts:
%
% Adobe Palatino (main text)
% Adobe Helvetica Bold (headings)
% Courier (program listings)
% Mathptm math italic (2e logo)
% Mathptm symbol font (AMS logo)
%
% The type1fonts option uses the fonts:
%
% Adobe Utopia (main text)
% URW Grotesk-T Bold (headings)
% Lucida Sans typewriter (program listings)
% Mathptm math italic (2e logo)
% Mathptm symbol font (AMS logo)
% The Adobe Palatino fonts:
\DeclareFontFamily{OT1}{ppl}{}
\DeclareFontShape{OT1}{ppl}{m}{n}{<-> pplr7t}{}
\DeclareFontShape{OT1}{ppl}{m}{sc}{<-> pplrc7t}{}
\DeclareFontShape{OT1}{ppl}{m}{it}{<-> pplri7t}{}
% The Adobe Helvetica fonts:
\DeclareFontFamily{OT1}{phv}{}
\DeclareFontShape{OT1}{phv}{b}{n}{<-> phvb7t}{}
% The Adobe Courier fonts:
\DeclareFontFamily{OT1}{pcr}{\hyphenchar\font=-1}
\DeclareFontShape{OT1}{pcr}{m}{n}{<-> pcrr7t}{}
% The Utopia fonts:
\DeclareFontFamily{OT1}{put}{}
\DeclareFontShape{OT1}{put}{m}{n}{<-> putr7t}{}
\DeclareFontShape{OT1}{put}{m}{sc}{<-> putrc7t}{}
\DeclareFontShape{OT1}{put}{m}{it}{<-> putri7t}{}
% The URW Grotesk fonts:
\DeclareFontFamily{OT1}{ugq}{}
\DeclareFontShape{OT1}{ugq}{b}{n}{<-> ugqb7t}{}
% The Lucida Sans Typewriter fonts:
\DeclareFontFamily{OT1}{hlct}{\hyphenchar\font=-1}
\DeclareFontShape{OT1}{hlct}{m}{n}{<-> hlct7t}{}
% The mathptm math italic:
\DeclareFontFamily{OML}{ptmcm}{\skewchar\font=127}
\DeclareFontShape{OML}{ptmcm}{m}{it}{<-> zptmcmrm}{}
% The mathptm symbol font:
\DeclareFontFamily{OMS}{pzccm}{}
\DeclareFontShape{OMS}{pzccm}{m}{n}{<-> zpzccmry}{}
% The TeX logo for use with Palatino.
\def\pplTeX{T\kern-.15em\lower.4ex\hbox{E}\kern-.1emX\@}
% The LaTeX logo for use with Palatino.
\DeclareRobustCommand{\pplLaTeX}{L\kern-.3em
{\setbox0\hbox{T}%
\vbox to\ht0{\hbox{%
\csname S@\f@size\endcsname
\fontsize\sf@size\z@
\math@fontsfalse\selectfont
A}%
\vss}%
}%
\kern-.07em
\TeX}
% The TeX logo for use with Utopia.
\def\putTeX{T\kern-.1667em\lower.4ex\hbox{E}\kern-.075emX\@}
% The LaTeX logo for use with Utopia.
\DeclareRobustCommand{\putLaTeX}{L\kern-.2em
{\setbox0\hbox{T}%
\vbox to\ht0{\hbox{%
\csname S@\f@size\endcsname
\fontsize\sf@size\z@
\math@fontsfalse\selectfont
A}%
\vss}%
}%
\kern-.05em
\TeX}
% The TeX logo for use with Helvetica.
\def\phvTeX{T\kern-.1em\lower.4ex\hbox{E}\kern-.05emX\@}
% The LaTeX logo for use with Helvetica.
\DeclareRobustCommand{\phvLaTeX}{L\kern-.3em
{\calculate@math@sizes
\setbox0\hbox{T}%
\vbox to\ht0{\hbox{%
\csname S@\f@size\endcsname
\fontsize\sf@size\z@
\math@fontsfalse\selectfont
A}%
\vss}%
}%
\kern-.05em
\TeX}
% The TeX logo for use with Grotesk.
\def\ugqTeX{T\kern-.1em\lower.4ex\hbox{E}\kern-.05emX\@}
% The LaTeX logo for use with Grotesk.
\DeclareRobustCommand{\ugqLaTeX}{L\kern-.15em
{\calculate@math@sizes
\setbox0\hbox{T}%
\vbox to\ht0{\hbox{%
\csname S@\f@size\endcsname
\fontsize\sf@size\z@
\math@fontsfalse\selectfont
A}%
\vss}%
}%
\kern-.01em
\TeX}
% The TeX logo for use with CMSS.
\def\cmssTeX{T\kern-.2em\lower.4ex\hbox{E}\kern-.05emX\@}
% The LaTeX logo for use with CMSS.
\DeclareRobustCommand{\cmssLaTeX}{L\kern-.22em
{\setbox0\hbox{T}%
\vbox to\ht0{\hbox{%
\csname S@\f@size\endcsname
\fontsize\sf@size\z@
\math@fontsfalse\selectfont
A}%
\vss}%
}%
\kern-.17em
\TeX}
% Switch off some of the article options.
\DeclareOption{a4paper}{\OptionNotUsed}
\DeclareOption{a5paper}{\OptionNotUsed}
\DeclareOption{b5paper}{\OptionNotUsed}
\DeclareOption{letterpaper}{\OptionNotUsed}
\DeclareOption{legalpaper}{\OptionNotUsed}
\DeclareOption{executivepaper}{\OptionNotUsed}
\DeclareOption{landscape}{\OptionNotUsed}
\DeclareOption{twoside}{\OptionNotUsed}
\DeclareOption{titlepage}{\OptionNotUsed}
\DeclareOption{onecolumn}{\OptionNotUsed}
% The CM fonts
\newcommand{\@titlefont}{\normalfont\Huge}
\newcommand{\@indiciafont}{\normalfont\footnotesize}
\newcommand{\@headingfont}{%
\large\sffamily\slshape
\let\LaTeX\cmssLaTeX\let\TeX\cmssTeX
}
% The LW 35 fonts option
\DeclareOption{lw35fonts}{%
\renewcommand{\rmdefault}{ppl}%
\renewcommand{\ttdefault}{pcr}%
\renewcommand{\sfdefault}{phv}%
\renewcommand{\@titlefont}{%
\fontsize{50}{60}\fontfamily{phv}\fontseries{b}\selectfont
\let\LaTeX\phvLaTeX\let\TeX\phvTeX
}%
\renewcommand{\@indiciafont}{%
\fontsize{8}{10}\fontfamily{ppl}\fontshape{it}\selectfont
}%
\renewcommand{\@headingfont}{%
\fontsize{12}{14}\fontfamily{phv}\fontseries{b}\selectfont
\let\LaTeX\phvLaTeX\let\TeX\phvTeX
}%
\DeclareSymbolFont{letters}{OML}{ptmcm}{m}{it}%
\DeclareSymbolFont{symbols}{OMS}{pzccm}{m}{n}%
\let\LaTeX\pplLaTeX
\let\TeX\pplTeX
}
% The type 1 fonts option
\DeclareOption{type1fonts}{%
\renewcommand{\rmdefault}{put}%
\renewcommand{\ttdefault}{hlct}%
\renewcommand{\sfdefault}{ugq}%
\renewcommand{\@titlefont}{%
\fontsize{50}{60}\fontfamily{ugq}\fontseries{b}\selectfont
\let\LaTeX\ugqLaTeX\let\TeX\ugqTeX
}%
\renewcommand{\@indiciafont}{%
\fontsize{8}{10}\fontfamily{put}\fontshape{it}\selectfont
}%
\renewcommand{\@headingfont}{%
\fontsize{12}{14}\fontfamily{ugq}\fontseries{b}\selectfont
\let\LaTeX\ugqLaTeX\let\TeX\ugqTeX
}%
\renewcommand{\verbatim@font}{%
\fontsize{9}{12}\fontfamily{hlct}\selectfont
}%
\DeclareSymbolFont{letters}{OML}{ptmcm}{m}{it}%
\DeclareSymbolFont{symbols}{OMS}{pzccm}{m}{n}%
\let\LaTeX\putLaTeX
\let\TeX\putTeX
}
% The default action for any option is to pass it to the article
% class.
\DeclareOption*{\PassOptionsToClass{\CurrentOption}{article}}
% Execute the options.
\ProcessOptions
% Load the article class.
\LoadClass[twocolumn,oneside]{article}
% The page style.
\pagestyle{empty}
\setlength{\parindent}{1em}
\setlength{\rightskip}{0pt plus \textwidth}
\setlength{\@rightskip}{\rightskip}
\setlength{\parfillskip}{0pt plus 2\textwidth}
\setlength{\columnsep}{2em}
% The text size, which tries to work with both A4 and letter paper sizes.
\setlength{\textheight}{230mm}
\setlength{\topmargin}{-10mm}
\setlength{\textwidth}{180mm}
\setlength{\oddsidemargin}{-10mm}
% \maketitle parameters.
\newcommand{\publicationmonth}{\renewcommand{\@month}}
\newcommand{\@month}{\ClassError{ltnews}
{No \protect\publicationmonth~given}\@eha}
\newcommand{\publicationyear}{\renewcommand{\@year}}
\newcommand{\@year}{\ClassError{ltnews}
{No \protect\publicationyear~given}\@eha}
\newcommand{\publicationissue}{\renewcommand{\@issue}}
\newcommand{\@issue}{\ClassError{ltnews}
{No \protect\publicationissue~given}\@eha}
\newcommand{\issuename}{Issue}
\newcommand{\indicia}{\renewcommand{\@indicia}}
\newcommand{\@indicia}{%
\LaTeXNews, and the \LaTeX{} software,
is brought to you by the \LaTeX3 project team;
Copyright \@year, all rights reserved.
}
\title{\LaTeXNews}
% The \maketitle for the LaTeX News.
\renewcommand{\maketitle}{%
\twocolumn[{%
\parbox[t][7\baselineskip]{\textwidth}{%
\@titlefont\@title\\[\medskipamount]
\normalfont\normalsize\issuename~\@issue, \@month~\@year
}%
}]%
\thispagestyle{titlepage}
}
\newcommand{\ps@titlepage}{%
\renewcommand{\@oddhead}{\hfill}%
\renewcommand{\@evenhead}{\hfill}%
\renewcommand{\@oddfoot}{\@indiciafont\@indicia\hfill}%
\renewcommand{\@evenfoot}{\@indiciafont\@indicia\hfill}%
}
% Sectioning commands.
\renewcommand{\section}{%
\@startsection
{section}{1}{\z@}{-1.5ex \@plus -1ex \@minus -.2ex}%
{1ex \@plus.2ex}{\@headingfont}%
}
% No section numbers.
\setcounter{secnumdepth}{0}
% Set lists tighter, but brought in by 1em (otherwise the first line
% always looks very wide).
\renewcommand{\@listI}{%
\setlength{\parsep}{0pt}%
\setlength{\topsep}{\medskipamount}%
\setlength{\itemsep}{0pt}%
\setlength{\listparindent}{1em}%
\setlength{\rightskip}{1em}%
}
\newenvironment{citations}{%
\list{}{%
\renewcommand{\makelabel}[1]{\itshape{##1},}%
}%
}{%
\endlist
}
% Some logos.
\newcommand{\NFSS}{NFSS}
\newcommand{\LaTeXNews}{\LaTeX~News}
\newcommand{\AW}{Addison Wesley}
\newcommand{\SLiTeX}{\textsc{Sli}\TeX}
\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}}
% Hacking to make <...> produce italics in verbatim. NB: this can be
% done more cleanly using the verbatim package. But the ltnews class has
% to run on any LaTeX installation, even those without the verbatim
% package.
% 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 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>{{\reset@font\normalsize\itshape#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\-}
% That's it!
\endinput
% CHANGELOG
%
% 20 May 1994, v0.01: Created file.
%
% 21 May 1994, v0.02: Made <...> produce italics inside verbatim. Added
% the indicia, \publicationyear, \publicationmonth and
% \publicationissue. Added the citations environment. Switched off
% some of the article class options.
%
% 21 May 1994, v0.03: Fixed a bug with ragged right. Fixed a bug
% which was causing underfull hbox messages.
%
% 27 May 1994, v0.04: Added SliTeX logo, and proper AMS LaTeX logo.
% Added angle brackets to <...>.
%
% 31 May 1994, v0.05: Added downloaded PS fonts options. Removed
% angle brackets from <...> since these were the last remaining
% bitmaps! Added variants of the LaTeX logo. Added the ltnews.cfg
% file. Added the lw35fonts option.
%
% 27 Jul 1994, v0.06: Corrected a typo `\PassOptionToClass' should
% have been `\PassOptionsToClass'. Manas Mandal pointed that one
% out.
%
% 29 Nov 1994, v0.07: Made <...> only active in verbatim.
% BUGS
%
% Switching between logos like this is a mess.
%
% The last column should be set flush bottom.