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authorNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
committerNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
commite0c6872cf40896c7be36b11dcc744620f10adf1d (patch)
tree60335e10d2f4354b0674ec22d7b53f0f8abee672 /macros/latex/contrib/frankenstein/slemph.sty
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+%^^A* legal notices
+% \iffalse
+%
+% This program is part of the Frankenstein bundle for LaTeX.
+%
+% Copyright 1995-2001 Matt Swift <swift@alum.mit.edu>.
+%
+% This file contains both the code and documentation for the
+% slemph LaTeX package. It will work ONLY if it is placed in a
+% proper directory. Files called README, INSTALL, slemph.tex
+% and slemph.ins should have also been distributed to you
+% with this file. See them for more information on how to typeset
+% the documentation with LaTeX and how to generate a version of this
+% file that will work faster than this one.
+%
+% This program is free software; you may redistribute it and/or
+% modify it under the conditions of the LaTeX Project Public
+% License, either version 1.2 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.
+%
+% This program 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. See the
+% LaTeX Project Public License for more details.
+%
+% \fi
+%
+%^^A* checks
+%
+%^^A NOTE: The character table, with two %'s, will get written to all files.
+%% \CharacterTable
+%% {Upper-case \A\B\C\D\E\F\G\H\I\J\K\L\M\N\O\P\Q\R\S\T\U\V\W\X\Y\Z
+%% Lower-case \a\b\c\d\e\f\g\h\i\j\k\l\m\n\o\p\q\r\s\t\u\v\w\x\y\z
+%% Digits \0\1\2\3\4\5\6\7\8\9
+%% Exclamation \! Double quote \" Hash (number) \#
+%% Dollar \$ Percent \% Ampersand \&
+%% Acute accent \' Left paren \( Right paren \)
+%% Asterisk \* Plus \+ Comma \,
+%% Minus \- Point \. Solidus \/
+%% Colon \: Semicolon \; Less than \<
+%% Equals \= Greater than \> Question mark \?
+%% Commercial at \@ Left bracket \[ Backslash \\
+%% Right bracket \] Circumflex \^ Underscore \_
+%% Grave accent \` Left brace \{ Vertical bar \|
+%% Right brace \} Tilde \~}
+%
+% \CheckSum{41}
+%
+% \begin{abstract}
+% The \package{slemph} package defines the commands \cs\itswitch, \cs\slswitch,
+% \cs\textitswitch, and \cs\textslswitch, which switch between slanted or
+% italic type and upright type. They can be used to represent emphasis with
+% slanted type.
+% \end{abstract}
+% \tableofcontents
+%
+% \part{Discussion}
+%
+% \DescribeMacro\itswitch
+% \cs\itswitch calls \cs\itshape if the current font is not italic, and
+% \cs\upshape if the current font is italic.
+%
+% \DescribeMacro\slswitch
+% \cs\slswitch calls \cs\slshape if the current font is not slanted, and
+% \cs\upshape if the current font is slanted.
+%
+% \DescribeMacro\textitswitch
+% \cs\textitswitch\marg{text} sets its argument with \cs\itshape if the
+% current font is not italic, or \cs\upshape if the current font is italic.
+%
+% \DescribeMacro\textslswitch
+% \cs\textslswitch\marg{text} sets its argument with \cs\slshape if the
+% current font is not slanted, or \cs\upshape if the current font is slanted.
+%
+% Regarding all four commands above, notice that the factory definition of
+% \cs\em would switch based on whether the current font was \emph{sloped},
+% which includes both slanted and italic type. I think slanted and italic type
+% are different enough that you can leave, say, an italic word in the midst of
+% a slanted context and it will still communicate to the reader whatever italic
+% type signifies in an upright context.
+%
+% \StopEventually{}
+%
+% \part{Implementation}
+%
+% \section{Version control}
+%
+% \begin{macro}{\fileinfo}
+% \begin{macro}{\DoXUsepackagE}
+% \begin{macro}{\HaveECitationS}
+% \begin{macro}{\fileversion}
+% \begin{macro}{\filedate}
+% \begin{macro}{\docdate}
+% \begin{macro}{\PPOptArg}
+% These definitions must be the first ones in the file.
+% \begin{macrocode}
+\def\fileinfo{slanted emphasis (Frankenstein's gait)}
+\def\DoXPackageS {}
+\def\fileversion{v1.2}
+\def\filedate{1999/02/25}
+\def\docdate{1999/02/25}
+\edef\PPOptArg {%
+ \filedate\space \fileversion\space \fileinfo
+}
+% \end{macrocode}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+%
+% If we're loading this file from a \cs\ProcessDTXFile command (see the
+% \package{compsci} package), then \cs\JusTLoaDInformatioN will be defined;
+% othewise we assume it is not (that's why the FunkY NamE).
+%
+% If we're loading from \cs\ProcessDTXFile, we want to load the packages listed
+% in \cs\DoXPackageS (needed to typeset the documentation for this file) and
+% then bail out. Otherwise, we're using this file in a normal way as a
+% package, so do nothing. \cs\DoXPackageS, if there are any, are declared in
+% the \ext{dtx} file, and, if you're reading the typeset documentation of this
+% package, would appear just above. (It's OK to call \cs\usepackage with an
+% empty argument or \cs\relax, by the way.)
+% \begin{macrocode}
+\makeatletter% A special comment to help create bst files. Don't change!
+\@ifundefined{JusTLoaDInformatioN} {%
+ }{% ELSE (we know the compsci package is already loaded, too)
+ \UndefineCS\JusTLoaDInformatioN
+ \SaveDoXVarS
+ \eExpand\csname DoXPackageS\endcsname\In {%use \csname in case it's undefined
+ \usepackage{#1}%
+ }%
+ \RestoreDoXVarS
+ \makeatother
+ \endinput
+}% A special comment to help create bst files. Don't change!
+% \end{macrocode}
+%
+% Now we check for \LaTeX2e and declare the LaTeX package.
+% \begin{macrocode}
+\NeedsTeXFormat{LaTeX2e}
+\ProvidesPackage{slemph}[\PPOptArg]
+% \end{macrocode}^^A special comment to help create bst files. Don't change!
+%
+% ^^A NOTE: We have to compensate for the above backslashes, which are not
+% ^^A actually in the .dtx file the author works on, by adding to the
+% ^^A CheckSum.
+%%
+% \AddToCheckSum{17}^^A `dtx-update-checksum' automatically handles this.
+% \AddToCheckSum{7}^^A The half a macrocode env. at the top is missed, however...
+% \AddToCheckSum{10}^^A ... and so are the 5 \defs from the .dtx file
+% ^^A that precede it.
+% \IfCitations {%
+% \AddToCheckSum{2}^^A When \initelyHavECitationS is defined in
+% } ^^A the .dtx file, we need 2 more in the CheckSum.
+%
+%
+% \section{The switchers}
+%
+% \begin{macro}{\itswitch}
+% \begin{macro}{\textitswitch}
+% \begin{macro}{\slswitch}
+% \begin{macro}{\textslswitch}
+% Normally we would use the \cs\NewRobustCommand and \cs\NewTextFontCommand
+% commands from the \package{moredefs} package, but this package is so small we
+% might as well do that by hand and avoid dependence on that larger package,
+% for efficiency.
+% \begin{macrocode}
+\newcommand\itswitch {}
+\newcommand\slswitch {}
+\newcommand\textitswitch {}
+\newcommand\textslswitch {}
+
+\DeclareRobustCommand\itswitch {%
+ \@nomath\itswitch
+ \def\reserved@a{it}%
+ \ifx\f@shape\reserved@a
+ \upshape
+ \else
+ \itshape
+ \fi
+}
+\DeclareRobustCommand\slswitch {%
+ \@nomath\slswitch
+ \def\reserved@a{sl}%
+ \ifx\f@shape\reserved@a
+ \upshape
+ \else
+ \slshape
+ \fi
+}
+\DeclareTextFontCommand\textitswitch\itswitch
+\DeclareTextFontCommand\textslswitch\slswitch
+% \end{macrocode}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+%
+% \part{Configuration}
+%
+% Load a configuration file.
+% \begin{macrocode}
+\InputIfFileExists{slemph.cfg}{}{}
+% \end{macrocode}
+%
+% The contents of the distributed configuration file are below.
+%
+% \InputIfFileExists{slemph.cfg}{}{}
+%
+% \Finale