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% \iffalse meta-comment
%
% Copyright (C) 1993-2024
% The LaTeX 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 1.3c
% of this license or (at your option) any later version.
% The latest version of this license is in
% https://www.latex-project.org/lppl.txt
% and version 1.3c or later is part of all distributions of LaTeX
% version 2008 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
%
%
% \iffalse % this is a METACOMMENT !
%
% File `latexsym.dtx'.
% Copyright (C) 1994-2019 by Frank Mittelbach. All rights reserved.
%
%<package>\NeedsTeXFormat{LaTeX2e}
%<package>\ProvidesPackage{latexsym}
%<fd>\ProvidesFile{ulasy.fd}
%<-driver> [1998/08/17 v2.2e
%<package> Standard LaTeX package (lasy symbols)]
%<fd> LaTeX symbol font definitions]
%
%<*driver>
\documentclass{ltxdoc}
\usepackage{latexsym}
\GetFileInfo{latexsym.sty}
\providecommand\dst{\expandafter{\normalfont\scshape docstrip}}
\title{The \LaTeX{} symbol fonts for use with
\LaTeXe.\thanks{This file has version
number \fileversion, dated \filedate.}}
\date{\filedate}
\author{Frank Mittelbach}
\begin{document}
\MaintainedByLaTeXTeam{latex}
\maketitle
\DocInput{latexsym.dtx}
\end{document}
%</driver>
% \fi
%
% \changes{v2.2e}{1998/08/17}{Documentation fixes.}
%
% \section{Introduction}
%
% This file defines the package |latexsym| which makes the few
% additional characters available that come from the |lasy| fonts
% (\LaTeX's symbol fonts). These fonts are not automatically
% included in the NFSS2/\LaTeXe{} since they take up important
% space and aren't necessary if one makes use of the packages
% \texttt{amsfonts} or \texttt{amssymb}.
%
% The commands defined by the \texttt{latexsym} package are:
% \begin{quote}\raggedright
% |\mho|~$\mho$ \quad
% |\Join|~$\Join$ \quad
% |\Box|~$\Box$ \quad
% |\Diamond|~$\Diamond$ \quad
% |\leadsto|~$\leadsto$ \quad
% |\sqsubset|~$\sqsubset$ \quad
% |\sqsupset|~$\sqsupset$ \quad
% |\lhd|~$\lhd$ \quad
% |\unlhd|~$\unlhd$ \quad
% |\rhd|~$\rhd$ \quad
% |\unrhd|~$\unrhd$
% \end{quote}
%
% \MaybeStop{}
%
% \section{The \dst{} modules}
%
% The following modules are used in the implementation to direct
% \dst{} in generating the external files:
% \begin{center}
% \begin{tabular}{ll}
% driver & produce a documentation driver file \\
% package & produce a package file \\
% fd & produce a font definition file
% \end{tabular}
% \end{center}
%
%
% \section{The Implementation}
%
% The individual files generated from this code are identified at the
% very top of this file by a couple of lines looking like this:
% \begin{verbatim}
% %<fd>\ProvidesFile{Ulasy.fd}
% %<-driver> [????/??/?? v2.2?
% %<package> Standard LaTeX package (lasy symbols)]
% %<fd> LaTeX symbol font definitions]
%\end{verbatim}
%
% \begin{macrocode}
%<*package>
% \end{macrocode}
%
% \begin{macro}{\symlasy}
%
% It is possible to detect whether or not the \LaTeX{} symbols are
% already defined by checking for the math group number with the
% name |\symlasy|.
%
% In that case we exit but write a message to the transcript file.
% \begin{macrocode}
\ifx\symlasy\undefined \else
\wlog{Package latexsym: nothing to set up^^J}%
\endinput \fi
% \end{macrocode}
% Otherwise we define the new symbol font.
% \begin{macrocode}
\DeclareSymbolFont{lasy}{U}{lasy}{m}{n}
\SetSymbolFont{lasy}{bold}{U}{lasy}{b}{n}
% \end{macrocode}
% \end{macro}
%
%
% Because the lasy symbols are made an error in the format we have
% to undefine them before we can set them anew with
% |\DeclareMathSymbol|.
% \begin{macrocode}
\let\mho\undefined \let\sqsupset\undefined
\let\Join\undefined \let\lhd\undefined
\let\Box\undefined \let\unlhd\undefined
\let\Diamond\undefined \let\rhd\undefined
\let\leadsto\undefined \let\unrhd\undefined
\let\sqsubset\undefined
% \end{macrocode}
% \changes{v2.2a}{1995/03/18}{\cs{lhd} and friends should be bin ops.}
% \begin{macrocode}
\DeclareMathSymbol\mho {\mathord}{lasy}{"30}
\DeclareMathSymbol\Join {\mathrel}{lasy}{"31}
\DeclareMathSymbol\Box {\mathord}{lasy}{"32}
\DeclareMathSymbol\Diamond {\mathord}{lasy}{"33}
\DeclareMathSymbol\leadsto {\mathrel}{lasy}{"3B}
\DeclareMathSymbol\sqsubset{\mathrel}{lasy}{"3C}
\DeclareMathSymbol\sqsupset{\mathrel}{lasy}{"3D}
\DeclareMathSymbol\lhd {\mathbin}{lasy}{"01}
\DeclareMathSymbol\unlhd {\mathbin}{lasy}{"02}
\DeclareMathSymbol\rhd {\mathbin}{lasy}{"03}
\DeclareMathSymbol\unrhd {\mathbin}{lasy}{"04}
% \end{macrocode}
% To save some space we can remove the definition of |\not@base|
% since it isn't any longer needed. (We use |\@undefined| so that
% gives an error and not a recursive definition
% if it is still used somewhere.)
% \changes{v2.2b}{1995/07/03}{Free space for \cs{not@base}}
% \begin{macrocode}
\let\not@base\@undefined
%</package>
% \end{macrocode}
%
% \subsection{\LaTeX{} symbols fonts}
%
% \changes{v2.2d}{1996/11/20}{lowercase ulasy.fd /1044}
% The rest of this file defines the font shape declarations
% that have to go into the corresponding |.fd| file.
%
% \begin{macrocode}
%<*fd>
\DeclareFontFamily{U}{lasy}{}
\DeclareFontShape{U}{lasy}{m}{n}{ <5> <6> <7> <8> <9> gen * lasy
<10> <10.95> <12> <14.4> <17.28> <20.74> <24.88>lasy10 }{}
% \end{macrocode}
% Since there are no bold lasy symbols below 10pt we silently
% substitute them by the medium ones to avoid terminal warnings if
% |\boldmath| is selected.
% \begin{macrocode}
\DeclareFontShape{U}{lasy}{b}{n}{ <-10> ssub * lasy/m/n
<10> <10.95> <12> <14.4> <17.28> <20.74> <24.88>lasyb10 }{}
%</fd>
% \end{macrocode}
%
% The next line goes into all files and in addition prevents \dst{}
% from adding any further code from the main source file (such as a
% character table).
% \begin{macrocode}
\endinput
% \end{macrocode}
%
% \DeleteShortVerb{\|}
% \Finale
%
%
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