summaryrefslogtreecommitdiff
path: root/macros/latex-dev/base/latexsym.dtx
blob: 4ad17315899321f1b37a4e838855fc1966a5d97c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
% \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
%
%