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authorKarl Berry <karl@freefriends.org>2010-04-26 00:19:50 +0000
committerKarl Berry <karl@freefriends.org>2010-04-26 00:19:50 +0000
commit4b3e24f9fd2358785feef4daa64d4fdf84171f02 (patch)
treecad1e93de69f5c549bbf4ba377f0ea0198306644 /Master/texmf-dist/tex/latex/ltxmisc
parent0e583582a5df712714661b05da53cf99e99c3d79 (diff)
sansmath doc+own pkg (22apr10)
git-svn-id: svn://tug.org/texlive/trunk@17997 c570f23f-e606-0410-a88d-b1316a301751
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-rw-r--r--Master/texmf-dist/tex/latex/ltxmisc/sansmath.sty203
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-% LaTeX package sansmath: typeset sans-serif math using `text' fonts.
-%
-\ProvidesPackage{sansmath}[2006/11/10 \space ver 0.7 Donald Arseneau]
-%
-% Donald Arseneau, asnd@triumf.ca, Vancouver, Canada.
-%
-% This package is released to the public domain by the original
-% author, who does not support it, and requests that it be adopted
-% and supported by someone who actually knows something about math
-% font issues in LaTeX.
-%
-% The author was persuaded to use the name `sansmath' in hopes of
-% working with various text sans fonts (indicated by \sfdefault)
-% but the only good results seen were with Computer Modern and cmss.
-% (Helvetica with the `pslatex' package was very poor!)
-%
-% INSTRUCTIONS
-% ~~~~~~~~~~~~
-% Load this package by inserting `\usepackage{sansmath}' in the
-% document preamble. This will define a new math version `sans'
-% and a command `\sansmath', much like `\boldmath'. Note that
-% NO `\unsansmath' is defined, so if math is to be sans-serif for
-% just part of a document, one should declare `\sansmath' in a local
-% group (perhaps with \begin{sansmath}...\end{sansmath}).
-% Within the scope of the \sansmath declaration, math characters
-% will be taken from the text sans-serif family as much as possible.
-% The actual sans fonts are OT1 encodings of those indicated by the
-% meaning of \sfdefault WHEN THE PACKAGE WAS LOADED -- not the
-% meaning at each math environment!
-%
-% Since the (OT1) text fonts do not provide the lower-case greek
-% letters, there is a package option [eulergreek] to take the
-% lowercase greek from the Euler math fonts.
-% Since some (many) sans fonts have no uppercase greek letters either
-% (missing characters from the OT1 encoding), there is an option
-% [EULERGREEK] to take ALL greek letters from the euler fonts.
-% One should also investigate using Euler for ALL MATH in the document,
-% using package `euler' instead of this one!
-%
-% OT1 encoding is normally required to get the uppercase greek letters,
-% but if you use the [EULERGREEK] option or don't use any uppercase greek
-% letters, then you are welcome to define \sansmathencoding *before*
-% loading this package. There is also a package option [T1] to perform
-% that particuler definition. Note the comment above about only cmms
-% being good; even the T1-encoded ec fonts are poor substitutes.
-%
-% This package achieves math-italic by reloading the slanted version
-% of the text sans-serif font, and changing a fontdimen parameter
-% (spaceskip). This causes the italic correction to be applied between
-% letters (good) but does not break up the `fi' and `fl' ligatures (bad)
-% (Why does a sans font have these ligatures anyway?) At this point,
-% nothing is done about this bug.
-
-\providecommand\sansmathencoding{OT1}
-\DeclareOption{T1}{
- \def\sansmathencoding{T1}
-}
-
-\let\EulGreek\relax
-\let\EuUCGreek\relax
-\DeclareOption{EULERGREEK}{
- \ExecuteOptions{eulergreek}
- \def\EuUCGreek{%
- \@euG\Gamma \@euG\Delta \@euG\Theta \@euG\Lambda \@euG\Xi \@euG\Pi
- \@euG\Sigma \@euG\Upsilon \@euG\Phi \@euG\Psi \@euG\Omega
-}}
-\DeclareOption{eulergreek}{
- \def\EulGreek{%
- \ifnum\alpha<\@eugreekOffset
- \@eug\alpha \@eug\beta \@eug\gamma \@eug\delta \@eug\epsilon
- \@eug\zeta \@eug\eta \@eug\theta \@eug\iota \@eug\kappa \@eug\lambda
- \@eug\mu \@eug\nu \@eug\xi \@eug\pi \@eug\rho \@eug\sigma \@eug\tau
- \@eug\upsilon \@eug\phi \@eug\chi \@eug\psi \@eug\omega
- \@eug\varepsilon \@eug\vartheta \@eug\varpi \@eug\varphi
- \EuUCGreek
- \let\varrho\rho \let\varsigma\sigma % Euler's missing variants
- \fi
-}}
-
-\ProcessOptions
-
-\DeclareMathAlphabet{\mathsfsl}{\sansmathencoding}{\sfdefault}{m}{sl}
-\DeclareOldFontCommand{\sfsl}{\normalfont\sffamily\slshape}{\mathsfsl}
-\DeclareMathAlphabet{\mathsfbf}{\sansmathencoding}{\sfdefault}{bx}{sl}
-\DeclareOldFontCommand{\sfbf}{\normalfont\sffamily\bfseries}{\mathsfbf}
-
-\DeclareMathVersion{sans}
-\SetMathAlphabet{\mathrm} {sans}{\sansmathencoding}{\sfdefault}{m}{n}
-\SetMathAlphabet{\mathsfsl}{sans}{\sansmathencoding}{\sfdefault}{m}{sl}
-\SetSymbolFont {operators}{sans}{OT1}{\sfdefault}{m}{n}
-
-% The cmm and cmsy are too light for cmss. I tried {b} for the next
-% two lines, but it did not work well (unbold +, bold greek, bad \neq)
-\SetSymbolFont {letters} {sans}{OML}{cmm} {m}{it}
-\SetSymbolFont {symbols} {sans}{OMS}{cmsy}{m}{n}
-
-\SetMathAlphabet{\mathsfbf}{sans}{\sansmathencoding}{\sfdefault}{bx}{n}
-
-\DeclareMathSymbol{0}{\mathord}{operators}{`0}
-\DeclareMathSymbol{1}{\mathord}{operators}{`1}
-\DeclareMathSymbol{2}{\mathord}{operators}{`2}
-\DeclareMathSymbol{3}{\mathord}{operators}{`3}
-\DeclareMathSymbol{4}{\mathord}{operators}{`4}
-\DeclareMathSymbol{5}{\mathord}{operators}{`5}
-\DeclareMathSymbol{6}{\mathord}{operators}{`6}
-\DeclareMathSymbol{7}{\mathord}{operators}{`7}
-\DeclareMathSymbol{8}{\mathord}{operators}{`8}
-\DeclareMathSymbol{9}{\mathord}{operators}{`9}
-\DeclareMathSymbol{!}{\mathclose}{operators}{"21}
-\DeclareMathSymbol{,}{\mathpunct}{operators}{`\,}
-\DeclareMathSymbol{.}{\mathord}{operators}{`\.}
-\DeclareMathSymbol{:}{\mathrel}{operators}{`\:}
-\DeclareMathSymbol{;}{\mathpunct}{operators}{`\;}
-\DeclareMathSymbol{?}{\mathclose}{operators}{`\?}
-%\DeclareMathSymbol{+}{\mathbin}{operators}{"2B}
-%\DeclareMathSymbol{=}{\mathrel}{operators}{`\=}
-
-
-\ifx\EulGreek\relax\else
- \DeclareSymbolFont{EulerGreek}{U}{eur}{m}{n}
- \SetSymbolFont{EulerGreek}{sans}{U}{eur}{m}{n}
- \DeclareSymbolFontAlphabet\matheug{EulerGreek}
-
- \newcount\@eugreekOffset
- \let\@tempa\relax
- \DeclareMathSymbol{\@tempa}{\mathord}{EulerGreek}{11}
- \@eugreekOffset\@tempa
- \advance\@eugreekOffset-\alpha
-
- \def\@eug#1{\@tempcnta#1\advance\@tempcnta\@eugreekOffset
- \mathchardef#1\@tempcnta}
-
- \ifx\EuUCGreek\relax\else
-
- \newcount\@euGREEKOffset
- \let\@tempa\relax
- \DeclareMathSymbol{\@tempa}{\mathord}{EulerGreek}{1}
- \@euGREEKOffset\@tempa
- \advance\@euGREEKOffset-\Delta
-
- \def\@euG#1{\@tempcnta#1\advance\@tempcnta\@euGREEKOffset
- \mathchardef#1\@tempcnta}
- \fi
-\fi
-
-\def\sfMathSwitch{\sfsl
- \make@math@version@font \textfont \fam \tf@size
- \make@math@version@font \scriptfont \fam \sf@size
- \make@math@version@font \scriptscriptfont \fam \ssf@size
-}
-
-\def\make@math@version@font #1#2#3{%
- \begingroup
- \escapechar\m@ne
- \xdef\sansm@name{\expandafter\string\the#1#2+}%
- \endgroup
- \@ifundefined{\sansm@name}{%
- \@load@variant@font \sansm@name{#1#2}{#3\p@}}{}%
- #1#2\csname \sansm@name\endcsname
-}
-
-\begingroup
-\catcode`\A=12 \catcode`\T=12
-\lowercase{% necessary because \fontname\font produces "at" in catcode 12.
-\endgroup
-%
-\def\@load@variant@font #1#2#3{\expandafter\@do@load@varfont
- \csname #1\expandafter\endcsname \fontname#2 AT #3 AT \relax }
-%
-\def\@do@load@varfont #1#2 AT #3 AT #4\relax{%
- \dimen@#3\advance\dimen@ 1sp
- \global\font #1=#2 at \dimen@
- \fontdimen\tw@#1=\z@}
-}
-
-\def\sansmath{%
- \mathversion{sans}%
- \let\mathbf\mathsfbf
- \let\sansm@every@math\sfMathSwitch
- \EulGreek
-}
-
-\expandafter\def\expandafter\check@mathfonts\expandafter{\check@mathfonts
- \sansm@every@math}
-
-\let\sansm@every@math\relax
-
-% Repair of a LaTeX bug that has not been fixed in 5 years.
-% Latex bug: latex/3357
-
-\def \@fontswitch #1#2{%
- \ifmmode
- \let \math@bgroup \relax
- \def \math@egroup ##1{%
- \let \math@bgroup \@@math@bgroup
- \let \math@egroup \@@math@egroup
- ##1}%
- #2\relax
- \else
- #1%
- \fi
-}
-