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%\CheckSum{329}
%
% \iffalse
%
% File `cmbright.dtx'.
% Copyright (c) 1994--2002 Walter Schmidt
%
% This program may be distributed and/or modified under the
% conditions of the LaTeX Project Public License, either version 1.2
% of this license 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 consists of the files cmbright.dtx, cmbr.fdd and
% cmbright.ins.
%
% \fi
%
% \iffalse
%
\NeedsTeXFormat{LaTeX2e}
%<cm&!patch> [1995/06/01]
%<*driver>
\ProvidesFile{cmbright.drv}
%</driver>
%<+cm>\ProvidesPackage{cmbright}
           [2002/05/25 v7.1 (WaS)]     
%
%<*driver> 
\documentclass[11pt]{ltxdoc}
\usepackage{mflogo,url}
\CodelineNumbered
\parindent1em
\leftmargini=2em
\leftmarginii=2em
\leftmarginiii=2em
\leftmarginiv=2em
\leftmargin\leftmargini
\labelwidth\leftmargin \advance\labelwidth by -\labelsep
\begin{document}
 \DocInput{cmbright.dtx}
\end{document}
%</driver>
% \fi
%
% \GetFileInfo{cmbright.drv}
% \DeleteShortVerb{\|}
% \MakeShortVerb{\+}
% \newcommand{\oitem}[1]{\item[\texttt{#1}]}
% 
% \title{The Computer Modern Bright fonts \\
% and \\
% the \LaTeX{} package \textsf{cmbright}}
% \author{Walter Schmidt\thanks{{\ttfamily was@VR-Web.de}}}
% \date{(\fileversion{} -- \filedate)}
% \maketitle
% \tableofcontents
%
% \section{The CM Bright fonts}
% `Computer Modern Bright' is a family of sans serif fonts,
% based on Donald Knuth's CM fonts.
% It includes OT1, T1 and TS1 encoded text fonts of various
% shapes as well as all the fonts necessary for mathematical
% typesetting, incl.\ the AMS symbols.
%
% CM Bright has been designed as a well legible standalone
% font.  It is `lighter' and less obtrusive than CM Sans Serif, which, 
% in contrast, is more appropriate for markup purposes within 
% a CM Roman environment.
%
% Together with CM Bright there comes a family of typewriter
% fonts, named `CM Typwewriter Light', which look better in
% combination with CM Bright than the ordinary \texttt{cmtt} fonts would do.
%
% The CM Bright fonts in \MF{} format are distributed 
% free from the CTAN archives, directory \texttt{fonts/cmbright}.
%
% The fonts are also available in Type1 format from
% MicroPress~Inc, see
% \path{<http://www.micropress-inc.com/fonts/brmath/brmain.htm>}.
%
% \section{The \LaTeX{} macro package \textsf{cmbright}}
%
% \subsection{Description}
% The \LaTeX{} macro package \textsf{cmbright}
% supports typesetting with the font family CM Bright.
% Loading the package 
% \begin{verse}
% +\usepackage{cmbright}+
% \end{verse}
% effects the following:
% \begin{itemize}
% \item The default sans serif font family for typesetting text and math
% is changed to \texttt{cmbr}, i.e.\ CM Bright.  
% \item 
% The sans serif font family is made the default one.
% \item A new mathematical alphabet +\mathbold+ provides bold slanted
% letters, inluding uppercase and lowercase Greek.
% \item The packages \textsf{amsfonts} or \textsf{amssymb}, 
% when loaded  additionally,
% will use the `CM Bright' versions of the AMS symbol fonts.
%
% Notice that you may still have to specify the option +psamsfonts+
% for these packages, so as to prevent them from using design sizes
% of the CM Math Extension and Euler Fraktur fonts, which may be 
% unavailable within your TeX system; this works flawlessly with
% version 7.1 of the \textsf{cmbright} package now.
% \item The default typewriter font family is changed to \texttt{cmtl},
% i.e.\ CM Typewriter Light.
% \item The line spacing (+\baselineskip+) for the font sizes 8--12\,pt
% is increased to approx. $1.25 \times \mathrm{size}$.
% \end{itemize}
%
% \subsection{Package options}
% \begin{description}
% \oitem{standard-baselineskips}
% This option prevents the package from enlarging the default line spacing.
% See the below section~\ref{sec:bugs}.
% \oitem{slantedGreek}
% When the macro package is loaded using this option,
% uppercase Greek letters will, by default, be slanted.
% Regardless of the option the new commands
% +\upDelta+ and +\upOmega+ will \emph{always} provide an 
% upright \( \Delta \) and \( \Omega \).
% \end{description}
%
% \subsection{Font encoding}
% The package does \emph{not} change the default output font
% encoding from OT1.  It is, however, recommended to make use of
% CM Bright through the extended T1 and TS1 encodings,
% since doing so does not imply any drawback.
%
% \subsection{Scaling of the `large' math symbols}
% In order to achieve proper scaling of the `large' math symbols,
% you may load the packages \textsf{exscale},
% \textsf{amsfonts} or \textsf{amssymb}
% additionally; they work in conjunction with \textsf{cmbright}, 
% too.
%
% \subsection{Known bugs and deficiencies}
% \label{sec:bugs}
% \begin{itemize}
% \item
% The automatic adaption of the line spacing was provided for the sake 
% of convenience.  Meanwhile it turned out that it causes many obscure
% problem, particularly in conjunction with other macro packages or
% with `moving arguments'.  Furthermore, the need to enlarge the default
% line spacing depends on the line width.
% We recommend to disable the feature by loading the package with the 
% option \textsf{standard-baselineskips}.
% and take care of the appropriate line spacing by use of the 
% +\linespread+ command, if necessary.
% \item 
% There is no `bold' +\mathversion+ to bolden complete formulae.
% (See, however, the mathematical alphabet +\mathbold+.)
% \item
% The \textsf{textcomp} package, if required, must be input \emph{after}
% \texttt{cmbright}, otherwise
% the symbol \textregistered{} (+\textregistered+) is not taken from the 
% text companion font.
% The same problem might occur,
% if (e.g.\ with future versions of \LaTeX) the TS1 encoding is included
% in the  \LaTeX{} format. In both cases the symbol is typeset
% in roman style, instead of sans serif.
% \item
% Within the mathematical mode the symbol \textit{\pounds} 
% is treated as a text symbol, so its size and the surrounding space 
% might be wrong under some circumstances.
% \item 
% The package \textsf{oldlfont} 
% cannot be used in conjunction with \texttt{cmbright}. (There should be
% no real need for doing so!)
% \item
% The package \textsf{newlfont}, if used in conjunction with the
% CM Bright fonts, must be input before \texttt{cmbright}.
% \end{itemize}
%
%
% \begin{table}[hbt]
% \caption{NFSS classification of the Computer Modern Bright fonts}
% \label{tab:nfss}
% \begin{center}
% \begin{tabular}{|l|l|l|l|}
% \hline
% \textbf{encoding} & \textbf{family} & \textbf{series} & \textbf{shape(s)}\\
% \hline\hline
% \multicolumn{4}{|c|}{\textit{CM Bright}}\\ \hline
% OT1, T1, TS1 & cmbr & m & n, sl \\ \hline
% T1, TS1      & cmbr & sb & n, sl\\ \hline
% OT1, T1, TS1 & cmbr & bx & n\\ \hline \hline
% \multicolumn{4}{|c|}{\textit{CM Typewriter Light}}\\ \hline
% OT1, T1, TS1 & cmtl & m & n, sl\\ \hline \hline
% \multicolumn{4}{|c|}{\textit{CM Bright Math}}\\ \hline
% OML & cmbrm & m, b & it \\ \hline
% OMS & cmbrs & m & n  \\ \hline \hline
% \multicolumn{4}{|c|}{\textit{CM Bright AMS A, B}}\\ \hline
% U   & msa, msb & m  &n\\  \hline
% \end{tabular}
% \end{center}
% \end{table}
%
% \section{NFSS classification of the fonts}
% Table~\ref{tab:nfss} lists the font series and shapes available in
% the CM Bright and CM Typewriter Light families.  Notice, that
% \begin{itemize}
% \item the bx series of the text fonts is supported at sizes 
% of 9\,pt and above only;
% \item the usual font substitutions are set up so as to map OML and OMS
% encoded text fonts to the math fonts;
% \item there is no special CM Bright font for the `extensible math symbols';  
% OMX/cmex should be used instead;
% \item 
% the font definitions for the AMS fonts are part of the package \texttt{cmbright};
% there are no separate\texttt{.fd} files.
% \end{itemize}
%
% \StopEventually{}
%
% \section{The package code}
%
% \subsection{Text font families}
% The sans serif font family is made the default one:
%    \begin{macrocode} 
%<*cm>
\renewcommand{\familydefault}{\sfdefault}
%    \end{macrocode}
% CM Bright is to be used as the default sans serif font family:
%    \begin{macrocode}
\renewcommand{\sfdefault}{cmbr}
%    \end{macrocode}
%
% CM Typewriter Light is to be used as the default typewriter font family,
% because the +cmtt+ fonts look too dark in combination with CM Bright:
%    \begin{macrocode}
\renewcommand{\ttdefault}{cmtl}
%    \end{macrocode}
%
% \subsection{Mathematical fonts}
% Default definitions which remain unchanged are commented out:
%    \begin{macrocode}
\DeclareSymbolFont      {operators} {OT1}{cmbr}{m}{n}
\DeclareSymbolFont        {letters} {OML}{cmbrm}{m}{it}
\DeclareSymbolFont        {symbols} {OMS}{cmbrs}{m}{n}
% \DeclareSymbolFont {largesymbols} {OMX}{cmex}{m}{n}
%
% \DeclareSymbolFontAlphabet    {\mathrm} {operators}
% \DeclareSymbolFontAlphabet{\mathnormal} {letters}
% \DeclareSymbolFontAlphabet   {\mathcal} {symbols}
%
\DeclareMathAlphabet{\mathit} {OT1}{cmbr}{m}{sl}
\DeclareMathAlphabet{\mathbf} {OT1}{cmbr}{bx}{n}
\DeclareMathAlphabet{\mathtt} {OT1}{cmtl}{m}{n}
%    \end{macrocode}
% Despite its name, +\mathrm+ is not a font with serifs,
% but it is, what the user expects it to be:
% the upright font used e.g.\ for operator names.
%
% We do not set up a bold +\mathversion+, but we make a bold
% slanted mathematical alphabet available:
%    \begin{macrocode}
\DeclareMathAlphabet{\mathbold}{OML}{cmbrm}{b}{it}
%    \end{macrocode}
%
% The command +\mathbold+ should act on lowercase greek letters, too:
%    \begin{macrocode}
\DeclareMathSymbol{\alpha}{\mathalpha}{letters}{11}
\DeclareMathSymbol{\beta}{\mathalpha}{letters}{12}
\DeclareMathSymbol{\gamma}{\mathalpha}{letters}{13}
\DeclareMathSymbol{\delta}{\mathalpha}{letters}{14}
\DeclareMathSymbol{\epsilon}{\mathalpha}{letters}{15}
\DeclareMathSymbol{\zeta}{\mathalpha}{letters}{16}
\DeclareMathSymbol{\Gamma}{\mathalpha}{letters}{0}
\DeclareMathSymbol{\eta}{\mathalpha}{letters}{17}
\DeclareMathSymbol{\theta}{\mathalpha}{letters}{18}
\DeclareMathSymbol{\iota}{\mathalpha}{letters}{19}
\DeclareMathSymbol{\kappa}{\mathalpha}{letters}{20}
\DeclareMathSymbol{\lambda}{\mathalpha}{letters}{21}
\DeclareMathSymbol{\mu}{\mathalpha}{letters}{22}
\DeclareMathSymbol{\nu}{\mathalpha}{letters}{23}
\DeclareMathSymbol{\xi}{\mathalpha}{letters}{24}
\DeclareMathSymbol{\pi}{\mathalpha}{letters}{25}
\DeclareMathSymbol{\rho}{\mathalpha}{letters}{26}
\DeclareMathSymbol{\sigma}{\mathalpha}{letters}{27}
\DeclareMathSymbol{\tau}{\mathalpha}{letters}{28}
\DeclareMathSymbol{\upsilon}{\mathalpha}{letters}{29}
\DeclareMathSymbol{\phi}{\mathalpha}{letters}{30}
\DeclareMathSymbol{\chi}{\mathalpha}{letters}{31}
\DeclareMathSymbol{\psi}{\mathalpha}{letters}{32}
\DeclareMathSymbol{\omega}{\mathalpha}{letters}{33}
\DeclareMathSymbol{\varepsilon}{\mathalpha}{letters}{34}
\DeclareMathSymbol{\vartheta}{\mathalpha}{letters}{35}
\DeclareMathSymbol{\varpi}{\mathalpha}{letters}{36}
\DeclareMathSymbol{\varrho}{\mathalpha}{letters}{37}
\DeclareMathSymbol{\varsigma}{\mathalpha}{letters}{38}
\DeclareMathSymbol{\varphi}{\mathalpha}{letters}{39}
%    \end{macrocode}
% 
% The \texttt{slantedGreek} option:
%    \begin{macrocode}
\DeclareOption{slantedGreek}{%
  \DeclareMathSymbol{\Gamma}{\mathalpha}{letters}{0}
  \DeclareMathSymbol{\Delta}{\mathalpha}{letters}{1}
  \DeclareMathSymbol{\Theta}{\mathalpha}{letters}{2}
  \DeclareMathSymbol{\Lambda}{\mathalpha}{letters}{3}
  \DeclareMathSymbol{\Xi}{\mathalpha}{letters}{4}
  \DeclareMathSymbol{\Pi}{\mathalpha}{letters}{5}
  \DeclareMathSymbol{\Sigma}{\mathalpha}{letters}{6}
  \DeclareMathSymbol{\Upsilon}{\mathalpha}{letters}{7}
  \DeclareMathSymbol{\Phi}{\mathalpha}{letters}{8}
  \DeclareMathSymbol{\Psi}{\mathalpha}{letters}{9}
  \DeclareMathSymbol{\Omega}{\mathalpha}{letters}{10}
}
\let\upOmega\Omega
\let\upDelta\Delta
%    \end{macrocode}
%
% \subsection{Leading}
% The +\baselineskip+ should be larger than with CM Roman. For text sizes,
% i.e.\ 8--12\,pt, a value of $1.25 \times \mathrm{size}$ is recommended.
% In order to overwrite the +\baselineskip+ defined in the commands
% like +\normalsize+, +\small+, etc., we use a trick from Frank Jensen's
% package \textsf{beton} (v1.3).
% First we set up a table containing our +\baselineskip+ values:
%    \begin{macrocode}
\def\bright@baselineskip@table
   {<\@viiipt>10<\@ixpt>11.25<\@xpt>12.5<\@xipt>13.7<\@xiipt>15}
%    \end{macrocode}
% All the standard \LaTeX\ size-changing commands (+\small+, +\large+,
% etc.)\ are defined in terms of the +\@setfontsize+ macro.  This
% macro is called with the following three arguments: +#1+~is the
% size-changing command; +#2+~is the font size; +#3+~is the
% +\baselineskip+ value.  We modify this macro to check
% the above +\bright@baselineskip@table+ for an alternative +\baselineskip+
% value:
%    \begin{macrocode}
\def\bright@setfontsize#1#2#3%
   {\edef\@tempa{\def\noexpand\@tempb####1<#2}%
    \@tempa>##2<##3\@nil{\def\bright@baselineskip@value{##2}}%
    \edef\@tempa{\noexpand\@tempb\bright@baselineskip@table<#2}%
    \@tempa><\@nil
    \ifx\bright@baselineskip@value\@empty
       \def\bright@baselineskip@value{#3}%
    \fi
    \old@setfontsize{#1}{#2}\bright@baselineskip@value}
%    \end{macrocode}
% Now we redefine +\@setfontsize+:
%    \begin{macrocode}
\let\old@setfontsize=\@setfontsize
\let\@setfontsize=\bright@setfontsize
%    \end{macrocode}
% The +\baselineskip+ values specified in the above table should be
% appropriate for most purposes, i.e., for one-column material in the
% normal article/report/book formats.  However, it is sometimes
% desirable to use a smaller value for +\baselineskip+, e.g.\ in two-column
% material.  We therefore provide an option
% to turn off the above automatic mechanism for +\baselineskip+ settings:
%    \begin{macrocode}
\DeclareOption{standard-baselineskips}{%
 \let\@setfontsize=\old@setfontsize}
%    \end{macrocode}
% Note that the +\let+-assignment has to be executed after
% +\old@setfontsize+ has been defined; this is ensured by
% the fact that options are processed at the end of the package.
%
% \subsection{Old-style numerals}
% Old-style numerals are to be taken from CM Bright, too:
%    \begin{macrocode}
\def\oldstylenums#1{%
   \begingroup
    \spaceskip\fontdimen\tw@\font
    \usefont{OML}{cmbrm}{\f@series}{it}%
    \mathgroup\symletters #1%
   \endgroup
}
%    \end{macrocode}
% In the future this may change; old-style numerals could be
% taken from the text companion font, thus even providing `oldstyle
% bold extended'~etc.
%
% \subsection{Missing symbols}
% The OT1 encoded CM Bright fonts do not contain the symbol \pounds.
% We must therefore redefine  the 
% commands +\textsterling+ and +\mathsterling+.
% They will now use the roman text font family:
%    \begin{macrocode}
\DeclareTextCommand{\textsterling}{OT1}{{%
   \rmfamily
   \ifdim \fontdimen\@ne\font >\z@
      \itshape
   \else
      \fontshape{ui}\selectfont
   \fi
   \char`\$}}
\def\mathsterling{\textsl{\textsterling}}
%    \end{macrocode}
% Since there is no `caps and small caps' font shape, the definition of
% \textregistered\ must be changed:
%    \begin{macrocode}
\DeclareTextCommandDefault{\textregistered}{%
   \textcircled{{\rmfamily\scshape r}}}
%    \end{macrocode}
%
% \subsection{Defining the AMS symbol fonts}
% In case the package \textsf{amsfonts} is loaded additionally,
% the CM Bright versions of the AMS symbol fonts are to be used.  
% The \textsf{amsfonts} package, when loaded with the \texttt[psamsfonts] option,
% will issue its own font definition commands, so we have to defer ours
% after loading of the packages, so as not to let them be overwritten.
%    \begin{macrocode}
\AtBeginDocument{%
  \DeclareFontFamily{U}{msa}{}
  \DeclareFontShape{U}{msa}{m}{n}{%
  <5><6><7><8>cmbras8%
  <9>cmbras9%
  <10><10.95><12><14.4><17.28><20.74><24.88>cmbras10%
  }{}
  \DeclareFontFamily{U}{msb}{}
  \DeclareFontShape{U}{msb}{m}{n}{%
  <5><6><7><8>cmbrbs8%
  <9>cmbrbs9%
  <10><10.95><12><14.4><17.28><20.74><24.88>cmbrbs10%
  }{}
}
%    \end{macrocode}
%

% \subsection{Patches for obsolete \LaTeX{} releases}
% With a \LaTeX{} release previous to 1995/06/01
% some macros from the \LaTeX{} kernel and the standard classes
% must be redefined, because they explicitely select a font with serifs:
%    \begin{macrocode}
%<*patch>
\typeout{* This package `cmbright' contains patches}
\typeout{* to be used with obsolete versions of LaTeX.}
\typeout{* However, if your LaTeX is from 1995/06/01 or newer,}
\typeout{* you MUST redo the installation of the package,}
\typeout{* in order to generate it again, without the patches!}
\def\@dottedtocline#1#2#3#4#5{\ifnum #1>\c@tocdepth \else
  \vskip \z@ \@plus.2\p@
  {\leftskip #2\relax \rightskip \@tocrmarg \parfillskip -\rightskip
    \parindent #2\relax\@afterindenttrue
   \interlinepenalty\@M
   \leavevmode
   \@tempdima #3\relax
   \advance\leftskip \@tempdima \hbox{}\hskip -\leftskip
    {#4}\nobreak\leaders\hbox{$\m@th \mkern \@dotsep mu.\mkern \@dotsep
       mu$}\hfill \nobreak
           \hbox to\@pnumwidth{\hfil\reset@font #5}\par}\fi}
\def\@eqnnum{{\reset@font(\theequation)}}
\DeclareOption{leqno}{
\renewcommand\@eqnnum{\hbox to .01\p@{}%
                      \rlap{\reset@font%
                        \hskip -\displaywidth(\theequation)}}}
\def\ps@plain{\let\@mkboth\@gobbletwo
     \let\@oddhead\@empty\def\@oddfoot{\reset@font\hfil\thepage
     \hfil}\let\@evenhead\@empty\let\@evenfoot\@oddfoot}
\pagestyle{plain}
%</patch>
%    \end{macrocode}
%
% \subsection{Processing the options}
%    \begin{macrocode}
\ProcessOptions\relax
%    \end{macrocode}
%
% \subsection{Initialization}
% We ensure that any package loaded after \texttt{cmbright}
% will find the new value of +\baselineskip+
% and the new +\normalfont+, which has a larger `em' than CM Roman.
%    \begin{macrocode}
\normalfont\normalsize
%</cm>
%    \end{macrocode}
%
% \section*{This file \ldots}
% \ldots{} +cmbright.dtx+ contains the following 
% DocStrip modules:
% \begin{quote}
% \begin{tabular}{ll}
% module: & contents:\\[0.5ex]
% +cm+ & package +cmbright+\\
% +driver+ &  driver for documentaion \\
% +patch+ & patches for \LaTeX{} release $<$ June 1995
% \end{tabular}
% \end{quote}
% The module +patch+ should only be selected together with +cm+.
% \vspace{1ex}
% 
% The next line of code prevents DocStrip from adding the
% character table to all modules:
%    \begin{macrocode}
\endinput
%    \end{macrocode}
% \Finale
%% \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         \~}
%%