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% \def\filename{euscript.dtx}
% \def\fileversion{3.00}
% \def\filedate{2009/06/22}
%
% \iffalse meta-comment
%
% American Mathematical Society
% Technical Support
% Publications Technical Group
% 201 Charles Street
% Providence, RI 02904
% USA
% tel: (401) 455-4080
% (800) 321-4267 (USA and Canada only)
% fax: (401) 331-3842
% email: tech-support@ams.org
%
% Copyright 2001, 2009 American Mathematical Society.
%
% Unlimited copying and redistribution of this file are permitted as
% long as this file is not modified. Modifications, and distribution
% of modified versions, are permitted, but only if the resulting file
% is renamed.
%
% \fi
%
%\iffalse
%<*driver>
\documentclass{amsdtx}
\usepackage{eucal}
\begin{document}
\title{The \pkg{eucal} and \pkg{euscript} packages}
\author{Frank Mittelbach\and Rainer Sch\"opf\and Michael Downes\\
Revised by David M. Jones}
\date{Version \fileversion, \filedate}
\DocInput{euscript.dtx}
\end{document}
%</driver>
%\fi
%
% \maketitle
%
% \section{Introduction}
%
% This package was written originally by Frank Mittelbach and Rainer
% Sch\"opf; later it was moved into the AMSFonts distribution
% with only minor modifications. It can be used with \LaTeXe{} with
% no dependency on the \pkg{amsmath} package.
%
% This file sets up some font shape definitions to use the Euler
% script symbols in math mode. These fonts are part of the AMSFonts
% collection which can be found on many \TeX{} servers. It is also
% directly available from the AMS and from \TeX{} user groups.
%
% \DescribeMacro\EuScript
% The expected normal use of the Euler Script alphabet is as a
% substitute for the Computer Modern calligraphic alphabet found in
% \fn{cmsy}. Therefore we change the meaning of \cn{mathcal}.
% \begin{verbatim}
% \[ \mathcal{A} = \EuScript{A} \neq \CMcal{A} \]
%\end{verbatim}
% will produce
% \[ \mathcal{A} = \EuScript{A} \neq \CMcal{A} \]
%
% Here is a complete table of the beautiful letters drawn by Hermann
% Zapf:
% \begin{displaymath}
% \newcommand{\E}[1]{\EuScript{#1} &}
% \begin{array}{*{10}c}
% \E{A} \E{B} \E{C} \E{D} \E{E} \E{F} \E{G} \E{H} \E{I} \\
% \E{J} \E{K} \E{L} \E{M} \E{N} \E{O} \E{P} \E{Q} \E{R} \\
% \E{S} \E{T} \E{U} \E{V} \E{W} \E{X} \E{Y} \E{Z}
% \end{array}
% \end{displaymath}
%
% \StopEventually{}
%
% \section{The Implementation}
%
% Package identification.
% \begin{macrocode}
\NeedsTeXFormat{LaTeX2e}% LaTeX 2.09 can't be used (nor non-LaTeX)
[1994/12/01]% LaTeX date must be December 1994 or later
%<euscript>\ProvidesPackage{euscript}[2009/06/22 v3.00 Euler Script fonts]
%<eucal>\ProvidesPackage{eucal}[2009/06/22 v3.00 Euler Script fonts]
% \end{macrocode}
%
% We have three things to do: 1) identify the current package,
% 2) enlarge the font shape tables and 3) define the \meta{math
% alphabet identifier}.
%
% \begin{macro}{\EuScript}
% Now we define the \meta{math alphabet identifier} \cn{EuScript}
% both for the normal and the bold math version
% \begin{macrocode}
\DeclareMathAlphabet\EuScript{U}{eus}{m}{n}
\SetMathAlphabet\EuScript{bold}{U}{eus}{b}{n}
% \end{macrocode}
% \end{macro}
%
% For flexibility and backward compatibility with versions 2.1c and
% earlier, we save the old meaning of \cn{mathcal} as \cn{CMcal}, and
% use \cn{EuScript} as the initial name of the new math alphabet.
% Notice that we don't do any checking to make sure the previous
% version of \cn{mathcal} actually refers to \fn{cmsy}.
% \begin{macrocode}
\newcommand{\CMcal}{}
\let\CMcal=\mathcal
% \end{macrocode}
%
% See the \pkg{amsfonts} package documentation for a discussion of
% the obsolescence of the \opt{psamfonts} option.
% \begin{macrocode}
\DeclareOption{psamsfonts}{}
% \end{macrocode}
%
% Here is a table describing the action of the \pkg{eucal},
% \pkg{euscript}, and \pkg{eufrak} packages.
% \begin{center}
% \begin{tabular}{lll}
% Package& Option& Commands provided\\
% \hline
% \pkg{eucal}& none& \cn{mathcal}\\
% \pkg{eucal}& \opt{[mathcal]}& \cn{mathcal}\\
% \pkg{eucal}& \opt{[mathscr]}& \cn{mathscr} (\cn{mathcal} unchanged)\\
% \pkg{euscript}& none& \cn{EuScript} (obsolete)\\
% \pkg{euscript}& \opt{[mathcal]}& \cn{mathcal}\\
% \pkg{eufrak}& none& \parbox[t]{14pc}{\cn{mathfrak} (also
% obsolete \cn{EuFrak} for compatibility)}
% \end{tabular}
% \end{center}
%
% \begin{macrocode}
\DeclareOption{mathcal}{\renewcommand{\mathcal}{\EuScript}}
\DeclareOption{mathscr}{%
\providecommand{\mathscr}{}\renewcommand{\mathscr}{\EuScript}%
%<eucal> \let\mathcal=\CMcal
}
% \end{macrocode}
%
% Process the package options.
% \begin{macrocode}
%<eucal>\ExecuteOptions{mathcal}
\ProcessOptions
% \end{macrocode}
%
% The usual \cs{endinput} to ensure that random garbage at the end of
% the file doesn't get copied by \fn{docstrip}.
% \begin{macrocode}
\endinput
% \end{macrocode}
%
% \changes{v2.1a}{93/12/12}{Update for LaTeX2e}
% \changes{v2.1c}{1994/05/08}{Changed to new documentation standards.}
% \changes{v2.1d}{1994/10/14}{Moved to AMS-LaTeX distribution (mjd).}
% \changes{v2.1d}{1994/10/18}{Added psamsfonts option}
% \changes{v2.1d}{1994/10/18}{Changed cmd names to mathcal/mathscr}
% \changes{v2.1d}{1994/10/18}{Added eucal package}
% \changes{v2.1d}{1994/10/21}{Some documentation cleanup}
% \changes{v2.2}{1995/01/06}{Moved to amsfonts distrib}
% \changes{v2.2c}{1997/05/15}{%
% Removed dependency on mixed-case fd file names}
%
% \CheckSum{29}
% \Finale
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