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authorKarl Berry <karl@freefriends.org>2006-01-11 23:52:59 +0000
committerKarl Berry <karl@freefriends.org>2006-01-11 23:52:59 +0000
commite5de56e3d616c3077ee1e10243691d579b576d2f (patch)
treede9a54baed80e13ed031db6b0a60167493d56b96 /Master/texmf-dist/source/latex/eulervm
parent8ad21701dd39ae690369f3eec95d048ce3a21a6d (diff)
trunk/Master/texmf-dist/source/latex/eulervm
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+% \CheckSum{635}
+% \iffalse
+%
+% File `eulervm.dtx'.
+% Copyright (c) 1999--2003 Walter Schmidt
+%
+% This file is part of the `Euler-VM Bundle'.
+% -------------------------------------------
+%
+% It may be distributed and/or modified under the conditions
+% of the LaTeX Project Public License, either version 1.1
+% 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 1.1 or later is part of all distributions of LaTeX
+% version 1999/06/01 or later.
+%
+% The list of all files belonging to the `Euler-VM Bundle' is
+% given in the file `manifest.txt'.
+%
+% \fi
+%
+% \iffalse
+%<*driver>
+\ProvidesFile{eulervm.dtx}
+%</driver>
+%
+%<package>\ProvidesPackage{eulervm}
+%<uzeur>\ProvidesFile{uzeur.fd}%
+%<uzeus>\ProvidesFile{uzeus.fd}%
+%<uzeuex>\ProvidesFile{uzeuex.fd}%
+ [2004/01/17 v3.0a (WaS)]
+%
+%<*driver>
+\documentclass[11pt]{ltxdoc}
+\OnlyDescription
+\usepackage{url,mflogo}
+\begin{document}
+ \DocInput{eulervm.dtx}
+\end{document}
+%</driver>
+% \fi
+%
+% \GetFileInfo{eulervm.dtx}
+% \renewcommand{\labelitemi}{$\triangleright$}
+% \newcommand\Lopt[1]{\textsf{#1}}
+% \let\Lpack\Lopt
+% \title{The Euler Virtual Math Fonts for use with \LaTeX}
+% \author{Walter Schmidt\thanks{\texttt{w.a.schmidt@gmx.net}}}
+% \date{\fileversion{} -- \filedate}
+%
+% \maketitle
+%
+% \begin{abstract}\noindent
+% The Euler math fonts are suitable for math typesetting in conjunction with a
+% variety of popular text fonts which do not provide math character sets
+% of their own.
+% Euler-VM is a set of virtual math fonts based on Euler and CM, accompanied
+% by a macro package for easy use with \LaTeX.
+% \end{abstract}
+%
+% \tableofcontents
+%
+% \sloppy
+%
+% \section{The Euler math fonts}
+% `With Donald Knuth's assistance and encouragement, Hermann Zapf, one of the
+% premier font designers of this century, was commissioned to create designs
+% for Fraktur and script, and for a somewhat experimental, upright cursive
+% alphabet that would represent a mathematician's handwriting on a blackboard
+% and that could be used in place of italic. The designs that resulted were
+% named Euler, in honor of Leonhard Euler, a prominent mathematician of the
+% eighteenth century. Zapf's designs were rendered in \MF{} code by graduate
+% students at Stanford, working under Knuth's direction. [\dots]
+% Knuth also noticed that the
+% style of some symbols in the Computer Modern extension font, in particular
+% the integral sign, was too slanted to be attractive with Euler, and
+% consequently he prepared a new (partial) extension font for use with Euler.'
+% \cite{amsfndoc}
+%
+% Knuth's book \textit{Concrete Mathematics} was typeset using
+% the Concrete font family for text and the Euler fonts for math.
+% With \LaTeX, the particular math font setup of this book can be mimicked
+% by means of the package \Lpack{euler}, see \cite{euler}.
+% In the meantime it became
+% obvious that the Euler fonts match other text font families equally well.
+%
+% Unfortunately, the Euler fonts do not comprise all symbols required for
+% mathematical typesetting with \LaTeX. As a result, the \Lpack{euler} package
+% needs to redefine most of \LaTeX's math font setup, so that certain
+% symbols are taken from Euler, whereas others must still come from the
+% CM math fonts.
+%
+%
+% \section{The Euler-VM fonts}
+% Euler Virtual Math (Euler-VM)
+% is a set of \emph{virtual} fonts based primarily on the Euler fonts.
+% The missing symbols are taken from Computer Modern, and the encoding
+% follows CM-Math as closely as possible.
+% This approach has several advantages over immediately using the
+% \emph{real} Euler fonts, as practiced in the \Lpack{euler} package:
+% Most noticeably, less \TeX{} resources are consumed,
+% the quality of various math symbols is improved,
+% and there will be far lesser compatibility problems with other packages.
+%
+% Actually, the reason for creating Euler-VM was the fact that the
+% \Lpack{euler} package does not provide a usable \cmd{\hbar} or
+% \cmd{\hslash}, and that one cannot use the \cmd{\hslash} from the
+% \Lpack{amssymb} package, because the latter follows the CM Roman style.
+% This made the beautiful Euler fonts more or less unusable for
+% physics and related fields.
+% The only way to fix this was to provide a `faked' Euler-style \cmd{\hslash}
+% using the virtual font mechanism.
+% As a side effect, it was possible to make the layout of the virtual fonts
+% compatible with CM Math to a large extent, and -- since the style file
+% had to be rewritten anyway -- further improvements were introduced.
+%
+%
+% \section{Suitable text font families}
+% Beside the above-mentioned Concrete, the font families Palatino, Aldus
+% and Melior blend well with Euler -- which is not surprising, since they were
+% designed by H.~Zapf, too.
+% The Euler math fonts have also proven to go sufficiently well
+% with other typefaces such as Sabon or Minion, that differ not
+% too much from Euler as far as the weight (stroke width) and x-height
+% are concerned.
+%
+% Changing the default text font family is easy, see \cite{fntguide}.
+% For instance, the simple command
+% \begin{quote}
+% |\renewcommand{\rmdefault}{ppl}|
+% \end{quote}
+% makes \LaTeX{} use Palatino in place of CM~Roman.
+%
+% Do \emph{not} use the Euler math fonts in conjunction
+% with the default Computer Modern text fonts -- this is ugly!
+%
+%
+% \section{The \LaTeX{} package \Lpack{eulervm}}
+%
+% Loading the \Lpack{eulervm} package will redefine \LaTeX's
+% math font setup, so that the Euler-VM fonts and the default body font
+% are substituted for CM Math and CM Roman. Roughly said:
+% \begin{itemize}
+% \item CM Math Italic is replaced with Euler Roman.
+% \item CM Calligraphic is replaced with Euler Script.
+% \item `Large' operators and delimiters are replaced with
+% alternative variants matching the Euler style.
+% \item In numbers and operator names,
+% CM Roman is replaced with the default text font.
+% \end{itemize}
+%
+% \subsection{Special features}
+%
+% \subsubsection{The package option \Lopt{small}}
+% \label{sec:small}
+% Loading the package with the option \Lopt{small} causes the
+% Euler fonts to be loaded at 95\% of their nominal size,
+% thus blending better with certain text font families,
+% for instance Aldus or Minion.
+% The option acts also on the AMS symbols and Euler Fraktur fonts,
+% which can be used by means of the \Lpack{amssymb} and \Lpack{eufrak} packages;
+% any further math fonts used in your document are, however,
+% unaffected.
+%
+%
+% \subsubsection{Slashed \textit{h}}
+% In contrast to `normal' \LaTeX, a \cmd{\hslash} symbol ($h$ with diagonal slash)
+% is provided, but there is no \cmd{\hbar}.
+%
+%
+% \subsubsection{Bold math alphabet}
+% The package defines a new math alphabet \cmd{\mathbold} to typeset
+% math variables, incl.\ Greek, in a bold style, e.g:
+% \begin{verse}
+% |\mathbold{k}|
+% \end{verse}
+% Do not mix this up with \cmd{\mathbf}: The latter will produce
+% characters from the bold \emph{text} font, whereas \cmd{\mathbold}
+% will use the bold series of the \emph{Euler} math font.
+%
+%
+% \subsubsection{Size of the `large' math symbols}
+% The size of the `large' math symbols is automatically adjusted with respect
+% to the base font size. You need \emph{not} load the extra package
+% \Lpack{exscale} for this purpose.
+%
+%
+% \subsection{Text fonts in math}
+%
+% \subsubsection{Math alphabets}
+% Function names as well as math accents are taken from the default text font family.
+% This holds for the math alphabets \cmd{\mathrm} and \cmd{\mathbf}, too.
+% The \Lpack{eulervm} package determines the default font family
+% (i.e.\ the meaning of the macro \cmd{\familydefault})
+% at load time and will apply it for the above purposes then.
+% In the same way, the math alphabets \cmd{\mathsf} and \cmd{\mathtt}
+% are mapped to \cmd{\sfdefault} and \cmd{\ttdefault}.
+% Thus, you should redefine the default text fonts \emph{before}
+% loading the \Lpack{eulervm} package!
+%
+%
+% \subsubsection{Numbers and punctuation in math mode}
+% The normal behavior is to take the digits, the comma and the period
+% from the default text font family.
+% Popular text fonts may, however, not be suitable for typesetting math:
+% Maybe the numeral `1' cannot be distinguished
+% clearly enough from the letter `l', or the style of the numerals does
+% not sufficiently suit the Euler letters.
+% Furthermore, most text fonts are scaled linearly, so that the digits
+% may become too thin when used in super- or subscripts.
+%
+% The \Lpack{eulervm} package provides the option \Lopt{euler-digits},
+% which makes the digits, the comma and the period come from Euler Roman
+% in math mode -- note that the Euler fonts come with separate designs sizes
+% of 10\,pt, 7\,pt and 5\,pt\,!
+% The option should be used with care, because entering
+% |$1.23$| will yield a different result than |1.23| then,
+% and you will in each case have to decide whether an input fragment
+% is a math or a non-math entity.
+%
+% \subsubsection{The `hat' accent for math}
+% By default, the math accent |\hat| is taken from the text font.
+% With the option \Lopt{euler-hat-accent},
+% an alternative one from Euler Fraktur will be used.
+%
+%
+% \subsubsection{Encoding}
+% The default text font encoding
+% (i.e.\ the meaning of the macro \cmd{\encodingdefault})
+% is determined when \Lpack{eulervm} is loaded; this encoding
+% will then be applied to any text fonts used in math mode (see above.)
+% The \Lpack{eulervm} package can, however, handle the encodings OT1 (\LaTeX's default),
+% T1 and LY1 only. If your preferred text font encoding is a different one,
+% or if you want to override the default setting for one reason or another,
+% you have to specify one of the above as a package option, e.g.:
+% \begin{verse}
+% |\usepackage[OT1]{eulervm}|
+% \end{verse}
+% This makes the \Lpack{eulervm} package use the given encoding for the text
+% fonts in math, without affecting text mode.
+% Be sure that the text fonts are actually available with this encoding!
+%
+%
+% \subsection{Using PostScript fonts}
+% The CM as well as the Euler fonts
+% are available in both \MF\ and Type1 (PostScript) format.
+% The collection of Type1 fonts distributed by the AMS
+% (or in conjunction with VTeX, resp.) is, however,
+% lacking a few sizes. In contrast to the \Lpack{euler} package,
+% \Lpack{eulervm} does \emph{not} make use of these missing fonts;
+% thus, you can create documents which do not require any bitmap fonts.
+%
+%
+% \subsection{Options and command summary}
+% \noindent Options of the \Lpack{eulervm} package:
+% \begin{itemize}
+% \item \Lopt{small}\quad Load the Euler fonts at 95\% of their nominal size.
+% \item \Lopt{euler-digits}\quad Take numerals, comma and period from
+% Euler Roman in math mode.
+% \item \Lopt{euler-hat-accent}\quad Use the \cmd{\hat} accent from Euler Fraktur.
+% \item \Lopt{OT1}\quad Use OT1 encoding for text fonts in math, regardless
+% of the default text font encoding.
+% \item \Lopt{T1}\quad ditto, T1
+% \item \Lopt{LY1}\quad ditto, LY1
+% \end{itemize}
+% New commands:
+% \begin{itemize}
+% \item \cmd{\mathbold}\quad A bold Euler-style math alphabet.
+% \item \cmd{\hslash}\quad A slashed Euler-style h.
+% \end{itemize}
+%
+%
+% \subsection{Known problems and deficiencies}
+% \begin{itemize}
+% \item The bold math fonts, which are accessible via \cmd{\boldmath},
+% are far from perfect. E.g., the bold equals sign of the Euler fonts
+% is actually smaller than the regular one!
+% Thus, the use of \cmd{\boldmath} is not recommended;
+% it is only provided for compatibility with standard \LaTeX.
+% \item The Euler fonts are a bit larger and have a somewhat higher
+% vertical symmetry axis than Computer Modern; yet the \Lpack{eulervm}
+% package still uses the font parameters of the CM~Symbol font in math mode.
+% Fortunately, the differences are small and seem not to cause obvious
+% typographical deficiencies.
+% \item The dot-generating macros such as \cmd{\dots}, \cmd{vdots} etc.\ take
+% their dots from different fonts. This results partially from a design flaw
+% in \LaTeX, which can be fixed by loading of the package \Lpack{mathdots};
+% yet, the macros \cmd{\cdot} and \cmd{\cdots} will always produce dots from the
+% Computer Modern Symbols font, which may not perfectly match the other dot
+% symbols used.
+% \end{itemize}
+%
+%
+% \section{Credits}
+% Frank Jensen's \Lpack{euler} package \cite{euler} served as a model
+% for parts of \Lpack{eulervm}. The implementation
+% of the \Lopt{OT1}, \Lopt{T1} and \Lopt{LY1} options was adopted
+% from Frank Mittelbach's \Lpack{lucidabr} package \cite{lucidabr}.
+% Special thanks to Henning `Hraban' Ramm for typographical and
+% Frank Mittelbach for \TeX{}nical advice.
+%
+%
+% \StopEventually{
+% \begin{thebibliography}{1}
+% \bibitem{amsfndoc}
+% American Mathematical Society:
+% \textit{User's Guide to AMSFonts Version 2.2}.
+% Jan.\ 1995.
+% (CTAN: \path{fonts/amsfonts/doc/amsfndoc.ps})
+% \bibitem{concrete}
+% Ronald L.\ Graham, Donald E. Knuth, and
+% Oren Patashnik:
+% \textit{Concrete Mathematics}.
+% Addison-Wesley, 1989.
+% \bibitem{fntguide}
+% \LaTeX3 Project Team (Ed.):
+% \textit{LaTeX2e font selection.}
+% (Part of the \LaTeX{} online documentation.)
+% \bibitem{euler}
+% Frank Jensen:
+% \textit{The \Lpack{euler} package, v2.5}.
+% Mar.\ 1995.
+% (CTAN: \path{macros/latex/contrib/euler/})
+% \bibitem{lucidabr}
+% Frank Mittelbach:
+% \textit{The \Lpack{lucidabr} package, v4.10}.
+% Jan.\ 1998.
+% (CTAN: \path{macros/latex/contrib/psnfssx/lucidabr/})
+% \end{thebibliography}
+% }
+%
+% {\sloppy
+% \section{The implementation of the \Lpack{eulervm} package}
+%
+% \subsection{Switching off font warnings}
+% We suppress the annoying `warnings' about math fonts being redefined:
+% \begin{macrocode}
+%<*package>
+\let\evm@info\@font@info
+\let\evm@warning\@font@warning
+\let\@font@info\@gobble
+\let\@font@warning\@gobble
+% \end{macrocode}
+%
+% \subsection{Options}
+% In addition to usual options processing we also have to memorize the
+% options via \cmd{\newif}'s in order to handle some cross-dependencies.
+%
+% The option \Lopt{small}.
+% Note that only a fixed scaling of 0.95 is provided,
+% for the time being. This suits, for instance, the Aldus,
+% and Minion text fonts.
+% \begin{macrocode}
+\DeclareOption{small}{%
+ \def\zeu@Scale{.95}}
+% \end{macrocode}
+%
+% The option \Lopt{euler-digits}:
+% \begin{macrocode}
+\newif\ifevm@ed
+\DeclareOption{euler-digits}{%
+ \evm@edtrue
+ \DeclareMathSymbol{0}\mathalpha{letters}{"30}
+ \DeclareMathSymbol{1}\mathalpha{letters}{"31}
+ \DeclareMathSymbol{2}\mathalpha{letters}{"32}
+ \DeclareMathSymbol{3}\mathalpha{letters}{"33}
+ \DeclareMathSymbol{4}\mathalpha{letters}{"34}
+ \DeclareMathSymbol{5}\mathalpha{letters}{"35}
+ \DeclareMathSymbol{6}\mathalpha{letters}{"36}
+ \DeclareMathSymbol{7}\mathalpha{letters}{"37}
+ \DeclareMathSymbol{8}\mathalpha{letters}{"38}
+ \DeclareMathSymbol{9}\mathalpha{letters}{"39}
+}
+% \end{macrocode}
+%
+% The option \Lopt{euler-hat-accent}:
+% \begin{macrocode}
+\newif\ifevm@eha
+\DeclareOption{euler-hat-accent}{\evm@ehatrue}
+% \end{macrocode}
+%
+% The text encoding for the `operators' font:
+% \begin{macrocode}
+\edef\operator@encoding{\encodingdefault}
+\DeclareOption{OT1}{\def\operator@encoding{OT1}}
+\DeclareOption{T1}{\def\operator@encoding{T1}}
+\DeclareOption{LY1}{\def\operator@encoding{LY1}}
+% \end{macrocode}
+%
+% The \Lopt{icomma} option is provided only for compatibility
+% with previous versions.
+% \begin{macrocode}
+\newif\ifevm@ic
+\DeclareOption{icomma}{\evm@ictrue}
+% \end{macrocode}
+%
+%
+% \subsection{Math font setup}
+% We redefine the `letters', `symbols' and `largesymbols'
+% alphabets.
+% The `operators' font will be redefined only after processing
+% of the options.
+% \begin{macrocode}
+\DeclareSymbolFont{letters} {U}{zeur}{m}{n}
+\SetSymbolFont{letters}{bold} {U}{zeur}{b}{n}
+\DeclareSymbolFont{symbols} {U}{zeus}{m}{n}
+\SetSymbolFont{symbols}{bold} {U}{zeus}{b}{n}
+\DeclareSymbolFont{largesymbols} {U}{zeuex}{m}{n}
+\DeclareMathAlphabet{\mathbold} {U}{zeur}{b}{n}
+% \end{macrocode}
+%
+%
+% \subsection{The `letters' math font}
+%
+% The uppercase Greek letters are to be taken from Euler Roman now:
+% \begin{macrocode}
+\DeclareMathSymbol\Gamma {\mathalpha}{letters}{"00}
+\DeclareMathSymbol\Delta {\mathalpha}{letters}{"01}
+\DeclareMathSymbol\Theta {\mathalpha}{letters}{"02}
+\DeclareMathSymbol\Lambda {\mathalpha}{letters}{"03}
+\DeclareMathSymbol\Xi {\mathalpha}{letters}{"04}
+\DeclareMathSymbol\Pi {\mathalpha}{letters}{"05}
+\DeclareMathSymbol\Sigma {\mathalpha}{letters}{"06}
+\DeclareMathSymbol\Upsilon {\mathalpha}{letters}{"07}
+\DeclareMathSymbol\Phi {\mathalpha}{letters}{"08}
+\DeclareMathSymbol\Psi {\mathalpha}{letters}{"09}
+\DeclareMathSymbol\Omega {\mathalpha}{letters}{"0A}
+% \end{macrocode}
+% Lowercase Greek letters are made |\mathalpha|, too, because
+% we want the |\mathbold| command to act on them:
+% \begin{macrocode}
+\DeclareMathSymbol{\alpha} {\mathalpha}{letters}{"0B}
+\DeclareMathSymbol{\beta} {\mathalpha}{letters}{"0C}
+\DeclareMathSymbol{\gamma} {\mathalpha}{letters}{"0D}
+\DeclareMathSymbol{\delta} {\mathalpha}{letters}{"0E}
+\DeclareMathSymbol{\epsilon}{\mathalpha}{letters}{"0F}
+\DeclareMathSymbol{\zeta} {\mathalpha}{letters}{"10}
+\DeclareMathSymbol{\eta} {\mathalpha}{letters}{"11}
+\DeclareMathSymbol{\theta} {\mathalpha}{letters}{"12}
+\DeclareMathSymbol{\iota} {\mathalpha}{letters}{"13}
+\DeclareMathSymbol{\kappa} {\mathalpha}{letters}{"14}
+\DeclareMathSymbol{\lambda} {\mathalpha}{letters}{"15}
+\DeclareMathSymbol{\mu} {\mathalpha}{letters}{"16}
+\DeclareMathSymbol{\nu} {\mathalpha}{letters}{"17}
+\DeclareMathSymbol{\xi} {\mathalpha}{letters}{"18}
+\DeclareMathSymbol{\pi} {\mathalpha}{letters}{"19}
+\DeclareMathSymbol{\rho} {\mathalpha}{letters}{"1A}
+\DeclareMathSymbol{\sigma} {\mathalpha}{letters}{"1B}
+\DeclareMathSymbol{\tau} {\mathalpha}{letters}{"1C}
+\DeclareMathSymbol{\upsilon}{\mathalpha}{letters}{"1D}
+\DeclareMathSymbol{\phi} {\mathalpha}{letters}{"1E}
+\DeclareMathSymbol{\chi} {\mathalpha}{letters}{"1F}
+\DeclareMathSymbol{\psi} {\mathalpha}{letters}{"20}
+\DeclareMathSymbol{\omega} {\mathalpha}{letters}{"21}
+\DeclareMathSymbol{\varepsilon}{\mathalpha}{letters}{"22}
+\DeclareMathSymbol{\vartheta}{\mathalpha}{letters}{"23}
+\DeclareMathSymbol{\varpi} {\mathalpha}{letters}{"24}
+\DeclareMathSymbol{\varphi} {\mathalpha}{letters}{"27}
+% \end{macrocode}
+%
+% {\sloppy
+% When the upper-case Greek letters are of type |\mathalpha|
+% and do \emph{not} come from the operators font, |\mathrm{\Omega}|
+% yields garbage.
+% This is likely to happen in conjunction with the packages
+% \Lpack{gensymb} and \Lpack{units}. As a countermeasure, we provide
+% a macro |\upOmega| with type |\mathord|. The \Lpack{gensymb} package will
+% automatically use this macro, rather than |\Omega|. This is the only way
+% to make |\unit{\ohm}| work as expected.
+% For the sake of full compatibility with other packages, a corresponding
+% |\upDelta| is made available, too.
+% }
+% \begin{macrocode}
+\DeclareMathSymbol\upOmega {\mathord}{letters}{"0A}
+\DeclareMathSymbol\upDelta {\mathord}{letters}{"01}
+% \end{macrocode}
+%
+% Euler doesn't have the special variants of |\sigma| and |\rho|:
+% \begin{macrocode}
+\let\varsigma=\sigma
+\let\varrho=\rho
+% \end{macrocode}
+%
+% Euler-VM has its own |\hslash|, but there is no |\hbar|:
+% \begin{macrocode}
+\DeclareMathSymbol{\evm@hslash}{\mathord}{letters}{128}
+\def\evm@hbar{\evm@hslash%
+ \PackageWarning{eulervm}{%
+ Symbol \protect\hbar\space not available;\MessageBreak
+ \protect\hslash\space will be used instead}}
+% \end{macrocode}
+% The actual macros \cmd{\hbar} and \cmd{\hslash} will be defined
+% after the preamble.
+%
+% The slash used to come from `operators':
+% \begin{macrocode}
+\DeclareMathDelimiter{/}{\mathord}{letters}{61}{largesymbols}{"0E}
+% \end{macrocode}
+%
+%
+% \subsection{The `symbols' math font}
+% The following characters are usually taken from the `operators'
+% font; now they come from `symbols':
+% \begin{macrocode}
+\DeclareMathSymbol{+}\mathbin {symbols}{171}
+\DeclareMathSymbol{:}\mathrel {symbols}{186}
+\DeclareMathSymbol{=}\mathrel {symbols}{189}
+% \end{macrocode}
+% \begin{macrocode}
+\DeclareMathDelimiter{(}{\mathopen} {symbols}{168}{largesymbols}{"00}
+\DeclareMathDelimiter{)}{\mathclose}{symbols}{169}{largesymbols}{"01}
+\DeclareMathDelimiter{[}{\mathopen} {symbols}{219}{largesymbols}{"02}
+\DeclareMathDelimiter{]}{\mathclose}{symbols}{221}{largesymbols}{"03}
+% \end{macrocode}
+%
+% The font family \texttt{zeus} provides a semicolon in slot~187,
+% an exclamation mark in slot~161, and a question mark in slot~191, too;
+% for the time being these are unused.
+%
+%
+% \subsection{Extensible arrows}
+%
+% The long arrows are made using the macros |\Relbar| (for double
+% arrows) and |\relbar| (for single arrows). The standard \LaTeX\
+% definitions of these macros use the `\texttt{=}' and `\texttt{-}'
+% characters to produce the extension part of the long arrows.
+% These characters come, however, from Euler Fraktur now. Thus we
+% have to redefine the |\Relbar| and |\relbar| macros so as to use
+% appropriately scaled characters from CM, which are
+% provided in our virtual `letters' font.
+% \begin{macrocode}
+\DeclareMathSymbol{\cm@minus}{\mathord}{letters}{129}
+\def\relbar{\mathrel{\smash\cm@minus}}
+\let\Relbar\undefined
+\DeclareMathSymbol{\Relbar}{\mathrel}{letters}{130}
+% \end{macrocode}
+% Unfortunately, since the definitions of the `arrow-filling' macros
+% (|\leftarrowfill| and |\rightarrowfill|) in standard \LaTeX\ still
+% use explicit minus signs (instead of |\relbar|), we also have to
+% redefine those macros:
+% \begin{macrocode}
+\def\leftarrowfill
+ {$\m@th\mathord\leftarrow\mkern-6mu%
+ \cleaders\hbox{$\mkern-2mu\cm@minus\mkern-2mu$}\hfill
+ \mkern-6mu\cm@minus$}
+\def\rightarrowfill
+ {$\m@th\cm@minus\mkern-6mu%
+ \cleaders\hbox{$\mkern-2mu\cm@minus\mkern-2mu$}\hfill
+ \mkern-6mu\mathord\rightarrow$}
+% \end{macrocode}
+%
+%
+% \subsection{Miscellaneous}
+% Our virtual `largesymbols' font comprises \texttt{euex10}, which
+% provides also the $\infty$ symbol.
+% \begin{macrocode}
+\DeclareMathSymbol{\infty}{\mathord}{largesymbols}{153}
+% \end{macrocode}
+%
+% Knuth wanted a little extra space before the prime superscript:
+% \begin{macrocode}
+\begingroup
+ \catcode`\'=\active
+ \gdef'{^\bgroup\mskip2mu\prim@s}
+\endgroup
+% \end{macrocode}
+%
+%
+% \subsection{Options procesing}
+% This must be done before the `operators' font is defined.
+% \begin{macrocode}
+\ProcessOptions\relax
+% \end{macrocode}
+% We still have to map the comma and the period to the text font,
+% in case the \Lopt{euler-digits} option has \emph{not} been selected:
+% \begin{macrocode}
+\ifevm@ed\relax\else
+ \DeclareMathSymbol{,}{\mathpunct}{operators}{44}
+ \DeclareMathSymbol{.}{\mathord}{operators}{46}
+ \DeclareMathSymbol{\ldotp}{\mathpunct}{operators}{46}
+\fi
+% \end{macrocode}
+%
+%
+% \subsection{Text fonts in math}\label{text-fonts}
+%
+% The text fonts used in particular math alphabets and in the
+% `operators' symbol font should be the same as the fonts used for the
+% main text. (It is now easy to replace the fonts for the `operators'
+% symbol font, since the uppercase Greek letters are taken from
+% the Euler Roman fonts.)
+%
+% In order to reduce the total number of fonts needed, we shall -- if
+% possible -- use text fonts in the same encoding for both text and
+% math. We have already determined which encoding has been selected
+% as the default encoding.
+%
+% We redefine the `operators' symbol font and the math alphabets
+% |\mathsf|, |\mathit| and |\mathtt|.
+% Due to the current implementation of math accents
+% which take their glyphs from text fonts,
+% all text fonts must be used in a common encoding.
+% \begin{macrocode}
+\DeclareSymbolFont{operators}{\operator@encoding}{\familydefault}{m}{n}
+\SetSymbolFont{operators}{bold}{\operator@encoding}{\familydefault}{b}{n}
+\SetSymbolFont{operators}{normal}{\operator@encoding}{\familydefault}{m}{n}
+% \end{macrocode}
+%
+% \begin{macrocode}
+% \DeclareSymbolFontAlphabet{\mathrm} {operators}
+% \DeclareSymbolFontAlphabet{\mathnormal} {letters}
+\DeclareMathAlphabet{\mathsf} {\operator@encoding}{\sfdefault}{m}{n}
+\DeclareMathAlphabet{\mathit} {\operator@encoding}{\rmdefault}{m}{it}
+\DeclareMathAlphabet{\mathtt} {\operator@encoding}{\ttdefault}{m}{n}
+\SetMathAlphabet{\mathsf}{bold}{\operator@encoding}{\sfdefault}{b}{n}
+\SetMathAlphabet{\mathit}{bold}{\operator@encoding}{\rmdefault}{b}{it}
+\SetMathAlphabet{\mathtt}{bold}{\operator@encoding}{\ttdefault}{b}{n}
+\DeclareMathAlphabet\mathbf \operator@encoding{\rmdefault}{b}{n}
+% \end{macrocode}
+% Note that |\mathrm| and |\mathnormal| will automatically follow
+% the `operators' font.
+%
+% Before redefining the math accents with respect to the actual
+% encoding of the `operators' symbol font, they should be `undefined'.
+% This is required for compatibility with older versions of the \Lpack{amsmath}
+% package.
+% \begin{macrocode}
+\let\acute\undefined
+\let\grave\undefined
+\let\ddot\undefined
+\let\tilde\undefined
+\let\bar\undefined
+\let\breve\undefined
+\let\check\undefined
+\let\hat\undefined
+\let\dot\undefined
+% \end{macrocode}
+%
+% \begin{macrocode}
+\def\@tempa{T1}
+\ifx\operator@encoding\@tempa
+ \DeclareMathAccent{\acute}{\mathalpha}{operators}{1}
+ \DeclareMathAccent{\grave}{\mathalpha}{operators}{0}
+ \DeclareMathAccent{\ddot}{\mathalpha}{operators}{4}
+ \DeclareMathAccent{\tilde}{\mathalpha}{operators}{3}
+ \DeclareMathAccent{\bar}{\mathalpha}{operators}{9}
+ \DeclareMathAccent{\breve}{\mathalpha}{operators}{8}
+ \DeclareMathAccent{\check}{\mathalpha}{operators}{7}
+ \DeclareMathAccent{\hat}{\mathalpha}{operators}{2}
+ \DeclareMathAccent{\dot}{\mathalpha}{operators}{10}
+% \end{macrocode}
+%
+% \begin{macrocode}
+\else
+\def\@tempa{OT1}
+\ifx\operator@encoding\@tempa
+ \DeclareMathAccent{\acute}{\mathalpha}{operators}{19}
+ \DeclareMathAccent{\grave}{\mathalpha}{operators}{18}
+ \DeclareMathAccent{\ddot}{\mathalpha}{operators}{127}
+ \DeclareMathAccent{\tilde}{\mathalpha}{operators}{126}
+ \DeclareMathAccent{\bar}{\mathalpha}{operators}{22}
+ \DeclareMathAccent{\breve}{\mathalpha}{operators}{21}
+ \DeclareMathAccent{\check}{\mathalpha}{operators}{20}
+ \DeclareMathAccent{\hat}{\mathalpha}{operators}{94}
+ \DeclareMathAccent{\dot}{\mathalpha}{operators}{95}
+% \end{macrocode}
+%
+% \begin{macrocode}
+\else
+\def\@tempa{LY1}
+\ifx\operator@encoding\@tempa
+ \DeclareMathAccent{\acute}{\mathalpha}{operators}{19}
+ \DeclareMathAccent{\grave}{\mathalpha}{operators}{18}
+ \DeclareMathAccent{\ddot}{\mathalpha}{operators}{127}
+ \DeclareMathAccent{\tilde}{\mathalpha}{operators}{126}
+ \DeclareMathAccent{\bar}{\mathalpha}{operators}{22}
+ \DeclareMathAccent{\breve}{\mathalpha}{operators}{21}
+ \DeclareMathAccent{\check}{\mathalpha}{operators}{20}
+ \DeclareMathAccent{\hat}{\mathalpha}{operators}{94}
+ \DeclareMathAccent{\dot}{\mathalpha}{operators}{5}
+% \end{macrocode}
+%
+% \begin{macrocode}
+\else
+ \PackageWarningNoLine{eulervm}
+ {Unknown Operator Encoding!\MessageBreak
+ Math accents may be wrong: assuming OT1 positions}
+\fi\fi\fi
+% \end{macrocode}
+% The \cmd{\hat} accent is normally taken from the `operators' symbol font.
+% With the option \Lopt{euler-hat accent}, however, we take an alternative
+% one from Euler Fraktur, which is provided in the `symbols' alphabet.
+% The above definition must be overwritten then:
+% \begin{macrocode}
+\ifevm@eha
+ \DeclareMathAccent\hat\mathalpha{symbols}{222}
+\fi
+% \end{macrocode}
+%
+% \subsection{An intelligent comma}
+% \label{sec:icomma}
+% An `intelligent' comma for use within decimal numbers,
+% which was once posted by Donald Arseneau on the
+% \path{comp.text.tex} news group.
+% It does not work with arbitarily long numbers, so
+% it is no longer advertised, and I recommend to use the
+% newer package \path{icomma.sty} instead.
+% \begin{macrocode}
+\ifevm@ic
+ \mathchardef\mathcomma\mathcode`\,
+ \mathcode`\,="8000
+ \catcode`,=\active
+ \def,{\afterassignment\domathcomma\finalhyphendemerits=1}
+ \def\domathcomma{\ifnum\finalhyphendemerits>1\mathord\fi
+ \mathcomma
+ \expandafter\@gobble\number\finalhyphendemerits}
+ \catcode`\,=12
+\fi
+% \end{macrocode}
+%
+% \subsection{Using extra AMS fonts}
+% Euler Fraktur and the AMS symbol fonts should be used with the same design sizes
+% as the Euler-VM fonts, and should honor the \Lopt{small} option.
+% We defer the font definitions until |\AtBeginDocument|, to ensure
+% against loading of \Lpack{eufrak} or \Lpack{ammssymb} with the \Lopt{psamsfonts} option.
+% \begin{macrocode}
+\AtBeginDocument{%
+ \begingroup
+ \nfss@catcodes
+ \expandafter\ifx\csname zeu@Scale\endcsname\relax
+ \let\zeu@@Scale\@empty
+ \else
+ \edef\zeu@@Scale{s*[\csname zeu@Scale\endcsname]}%
+ \fi
+ \DeclareFontFamily{U}{euf}{}
+ \DeclareFontShape{U}{euf}{m}{n}{%
+ <-6>\zeu@@Scale eufm5%
+ <6-9>\zeu@@Scale eufm7%
+ <9->\zeu@@Scale eufm10%
+ }{}
+ \DeclareFontShape{U}{euf}{b}{n}{%
+ <-6>\zeu@@Scale eufb5%
+ <6-9>\zeu@@Scale eufb7%
+ <9->\zeu@@Scale eufb10%
+ }{}
+ \DeclareFontFamily{U}{msa}{}%
+ \DeclareFontShape{U}{msa}{m}{n}{%
+ <-6>\zeu@@Scale msam5%
+ <6-9>\zeu@@Scale msam7%
+ <9->\zeu@@Scale msam10%
+ }{}%
+ \DeclareFontFamily{U}{msb}{}%
+ \DeclareFontShape{U}{msb}{m}{n}{%
+ <-6>\zeu@@Scale msbm5%
+ <6-9>\zeu@@Scale msbm7%
+ <9->\zeu@@Scale msbm10%
+ }{}%
+ \endgroup
+}
+
+% \end{macrocode}
+% \subsection{Peaceful coexistence with the AMS packages}
+%
+% We define \cmd{\hslash} and \cmd{\hbar} after the premable only,
+% in order to protect them from being overwritten by \Lpack{amsfonts}:
+% \begin{macrocode}
+\AtBeginDocument{
+ \let\hslash\evm@hslash\let\hbar\evm@hbar
+% \end{macrocode}
+% When the \texttt{amsmath} package is loaded, the
+% multiple integral signs must be fixed wrt.\ the Euler extension font,
+% and we have to take care of the macros \cmd{\relbar} and
+% \cmd{\Relbar}:
+% \begin{macrocode}
+ \@ifpackageloaded{amsmath}{%
+ \def\intkern@{\mkern -4mu }%
+ \def\relbar{\mathrel{\smash\cm@minus}}
+ \let\Relbar\undefined
+ \DeclareMathSymbol{\Relbar}{\mathrel}{letters}{130}
+ }%
+% \end{macrocode}
+% Scaling of the math extension font requires the following patches
+% (see the description of the \Lpack{exscale} package), unless \Lpack{amsmath}
+% is also loaded:
+% \begin{macrocode}
+ {%
+ \newdimen\big@size
+ \addto@hook\every@math@size{\setbox\z@\vbox{\hbox{$($}\kern\z@}%
+ \global\big@size 1.2\ht\z@}
+ \def\bBigg@#1#2{%
+ {\hbox{$\left#2\vcenter to#1\big@size{}\right.\n@space$}}}
+ \def\big{\bBigg@\@ne}
+ \def\Big{\bBigg@{1.5}}
+ \def\bigg{\bBigg@\tw@}
+ \def\Bigg{\bBigg@{2.5}}
+ }
+}
+% \end{macrocode}
+%
+% \subsection{Restoring normal font warnings}
+% \begin{macrocode}
+\let\@font@info\evm@info
+\let\@font@warning\evm@warning
+%</package>
+% \end{macrocode}
+%
+% \section{The font definition files}
+%
+% \subsection{Common code for scaling}
+% \begin{macrocode}
+%<uzeur|uzeus|uzeuex> \expandafter\ifx\csname zeu@Scale\endcsname\relax
+%<uzeur|uzeus|uzeuex> \let\zeu@@Scale\@empty
+%<uzeur|uzeus|uzeuex> \else
+%<uzeur|uzeus|uzeuex> \edef\zeu@@Scale{s*[\csname zeu@Scale\endcsname]}%
+%<uzeur|uzeus|uzeuex> \fi
+% \end{macrocode}
+%
+% \subsection{Euler Roman}
+% \begin{macrocode}
+%<*uzeur>
+\DeclareFontFamily{U}{zeur}{\skewchar \font =127}
+\DeclareFontShape{U}{zeur}{m}{n}{
+ <9-> \zeu@@Scale zeurm10
+ <6-9> \zeu@@Scale zeurm7
+ <-6> \zeu@@Scale zeurm5
+}{}
+\DeclareFontShape{U}{zeur}{b}{n}{
+ <9-> \zeu@@Scale zeurb10
+ <6-9> \zeu@@Scale zeurb7
+ <-6> \zeu@@Scale zeurb5
+}{}
+\DeclareFontShape{U}{zeur}{bx}{n}{<->ssub * zeur/b/n}{}
+%</uzeur>
+% \end{macrocode}
+%
+% \subsection{Euler Script}
+% \begin{macrocode}
+%<*uzeus>
+\DeclareFontFamily{U}{zeus}{\skewchar \font =176}
+\DeclareFontShape{U}{zeus}{m}{n}{
+ <9-> \zeu@@Scale zeusm10
+ <6-9> \zeu@@Scale zeusm7
+ <-6> \zeu@@Scale zeusm5
+}{}
+\DeclareFontShape{U}{zeus}{b}{n}{
+ <9-> \zeu@@Scale zeusb10
+ <6-9> \zeu@@Scale zeusb7
+ <-6> \zeu@@Scale zeusb5
+}{}
+\DeclareFontShape{U}{zeus}{bx}{n}{<->ssub * zeus/b/n}{}
+%</uzeus>
+% \end{macrocode}
+%
+% \subsection{Euler Extension}
+% \begin{macrocode}
+%<*uzeuex>
+\DeclareFontFamily{U}{zeuex}{}
+\DeclareFontShape{U}{zeuex}{m}{n}{
+ <-> \zeu@@Scale zeuex10
+}{}
+%</uzeuex>
+% \end{macrocode}
+%
+% }
+%
+% \Finale
+%
+% \iffalse
+% The next line of code prevents DocStrip from adding the
+% character table to all modules:
+\endinput
+% \fi
+%
+%% \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 \~}
+%%
diff --git a/Master/texmf-dist/source/latex/eulervm/eulervm.ins b/Master/texmf-dist/source/latex/eulervm/eulervm.ins
new file mode 100644
index 00000000000..eb0c92ef6fb
--- /dev/null
+++ b/Master/texmf-dist/source/latex/eulervm/eulervm.ins
@@ -0,0 +1,11 @@
+% file eulervm.ins
+\input docstrip
+\usedir{tex/latex/eulervm}
+
+\generate{\file{eulervm.sty}{\from{eulervm.dtx}{package}}
+ \file{uzeur.fd}{\from{eulervm.dtx}{uzeur}}
+ \file{uzeus.fd}{\from{eulervm.dtx}{uzeus}}
+ \file{uzeuex.fd}{\from{eulervm.dtx}{uzeuex}}}
+
+\endbatchfile
+