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+%
+% \begin{macrocode}
+\newif\ifOldLaTeX
+\@ifundefined{documentclass}{\OldLaTeXtrue}{\OldLaTeXfalse}
+% \end{macrocode}
+%
+%
+% \subsection{Compatibility Definitions}
+%
+% Since we want to use this style with \LaTeX\,2.09 and \LaTeXe{} we have
+% to define a common interface. For this purpose we use a subset of
+% the style writers interface already defined for \LaTeXe{} style
+% writers. Since some macros are not defined in \LaTeX\,2.09 we
+% implement them --- at least to the degree needed here.
+%
+% \begin{macrocode}
+\ifOldLaTeX
+% \end{macrocode}
+%
+% Just for fun we define some font switching commands. In fact the
+% behaviour in \LaTeXe{} is more complex. But I think these
+% definitions are enough to avoid errors.
+% \begin{macrocode}
+ \newcommand\emph[1]{{\em #1}\/}
+ \newcommand\textbf[1]{{\bf #1}}
+ \newcommand\textrm[1]{{\rm #1}}
+ \newcommand\textsc[1]{{\sc #1}}
+ \newcommand\textsf[1]{{\sf #1}}
+ \newcommand\textsl[1]{{\sl #1\/}}
+ \newcommand\textit[1]{{\it #1\/}}
+ \newcommand\texttt[1]{{\tt #1}}
+
+ \@ifundefined{fontshape}{\let\fontshape=\@gobble}{}
+ \@ifundefined{selectfont}{\let\selectfont=\relax}{}
+
+ \newcommand\providescommand[2]{\ifx#1\@undefined\newcommand#1{#2}\fi}
+% \end{macrocode}
+%
+% \begin{macrocode}
+\fi
+% \end{macrocode}
+%
+%
+% \subsection{Useful Macros}
+%
+% This section contains some useful abbreviations. They are mainly
+% some kind of logos.
+%
+% The following hack is from Bernd Raichle.
+%
+% Fuer LaTeX 2.09 (mit oder ohne NFSS) benoetigen wir noch
+% so etwas wie \verb|\smaller| aus dem veralteteten `smaller.sty',
+% um SmallCaps fuer (fast) alle Schriftarten nachzubilden.
+% Fuer SmallCaps muss jedoch um mehr Schriftgrade als bei
+% \verb|\smaller| verkleinert werden, so dass hier eine neue
+% Definition namens \verb|\logo@smaller| folgt, deren Verkleinerung
+% sich an den `math sizes' (hier: \verb|\scriptfont<fam>|) orientiert,
+% die standardmaessig mit \LaTeX2e definiert werden.
+%
+% \begin{macrocode}
+\ifOldLaTeX
+\expandafter\ifx\csname selectfont\endcsname\relax
+ % Fuer OFSS benoetigen wir noch einen Hack, damit
+ % wir wieder auf die Schriftfamilie/Series/Shape
+ % zurueckwechseln. Dazu ``missbrauchen'' wir die
+ % `math group/fam', die in den Makros in der Datei
+ % "lfonts.tex" entsprechend mit veraendert wird.
+ \newcommand{\logo@sm@ller}{\relax
+ \expandafter\logo@sm@ll@r\expandafter{\the\fam}}
+ \newcommand{\logo@sm@ll@r}[1]{%
+ % \ifx\@currsize\tiny \tiny\fi
+ \ifx\@currsize\scriptsize \tiny\fi
+ \ifx\@currsize\footnotesize \tiny\fi
+ \ifx\@currsize\small \scriptsize\fi
+ \ifx\@currsize\normalsize \scriptsize\fi
+ \ifx\@currsize\large \footnotesize\fi
+ \ifx\@currsize\Large \normalsize\fi
+ \ifx\@currsize\LARGE \large\fi
+ \ifx\@currsize\huge \Large\fi
+
+ \ifx\@currsize\Huge \huge\fi
+ \ifcase#1\relax\rm\or\mit\or\cal\or\tenex % not sure about the tenex
+ \or\it\or\sl\or\bf\or\tt\or\sf\or\sc\or\ly\fi}
+\else
+ % Mit NFSS (fuer LaTeX 2.09) koennen wir die Groesse
+ % unabhaengig von den anderen Font-Eigenschaften aendern,
+ % so dass dies etwas einfacher geht.
+ \newcommand{\logo@sm@ller}{%
+ \relax\@nomath\logo@smaller
+ \ifx\f@size\@vpt \else
+ \ifx\f@size\@vipt \fontsize\@vpt{6pt}\fi
+ \ifx\f@size\@viipt \fontsize\@vpt{6pt}\fi
+ \ifx\f@size\@viiipt \fontsize\@vipt{7pt}\fi
+ \ifx\f@size\@ixpt \fontsize\@vipt{7pt}\fi
+ \ifx\f@size\@xpt \fontsize\@viipt{8pt}\fi
+ \ifx\f@size\@xipt \fontsize\@viiipt{9.5pt}\fi
+ \ifx\f@size\@xiipt \fontsize\@viiipt{9.5pt}\fi
+ \ifx\f@size\@xivpt \fontsize\@xpt{12pt}\fi
+ \ifx\f@size\@xviipt \fontsize\@xiipt{14pt}\fi
+ \ifx\f@size\@xxpt \fontsize\@xivpt{18pt}\fi
+ \ifx\f@size\@xxvpt \fontsize\@xxpt{25pt}\fi
+ \selectfont
+ \fi}
+ % die ersten NFSS-Versionen benutzten noch den Makroname
+ % \size statt \fontsize
+ \@ifundefined{fontsize}{\let\fontsize=\size}{}
+\fi
+\newcommand{\logo@smaller}{\protect\logo@sm@ller}
+\fi
+% \end{macrocode}
+%
+% \subsubsection{Macros from texnames.sty}
+%
+% The following macros are taken from the file {\tt texnames.sty}
+% version \verb|1.09| from \verb|<16 March 1993>| by Nelson
+% H.\,F.~Beebe. I have simply included the definitions here to avoid
+% additional files to be distributed with dtk.dtx. The original
+% documentation has been wrapped into the doc format. And here it goes:
+%
+% In the following, we first give the ``official'' definition,
+% then follow it with spelling variants. Alternate definitions
+% are discarded in favor of the official one. Each family is
+% separated by a line like the following one.
+%
+% \begin{macro}{\TeX}
+% Only change from plain.tex is the \verb|\spacefactor| assignment
+% (suggested by Phil Taylor), so that \TeX\ at the end of a
+% sentence isn't treated as an abbreviation.
+%
+% \begin{macrocode}
+\renewcommand\TeX{T\kern-.1667em\lower.5ex\hbox{E}\kern-.125emX%
+ \spacefactor1000 }
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\AmS}
+% From the AMS tex/ams/amslatex/fontsel/nfssinst.tex file:
+% \begin{macrocode}
+\@ifundefined{AmS}{%
+ \def\AmS{\(\cal A\)\kern-.1667em\lower.5ex\hbox
+ {\(\cal M\)}\kern-.125em{\(\cal S\)}}}{}
+\@ifundefined{AMS}{\let\AMS=\AmS}{}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\AmSLaTeX}
+% \begin{macrocode}
+\@ifundefined{AmSLaTeX}{\def\AmSLaTeX{\AmS-\LaTeX}}{}
+\@ifundefined{AMSLaTeX}{\let\AMSLaTeX=\AmSLaTeX}{}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\AmSTeX}
+% Mike Spivak's amstex/amstex.tex 1.1d [26-Aug-1988] has\\
+% \verb|\def\AmSTeX{{\textfontii A}\kern-.1667em\lower.5ex\hbox|\\
+% \verb| {\textfontii M}\kern-.125em{\textfontii S}-\TeX}|\\
+% and 2.1 [05-Apr-1991] has an equivalent definition.
+% AmSTeX's \verb|\textfontii| is exactly the same as \verb|\cal|, which
+% all \TeX variants understand.
+%
+% \begin{macrocode}
+\@ifundefined{AmSTeX}{%
+ \def\AmSTeX{$\cal A$\kern-.1667em\lower.5ex\hbox{$\cal M$}%
+ \kern-.125em$\cal S$-\TeX}}{}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\AMSTEX}
+% Leslie Lamport's latex/tmanual.tex [10-Jul-1984] (an early
+% draft of the book) defines it in uppercase with the standard
+% definition.
+% \begin{macrocode}
+\@ifundefined{AMSTEX}{\let\AMSTEX=\AmSTeX}{}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\AMSTEX}
+% Barbara Beeton's latex/deproc.sty [24-Apr-1986] and inputs/tugbot.sty
+% [11-Jan-1988] uses this spelling, but the definition\\
+% \verb|\leavevmode\hbox{$\cal A\kern-.2em\lower.376ex \hbox{$\cal|\\
+% \verb|M$}\kern-.2em\cal S$-\TeX}|
+% \begin{macrocode}
+\@ifundefined{AMSTeX}{\let\AMSTeX=\AmSTeX}{}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\BibTeX}
+% The definitions of \verb|\BibTeX| and \verb|\SLiTeX| in Leslie Lamport's
+% latex/local.tex lower the E by 0.7ex, while \TeX in plain.tex lowers
+% it by 0.5ex. Oren Patashnik's bibtex/btxdoc.tex and bibtex/btxhak.tex
+% [08-Feb-1988] and bibtex/bibtex.web 0.99c [xx-Feb-1988] use this same
+% name and definition, but Oren said using \TeX here is ok. (Curiously,
+% \LaTeX itself does not define macros for any \TeX ware except \LaTeX and
+% \TeX!)
+%
+% \begin{macrocode}
+\ifOldLaTeX
+ \newcommand{\BibTeX}{\protect\pBibTeX}
+ \newcommand{\pBibTeX}{B\kern-.05em%
+ \hbox{\logo@smaller I\kern-.025emB}\kern-.08em%
+ \-\TeX}
+\else
+ \DeclareRobustCommand{\BibTeX}{B\kern-.05em%
+ % Der folgende Hack stammt aus der Definition des
+ % Makros \LaTeX, siehe Datei `ltlogos.dtx' der
+ % LaTeX2e-Verteilung.
+ \hbox{$\m@th$% %% force math size calculations
+ \csname S@\f@size\endcsname
+ \fontsize\sf@size\z@
+ \math@fontsfalse\selectfont
+ I\kern-.025emB}%
+ \kern-.08em%
+ \-\TeX}
+\fi
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\BIBTeX}
+% Leslie Lamport uses this spelling in latex.tex, but not as a
+% macro. We include it for consistency with AMSTeX.
+%
+% \begin{macrocode}
+\@ifundefined{BIBTeX}{\let\BIBTeX=\BibTeX}{}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\BIBTEX}
+% Leslie Lamport's latex/slides.tex [05-Jun-1984],
+% latex/tmanual.tex [10-Jul-1984] (an early draft of the book),
+% and latex/lerrata.tex [23-Jul-1985] have this spelling, but the
+% definition \verb|BIB\kern-.1em\TeX|.
+%
+% \begin{macrocode}
+\@ifundefined{BIBTEX}{\let\BIBTEX=\BibTeX}{}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\LAMSTeX}
+% From tugboat.com 1.08 [24-Oct-1990].
+%
+% \begin{macrocode}
+\@ifundefined{LAMSTeX}{%
+ \newcommand\LAMSTeX{L\raise.42ex\hbox{\kern-.3em\the\scriptfont2 A}%
+ \kern-.2em\lower.376ex\hbox{\the\textfont2 M}%
+ \kern-.125em {\the\textfont2 S}-\TeX}}{}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\LamSTeX}
+% \begin{macrocode}
+\@ifundefined{LamSTeX}{\let\LamSTeX=\LAMSTeX}{}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\LAmSTeX}
+% This variant seems likely to appear:
+%
+% \begin{macrocode}
+\@ifundefined{LAmSTeX}{\let\LAmSTeX=\LAMSTeX}{}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\LaTeX}
+% The definition from latex.tex (LATEX VERSION 2.09 <14 January 1991>)
+% and bibtex.web 0.99c [xx-Feb-1988] lowers the E slightly more than
+% \TeX, but consistency seems more desirable. See comments at \BibTeX.
+% Different definitions are given by latex/deproc.sty [24-Apr-1986],
+% amstex/man.sty [15-Dec-1986] inputs/tugbot.sty [11-Jan-1988], and
+% latex/tugboat.com 1.08 [24-Oct-1990].
+%
+% \begin{macrocode}
+\@ifundefined{LaTeX}{%
+ \def\LaTeX{L\kern-.36em\raise.3ex\hbox{\sc a}\kern-.15em\TeX}}{}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\LATEX}
+% latex/slides.tex [05-Jun-1984] and latex/lerrata.tex [23-Jul-1985]
+% have this spelling, but different definitions
+%
+% \begin{macrocode}
+\@ifundefined{LATEX}{\let\LATEX=\LaTeX}{}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\LATEX}
+% latex/slides.tex [05-Jun-1984] and latex/lerrata.tex [23-Jul-1985]
+% have this spelling, but different definitions
+%
+% \begin{macrocode}
+\ifOldLaTeX
+ \newcommand\LaTeXTeX{(\kern-.15emL\kern-.36em\raise.3ex\hbox{\sc
+ a}\kern-.3em)\kern-.15em\TeX}%
+\else
+ \DeclareRobustCommand{\LaTeXTeX}{(\kern-.15emL\kern-.36em%
+ {\sbox\z@ T%
+ \vbox to\ht0{\hbox{$\m@th$%
+ \csname S@\f@size\endcsname
+ \fontsize\sf@size\z@
+ \math@fontsfalse\selectfont
+ A}%
+ \vss}%
+ }\kern-.2em)%
+ \kern-.15em%
+ \TeX}
+\fi
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\MF}
+% Don Knuth's mf.web 2.7 [xx-Sep-1990] and Barbara Beeton's
+% latex/deproc.sty [24-Apr-1986] use an equivalent of this definition.
+% The font is variously named \verb|\logo|, \verb|\manfnt|, and
+% \verb|\mf|. plain.tex
+% preloads \verb|\manfnt|. manfnt has the letters A, E, F, M, N, O, T in
+% various sizes plus extra symbols for Don Knuth's books Computers and
+% Typesetting, and Concrete Mathematics, while logo10 has only those
+% letters in one size. AmSTeX uses \verb|\logo| in amsppt.sty and
+% imappt.sty, so we should avoid it, and tugboat.com uses
+% \verb|\mf| for \verb|{\smc Metafont}|. We therefore use
+% \verb|\manfnt| here, defining it if necessary. QUESTION: should
+% we use manfnt, or logo10?
+%
+% \begin{macrocode}
+\ifOldLaTeX
+ \ifx\manfnt\@undefined
+ \font\manfnt=logo10
+ \fi
+ \ifx\manfntsl\@undefined
+ \font\manfntsl=logosl10
+ \fi
+ \def\MF{{\ifdim\fontdimen1\font>0pt \let\manfnt = \manfntsl \fi
+ {\manfnt META}\-{\manfnt FONT}}\spacefactor1000 }%
+ \def\MP{{\ifdim\fontdimen1\font>0pt \let\manfnt = \manfntsl \fi
+ {\manfnt META}\-{\manfnt POST}}\spacefactor1000 }%
+\else
+% \end{macrocode}
+%
+% The following improved definitions are taken from mflogo by Ulrik Vieth.
+%
+% \begin{macrocode}
+\DeclareFontFamily{U}{logo}{}
+\DeclareFontShape{U}{logo}{m}{n}{
+ <8> <9> gen * logo
+ <10> <10.95> <12> <14.4> <17.28> <20.74> <24.88> logo10
+}{}
+\DeclareFontShape{U}{logo}{m}{it}{
+ <8> <9> gen * logosl
+ <10> <10.95> <12> <14.4> <17.28> <20.74> <24.88> logosl10
+}{}
+\DeclareFontShape{U}{logo}{m}{sl}{
+ <-> ssub * logo/m/it
+}{}
+\DeclareFontShape{U}{logo}{sbc}{n}{
+ <8> <9> sub * logo/m/n
+ <10> <10.95> <12> <14.4> <17.28> <20.74> <24.88> logobf10
+}{}
+\DeclareFontShape{U}{logo}{b}{n}{
+ <8> <9> sub * logo/m/n
+ <10> <10.95> <12> <14.4> <17.28> <20.74> <24.88> logod10
+}{}
+\DeclareFontShape{U}{logo}{bx}{n}{
+ <-> ssub * logo/b/n
+}{}
+\DeclareRobustCommand\logofamily{%
+ \not@math@alphabet\logofamily\relax
+ \fontencoding{U}\fontfamily{logo}\selectfont}
+\DeclareTextFontCommand{\textlogo}{\logofamily}
+\def\MF{\textlogo{META}\-\textlogo{FONT}\@}
+\def\MP{\textlogo{META}\-\textlogo{POST}\@}
+\fi
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\METAFONT}
+% I cannot find any ``official'' uses of this alternate, but it
+% seems likely that people will use it.
+%
+% \begin{macrocode}
+\@ifundefined{METAFONT}{\let\METAFONT=\MF}{}
+% \end{macrocode}
+% \end{macro}
+% \begin{macro}{\METAPOST}
+% In analogy to \verb|METAFONT|.
+%
+% \begin{macrocode}
+\@ifundefined{METAPOST}{\let\METAPOST=\MP}{}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\SLITEX}
+% Leslie Lamport's latex/slides.tex [05-Jun-1984]. His
+% latex/lerrata.tex [23-Jul-1985] and latex/tmanual.tex
+% [10-Jul-1984] (an early draft of the book) define it as
+% SLI\TeX! The \LaTeX\ User's Guide and Reference Manual (1986)
+% appears to use small caps, and possibly kerning, for Sli.
+% I need to ask Leslie to suggest a preferred definition.
+%
+% \begin{macrocode}
+\@ifundefined{SLITEX}{
+ \newcommand\SLITEX{%
+ S\kern-.065em L\kern-.18em\raise.32ex\hbox{i}%
+ \kern-.03em\TeX}}{}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\SLiTeX}
+% latex/local.tex (sample Local Guide) [27-Oct-1988] uses
+% this name, but defines it as\\
+% \verb|{\rm S\kern-.06em{\sc l\kern-.035emi}\kern-.06em T\kern|\\
+% \verb| -.1667em\lower.7ex\hbox{E}\kern-.125emX}|\\
+% with an extra-low E, and kerned Sli in small caps. Is this
+% what the \LaTeX\ User's Guide and Reference Manual (1986) used?
+%
+% \begin{macrocode}
+\@ifundefined{SLiTeX}{\let\SLiTeX=\SLITEX}{}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\SliTeX}
+% latex/slitex.tex [08-Jun-1988] uses SliTeX in typeouts,
+% but not as a macro -- what a way to confuse the user.
+%
+% \begin{macrocode}
+\@ifundefined{SliTeX}{\let\SliTeX=\SLITEX}{}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\SLITeX}
+% I cannot find a use of this one, but it seems a likely
+% candidate anyway, and is consistent with AMSTeX and BIBTeX.
+%
+% \begin{macrocode}
+\@ifundefined{SLITeX}{\let\SLITeX=\SLITEX}{}
+% \end{macrocode}
+% \end{macro}
+%
+%
+% \begin{macro}{\NTS}
+% This one comes from a communication with Bernd Raichle.
+%
+% \begin{macrocode}
+\newcommand\NTS{\mbox{\mathsurround=0pt
+ \(\cal N\mkern -4mu\lower .5ex\hbox{$\cal T$}\mkern -2mu S\)}}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\MakeIndex}
+% This one comes from a communication with Bernd Raichle based on
+% makeindex.tex -- released 17 February 1987 by Leslie Lamport.
+% \begin{macrocode}
+\@ifundefined{MakeIndex}{\newcommand\MakeIndex{\textit{Make\-Index}}}{}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\emTeX}
+%
+% \changes{1.3}{1997/02/03}{logo added.}
+% \begin{macrocode}
+\@ifundefined{emTeX}{\newcommand\emTeX{em\TeX}}{}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\PublicTeX}
+%
+% \changes{1.3}{1997/02/03}{logo added.}
+% \begin{macrocode}
+\@ifundefined{PubliCTeX}{\newcommand\PubliCTeX{PubliC\TeX}}{}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\TeXXeT}
+% This one comes from the sources of web2c.
+% \changes{1.2}{1996/12/15}{logo added.}
+% \begin{macrocode}
+\@ifundefined{TeXXeT}{\newcommand\TeXXeT{%
+ \TeX--X\kern-.125em\lower.5ex\hbox{E}\kern-.1667emT}}{}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\TeXeT}
+% This one comes from the sources of web2c.
+% \changes{1.2}{1996/12/15}{logo added.}
+% \begin{macrocode}
+\@ifundefined{TeXeT}{\newcommand\TeXeT{%
+ \TeX-X\kern-.125em\lower.5ex\hbox{E}\kern-.1667emT}}{}
+% \end{macrocode}
+% \end{macro}
+%
+%
+% \subsubsection{Additional Macros for Logos}
+%
+% The following macros are maily form the predecessor style
+% file. Some new ones have been added.
+%
+% \begin{macro}{\eV}
+% The abbreviation for e.\kern-.18emV\kern-.18em.\ is defined in
+% this macro. The kerning of the letters is corrected manually.
+%
+% Disclaimer: I have not invented this macro. It has been defined
+% this way in the predecessor style.
+% \begin{macrocode}
+\newcommand\eV{e.V\kern-.18em\@ifnextchar.{}{.}}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\dante}
+% The ``official logo'' for DANTE e.\kern-.18emV\kern-.18em.\ is
+% defined.
+% \begin{macrocode}
+\newcommand\dante{DANTE \eV}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\Dante}
+% The long name of DANTE.
+% \begin{macrocode}
+\newcommand\Dante{DANTE, Deutschsprachige Anwendervereinigung \TeX~\eV}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\DTK}
+% The long name of this booklet, eh journal.
+% \begin{macrocode}
+\newcommand\DTK{Die \TeX\-ni\-sche Ko\-m{\"o}\-die}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\LaTeXe}
+% If \verb|\LaTeXe| is not defined then define it. Since this macro
+% is so essential we just want to be sure that it exists.
+% \begin{macrocode}
+\ifx\LaTeXe\@undefined
+ \def\LaTeXe{\LaTeX{}\kern.05em2$_{\textstyle\varepsilon}$}
+\fi
+% \end{macrocode}
+% \end{macro}
+%
+%
+% \begin{macro}{\PS}
+% We define the logo for Post\-Script.
+% \begin{macrocode}
+\newcommand\PS{Post\-Script}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\PiC}
+% For some reason this is not defined in texnames.sty. Since it has
+% been in the predecessor of this style it is also defined here.
+% \begin{macrocode}
+\newcommand\PiC{P\kern-.12em\lower.5ex\hbox{I}\kern-.075emC}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\PiCTeX}
+% Now the previous macro is combined with \TeX.
+% \begin{macrocode}
+\newcommand\PiCTeX{\PiC\kern-.11em\TeX}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\TUG}
+% The \TeX{} Users Group.
+% \begin{macrocode}
+\newcommand\TUG{\TeX{} Users Group}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\TUGboat}
+% The communications of the \TeX{} Users Group
+% \begin{macrocode}
+\newcommand\TUGboat{\textsl{TUGboat}}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\TTN}
+% The communications of the \TeX{} Users Group
+% \begin{macrocode}
+\newcommand\TTN{\textsl{\TeX{} and TUG NEWS}}
+% \end{macrocode}
+% \end{macro}
+%
+%
+% \begin{macro}{\NFSS}
+% The New Font Selection Scheme.
+% \begin{macrocode}
+\newcommand\NFSS{\textsf{NFSS}}
+% \end{macrocode}
+% \end{macro}
+%