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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}
%