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+% \iffalse meta-comment
+%
+% Copyright (C) 2005, 2006 by Heiko Oberdiek <oberdiek@uni-freiburg.de>
+%
+% This work may be distributed and/or modified under the
+% conditions of the LaTeX Project Public License, either
+% version 1.3 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 1.3 or later is part of all distributions of
+% LaTeX version 2005/12/01 or later.
+%
+% This work has the LPPL maintenance status "maintained".
+%
+% This Current Maintainer of this work is Heiko Oberdiek.
+%
+% This work consists of the main source file classlist.dtx
+% and the derived files
+% classlist.sty, classlist.pdf, classlist.ins, classlist.drv.
+%
+% Distribution:
+% CTAN:macros/latex/contrib/oberdiek/classlist.dtx
+% CTAN:macros/latex/contrib/oberdiek/classlist.pdf
+%
+% Unpacking:
+% (a) If classlist.ins is present:
+% tex classlist.ins
+% (b) Without classlist.ins:
+% tex classlist.dtx
+% (c) If you insist on using LaTeX
+% latex \let\install=y\input{classlist.dtx}
+% (quote the arguments according to the demands of your shell)
+%
+% Documentation:
+% (a) If classlist.drv is present:
+% latex classlist.drv
+% (b) Without classlist.drv:
+% latex classlist.dtx; ...
+% The class ltxdoc loads the configuration file ltxdoc.cfg
+% if available. Here you can specify further options, e.g.
+% use A4 as paper format:
+% \PassOptionsToClass{a4paper}{article}
+%
+% Programm calls to get the documentation (example):
+% pdflatex classlist.dtx
+% makeindex -s gind.ist classlist.idx
+% pdflatex classlist.dtx
+% makeindex -s gind.ist classlist.idx
+% pdflatex classlist.dtx
+%
+% Installation:
+% TDS:tex/latex/oberdiek/classlist.sty
+% TDS:doc/latex/oberdiek/classlist.pdf
+% TDS:source/latex/oberdiek/classlist.dtx
+%
+%<*ignore>
+\begingroup
+ \def\x{LaTeX2e}
+\expandafter\endgroup
+\ifcase 0\ifx\install y1\fi\expandafter
+ \ifx\csname processbatchFile\endcsname\relax\else1\fi
+ \ifx\fmtname\x\else 1\fi\relax
+\else\csname fi\endcsname
+%</ignore>
+%<*install>
+\input docstrip.tex
+\Msg{************************************************************************}
+\Msg{* Installation}
+\Msg{* Package: classlist 2006/02/20 v1.2 Record loaded classes (HO)}
+\Msg{************************************************************************}
+
+\keepsilent
+\askforoverwritefalse
+
+\preamble
+
+This is a generated file.
+
+Copyright (C) 2005, 2006 by Heiko Oberdiek <oberdiek@uni-freiburg.de>
+
+This work may be distributed and/or modified under the
+conditions of the LaTeX Project Public License, either
+version 1.3 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 1.3 or later is part of all distributions of
+LaTeX version 2005/12/01 or later.
+
+This work has the LPPL maintenance status "maintained".
+
+This Current Maintainer of this work is Heiko Oberdiek.
+
+This work consists of the main source file classlist.dtx
+and the derived files
+ classlist.sty, classlist.pdf, classlist.ins, classlist.drv.
+
+\endpreamble
+
+\generate{%
+ \file{classlist.ins}{\from{classlist.dtx}{install}}%
+ \file{classlist.drv}{\from{classlist.dtx}{driver}}%
+ \usedir{tex/latex/oberdiek}%
+ \file{classlist.sty}{\from{classlist.dtx}{package}}%
+}
+
+\obeyspaces
+\Msg{************************************************************************}
+\Msg{*}
+\Msg{* To finish the installation you have to move the following}
+\Msg{* file into a directory searched by TeX:}
+\Msg{*}
+\Msg{* classlist.sty}
+\Msg{*}
+\Msg{* To produce the documentation run the file `classlist.drv'}
+\Msg{* through LaTeX.}
+\Msg{*}
+\Msg{* Happy TeXing!}
+\Msg{*}
+\Msg{************************************************************************}
+
+\endbatchfile
+%</install>
+%<*ignore>
+\fi
+%</ignore>
+%<*driver>
+\NeedsTeXFormat{LaTeX2e}
+\ProvidesFile{classlist.drv}%
+ [2006/02/20 v1.2 Record loaded classes (HO)]
+\documentclass{ltxdoc}
+\usepackage{holtxdoc}
+\begin{document}
+ \DocInput{classlist.dtx}
+\end{document}
+%</driver>
+% \fi
+%
+% \CheckSum{162}
+%
+% \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 \~}
+%
+% \GetFileInfo{classlist.drv}
+%
+% \title{The \xpackage{classlist} package}
+% \date{2006/02/20 v1.2}
+% \author{Heiko Oberdiek\\\xemail{oberdiek@uni-freiburg.de}}
+%
+% \maketitle
+%
+% \begin{abstract}
+% This package records the loaded classes and stores
+% them in a list.
+% \end{abstract}
+%
+% \tableofcontents
+%
+% \section{Documentation}
+%
+% \subsection{Background}
+%
+% This packages is an answer of a newsgroup question:
+% \begin{quote}
+% \begin{tabular}{@{}ll@{}}
+% Newsgroup: & comp.text.tex\\
+% Subject: & Finding the Document Class\\
+% From: & Herber Schulz\\
+% Date: & 18 Jun 2005 13:16:49 -0500\\
+% Message-ID: &
+% \textless
+% \texttt{herbs-D55DB9.13170418062005@news.isp.giganews.com}^^A
+% \textgreater
+% \end{tabular}
+% \end{quote}
+%
+% \subsection{Usage}
+%
+% Load this package before \cs{documentclass}:
+% \begin{quote}
+% |\RequirePackage{classlist}|\\
+% |\documentclass[some,options]{whatever}|
+% \end{quote}
+% It then records the classes with options.
+%
+% If used after \cs{documentclass}, \cs{@filelist} is
+% parsed for classes. The additional data
+% specified options and requested version is no
+% longer available here.
+%
+% \begin{description}
+% \item[\cs{MainClass}] contains the first loaded class.
+% \item[\cs{ClassList}] stores the class entries, eg.
+% \begin{quote}
+% \begin{tabular}{@{}l@{ }l@{}}
+% \cs{ClassList} $\rightarrow$&
+% |\ClassListEntry{myarticle}{a4paper}{}|\\
+% &|\ClassListEntry{article}{}{}|
+% \end{tabular}
+% \end{quote}
+% \item[\cs{ClassListEntry}] has three arguments:
+% \begin{quote}
+% \begin{tabular}{@{}ll@{}}
+% |#1|: & class name\\
+% |#2|: & options given in \cs{documentclass}/\cs{LoadClass}\\
+% |#3|: & requested version, not the version of class
+% \end{tabular}
+% \end{quote}
+% \item[\cs{PrintClassList}] prints the list on screen it can be
+% configured by
+% \item[\cs{PrintClassListTitle}] for the title and
+% \item[\cs{PrintClassListEntry}] for formatting the entries.
+% See the implemenation how to use these.
+% \end{description}
+%
+% \StopEventually{
+% }
+%
+% \section{Implementation}
+%
+% \begin{macrocode}
+%<*package>
+% \end{macrocode}
+% Package identification.
+% \begin{macrocode}
+\NeedsTeXFormat{LaTeX2e}
+\ProvidesPackage{classlist}%
+ [2006/02/20 v1.2 Record loaded classes (HO)]
+% \end{macrocode}
+%
+% \begin{macrocode}
+\let\ClassList\@empty
+\let\MainClassName\relax
+% \end{macrocode}
+%
+% Test, whether we are called before \cs{documentclass}.
+% \begin{macrocode}
+\ifx\@classoptionslist\relax
+ \let\CL@org@fileswith@pti@ns\@fileswith@pti@ns
+ \def\@fileswith@pti@ns#1[#2]#3[#4]{%
+% \end{macrocode}
+% \begin{tabular}{@{}ll@{}}
+% |#1|: & \cs{@clsextension}\\
+% |#2|: & options of \cs{documentclass}/\cs{LoadClass}\\
+% |#3|: & class name\\
+% |#4|: & requested version
+% \end{tabular}
+% \begin{macrocode}
+ \ifx#1\@clsextension
+ \@ifl@aded#1{#3}{%
+ \PackageInfo{classlist}{%
+ Skipping class `#3', because\MessageBreak
+ this class is already loaded%
+ }%
+ }{%
+ \@ifundefined{MainClassName}{%
+ \def\MainClassName{#3}%
+ }{}%
+ \@temptokena\expandafter{%
+ \ClassList
+ \ClassListEntry{#3}{#2}{#4}%
+ }%
+ \edef\ClassList{\the\@temptokena}%
+ }%
+ \fi
+ \CL@org@fileswith@pti@ns{#1}[{#2}]{#3}[{#4}]%
+ }
+ \let\@@fileswith@pti@ns\@fileswith@pti@ns
+\else
+% \end{macrocode}
+% Called after \cs{documentclass}.
+% \begin{macrocode}
+ \PackageInfo{classlist}{Use \string\@filelist\space method}%
+
+ \let\ClassListEntry\relax
+ \expandafter\def\expandafter\CL@test
+ \expandafter#\expandafter1\@clsextension#2\@nil{%
+ \ifx\\#2\\%
+% \end{macrocode}
+% Name does not contain \cs{@clsextension}
+% \begin{macrocode}
+ \else
+ \expandafter\CL@test@i\CL@entry\@nil
+ \fi
+ }%
+ \expandafter\def\expandafter\CL@test@i
+ \expandafter#\expandafter1\@clsextension#2\@nil{%
+ \ifx\\#2\\%
+ \@ifundefined{opt@\CL@entry}{%
+ }{%
+ \@ifundefined{MainClassName}{%
+ \let\MainClassName\CL@entry
+ }{%
+ }%
+ \edef\ClassList{%
+ \ClassList
+ \ClassListEntry{\CL@entry}{}{}%
+ }%
+ }%
+ \else
+% \end{macrocode}
+% Names with more than one \cs{@clsextension} are not supported.
+% \begin{macrocode}
+ \fi
+ }
+ \@for\CL@entry:=\@filelist\do{%
+ \expandafter\expandafter\expandafter\CL@test\expandafter
+ \CL@entry\@clsextension\@nil
+ }%
+\fi
+% \end{macrocode}
+%
+% \begin{macro}{\PrintClassListEntry}
+% \begin{macrocode}
+\providecommand*{\PrintClassListEntry}[3]{%
+ \toks@{* #1}%
+ \typeout{\the\toks@}%
+}
+% \end{macrocode}
+% \end{macro}
+% \begin{macro}{\PrintClassListTitle}
+% \begin{macrocode}
+\providecommand*{\PrintClassListTitle}{%
+ \typeout{Class list:}%
+}
+% \end{macrocode}
+% \end{macro}
+% \begin{macro}{\PrintClassList}
+% \begin{macrocode}
+\providecommand*{\PrintClassList}{%
+ \begingroup
+ \let\ClassListEntry\PrintClassListEntry
+ \PrintClassListTitle
+ \ClassList
+ \endgroup
+}
+% \end{macrocode}
+% \end{macro}
+% \begin{macro}{\CL@InfoEntry}
+% \begin{macrocode}
+\def\CL@InfoEntry#1#2#3{%
+ \advance\count@ by \@ne
+ \def\x{#2}%
+ \@onelevel@sanitize\x
+ \edef\CL@Info{%
+ \CL@Info
+ \noexpand\MessageBreak
+ (\the\count@) %
+ #1 [\x]%
+ \ifx\\#3\\%
+ \else
+ \space[#3]%
+ \fi
+ }%
+}
+% \end{macrocode}
+% \end{macro}
+% \begin{macrocode}
+\AtBeginDocument{%
+ \begingroup
+ \count@=\z@
+ \def\CL@Info{Class List:}%
+ \let\ClassListEntry\CL@InfoEntry
+ \ClassList
+ \let\on@line\@empty
+ \PackageInfo{classlist}{\CL@Info}
+ \endgroup
+}
+% \end{macrocode}
+%
+% \begin{macrocode}
+%</package>
+% \end{macrocode}
+% \section{Installation}
+%
+% \paragraph{CTAN.} This package is available on
+% CTAN\footnote{\url{ftp://ftp.ctan.org/tex-archive/}}:
+% \begin{description}
+% \item[\CTAN{macros/latex/contrib/oberdiek/classlist.dtx}] The source file.
+% \item[\CTAN{macros/latex/contrib/oberdiek/classlist.pdf}] Documentation.
+% \end{description}
+%
+% \paragraph{Unpacking.} The \xfile{.dtx} file is a self-extracting
+% \docstrip\ archive. The files are extracted by running the
+% \xfile{.dtx} through \plainTeX:
+% \begin{quote}
+% \verb|tex classlist.dtx|
+% \end{quote}
+%
+% \paragraph{TDS.} Now the different files must be moved into
+% the different directories in your installation TDS tree
+% (also known as \xfile{texmf} tree):
+% \begin{quote}
+% \sbox0{^^A
+% \begin{tabular}{@{}>{\ttfamily}l@{$\quad\rightarrow\quad$}>{\ttfamily}l@{}}
+% classlist.sty & tex/latex/oberdiek/classlist.sty\\
+% classlist.pdf & doc/latex/oberdiek/classlist.pdf\\
+% classlist.dtx & source/latex/oberdiek/classlist.dtx\\
+% \end{tabular}^^A
+% }%
+% \ifdim\wd0>\linewidth
+% \mbox{}\nobreak\hskip0pt minus\leftmargin
+% \usebox0
+% \nobreak\hskip0pt minus\rightmargin
+% \else
+% \usebox0
+% \fi
+% \end{quote}
+% If you have a \xfile{docstrip.cfg} that configures and enables \docstrip's
+% TDS installing feature, then some files can already be in the right
+% place, see the documentation of \docstrip.
+%
+% \paragraph{Refresh file databases.} If your \TeX~distribution
+% (\teTeX, \mikTeX, \dots) rely on file databases, you must refresh
+% these. For example, \teTeX\ users run \verb|texhash| or
+% \verb|mktexlsr|.
+%
+% \subsection{Some details for the interested}
+%
+% \paragraph{Attached source.}
+%
+% The PDF documentation on CTAN also includes the
+% \xfile{.dtx} source file. It can be extracted by
+% AcrobatReader 6 or higher. Another option is \textsf{pdftk},
+% e.g. unpack the file into the current directory:
+% \begin{quote}
+% \verb|pdftk classlist.pdf unpack_files output .|
+% \end{quote}
+%
+% \paragraph{Unpacking with \LaTeX.}
+% The \xfile{.dtx} chooses its action depending on the format:
+% \begin{description}
+% \item[\plainTeX:] Run \docstrip\ and extract the files.
+% \item[\LaTeX:] Generate the documentation.
+% \end{description}
+% If you insist on using \LaTeX\ for \docstrip\ (really,
+% \docstrip\ does not need \LaTeX), then inform the autodetect routine
+% about your intension:
+% \begin{quote}
+% \verb|latex \install=y\input{classlist.dtx}|
+% \end{quote}
+% Do not forget to quote the argument according to the demands
+% of your shell.
+%
+% \paragraph{Generating the documentation.}
+% You can use both the \xfile{.dtx} or the \xfile{.drv} to generate
+% the documentation. The process can be configured by the
+% configuration file \xfile{ltxdoc.cfg}. For instance, put this
+% line into this file, if you want to have A4 as paper format:
+% \begin{quote}
+% \verb|\PassOptionsToClass{a4paper}{article}|
+% \end{quote}
+% An example follows how to generate the
+% documentation with pdf\LaTeX:
+% \begin{quote}
+%\begin{verbatim}
+%pdflatex classlist.dtx
+%makeindex -s gind.ist classlist.idx
+%pdflatex classlist.dtx
+%makeindex -s gind.ist classlist.idx
+%pdflatex classlist.dtx
+%\end{verbatim}
+% \end{quote}
+%
+% \begin{History}
+% \begin{Version}{2005/06/19 v1.0}
+% \item
+% First published version
+% (comp.text.tex, CTAN).
+% \end{Version}
+% \begin{Version}{2005/06/19 v1.1}
+% \item
+% After \cs{documentclass} the package looks
+% at \cs{@filelist} instead of aborting with error.
+% \end{Version}
+% \begin{Version}{2006/02/20 v1.2}
+% \item
+% DTX framework.
+% \item
+% Fix for \cs{@@fileswith@pti@ns}.
+% \end{Version}
+% \end{History}
+%
+% \PrintIndex
+%
+% \Finale
+\endinput