From 66a28e0c48dbe5e98f85c13320d4c1aa27deed16 Mon Sep 17 00:00:00 2001
From: Karl Berry <karl@freefriends.org>
Date: Mon, 9 Jan 2012 22:43:47 +0000
Subject: rm stex, cannot get right: bin programs, xml, etc.

git-svn-id: svn://tug.org/texlive/trunk@25063 c570f23f-e606-0410-a88d-b1316a301751
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-% \iffalse meta-comment
-% A LaTeX Class and Package for Semantic Cross-Referencing
-% Copyright (c) 2009 Michael Kohlhase, all rights reserved
-%               this file is released under the
-%               LaTeX Project Public License (LPPL)
-%
-% The development version of this file can be found at
-% $HeadURL: https://svn.kwarc.info/repos/stex/trunk/sty/sref/sref.dtx $
-% \fi
-%   
-% \iffalse
-%<*package>
-\NeedsTeXFormat{LaTeX2e}[1999/12/01]
-\ProvidesPackage{sref}[2010/06/25 v0.9 Semantic Cross-References]
-%</package>
-%<*driver>
-\documentclass{ltxdoc}
-\usepackage{url,array,float}
-\usepackage[show]{ed}
-\usepackage[hyperref=auto,style=alphabetic]{biblatex}
-\bibliography{kwarc}
-\usepackage{stex-logo,sref}
-\usepackage{../ctansvn}
-\usepackage{hyperref}
-\usepackage[eso-foot,today]{svninfo}
-\svnInfo $Id: sref.dtx 1671 2010-11-06 07:05:15Z kohlhase $
-\svnKeyword $HeadURL: https://svn.kwarc.info/repos/stex/trunk/sty/sref/sref.dtx $
-\makeindex
-\floatstyle{boxed}
-\newfloat{exfig}{thp}{lop}
-\floatname{exfig}{Example}
-\def\tracissue#1{\cite{sTeX:online}, \hyperlink{http://trac.kwarc.info/sTeX/ticket/#1}{issue #1}}
-\begin{document}\DocInput{sref.dtx}\end{document}
-%</driver>
-% \fi
-% 
-%\iffalse\CheckSum{265}\fi
-% 
-% \changes{v0.5}{2008/03/28}{split off from omdoc.sty}
-% \changes{v0.6}{2009/12/07}{introducing sequation}
-% \changes{v0.9}{2009/14/07}{using omd for metadata}
-% 
-% \GetFileInfo{sref.sty}
-% 
-% \MakeShortVerb{\|}
-%
-% \def\omdoc{OMDoc}
-% \def\latexml{{\LaTeX}ML}
-% \title{{\texttt{sref.sty}}: Semantic Cross-Referencing in {\LaTeX}\thanks{Version {\fileversion} (last revised
-%        {\filedate})}}
-%    \author{Michael Kohlhase\\
-%            Jacobs University, Bremen\\
-%            \url{http://kwarc.info/kohlhase}}
-% \maketitle
-%
-% \begin{abstract}
-%   The |sref| package is part of the {\sTeX} collection, a version of {\TeX/\LaTeX} that
-%   allows to markup {\TeX/\LaTeX} documents semantically without leaving the document
-%   format, essentially turning {\TeX/\LaTeX} into a document format for mathematical
-%   knowledge management (MKM).
-%
-%   The |sref| package supplies an for semantic cross-referencing over multiple documents. 
-% \end{abstract}
-%
-%\tableofcontents\newpage
-% 
-%\section{Introduction}\label{sec:intro}
-%
-% The automatic computation of cross-references is one of the traditional strong points of
-% {\LaTeX}. However, cross-referencing is limited to labels in the current document
-% only. Cross-referencing between multiple documents in a jointly developed document
-% collection is not easy to achieve in the {\LaTeX} processing model, which reads files
-% sequentially and lacks a path concept. 
-%
-% The |sref| package is mainly aimed at package developers. It supplies the internal
-% macros that can be used to make document structuring elements cross-referencable. The
-% general strategy here is to equip the document structuring macros with an
-% \DescribeMacro{id}|id| key, so that the author can specify meaningful ones, but to let
-% the transformation give default ones if the author did not. The value of the |id| key
-% can also be used for cross-referencing like the |\label|/|\ref| mechanism in
-% {\LaTeX}. We implement an independent referencing mechanism, since the referencing model
-% is geared more towards referencing text fragments than text fragment labels like section
-% numbers. Therefore we let the referenced fragments define the reference text much like
-% the |\autoref| macro from |\hpyerref|.
-%
-% \section{The User Interface}\label{sec:user}
-% 
-% This package is currently mainly meaningful in the context of the {\sTeX} collection,
-% since all cross-referencable macros and environments must be extended to know about their
-% referencing mechanism. We explain the user interface in \sref{sec:user:crossref}. To
-% port the functionality to other {\LaTeX} classes and packages, they have to be upgraded
-% via the API in \sref{sec:user:package-authors}.
-%
-% \subsection{Package Options}\label{sec:user:options}
-% 
-% The |sref| package has the \DescribeMacro{extrefs}|extrefs| package option, which can be
-% set to activate multifile support (see subsection~\sref{sec:user:interdoc}). If the
-% \DescribeMacro{showmeta}|showmeta| is set, then the metadata keys are shown
-% (see~\cite{Kohlhase:metakeys:ctan} for details and customization options).
-% 
-% \subsection{Cross-Referencing}\label{sec:user:crossref}
-%
-% The \DescribeMacro{\sref}|\sref{|\meta{id}|}| macro is the main cross-referencing macro,
-% see Figure~\ref{fig:mysection} for an example. Depending on the whether macro or
-% environment marking up the respective document fragment carries the key/value pair
-% |id=|\meta{id} the cross-reference will expand to ``Section 2.1'' or ``this remark'',
-% both carrying hyper-references. The |\sref| macro takes an optional argument that allows
-% to specify a link text that overrides the auto-generated one.
-% 
-% \begin{exfig}
-% \begin{verbatim}
-% \mysection[id=foo]{#2}
-% ... \sref{foo} ...
-% \end{verbatim}
-% \vspace*{-1.5em}
-% \caption{Semantic Crossreferencing}\label{fig:mysection}
-% \end{exfig}
-% 
-% The
-% \DescribeMacro{\srefs}|\srefl{|\meta{id\textsuperscript{1}}|}{|\meta{id\textsuperscript{2}}|}|
-% is a variant it |\sref|, only that it allows to reference two semantic objects and
-% expands to ``\meta{reference\textsuperscript{1}} and
-% \meta{reference\textsuperscript{2}}''. \DescribeMacro{\srefl}|\srefl{|\meta{id\textsuperscript{1}}|}{|\meta{id\textsuperscript{n}}|}|
-% is similar, but for ranges; it expands to ``\meta{reference\textsuperscript{1}} to
-% \meta{reference\textsuperscript{n}}''. Its use should be restricted to cases, where the
-% types of objects references are homogenous.
-% 
-% Finally, there is a variant \DescribeMacro{\spageref}|\spageref| that only outputs the
-% page number of the referenced object. It can be used in cases where no hyper-referencing
-% is present. It uses the macro \DescribeMacro{\sref@page@label}|\sref@page@label| for
-% styling the page reference. Redefining this will allows to customize this. The default
-% setting is
-% \begin{verbatim}
-% \newcommand{\sref@page@label}[1]{p.~{#1}}
-% \end{verbatim}
-% 
-% \subsection{An API for Package Authors}\label{sec:user:package-authors}
-%
-% To make use of the |sref| package, the package must define the document structuring
-% infrastructure using the |sref| internal macros. The {\sTeX} packages already does this,
-% so we make an example here for a slightly upgraded sectioning command in
-% Figure~\ref{fig:mysection:setup}. The first three lines define the keys for the keyval
-% attribute of the |\mysection| command using the infrastructure supplied by the |omd|
-% package~\ctancite{Kohlhase:metakeys} (remember the |\RequirePackage{metakeys}|).  The first two just
-% initialize the keys to save the key values in internal macros, and the |\metasetkeys|
-% activates the keys when reading the keyval argument. The
-% \DescribeMacro{\srefaddidkey}|\srefaddidkey| macro is a variant of |\addmetakey| macro
-% supplied by the |sref| package that sets up the keys to set the
-% \DescribeMacro{\sref@id}|\sref@id| register for later use by the |sref|
-% infrastructure. Note that the |\srefaddidkey| macro uses the |prefix| key to
-% systematically construct prefixed identifiers. This can be useful in particular for
-% sectioning commands. 
-% 
-% \begin{exfig}
-% \begin{verbatim}
-% \addmetakey{sec}{short}
-% \addmetakey[black]{sec}{color}
-% \srefaddidkey[prefix=sec.]{sec}
-% \newcommand{\mysection}[2][]{\metasetkeys{#1}\sref@target\color{\sec@color}
-% \section[\sec@short]{#2}\sref@label@id{Section \thesection}}
-% \end{verbatim}
-% \vspace*{-1.5em}
-% \caption{A slightly upgraded sectioning command}\label{fig:mysection:setup}
-% \end{exfig}
-% 
-% In this situation, the |\mysection| macro processes the optional argument with
-% |\metasetkeys| and then sets the color of the section. The
-% \DescribeMacro{\sref@target}|\sref@target| sets up the hypertarget for the |hyperref|
-% package to use, then we use the regular |\section| command, and we use the
-% \DescribeMacro{\sref@label@id}|\sref@label@id| macro to define the label that the
-% |\sref| macro will use for cross-referencing.
-% 
-% Note that the use of the straight use of the label ``Section'', which will be written
-% into the auxiliary files is bad practice since it is not configurable. It would be much
-% better to make it configurable via a presentation macro like |\my@section@label| in
-% Figure~\ref{fig:mysection:configurable}. Then translators or even the user could redefine
-% the |\my@section@label| to adapt them to their needs.
-%
-% \begin{exfig}
-% \begin{verbatim}
-% \newcommand{\my@section@label}[1]{Section~{#1}}
-% \newcommand{\mysection}[2][]{\metasetkeys{#1}\sref@target\color{\sec@color}
-% \section[\sec@short]{#2}\sref@label@id{\my@section@label\thesection}}
-% \end{verbatim}
-% \vspace*{-1.5em}
-% \caption{A Sectioning Command with Configurable Label}\label{fig:mysection:configurable}
-% \end{exfig}
-% 
-% \subsection{Inter-Document Cross-Referencing}\label{sec:user:interdoc}
-%
-% |sref.sty| provides inter-document cross-referencing. The use case is simple: we want to
-% have a document collection (e.g. a book with conference proceedings), but also want to
-% be able format the individual documents separately, and still have meaningful
-% cross-references. To show off the possibilities, let us assume that we have a book with
-% two separate papers, which we put into separate directories |idc| and |scr| to minimize
-% interference between the authors Jane Doe and John Bull. To achieve this, we would set
-% up paper driver files |main.tex| like the one in Figure~\ref{fig:paper-driver} in the
-% two directories. These use the \DescribeMacro{\makeextrefs}|\makeextrefs| macro, which
-% causes the |sref| package to generate a {\emph{external references file}}
-% |main.refs|. Note that the |\makeextrefs| macros reads the previous |main.refs| file so
-% that forward-referencing is possible (in the pass after a reference was labeled).
-% 
-% \begin{exfig}
-% \begin{verbatim}
-% \documentclass{article}
-% \usepackage[extrefs]{sref}
-% \makeextrefs{idc}
-% \inputrefs{scr}{../scr/main}
-% \extrefstyle{scr}{\cite[\protect{\theextref}]{Doe09}}
-% \title{Inter-Document Crossreferencing}
-% \author{John Bull\\...}
-% \begin{document}\maketitle\input{paper}\end{document}
-% \end{verbatim}
-% \vspace*{-2em}
-% \caption{A document driver {\texttt{idc/main.tex}} for a paper}\label{fig:paper-driver}
-% \end{exfig}
-% 
-% The external references file can be read by other documents; in
-% Figure~\ref{fig:paper-driver}, we read the references file of Jane Doe's paper via the
-% \DescribeMacro{\inputrefs}|\inputrefs| macro. This allows John Bull to use\footnote{Note
-%   that the external references file is updated every time {\LaTeX} is run, so that
-%   references may be off by one version.} references like
-% \DescribeMacro{\extref}|\extref{scr}{foo}| to reference document fragments in Jane Doe's
-% paper she has labeled with the {\emph{reference prefix}} |\slabel{foo}| (assuming that
-% she has added |\makeextrefs{scr}| in the preamble of her paper). Note that just as the
-% |\sref| macro |\extref| takes an optional first argument that allows to specify the link
-% text. Here, John Bull uses the \DescribeMacro{\extrefstyle}|\extrefstyle| macro to
-% specify how the externa references are to be formatted, in this case he decided to use a
-% {\LaTeX} citation. Generally, first argument of the |\extrefstyle| macro is the
-% reference prefix which should be configured, and the second is the format, where the
-% \DescribeMacro{\theextref}|\theextref| macro expands to the cross-reference. In this
-% case, John chose to use a bib{\TeX} citation (he has an entry |Doe09| in his database)
-% for the reference to the external paper.
-% 
-% As the content of the respective paper is input from a file |paper.tex| in the
-% individual papers, we can re-use these in the book. To do this we set up a book driver
-% file like the one in Figure~\ref{fig:book-driver}. This one does not use the |extrefs|
-% option, so the references are written to the |.aux| file. Furthermore |\extref| is
-% redefined to act like |\sref| disregarding the first required argument. Thus all
-% references work like they should.
-% \begin{exfig}
-% \begin{verbatim}
-% \documentclass{book}
-% \usepackage{sref}
-% \title{Cross-Referencing in {\LaTeX}}
-% \author{Elder Reseacher}
-% \begin{document}
-% \maketitle
-% \chapter{Semantic Crossreferencing (Jane Doe, ...)}
-% \input{scr/paper}\newpage
-% ...
-% \chapter{Inter-Document Crossreferencing (John Bull, ...)}
-% \input{idc/paper}\newpage
-% \end{document}
-% \end{verbatim}
-% \vspace*{-2em}
-% \caption{A document driver for the book assembling the papers}\label{fig:book-driver}
-% \end{exfig}
-% 
-% This example has been carried through (without the separation of chapters in to
-% subdirectories) in the files accompanying the source distribution of the |sref|
-% package. They are used for testing the package.
-% 
-% \subsection{Semantic Versions of Commonly used Referencing Commands}\label{sec:user:common}
-% 
-% The |sref| package defines semantically referencable versions of commonly used {\LaTeX}
-% environments and command sequences.\footnote{This section will be extended by need, so
-%   if you miss some semantic environment, please contact the package author, or (better)
-%   file an issue at~\cite{sTeX:online})}
-% 
-% The \DescribeEnv{sequation}|sequation| environment takes an optional key/value argument
-% that allows to specify an identifier and unifies the behavior of the |equation| (if an
-% |id| key is given) and |displaymath| (else) environments. So the markup
-% \begin{exfig}
-% \begin{verbatim}
-% A semantic equation with id
-% \begin{sequation}[id=foo]
-%   e^{mc}=-1
-% \end{sequation}
-% and another one without id
-% \begin{sequation}
-%   e^{mc}=-1
-% \end{sequation}
-% now, we reference the first equation: {\sref{foo}}
-% \end{verbatim}
-% \vspace*{-1.5em}\hrule
-% yields the result:\hrule
-% A semantic equation with id
-% \begin{sequation}[id=foo]
-%   e^{mc}=-1
-% \end{sequation}
-% and another one without id
-% \begin{sequation}
-%   e^{mc}=-1 
-% \end{sequation}
-% now, we reference the first equation: {\sref{foo}}
-% \caption{Semantic Equation}\label{fig:sequation}
-% \end{exfig}
-% 
-%
-% \section{Limitations}\label{sec:limitations}
-% 
-% In this section we document known limitations. If you want to help alleviate them,
-% please feel free to contact the package author. Some of them are currently discussed in
-% the \sTeX TRAC~\cite{sTeX:online}. 
-% \begin{compactenum}
-% \item none reported yet
-% \end{compactenum}
-% 
-% \StopEventually{\newpage\PrintIndex\newpage\PrintChanges\printbibliography}
-% \newpage
-%
-% \section{Implementation}\label{sec:impl}
-%
-% The |sref| package generates two files: the {\LaTeX} package (all the code between
-% {\textsf{$\langle$*package$\rangle$}} and {\textsf{$\langle$/package$\rangle$}}) and the
-% {\latexml} bindings (between {\textsf{$\langle$*ltxml$\rangle$ and
-%     $\langle$/ltxml$\rangle$}}). We keep the corresponding code fragments together,
-% since the documentation applies to both of them and to prevent them from getting out of
-% sync.
-%
-% We first set up header information for the {\latexml} binding file. 
-%    \begin{macrocode}
-%<*ltxml>
-package LaTeXML::Package::Pool;
-use strict;
-use LaTeXML::Package;
-%</ltxml>
-%    \end{macrocode}
-% 
-% \subsection{Package Options}\label{sec:impl:options}
-%
-% We declare some switches which will modify the behavior according to the package
-% options. Generally, an option |xxx| will just set the appropriate switches to true
-% (otherwise they stay false).\ednote{need an implementation for {\latexml}}
-%
-%    \begin{macrocode}
-%<*package>
-\DeclareOption{showmeta}{\PassOptionsToPackage{\CurrentOption}{metakeys}}
-\newif\ifextrefs\extrefsfalse
-\DeclareOption{extrefs}{\extrefstrue}
-\ProcessOptions
-%</package>
-%<*ltxml>
-DeclareOption('extrefs','');
-%</ltxml>
-%    \end{macrocode}
-%
-% Then we need to set up the packages by requiring the |metakeys| package~\ctancite{Kohlhase:metakeys}
-% to be loaded (in the right version).
-%
-%    \begin{macrocode}
-%<*package>
-\RequirePackage{metakeys}
-%</package>
-%<ltxml>RequirePackage('metakeys');
-%    \end{macrocode}
-% 
-% \subsection{Crossreferencing}\label{sec:impl:crossref}
-% 
-% The following user-level macros just use the |\sref@hlink| macros in various ways for
-% internal referencing.\ednote{they need implementation in LaTeXML, the ones here only are
-% stubs to make the error messages shut up.}
-% 
-% \begin{macro}{\sref}
-%    \begin{macrocode}
-%<*package>
-\newcommand{\sref}[2][]{%
-\@ifundefined{sref@part}{\sref@hlink[#1]{#2}}{\sref@hlink[#1]{\sref@part @#2}}}
-%</package>
-%<*ltxml>
-DefConstructor('\sref[]{}',
-  "Section <omdoc:ref type='cite' xref='#2'/>");
-%</ltxml>
-%    \end{macrocode}
-% \end{macro}
-%
-% \begin{macro}{\srefs}
-%    \begin{macrocode}
-%<*package>
-\newcommand{\srefs}[3][]{%
-\def\@test{#1}\ifx\@test\@empty\sref{#2} and \sref{#3}\else #1\fi}
-%</package>
-%<*ltxml>
-DefConstructor('\srefs[]{}',
-  "Section <omdoc:ref type='cite' xref='#2'/>");
-%</ltxml>
-%    \end{macrocode}
-% \end{macro}
-%
-% \begin{macro}{\srefl}
-%    \begin{macrocode}
-%<*package>
-\newcommand{\srefl}[3][]{%
-\def\@test{#1}\ifx\@test\@empty\sref{#2} to \sref{#3}\else #1\fi}
-%</package>
-%<*ltxml>
-DefConstructor('\srefl[]{}',
-  "Section <omdoc:ref type='cite' xref='#2'/>");
-%</ltxml>
-%    \end{macrocode}
-% \end{macro}
-% \ednote{it is not clear what we want in the implementation of spageref}
-% \begin{macro}{\spageref}
-%    \begin{macrocode}
-%<*package>
-\newcommand{\spageref}[2][]{%
-\@ifundefined{sref@part}{\sref@hlink[#1]{#2}}{\sref@hlink[#1]{\sref@part @#2}}}
-%</package>
-%<*ltxml>
-DefConstructor('\spageref[]{}',
-  "Section <omdoc:ref type='cite' xref='#2'/>");
-%</ltxml>
-%    \end{macrocode}
-% \end{macro}
-%
-% \subsection{An API for Package Authors}\label{sec:impl:package-authors}
-%
-% We find out whether the |hyperref| package is loaded, since we may want to use it for
-% cross-references, for which we set up some internal macros that gracefully degrade if
-% |hyperref| is not loaded. 
-% 
-% \begin{macro}{\sref@*@ifh}
-%    \begin{macrocode}
-%<*package>
-\newif\ifhref\hreffalse
-\AtBeginDocument{\@ifpackageloaded{hyperref}{\hreftrue}{\hreffalse}}
-\def\sref@href@ifh#1#2{\ifhref\href{#1}{#2}\else#2\fi}
-\def\sref@hlink@ifh#1#2{\ifhref\hyperlink{#1}{#2}\else#2\fi}
-\def\sref@target@ifh#1#2{\ifhref\hypertarget{#1}{#2}\else#2\fi}
-%    \end{macrocode}
-% \end{macro}
-% 
-% Then we provide some macros for {\sTeX}-specific crossreferencing 
-%
-% \begin{macro}{\sref@target}
-%   The next macro uses this and makes an target from the current |sref@id| declared by
-%   a |id| key.
-%    \begin{macrocode}
-\def\sref@target%
-{\ifx\sref@id\@empty\else%
-\expandafter\sref@target@ifh%
-{sref@\@ifundefined{sref@part}{}{\sref@part @}\sref@id @target}{}\fi}
-%    \end{macrocode}
-% \end{macro}
-%
-% The next two macros are used for setting labels, it is mainly used for enabling forward
-% references, to do this, it is written into \meta{jobname}|.aux| or \meta{jobname}|.refs|.
-% 
-% \begin{macro}{\@sref@def}
-%   This macro stores the value of its last argument in a custom macro for reference.
-%    \begin{macrocode}
-\def\@sref@def#1#2#3{\expandafter\gdef\csname sref@#1@#2\endcsname{#3}}
-%    \end{macrocode}
-% \end{macro}
-%
-% The next step is to set up a file to which the references are written, this is normally
-% the |.aux| file, but if the |extref| option is set, we have to use an |.ref| file. 
-%    \begin{macrocode}
-\ifextrefs\newwrite\refs@file\else\def\refs@file{\@auxout}\fi
-%    \end{macrocode}
-%
-% \begin{macro}{\sref@def}
-%    This macro writes an |\@sref@def| command to the current aux file and also executes it. 
-%    \begin{macrocode}
-\def\sref@def#1#2#3{%\@sref@def{#1}{#2}{#3}%
-\protected@write\refs@file{}{\string\@sref@def{#1}{#2}{#3}}}
-%    \end{macrocode}
-% \end{macro}
-%
-% \begin{macro}{\srefaddidkey}
-%   |\srefaddidkey[|\meta{keyval}|]{|\meta{group}|}| extends the metadata keys of the
-%   group \meta{group} with an |id| key. In the optional key/value pairs in \meta{keyval}
-%   the |prefix| key can be used to specify a prefix. Note that the |id| key defined by
-%   |\srefaddidkey[|\meta{keyval}|]{|\meta{group}|}| not only defines |\sref@id|, which is
-%   used for referencing by the |sref| package, but also |\|\meta{group}|@id|, which is
-%   used for showing metadata via the |showmeta| option of the |metakeys| package.
-%    \begin{macrocode}
-\addmetakey{srefaddidkey}{prefix}
-\newcommand\srefaddidkey[2][]{\metasetkeys{srefaddidkey}{#1}%
-\@metakeys@ext@clear@keys{#2}{sref@id}{}% id cannot have a default
-\metakeys@ext@clear@keys{#2}{id}{}%
-\metakeys@ext@showkeys{#2}{id}%
-\define@key{#2}{id}{\edef\sref@id{\srefaddidkey@prefix ##1}%
-\expandafter\edef\csname #2@id\endcsname{\srefaddidkey@prefix ##1}}}
-%</package>
-%    \end{macrocode}
-% \end{macro}
-%
-% \subsection{Inter-Document Crossreferencing}\label{sec:impl:interdoc}
-%
-% \begin{macro}{\makeextrefs}
-%    \begin{macrocode}
-%<*package>
-\def\makeextrefs#1{\gdef\sref@part{#1}%
-\makeatletter
-\IfFileExists{\jobname.refs}{\input{\jobname.refs}}{}%
-\immediate\openout\refs@file=\jobname.refs
-\makeatother}
-%</package>
-%<ltxml>DefConstructor('\makeextrefs{}','');
-%    \end{macrocode}
-% \end{macro}
-%
-% \begin{macro}{\sref@label}
-%   The |\sref@label| macro writes a label definition to the auxfile. 
-%    \begin{macrocode}
-%<*package>
-\def\sref@label#1#2{%
-\sref@def{\@ifundefined{sref@part}{}{\sref@part @}#2}{page}{\thepage}%
-\sref@def{\@ifundefined{sref@part}{}{\sref@part @}#2}{label}{#1}}
-%</package>
-%    \end{macrocode}
-% \end{macro}
-%
-% \begin{macro}{\sref@label@id}
-%   The |\sref@label@id| writes a label definition for the current |\sref@id| if it is
-%   defined.
-%    \begin{macrocode}
-%<*package>
-\def\sref@label@id#1{\ifx\sref@id\@empty\else\sref@label{#1}{\sref@id}\fi}
-%</package>
-%    \end{macrocode}
-% \end{macro}
-%
-% Finally we come to the user visible macro |\sref| which is used for
-% referencing.\ednote{The {\latexml} does not take into account the optional argument
-%   yet.}
-%
-% \begin{macro}{\sref@hlink}
-%   The next macro creates an error message if the target is not defined, and otherwise
-%   generates a hyperlinked reference. 
-%    \begin{macrocode}
-%<*package>
-\newcommand{\sref@hlink}[2][]{\def\@test{#1}%
-\@ifundefined{sref@#2@label}%
-{\protect\G@refundefinedtrue\@latex@warning{reference #2 undefined}??}%
-{\sref@hlink@ifh{sref@#2@target}{\ifx\@test\@empty\@nameuse{sref@#2@label}\else #1\fi}}}
-%</package> 
-%    \end{macrocode}
-% \end{macro}
-%
-% \begin{macro}{\sref@page@label}
-%   This macro styles a page reference.
-%    \begin{macrocode}
-%<*package>
-\newcommand{\sref@page@label}[1]{p.~{#1}}
-%</package> 
-%    \end{macrocode}
-% \end{macro}
-%
-% \begin{macro}{\sref@pageref}
-%   The next macro creates an error message if the target is not defined, and otherwise
-%   generates a page reference.
-%    \begin{macrocode}
-%<*package>
-\newcommand{\sref@pageref}[1]{\@ifundefined{sref@#1@page}%
-{\protect\G@refundefinedtrue\@latex@warning{reference #1 undefined}\sref@page@label{??}}%
-{\sref@hlink@ifh{sref@#1@target}{\sref@page@label{\@nameuse{sref@#1@page}}}}}
-%</package> 
-%    \end{macrocode}
-% \end{macro}
-%
-% \begin{macro}{\sref@href}
-%   The next macro creates an error message if the target is not defined, and otherwise
-%   generates a hyperlinked reference.
-%    \begin{macrocode}
-%<*package>
-\newcommand{\sref@href}[3][]{\def\@test{#1}%
-\@ifundefined{sref@#2@label}%
-{\protect\G@refundefinedtrue\@latex@warning{reference #2 undefined}??}%
-{\@ifundefined{sref@#3@URI}%
-{\protect\G@refundefinedtrue\@latex@warning{external refs of type  #3 undefined}??}%
-{\edef\@uri{\@nameuse{sref@#3@URI}.pdf\#sref@#2@target}
-\edef\@label{\ifx\@test\@empty\@nameuse{sref@#2@label}\else #1\fi}
-\sref@href@ifh\@uri\@label}}}
-%</package> 
-%    \end{macrocode}
-% \end{macro}
-%
-% \begin{macro}{\extref}
-%   The next macros use |\sref@hlink| with the respective prefix for external referencing
-%   if external references are used as indicated by the |extrefs| option; otherwise it
-%   disregards the first required macro and uses internal referencing.\ednote{This needs
-%     to be implemented on the LaTeXML side.}
-%    \begin{macrocode}
-%<*package>
-\ifextrefs
-\newcommand{\extref}[3][]{\def\theextref{\sref@href[#1]{#2@#3}{#2}}%
-\csname doextref@#2\endcsname}
-\else
-\newcommand{\extref}[3][]{\sref[#1]{#3}}
-\fi
-%</package>
-%<*ltxml>
-DefConstructor('\extref[]{}{}',
-  "<omdoc:ref type='cite' xref='#2@#3'/>");
-DefConstructor('\theextref','');
-%</ltxml>
-%    \end{macrocode}
-% \end{macro}
-%
-% \begin{macro}{\extrefstyle}
-%   This user macro defines an internal macro that is used for internal styling; for
-%   instance |\extrefstyle{foo}{\theextref in bar}| defines the macro |\doextref@foo|
-%   which evaluates to \meta{the reference} |in bar|. This is used in the |\extref| macro.
-%    \begin{macrocode}
-%<*package>
-\def\extrefstyle#1#2{\expandafter\gdef\csname doextref@#1\endcsname{#2}}
-%</package>
-%<*ltxml>
-DefConstructor('\extrefstyle{}{}',"");
-%</ltxml>
-%    \end{macrocode}
-% \end{macro}
-%
-% \begin{macro}{\inputrefs}
-%   If the external references file exists, it is read (under the protection of
-%   |\makeatother|) otherwise an error message is displayed.
-%    \begin{macrocode}
-%<*package>
-\newcommand{\inputrefs}[2]{%
-\@namedef{sref@#1@URI}{#2}
-\makeatletter%
-\IfFileExists{#2.refs}{\input{#2.refs}}
-             {\PackageError{sref}{Reference file #1.refs does not exist}
-                                 {Maybe you have to run LaTeX on #2.tex first}}
-\makeatother}
-%</package>
-%<*ltxml>
-DefConstructor('\inputrefs{}{}','');
-%</ltxml>
-%    \end{macrocode}
-% \end{macro}
-% 
-% \subsection{Semantic Versions of Commonly used Referencing Commands}\label{sec:impl:common}
-% 
-% \begin{environment}{sequation}
-%    \begin{macrocode}
-%<*package>
-\srefaddidkey{sequation}
-\def\sref@sequation@heading{equation}
-\newenvironment{sequation}[1][]{\metasetkeys{sequation}{#1}% 
-\ifx\sref@id\@empty\begin{displaymath}\else% no id, using equation*
-\begin{equation}\sref@target\sref@label@id{\sref@sequation@heading~(\theequation)}\fi}
-{\ifx\sref@id\@empty\end{displaymath}\else\end{equation}\fi}
-%</package>
-%<*ltxml>
-DefEnvironment('{sequation} OptionalKeyVals',
-	       "<ltx:equation "
-             .     "?&KeyVal(#1,'id')(xml:id='&KeyVal(#1,'id')' "
-             .     "refnum='#refnum')(xml:id='#id')>"
-	     .   "<ltx:Math mode='display'>"
-	     .     "<ltx:XMath>#body</ltx:XMath>"
-	     .   "</ltx:Math>"
-	     . "</ltx:equation>",
-	       mode=>'display_math',
-	       properties=> sub { RefStepCounter('equation') },
-	       locked=>1);
-%</ltxml>
-%    \end{macrocode}
-% \end{environment}
-%
-% \begin{environment}{seqnarray}
-%    \begin{macrocode}
-%<*package>
-\newenvironment{seqnarray}[1][]%
-{\metasetkeys{sequation}{#1}\begin{eqnarray*}\sref@target%
-\sref@label@id{\sref@sequation@heading~(\theequation)}}
-{\end{eqnarray*}}
-%</package>
-%<*ltxml>
-DefMacro('\seqnarray OptionalKeyVals','\begin{eqnarray*}');
-DefMacro('\endseqnarray','\end{eqnarray*}');
-%</ltxml>
-%    \end{macrocode}
-% \end{environment}
-%
-% 
-% \subsection{Finale}\label{sec:common}
-%
-% Finally, we need to terminate the file with a success mark for perl.
-%    \begin{macrocode}
-%<ltxml>1;
-%    \end{macrocode}
-% \Finale
-\endinput
-
-% \iffalse
-%%% Local Variables: 
-%%% mode: doctex
-%%% TeX-master: t
-%%% End: 
-% \fi
-
-% LocalWords:  GPL structuresharing STR omdoc dtx stex CPERL LoadClass url dc
-% LocalWords:  RequirePackage RegisterNamespace namespace xsl DocType ltxml dtd
-% LocalWords:  ltx DefEnvironment beforeDigest AssignValue inPreamble getGullet
-% LocalWords:  afterDigest keyval omgroup DefKeyVal Semiverbatim KeyVal iffalse
-% LocalWords:  OptionalKeyVals DefParameterType IfBeginFollows skipSpaces CMP
-% LocalWords:  ifNext DefMacro needwrapper unlist DefConstructor omtext bgroup
-% LocalWords:  useCMPItemizations RefStepItemCounter egroup beginItemize li di
-% LocalWords:  beforeDigestEnd useTheoryItemizations dt autoclose ul ol dl env
-% LocalWords:  afterOpen LastSeenCMP autoClose proto ToString textsuperscript
-% LocalWords:  addAttribute nlex nlcex omdocColorMacro args tok MergeFont qw
-% LocalWords:  TokenizeInternal toString isMath foreach maybeCloseElement id'd
-% LocalWords:  autoOpen minipage footnotesize scriptsize numberIt whatsit href
-% LocalWords:  getAttribute setAttribute OMDoc RelaxNGSchema noindex xml lec
-% LocalWords:  Subsubsection useDefaultItemizations refundefinedtrue blockquote
-% LocalWords:  DefCMPConstructor inlinequote idx idt ide idp emph  sref extrefs
-% LocalWords:  flushleft flushright DeclareOption hyperref LaTeX tex pdf hlink
-% LocalWords:  sequation omd def texorpdfstring raisebox latexml texttt newpage
-% LocalWords:  fileversion maketitle tableofcontents autoref hpyerref mysection
-% LocalWords:  exfig vspacesrefaddidkey srefaddidkey scr
-% LocalWords:  makeextrefs inputrefs extref foo
-% LocalWords:  extrefstyle theextref theextref displaymath hrule impl ednote
-% LocalWords:  printbibliography newif ifextrefs extrefsfalse extrefstrue srefs
-% LocalWords:  Crossreferencing newcommand ifundefined ifx srefl xref ifh gdef
-% LocalWords:  ifhref hreffalse ifpackageloaded hreftrue expandafter jobname
-% LocalWords:  jobname csname endcsname newwrite auxout makeatletter openout
-% LocalWords:  makeatother auxfile nameuse doextref namedef newenvironment
-% LocalWords:  theequation refnum refnum seqnarray eqnarray endseqnarray doctex
-% LocalWords:  textsuperscript spageref spageref thepage pageref ctancite
-% LocalWords:  cross-referencable showmeta showmeta metakeys metasetkeys textsf
-% LocalWords:  addmetakey referencable langle textsf langle
-- 
cgit v1.2.3

