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authorKarl Berry <karl@freefriends.org>2016-11-01 20:14:25 +0000
committerKarl Berry <karl@freefriends.org>2016-11-01 20:14:25 +0000
commite9e9aadac9a834a156bd460b2b1ceff5b8f131dd (patch)
tree53a3e9d6dead921bfddf46aaa1246ad6b25528da /Master/texmf-dist/source/latex/apxproof
parentb3e35183d4333479c65127064bcb5bae2eb6a458 (diff)
apxproof (1nov16)
git-svn-id: svn://tug.org/texlive/trunk@42416 c570f23f-e606-0410-a88d-b1316a301751
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+% \iffalse meta-comment
+%
+% Copyright (C) 2016 by Pierre Senellart
+%
+% 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'.
+%
+% The Current Maintainer of this work is Pierre Senellart
+% <pierre@senellart.com> and a version control system for this work
+% is available at http://github.com/PierreSenellart/apxproof
+%
+% This work consists of the files apxproof.dtx and apxproof.ins
+% and the derived file apxproof.sty.
+%
+% \fi
+%
+% \iffalse
+%<package>\NeedsTeXFormat{LaTeX2e}[2005/12/01]
+%<package>\ProvidesPackage{apxproof}
+%<package> [2016/10/31 v1.0.0 Automatic proofs in appendix]
+%
+%<*driver>
+\documentclass{ltxdoc}
+\usepackage{apxproof}
+\usepackage{hypdoc}
+\usepackage{textcomp}
+\usepackage[TS1,T1]{fontenc}
+\usepackage{microtype}
+\newtheorem{example}{Example}
+\newtheoremrep{foobar}{Foobar}
+\EnableCrossrefs
+\CodelineIndex
+\RecordChanges
+\begin{document}
+ \DocInput{apxproof.dtx}
+\end{document}
+%</driver>
+% \fi
+%
+% \CheckSum{433}
+%
+% \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 \~}
+%
+% \changes{v1.0.0}{2016/10/31}{Initial released version}
+%
+% \GetFileInfo{apxproof.sty}
+%
+% \makeatletter\c@IndexColumns=2\makeatother
+% \DoNotIndex{
+% \newcommand,\newenvironment,\end,\begin,\edef,\if,\else,\fi,\def,
+% \begingroup,\endgroup,\csname,\let,\noexpand,\protect,\expandafter,
+% \ifthenelse,\equal,\endcsname,\@empty,\@ifnotempty,\immediate,
+% \addtocounter,\newcounter,\newtoggle,\global,\ifdefined,\iftoggle,
+% \ifx,\jobname,\makeatletter,\makeatother,\newwrite,\NewEnviron,
+% \patchcmd,\relax,\renewcommand,\renewenvironment,\RequirePackage,
+% \roman,\space,\undefined
+% }
+%
+% \title{The \textsf{apxproof} package}
+%
+% \author{Pierre Senellart \\ \texttt{pierre@senellart.com} \\
+% \url{http://github.com/PierreSenellart/apxproof}}
+% \date{\filedate \quad \fileversion}
+%
+% \maketitle
+%
+% \begin{abstract}
+% This package makes it easier to write articles where proofs and other material
+% are deferred to the appendix. The appendix material is written in the \LaTeX{}
+% code along with the main text which it naturally complements, and it is
+% automatically deferred. The package can automatically send proofs in the
+% appendix, can repeat in the appendix the theorem environments stated in the
+% main text, can section the appendix automatically based on the sectioning of
+% the main text, and supports a separate bibliography for the appendix material.
+% \end{abstract}
+%
+% \section{Usage}
+% The \textsf{apxproof} package is intended to simplify the writing of articles where some of
+% the content needs to be deferred to an appendix. This is in particular
+% useful for the submission of scientific articles to conferences or
+% journals that limit the number of pages in the main text but allow an
+% extra appendix, where proofs of theorems and other material can be added.
+%
+% \subsection{Basics}
+% To use \textsf{apxproof}, first load it in the header of your document:
+% \begin{quote}|\usepackage{apxproof}|\end{quote}
+% On its own, this does not do anything and should not change the
+% appearance of your document. To add an appendix with some material from
+% your document, use the |toappendix| environment:
+% \begin{quote}
+% |\begin{toappendix}|\DescribeEnv{toappendix}\\
+% \hspace*{1em}\dots\\
+% |\end{toappendix}|
+% \end{quote}
+% The content will appear at the end of your document, in an
+% automatically generated section that refers to the current section in the main
+% text.
+% \begin{example}
+% Throughout this documentation, all examples produce content
+% deferred to the appendix, at the very end of this document.
+% \begin{verbatim}
+% \begin{toappendix}
+% This content is in the appendix.
+% \end{toappendix}
+% \end{verbatim}
+% \begin{toappendix}
+%<*driver>
+This content is in the appendix.
+%</driver>
+% \end{toappendix}
+% \end{example}
+% \subsection{Repeated Theorems and Proofs}
+% In some scientific papers that include proofs, it is common to defer
+% proofs to the appendix. This can easily be achieved using the
+% |appendixproof| environment:
+% \begin{quote}
+% |\begin{appendixproof}|\DescribeEnv{appendixproof}\\
+% \hspace*{1em}\dots\\
+% |\end{appendixproof}|
+% \end{quote}
+% This behaves like the |toappendix| environment, except that
+% a proof environment is generated.
+% \begin{example}We now send a proof to the appendix:
+% \begin{verbatim}
+% \begin{appendixproof}
+% This proof is in the appendix.
+% \end{appendixproof}
+% \end{verbatim}
+% \begin{appendixproof}
+%<*driver>
+This proof is in the appendix.
+%</driver>
+% \end{appendixproof}
+% \end{example}
+%
+% When deferring proofs to the appendix, an annoying problem is that the
+% statement of the theorem remains in the main text; it is hard to read a
+% proof that is far away from the statement it proves. \textsf{apxproof}
+% solves this issue by allowing statements of theorems to be \emph{repeated}:
+% once in the main text, and once in the appendix before the proof of
+% the statement. To use this feature, you can define a new
+% \emph{repeated theorem} environment using the |\newtheoremrep| command:
+% \begin{quote}
+% |\newtheoremrep|\marg{name}\oarg{counter}\marg{title}\DescribeMacro{\newtheoremrep}
+% \end{quote}
+% Usage is exactly the same as that of AMS \LaTeX{}'s |\newtheorem|
+% macro: \meta{name} (e.g., |theorem|) is the name of an environment that is created for this kind of
+% theorem, \meta{counter} (e.g., |definition|) is an optional counter describing
+% from which kind of enviroment should the numbering of these environments be
+% inherited, and \meta{title}
+% (e.g., |Theorem| is
+% the title that will be used to display this theorem environment. What
+% differs from |\newtheorem| is that, when the following is written:
+% \begin{quote}
+% |\newtheoremrep{foobar}{Foobar}|
+% \end{quote}
+% then \emph{two} environments are defined: the \verb|foobar|
+% environment, which behaves as if |\newtheorem| had been used, and the
+% |foobarrep| environment, which results in the statement of this
+% environment being repeated in the appendix.
+%
+% One interesting feature of \textsf{apxproof} is that in most
+% situations, there is no need to use the |appendixproof| environment.
+% Indeed, the |proof| \DescribeEnv{proof} environment is redefined by \textsf{apxproof} to
+% automatically put the proof either in the main text (if it follows a
+% regular theorem) or in the appendix (if it follows a repeated
+% theorem).
+% \begin{example}
+% Assume we have first defined a repeated theorem environment |foobar| as
+% above.
+% We can now use this theorem environment, first for a regular theorem in
+% the main text, then for a theorem repeated in the main text and in the
+% appendix:
+% \begin{quote}
+% \begin{verbatim}
+% \begin{foobar}
+% This foobar is a regular one, in the main text.
+% \end{foobar}
+% \begin{proof}
+% This is the proof of the regular foobar.
+% \end{proof}
+% \end{verbatim}
+% \end{quote}
+% We obtain:
+% \begin{foobar}
+% This foobar is a regular one, in the main text.
+% \end{foobar}
+% \begin{proof}
+% This is the proof of the regular foobar.
+% \end{proof}
+% \begin{quote}
+% \begin{verbatim}
+% \begin{foobarrep}
+% This foobar is repeated in the appendix.
+% \end{foobarrep}
+% \begin{proof}
+% This is the proof of the repeated foobar.
+% \end{proof}
+% \end{verbatim}
+% \end{quote}
+% We now obtain:
+% \begin{foobarrep}
+% This foobar is repeated in the appendix.
+% \end{foobarrep}
+% \begin{proof}
+%<*driver>
+This is the proof of the repeated foobar.
+%</driver>
+% \end{proof}
+% Note that, since |hyperref| is loaded, there is a hyperlink
+% created from the statement of the theorem in the appendix to that in
+% the main text.
+% \end{example}
+%
+% When the proof is deferred to the appendix, it is common practice to
+% add a proof sketch in the main text. \textsf{apxproof} defines a simple
+% |proofsketch| environment for this purpose:
+% \begin{quote}
+% |\begin{proofsketch}|\DescribeEnv{proofsketch}\\
+% \hspace*{1em}\dots\\
+% |\end{proofsketch}|
+% \end{quote}
+% The proof sketch is typeset similarly to a proof, but is always in the
+% main text. Similarly, an |inlineproof| \DescribeEnv{inlineproof}
+% environment is provided so as to
+% be able to have both a proof in the appendix (using the regualr |proof|
+% environment, or alternatively the |appendixproof| environment) and a
+% different proof in the main text (using the |inlineproof| environment).
+% \begin{example} Here are simple examples of proof sketches and inline
+% proofs:
+% \begin{verbatim}
+% \begin{proofsketch}
+% This is a proof sketch.
+% \end{proofsketch}
+% \end{verbatim}
+% \begin{proofsketch}
+% This is a proof sketch.
+% \end{proofsketch}
+% \begin{verbatim}
+% \begin{inlineproof}
+% This is an inline proof.
+% \end{inlineproof}
+% \end{verbatim}
+% \begin{inlineproof}
+% This is an inline proof.
+% \end{inlineproof}
+% \end{example}
+%
+% \subsection{Bibliography}
+% \textsf{apxproof} automatically adds a bibliography in the appendix
+% with only the references cited in the appendix material. This allows for a
+% clean separation of references used solely in the main text, and those
+% used in the appendix.
+% \begin{example}
+% Assume we have citations both in the main text and in the appendix.
+% \begin{verbatim}
+% This is a citation in the main text~\cite{lamport86}.
+% \begin{toappendix}
+% This is a citation in the appendix~\cite{proofsAreHard}.
+% \end{toappendix}
+% \end{verbatim}
+% This is a citation in the main text~\cite{lamport86}.
+% \begin{toappendix}
+%<*driver>
+This is a citation in the appendix~\cite{proofsAreHard}.
+%</driver>
+% \end{toappendix}
+% \end{example}
+% The bibliography in the appendix can use
+% a different style and heading than the bibliography in the main text (and, by
+% default, it does). See
+% Section~\ref{sec:customization} for how to configure the appearance of
+% that bibliography.
+% \subsection{Mode}
+% An optional \meta{mode} can be specified when loading the package:
+% \begin{quote}|\usepackage[appendix=|\meta{mode}|]{apxproof}|\end{quote}
+% \meta{mode} can take one of the following three values:
+% \begin{description}
+% \item[|append|] This is the default.
+% Appendix material gathered by \textsf{apxproof} is appended to
+% the main text.
+% \item[|inline|] In this mode, \textsf{apxproof} simply inline the
+% content along with the main text.
+% \item[|strip|] This mode functions similarly to |append| except that
+% the appendix is not appended at the end of the document. All appendix
+% material is therefore removed.
+% \end{description}
+%
+% \subsection{Customization}
+% \label{sec:customization}
+% \textsf{apxproof} provides a few macros that can be redefined (using
+% |\renewcommand|) to customize the appearance of the appendix:
+% \begin{description}
+% \item[\textbackslash|appendixsectionformat|\marg{number}\marg{title}]\DescribeMacro{\appendixsectionformat} is a macro
+% that indicates how to format the section titles in the Appendix, given
+% the number and title of the section in the main text. By
+% default, they appear as ``Proofs for Section~\meta{number}
+% (\meta{title})''.
+% \item[\textbackslash|appendixrefname|]\DescribeMacro{\appendixrefname} contains the heading that is displayed before
+% the bibliography. By default, this is ``References for the
+% Appendix''.
+% \item[\textbackslash|appendixbibliographystyle|]\DescribeMacro{\appendixbibliographystyle} contains the |.bst| bibliography
+% style that is used in the bibliography in appendix. By default, this is
+% |alpha|.
+% \item[\textbackslash|appendixbibliographyprelim|]\DescribeMacro{\appendixbibliographyprelim} contains arbitrary code that is executed
+% just before the production of the bibliography in appendix, which can
+% be used to configure the way it is displayed.
+% \end{description}
+%
+% \subsection{Advanced Commands}
+% We now describe a few advanced macros and environments, whose usage is limited to
+% special cases:
+% \begin{description}
+% \item[|nestedproof|]\DescribeEnv{nestedproof} is an environment that
+% can be used within a |proof| environment deferred in the appendix; this
+% is required because, for technical reasons, no |proof| environment can
+% be nested within a deferred |proof| environment.
+% \item[\textbackslash|noproofinappendix|]\DescribeMacro{\noproofinappendix}
+% can be used inside repeated theorems that are not followed by a
+% |proof| or |appendixproof| theorem; the point is to ensure that a further
+% |proof| environment cannot be mistakenly understood as a proof of the repeated
+% theorem. It should not be needed in most situations as
+% \textsf{apxproof} tries figuring out when a proof follows a repeated
+% theorem automatically, but may occasionally be needed in complex
+% scenarios.
+% \item[\textbackslash|nosectionappendix|]\DescribeMacro{\nosectionappendix}
+% is to be used inside a section that \emph{does} contain appendix material, but
+% for which a section in the appendix should not be created. This should
+% be rarely needed. When this command is present, appendix material is
+% appended to the end of the previously created section.
+% \end{description}
+% \section{Supported Document Classes}
+% Because \textsf{apxproof} modifies sectioning commands, bibliographies,
+% and proofs, it may not work straight away with arbitrary document classes.
+% It has currently been tested with and is supported for the following
+% document classes:
+% \begin{itemize}
+% \item \LaTeX{} standard document classes (e.g., |article.cls|)
+% \item \href{https://www.ctan.org/pkg/koma-script}{KOMA-Script}
+% (e.g., |scrartcl.cls|)
+% \item \href{https://www.acm.org/publications/proceedings-template}{ACM
+% SIG Proceedings} (e.g., |sig-alternate.cls|)
+% \item \href{https://www.springer.com/computer/lncs/lncs+authors}{
+% Springer's Lecture Notes in Computer Science} (e.g.,
+% |llncs.cls|)
+% \item
+% \href{https://www.dagstuhl.de/en/publications/lipics}{Schlo\ss{}
+% Dagstuhl's Leibniz International Proceedings in Informatics} (e.g.,
+% |lipics.cls|)
+% \end{itemize}
+% Other classes may work out of the box. Adding support for specific
+% classes is possible and can be requested from the
+% author of this package.
+% \section{Known Issues and Limitations}
+% We report here some issues we are currently aware of:
+% \begin{itemize}
+% \item When using \textsf{hyperref}, the appendix in the bibliography is
+% not hyperlinked. This is to avoid possible issues with multiply defined
+% bibliography entries.
+% \item |appendixproof|, |proof|, |toappendix| environments cannot be nested. This is a limitation of
+% the \textsf{fancyvrb} package that \textsf{apxproof} relies on. Note
+% the existence of the |nestedproof| environment for nested proofs.
+% \item \textsf{apxproof} is incompatible with a separate use of the
+% \textsf{fancyvrb} package. This is because \textsf{apxproof} redefines
+% some internal mechanisms of \textsf{fancyvrb}.
+% \end{itemize}
+%
+% Issues not listed here should be reported to the author.
+%
+% \section{License}
+% Copyright \textcopyright{} 2016 by Pierre Senellart.
+%
+% 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
+% \url{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.
+%
+% \section{Contact}
+% \begin{itemize}
+% \item \url{https://github.com/PierreSenellart/apxproof}
+% \item
+% Pierre Senellart
+% \href{mailto:pierre@senellart.com}{<pierre@senellart.com>}
+% \end{itemize}
+% Bug reports and feature requests should
+% preferably be submitted through the \emph{Issues} feature of GitHub.
+%
+% \section{Acknowledgments}
+% Thanks to Antoine Amarilli for feedback and proofreading.
+%
+% \StopEventually{
+% \PrintChanges
+% \PrintIndex
+% }
+%
+% \section{Implementation}
+% We now describe the entire code of the package, in a literate programming
+% fashion. Throughout the package, we use the |axp@| prefix to identify
+% local macros and environment names, which are not meant to be used by the final
+% user.
+% \subsection{Dependencies}
+% We first load a few package dependencies:
+% \begin{itemize}
+% \item \textsf{bibunits} to add a second bibliography for the appendix
+% material.
+% \begin{macrocode}
+\RequirePackage{bibunits}
+% \end{macrocode}
+% \item \textsf{environ} to easily define the repeated theorem
+% environments.
+% \begin{macrocode}
+\RequirePackage{environ}
+% \end{macrocode}
+% \item \textsf{etoolbox} to define simple toggles.
+% \begin{macrocode}
+\RequirePackage{etoolbox}
+% \end{macrocode}
+% \item \textsf{fancyvrb} for the bulk of the work of exporting appendix
+% material in an auxiliary file.
+% \begin{macrocode}
+\RequirePackage{fancyvrb}
+% \end{macrocode}
+% \item \textsf{ifthen} for easier comparison of character strings.
+% \begin{macrocode}
+\RequirePackage{ifthen}
+% \end{macrocode}
+% \item \textsf{kvoptions} to manage options passed to the package.
+% \begin{macrocode}
+\RequirePackage{kvoptions}
+% \end{macrocode}
+% \item \textsf{amsthm} for its |\newteorem| macro.
+% Some document classes (e.g., \textsf{lipics})
+% preload \textsf{amsthm}: this is fine, |\RequirePackage{amsthm}|
+% will simply have no effect. On the other hand, some other document
+% classes (e.g., \textsf{llncs} or \textsf{sig-alternate}) define a
+% |proof| environment that conflicts with \textsf{amsthm}, so we have to
+% undefine this environment before loading \textsf{amsthm}.
+% \begin{macrocode}
+\@ifpackageloaded{amsthm}{
+ }{
+ \let\proof\undefined
+ \let\endproof\undefined
+ }
+\RequirePackage{amsthm}
+% \end{macrocode}
+% \end{itemize}
+% \subsection{Option Processing}
+% Many names throughout the package use an arobase (|@|) to avoid name
+% conflict with user-defined names. To simplify the compilation of the
+% documentation, we simply make it a regular character in all the rest.
+% \begin{macrocode}
+\makeatletter
+% \end{macrocode}
+% \begin{macro}{\axp@appendix}
+% We setup the processing of options using \textsf{keyval} facilities;
+% the only declared option is named |appendix|, with a default value of
+% |append|:
+% \begin{macrocode}
+\SetupKeyvalOptions{
+ family=axp,
+ prefix=axp@
+}
+\DeclareStringOption[append]{appendix}
+\ProcessLocalKeyvalOptions*
+% \end{macrocode}
+% \end{macro}
+% We check that the value of the |appendix| option is valid, and add a
+% message to the compilation log.
+% \begin{macrocode}
+\ifthenelse{\equal{\axp@appendix}{append}}{
+ \message{apxproof: Appendix material appended to the document}
+}{\ifthenelse{\equal{\axp@appendix}{strip}}{
+ \message{apxproof: Appendix material stripped}
+}{\ifthenelse{\equal{\axp@appendix}{inline}}{
+ \message{apxproof: Appendix material inlined within the document}
+}{
+ \errmessage{Error: unsupported option appendix=\axp@appendix for
+ package apxproof}
+}}}
+% \end{macrocode}
+% \subsection{Macros Common to All Compilation Modes}
+% \begin{macro}{\newtheoremrep}
+% We define the high-level |\newtheoremrep| to have the same syntax as
+% \textsf{amsthm}'s |\newtheorem|. For this purpose, we need a little
+% trick to deal with the second optional argument, which is what
+% |\@oparg| is used for. |\axp@newtheoremrep| is defined differently
+% depending on the compilation mode
+% \begin{macrocode}
+\newcommand\newtheoremrep[1]{%
+ \@oparg{\axp@newtheoremrep{#1}}[]%
+}
+% \end{macrocode}
+% \end{macro}
+% \begin{environment}{proofsketch}
+% Simple |proofsketch| environment.
+% \begin{macrocode}
+\newenvironment{proofsketch}
+ {\vskip3pt\noindent\textit{Proof sketch.} \upshape}
+ {\hfill\qed\vskip3pt}
+% \end{macrocode}
+% \end{environment}
+% \begin{macro}{\thmhead}
+% We redefine AMS-\LaTeX{}'s |\thmhead| to use a format where the
+% repeated version of a theorem, using a theorem note, can look exactly
+% like the original version of the theorem and its theorem counter.
+% \begin{macrocode}
+\def\thmhead#1#2#3{%
+ \thmname{#1}\thmnumber{\@ifnotempty{#1}{ }\@upn{#2}}%
+ \thmnote{ #3}}
+% \end{macrocode}
+% \end{macro}
+% \begin{macro}{\appendixrefname}
+% \begin{macro}{\appendixbibliographystyle}
+% \begin{macro}{\appendixbibliographyprelim}
+% \begin{macro}{\appendixsectionformat}
+% We provide sensible defaults for these three user-customizable macros.
+% Even though they are only useful in append mode, we define them for
+% all modes so that a |\renewcommand| works in all cases.
+% \begin{macrocode}
+\newcommand{\appendixrefname}{References for the Appendix}
+\newcommand{\appendixbibliographystyle}{alpha}
+\newcommand{\appendixbibliographyprelim}{}
+\newcommand{\appendixsectionformat}[2]{Proofs for Section~#1 (#2)}
+% \end{macrocode}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+% Finally, some class-specific behavior ensures that the theorems created by
+% |\newtheoremrep| appear with the correct style.
+% For now, only the styling for ACM document classes (e.g.,
+% \textsf{sig-alternate}) needs to be adapted.
+% \begin{macrocode}
+\ifdefined\@acmtitlebox
+ \newtheoremstyle{mystyle}
+ {3pt}
+ {3pt}
+ {\itshape}
+ {}
+ {\scshape}
+ {.}
+ {.5em}
+ {}
+ \theoremstyle{mystyle}
+\fi
+% \end{macrocode}
+% \subsection{Inline Compilation Mode}
+% \begin{macrocode}
+\ifthenelse{\equal{\axp@appendix}{inline}}{
+% \end{macrocode}
+% \begin{macro}{\axp@newtheoremrep}
+% In inline mode, |\axp@newtheoremrep| undefines the existing
+% theorem environment if it has already been defined (e.g., by the
+% document class), invokes |\newtheorem| and creates a repeated theorem
+% environment that behaves exactly as the regular theorem environment.
+% \begin{macrocode}
+ \def\axp@newtheoremrep#1[#2]#3{%
+ \expandafter\let\csname #1\endcsname\undefined
+ \expandafter\let\csname c@#1\endcsname\undefined
+ \newtheorem{#1}[#2]{#3}%
+ \NewEnviron{#1rep}[1][]{%
+ \begin{#1}[##1]\BODY\end{#1}%
+ }
+ }
+% \end{macrocode}
+% \end{macro}
+% \begin{environment}{inlineproof}
+% \begin{environment}{nestedproof}
+% \begin{environment}{appendixproof}
+% In inline mode, these environments behave like the regular |proof|
+% environment.
+% \begin{macrocode}
+ \let\inlineproof\proof
+ \let\endinlineproof\endproof
+ \let\nestedproof\proof
+ \let\endnestedproof\endproof
+ \let\appendixproof\proof
+ \let\endappendixproof\endproof
+% \end{macrocode}
+% \end{environment}
+% \end{environment}
+% \end{environment}
+% \begin{environment}{toappendix}
+% \begin{macro}{\noproofinappendix}
+% \begin{macro}{\nosectionappendix}
+% In inline mode, this environment and these macros are no-ops.
+% \begin{macrocode}
+ \newenvironment{toappendix}{}{}
+ \let\noproofinappendix\relax
+ \let\nosectionappendix\relax
+% \end{macrocode}
+% \end{macro}
+% \end{macro}
+% \end{environment}
+% \begin{macrocode}
+}
+% \end{macrocode}
+% \subsection{Append or Strip Compilation Modes}
+% \begin{macrocode}
+{
+% \end{macrocode}
+% We now deal with the case where \textsf{apxproof} really does something
+% useful: either append the appendix material to the document, or strip
+% it entirely.
+% \bigskip
+% \subsubsection{Auxiliary File for the Appendix}
+% \begin{macro}{\axp@proofsfile}
+% We open a new auxiliary file, with extension |.axp|, where the appendix
+% material will be dumped.
+% \begin{macrocode}
+ \newwrite\axp@proofsfile
+ \immediate\openout\axp@proofsfile=\jobname.axp
+% \end{macrocode}
+% \end{macro}
+% \begin{environment}{proof}
+% \begin{macro}{\section}
+% At the beginning of this file, we make |@| a regular character (since
+% it will be used in several places for internal names) and reestablish the original definition of
+% the |proof| environment and the |\section| macro.
+% \begin{macrocode}
+ \immediate\write\axp@proofsfile{%
+ \noexpand\makeatletter
+ \noexpand\let\noexpand\proof\noexpand\axp@oldproof
+ \noexpand\let\noexpand\endproof\noexpand\endaxp@oldproof
+ \noexpand\let\noexpand\section\noexpand\axp@oldsection
+ }
+% \end{macrocode}
+% \end{macro}
+% \end{environment}
+% \begin{macro}{\FVB@VerbatimOut}
+% \begin{macro}{\FVE@VerbatimOut}
+% We modify the internal behavior of the \textsf{fancyvrb} package to
+% write to the |\axp@proofsfile|, without closing it and re-opening it
+% on every write.
+% \begin{macrocode}
+ \def\FVB@VerbatimOut{%
+ \@bsphack
+ \begingroup
+ \FV@UseKeyValues
+ \FV@DefineWhiteSpace
+ \def\FV@Space{\space}%
+ \FV@DefineTabOut
+ \def\FV@ProcessLine{\immediate\write\axp@proofsfile}%
+ \let\FV@FontScanPrep\relax
+ \let\@noligs\relax
+ \FV@Scan}
+ \def\FVE@VerbatimOut{\endgroup\@esphack}
+% \end{macrocode}
+% \end{macro}
+% \end{macro}
+% \begin{environment}{toappendix}
+% The entire content of this environment is put in appendix,
+% starting a new appendix section beforehand if needed.
+% \begin{macrocode}
+ \newenvironment{toappendix}
+ {\axp@writesection\VerbatimOut}
+ {\endVerbatimOut}
+% \end{macrocode}
+% \end{environment}
+% \subsubsection{Definition of New Theorems}
+% \begin{macro}{axp@seenreptheorem}
+% Used to indicate whether a repeated theorem was just typeset, without
+% its proof.
+% \begin{macrocode}
+ \newtoggle{axp@seenreptheorem}
+% \end{macrocode}
+% \end{macro}
+% \begin{macro}{axp@rpcounter}
+% Sequentially incremented for every repeated theorem, used to create labels.
+% \begin{macrocode}
+ \newcounter{axp@rpcounter}
+% \end{macrocode}
+% \end{macro}
+% \begin{macro}{axp@newtheoremrep}
+% When called with first argument |foobar|, we first undefine the existing
+% |foobar| environment (and its counter) if it has already been defined (e.g., by the
+% document class), then invoke |\newtheorem| for the regular version
+% of the theorem |foobar| (patching the |\begin{foobar}| so as not to
+% expect a proof in the appendix) and |\newtheorem*| for an internal version |axp@foobarrp| that
+% will be used in the appendix to restate the existing theorem.
+% \begin{macrocode}
+ \def\axp@newtheoremrep#1[#2]#3{%
+ \expandafter\let\csname #1\endcsname\undefined
+ \expandafter\let\csname c@#1\endcsname\undefined
+ \newtheorem{#1}[#2]{#3}%
+ \expandafter\pretocmd\csname #1\endcsname{\noproofinappendix}{}{}%
+ \newtheorem*{axp@#1rp}{#3}%
+% \end{macrocode}
+% We then define a |foobarrep| environment that increments the
+% |axp@rpcounter| and typeset the regular |foobar| theorem with a label
+% derived from the counter.
+% \begin{macrocode}
+ \NewEnviron{#1rep}[1][]{%
+ \addtocounter{axp@rpcounter}{1}%
+ \begin{#1}[##1]\label{axp@r\roman{axp@rpcounter}}\BODY\end{#1}%
+% \end{macrocode}
+% We set the |axp@seenreptheorem| toggle to indicate that we are looking
+% for the proof of the theorem, then store in a macro the content of the
+% theorem's body.
+% \begin{macrocode}
+ \global\toggletrue{axp@seenreptheorem}%
+ \global\expandafter\let\csname rplet\roman{axp@rpcounter}%
+ \endcsname
+ \BODY
+% \end{macrocode}
+% Possibly after starting a new appendix section if needed, we typeset a
+% repeated version of the theorem using the |axp@foobarrp| environment
+% and a reference to the previously defined label.
+% We ignore any use of |\label| in this environment to avoid multiply
+% defined labels.
+% \begin{macrocode}
+ \axp@writesection%
+ \immediate\write\axp@proofsfile{%
+ \noexpand\begin{axp@#1rp}
+ [\noexpand\ref{axp@r\roman{axp@rpcounter}}%
+ \@ifnotempty{##1}{\noexpand##1}]%
+ \noexpand\let\noexpand\label\noexpand\@gobble%
+ \expandafter\noexpand\csname rplet\roman{axp@rpcounter}%
+ \endcsname
+ \noexpand\end{axp@#1rp}
+ }
+ }
+ }
+% \end{macrocode}
+% \end{macro}
+% \subsubsection{Proof Environments}
+% \begin{environment}{axp@oldproof}
+% We save the definition of the existing |proof| environment.
+% \begin{macrocode}
+ \let\axp@oldproof\proof
+ \let\endaxp@oldproof\endproof
+% \end{macrocode}
+% \end{environment}
+% \begin{macro}{\noproofinappendix}
+% Utility macro that toggles |axp@seenreptheorem| to false.
+% \begin{macrocode}
+ \newcommand\noproofinappendix{%
+ \global\togglefalse{axp@seenreptheorem}%
+ }
+% \end{macrocode}
+% \end{macro}
+% \begin{environment}{appendixproof}
+% We dump the content of this in appendix, within an original |proof|
+% environment, possibly after creating a new appendix section.
+% \begin{macrocode}
+ \newenvironment{appendixproof}
+ {%
+ \axp@writesection
+ \immediate\write\axp@proofsfile{%
+ \noexpand\begin{axp@oldproof}%
+ }%
+ \VerbatimOut
+ }
+ {%
+ \endVerbatimOut
+ \immediate\write\axp@proofsfile{%
+ \noexpand\end{axp@oldproof}%
+ }%
+ \noproofinappendix
+ }
+% \end{macrocode}
+% \end{environment}
+% \begin{environment}{proof}
+% This environment either puts the proof in appendix, if we are after a repeated
+% theorem without its proof, or inlines it otherwise.
+% \begin{macrocode}
+ \renewenvironment{proof}
+ {%
+ \iftoggle{axp@seenreptheorem}{%
+ \appendixproof
+ }{%
+ \axp@oldproof
+ }%
+ }
+ {%
+ \iftoggle{axp@seenreptheorem}{%
+ \endappendixproof
+ }{%
+ \endaxp@oldproof
+ }%
+ }
+% \end{macrocode}
+% \end{environment}
+% \begin{environment}{inlineproof}
+% \begin{environment}{nestedproof}
+% These two environments are synonyms for the original |proof|
+% environment.
+% \begin{macrocode}
+ \let\inlineproof\axp@oldproof
+ \let\endinlineproof\endaxp@oldproof
+ \let\nestedproof\axp@oldproof
+ \let\endnestedproof\endaxp@oldproof
+% \end{macrocode}
+% \end{environment}
+% \end{environment}
+% \subsubsection{Section Management}
+% \begin{macro}{axp@seccounter}
+% Sequentially incremented for every section, used to create labels.
+% \begin{macrocode}
+ \newcounter{axp@seccounter}
+% \end{macrocode}
+% \end{macro}
+% \begin{macro}{\axp@sectitle}
+% Saves the title of the last encountered section.
+% \begin{macrocode}
+ \def\axp@sectitle{}
+% \end{macrocode}
+% \end{macro}
+% \begin{macro}{\axp@section}
+% \begin{macro}{\axp@@ssection}
+% \begin{macro}{\axp@@section}
+% This command behaves similarly to |\axp@oldsection|, except that it first
+% tests whether a |\section| follows, and if so, does not produce
+% anything. This is useful to avoid producing empty sections in the
+% appendix. As usual, we have to process starred and unstarred version
+% separately.
+% \begin{macrocode}
+ \def\axp@section{\@ifstar\axp@@ssection\axp@@section}
+ \def\axp@@ssection#1{%
+ \@ifnextchar\section{}{\axp@oldsection*{#1}}%
+ }
+ \def\axp@@section#1{%
+ \@ifnextchar\section{}{\axp@oldsection{#1}}%
+ }
+% \end{macrocode}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+% \begin{macro}{\axp@oldsection}
+% \begin{macro}{\section}
+% \begin{macro}{\@section}
+% \begin{macro}{\@@section}
+% We redefine the |\section| command to create a label based on
+% |axp@seccounter| and to store its title in |\axp@sectitle|. Two definitions are necessary to cover the
+% starred and unstarred use of |\section|, though most likely the former
+% is not going to be used (since no section number will appear to refer
+% to that section in the appendix).
+% \begin{macrocode}
+ \let\axp@oldsection\section
+ \def\section{\@ifstar\@section\@@section}
+ \def\@section#1{%
+ \global\edef\axp@sectitle{#1}%
+ \axp@oldsection*{#1}%
+ \addtocounter{axp@seccounter}{1}%
+ \label{axp@s\roman{axp@seccounter}}%
+ }
+ \def\@@section#1{%
+ \global\edef\axp@sectitle{#1}%
+ \axp@oldsection{#1}%
+ \addtocounter{axp@seccounter}{1}%
+ \label{axp@s\roman{axp@seccounter}}%
+ }
+% \end{macrocode}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+% \begin{macro}{\nosectionappendix}
+% We remove the current section title, to indicate no section should be
+% created in the appendix.
+% \begin{macrocode}
+ \newcommand{\nosectionappendix}{
+ \global\def\axp@sectitle{}%
+ }
+% \end{macrocode}
+% \end{macro}
+% \begin{macro}{\axp@writesection}
+% If |\axp@sectitle| is not empty, we create
+% a new section in the appendix, referring to the main text section.
+% \begin{macrocode}
+ \newcommand\axp@writesection{%
+ \ifx\axp@sectitle\@empty
+ \else
+ \immediate\write\axp@proofsfile{%
+ \noexpand\def\noexpand\axp@tmp{%
+ \noexpand\ref{axp@s\roman{axp@seccounter}}
+ }
+ \noexpand\axp@section{%
+ \noexpand\appendixsectionformat{\protect\noexpand\axp@tmp}%
+ {\axp@sectitle}%
+ }%
+ }%
+ \nosectionappendix
+ \fi
+ }
+% \end{macrocode}
+% \end{macro}
+% \subsubsection{Append Compilation Mode}
+% \begin{macrocode}
+ \ifthenelse{\equal{\axp@appendix}{append}}{
+% \end{macrocode}
+% \begin{macro}{\axp@oldbibliography}
+% \begin{macro}{\bibliography}
+% Thanks to \textsf{bibunits}'s |\defaultbibliography| macro, we set the appendix
+% bibliography source to be the same as that of the main text.
+% \begin{macrocode}
+ \let\axp@oldbibliography\bibliography
+ \renewcommand\bibliography[1]{%
+ \defaultbibliography{#1}%
+ \axp@oldbibliography{#1}%
+ }
+% \end{macrocode}
+% \end{macro}
+% \end{macro}
+% After the end of the main text, we add the appendix (on a new page, set
+% in single-column mode) within a |bibunit| environment so as to typeset
+% a separate bibliography for the appendix.
+% \begin{macrocode}
+ \AtEndDocument{
+ \clearpage\onecolumn\appendix
+ \begin{bibunit}[\appendixbibliographystyle]
+ \immediate\closeout\axp@proofsfile
+ \input{\jobname.axp}
+ \renewcommand{\refname}{\appendixrefname}
+ \appendixbibliographyprelim
+ \putbib
+ \end{bibunit}
+ }
+% \end{macrocode}
+% \begin{macrocode}
+ }{}
+% \end{macrocode}
+% \subsubsection{Class-Specific Behavior}
+% We conclude with some class-specific behavior.
+% \begin{macro}{\@getcl@ss}
+% \begin{macro}{\@getclass}
+% \begin{macro}{\@currentclass}
+% We first use a little trick to store the document class in
+% macro |\@currentclass|, from
+% \url{http://tex.stackexchange.com/a/43541}.
+% \begin{macrocode}
+ \def\@getcl@ss#1.cls#2\relax{\def\@currentclass{#1}}
+ \def\@getclass{\expandafter\@getcl@ss\@filelist\relax}
+ \@getclass
+% \end{macrocode}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+% \paragraph{ACM Document Classes}
+% \begin{macrocode}
+ \ifdefined\@acmtitlebox
+% \end{macrocode}
+% \begin{macro}{\thebibliography}
+% \begin{macro}{\refname}
+% \begin{macro}{\appendixrefname}
+% The section title of the bibliography is in uppercase in these document
+% classes. In addition, the |\thebibliography| macro hard-codes twice
+% the section title, so we un-hardcode it so that it can be modified
+% in the appendix.
+% \begin{macrocode}
+ \patchcmd{\thebibliography}{References}{\protect\refname}{}{}
+ \patchcmd{\thebibliography}{References}{\protect\refname}{}{}
+ \newcommand{\refname}{REFERENCES}
+ \renewcommand{\appendixrefname}{REFERENCES FOR THE APPENDIX}
+% \end{macrocode}
+% \end{macro}
+% \end{macro}
+% \end{macro}
+% \begin{macro}{\section}
+% \begin{macro}{\@@section}
+% These document classes redefine |\section| in a weird way, adding
+% the possibility of an optional argument. We redefine them in a sane
+% way.
+% \begin{macrocode}
+ \def\section{\@ifstar\@section{\@dblarg{\@@section}}}
+ \def\@@section[#1]#2{%
+ \global\edef\axp@sectitle{#2}%
+ \axp@oldsection{#2}%
+ \addtocounter{axp@seccounter}{1}%
+ \label{axp@s\roman{axp@seccounter}}%
+ }
+% \end{macrocode}
+% \end{macro}
+% \end{macro}
+% \begin{macrocode}
+ \fi
+% \end{macrocode}
+% \paragraph{\textsf{lipcs}}
+% \begin{macrocode}
+ \ifthenelse{\equal{\@currentclass}{lipics}}{
+% \end{macrocode}
+% \begin{macro}{\appendixbibliographyprelim}
+% The default bibliography in the \textsf{lipics} document class
+% formatting is not compatible with the
+% \textsf{alpha} bibliography style. We fix this here.
+% \begin{macrocode}
+ \renewcommand{\appendixbibliographyprelim}{%
+ \global\let\@oldbiblabel\@biblabel
+ \def\@biblabel{\hspace*{-2em}\small\@oldbiblabel}%
+ }
+% \end{macrocode}
+% \end{macro}
+% \begin{macrocode}
+ }
+% \end{macrocode}
+% \begin{macrocode}
+}
+% \end{macrocode}
+% \Finale
+% \bibliographystyle{plain}
+% \bibliography{apxproof}
diff --git a/Master/texmf-dist/source/latex/apxproof/apxproof.ins b/Master/texmf-dist/source/latex/apxproof/apxproof.ins
new file mode 100644
index 00000000000..f2a8f1d8507
--- /dev/null
+++ b/Master/texmf-dist/source/latex/apxproof/apxproof.ins
@@ -0,0 +1,67 @@
+%%
+%% Copyright (C) 2016 by Pierre Senellart
+%%
+%% 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'.
+%%
+%% The Current Maintainer of this work is Pierre Senellart
+%% <pierre@senellart.com> and a version control system for this work
+%% is available at http://github.com/PierreSenellart/apxproof
+%%
+%% This work consists of the files apxproof.dtx and apxproof.ins
+%% and the derived file apxproof.sty.
+%%
+
+\input docstrip.tex
+\keepsilent
+
+\usedir{tex/latex/apxproof}
+
+\preamble
+
+Copyright (C) 2016 by Pierre Senellart
+
+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'.
+
+The Current Maintainer of this work is Pierre Senellart
+<pierre@senellart.com> and a version control system for this work
+is available at http://github.com/PierreSenellart/apxproof
+
+This work consists of the files apxproof.dtx and apxproof.ins
+and the derived file apxproof.sty.
+
+\endpreamble
+
+\generate{\file{apxproof.sty}{\from{apxproof.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{* apxproof.sty *}
+\Msg{* *}
+\Msg{* To produce the documentation run the file apxproof.dtx *}
+\Msg{* through LaTeX. *}
+\Msg{* *}
+\Msg{* Happy TeXing! *}
+\Msg{* *}
+\Msg{*************************************************************}
+
+\endbatchfile