indextools (24jan15)

git-svn-id: svn://tug.org/texlive/trunk@36138 c570f23f-e606-0410-a88d-b1316a301751

6 files changed, 2121 insertions, 0 deletions

diff --git a/Master/texmf-dist/doc/latex/indextools/README b/Master/texmf-dist/doc/latex/indextools/README
new file mode 100644
index 00000000000..19007a2f749
--- /dev/null
+++ b/Master/texmf-dist/doc/latex/indextools/README
@@ -0,0 +1,10 @@
+#License and Copyright
+
+2010-2013 Enrico Gregorio imakeidx
+2014 Maïeul Rouquette indextools
+
+The LATEX Project Public Li­cense 1.3
+
+#What is it
+
+A fork of imakeidx to avoid some limits.
diff --git a/Master/texmf-dist/doc/latex/indextools/indextools.pdf b/Master/texmf-dist/doc/latex/indextools/indextools.pdf
new file mode 100644
index 00000000000..d7d4ff2803b
--- /dev/null
+++ b/Master/texmf-dist/doc/latex/indextools/indextools.pdf
diff --git a/Master/texmf-dist/doc/latex/indextools/latexmkrc b/Master/texmf-dist/doc/latex/indextools/latexmkrc
new file mode 100644
index 00000000000..b043a4ff095
--- /dev/null
+++ b/Master/texmf-dist/doc/latex/indextools/latexmkrc
@@ -0,0 +1,2 @@
+$pdflatex = "pdflatex %S";
+$pdf_mode = "1";
diff --git a/Master/texmf-dist/doc/latex/indextools/makefile b/Master/texmf-dist/doc/latex/indextools/makefile
new file mode 100644
index 00000000000..c5392aa39e3
--- /dev/null
+++ b/Master/texmf-dist/doc/latex/indextools/makefile
@@ -0,0 +1,14 @@
+FILES =  *dtx *pdf README  makefile latexmkrc
+dist: indextools.pdf indextools.sty
+	@$(RM) ../indextools.zip
+	rm -rf indextools
+	mkdir indextools	
+	ln $(FILES) indextools
+	zip -r ../indextools.zip  indextools
+README: README.md
+	cp README.md README
+%.pdf %.sty: %.dtx
+	latexmk *dtx
+ 
+clean:
+	@$(RM) *.pdf *.toc *.aux *.out *.fdb_latexmk *.log *.bbl *.bcf *.blg *run.xml *.synctex.gz*
diff --git a/Master/texmf-dist/source/latex/indextools/indextools.dtx b/Master/texmf-dist/source/latex/indextools/indextools.dtx
new file mode 100644
index 00000000000..ed33f77fe38
--- /dev/null
+++ b/Master/texmf-dist/source/latex/indextools/indextools.dtx
@@ -0,0 +1,1671 @@
+% \iffalse
+%<*internal>
+\begingroup
+\input docstrip.tex
+\keepsilent
+\usedir{tex/latex/indextools}
+\preamble
+  ___________________________________________________________
+  The indextools package for LaTeX
+  Copyright (C) 2010-2013 Enrico Gregorio
+  Copyright (C) 2014-* Maïeul Roquette
+  All rights reserved
+
+  License information appended
+
+\endpreamble
+\postamble
+
+Copyright 2010--2013 Enrico Gregorio <Enrico dot Gregorio at univr dot it>
+
+Copyright 2014 Maïeul Rouquette <maieul at maieul dot it>
+
+Distributable under the LaTeX Project Public License,
+version 1.3c or higher (your choice). The latest version of
+this license is at: http://www.latex-project.org/lppl.txt
+
+This work is "author-maintained"
+
+This work consists of this file indextools.dtx, a README file
+and the derived files indextools.sty and indextools.pdf.
+
+\endpostamble
+\askforoverwritefalse
+
+\generate{\file{indextools.sty}{\from{indextools.dtx}{package}}}
+
+\def\tmpa{plain}
+\ifx\tmpa\fmtname\endgroup\expandafter\bye\fi
+\endgroup
+%</internal>
+%
+%<*driver>
+\ProvidesFile{indextools.dtx}%
+%</driver>
+%<package>\NeedsTeXFormat{LaTeX2e}[2005/12/01]
+%<package>\ProvidesPackage{indextools}%
+%<*package>
+   [2015/01/23 v1.4 Package for typesetting indices in a synchronous mode]
+%</package>
+%<*driver>
+\documentclass{ltxdoc}
+\def\prog#1{\textsf{\slshape#1}}
+\def\progpdflatex{\textsf{(\textsl{pdf})\textsl{latex}}}
+\def\eTeX{\mbox{$\varepsilon$-\TeX}}
+\def\Kvalue#1{\textsf{\textsl{#1}}}
+\def\pack#1{\textsf{#1}}
+\def\class#1{\textsf{\itshape#1}}
+\def\opz#1{\texttt{#1}}
+\usepackage{multicol}
+\usepackage[colorlinks]{hyperref}
+\usepackage[T1]{fontenc}
+\usepackage[utf8]{inputenc}
+\usepackage[english]{babel}
+\usepackage{textcomp,metalogo,booktabs}
+\begin{document}
+\frenchspacing
+\makeatletter
+\GetFileInfo{indextools.dtx}% dtx extension required
+\title{The package \pack{indextools}\thanks{Version number \fileversion; last
+ revision \filedate.}}
+\author{Maïeul Rouquette\thanks{\texttt{maieul at maieul dot net}} from Enrico Gregorio's work}
+\date{}
+\maketitle
+\begin{multicols}{2}
+\tableofcontents
+\end{multicols}
+\smallskip
+\RecordChanges
+\DocInput{indextools.dtx}
+\end{document}
+%</driver>
+% \fi
+% \CheckSum{798}
+%
+% \changes{v1.0}{2010/07/10}{First public version}
+% \changes{v1.0a}{2010/07/12}{Small bug correction}
+% \changes{v1.1}{2012/05/09}{Fixed compatibility with \pack{memoir}}
+% \changes{v1.1}{2012/05/09}{Modified interaction with Lua\TeX}
+% \changes{v1.1a}{2012/09/07}{Fixed bug with possibly defined \cs{directlua}}
+% \changes{v1.2}{2012/08/31}{made package compatible with showidx}
+% \changes{v1.2}{2012/08/31}{made package compatible with fancyhdr}
+% \changes{v1.2}{2012/08/31}{added index processing engine option truexindy}
+% \changes{v1.2c}{2012/10/02}{Fixed regression}
+% \changes{v1.2d}{2012/10/06}{Fixed bugs with index internal names}
+% \changes{v1.2e}{2012/10/22}{Fixed bug with showidx simulated by memoir}
+% \changes{v1.3}{2013/07/11}{Added internal so as to cooperate in a better
+% way with eledmac (by Maïeul Rouquette)}
+% \changes{v1.4}{2015/01/23}{Compatibility with bidi. Fork from imakeidx. New name indextools}
+%
+% \begin{abstract}
+% This package is a fork of the \pack{imakeidx} package. The original authors
+% of \pack{imakeidx} were Claudio Beccari and Enrico Gregorio; the first author withdrew his availability as a maintainer in 2013. The second author declined
+% some upgrade suggestions  to remove some incompatibilities with certain
+% packages that are particularly important with critical editions dealing with
+% languages that are being written from right to left.
+% Therefore this fork, named \pack{indextools}, was created by Maïeul Rouquette,
+% who acknowledges the work of the two preceding authors thanking them for the
+% excellent package they created; nevertheless this fork was necessary in order
+% to let other users benefit from its functionalities very useful in the field
+% of humanities.
+%
+% We hope that one day, only one package will be provided.
+% The differences with the \pack{imakedix} are:
+% \begin{itemize}
+% 	\item the name;
+% 	\item the compatibility with package \pack{bidi};
+%	\item this documentation.
+% \end{itemize}
+% This package replaces and extends the functionalities of \pack{imakeidx},
+% therefore  it MUST not be loaded at the same time as \pack{imakeidx}. Some 
+% controls are implemented to avoid these situations; if loading of
+% \pack{indextools} is required after \pack{imakeidx} is already loaded,
+% it does not get loaded; at the same time, if it gets loaded, it sets a
+% suitable macro so that \pack{imakeidx} can't be loaded after
+% \pack{indextools}.
+%
+% This package exploits the |\write18| facility of modern \TeX\ system
+% distributions that allows to run system commands while typesetting a
+% document written with the \LaTeX{} mark up.  By so doing, the index
+% or indices, that are usually typeset at the very end of the
+% document, are possibly split and sorted so as to include them in the
+% document itself. This process has some minor limitations: it's
+% impossible to start an index before all other pages have been
+% ejected.
+%
+% For support, please open issues on:\\[1ex] 
+% \makebox[\linewidth]{\url{https://github.com/maieul/indextools}}
+% \end{abstract}
+%
+% \section{Introduction}
+% It's been some years now that the typesetting engine of the \TeX\
+% system is just \prog{pdftex}; the original Knuthian \prog{tex} is
+% still corrected by D.\,E.~Knuth himself, but is frozen, according to
+% his will; it is still distributed by every \TeX\ distribution, but
+% in practice \prog{pdftex}, \prog{xetex} or \prog{luatex} are the most used 
+% interpreters  and typesetting engines of most macro packages.
+%
+% This program \prog{pdftex} was originally born with the facility of
+% producing either a pdf output file, as its name suggests, or a dvi
+% file. Since then it has been enriched with many upgrades, also with
+% regard to the evolution of the PDF language itself. It also
+% incorporates the extensions of \eTeX\ and has the ability to open a
+% shell so as to run system commands with their arguments. The same
+% is true for \prog{xetex} and \prog{luatex}.
+% 
+% This facility, since the \TeX~Live 2010 distribution, is official,
+% but is sort of restricted, in the sense that the \TeX\ system
+% configuration file contains a list of ``safe'' system commands that
+% can be run by \prog{pdftex}; presently the only program relevant for
+% this package is \prog{makeindex}. This precaution is necessary in
+% order to avoid running malicious code. Other programs can be run,
+% though, but it's necessary to expressly tell \prog{pdftex} that it
+% can do so; this authorisation is given by means of a suitable
+% program option, as explained below.
+%
+% This package will exploit this facility in order to run a perl
+% script that is capable of splitting a raw index file into different
+% chunks and to run the \prog{makeindex} or \prog{xindy} \TeX\ system
+% programs so as to sort and format the index entries according to a
+% specified index style file. Once the shell is terminated, the
+% typesetting program resumes its work and possibly prints the various
+% formatted indices produced in previous steps. In this way the document
+% indices are always synchronous with their document and no further
+% typesetting runs are necessary.
+%
+% In order to reach this goal, it is necessary that at least the
+% restricted |write18| facility is enabled; if the \TeX\ distribution
+% in use does not enable this restricted feature by default, it
+% is necessary to enable the typesetting engine to run such facility;
+% depending on the distribution and the shell editor that is being
+% used to work on a specific document, it is necessary to add
+% \texttt{-\/-shell-escape} (or \texttt{-\/-enable-write18} for MiK\TeX)
+% to the command with which the typesetting program is launched,
+% possibly through the shell editor. This applies to all three
+% \prog{pdftex}, \prog{xetex}, and \prog{luatex} typesetting engines.
+%
+% {\medskip\footnotesize If Lua\LaTeX{} is used and \prog{luatex} is
+% version 0.42 to 0.66, it's impossible to distinguish whether the
+% restricted shell escape is active or not, so the automatic procedure
+% will be tried anyway, unless disabled with the \texttt{noautomatic}
+% package option. With version 0.68 or later, the behaviour is the same
+% as with the other engines.\par}
+%
+%
+%\section{Package usage}
+% This package is invoked as usual by means of a \cs{usepackage} command:
+% \begin{flushleft}
+% \cs{usepackage}\oarg{options}\texttt{\{indextools\}}
+% \end{flushleft}
+%
+% The available \meta{options} consist in a comma separated list of
+% the following options:
+% ^^A
+% \begin{description}\def\Item[#1]{\item[\normalfont\ttfamily#1]}
+% ^^A
+% \Item[makeindex] in order to use the \prog{makeindex} sorting and
+% formatting engine; this option is the default and is mutually
+% exclusive with the next option.
+% ^^A
+% \Item[xindy] in order to use the \prog{xindy} sorting and formatting
+% engine; \texttt{texindy} is an alias for \texttt{xindy} and actually
+% it's the script \prog{texindy} which is called by this package.
+% Nevertheless if the real \prog{xindy} is desired, in order to avoid
+% the settings made up by \prog{texindy}, so as to add \prog{xindy}
+% the command line specific settings, it is possible to specify the
+% option \texttt{truexindy}; the user is then responsible to set up
+% the \prog{xindy} engine with the suitable command line options.
+% ^^A
+% \Item[noautomatic] disables the automatic splitting of the raw
+% index files and running of the system programs; this option might
+% be used to save time when one knows for sure that the index files
+% are already OK and do not need to be refreshed. Actually the time
+% spent in splitting, sorting and formatting is so short that this
+% option might be useful only when very lengthy indices are being
+% processed.
+% ^^A
+% \Item[nonewpage] inhibits the new page command to be issued when
+% using an article type document class and multiple indices are being
+% typeset. We don't see why someone would use multiple indices in an
+% article (except possibly for package documentations, which usually
+% provide a macro index and a list of changes).
+% ^^A
+% \Item[quiet] suppresses all messages about manual index processing.
+% ^^A
+% \Item[original] uses the class-provided \texttt{theindex}
+% environment for typesetting the indices; it is implicitly set if the
+% document class option \texttt{twocolumn} has been specified.
+% ^^A
+% \Item[splitindex] calls the \prog{splitindex} script by Markus Kohm,
+% which is included in every \TeX~Live distribution since 2009. With
+% this option all index entries, which are written in one raw index
+% file, are successively split into all the requested index files;
+% in this way there is virtually no limit on the number of indices
+% that is possible to create for a particular document.
+% ^^A
+% \end{description}
+%
+% The last described option deserves an explanation. \LaTeX\ can
+% write on a limited number of files during a run, and some of these
+% \emph{output streams} are already reserved (among these: aux files,
+% toc files, lof files, lot files, plus several other ones). When more than
+% one index is produced, there's the risk to run off the number of
+% writable files, because normally \pack{indextools} reserves an output
+% stream for each index.  So the \texttt{splitindex} option comes to
+% rescue: with it only \emph{one} raw index file is written out. At the
+% first \cs{printindex} command, the program \prog{splitindex} is
+% called; it splits the large index file into as many parts as the
+% number of requested indices; after this, \prog{makeindex} or
+% \prog{xindy} can do their job. In this way only one output stream is
+% needed during the \LaTeX\ run.
+%
+% When should you apply this option, then? With one index it's
+% useless, you should begin to consider it for two or more indices and
+% definitely use it if you get the error message
+% \begin{verbatim}
+% ! No room for a new \write
+% \end{verbatim}
+% Apart from this case, with or without it, the results are the
+% same. See section~\ref{sec:wrong} to see what files are written
+% during the \LaTeX\ run with or without the option.
+%
+% \section{Specific package commands}
+% As it is customary when just one index is produced, the standard
+% \LaTeX\ facilities, i.e.\ the commands \cs{makeindex}, \cs{index},
+% and \cs{printindex} must be used. This package redefines them so as
+% to produce multiple indices and defines some other commands. The first three
+% of the following commands may be used only in the preamble.
+% ^^A
+% \begin{description}\def\Item[#1]{\item[\normalfont\ttfamily\cs{#1}]}
+% ^^A
+% \Item[makeindex] with the syntax:\\[1ex]
+% \cs{makeindex}\oarg{key-values}\\[1ex]
+% where \meta{key-values} is a comma separated list of key-value
+% assignments of the form: \texttt{key=value}; the available
+% keys are the following:
+% ^^A
+% \begin{description}\def\Item[#1]{\item[\normalfont\sffamily\textsl{#1}]}
+% ^^A
+% \Item[name] is the symbolic name for an index; if this key is not
+% specified, it defaults to the value of the \cs{jobname} control
+% sequence, in other words the name of the current main \texttt{.tex}
+% file, i.e., the file that |\input|s and/or |\include|s all the files
+% of the complete document. This symbolic name is necessary only when
+% doing multiple indices and is used with the \cs{index}
+% command to point to the right index.\\*
+% Example: \texttt{name=nameidx}
+% ^^A
+% \Item[title] is the title that is typeset at the beginning of the
+% specific index; if not specified, the \cs{indexname} value is
+% used.\\* Example: \texttt{title=Index of names}.
+% ^^A
+% \Item[program] is the name of the system program that is used to
+% sort and format an index; valid choices are \prog{makeindex},
+% \prog{xindy}, or \prog{texindy}, plus \prog{truexindy}. If not
+% specified the program specified among the package options is used.
+% If no option is specified, \prog{makeindex} is used. In order to
+% use \prog{xindy}, it's necessary to call \prog{pdflatex} with
+% the shell escape command line option.\\* Example: \texttt{program=xindy}.
+% ^^A
+% \Item[options] is the list of options to be passed to the sorting
+% and formatting program; this list is a balanced text of program
+% options, separated with the syntax required by the sorting and
+% formatting program. For example, in order to use a different
+% \prog{makeindex} sorting and formatting style \pack{mystyle.ist} and
+% avoiding any message in the screen output, write \texttt{options=-s
+% mystyle}.
+% ^^A
+% \Item[noautomatic] is a boolean key that defaults to \texttt{false};
+% you can set it to \texttt{true} by simply listing its key in the
+% key-value list, without necessarily specifying the \texttt{=true}
+% part. If specified the index sorting program won't be called during
+% the typesetting run for this particular index.
+% ^^A
+% \Item[intoc] is a boolean variable that defaults to \texttt{false};
+% if you want to set it \texttt{true} you must simply list this key in
+% the key-value list, with no need of specifying the \texttt{=true}
+% part. By setting this key to \texttt{true} an entry for this
+% particular index is put in the table of contents.
+% ^^A
+% \Item[columns] accepts an integer representing the number of columns
+% in the index; this is silently ignored if the \texttt{original} or
+% the \texttt{twocolumn} options are set; the number can even
+% be~$1$.\\* Example: \texttt{columns=3}
+% ^^A
+% \Item[columnsep] accepts a dimension representing the separation
+% between index columns; the default is $35$\,pt as in the standard
+% classes.\\* Example: \texttt{columnsep=15pt}
+% ^^A
+% \Item[columnseprule] is a boolean option; if it is set, a rule will appear
+% between the index columns.
+% ^^A
+% \end{description}
+% ^^A
+% \Item[indexsetup] with the syntax:\\[1ex]
+% \cs{indexsetup}\marg{key-values}\\[1ex]
+% where again \meta{key-values} is a comma separated list of \texttt{key=value}
+% assignments; the available keys are:
+% ^^A
+% \begin{description}\def\Item[#1]{\item[\normalfont\sffamily\textsl{#1}]}
+% ^^A
+% \Item[level] whose acceptable values are sectioning commands such as
+% \cs{chapter} or \cs{chapter*}. Actually any command with an argument
+% will do and will receive the index title as its argument. The
+% default is \cs{chapter*} or, if the class doesn't provide chapters,
+% \cs{section*}. If you specify |\chapter| so as to override the default
+% starred command |\chapter*|, the index title goes directly to the table
+% of contents; in this case do not specify the \texttt{intoc} option.
+% ^^A
+% \Item[toclevel] whose acceptable value is a sectioning command
+% \emph{name} such as \texttt{section} to indicate the level at which
+% we want the indices appear in the table of contents.
+% ^^A
+% \Item[noclearpage] is a boolean option; when set, no \cs{clearpage}
+% will be issued between indices. You might want to set it in order to
+% have a `chapter of indices'; in this case you are responsible for
+% setting the right value of the above keys. For example
+%\begin{verbatim}
+% \indexsetup{level=\section*,toclevel=section,noclearpage}
+% ...
+% \chapter*{Indices}
+% \printindex
+% \printindex[names]
+% \printindex[objects]
+%\end{verbatim}
+% See more on this subject in section~\ref{sec:hints}
+% ^^A
+% \Item[firstpagestyle] whose acceptable value is a page style, default
+% \texttt{plain}. You might want to set it to \texttt{empty} or some
+% other page style defined by the class or by yourself. This keyword
+% is disabled when the package \pack{fancyhdr} is loaded; any definition
+% or choice of page styles must be done before typesetting the indices. 
+% ^^A
+% \Item[headers] which takes two values: the left and right marks. You
+% might want to use this for disabling automatic uppercasing, by
+% saying, for example, |headers={\indexname}{\indexname}|; notice that
+% these values should always be a pair of balanced braced texts.
+% Don't use these keys if you use \pack{fancyhdr}.
+% ^^A
+% \Item[othercode] whose acceptable value is arbitrary \TeX\ code that
+% will be executed at the beginning of index entries typesetting. For
+% example you might want to change here the setting of \cs{parskip}.
+% \end{description}
+% ^^A
+% \Item[splitindexoptions] must have as its argument the command line
+% option to \prog{splitindex}; this might be necessary on some
+% systems. The default is |-m ""|, because we want it only for
+% splitting the large index file into its components which are later
+% processed by this package. See the \prog{splitindex} documentation
+% for other options.
+% ^^A
+% \Item[index] with the syntax:\\[1ex]
+% \cs{index}\oarg{name}\marg{entry}\\[1ex]
+% inserts \meta{entry} in the raw index file named \meta{name}; if only
+% one raw index file is being built in order to split it in different index
+% files by means of  \prog{splitindex}, the \meta{entry} is listed in the
+% specific slit index file with name \meta{name}; if no name is specified,
+% this \meta{entry} is added to the default index with name
+% \cs{jobname}. The \meta{entry} should be written according to the
+% particular syntax of the sorting and formatting program.
+% ^^A
+% \Item[indexprologue] with the syntax:\\*[1ex]
+% \cs{indexprologue}\oarg{spacing}\marg{text}\\[1ex]
+% is used to define some \meta{text} to go between the index header and the
+% entries; the \meta{spacing} should be a vertical space command such
+% as |\vspace{36pt}| (default is \cs{bigskip}), controlling the
+% spacing between the prologue and the index proper. The command
+% affects only the next index produced by \cs{printindex} and is best
+% placed just before this command. Please read ahead for further
+% information on the use of this command.
+% ^^A
+% \Item[printindex] with the syntax:\\*[1ex]
+% \cs{printindex}\oarg{name}\\[1ex]
+% is used to typeset the particular index named \meta{name}; if no
+% optional argument is specified, the default index with name
+% \cs{jobname.ind} is typeset.  Actually this command activates all
+% the mechanism of closing the output to the raw index file, shelling
+% out, possibly calling the \prog{splitindex} script in order to
+% divide the single raw file generated by the typesetting engine into
+% distinct raw files according to the default or specified
+% \meta{name}s for each index, calling the sorting and
+% formatting program on each of these split raw files (unless
+% inhibited by a \Kvalue{noautomatic} option; in which case a warning
+% is issued in order to remember the typesetter that this particular
+% index has not been processed), producing the sorted and formatted
+% \texttt{.ind} files, and eventually inputs and typesets these
+% formatted files. \ Deep breath.
+% \end{description}
+%
+% Let's see an example. The sequence of commands
+%\begin{verbatim}
+% ...
+% \usepackage{indextools}
+% ...
+% \makeindex[title=Concept index]
+% \makeindex[name=persons,title=Index of names,columns=3]
+% ...
+% \begin{document}
+% ...
+% ...relativity\index{relativity}...
+% ...
+% ... Einstein\index[persons]{Einstein, Albert}...
+% ...
+% And this is the end of the story.
+%
+% \printindex
+%
+% \indexprologue{\small In this index you'll find only
+%   famous people's names}
+% \printindex[persons]
+% \end{document}
+%\end{verbatim}
+% will produce two indices. Entries for either index must be typed as
+% shown above.  The prologue will be printed (full text width) only
+% in the ``Index of names'', which will be typeset in three columns.
+%
+% When the \texttt{original} option is set, maybe implicitly because
+% of \texttt{twocolumn}, \cs{indexsetup} and the keys
+% \Kvalue{columns}, \Kvalue{columnsep} and \Kvalue{columnseprule} for
+% \cs{makeindex} have no effect. Please read more on this matter further~on.
+%
+% \section{If something goes wrong}\label{sec:wrong}
+% Since \pack{indextools} relies on good cooperation between package
+% options and command line options for the \LaTeX\ run, in some cases
+% it may happen that the indices are not correctly built or built at
+% all.
+%
+% If you use only \prog{makeindex} and \TeX~Live 2010 or later, then
+% you shouldn't need anything special, since \prog{makeindex} is among
+% the safe programs allowed to be called during a \LaTeX\ run, be it
+% \prog{latex}, \prog{pdflatex}, \prog{xelatex}, or \prog{lualatex}.
+%
+% When the options \texttt{splitindex}, \texttt{xindy},
+% \texttt{texindy} or \texttt{truexindy} are specified (globally or
+% locally), the \LaTeX\ run should be called with the unrestricted
+% \texttt{-\/-shell-escape} (which is \texttt{-\/-enable-write18} for
+% MiK\TeX) typesetting program  option or the \texttt{noautomatic}
+% option should be specified when loading \pack{indextools}.
+% 
+% Let's look at a couple of examples. In both we suppose that the
+% document \texttt{mybook.tex} defines two indices through
+%\begin{verbatim}
+% \makeindex[...]
+% \makeindex[name=secondary,...]
+%\end{verbatim}
+% where |...| denotes possible options excluding \texttt{name}.
+%
+% First of all we examine the case when \pack{indextools} is called
+% \emph{without} \texttt{splitindex}. Two files called
+% \texttt{mybook.idx} and \texttt{secondary.idx} will be written
+% during the \LaTeX\ run. At the corresponding \cs{printindex}
+% command, \prog{makeindex} will act on each of them producing the files
+% \texttt{mybook.ind}, \texttt{mybook.ilg}, \texttt{secondary.ind} and
+% \texttt{secondary.ilg}. The \texttt{.ind} files contain the relevant
+% \texttt{theindex} environments with alphabetised entries, while in
+% the \texttt{.ilg} files \prog{makeindex} will write its log. You can
+% check in \texttt{mybook.log} whether the \prog{makeindex} run has
+% been executed by searching for a line
+%\begin{verbatim}
+% runsystem(makeindex <...>)...executed
+%\end{verbatim}
+% where |<...>| stands for the rest of the command line in the
+% particular case. If this line is not present, then \prog{makeindex}
+% has not been called; this happens when you didn't specify the shell
+% escape command line option for the \LaTeX\ run or the restricted
+% shell escape is not active; also, of course, if you set the
+% \texttt{noautomatic} option for the index.
+%
+% {\tolerance=9999
+% When using \prog{splitindex}, the situation is different. During the
+% \LaTeX\ run, only a large index file called \texttt{mybook.idx} file
+% gets written; the first \cs{printindex} command will call
+% \prog{splitindex} (unrestricted shell escape \emph{must} be active),
+% which will produce the two partial index files \texttt{mybook-mybook.idx}
+% and \texttt{mybook-secondary.idx}. These two files will be processed by
+% \prog{makeindex} producing the four files \texttt{mybook-mybook.ind},
+% \texttt{mybook-mybook.ilg}, \texttt{mybook-secondary.ind} and
+% \texttt{mybook-secondary.ilg}.
+% The line
+%\begin{verbatim}
+% runsystem(splitindex <...>)...executed
+%\end{verbatim}
+% in \texttt{mybook.log} will tell that the splitting has been done
+% (see later on if this doesn't seem true). In table~\ref{tab:files} you
+% can see what files are produced when the first two lines are in the
+% preamble.\par}
+%
+% \begin{table}[tp]
+% \centering\begingroup\ttfamily
+% \begin{tabular}{rll}
+% \toprule
+% \multicolumn{3}{c}{\ttfamily\cs{makeindex}\hphantom{[name=secondary]}}\\
+% \multicolumn{3}{c}{\ttfamily\cs{makeindex}[name=secondary]}\\
+% \midrule
+% \addlinespace
+% &\normalfont without \texttt{splitindex} &
+% \normalfont with \texttt{splitindex} \\
+% \cmidrule(lr){2-2} \cmidrule(lr){3-3}
+% \addlinespace
+% \normalfont(at \cs{begin}\texttt{\{document\}})\\
+% \addlinespace
+% &mybook.idx & mybook.idx \\
+% &secondary.idx  \\
+% \addlinespace
+% \normalfont(at \cs{printindex})\\
+% \addlinespace
+% &mybook.ind    & mybook-mybook.idx \\
+% &mybook.ilg    &  mybook-secondary.idx\\
+% &secondary.ind & mybook-mybook.ind\\
+% &secondary.ilg & mybook-mybook.ilg\\
+% &              & mybook-secondary.ind \\
+% &              & mybook-secondary.ilg \\
+% \bottomrule
+% \end{tabular}\endgroup
+% \caption{Files written during a \LaTeX\ run}\label{tab:files}
+% \end{table}
+%
+% Everything is the same when using \prog{texindy} for alphabetising,
+% except that, by default, it doesn't write \texttt{.ilg} files. If
+% you want them, add |options=-t |\meta{name}|.ilg| to the relevant
+% \cs{makeindex} command, in our example it should be
+%\begin{verbatim}
+% \makeindex[...,options=-t mybook.ilg]
+% \makeindex[name=secondary,...,options=-t secondary.ilg]
+%\end{verbatim}
+% The name of the \texttt{.ilg} file \emph{must} be specified.
+% Remember, though, that \prog{xindy} \texttt{.ilg} files may turn out
+% to be very large.
+%
+% When something different from expected appears to take place, check
+% also the time stamps of the produced files; if they are older than
+% \texttt{mybook.log}, it means that they have not been written in the
+% last run. The most common case is that you forgot to activate the shell
+% escape feature (which is not necessary with \TeX~Live 2010 or later,
+% provided you use only \prog{makeindex}).
+%
+% Another cause of malfunction might be a wrong option passed to
+% \prog{makeindex}, \prog{texindy} or \prog{splitindex}. For example,
+% if you specify a style option for \prog{makeindex} such as
+% |options=-s mystyle.ist| and the style file is missing or its name
+% is mistyped, the run of \prog{makeindex} will result in
+% \texttt{mybook.log}, but it will be aborted and the \TeX\ program
+% has no control over this process. In this case the \texttt{.ilg} and
+% \texttt{.ind} files will not be produced and you can spot the
+% problem by checking the time stamps. On some systems a message such as
+%\begin{verbatim}
+% Index file mystyle.ist not found
+% Usage: makeindex [-ilqrcgLT] [-s sty] [-o ind] [-t log] [-p num]
+%\end{verbatim}
+% may appear on the screen, but often this window gets closed before
+% you realize you have a problem. The time stamp is the best clue to
+% detect such problems.
+%
+% Shell hackers may be able to redirect the \texttt{stderr} stream to
+% a file, but this requires skills that can't be explained here,
+% because they require tens of different tricks, depending on what
+% method is used to start a \LaTeX\ run. From the command line,
+% assuming \prog{bash}, it would be something like
+%\begin{verbatim}
+% pdflatex --shell-escape mybook.tex 2>latex-errors
+%\end{verbatim}
+% If shell hackers know a way to access the exit status of the called
+% program, we'd be glad to implement a supplementary check.
+%
+% ^^A G
+% \section{Hints}\label{sec:hints}
+% Actually this package reaches two goals: (\textit{a})~it typesets
+% the indices of a specific document in just one run, and
+% (\textit{b})~it lets the author\slash typesetter produce
+% documents with multiple indices.
+%
+% \subsection{Conflicts}
+%
+% \subsubsection{Two columm typesetting and index prologue}
+% As it has been already mentioned, it is possible to use the command
+% |\indexprologue| to write some text before the index proper gets typeset;
+% an optional space may be used in place of the default one-line spacing
+% between the index title, the prologue and the index body.
+% 
+% This facility relies on a particular feature of the |multicols|
+% environment, that \pack{indextools} uses to instruct the typesetting
+% program to typeset the index with a specified number of balanced columns.
+% The choice of |multicols| has been made because it balances the
+% columns in the last page; the declaration |\twocolum| does not
+% perform the same way, and, if used, it makes |\printindex| typeset
+% the index in two-column mode with an unbalanced last column.
+%
+% In the previous sections it has been clearly stated that any
+% configuration of the way \pack{indextools} typesets the indices
+% is bypassed if the option \opz{original} has been specified
+% either explicitly or implicitly. It is implicitly specified
+% if the option \opz{twocolumn} is specified in the class
+% declaration statement.
+%
+% Why? Because if two column typesetting is desired for the whole
+% document, it is not clear if the index has to be typeset in one
+% column within each column of the document, or if it should be
+% typeset in two column mode after a |\onecolumn| command is being
+% issued; the results are not the same: with the former method the
+% columns remain unbalanced, while the latter has balanced columns.
+% Furthermore the |\onecolum| command forces a page break; without
+% the |\onecolumn| command if the index is treated as a  chapter,
+% there is a page break, while if it is configured to be typeset
+% as a section there is no forced page break. With this plethora
+% of combinations we decided to avoid any configuration of the
+% index typesetting and left the decision to the user. This
+% requires the user to practice some ingenuity in order to obtain
+% what he expects.
+%
+% First of all the user shall not specify the \opz{twocolumn}
+% option to the class. Secondly the user asks for the use of
+% \pack{indextools} and sets up the single or multiple |\makindex|
+% commands. thirdly he loads all other packages required for his
+% document; possibly he uses also \pack{geometry} in order to
+% specify a specific page layout. He shall specify the |\twocolumn|
+% declaration after the above has been completed, in any case
+% after the \pack{indextools} package has been loaded and the single
+% or multiple |\makeindex| commands are configured.
+%
+% A good example might be this one:
+%\begin{verbatim}
+%\documentclass[a4paper,11pt]{book}
+%\usepackage{indextools}
+%\indexsetup{level=\section*,toclevel=section,noclearpage}
+%\makeindex[title=Index of places,columns=1]
+%\twocolumn
+%\usepackage[T1]{fontenc}
+%\usepackage{lmodern}
+%\usepackage[italian,english]{babel}
+%\usepackage[utf8]{inputenc}
+%\usepackage[a4paper,margin={1in,1in},binding=3mm]{geometry}
+%\usepackage[english]{varioref}
+%\usepackage[hang]{caption}
+%\begin{document}
+%...
+%\indexprologue{This index lists all the residences where Lady Esther
+%lived during the time span described in the book.}
+%\printindex
+%\end{document}
+%\end{verbatim}
+% In this way the index is typeset as a ``section'', not as a
+% ``chapter'', in one column mode within the two column document
+% style; the indicated prologue is typeset between the index
+% title ``Index of places'' and the start of the index proper.
+%
+% On the opposite the following code:
+%\begin{verbatim}
+%\documentclass[a4paper,11pt]{book}
+%\usepackage{indextools}
+%\makeindex[title=Index of places,columns=2]
+%\twocolumn
+%\usepackage[T1]{fontenc}
+%\usepackage{lmodern}
+%\usepackage[italian,english]{babel}
+%\usepackage[utf8]{inputenc}
+%\usepackage[a4paper,margin={1in,1in},binding=3mm]{geometry}
+%\usepackage[english]{varioref}
+%\usepackage[hang]{caption}
+%\begin{document}
+%...
+%\onecolumn
+%\indexprologue{This index lists all the residences where Lady Esther
+%lived during the time span described in the book.}
+%\printindex
+%\end{document}
+%\end{verbatim}
+% produces an index typeset as a ``chapter'', starting on a new page;
+% it is typeset in two balanced columns. The prologue is typeset where it should.
+% The ingenious reader can experiment mixing the various settings
+% used in these two examples in order to find out what benefits or
+% disadvantages one can obtain with settings that are not physically
+% impossible, but that may be aesthetically conflicting with one another.
+
+% \subsubsection{Class \class{memoir}}
+%
+% The first public version of this package was not compatible with the
+% \pack{memoir} class. Since version 1.1 it is; however, one has to
+% keep in mind that all index processing is done with the methods of
+% the present package, and \emph{not} with \pack{memoir}'s; however
+% the syntax used is the same and there should be no problem. There is
+% an interaction between \pack{memoir} and \pack{showidx} that required
+% special attention. See below about using \pack{showidx}.
+%
+% \subsubsection{Package \pack{showidx}} 
+%
+% Up to version 1.1 this package did not allow to use it together with
+% the \pack{showidx} package; now it is, provided that \pack{showidx}
+% is loaded \emph{before} \pack{indextools}. See below more information
+% on using \pack{showidx}.
+%
+% \subsubsection{Package \pack{fancyhdr}}
+% 
+% When using package \pack{fancyhdr} some inconveniences did show up;
+% now we believe we have detected the causes and we implemented the
+% necessary corrections\footnote{Thanks to Maïeul Rouquette who, before
+% creating this fork, spotted the problems and suggested some patches.}.
+%
+% \subsubsection{Package \pack{combine}}
+%
+% Apparently there might be some conflicts with package \pack{combine},
+% because this package redefines the contents of |\jobname|; we tried
+% to control this behaviour, and made the necessary patches, but it is still
+% necessary to load this package \pack{indextools} \emph{before} package
+% \pack{combine}.
+%
+% \subsubsection{Package \pack{ledmac}}
+%
+% Some users reported some conflicts with package \pack{ledmac}; in order
+% to mark with an italic `n' the pages where the reference was made in
+% one of the footnotes, it is necessary to use the package \pack{etoolbox}
+% and its command |\pretocmd|; actually it is not necessary to load
+% \pack{etoolbox}, because this \pack{indextools} package provides for it:
+%\begin{verbatim}
+%...
+%\usepackage{letltxmacro}
+%\usepackage{indextools}
+%...
+%\makeatletter
+%\LetLtxMacro\orig@@index\index
+%\newcommand\nindex[1]{\orig@@index{#1|innote}}
+%\newcommand\innote[1]{#1\textit{n}}
+%...
+%\makeindex[...] 
+%...
+%\AtBeginDocument{%
+%    \pretocommand{\@footnotetext}{\let\index\nindex}{}{}
+%}
+%\end{verbatim}
+% We did not apply this patch directly because we tried to avoid possible
+% conflicts that might show up when loading other packages. Therefore we
+% simply show what to do in case it might be necessary.
+%
+% With the newer \pack{eledmac} package there are no problems.
+%
+% \subsection{Package \pack{bidi}}
+% A strange conflict was discovered between packages \pack{imakeidx} and
+% \pack{bidi}, in order to let \pack{hyperref} redefine some
+% internal macros so as to have index hyperlinks properly executed.
+% This implies that the ``index'' package be loaded before \pack{hyperref};
+% on the opposite \pack{bidi} (for bidirectional writing, needed for
+% typesetting Arabic and Hebrew scripts, among other ones) \emph{must}
+% be loaded after \pack{hyperref} and redefines some hyper commands
+% that have influence on the indexing package; therefore after loading
+% \pack{bidi} the previous redefinitions are lost. A solution was found
+% by modifying the definition of the environment |theindex| and delaying
+% its definition to the execution of |\begin{document}|. This is the main
+% reason of this fork so that \pack{indextools} may be loaded, as most
+% packages normally do, before \pack{hyperref}.
+%
+%\subsection{Index layout customisation}
+% If you redefine yourself the \texttt{theindex} environment, please
+% remember not to number the chapter or section that introduces the
+% index if you ask for the \Kvalue{intoc} option; either use the
+% commands \cs{chapter*} or the \cs{section*} respectively and the
+% \Kvalue{intoc} option or don't use this option and redefine your
+% \texttt{theindex} environment with numbered chapter or section
+% commands, that will put the index titles directly into the table of
+% contents. See below the effect of the |\backmatter| declaration.
+% You may use the \pack{idxlayout} package by Thomas Titz,
+% which offers many functions for index typesetting customisation and
+% is compatible with our package; remember to load \pack{idxlayout}
+% after \pack{indextools}. This package has a similar function to our
+% \cs{indexprologue}, called \cs{setindexprenote}; however
+% \pack{idxlayout} doesn't reset the index prologue, which must be
+% declared anew or disabled with \cs{noindexprenote} before the next
+% \cs{printindex} command. In any case take into serious consideration
+% what is being said hereafter about customisation.
+%
+% \subsection{Index page customisation}
+% The same, more or less, holds true if you customise your headings;
+% \pack{indextools} can deal with standard settings, but it generally
+% cannot deal with personal styles and customisations. This is why
+% if you load \pack{fancyhdr}, some of the |\indexsetup| settings may be
+% disabled.
+
+% When you make any kind of customisation, remember that there are
+% several classes, or personal settings, or features that may render your
+% customisation very difficult to handle. Typically:
+%^^A
+%\begin{itemize}
+%^^A
+% \item There are classes where the normal usable highest sectioning
+% command, disregarding |\part|, is not |\chapter|, but |\section|; for
+% example classes \class{article}, \class{scrartcl}.
+%^^A
+%\item Sectioning commands come in two varieties: starred and unstarred;
+% the former ones are not numbered and do not produce any entry in the
+% headings and in the table of contents; the latter ones may  behave
+% differently according to the next item.
+%^^A
+% \item There are some classes (for example \class{book},
+% \class{scrbook}, \class{menoir},\dots) that have the special
+% ``sectioning'' declarations |\frontmatter|, |\mainmatter|, and
+% |\backmatter| which modify how the unstarred sectioning commands behave for
+% what concerns the heading and the table of contents entries.
+%
+% For what concerns indices, these are generally typeset at the document
+% end. This means that the |\backmatter| declaration may be in force;
+% in this case unstarred sectioning commands are not numbered but they
+% produce normal headings and table of contents entries.
+%^^A
+%\item Heading entries are used by the output routine paging algorithm
+% in such a way as to extract the left or the right part from suitable
+% ``marks''; for the even (left) pages the required information is
+% extracted from the |\topmark| or |\firstmark|, while for the odd (right)
+% pages they are extracted from the |\botmark|. Generally speaking,
+% the even page heading refers to |\leftmark| and odd page headings
+% refer to |\rightmark|; these are the two commands that extract the
+% correct part from the suitable marks. But when you use the
+% \Kvalue{headers} option value, you specify two brace balanced strings that
+% are loaded through |\markboth| as the left and right part of the
+% current mark.
+%^^A
+% \item The contents of the marks may be very varied; they are generally
+% made up of two brace balanced strings, which in turn may contain other
+% brace balanced strings that may be used in different ways by the selected page
+% style and by the page style definitions of the macros |\chaptermarks|,
+% |\sectionmarks|, and |\subsectionmarks| that may interfere with personal
+% customisations.
+%^^A
+% \item Remember also that things change in an obvious way when one side
+% typesetting is chosen; all pages are treated as if they were odd ones;
+% therefore any customisation must take into account also this aspect.
+%\end{itemize}
+%
+% The above list has not been written down for discouraging customisations
+% of any kind: simply it recalls what must be taken care of in order to
+% create one's customisation in a proper way.
+%
+% The above list explains why we disabled the commands tied to the
+% |\indexsetup| keys \Kvalue{headings} and \Kvalue{firstpagestyle} when
+% package \pack{fancydr} is being used; you may even set up these keys,
+% but if the \pack{fancyhdr} package has been loaded, we disable their
+% action; this implies that any fancy customisation must be done before
+% starting to print any index.
+%
+% The \Kvalue{intoc} option must also be used with care, as well as the starred
+% or unstarred sectioning commands for the \Kvalue{level} and
+% \Kvalue{toclevel} option values. They must be chosen according to what the
+% possible |\backmatter| declaration sets up, in order to avoid double
+% entries in the table of contents; the |\backmatter| settings may also
+% influence the way heading information is being used, and this makes it
+% even more stringent to set up any index page style customisation
+% before starting to print any index.
+%
+% Therefore if by chance you get double entries into the table of contents,
+% eliminate the \Kvalue{intoc} option from your calls; your class,
+% packages, and settings are already taking care of it. 
+
+% The package \pack{tocbibind} should be loaded with the \Kvalue{noindex}
+% option, otherwise it would interfere with our redefinition of
+% \texttt{theindex}.
+%
+% If you redefine your \texttt{theindex} environment by means of other
+% packages, pay attention that these redefine a real \texttt{theindex}
+% environment with this very name; if they create an environment with
+% a different name, \pack{indextools} can't take care of the indices
+% production (in particular the \TeX\ system program \prog{makeindex}
+% creates a sorted and formatted \texttt{.ind} file that refers
+% explicitly to the \texttt{theindex} environment), and it can't take
+% care of the table of contents entry and of the position of the hyper
+% link anchors needed to navigate your document by means of hyper
+% links.
+%
+% \subsection{Index location customisation}
+%
+% Some packages might want to use the facilities of \emph{indextools}
+% to offer customised index commands, where the entry location is not
+% expressed by a page number, but by an other reference value (for
+% example: line number, entry number, etc.).
+%
+% These packages may use the low-level command \cs{indtl@wrindexentry}
+% which takes three arguments:
+% \begin{enumerate}
+% 	\item The index name.
+% 	\item The entry.
+% 	\item The location number.
+% \end{enumerate}
+% For example \verb+\indtl@wrindexentry{names}{Charles}{26}+ adds to
+% the index \verb+names+ the value \verb+Charles+ with the location
+% reference \verb+26+.
+%
+% In simpler words, the new command \cs{indtl@wrindexentry} is of interest
+% mainly to package and class authors; it is not to be used by the
+% ``normal'' user, who, on the opposite, if interested in referencing
+% the index entries on some location counter different from the page one,
+% is urged to refer to the classes and packages that implement this
+% facility; \pack{eledmac} should be one of these packages. Matter of
+% fact this addition to the \pack{indextools} package was contributed
+% by Maïeul Rouquette, the author and maintainer of \pack{eledmac}.
+%
+% \subsection{Using the \textsf{showidx} package}
+% If you want to make use of the \pack{showidx} facilities, remember
+% to load that package \emph{before} \pack{indextools}; remember also
+% to disable or comment out the call to \pack{showidx} when you
+% typeset the final version of your document. This constraint is due
+% to the fact that \pack{showidx} redefines several internal commands,
+% some of which have to receive the \pack{indextools} definition in order
+% to perform as described in this documentation.
+
+% At the same time if the \pack{memoir} class is being used, remember that
+% this class simulates the \pack{showidx} package and has its own commands
+% to enable or disable the printing of the index entries into the margin
+% of the document; the default setting is with the |\hideindexmarks|
+% command in force; but if the user wants to write his index entries in
+% the margin he has to issue the declaration |\showindexmarks| just after
+% begin document, in any case before the part of the source file(s) he
+% wants to be marked with the index entries in the margin.
+%
+% \subsection{Index List sectioning customisation}
+% Use freely the options and the key values in order to reach the
+% desired results, but you are advised to prepare in advance the
+% styles for composing the various indices in a proper way; for
+% example, if you use a titled style for the index, where the index
+% sections are distinguished with a bold face title or alphabetic
+% letter, you have to set up a \texttt{.ist} file, such as
+% \texttt{myindexstyle.ist}, made up like this:
+%\begin{verbatim}
+%	headings_flag 1
+%	heading_prefix   "\\par\\penalty-50\\textbf{"
+%	heading_suffix   "}\\\\\*\~\\\\\*"
+%	symhead_positive "Symbols"
+%	symhead_negative "symbols"
+%	numhead_positive "Numbers"
+%	numhead_negative "numbers"
+%	delim_0 ",\~"
+%\end{verbatim}
+% where the numeric and non alphabetic entries have different
+% titles. But, say, you are making also an index where the entries are
+% file names, and for some names only the extension is entered; the
+% extensions start with a dot, so the sorting program will sort these
+% names at the beginning of the sorted index file, but you won't like
+% to have  a title such as ``Symbols''; you probably prefer to have a title
+% such as ``Extensions''; therefore you have to prepare a different
+% index style file, such as this one:
+%\begin{verbatim}
+%	headings_flag 1
+%	heading_prefix   "\\par\\penalty-50\\textbf{"
+%	heading_suffix   "}\\\\\*\~\\\\\*"
+%	symhead_positive "Extensions"
+%	symhead_negative "extensions"
+%	numhead_positive "Numbers"
+%	numhead_negative "numbers"
+%	delim_0 ",\~"
+%\end{verbatim}
+%
+% This done, besides requiring the use of this package, you have to
+% declare the \cs{makeindex} command with the necessary options; pay a
+% particular attention to the options that involve the index symbolic
+% name, the index title, the index style, the fact that the index
+% titles shall appear in the table of contents, and if you are
+% preparing an e-book, you probably would like to hyper link both the
+% page numbers and the index titles to the proper locations.
+% The typesetting program will do everything for you but be careful
+% not to confuse it with illogical index entries.
+%
+% Especially with multiple indices it is important that you are
+% consistent in putting the right information in the right index and
+% with a consistent mark-up. Define yourself appropriate macros so
+% that, for example, personal names are consistently typeset, say, in
+% caps and small caps and are entered into a specific index; you may
+% even create one command to typeset the name in the document and
+% replicate the same name in the index.
+%
+% Of course there is no program that can decide at your place what and
+% where to index each piece of information; this is a task for
+% humans. Soooooo\dots
+% \begin{center} HAPPY \TeX{}ING!\end{center}
+%
+% \StopEventually{\PrintChanges}
+% \section{Implementation}
+% The heading to the file is in common with the documentation file,
+% and has already been taken care of. But we require the
+% \pack{xkeyval} package, in order to handle the key-value lists.
+%
+% Notice that in order to create a specific name space so as to avoid
+% possible conflicts with other packages, all the commands defined in
+% this package are prefixed with the string \texttt{indtl@}.
+%\iffalse
+%<*package>
+%\fi
+%    \begin{macrocode}
+\RequirePackage{xkeyval}
+%    \end{macrocode}
+%
+% We define the various options and their defaults. After
+% \cs{ProcessOptions}, we set anyway the \texttt{original} option if
+% the document class has been given the \texttt{twocolumn} option,
+% which is incompatible with \pack{multicol}. We define also an
+% internal alias for |\immediate\write18|, a rudimentary check for the
+% typesetting engine and a macro for modifying the command line call
+% to \prog{splitindex}. The \pack{xpatch} is requested; at the moment
+% none if its features are used, but it calls \pack{etoolbox}, whose
+% facilities are used here; while future extensions will benefit from
+% the extended patched commands, that strongly enrich the performances
+% of the main package \pack{etoolbox}.
+% \changes{v1.1a}{2012/09/07}{Fixed bug with possibly defined
+% \cs{directlua}; now we leave the check to \pack{ifluatex}; using
+% also \pack{ifxetex} for symmetry.}
+%    \begin{macrocode}
+\DeclareOption{xindy}{\def\indtl@progdefault{texindy}}
+\DeclareOption{texindy}{\def\indtl@progdefault{texindy}}
+\DeclareOption{truexindy}{\def\indtl@progdefault{truexindy}}
+\DeclareOption{makeindex}{\def\indtl@progdefault{makeindex}}
+\newif\ifindtl@disableautomatic
+\DeclareOption{noautomatic}{\indtl@disableautomatictrue}
+\newif\ifindtl@nonewpage
+\DeclareOption{nonewpage}{%
+  \indtl@nonewpagetrue\indtl@disableautomatictrue
+}
+\newif\ifindtl@splitindex
+\DeclareOption{splitindex}{\indtl@splitindextrue}
+\newif\ifindtl@original
+\DeclareOption{original}{\indtl@originaltrue}
+\DeclareOption{quiet}{\AtEndOfPackage{%
+  \let\indtl@finalmessage\@gobble
+  \let\indtl@splitindexmessage\relax}}
+\ExecuteOptions{makeindex}
+\ProcessOptions\relax
+
+\if@twocolumn\indtl@originaltrue\fi
+\def\indtl@exec{\immediate\write18}
+\def\indtl@engine{(pdf)latex}
+\RequirePackage{ifxetex,ifluatex}
+\ifxetex\def\indtl@engine{xelatex}\fi
+\ifluatex % luatex doesn't have \(pdf)shellescape
+ \def\indtl@engine{lualatex}
+  \ifnum\luatexversion<68
+    \chardef\indtl@shellescape\@ne % no way to know the value
+  \else
+    \RequirePackage{pdftexcmds} % provides \pdf@shellescape
+    \chardef\indtl@shellescape\pdf@shellescape
+  \fi
+  \let\indtl@exec\pdf@system
+\fi
+\RequirePackage{xpatch}
+\edef\indtl@splitindexoptions{-m \string"\string"}
+\def\splitindexoptions#1{\g@addto@macro\indtl@splitindexoptions{ #1}}
+\@onlypreamble\splitindexoptions
+%    \end{macrocode}
+%
+% ^^A A - incompatibilities and emulation
+%
+% While experimenting we found out that some classes or packages are
+% either incompatible with this one, or must be faked in order to
+% pretend they have been loaded.
+%
+% There is a serious incompatibility with the \pack{memoir} class.  In
+% facts \pack{memoir} puts all index entries in the main \texttt{.aux}
+% file and extracts them to the various raw index files at
+% |\end{document}| time. This means that no raw index file output
+% stream has been defined, and therefore this package can't close it;
+% moreover it can't typeset the indices before |\end{document}|
+% because they are not yet available. Therefore if \pack{memoir} is
+% the active class, we will hijack its index mechanism replacing it
+% with ours.
+%
+% On the opposite we pretend that package \pack{makeidx} or package
+% \pack{multind} have been loaded, so that \pack{hyperref} can play
+% with their commands, that are substantially the same as those used
+% here. By so doing those packages are inhibited from being loaded
+% after this one.
+% We do the same with the forked original \pack{imakeidx} package
+% so that if \pack{imakeidx} is loaded before, \pack{indextools} is
+% not loaded, but an error message is issued; otherwise we fake the
+% fact that \pack{imakeidx} has already been loaded so that it does
+% not get reloaded.
+%    \begin{macrocode}
+\@namedef{ver@makeidx.sty}{3000/12/31}
+\@ifpackageloaded{multind}
+  {\PackageError{indextools}{Incompatible package `multind' loaded}
+    {This package is incompatible with multind, don't load both.%
+     \MessageBreak\@ehc}}
+  {\@namedef{ver@multind.sty}{3000/12/31}}
+
+\@ifpackageloaded{imakeidx}
+  {\PackageError{indextools}{Incompatible package `imakeidx' loaded}
+    {This package is incompatible with imakeidx, don't load both.%
+     \MessageBreak\@ehc}}
+  {\@namedef{ver@imakeidx.sty}{3000/12/31}}
+%    \end{macrocode}
+% At the same time we redefine some commands defined by \pack{makeidx}
+% and we define the default English names for the \cs{see} and
+% \cs{seealso} commands. We use \cs{providecommand} so that, if
+% \pack{makeidx} has already been loaded, we do not redefine things
+% that have already been defined.
+%    \begin{macrocode}
+\providecommand*\see[2]{\emph{\seename} #1}
+\providecommand*\seealso[2]{\emph{\alsoname} #1}
+\providecommand*\seename{see}
+\providecommand*\alsoname{see also}
+%    \end{macrocode}
+%
+% ^^A C - \makeindex
+%
+% From here on, some commands are duplicated; this depends on the
+% fact that the behavior must be different when using \prog{splitindex} or
+% not. The memory occupied by the useless commands will be cleared at the 
+% end of package.
+%    \begin{macrocode}
+\providecommand*\makeindex{} % to use \renewcommand safely
+\renewcommand{\makeindex}[1][]{\indtl@makeindex{#1}}
+% \@onlypreamble\makeindex % Already in latex.ltx
+%    \end{macrocode}
+% This package implementation of \cs{makeindex} sets default values
+% for the keys, then evaluates its argument (which is the optional
+% argument to \cs{makeindex}) and calls two other macros. After that
+% we have to reset the defaults.
+%    \begin{macrocode}
+\def\indtl@makeindex#1{%
+  \edef\indtl@name{\jobname}%
+  \edef\indtl@jobname{\jobname}%
+  \def\indtl@title{\indexname}%
+  \edef\indtl@program{\indtl@progdefault}%
+  \let\indtl@options\space
+  \KV@indtl@noautomaticfalse\KV@indtl@intocfalse
+  \setkeys{indtl}{#1}%
+  \ifindtl@splitindex\KV@indtl@noautomaticfalse\fi
+  \indtl@build\indtl@name
+  \indtl@startidx\indtl@name
+  \indtl@resetdefaults
+}
+%    \end{macrocode}
+%
+% Here are the keys. As usual, the \texttt{indtl@} prefix is used to
+% distinguish anything that is being defined in this package, even the
+% keys.
+%    \begin{macrocode}
+\define@key{indtl}{name}{\def\indtl@name{#1}}
+\define@key{indtl}{title}{\def\indtl@title{#1}}
+\define@choicekey{indtl}{program}[\indtl@val\indtl@nr]
+  {makeindex,xindy,texindy,truexindy}{%
+    \ifcase\indtl@nr\relax
+      \def\indtl@program{makeindex}%
+    \or
+      \def\indtl@program{texindy}%
+    \or
+      \def\indtl@program{texindy}%
+    \or
+      \def\indtl@program{xindy}%
+    \fi}
+\define@key{indtl}{options}{\def\indtl@options{ #1 }}
+\define@boolkey{indtl}{noautomatic}[true]{}
+\define@boolkey{indtl}{intoc}[true]{}
+\define@key{indtl}{columns}{\def\indtl@columns{#1}}
+\define@key{indtl}{columnsep}{\def\indtl@columnsep{#1}}
+\define@boolkey{indtl}{columnseprule}[true]{}
+\def\indtl@resetdefaults{%
+  \def\indtl@options{ }%
+  \def\indtl@columns{2}\def\indtl@columnsep{35\p@}%
+  \KV@indtl@columnseprulefalse
+  \KV@indtl@intocfalse\KV@indtl@noautomaticfalse}
+\indtl@resetdefaults
+%    \end{macrocode}
+%
+% The control sequence \cs{indtl@build} defines a control sequence to
+% hold the setup for an index to be used when the index is sorted and
+% printed
+%    \begin{macrocode}
+\def\indtl@build#1{%
+  \toks@{}%
+  \indtl@dokey\indtl@title
+  \indtl@dokey\indtl@program
+  \indtl@dokey\indtl@options
+  \indtl@dokey\indtl@columns
+  \indtl@dokey\indtl@columnsep
+  \ifKV@indtl@noautomatic
+    \addto@hook\toks@{\KV@indtl@noautomatictrue}%
+  \else
+    \addto@hook\toks@{\KV@indtl@noautomaticfalse}%
+  \fi
+  \ifKV@indtl@intoc
+    \addto@hook\toks@{\KV@indtl@intoctrue}%
+  \else
+    \addto@hook\toks@{\KV@indtl@intocfalse}%
+  \fi
+  \ifKV@indtl@columnseprule
+    \addto@hook\toks@{\KV@indtl@columnsepruletrue}%
+  \else
+    \addto@hook\toks@{\KV@indtl@columnseprulefalse}%
+  \fi
+  \expandafter\edef\csname indtl@set@#1\endcsname{\the\toks@}%
+}
+%    \end{macrocode}
+% Comand \cs{indtl@dokey} receives as argument the text of the values
+% assigned to certain keys, and adds them to the options token list.
+%    \begin{macrocode}
+\def\indtl@dokey#1{%
+  \expandafter\addto@hook\expandafter\toks@\expandafter{%
+    \expandafter\def\expandafter#1\expandafter{#1}}}
+%    \end{macrocode}
+%
+% Command \cs{indtl@startidx} defines the output stream(s); the macro
+% with suffix \texttt{split} is used when \Kvalue{splitindex} is not
+% enabled, the one with suffix \texttt{unique} is used otherwise.  In
+% the case of many indices, the symbolic name for an index named
+% `pippo' is \cs{pippo@idxfile} corresponding to the file
+% \texttt{pippo.idx}. When \Kvalue{splitindex} is enabled, the only
+% output stream is called \cs{@indexfile} as in standard \LaTeX,
+% corresponding to \cs{jobname.idx}.
+%    \begin{macrocode}
+\def\indtl@startidxsplit#1{%
+  \if@filesw
+    \def\index{\@bsphack
+      \@ifnextchar [{\@index}{\@index[\indtl@jobname]}}
+    \expandafter\newwrite\csname #1@idxfile\endcsname
+    \immediate\openout \csname #1@idxfile\endcsname #1.idx\relax
+    \typeout{Writing index file #1.idx}%
+  \fi}
+%    \end{macrocode}
+% We define a switch which is set to true when a \cs{makeindex} command is given:
+% with \Kvalue{splitindex} we open only one stream.
+%    \begin{macrocode}
+\newif\ifindtl@startedidx
+\def\indtl@startidxunique#1{%
+  \if@filesw
+    \ifindtl@startedidx\else
+      \newwrite\@indexfile
+      \immediate\openout\@indexfile\indtl@jobname.idx%
+      \global\indtl@startedidxtrue
+    \fi
+    \def\index{\@bsphack
+      \@ifnextchar [{\@index}{\@index[\indtl@jobname]}}
+    \expandafter\let\csname #1@idxfile\endcsname\@empty
+    \typeout{Started index file #1}%
+ \fi}
+%    \end{macrocode}
+%
+% ^^A D - \index 
+%
+% Provide a default definition for \cs{index}; when a \cs{makeindex}
+% command is given and \LaTeX\ is writing on auxiliary files,
+% \cs{index} will be redefined, as seen before. When index files are
+% written, \cs{index} always calls \cs{@index}. Some code is borrowed
+% from \pack{memoir.cls}, but heavily modified. We want \cs{@wrindex}
+% to be defined with two arguments, so that \pack{hyperref} can hook
+% into it just like it does with the similar commands defined by the
+% old packages \pack{multind} and \pack{index}.
+%    \begin{macrocode}
+\renewcommand{\index}[2][]{\@bsphack\@esphack}
+\def\@index[#1]{%
+  \@ifundefined{#1@idxfile}%
+  {\PackageWarning{indextools}{Undefined index file `#1'}%
+   \begingroup
+   \@sanitize
+   \indtl@nowrindex}%
+  {\edef\@idxfile{#1}%
+   \begingroup
+   \@sanitize
+   \@wrindex\@idxfile}}
+\def\indtl@nowrindex#1{\endgroup\@esphack}
+%    \end{macrocode}
+%
+% Command \cs{@wrindex} must be duplicated; we have to call it the same as
+% usual in order to support \pack{hyperref}. But the real name will be given
+% at the end. We have to define a switch to allow the use of the
+% \pack{showidx} facilities. We define also a helper macro so as to do the
+% right thing so as to show the index file name to which a certain index
+% entry is going to be written; the idea is to prefix the index entry with
+% the actual name of the specific index, except in the case or the default
+% index, where the name is set to |\jobname|. Since the control sequence is
+% a primitive command, its value cannot be directly compared in the |\ifx|
+% sense to the current macro represented by argument |#1|. Therefore we need
+% a further helper control sequence |\indtl@jobname| that contains the value
+% assigned to |\jobname|.
+%
+% We must also take care of the case where the user wants to print the index
+% entries in the margin while working on the document. This implies testing
+% for the package \pack{showidx} being already loaded;  but this is not
+% sufficient, because the \pack{memoir} class simulates the \pack{showidx}
+% package and the test would result to be true even if the user did not load
+% that package, but uses the \pack{memoir} class.
+%
+% Therefore we use the same boolean used by \pack{memoir}, testing in advance
+% so as not redefining it; then we use it to let the \pack{showidx} true or
+% simulated macros do their job, but we also take care of resetting the switch
+% default value to false at begin document time if the \pack{memoir} class is
+% being used. 
+%
+%
+%    \begin{macrocode}
+\@ifundefined{showindexmarks}{\newif\ifshowindexmark}{}
+\@ifpackageloaded{showidx}{\showindexmarktrue}{\showindexmarkfalse}
+\newcommand\indtl@showidxentry[2]{%
+  \ifshowindexmark
+    \@showidx{\ifdefequal{\indtl@jobname}{#1}{}{[#1]\space}#2}%
+  \fi}
+\newcommand\indtl@wrindexentrysplit[3]{%
+  \expandafter\protected@write\csname#1@idxfile\endcsname{}%
+    {\string\indexentry{#2}{#3}}%
+}
+\newcommand\indtl@wrindexentryunique[3]{%
+  \protected@write\@indexfile{}%
+    {\string\indexentry[#1]{#2}{#3}}%
+}
+\def\indtl@wrindexsplit#1#2{%
+	\indtl@wrindexentrysplit{#1}{#2}{\thepage}%
+	\endgroup\indtl@showidxentry{#1}{#2}%
+  \@esphack%
+}
+\def\indtl@wrindexunique#1#2{%
+	\indtl@wrindexentryunique{#1}{#2}{\thepage}%
+	\endgroup\indtl@showidxentry{#1}{#2}%
+  \@esphack%
+  }
+%    \end{macrocode}
+%
+% ^^A E - \printindex
+%
+% Compilation of the indices is disabled if \texttt{-shell-escape} has
+% not been given or the restricted mode is not active; in this case we
+% emit a warning. \XeTeX{} has \cs{shellescape} instead of
+% \cs{pdfshellescape}, so we take care of this (hoping that users or
+% packages don't define a \cs{shellescape} command). In any case we
+% define an internal version of this command. In the case of
+% \prog{luatex} we can't emit the proper messages if \prog{luatex} is
+% not version 0.68 or later. The conditional
+% \cs{ifKV@indtl@noautomatic} is defined by \cs{define@boolkey} above.
+%
+%    \begin{macrocode}
+\def\indtl@shellwarn{}
+\ifdefined\indtl@shellescape % luatex
+\else
+  \@ifundefined{shellescape}
+    {\let\indtl@shellescape\pdfshellescape} % pdftex
+    {\let\indtl@shellescape\shellescape} % xetex
+\fi
+\ifnum\indtl@shellescape=\z@
+  \let\KV@indtl@noautomaticfalse\KV@indtl@noautomatictrue
+  \KV@indtl@noautomatictrue
+  \def\indtl@shellwarn{\MessageBreak or call \indtl@engine\space with
+    -shell-escape}
+\fi
+%    \end{macrocode}
+% Do the same if \Kvalue{noautomatic} has been given as an option.
+%    \begin{macrocode}
+\ifindtl@disableautomatic
+  \let\KV@indtl@noautomaticfalse\KV@indtl@noautomatictrue
+  \KV@indtl@noautomatictrue
+\fi
+%    \end{macrocode}
+%
+% Now we set up the \texttt{theindex} environment. If the
+% \texttt{original} option is set, we simply patch the class
+% definition in order to call the macro that does the work related to
+% the table of contents. Otherwise we define a new \texttt{theindex}
+% environment, based on the standard, but using, if the number of
+% columns is greater than one, the \texttt{multicols} environment.
+% Users needing a different setup can use the \cs{indexsetup} command.
+% Before doing so, though, we need to disable certain features if the
+% package \pack{fancyhdr} is loaded sometimes before the
+% |\begin{document| statement, be it before or after loading
+% \pack{indextools}. If that package is loaded we have to patch the
+% definition of the environment |theindex|, because its default
+% commands interfere with those defined here that work perfectly
+% when \pack{fancyhdr} is not loaded. This patching could be defined
+% further on, but if it remains close to what has to be patched, it's
+% easier to understand it's operation.
+%
+% We make this redefinition at the begining of the document, to
+% prevent redefinition by other packages, like \pack{bidi}. This
+% point is where \pack{indextools} and \pack{imakeidx} diverge.
+%    \begin{macrocode}
+\newif\ifindtl@fancyhdr
+\AtBeginDocument{%
+  \@ifpackageloaded{fancyhdr}{\indtl@fancyhdrtrue}{\indtl@fancyhdrfalse}%
+    \ifindtl@original
+     \expandafter\def\expandafter\theindex\expandafter{\expandafter
+        \indtl@maybeaddtotoc\theindex}
+    \else
+      \renewenvironment{theindex}
+        {\indtl@maybeaddtotoc
+         \indtl@indexlevel{\indexname}%
+         \ifindtl@fancyhdr\else%
+           \indtl@indexheaders%
+           \thispagestyle{\indtl@firstpagestyle}%
+         \fi%
+         \ifnum\indtl@columns>\@ne
+           \columnsep \indtl@columnsep
+           \ifx\indtl@idxprologue\relax
+             \begin{multicols}{\indtl@columns}
+           \else
+             \begin{multicols}{\indtl@columns}[\indtl@idxprologue]
+           \fi
+         \else
+           \indtl@idxprologue
+         \fi
+         \global\let\indtl@idxprologue\relax
+         \parindent\z@
+         \parskip\z@ \@plus .3\p@\relax
+         \columnseprule \ifKV@indtl@columnseprule.4\p@\else\z@\fi
+         \raggedright
+         \let\item\@idxitem
+         \indtl@othercode}
+        {\ifnum\indtl@columns>\@ne\end{multicols}\fi
+    }
+\fi
+}
+\ifindtl@original
+\else
+  \global\let\indtl@idxprologue\relax
+  \RequirePackage{multicol}
+\fi
+%    \end{macrocode}
+% The command \cs{indexsetup} may be used to customize some aspects of
+% index formatting.
+%    \begin{macrocode}
+\def\indtl@indexlevel{%
+  \@ifundefined{chapter}{\section}{\chapter}*}
+\define@key{indtlindex}{level}{\def\indtl@indexlevel{#1}}
+\def\indtl@toclevel{%
+  \@ifundefined{chapter}{section}{chapter}}
+\define@key{indtlindex}{toclevel}{\def\indtl@toclevel{#1}}
+\define@boolkey{indtlindex}{noclearpage}[true]{\let\indtl@clearpage\relax}
+\def\indtl@indexheaders{%
+  \@mkboth{\MakeUppercase\indexname}{\MakeUppercase\indexname}}
+\define@key{indtlindex}{headers}{\def\indtl@indexheaders{\markboth#1}}
+\def\indtl@firstpagestyle{plain}
+\define@key{indtlindex}{firstpagestyle}{\def\indtl@firstpagestyle{#1}}
+\let\indtl@othercode\relax
+\define@key{indtlindex}{othercode}{\def\indtl@othercode{#1}}
+\newcommand{\indexsetup}[1]{%
+  \ifindtl@original\else\setkeys{indtlindex}{#1}\fi}
+\@onlypreamble\indexsetup
+%    \end{macrocode}
+%
+% The command \cs{indexprologue} sets the internal version which is
+% always \cs{let} to \cs{relax} during |\begin{theindex}|.
+%    \begin{macrocode}
+\newcommand{\indexprologue}[2][\bigskip]{%
+  \long\gdef\indtl@idxprologue{{#2\par}#1}}
+%    \end{macrocode}
+%
+% Now we provide the relevant \cs{printindex} macros by transferring
+% the real job to a secondary macro \cs{indtl@putindex} after due
+% checks and messages.
+%    \begin{macrocode}
+\providecommand*{\printindex}{}
+\renewcommand*{\printindex}[1][\indtl@jobname]{%
+  \@ifundefined{#1@idxfile}{\indtl@error{#1}}{\indtl@putindex{#1}}}
+
+\def\indtl@error#1{%
+  \def\@tempa{#1}\def\@tempb{\indtl@jobname}%
+  \ifx\@tempa\@tempb
+    \let\indtl@optarg\@empty
+  \else
+    \def\indtl@optarg{[#1]}%
+  \fi
+  \PackageError{indextools}
+    {Misplaced \protect\printindex\indtl@optarg}
+    {You are not making this index, as no appropriate
+     \protect\makeindex\MessageBreak
+     command has been issued in the preamble.}}
+%    \end{macrocode}
+%
+% We define a command to do a \cs{cleardoublepage} if the option
+% \Kvalue{openright} is active (in classes where \Kvalue{twoside} is
+% meaningful).  In case \cs{chapter} is defined but not
+% \cs{if@openright}, we assume that the class wants ``open right''.
+%    \begin{macrocode}
+\def\indtl@clearpage{%
+  \@ifundefined{chapter}
+    {\clearpage} % article and similar classes
+    {\@ifundefined{if@openright}
+       {\cleardoublepage}
+       {\if@openright
+          \cleardoublepage
+        \else
+          \clearpage
+       \fi}
+    }}
+%    \end{macrocode}
+%
+% We need a helper macro to do a check in order to avoid a loop and
+% the hook where to insert the table of contents related stuff.
+%    \begin{macrocode}
+\def\indtl@check@indexname{\indexname}
+\providecommand*\indtl@maybeaddtotoc{}
+%    \end{macrocode}
+% Two helper macros for preparing the final messages to the user.
+%    \begin{macrocode}
+\def\indtl@finalmessage#1{%
+  \expandafter\edef\csname indtl@message#1\endcsname
+    {\indtl@program\indtl@options#1.idx}
+  \AtEndDocument{\PackageWarning{indextools}{%
+    Remember to run \indtl@engine\space again after calling\MessageBreak
+    `\@nameuse{indtl@message#1}'\indtl@shellwarn\@gobble}}}
+\def\indtl@splitindexmessage{%
+  \AtEndDocument{\PackageWarningNoLine{indextools}{%
+    Remember to run \indtl@engine\space again after calling\MessageBreak
+    `splitindex' and processing the indices\indtl@shellwarn}}}
+%    \end{macrocode}
+%
+% Here is a helper macro for deciding whether to call the external
+% utility or to issue a final message. In \cs{indtl@makeindexname} we
+% put the name of the only program allowed by default
+% (\prog{makeindex}). If the list is updated, we can supplement the
+% list here, maybe defining a list macro; for now this is
+% sufficient. The temporary switch \cs{if@tempswa} is set to true if
+% automatic processing is possible, so that the main macro can take
+% the appropriate action.
+%    \begin{macrocode}
+\def\indtl@makeindexname{makeindex}
+\def\indtl@decide{%
+  \@tempswafalse
+  \ifindtl@splitindex % splitindex is not "safe"
+    \ifnum\indtl@shellescape=\@ne\@tempswatrue\fi
+  \else
+    \ifx\indtl@program\indtl@makeindexname % nor is texindy
+      \ifnum\indtl@shellescape=\tw@\@tempswatrue\fi
+    \fi
+    \ifnum\indtl@shellescape=\@ne\@tempswatrue\fi
+  \fi
+  \ifKV@indtl@noautomatic
+    \@tempswafalse
+  \fi}
+%    \end{macrocode}
+% We now define the main macro that puts the specified index file into
+% the document and possibly orders to add the index title to the
+% table of contents. It is duplicated as usual. The argument |#1| is
+% the specific symbolic name of the index.  In particular if the
+% \Kvalue{intoc} option has been specified, the hook
+% \cs{indtl@maybeaddtotoc} is defined in such a way that the relevant
+% information is added to the \texttt{toc} file. The
+% \cs{phantomsection} command is necessary when using \pack{hyperref};
+% here it is hidden as argument to \cs{@nameuse}, so it is equivalent
+% to \cs{relax} and does nothing if \pack{hyperref} has not been
+% loaded.
+%    \begin{macrocode}
+\def\indtl@putindexsplit#1{%
+  \ifindtl@nonewpage\else
+    \indtl@clearpage
+  \fi
+  \immediate\closeout\csname #1@idxfile\endcsname
+  \let\indtl@indexname\indexname % keep \indexname
+  \@nameuse{indtl@set@#1}\indtl@decide
+  \if@tempswa % we can call the external program
+    \indtl@exec{\indtl@program\indtl@options#1.idx}%
+  \else
+    \indtl@finalmessage{#1}%
+  \fi
+  \ifKV@indtl@intoc
+    \def\indtl@maybeaddtotoc{\@nameuse{phantomsection}%
+      \addcontentsline{toc}{\indtl@toclevel}{\indtl@title}}%
+  \else
+    \def\indtl@maybeaddtotoc{}%
+  \fi
+  \ifx\indtl@title\indtl@check@indexname\else
+    \def\indexname{\indtl@title}%
+  \fi
+  \@input@{#1.ind}
+  \let\indexname\indtl@indexname % restore \indexname
+}
+
+\newif\ifindtl@splitdone
+\def\indtl@putindexunique#1{%
+  \ifindtl@nonewpage\else
+    \indtl@clearpage
+  \fi
+  \let\indtl@indexname\indexname % keep \indexname
+  \@nameuse{indtl@set@#1}\indtl@decide
+  \if@tempswa % we can call the external program
+    \ifindtl@splitdone\else
+      \immediate\closeout\@indexfile
+      \indtl@exec{splitindex \indtl@splitindexoptions\space\indtl@jobname.idx}%
+      \global\indtl@splitdonetrue
+    \fi
+  \else
+    \ifindtl@splitdone\else
+      \indtl@splitindexmessage\global\indtl@splitdonetrue
+    \fi
+  \fi
+  \if@tempswa % we can call the external program
+    \indtl@exec{\indtl@program\indtl@options\indtl@jobname-#1.idx}%
+  \fi
+  \ifKV@indtl@intoc
+    \def\indtl@maybeaddtotoc{\@nameuse{phantomsection}%
+      \addcontentsline{toc}{\indtl@toclevel}{\indtl@title}}%
+  \else
+    \def\indtl@maybeaddtotoc{}%
+  \fi
+  \ifx\indtl@title\indtl@check@indexname\else
+    \def\indexname{\indtl@title}%
+  \fi
+  \@input@{\indtl@jobname-#1.ind}
+  \let\indexname\indtl@indexname % restore \indexname
+}
+%    \end{macrocode}
+%
+% ^^A F - Final decisions
+%
+% At this point, we choose the meaning of the relevant commands,
+% reclaiming the space occupied by the discarded ones
+%    \begin{macrocode}
+\ifindtl@splitindex
+  \let\indtl@startidx\indtl@startidxunique
+  \let\@wrindex\indtl@wrindexunique
+  \let\indtl@putindex\indtl@putindexunique
+  \let\indtl@wrindexentry\indtl@wrindexentryunique
+  \let\indtl@startidxsplit\@undefined
+  \let\indtl@wrindexsplit\@undefined
+  \let\indtl@putindexsplit\@undefined
+\else
+  \let\indtl@startidx\indtl@startidxsplit
+  \let\@wrindex\indtl@wrindexsplit
+  \let\indtl@putindex\indtl@putindexsplit
+  \let\indtl@wrindexentry\indtl@wrindexentrysplit
+  \let\indtl@startidxunique\@undefined
+  \let\indtl@wrindexunique\@undefined
+  \let\indtl@putindexunique\@undefined
+\fi
+%    \end{macrocode}
+% To end the code, we deal with \pack{memoir}:
+%    \begin{macrocode}
+\@ifclassloaded{memoir}{\let\@wrindexm@m\@wrindex
+   \AtBeginDocument{\hideindexmarks}}{}
+%    \end{macrocode}
+%\iffalse
+%</package>
+%\fi
+% The end.
+% \Finale
diff --git a/Master/texmf-dist/tex/latex/indextools/indextools.sty b/Master/texmf-dist/tex/latex/indextools/indextools.sty
new file mode 100644
index 00000000000..8422828155a
--- /dev/null
+++ b/Master/texmf-dist/tex/latex/indextools/indextools.sty
@@ -0,0 +1,424 @@
+%%
+%% This is file `indextools.sty',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% indextools.dtx  (with options: `package')
+%%   ___________________________________________________________
+%%   The indextools package for LaTeX
+%%   Copyright (C) 2010-2013 Enrico Gregorio
+%%   Copyright (C) 2014-* Maïeul Roquette
+%%   All rights reserved
+%% 
+%%   License information appended
+%% 
+\NeedsTeXFormat{LaTeX2e}[2005/12/01]
+\ProvidesPackage{indextools}%
+   [2015/01/23 v1.4 Package for typesetting indices in a synchronous mode]
+
+
+
+
+\RequirePackage{xkeyval}
+\DeclareOption{xindy}{\def\indtl@progdefault{texindy}}
+\DeclareOption{texindy}{\def\indtl@progdefault{texindy}}
+\DeclareOption{truexindy}{\def\indtl@progdefault{truexindy}}
+\DeclareOption{makeindex}{\def\indtl@progdefault{makeindex}}
+\newif\ifindtl@disableautomatic
+\DeclareOption{noautomatic}{\indtl@disableautomatictrue}
+\newif\ifindtl@nonewpage
+\DeclareOption{nonewpage}{%
+  \indtl@nonewpagetrue\indtl@disableautomatictrue
+}
+\newif\ifindtl@splitindex
+\DeclareOption{splitindex}{\indtl@splitindextrue}
+\newif\ifindtl@original
+\DeclareOption{original}{\indtl@originaltrue}
+\DeclareOption{quiet}{\AtEndOfPackage{%
+  \let\indtl@finalmessage\@gobble
+  \let\indtl@splitindexmessage\relax}}
+\ExecuteOptions{makeindex}
+\ProcessOptions\relax
+
+\if@twocolumn\indtl@originaltrue\fi
+\def\indtl@exec{\immediate\write18}
+\def\indtl@engine{(pdf)latex}
+\RequirePackage{ifxetex,ifluatex}
+\ifxetex\def\indtl@engine{xelatex}\fi
+\ifluatex % luatex doesn't have \(pdf)shellescape
+ \def\indtl@engine{lualatex}
+  \ifnum\luatexversion<68
+    \chardef\indtl@shellescape\@ne % no way to know the value
+  \else
+    \RequirePackage{pdftexcmds} % provides \pdf@shellescape
+    \chardef\indtl@shellescape\pdf@shellescape
+  \fi
+  \let\indtl@exec\pdf@system
+\fi
+\RequirePackage{xpatch}
+\edef\indtl@splitindexoptions{-m \string"\string"}
+\def\splitindexoptions#1{\g@addto@macro\indtl@splitindexoptions{ #1}}
+\@onlypreamble\splitindexoptions
+\@namedef{ver@makeidx.sty}{3000/12/31}
+\@ifpackageloaded{multind}
+  {\PackageError{indextools}{Incompatible package `multind' loaded}
+    {This package is incompatible with multind, don't load both.%
+     \MessageBreak\@ehc}}
+  {\@namedef{ver@multind.sty}{3000/12/31}}
+
+\@ifpackageloaded{imakeidx}
+  {\PackageError{indextools}{Incompatible package `imakeidx' loaded}
+    {This package is incompatible with imakeidx, don't load both.%
+     \MessageBreak\@ehc}}
+  {\@namedef{ver@imakeidx.sty}{3000/12/31}}
+\providecommand*\see[2]{\emph{\seename} #1}
+\providecommand*\seealso[2]{\emph{\alsoname} #1}
+\providecommand*\seename{see}
+\providecommand*\alsoname{see also}
+\providecommand*\makeindex{} % to use \renewcommand safely
+\renewcommand{\makeindex}[1][]{\indtl@makeindex{#1}}
+\def\indtl@makeindex#1{%
+  \edef\indtl@name{\jobname}%
+  \edef\indtl@jobname{\jobname}%
+  \def\indtl@title{\indexname}%
+  \edef\indtl@program{\indtl@progdefault}%
+  \let\indtl@options\space
+  \KV@indtl@noautomaticfalse\KV@indtl@intocfalse
+  \setkeys{indtl}{#1}%
+  \ifindtl@splitindex\KV@indtl@noautomaticfalse\fi
+  \indtl@build\indtl@name
+  \indtl@startidx\indtl@name
+  \indtl@resetdefaults
+}
+\define@key{indtl}{name}{\def\indtl@name{#1}}
+\define@key{indtl}{title}{\def\indtl@title{#1}}
+\define@choicekey{indtl}{program}[\indtl@val\indtl@nr]
+  {makeindex,xindy,texindy,truexindy}{%
+    \ifcase\indtl@nr\relax
+      \def\indtl@program{makeindex}%
+    \or
+      \def\indtl@program{texindy}%
+    \or
+      \def\indtl@program{texindy}%
+    \or
+      \def\indtl@program{xindy}%
+    \fi}
+\define@key{indtl}{options}{\def\indtl@options{ #1 }}
+\define@boolkey{indtl}{noautomatic}[true]{}
+\define@boolkey{indtl}{intoc}[true]{}
+\define@key{indtl}{columns}{\def\indtl@columns{#1}}
+\define@key{indtl}{columnsep}{\def\indtl@columnsep{#1}}
+\define@boolkey{indtl}{columnseprule}[true]{}
+\def\indtl@resetdefaults{%
+  \def\indtl@options{ }%
+  \def\indtl@columns{2}\def\indtl@columnsep{35\p@}%
+  \KV@indtl@columnseprulefalse
+  \KV@indtl@intocfalse\KV@indtl@noautomaticfalse}
+\indtl@resetdefaults
+\def\indtl@build#1{%
+  \toks@{}%
+  \indtl@dokey\indtl@title
+  \indtl@dokey\indtl@program
+  \indtl@dokey\indtl@options
+  \indtl@dokey\indtl@columns
+  \indtl@dokey\indtl@columnsep
+  \ifKV@indtl@noautomatic
+    \addto@hook\toks@{\KV@indtl@noautomatictrue}%
+  \else
+    \addto@hook\toks@{\KV@indtl@noautomaticfalse}%
+  \fi
+  \ifKV@indtl@intoc
+    \addto@hook\toks@{\KV@indtl@intoctrue}%
+  \else
+    \addto@hook\toks@{\KV@indtl@intocfalse}%
+  \fi
+  \ifKV@indtl@columnseprule
+    \addto@hook\toks@{\KV@indtl@columnsepruletrue}%
+  \else
+    \addto@hook\toks@{\KV@indtl@columnseprulefalse}%
+  \fi
+  \expandafter\edef\csname indtl@set@#1\endcsname{\the\toks@}%
+}
+\def\indtl@dokey#1{%
+  \expandafter\addto@hook\expandafter\toks@\expandafter{%
+    \expandafter\def\expandafter#1\expandafter{#1}}}
+\def\indtl@startidxsplit#1{%
+  \if@filesw
+    \def\index{\@bsphack
+      \@ifnextchar [{\@index}{\@index[\indtl@jobname]}}
+    \expandafter\newwrite\csname #1@idxfile\endcsname
+    \immediate\openout \csname #1@idxfile\endcsname #1.idx\relax
+    \typeout{Writing index file #1.idx}%
+  \fi}
+\newif\ifindtl@startedidx
+\def\indtl@startidxunique#1{%
+  \if@filesw
+    \ifindtl@startedidx\else
+      \newwrite\@indexfile
+      \immediate\openout\@indexfile\indtl@jobname.idx%
+      \global\indtl@startedidxtrue
+    \fi
+    \def\index{\@bsphack
+      \@ifnextchar [{\@index}{\@index[\indtl@jobname]}}
+    \expandafter\let\csname #1@idxfile\endcsname\@empty
+    \typeout{Started index file #1}%
+ \fi}
+\renewcommand{\index}[2][]{\@bsphack\@esphack}
+\def\@index[#1]{%
+  \@ifundefined{#1@idxfile}%
+  {\PackageWarning{indextools}{Undefined index file `#1'}%
+   \begingroup
+   \@sanitize
+   \indtl@nowrindex}%
+  {\edef\@idxfile{#1}%
+   \begingroup
+   \@sanitize
+   \@wrindex\@idxfile}}
+\def\indtl@nowrindex#1{\endgroup\@esphack}
+\@ifundefined{showindexmarks}{\newif\ifshowindexmark}{}
+\@ifpackageloaded{showidx}{\showindexmarktrue}{\showindexmarkfalse}
+\newcommand\indtl@showidxentry[2]{%
+  \ifshowindexmark
+    \@showidx{\ifdefequal{\indtl@jobname}{#1}{}{[#1]\space}#2}%
+  \fi}
+\newcommand\indtl@wrindexentrysplit[3]{%
+  \expandafter\protected@write\csname#1@idxfile\endcsname{}%
+    {\string\indexentry{#2}{#3}}%
+}
+\newcommand\indtl@wrindexentryunique[3]{%
+  \protected@write\@indexfile{}%
+    {\string\indexentry[#1]{#2}{#3}}%
+}
+\def\indtl@wrindexsplit#1#2{%
+\indtl@wrindexentrysplit{#1}{#2}{\thepage}%
+\endgroup\indtl@showidxentry{#1}{#2}%
+  \@esphack%
+}
+\def\indtl@wrindexunique#1#2{%
+\indtl@wrindexentryunique{#1}{#2}{\thepage}%
+\endgroup\indtl@showidxentry{#1}{#2}%
+  \@esphack%
+  }
+\def\indtl@shellwarn{}
+\ifdefined\indtl@shellescape % luatex
+\else
+  \@ifundefined{shellescape}
+    {\let\indtl@shellescape\pdfshellescape} % pdftex
+    {\let\indtl@shellescape\shellescape} % xetex
+\fi
+\ifnum\indtl@shellescape=\z@
+  \let\KV@indtl@noautomaticfalse\KV@indtl@noautomatictrue
+  \KV@indtl@noautomatictrue
+  \def\indtl@shellwarn{\MessageBreak or call \indtl@engine\space with
+    -shell-escape}
+\fi
+\ifindtl@disableautomatic
+  \let\KV@indtl@noautomaticfalse\KV@indtl@noautomatictrue
+  \KV@indtl@noautomatictrue
+\fi
+\newif\ifindtl@fancyhdr
+\AtBeginDocument{%
+  \@ifpackageloaded{fancyhdr}{\indtl@fancyhdrtrue}{\indtl@fancyhdrfalse}%
+    \ifindtl@original
+     \expandafter\def\expandafter\theindex\expandafter{\expandafter
+        \indtl@maybeaddtotoc\theindex}
+    \else
+      \renewenvironment{theindex}
+        {\indtl@maybeaddtotoc
+         \indtl@indexlevel{\indexname}%
+         \ifindtl@fancyhdr\else%
+           \indtl@indexheaders%
+           \thispagestyle{\indtl@firstpagestyle}%
+         \fi%
+         \ifnum\indtl@columns>\@ne
+           \columnsep \indtl@columnsep
+           \ifx\indtl@idxprologue\relax
+             \begin{multicols}{\indtl@columns}
+           \else
+             \begin{multicols}{\indtl@columns}[\indtl@idxprologue]
+           \fi
+         \else
+           \indtl@idxprologue
+         \fi
+         \global\let\indtl@idxprologue\relax
+         \parindent\z@
+         \parskip\z@ \@plus .3\p@\relax
+         \columnseprule \ifKV@indtl@columnseprule.4\p@\else\z@\fi
+         \raggedright
+         \let\item\@idxitem
+         \indtl@othercode}
+        {\ifnum\indtl@columns>\@ne\end{multicols}\fi
+    }
+\fi
+}
+\ifindtl@original
+\else
+  \global\let\indtl@idxprologue\relax
+  \RequirePackage{multicol}
+\fi
+\def\indtl@indexlevel{%
+  \@ifundefined{chapter}{\section}{\chapter}*}
+\define@key{indtlindex}{level}{\def\indtl@indexlevel{#1}}
+\def\indtl@toclevel{%
+  \@ifundefined{chapter}{section}{chapter}}
+\define@key{indtlindex}{toclevel}{\def\indtl@toclevel{#1}}
+\define@boolkey{indtlindex}{noclearpage}[true]{\let\indtl@clearpage\relax}
+\def\indtl@indexheaders{%
+  \@mkboth{\MakeUppercase\indexname}{\MakeUppercase\indexname}}
+\define@key{indtlindex}{headers}{\def\indtl@indexheaders{\markboth#1}}
+\def\indtl@firstpagestyle{plain}
+\define@key{indtlindex}{firstpagestyle}{\def\indtl@firstpagestyle{#1}}
+\let\indtl@othercode\relax
+\define@key{indtlindex}{othercode}{\def\indtl@othercode{#1}}
+\newcommand{\indexsetup}[1]{%
+  \ifindtl@original\else\setkeys{indtlindex}{#1}\fi}
+\@onlypreamble\indexsetup
+\newcommand{\indexprologue}[2][\bigskip]{%
+  \long\gdef\indtl@idxprologue{{#2\par}#1}}
+\providecommand*{\printindex}{}
+\renewcommand*{\printindex}[1][\indtl@jobname]{%
+  \@ifundefined{#1@idxfile}{\indtl@error{#1}}{\indtl@putindex{#1}}}
+
+\def\indtl@error#1{%
+  \def\@tempa{#1}\def\@tempb{\indtl@jobname}%
+  \ifx\@tempa\@tempb
+    \let\indtl@optarg\@empty
+  \else
+    \def\indtl@optarg{[#1]}%
+  \fi
+  \PackageError{indextools}
+    {Misplaced \protect\printindex\indtl@optarg}
+    {You are not making this index, as no appropriate
+     \protect\makeindex\MessageBreak
+     command has been issued in the preamble.}}
+\def\indtl@clearpage{%
+  \@ifundefined{chapter}
+    {\clearpage} % article and similar classes
+    {\@ifundefined{if@openright}
+       {\cleardoublepage}
+       {\if@openright
+          \cleardoublepage
+        \else
+          \clearpage
+       \fi}
+    }}
+\def\indtl@check@indexname{\indexname}
+\providecommand*\indtl@maybeaddtotoc{}
+\def\indtl@finalmessage#1{%
+  \expandafter\edef\csname indtl@message#1\endcsname
+    {\indtl@program\indtl@options#1.idx}
+  \AtEndDocument{\PackageWarning{indextools}{%
+    Remember to run \indtl@engine\space again after calling\MessageBreak
+    `\@nameuse{indtl@message#1}'\indtl@shellwarn\@gobble}}}
+\def\indtl@splitindexmessage{%
+  \AtEndDocument{\PackageWarningNoLine{indextools}{%
+    Remember to run \indtl@engine\space again after calling\MessageBreak
+    `splitindex' and processing the indices\indtl@shellwarn}}}
+\def\indtl@makeindexname{makeindex}
+\def\indtl@decide{%
+  \@tempswafalse
+  \ifindtl@splitindex % splitindex is not "safe"
+    \ifnum\indtl@shellescape=\@ne\@tempswatrue\fi
+  \else
+    \ifx\indtl@program\indtl@makeindexname % nor is texindy
+      \ifnum\indtl@shellescape=\tw@\@tempswatrue\fi
+    \fi
+    \ifnum\indtl@shellescape=\@ne\@tempswatrue\fi
+  \fi
+  \ifKV@indtl@noautomatic
+    \@tempswafalse
+  \fi}
+\def\indtl@putindexsplit#1{%
+  \ifindtl@nonewpage\else
+    \indtl@clearpage
+  \fi
+  \immediate\closeout\csname #1@idxfile\endcsname
+  \let\indtl@indexname\indexname % keep \indexname
+  \@nameuse{indtl@set@#1}\indtl@decide
+  \if@tempswa % we can call the external program
+    \indtl@exec{\indtl@program\indtl@options#1.idx}%
+  \else
+    \indtl@finalmessage{#1}%
+  \fi
+  \ifKV@indtl@intoc
+    \def\indtl@maybeaddtotoc{\@nameuse{phantomsection}%
+      \addcontentsline{toc}{\indtl@toclevel}{\indtl@title}}%
+  \else
+    \def\indtl@maybeaddtotoc{}%
+  \fi
+  \ifx\indtl@title\indtl@check@indexname\else
+    \def\indexname{\indtl@title}%
+  \fi
+  \@input@{#1.ind}
+  \let\indexname\indtl@indexname % restore \indexname
+}
+
+\newif\ifindtl@splitdone
+\def\indtl@putindexunique#1{%
+  \ifindtl@nonewpage\else
+    \indtl@clearpage
+  \fi
+  \let\indtl@indexname\indexname % keep \indexname
+  \@nameuse{indtl@set@#1}\indtl@decide
+  \if@tempswa % we can call the external program
+    \ifindtl@splitdone\else
+      \immediate\closeout\@indexfile
+      \indtl@exec{splitindex \indtl@splitindexoptions\space\indtl@jobname.idx}%
+      \global\indtl@splitdonetrue
+    \fi
+  \else
+    \ifindtl@splitdone\else
+      \indtl@splitindexmessage\global\indtl@splitdonetrue
+    \fi
+  \fi
+  \if@tempswa % we can call the external program
+    \indtl@exec{\indtl@program\indtl@options\indtl@jobname-#1.idx}%
+  \fi
+  \ifKV@indtl@intoc
+    \def\indtl@maybeaddtotoc{\@nameuse{phantomsection}%
+      \addcontentsline{toc}{\indtl@toclevel}{\indtl@title}}%
+  \else
+    \def\indtl@maybeaddtotoc{}%
+  \fi
+  \ifx\indtl@title\indtl@check@indexname\else
+    \def\indexname{\indtl@title}%
+  \fi
+  \@input@{\indtl@jobname-#1.ind}
+  \let\indexname\indtl@indexname % restore \indexname
+}
+\ifindtl@splitindex
+  \let\indtl@startidx\indtl@startidxunique
+  \let\@wrindex\indtl@wrindexunique
+  \let\indtl@putindex\indtl@putindexunique
+  \let\indtl@wrindexentry\indtl@wrindexentryunique
+  \let\indtl@startidxsplit\@undefined
+  \let\indtl@wrindexsplit\@undefined
+  \let\indtl@putindexsplit\@undefined
+\else
+  \let\indtl@startidx\indtl@startidxsplit
+  \let\@wrindex\indtl@wrindexsplit
+  \let\indtl@putindex\indtl@putindexsplit
+  \let\indtl@wrindexentry\indtl@wrindexentrysplit
+  \let\indtl@startidxunique\@undefined
+  \let\indtl@wrindexunique\@undefined
+  \let\indtl@putindexunique\@undefined
+\fi
+\@ifclassloaded{memoir}{\let\@wrindexm@m\@wrindex
+   \AtBeginDocument{\hideindexmarks}}{}
+%% 
+%% Copyright 2010--2013 Enrico Gregorio <Enrico dot Gregorio at univr dot it>
+%% 
+%% Copyright 2014 Maïeul Rouquette <maieul at maieul dot it>
+%% 
+%% Distributable under the LaTeX Project Public License,
+%% version 1.3c or higher (your choice). The latest version of
+%% this license is at: http://www.latex-project.org/lppl.txt
+%% 
+%% This work is "author-maintained"
+%% 
+%% This work consists of this file indextools.dtx, a README file
+%% and the derived files indextools.sty and indextools.pdf.
+%% 
+%%
+%% End of file `indextools.sty'.