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authorKarl Berry <karl@freefriends.org>2009-11-23 00:13:16 +0000
committerKarl Berry <karl@freefriends.org>2009-11-23 00:13:16 +0000
commit9894274e08da408ed8b6f3461c71bf89cfe6763a (patch)
treeba12b7a12347408d56d85662a2457faaa74ba60b /Master/texmf-dist/source/latex/listofsymbols
parent6106e23b15a73668b37291685fe60ae3a64e58db (diff)
listofsymbols restored, dtx and all (22nov09)
git-svn-id: svn://tug.org/texlive/trunk@16134 c570f23f-e606-0410-a88d-b1316a301751
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+% \title{The \verb|listofsymbols.sty| package (v0.2)}
+% \author{Stefan Spreng}
+% \date{August 2003}
+% \maketitle
+%
+%\newcommand{\ar}[1]{{\sl #1}}
+%\setlength{\parindent}{0cm}
+%\setlength{\parskip}{1.5ex plus0.5ex minus0.3ex}
+%
+%\begin{abstract}
+% \verb|listofsymbols| provides commands to (a) automatically create a list of
+% symbols (also called notation or nomenclature) and (b)
+% handle symbols logically, i.e. use a command that is expanded to the
+% desired output rather than `hardcoding' the output into the text.
+%
+% This helps to ensure consistency throughout the text, especially if
+% there is a chance that symbols will be changed at some stage.
+% Additionally, you can keep all definitions of symbols in a separate file.
+%
+% This package is more or less a combination of what the packages
+% \verb|nomencl.sty| and \verb|formula.sty| do. The concept of
+% creating the list of symbols, though, is different from the way
+% \verb|nomencl.sty| does it.
+%\end{abstract}
+%
+%\tableofcontents
+%
+%\newpage
+%
+%\section{User Interface}
+%
+%\subsection{Options}
+%
+%\begin{description}
+%\item[draft] Default.
+%\item[final] Removes the macronames from the lists. Symbols that are
+% not used in the document are omitted from the List of Symbols and
+% from the List of Subscripts.
+%\item[Final] Similar to \verb|final|. The difference is that the
+% \verb|.sym| and \verb|.sub| files are not changed any more. Use this
+% mode when your document is ready and you have sorted the \verb|.sym|
+% and \verb|.sub| files manually.
+%\item[nomencl] Typesetting the list of symbols with the package
+% \verb|nomencl| (symbols and subscripts are in one list). With this
+% option, the macros described in this documentation call the
+% appropriate commands that \verb|nomencl.sty| provides. See the
+% documentation of \verb|nomencl.sty| for details of the layout.
+%\item[nopageno] Default.
+%\item[pageno] Inserts the number of the page on which a symbol or
+% subscript is defined.
+%\item[usexspace] Default. Uses the package \verb|xspace| to insert an
+% `intelligent' space after the commands.
+%\item[noxspace] Do not load package \verb|xspace|. In this case a
+% command must by followed by a backslash and a space if you want a
+% space in the output (This is the LaTeX standard).
+%\end{description}
+%
+%You can use only one of the options \verb|draft|, \verb|final|,
+%\verb|Final| or \verb|nomencl| and only one of the options
+%\verb|nopageno| or \verb|pageno|.
+%
+%\subsection{Macros}
+%
+%\DescribeMacro{\opensymdef} \DescribeMacro{\closeymdef} All
+%\verb|\newsym| and \verb|\newsub| commands must be between the commands
+%\verb|\opensymdef| and \verb|\closesymdef|. A \verb|\listofsymbols| or a
+%\verb|\listofsubscripts| must be outside the region enclosed by these
+%commands. Otherwise you will get errors. See section
+%\ref{sec:examples} for examples.
+%
+%\DescribeMacro{\newsym}
+%The macro \verb|\newsym| assigns the desired output of a symbol or
+%variable to a macro which can thereafter be used like any other macro.
+%\verb|\newsym| takes one optional argument and two mandatory arguments.
+%\begin{quote}
+%\verb|\newsym[| \ar{description} \verb|]{| \ar{macroname} \verb|}{| \ar{output} \verb|}|
+%\end{quote}
+%The optional argument is the description that will appear in the list of symbols.
+%The first mandatory argument is the name of the macro and the second mandatory
+%argument is the desired output. Note that the definition of \verb|\newsym| includes
+%\ar{output} in a \verb|\ensuremath{}| command.
+%If there is no \ar{description} then the symbol is included in the list of symbols in
+%\verb|draft| mode, but not in \verb|final| mode.
+%
+%Examples can be found in section \ref{sec:examples}.
+%You will probably notice that all the macros start with \verb|sym|. That's because
+%I think that this makes it easier to distinguish between symbols and other
+%macros you define in a document. Personally, I use a \verb|y| and an
+%\verb|s| as the first characters to indicate that a command is a symbol or
+%a subscript, it's shorter \ldots
+%
+%The description of a macro can be accessed with \verb|doc| appended to
+%the macroname. A string that can be used inside a \verb|tabular|
+%environment can be obtained by appending \verb|tabdoc| to the
+%command. If \verb|tabdoc| is appended, then the macro expands to\\
+%\ar{output}\verb| & |\ar{description}
+%
+%Example:
+%\begin{verbatim}
+%\newsym[Energy]{symE}{E}
+%The symbol \symE means \symEdoc
+
+%\begin{tabular}{ll}
+%Symbol&Description\\
+%\symEtabdoc\\
+%\end{tabular}
+%\end{verbatim}
+%
+%
+%\DescribeMacro{\newsub}
+%The macro \verb|\newsub| creates a subscript much in the same way as \verb|\newsym|
+%creates a symbol. The syntax is
+%\begin{quote}
+%\verb|\newsub[| \ar{description} \verb|]{| \ar{subscriptname} \verb|}{| \ar{output} \verb|}|
+%\end{quote}
+%
+%\DescribeMacro{\subsep}
+%The macro \verb|\subsep| separates two subscripts and thus avoids a
+%LaTeX error. Its syntax is
+%\begin{quote}
+%\verb|\subsep[| \ar{separator} \verb|]|
+%\end{quote}
+%By default, the \ar{separator} is empty, i.e. the second subscript
+%simply follows the first one.
+%
+%If you want to use a subscript after a symbol that does not have a
+%subscript yet, simply put if after the symbol,
+%e.g. \verb|\symx\suby|. If the symbol already has a subscript, you
+%have to put a \verb|\subsep| in front of the subscript. In regular
+%text, you should enclose such a
+%construct with \verb|$|'s to avoid space between the symbol and the
+%subscript.
+%
+%Example:
+%
+%\begin{verbatim}
+%\newsym{symx}{x}
+%\newsym{syma}{a_b}
+%\newsub{suby}{y}
+%\newsub{subz}{z}
+%
+%Usage: $\symx\suby$
+%Or: $\symx\suby\subsep\subz$
+%Finally: $\symx\suby\subsep[,]\subz$
+%
+%In an equation:
+%\[ \symx\suby = \syma\subsep[,]\suby \]
+%\end{verbatim}
+%
+%\DescribeMacro{\listofsymbols}
+%The command \verb|\listofsymbols| generates a list of the symbols,
+%that were created with \verb|\newsym|. The symbols are not sorted. You
+%have to do that manually by sorting the lines in the \verb|.sym| and
+%\verb|.sub| files, for example with an editor or a
+%spreadsheet. Once you have sorted the symbols and do not want to have
+%the files changed any more, use the \verb|Final| mode. Before using
+%the \verb|Final| mode, you must compile the document at least once in
+%\verb|final| mode to get the proper \verb|.sym| and \verb|.sub|
+%files.
+%
+%A typical sequence would be
+%
+%\begin{itemize}
+%\item Compile in \verb|draft| mode (as often as you want)
+%\item Compile in \verb|final| mode (at least once)
+%\item Sort and edit the \verb|.sym| and \verb|.sub| files
+%\item Compile in \verb|Final| mode (as often as you want). If you add
+% new symbol or subscript definitions now, they will not appear in the
+% list of symbols or subscripts. If you use \verb|draft| or
+% \verb|final| mode now, the edited version of the \verb|.sym| and
+% \verb|.sub| files will be overwritten.
+%\end{itemize}
+%
+%Note that the command \verb|\listofsymbols| {\bf must} be outside the
+%region that is enclosed by the \verb|\opensymdef| and
+%\verb|\closesymdef| commands.
+%
+%In \verb|draft| mode, which is the default, the names of the macros
+%are inlcuded in the lists. That makes it easier to keept track of the
+%macro names and the corresponding output. The number of times the symbol
+%was used in the document is given in parentheses. Symbols that do not have a
+%\ar{description} are included in the list as well.
+%
+%In \verb|final| mode, the macro-names disappear. Symbols without a
+%\ar{description} (or an empty \ar{description}) and symbols that are not
+%used in the document are not included in the list. This allows you to keep
+%all the symbols you normally need in a separate file that contains only
+%\verb|\newsym| and \verb|\newsub| commands. This file can be included in
+%the main file, e.g. with \verb|\include| or \verb|\input|. See the
+%\verb|.log| file for information which symbols have been omitted from
+%the lists.
+%
+%The \verb|Final| mode is similar to \verb|final|. The difference is
+%that the \verb|.sym| and \verb|.sub| files are not changed. Use this
+%mode when your document is ready and you have sorted the \verb|.sym|
+%and \verb|.sub| files manually. The first pair of braces after the
+%\verb|\printsymline| in a line of
+%the \verb|.sym| and \verb|.sub| files is not used by
+%\verb|listofsymbols|. You can use it for example to help the sorting
+%process.
+%
+%Example: It is valid to change the line\\
+%\verb|\printsymline{\ell}{\ell}{syml}{Length}{1}|\\
+%manually into\\
+%\verb|\printsymline{l}{\ell}{syml}{Length}{1}|
+%
+%In \verb|nomencl| mode the glossary has to be generated manually, for example by entering\\
+%\verb| makeindex| \ar{filename}\verb|.glo -s nomencl.ist -o| \ar{filename}\verb|.gls|\\
+%at the command line. Read the documentation of the \verb|nomencl|
+%package for more information.
+%
+%\DescribeMacro{\symwidth}
+%The length \verb|\symwidth| is the space reserved for the
+%symbol on the left side of each line and is by default set to 2.5\,cm.
+%If you have long symbols you may have to change that, for example with\\
+%\verb| \setlength{\symwidth}{3cm}|.
+%
+%\DescribeMacro{\listofsubscripts}
+%Similar to \verb|\listofsymbols|, but for the subscripts obviously.
+%
+%\DescribeMacro{\listofboth}
+%Creates both a list of symbols and a list of subscripts with the heading
+%`Notation' above them.
+%
+%\DescribeMacro{\symheadingname}
+%\DescribeMacro{\subheadingname}
+%\DescribeMacro{\bothheadingname}
+%The headings of the lists are stored in \verb|\symheadingname| and
+%\verb|\subheadingname| and \verb|\bothheadingname|. In order to
+%change it you can use for example\\
+%\verb| \renewcommand{\symheadingname}{| \ar{New Heading} \verb|}|
+%
+%\DescribeMacro{\markasused}
+%\DescribeMacro{\markasunused}
+%If you want to decide yourself whether a symbol or subscript should be
+%included in the lists, you can issue a \verb|\markasused| or
+%\verb|\markasunused| command. A \verb|\markasunused| command should
+%occur after the last call of the macro.
+%
+%Note that \verb|\markasused| works
+%only if the description of a symbol or subscript is not empty (why
+%would one want to have a symbol without a description in the list of
+%symbols?). If, for some reason, you want such a symbol to be in the
+%list of symbols, change its description in the \verb|\newsym| command
+%to something invisible, e.g. a space.
+
+%Syntax:
+%\begin{quote}
+%\verb| \markasused {| \ar{macroname} \verb|}|\\
+%\verb| \markasunused {| \ar{macroname} \verb|}|
+%\end{quote}
+%Note that \ar{macroname} must be given without the backslash.
+%
+%\DescribeMacro{\dontmarkasused}
+%If you want to get the output of a symbol without changing the ``used''-flag,
+%you can use the command \verb|\dontmarkasused|.
+%This is for example useful if you want to use a symbol in the description of
+%another symbol. In this case you have to insert
+%a \verb|\noexpand| command before the macro \verb|\dontmarkasused|.
+%
+%Syntax:
+%\begin{quote}
+%\verb| \dontmarkasused {| \ar{macroname} \verb|}|
+%\end{quote}
+%Note that \ar{macroname} must be given without the backslash.
+
+%Example:
+%
+%\begin{verbatim}
+%\opensymdef
+% \newsym{syma}{a}
+% \newsym[Derivative of \noexpand\dontmarkasused{syma}]{symda}{\syma '}
+%\closesymdef
+%\end{verbatim}
+%
+%\DescribeMacro{\losstring}
+%If the output of a symbol or subscript contains macros
+%and they are not at the very beginning of the definition, then you have to
+%insert a \verb|\losstring| command in front of the macro.
+%
+%Example:
+%
+%\begin{verbatim}
+%\opensymdef
+% \newsym{symA}{a}
+% \newsym{symB}{\overline{\losstring\syma}}
+% \newsym{symC}{\overline{\losstring\overline{\losstring\syma}}}
+%\closesymdef
+%\end{verbatim}
+%
+%
+%\newpage
+%\section{Examples}
+%\label{sec:examples}
+%
+%These examples are supposed to illustrate the implications of
+%\verb|opensymdef| and \verb|closesymdef|.
+%
+%\subsection{Example 1}
+%
+%Here, the definitions are in the preamble
+%
+%\begin{verbatim}
+%\documentclass{article}
+%\usepackage{listofsymbols}
+%
+%\opensymdef
+% \newsym[Energy]{symE}{E}
+% \newsym[Mass]{symm}{m}
+% \newsym[Speed of light]{symc}{c}
+%\closesymdef
+%
+%\begin{document}
+% \[\symE=\symm \symc^2\]
+%
+% where \symE is the energy \ldots
+%
+% \listofsymbols
+%\end{document}
+%\end{verbatim}
+%
+%\hrulefill \ Output:\ \hrulefill
+%
+%\[E=m\ c^2\]
+%
+%where $E$ is the energy \ldots\\
+%
+%{\Large\bf List of Symbols (draft)}
+%
+%\makebox[2.5cm][l]{{\bf Symbol}}{\bf Description}\\
+%\makebox[2.5cm][l]{$E$}\verb|\symE| -- Energy (yes)\\
+%\makebox[2.5cm][l]{$m$}\verb|\symm| -- Mass (yes)\\
+%\makebox[2.5cm][l]{$c$}\verb|\symc| -- Speed of light (yes)
+%
+%\rule{\textwidth}{0.2pt}
+%
+%
+%\subsection{Example 2}
+%
+%Here, the list of symbols is at the end of the document and the
+%definitions are in the body.
+%
+%\begin{verbatim}
+%\documentclass{article}
+%\usepackage{listofsymbols}
+%
+%\begin{document}
+% \opensymdef
+% \newsym[Energy]{symE}{E}
+% \newsym[Mass]{symm}{m}
+% \newsym[Speed of light]{symc}{c}
+%
+% \[\symE=\symm \symc^2\]
+%
+% where \symE is the energy \ldots
+%
+% \closesymdef
+% \listofsymbols
+%\end{document}
+%\end{verbatim}
+%
+%
+%\subsection{Example 3}
+%
+%Now, the list of symbols is before the definitions.
+%
+%\begin{verbatim}
+%\documentclass{article}
+%\usepackage{listofsymbols}
+%
+%\begin{document}
+% \listofsymbols
+% \opensymdef
+% \newsym[Energy]{symE}{E}
+% \newsym[Mass]{symm}{m}
+% \newsym[Speed of light]{symc}{c}
+%
+% \[\symE=\symm \symc^2\]
+%
+% where \symE is the energy \ldots
+%
+% \closesymdef
+%\end{document}
+%\end{verbatim}
+%
+%\section{Contact}
+%
+%If you have suggestions how this package can be improved, let me know:
+%
+%e-mail: \verb|listofsymbols@gmx.de|
+%
+%\section{The Code}
+% \begin{macrocode}
+\NeedsTeXFormat{LaTeX2e} \ProvidesPackage{listofsymbols}
+\RequirePackage{ifthen} \RequirePackage{calc} \newboolean{b@nomencl}
+\newboolean{b@final} \newboolean{b@Final} \newboolean{b@pageno}
+\newboolean{b@xspace}
+\DeclareOption{nomencl}{\setboolean{b@nomencl}{true}}
+\DeclareOption{draft}{\setboolean{b@nomencl}{false}
+\setboolean{b@final}{false}\setboolean{b@Final}{false}}
+\DeclareOption{final}{\setboolean{b@nomencl}{false}
+\setboolean{b@final}{true}\setboolean{b@Final}{false}}
+\DeclareOption{Final}{\setboolean{b@nomencl}{false}
+\setboolean{b@final}{true}\setboolean{b@Final}{true}}
+\DeclareOption{pageno}{\setboolean{b@pageno}{true}}
+\DeclareOption{nopageno}{\setboolean{b@pageno}{false}}
+\DeclareOption{usexspace}{\setboolean{b@xspace}{true}}
+\DeclareOption{noxspace}{\setboolean{b@xspace}{false}}
+
+\ExecuteOptions{draft,nopageno,usexspace}
+\ProcessOptions
+
+\newlength{\symindent}
+ %equal to second argument of \l@figure and \l@table:
+\setlength{\symindent}{1.5em}
+\newlength{\symwidth}
+\setlength{\symwidth}{2.5cm}
+\newlength{\sympagenowidth}
+
+\ifthenelse{\boolean{b@nomencl}}
+ {\RequirePackage{nomencl}}{}
+\ifthenelse{\boolean{b@xspace}}
+ {\RequirePackage{xspace}
+ \newcommand{\spaceaftersym}{\xspace}}
+ {\newcommand{\spaceaftersym}{}}
+\ifthenelse{\boolean{b@pageno}}
+ {\settowidth{\sympagenowidth}{9999}}
+ {\setlength{\sympagenowidth}{0cm}}
+
+%#1: sortkey
+%#2: symbol
+%#3: macroname
+%#4: description
+%#5: page number
+\newcommand{\printsymline}[5]
+{\expandafter\providecommand\expandafter{\csname#3include\endcsname}{no}
+\ifthenelse{\boolean{b@final}
+ \AND\(\expandafter\equal{\csname #3include\endcsname}{no}\OR\equal{#4}{}\)}
+{\PackageInfo{listofsymbols}{symbol/subscript #3 has no or empty
+ description or is not used: omitted}}
+{\hspace*{\symindent}\makebox[\symwidth][l]{\ensuremath{#2}}%
+\parbox[t]{\textwidth-\symwidth-\sympagenowidth-16pt}
+{\begin{raggedright}\strut%
+\ifthenelse{\boolean{b@final}} {#4}%
+ {$\backslash$\texttt{#3} --- #4 (\csname #3include\endcsname)}%
+\strut\end{raggedright}}%
+\ifthenelse{\boolean{b@pageno}}{\hfill #5}{}%
+\newline}}
+
+\newcommand{\losstring}{}
+
+%#1: sortkey
+%#2: symbol
+%#3: macroname
+%#4: description
+%#5: filehandle
+\ifthenelse{\boolean{b@Final}}
+{\newcommand{\addsymline}[5]{}
+\newcommand{\opensymdef}{}
+\newcommand{\closesymdef}{}}
+{\newcommand{\opensymdef}
+{\newwrite\@sym \immediate\openout\@sym=\jobname.sym
+\newwrite\@sub \immediate\openout\@sub=\jobname.sub}
+\newcommand{\closesymdef}
+{\immediate\closeout\@sym
+\immediate\closeout\@sub}
+\newcommand{\addsymline}[5]
+{\renewcommand{\losstring}{\string}
+\immediate\write#5{\string\printsymline{\string#1}%
+{\string#2}{\string#3}{#4}{\thepage}}
+\renewcommand{\losstring}{}}}
+
+%#1: description
+%#2: macroname
+%#3: symbol
+\newcommand{\@createsym}[3]
+{\expandafter\newcommand\expandafter{\csname#2\endcsname}
+ {\relax\ensuremath{#3}\spaceaftersym%
+ \expandafter\protected@xdef\csname#2isused\endcsname {yes}} %evntl. gdef
+\expandafter\newcommand\expandafter{\csname#2doc\endcsname}{#1}
+\expandafter\newcommand\expandafter{\csname#2tabdoc\endcsname}
+ {\ensuremath{#3} & #1}
+\expandafter\newcommand\expandafter{\csname#2isused\endcsname}{no}}
+
+%#1: description
+%#2: macroname
+%#3: symbol
+\ifthenelse{\boolean{b@nomencl}}
+{\newcommand{\newsym}[3][]
+{\@createsym{#1}{#2}{#3}
+\ifthenelse{\equal{#1}{}}{}{\nomenclature{\ensuremath{#3}}{#1}}}}
+{\newcommand{\newsym}[3][]
+{\@createsym{#1}{#2}{#3}
+\addsymline{#3}{#3}{#2}{#1}{\@sym}}}
+
+%#1: description
+%#2: macroname
+%#3: symbol
+\newcommand{\@createsub}[3]
+{\expandafter\newcommand\expandafter{\csname#2\endcsname}
+ {\relax\ensuremath{_{#3}}\spaceaftersym%
+ \expandafter\protected@xdef\csname#2isused\endcsname {yes}}
+\expandafter\newcommand\expandafter{\csname#2doc\endcsname}{#1}
+\expandafter\newcommand\expandafter{\csname#2tabdoc\endcsname}
+ {\ensuremath{#3} & #1}
+\expandafter\newcommand\expandafter{\csname#2isused\endcsname}{no}}
+
+%#1: description
+%#2: macroname
+%#3: symbol
+\ifthenelse{\boolean{b@nomencl}}
+{\newcommand{\newsub}[3][]
+{\@createsub{#1}{#2}{#3}
+\ifthenelse{\equal{#1}{}}{}{\nomenclature{\ensuremath{#3}}{#1}}}}
+{\newcommand{\newsub}[3][]
+{\@createsub{#1}{#2}{#3}
+\addsymline{#3}{#3}{#2}{#1}{\@sub}}}
+
+\newcommand{\subsep}[1][]{\ensuremath{{}_{#1}{}}}
+
+\newcommand{\symheadingname}{List of Symbols}
+
+\newcommand{\subheadingname}{List of Subscripts}
+
+\newcommand{\bothheadingname}{Notation}
+
+\ifthenelse{\boolean{b@final}}
+{\newcommand{\symheading}
+{\section*{\symheadingname}}
+\newcommand{\subheading}
+{\section*{\subheadingname}}}
+{\newcommand{\symheading}
+{\section*{\symheadingname\ (draft)}
+\makebox[\symwidth+\symindent][l]{\bf Symbol}{\bf Description}
+\ifthenelse{\boolean{b@pageno}}{\hfill{\bf Defined on page}}{}}
+\newcommand{\subheading}
+{\section*{\subheadingname\ (draft)}
+\makebox[\symwidth+\symindent][l]{\bf Subscript}{\bf Description}
+\ifthenelse{\boolean{b@pageno}}{\hfill{\bf Defined on page}}{}}}
+
+\ifthenelse{\boolean{b@nomencl}}
+{\makeglossary
+\renewcommand{\nomname}{\symheadingname}
+\setlength{\nomitemsep}{-1\parsep}
+\newcommand{\listofsymbols}{\printglossary}
+\newcommand{\listofsubscripts}{}}
+{\newlength{\old@parskip}
+\newlength{\old@parindent}
+\newcommand{\listofsymbols} {
+ \setlength{\old@parskip}{\parskip}
+ \setlength{\parskip}{0pt}
+ \setlength{\old@parindent}{\parindent}
+ \setlength{\parindent}{0pt}
+\symheading\par
+\makeatletter
+\IfFileExists{\jobname.syc}{\@input@{\jobname.syc}}{}
+\IfFileExists{\jobname.sym}{\@input@{\jobname.sym}}{}
+\makeatother
+ \setlength{\parskip}{\old@parskip}
+ \setlength{\parindent}{\old@parindent}}
+\newcommand{\listofsubscripts} {
+ \setlength{\old@parskip}{\parskip}
+ \setlength{\parskip}{0pt}
+ \setlength{\old@parindent}{\parindent}
+ \setlength{\parindent}{0pt}
+\subheading\par
+\makeatletter
+\IfFileExists{\jobname.suc}{\@input@{\jobname.suc}}{}
+\IfFileExists{\jobname.sub}{\@input@{\jobname.sub}}{}
+\makeatother
+ \setlength{\parskip}{\old@parskip}
+ \setlength{\parindent}{\old@parindent}}}
+
+\ifthenelse{\boolean{b@nomencl}}
+{\newcommand{\listofboth}{\listofsymbols}}
+{\newcommand{\listofboth}
+{\renewcommand{\symheading}{\subsection*{\symheadingname}}
+\renewcommand{\subheading}{\subsection*{\subheadingname}}
+\section*{\bothheadingname\ifthenelse{\boolean{b@final}}{}{ (draft)}}
+\listofsymbols\listofsubscripts}}
+
+\newcommand{\markasunused}[1]
+ {\expandafter\protected@xdef\csname#1isused\endcsname {no}}
+
+\newcommand{\markasused}[1]
+ {\expandafter\protected@xdef\csname#1isused\endcsname {yes}}
+
+\newcommand{\los@temp}{}
+
+\newcommand{\dontmarkasused}[1]
+ {\protected@xdef\los@temp{\csname#1isused\endcsname}
+ \csname#1\endcsname%
+ \expandafter\protected@xdef\csname#1isused\endcsname{\los@temp}}
+
+\AtEndDocument{
+\renewcommand{\printsymline}[5]
+{\immediate\write\@syc{\string\newcommand%
+ {\expandafter\string\csname #3include\endcsname}%
+ {\csname #3isused\endcsname}}}
+\newwrite\@syc \immediate\openout\@syc=\jobname.syc
+\IfFileExists{\jobname.sym}{\@input@{\jobname.sym}}{}
+\immediate\closeout\@syc
+\renewcommand{\printsymline}[5]
+{\immediate\write\@suc{\string\newcommand%
+ {\expandafter\string\csname #3include\endcsname}%
+ {\csname #3isused\endcsname}}}
+\newwrite\@suc \immediate\openout\@suc=\jobname.suc
+\IfFileExists{\jobname.sym}{\@input@{\jobname.sub}}{}
+\immediate\closeout\@suc}
+
+\endinput
+% \end{macrocode}
diff --git a/Master/texmf-dist/source/latex/listofsymbols/listofsymbols.ins b/Master/texmf-dist/source/latex/listofsymbols/listofsymbols.ins
new file mode 100644
index 00000000000..6732aececa0
--- /dev/null
+++ b/Master/texmf-dist/source/latex/listofsymbols/listofsymbols.ins
@@ -0,0 +1,19 @@
+% driver file for stripped .sty file
+% run LaTeX on this file to create .sty file
+%
+\input docstrip
+\keepsilent
+\Msg{}
+\Msg{************************************************************}
+\Msg{* Creating file listofsymbols.sty from listofsymbols.dtx }
+\Msg{*}
+\Msg{* Move the file listofsymbols.sty to a directory where}
+\Msg{* LaTeX can find it, e.g. in a local tree.}
+\Msg{*}
+\Msg{* Run LaTeX on listofsymbols.tex to create the}
+\Msg{* documentation}
+\Msg{************************************************************}
+\Msg{}
+\askforoverwritefalse
+\generate{\file{listofsymbols.sty}{\from{listofsymbols.dtx}{}}}
+\endbatchfile