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-%%% ====================================================================
-%%% @LaTeX-doc-source-file{
-%%% filename = "textcmds.dtx",
-%%% version = "1.05",
-%%% date = "2002/04/16",
-%%% time = "08:47:47 EDT",
-%%% author = "Michael J Downes",
-%%% address = "American Mathematical Society,
-%%% Publications Technical Group,
-%%% PO Box 6248,
-%%% Providence, RI 02940,
-%%% USA",
-%%% email = "tech-support@ams.org",
-%%% URL = "http://www.ams.org/",
-%%% abstract = "Short forms for textemdash and the other LaTeX
-%%% commands that correspond to ligatures of
-%%% convenience.",
-%%% checksum = "55773 283 1136 10227",
-%%% docstring = "The checksum field, produced by Robert Solovay's
-%%% checksum utility, gives CRC-16 checksum, lines,
-%%% words, and characters.",
-%%% }
-%%% ====================================================================
-% \iffalse
-%<*driver>
-\NeedsTeXFormat{LaTeX2e}
-\documentclass{amsdtx}
-% Undo some things defined by amsdtx.cls
-\let\qq=\UnDefined \let\mdash=\UnDefined \let\ndash=\UnDefined
-\usepackage{textcmds}
-\begin{document}
-\title{The \pkg{textcmds} package}
-\author{Michael~J. Downes\\American Mathematical Society}
-\date{Version \fileversion, \filedate}
-\hDocInput{textcmds.dtx}
-\end{document}
-%</driver>
-% \fi
-%
-% \maketitle
-% \section{Introduction}
-%
-% The \pkg{textcmds} package provides shorthand commands for all the
-% text symbols that are traditionally produced in \LaTeX{} documents
-% by non-letter ligatures. One of the principal benefits of using
-% these commands is that it makes translating your document from
-% \LaTeX{} to some other form (e.g., HTML) easier and less bug-prone.
-% But it also makes your document less dependent on the use of
-% special font metric files having the required ligature information,
-% and it makes it far easier to achieve special effects for the
-%^^A Either don't use \mdash here, or add textcmds pkg in the driver.
-% characters in question\textemdash for example, to add or not to add
-% a small amount of extra space around an em-dash character. With the
-% ligature method you have to manually add the space for each
-% instance, whereas if you use the \verb'\mdash' command, it suffices
-% to change the definition of \verb'\mdash' to suit your wishes.
-%
-% All of these definitions use the preferred
-% font-encoding-independent \LaTeX{} commands to obtain the
-% characters in question.
-% \begin{center}
-% \begin{tabular}{lll}
-% \textbf{Command}& \textbf{Definition}& \textbf{Result}\\
-% \cn{mdash}& \cn{textemdash}& \mdash\\
-% \cn{ndash}& \cn{textendash}& \ndash\\
-% \cn{qd}& \cn{textquestiondown}& \qd\\
-% \cn{xd}& \cn{textexclamdown}& \xd\\
-% \cn{ldq}& \cn{textquotedblleft}& \ldq\\
-% \cn{rdq}& \cn{textquotedblright}& \rdq\\
-% \cn{lq}& \cn{textquoteleft}& \lq\\
-% \cn{rq}& \cn{textquoteright}& \rq
-% \end{tabular}
-% \end{center}
-%
-% This package also provides short forms for certain text
-% symbols whose generic name is too long for convenient entry.
-% (The \cn{cwm} command does not produce visible output but marks
-% word boundaries in a compound word.)
-% \begin{center}
-% \begin{tabular}{lll}
-% \textbf{Command}& \textbf{Definition}& \textbf{Result}\\
-% \cn{bul}& \cn{textbullet}& \bul\\
-% \cn{vsp}& \cn{textvisiblespace}& \vsp\\
-% \cn{pdc}& \cn{textperiodcentered}& \pdc\\
-% \cn{vrt}& \cn{textbar}& \vrt\\
-% \cn{cir}& \cn{textasciicircum}& \cir\\
-% \cn{til}& \cn{textasciitilde}& \til\\
-% \cn{bsl}& \cn{textbackslash}& \bsl\\
-% \cn{cwm}& \cn{textcompwordmark}& \cwm
-% \end{tabular}
-% \end{center}
-%
-% Finally, a few other miscellaneous commands are provided, including
-% a quoting command \cn{qq}. It seems clearly consonant with other
-% parts of \LaTeX{} to write \verb'\qq{...}' to quote a word or short
-% phrase rather than \verb'\ldq ...\rdq'; and the use of higher-level
-% markup is groundwork that must be laid if one should ever want to
-% do anything more sophisticated at the boundaries of a quoted
-% expression (such as automatically transposing the quote character
-% with following punctuation, if traditional rather than logical
-% punctuation style is desired).
-%
-% \begin{center}
-% \begin{tabular}{lll}
-% \textbf{Example}& \textbf{Definition}& \textbf{Result}\\
-% \verb'\qq{some text}'& \verb'\ldq#1\rdq'& \qq{some text}\\
-% \verb'\lara{some text}'& \verb'\textlangle#1\textrangle'&
-% \lara{some text}\\
-% \verb'Jello\tsup{TM}'& \textit{raise .9ex}\verb'{\supsize#1}'&
-% Jello\tsup{TM}\\
-% \verb'Jello\tsub{TM}'& \textit{lower .6ex}\verb'{\supsize#1}'&
-% Jello\tsub{TM}\\
-% \verb'a\tprime b'& \verb'\tsup{\textprimechar}'&
-% a\tprime b
-% \end{tabular}
-% \end{center}
-%
-% \StopEventually{}
-%
-% \begin{macrocode}
-%<*pkg>
-% \end{macrocode}
-%
-% \section{Implementation}
-%
-% Package name, date, version number.
-% \begin{macrocode}
-\ProvidesPackage{textcmds}[2002/04/16 v1.05]
-% \end{macrocode}
-%
-% Dashes and inverted beginning-of-sentence punctuation.
-% \begin{macrocode}
-\providecommand{\mdash}{\textemdash\penalty\exhyphenpenalty}
-\providecommand{\ndash}{\textendash\penalty\exhyphenpenalty}
-\newcommand{\qd}{\textquestiondown}
-\newcommand{\xd}{\textexclamdown}
-% \end{macrocode}
-%
-% Quote commands. Note that \cs{lq} and \cs{rq} are defined in the
-% \LaTeX{} kernel to produce functionally different quote characters.
-% \begin{macrocode}
-\newcommand{\ldq}{\textquotedblleft}
-\newcommand{\rdq}{\textquotedblright}
-\newcommand{\lsq}{\textquoteleft}
-\newcommand{\rsq}{\textquoteright}
-% \end{macrocode}
-%
-% \begin{macrocode}
-\newcommand{\bul}{\textbullet}%
-\newcommand{\vsp}{\textvisiblespace}%
-\newcommand{\pdc}{\textperiodcentered}%
-\newcommand{\vrt}{\textbar}%
-\newcommand{\cir}{\textasciicircum}%
-\newcommand{\til}{\textasciitilde}%
-\newcommand{\bsl}{\textbackslash}%
-\newcommand{\cwm}{\textcompwordmark}%
-% \end{macrocode}
-%
-% \begin{macrocode}
-\providecommand{\qq}[1]{\ldq#1\/\rdq}
-% \end{macrocode}
-%
-% Unlike \cs{textsuperscript} and \cs{textsubscript}, these do not
-% use math mode at all. The difference between \cn{scriptsize} and
-% \cn{supsize} is that the former is fixed at a single constant size
-% regardless of context, whereas the latter adapts to the current
-% font size.
-% \begin{macrocode}
-\newcommand{\supsize}{%
-% \end{macrocode}
-% Cf \cs{glb@settings}.
-% \begin{macrocode}
- \expandafter\ifx\csname S@\f@size\endcsname\relax
- \calculate@math@sizes
- \fi
- \csname S@\f@size\endcsname
- \fontsize\sf@size\z@\selectfont
-}
-\DeclareRobustCommand{\tsup}[1]{%
- \leavevmode\raise.9ex\hbox{\supsize #1}%
-}
-\DeclareRobustCommand{\tsub}[1]{%
- \leavevmode\lower.6ex\hbox{\supsize #1}%
-}
-% \end{macrocode}
-%
-% The \LaTeX{} kernel contains fallback definitions for various
-% symbols that traditionally came from the \texttt{cmsy} font:
-%\begin{verbatim}
-%\DeclareTextSymbolDefault{\textbraceleft}{OMS}
-%\end{verbatim}
-% But there is no definition of that kind for the cmsy prime
-% character that we want to use for \cn{tprime}. So we need to do it
-% here.
-% \begin{macrocode}
-\DeclareTextSymbolDefault{\textprimechar}{OMS}
-\DeclareTextSymbol{\textprimechar}{OMS}{48}
-\DeclareRobustCommand{\tprime}{\tsup{\textprimechar}}
-% \end{macrocode}
-%
-% And one more pair of symbols that are sometimes useful in text, yet
-% do not have suitable text definitions in the \LaTeX{} kernel. (They
-% do in the \pkg{textcomp} package.)
-%
-% If the \pkg{textcmds} package is loaded together with the
-% \pkg{textcomp} package, we don't want to clobber the TS1 default.
-% \begin{macrocode}
-\@ifundefined{textlangle}{%
- \DeclareTextSymbolDefault{\textlangle}{OMS}
- \DeclareTextSymbolDefault{\textrangle}{OMS}
-}{}
-\DeclareTextSymbol{\textlangle}{OMS}{"68}
-\DeclareTextSymbol{\textrangle}{OMS}{"69}
-% \end{macrocode}
-% Not sure what's the best name for the angle-brackets analog of the
-% \cn{qq} command. How about ``lara'' for ``left-angle right-angle''?
-%
-% Unlike the quotes case, it is highly unlikely that the font
-% contains kern information for the rangle character and the
-% character preceding it! So let's put in an italic correction.
-% \begin{macrocode}
-\DeclareRobustCommand{\lara}[1]{\textlangle#1\/\textrangle}
-% \end{macrocode}
-%
-% \begin{macrocode}
-\csname endinput\endcsname
-%</pkg>
-% \end{macrocode}
-%
-% Do you want some Emacs code to convert \verb"--" to \cn{ndash} while
-% you write? And \verb"``" to \verb'\qq{' ? Try this.
-% \begin{macrocode}
-<*emacs>
-(defvar latex-ndash-command "\\ndash"
- "*String to insert for an n-dash in LaTeX mode.")
-
-(defvar latex-mdash-command "\\mdash"
- "*String to insert for an m-dash in LaTeX mode.")
-
-(defvar latex-quote-command "\\qq"
- "*String to insert for quotes in LaTeX mode.")
-
-(defun latex-maybe-start-quotes (arg)
- "Insert the beginning of a \\qq{...} structure if the preceding char is
-a left quote."
- (interactive "*p")
- (if (= (preceding-char) ?\`)
- (progn
- (delete-backward-char 1)
- (insert-and-inherit (concat latex-quote-command "\{")))
- (self-insert-command arg)))
-
-(defun latex-maybe-end-quotes (arg)
- "Insert the end of a \\qq{...} structure if appropriate."
- (interactive "*p")
- (if (= (preceding-char) ?\')
- (progn
- (delete-backward-char 1)
- (insert-and-inherit "\}"))
- (self-insert-command arg)))
-
-(defun latex-maybe-dash (arg)
- "Convert two or three hyphens to \\mdash or \\ndash."
- (interactive "*p")
- (cond
- ((re-search-backward
- (concat (regexp-quote latex-ndash-command) " *\\=") nil t)
- (replace-match (concat (regexp-quote latex-mdash-command) " ")))
- ((= (preceding-char) ?-)
- (delete-backward-char 1)
- (insert-and-inherit (concat latex-ndash-command " ")))
- (t (self-insert-command arg))))
-
-(add-hook 'TeX-mode-hook
- '(lambda
- (define-key LaTeX-mode-map "\`" 'latex-maybe-start-quotes)
- (define-key LaTeX-mode-map "\'" 'latex-maybe-end-quotes)
- (define-key LaTeX-mode-map "-" 'latex-maybe-dash)))
-</emacs>
-% \end{macrocode}
-%
-% \CheckSum{133}
-% \Finale