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platex.dtx
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platex.dtx
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% \iffalse meta-comment
%% File: platex.dtx
%
% Copyright 1995,1996 ASCII Corporation.
% Copyright (c) 2010 ASCII MEDIA WORKS
% Copyright (c) 2016-2022 Japanese TeX Development Community
%
% This file is part of the pLaTeX2e system (community edition).
% -------------------------------------------------------------
%
% \fi
%
% \iffalse
%<*driver|pldoc>
\ifx\JAPANESEtrue\undefined
\expandafter\newif\csname ifJAPANESE\endcsname
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%</driver|pldoc>
% \fi
%
% \setcounter{StandardModuleDepth}{1}
% \makeatletter
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% \def\@chuui[#1]{\par\vskip.5\baselineskip
% \noindent{\em #1}\par\bgroup\gtfamily\sffamily}
% \def\endchuui{\egroup\vskip.5\baselineskip}
% \makeatother
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% \iffalse
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\def\eTeX{$\varepsilon$-\TeX}
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\def\pLaTeXe{p\kern-.05em\LaTeXe}
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% \fi
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% \StopEventually{}
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% \iffalse
%\ifJAPANESE
% \changes{v1.0}{1995/05/08}{$B:G=i$N%P!<%8%g%s(B}
% \changes{v1.0a}{1995/08/25}{$B8_49@-$K$D$$$F!"(B\dst{}$B$N;H$$J}!";29MJ88%$rDI2C(B}
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% \changes{v1.0c}{1997/01/29}{\file{pltpatch.ltx}$B$r(B\file{plpatch.ltx}$B$KL>>NJQ99(B}
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% \changes{v1.0e}{2016/02/16}{platexrelease$B$N@bL@$rDI2C(B}
% \changes{v1.0f}{2016/04/12}{$B%I%-%e%a%s%H$r99?7(B}
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% \changes{v1.0i}{2016/05/12}{$B0l;~%3%^%s%I(B\cs{orgdump}$B$r:G=*E*$KL$Dj5A$X(B}
% \changes{v1.0j}{2016/05/20}{pfltrace$B$N@bL@$rDI2C(B}
% \changes{v1.0k}{2016/05/21}{$BJQ99MzNr$b=PNO$9$k$h$&$K$7$?(B}
% \changes{v1.0l}{2016/06/19}{$B%Q%C%A%l%Y%k$r(B\file{plvers.dtx}$B$+$i<hF@(B}
% \changes{v1.0m}{2016/08/26}{\file{platex.cfg}$B$NFI$_9~$_$r(B
% \file{plcore.ltx}$B$+$i(B\file{platex.ltx}$B$X0\F0(B}
% \changes{v1.0n}{2016/09/14}{\LaTeX{}$B$N%P%J!<$NJ]B8$7$+$?$r2~NI(B}
% \changes{v1.0o}{2017/09/24}{$B%Q%C%A%l%Y%k$,Ii$N?t$N>l9g$r(Bpre-release$B07$$$X(B}
% \changes{v1.0p}{2017/11/11}{\LaTeX{}$B$N%P%J!<$rJ]B8$9$k%3!<%I$r(B
% \file{platex.ltx}$B$+$i(B\file{plcore.ltx}$B$X0\F0(B}
% \changes{v1.0q}{2017/11/29}{$B1Q8lHG%I%-%e%a%s%H$rDI2C(B}
% \changes{v1.0r}{2017/12/02}{$B1Q8l$N;29MJ88%$bDI2C(B}
% \changes{v1.0s}{2017/12/05}{$B%G%U%)%k%H@_Dj%U%!%$%k$NFI$_9~$_$r(B
% \file{plcore.ltx}$B$+$i(B\file{platex.ltx}$B$X0\F0(B}
% \changes{v1.0t}{2018/02/07}{ascmac$B%Q%C%1!<%8$rFHN)$5$;$?(B}
% \changes{v1.0u}{2018/02/18}{nidanfloat$B%Q%C%1!<%8$rFHN)$5$;$?(B}
% \changes{v1.0v}{2018/04/06}{$B:G?7$N(Bsource2e$B$X$NDI?o(B}
% \changes{v1.0w}{2018/04/08}{$B0BA4$N$?$a%U%)!<%^%C%H:n@.;~$N(B
% $B%P%J!<I=<($r$d$a$?(B}
% \changes{v1.0x}{2018/09/03}{$B%I%-%e%a%s%H$r99?7(B}
% \changes{v1.0x}{2018/09/03}{platexcheat$B$K8@5Z(B}
% \changes{v1.0x}{2018/09/03}{plautopatch$B$K8@5Z(B}
% \changes{v1.0y}{2018/09/22}{$B:G=*99?7F|$r(B\file{pldoc.pdf}$B$KI=<((B}
% \changes{v1.0z}{2019/09/29}{$B%?%$%]=$@5(B}
% \changes{v1.1}{2020/03/24}{$B%I%-%e%a%s%H$r99?7(B}
% \changes{v1.1a}{2020/09/26}{\file{plexpl3.dtx}$B$rDI2C(B}
% \changes{v1.1b}{2020/09/28}{defs$BFI9~8e$K%U%C%/DI2C(B}
% \changes{v1.1c}{2021/02/25}{\file{latex.ltx}$B$NFI9~%A%'%C%/(B}
% \changes{v1.1d}{2021/03/14}{expl3$B%3%^%s%I$r0u;z$G$-$k$h$&$K(B}
% \changes{v1.1e}{2022/03/06}{$B?7(B\file{ltxdoc.cls}$B$KBP1~(B}
%\else
% \changes{v1.0}{1995/05/08}{first edition}
% \changes{v1.0a}{1995/08/25}{Added 'Compatibility', `Usage of \dst{}'
% and `References'}
% \changes{v1.0b}{1996/02/01}{Adjusted for the latest
% \dst\ (\file{omake-sh.ins} and \file{omake-pl.ins}.}
% \changes{v1.0c}{1997/01/23}{Adjusted for the latest \dst.}
% \changes{v1.0c}{1997/01/23}{Adjusted for \LaTeX\ \textt{!<1996/12/01!>}.}
% \changes{v1.0c}{1997/01/23}{Don't copy gind.ist and gglo.ist from
% \$TEXMF/tex/latex2e/base directory.}
% \changes{v1.0c}{1997/01/25}{Add to filecontents environment for pldoc.dic.}
% \changes{v1.0c}{1997/01/29}{Rename \file{pltpatch.ltx} to \file{plpatch.ltx}.}
% \changes{v1.0d}{2016/01/27}{Updated descriptions of \pLaTeXe\ files}
% \changes{v1.0d}{2016/01/27}{Add -e test before rm command}
% \changes{v1.0e}{2016/02/16}{Add a description of platexrelease}
% \changes{v1.0f}{2016/04/12}{Update document.}
% \changes{v1.0g}{2016/05/07}{Save \LaTeX\ banner}
% \changes{v1.0h}{2016/05/08}{Exclude \file{plpatch.ltx} from the document}
% \changes{v1.0i}{2016/05/12}{Undefine temporary command
% \cs{orgdump} in the end.}
% \changes{v1.0j}{2016/05/20}{Add description of `pfltrace'}
% \changes{v1.0k}{2016/05/21}{Print also changes.}
% \changes{v1.0l}{2016/06/19}{Get the patch level from \file{plvers.dtx}}
% \changes{v1.0m}{2016/08/26}{Moved loading \file{platex.cfg}
% from \file{plcore.ltx} to \file{platex.ltx}}
% \changes{v1.0n}{2016/09/14}{Improved banner saving method}
% \changes{v1.0o}{2017/09/24}{Allow negative patch level for pre-release}
% \changes{v1.0p}{2017/11/11}{Moved banner saving code from
% \file{platex.ltx} to \file{plcore.ltx}}
% \changes{v1.0q}{2017/11/29}{New English documentation added.}
% \changes{v1.0r}{2017/12/02}{English references added}
% \changes{v1.0s}{2017/12/05}{Moved loading default settings
% from \file{plcore.ltx} to \file{platex.ltx}}
% \changes{v1.0t}{2018/02/07}{Moved ascmac package to separate bundle}
% \changes{v1.0u}{2018/02/18}{Moved nidanfloat package to separate bundle}
% \changes{v1.0v}{2018/04/06}{Sync with the latest \file{source2e.tex}}
% \changes{v1.0w}{2018/04/08}{Stop showing banner during
% format generation for safety}
% \changes{v1.0x}{2018/09/03}{Update document.}
% \changes{v1.0x}{2018/09/03}{Mention platexcheat (Japanese only).}
% \changes{v1.0x}{2018/09/03}{Mention plautopatch.}
% \changes{v1.0y}{2018/09/22}{Show last update info on \file{pldoc.pdf}}
% \changes{v1.0z}{2019/09/29}{Fix typos in document.}
% \changes{v1.1}{2020/03/24}{Update document.}
% \changes{v1.1a}{2020/09/26}{Add \file{plexpl3.dtx}}
% \changes{v1.1b}{2020/09/28}{Add hook after loading defs}
% \changes{v1.1c}{2021/02/25}{Check for \file{latex.ltx} status}
% \changes{v1.1d}{2021/03/14}{Print expl3 commands correctly}
% \changes{v1.1e}{2022/03/06}{Adapt to new \file{ltxdoc.cls}}
%\fi
% \fi
%
% \iffalse
%<*driver>
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% \fi
\ProvidesFile{platex.dtx}[2022/03/06 v1.1e pLaTeX document file]
% \iffalse
\RequirePackage{plautopatch}
\documentclass[dvipdfmx,a4paper]{jltxdoc}
\usepackage{plext}
\GetFileInfo{platex.dtx}
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\title{About \pLaTeXe{}}
\author{Ken Nakano \& Japanese \TeX\ Development Community}
\date{Date: \filedate}
\renewcommand{\refname}{References}
\GlossaryPrologue{\section*{Change History}%
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% Make TeX shut up.
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% \changes{v1.0f}{2016/04/12}{$B%I%-%e%a%s%H$r99?7(B}
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% \changes{v1.1}{2020/03/24}{$B%I%-%e%a%s%H$r99?7(B}
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% \changes{v1.0f}{2016/04/12}{Update document.}
% \changes{v1.0k}{2016/05/21}{Print also changes.}
% \changes{v1.0q}{2017/11/29}{New English documentation added.}
% \changes{v1.0x}{2018/09/03}{Update document.}
% \changes{v1.0z}{2019/09/29}{Fix typos in document.}
% \changes{v1.1}{2020/03/24}{Update document.}
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% \begin{chuui}
% \pLaTeXe{}$B$O!"(B\LaTeXe{}$B$rF|K\8lAHHGMQ$K3HD%!&D4@0$7$?$b$N$G$9!#(B
% $B$3$NJ8=q$G$O!V%3%_%e%K%F%#HG(B\pLaTeXe{}$B!W$K$D$$$F4JC1$K@bL@$7$^$9!#(B
% $B3t<02q<R%"%9%-!<$*$h$S3t<02q<R%"%9%-!<!&%a%G%#%"%o!<%/%9$,(B
% $BG[I[$7$F$$$?(B\pLaTeXe{}$B!J0J2<!"!V%"%9%-!<HG(B\pLaTeXe{}$B!W!K$H$O(B
% $B0[$J$j$^$9$N$G!"Cm0U$7$F$/$@$5$$!#(B
% \end{chuui}
%\else
% ^^A \begin{chuui}[]
% ^^A This document provides a brief description of \pLaTeXe, the Japanese
% ^^A extended version of \LaTeXe. Current maintainer of
% ^^A \pLaTeXe\ is Japanese \TeX\ Development Community.
% ^^A \end{chuui}
%\fi
%
%\ifJAPANESE
% 2010$BG/0J9_!"%"%9%-!<(B\pTeX\footnote{$B%"%9%-!<F|K\8l(B\pTeX:
% \texttt{https://asciidwango.github.io/ptex/}}$B$O!"(B
% $B9q:]E*$K9-$/;H$o$l$F$$$k(B\TeX\ Live$B$H$$$&%G%#%9%H%j%S%e!<%7%g%s$K(B
% $B<h$j9~$^$l!"$=$3$GFH<+$N2~NI$d;EMMJQ99$,2C$($i$l$F$-$^$7$?!#(B
% $B:G6a!J(B2011$BG/0J9_!K$N(B\TeX\ Live$B$d(BW32\TeX{}$B$G$O!"(B\pLaTeX{}$B$b(B
% $B85!9$N(B\pTeX{}$B$G$O$J$/!"$=$N3HD%HG(B\epTeX{}$B$r%(%s%8%s$KMQ$$$k$h$&$K$J$C$F(B
% $B$$$^$9!#$^$?!"(B\pLaTeX{}$B$N%Y!<%9$G$"$k(B\LaTeX{}$B$b99?7$,?J$a$i$l$F$$$^$9!#(B
%
% $B$3$&$7$?N.$l$K$"$o$;$??7$7$$(B\pLaTeX{}$B$H$7$F!"%"%9%-!<HG$+$i(Bfork$B$7$F(B
% $BF|K\8l(B\TeX{}$B3+H/%3%_%e%K%F%#(B (Japanese \TeX\ Development Community) $B$,(B
% $BG[I[$7$F$$$k$b$N$,!"%3%_%e%K%F%#HG(B\pLaTeX{}$B$G$9!#3+H/Cf$NHG$O(BGitHub$B$N(B
% $B%j%]%8%H%j(B\footnote{\texttt{https://github.com/texjporg/platex}}$B$G(B
% $B4IM}$7$F$$$^$9!#%3%_%e%K%F%#HG(B\pLaTeX{}$B$O%"%9%-!<HG$H$O0[$J$j$^$9$N$G!"(B
% $B%P%0%l%]!<%H$O%"%9%-!<08$F$G$O$J$/!"F|K\8l(B\TeX{}$B3+H/%3%_%e%K%F%#$KJs9p(B
% $B$7$F$/$@$5$$!#(B\TeX\ Forum$B$d(BGitHub$B$N(BIssue$B%7%9%F%`$,MxMQ$G$-$^$9!#(B
%
% $B$3$NJ8=q(B(platex.pdf)$B$O%3%_%e%K%F%#HG(B\pLaTeX{}$B$N35MW$r@bL@$7$?$b$N$G$9(B
% $B$,!"FbMF$O%"%9%-!<HG!J(B1995$BG/:"!K$+$i$[$H$s$IJQ$o$C$F$$$^$;$s$N$G!"(B
% $B:#$G$ONr;KE*$JJ8=q$H$$$&$3$H$K$7$F$*$-$^$9!#(B
% $B:G6a$N(B\pLaTeX{}$B$N99?7FbMF$O(B\pLaTeX{}$B%K%e!<%9!J%"%9%-!<HG!'(Bplnews*.pdf$B!"(B
% $B%3%_%e%K%F%#HG!'(Bplnewsc*.pdf$B!K$r;2>H$7$F$/$@$5$$!#$^$?!"(B
% $B<B:]$N(B\pLaTeX{}$B$N%=!<%9%3!<%I$O(Bpldoc.pdf$B$G@bL@$7$F$$$^$9!#(B
%\else
% \def\JLaTeX{\leavevmode\lower.5ex\hbox{J}\kern-.15em\LaTeX}
% \pLaTeX\ is a Japanese \LaTeX\ format, which is adjusted/extended
% to be more suitable for writing Japanese documents.
% It requires \pTeX\footnote{The \pTeX\ website:
% \texttt{https://asciidwango.github.io/ptex/} (in Japanese)},
% a \TeX\ engine with extensions for Japanese typesetting,
% which is designed for high-quality
% Japanese book ``p''ublishing.\footnote{There is another
% old implementation of Japanese \LaTeX\ by
% NTT Electrical Communications Laboratories, named
% \JLaTeX\ (unavailable in \TeX\ Live).
% Also, MiK\TeX\ has another program \texttt{platex} for Polish, but
% it has nothing to do with our Japanese \pLaTeX!}
% Both of them were developed by ASCII Corporation
% (and its successor ASCII Media Works),
% so they are often referred to as ``ASCII \pTeX'' and ``ASCII \pLaTeX''
% respectively.
%
% In 2010, ASCII \pTeX\ was incorporated into the
% world-wide \TeX\ distribution, \TeX\ Live. Since then, \pTeX\ has
% been maintained/improved/changed along with \TeX\ Live sources.
% In recent versions of \TeX\ Live and W32\TeX\ (around 2011),
% the default engine of \pLaTeX\ changed from original \pTeX\ to
% \epTeX\ (\pTeX\ with \eTeX\ extension).
% Also, the original \LaTeX\ itself is also frequently updated.
% On the other hand, \pLaTeX\ remained unchanged since 2006,
% which resulted in some incompatibility and limitations.
%
% To follow these upstream changes, we (Japanese \TeX\ Development
% Community\footnote{\texttt{https://texjp.org}}) decided to fork
% ASCII \pLaTeX\ and distribute the ``community edition.''
% The development version is available from
% GitHub repository\footnote{\texttt{https://github.com/texjporg/platex}}.
% The forked community edition is different from the original ASCII
% edition, so any bug reports and requests should be sent to
% Japanese \TeX\ Development Community, using GitHub Issue system.
%
% This document (platex-en.pdf) is a brief explanation of
% the \pLaTeXe\ community edition. It is somewhat of a historical
% document now, since \pLaTeXe\ came into existence in 1995
% (although the English translation has been done by
% Japanese \TeX\ Development Community since 2017).
% ^^A The detail of source codes are described separately in pldoc-en.pdf.
%\fi
%
%
% \clearpage
%
%\ifJAPANESE
% \section{$B$3$NJ8=q$K$D$$$F(B}\label{platex:intro}
% $B$3$NJ8=q$O(B\pLaTeXe{}$B$N35MW$r<($7$F$$$^$9$,!";H$$J}$N%,%$%I$G$O$"$j$^$;$s!#(B
% \pLaTeXe{}$B$N5!G=A4HL$K$D$$$F$O!"(B\cite{platex2e-book}$B$r;2>H$7$F$/$@$5$$!#(B
% $B$^$?!"(B\cite{tate-book}$B$G@bL@$5$l$F$$$?=DAH8~$1$N3HD%%3%^%s%I$K(B
% $B$D$$$F$O!"(B\file{pldoc.pdf}$B$NCf$N(B\file{plext.dtx}$B$N9`L\$r;2>H$7$F$/$@$5$$!#(B
%
% $BF|K\8l$NAHHG=hM}$K$D$$$F$O!"(B
% \pTeX{}$B!J$"$k$$$O$=$NA0?H$N!VF|K\8l(B\TeX{}$B!W!K$K4X$9$kJ88%(B
% \cite{jtex-tech}$B$d(B\cite{ajt2008okumura}$B!J1Q8l!K(B, \cite{tb29hamano}$B!J1Q8l!K$b(B
% $BJ;$;$F$4;2>H$/$@$5$$!#(B
%
% \LaTeX{}$B$N5!G=$K$D$$$F$O!"(B\cite{latex-book2}$B$d(B\cite{latex-comp}$B$J$I$r(B
% $B;2>H$7$F$/$@$5$$!#?7$7$$5!G=$K$D$$$F$O(B\file{usrguide.tex}$B$r;2>H$7$F$/$@$5$$!#(B
% \pLaTeX{}$B$N%3%^%s%I0lMw$O!V(B\pLaTeXe{}$B%A!<%H%7!<%H!W(B(platexsheet.pdf) $B$^$?$O(B
% $B$=$N(B\textsf{jsclasses}$BHG(B (platexsheet-jsclasses.pdf) $B$,;29M$K(B
% $B$J$k$G$7$g$&(B\footnote{$BN><T$N(BPDF$B$H$b!"%3%^%s%I%i%$%s$G(B
% \texttt{texdoc -l platexcheat}$B$r<B9T$9$k$HI=<($5$l$^$9!#(B}$B!#(B
% \changes{v1.0}{1995/05/08}{$B:G=i$N%P!<%8%g%s(B}
% \changes{v1.0a}{1995/08/25}{$B8_49@-$K$D$$$F!"(B\dst{}$B$N;H$$J}!";29MJ88%$rDI2C(B}
% \changes{v1.0r}{2017/12/02}{$B1Q8l$N;29MJ88%$bDI2C(B}
% \changes{v1.0x}{2018/09/03}{platexcheat$B$K8@5Z(B}
%\else
% \section{Introduction to this document}\label{platex:intro}
% This document briefly describes \pLaTeXe, but is not a manual of \pLaTeXe.
% For the basic functions of \pLaTeXe, see \cite{platex2e-book} (in Japanese).
% For extensions of some commands for vertical writing (which were first
% described in \cite{tate-book} in Japanese), see \file{plext.dtx} section
% in \file{pldoc-en.pdf}.
%
% For Japanese typesetting, please refer to the documentation of \pTeX\ (or
% ``Japanese \TeX''; the preliminary version of \pTeX),
% \cite{jtex-tech} (in Japanese), \cite{ajt2008okumura} (in English)
% and \cite{tb29hamano} (in English).
% \changes{v1.0}{1995/05/08}{first edition}
% \changes{v1.0a}{1995/08/25}{Added 'Compatibility', `Usage of \dst{}'
% and `References'}
% \changes{v1.0r}{2017/12/02}{English references added}
% \changes{v1.0x}{2018/09/03}{Mention platexcheat (Japanese only).}
%\fi
%
%\ifJAPANESE
% $B$3$NJ8=q$N9=@.$O<!$N$h$&$K$J$C$F$$$^$9!#(B
%
% \begin{quote}
% \begin{description}
% \item[$BBh(B\ref{platex:intro}$B@a(B]
% $B$3$N@a$G$9!#$3$NJ8=q$K$D$$$F$N35MW$r=R$Y$F$$$^$9!#(B
%
% \item[$BBh(B\ref{platex:plcore}$B@a(B]
% \pLaTeXe{}$B$G3HD%$7$?5!G=$K$D$$$F$N35MW$G$9!#(B
% $BIUB0$N%/%i%9%U%!%$%k$d%Q%C%1!<%8%U%!%$%k$K$D$$$F$b4JC1$K(B
% $B@bL@$7$F$$$^$9!#(B
%
% \item[$BBh(B\ref{platex:compatibility}$B@a(B]
% $B8=:_$N%P!<%8%g%s$N(B\pLaTeX{}$B$H5l%P!<%8%g%s!"$"$k$$$O85$H$J$C$F$$$k(B
% \LaTeX{}$B$H$N8_49@-$K$D$$$F=R$Y$F$$$^$9!#(B
%
% \item[$BIUO?(B\ref{app:dst}]
% $B$3$NJ8=q%=!<%9(B(platex.dtx)$B$N(B
% \dst{}$B$N$?$a$N%*%W%7%g%s$K$D$$$F=R$Y$F$$$^$9!#(B
%
% \item[$BIUO?(B\ref{app:pldoc}]
% \pLaTeXe{}$B$N(Bdtx$B%U%!%$%k$r$^$H$a$F!"0l$D$N%=!<%9%3!<%I@bL@=q$K(B
% $B$9$k$?$a$NJ8=q%U%!%$%k$N@bL@$r$7$F$$$^$9!#(B
%
% \item[$BIUO?(B\ref{app:omake}]
% $BIUO?(B\ref{app:pldoc}$B$G@bL@$7$?J8=q%U%!%$%k$r=hM}$9$k(Bsh$B%9%/%j%W%H!J<j=g!K!"(B
% \dst{}$BJ8=q%U%!%$%kFb$NF~$l;R$NBP1~$rD4$Y$k(Bperl$B%9%/%j%W%H$J$I$K$D$$$F(B
% $B@bL@$7$F$$$^$9!#(B
% \end{description}
% \end{quote}
%\else
% This document consists of following parts:
%
% \begin{quote}
% \begin{description}
% \item[Section \ref{platex:intro}]
% This section; describes this document itself.
%
% \item[Section \ref{platex:plcore}]
% Brief explanation of extensions in \pLaTeXe.
% Also describes the standard classes and packages.
%
% \item[Section \ref{platex:compatibility}]
% The compatibility note for users of the old version of
% \pLaTeXe\ or those of the original \LaTeXe.
%
% \item[Appendix \ref{app:dst}]
% Describes \dst\ Options for this document.
%
% \item[Appendix \ref{app:pldoc}]
% Description of `pldoc.tex' (counterpart for `source2e.tex' in \LaTeXe).
%
% \item[Appendix \ref{app:omake}]
% Description of a shell script to process `pldoc.tex', and
% a tiny perl program to check \dst\ guards, etc.
% \end{description}
% \end{quote}
%\fi
%
%
%\ifJAPANESE
% \section{\pLaTeXe{}$B$N5!G=$K$D$$$F(B}\label{platex:plcore}
% \pLaTeXe{}$B$,Ds6!$9$k%U%!%$%k$O!"<!$N(B3$B<oN`$KJ,N`$9$k$3$H$,$G$-$^$9!#(B
%
% \begin{itemize}
% \item $B%U%)!<%^%C%H%U%!%$%k(B
% \item $B%/%i%9%U%!%$%k(B
% \item $B%Q%C%1!<%8%U%!%$%k(B
% \end{itemize}
%
% $B%U%)!<%^%C%H%U%!%$%k$K$O!"4pK\E*$J5!G=$,Dj5A$5$l$F$*$j!"(B
% \pLaTeXe{}$B$N3K$H$J$k%U%!%$%k$G$9!#(B
% $B$3$N%U%!%$%k$KDj5A$5$l$F$$$k%^%/%m$O!"<B9T;~$NB.EY$r9b$a$k$?$a$K!"(B
% $B$"$i$+$8$a(B\TeX{}$B$NFbIt7A<0$N7A$GJ]B8$5$l$F$$$^$9!#(B
%
% $B%/%i%9%U%!%$%k$OJ8=q$N%l%$%"%&%H$r@_Dj$9$k%U%!%$%k!"(B
% $B%Q%C%1!<%8%U%!%$%k$O%^%/%m$N3HD%$rDj5A$9$k%U%!%$%k$G$9!#(B
% $BA0<T$O(B|\documentclass|$B%3%^%s%I$rMQ$$$FFI$_9~$_!"(B
% $B8e<T$O(B|\usepackage|$B%3%^%s%I$rMQ$$$FFI$_9~$_$^$9!#(B
%
% \begin{chuui}[$B8E$$(B\pLaTeX~2.09$B%f!<%6$X$NCm0U!'(B]\normalfont
% $B%/%i%9%U%!%$%k$H%Q%C%1!<%8%U%!%$%k$O!"=>Mh!"%9%?%$%k%U%!%$%k$H8F$P$l$F$$$?(B
% $B$b$N$G$9!#(B\LaTeXe{}$B$G$O$=$l$i$r!"%l%$%"%&%H$K4X$9$k$b$N$r%/%i%9%U%!%$%k$H(B
% $B8F$S!"%^%/%m$N3HD%$r$9$k$b$N$r%Q%C%1!<%8%U%!%$%k$H8F$s$G6hJL$9$k$h$&$K(B
% $B$J$j$^$7$?!#(B
% \end{chuui}
%\else
% \section{About Functions of \pLaTeXe}\label{platex:plcore}
% The structure of \pLaTeXe\ is similar to that of \LaTeXe;
% it consists of 3 types of files: a format (platex.ltx),
% classes and packages.
%\fi
%
%\ifJAPANESE
% \subsection{$B%U%)!<%^%C%H%U%!%$%k(B}
% \pLaTeX{}$B$N%U%)!<%^%C%H%U%!%$%k$r:n@.$9$k$K$O!"(B
% $B%=!<%9%U%!%$%k(B``platex.ltx''$B$r(B\epTeX{}$B$N(BINI$B%b!<%I$G=hM}$7$^$9(B
% \footnote{2016$BG/0JA0$O(B\pTeX{}$B$H(B\epTeX{}$B$N$I$A$i$G$b%U%)!<%^%C%H$r:n@.$9$k(B
% $B$3$H$,$G$-$^$7$?$,!"(B2017$BG/$K(B\LaTeX{}$B$,(B\eTeX{}$BI,?\$H$J$C$?$3$H$KH<$$!"(B
% \pLaTeX{}$B$b(B\epTeX{}$B$,I,?\$H$J$j$^$7$?!#(B}$B!#(B
% $B$?$@$7!"(B\TeX\ Live$B$d(BW32\TeX{}$B$G$O$3$N=hM}$r4JC1$K$9$k(B|fmtutil-sys|$B$"$k$$$O(B
% |fmtutil|$B$H$$$&%W%m%0%i%`$,MQ0U$5$l$F$$$^$9!#(B
% $B0J2<$r<B9T$9$l$P!"%U%)!<%^%C%H%U%!%$%k(B\file{platex.fmt}$B$,:n@.$5$l$^$9!#(B
%\else
% \subsection{About the Format}
% To make a format for \pLaTeX,
% process ``platex.ltx'' with INI mode of \epTeX.\footnote{Formerly
% both \pTeX\ and \epTeX\ can make the format file for \pLaTeX, however,
% it's not true anymore because \LaTeX\ requires \eTeX\ since 2017.}
% A handy command `fmtutil-sys' (or `fmtutil') for this purpose
% is available in \TeX\ Live. The following command generates \file{platex.fmt}.
%\fi
%\begin{verbatim}
% fmtutil-sys --byfmt platex
%\end{verbatim}
%
%\ifJAPANESE
% $B<!$N%j%9%H$,!"(B\file{platex.ltx}$B$NFbMF$G$9!#(B
% $B$?$@$7!"$3$N%P!<%8%g%s$G$O!"(B\LaTeX{}$B$+$i(B\pLaTeX{}$B$X$N3HD%$r(B
% \file{plcore.ltx}$B$r%m!<%I$9$k$3$H$G9T$J$$!"(B
% \file{latex.ltx}$B$K$OD>@\!"<j$r2C$($J$$$h$&$K$7$F$$$^$9!#(B
% $B$7$?$,$C$F(B\file{platex.ltx}$B$O$H$F$bC;$$$b$N$H$J$C$F$$$^$9!#(B
% \file{latex.ltx}$B$K$O(B\LaTeX{}$B$N%3%^%s%I$,!"(B
% \file{plcore.ltx}$B$K$O(B\pLaTeX{}$B$G3HD%$7$?%3%^%s%I$,Dj5A$5$l$F$$$^$9!#(B
%\else
% The content of \file{platex.ltx} is shown below.
% In the current version of \pLaTeX,
% first we simply load \file{latex.ltx} and
% modify/extend some definitions by loading \file{plcore.ltx}.
%\fi
% \begin{macrocode}
%<*plcore>
% \end{macrocode}
%
%\ifJAPANESE
% \file{latex.ltx}$B$NKvHx$G;H$o$l$F$$$k(B|\dump|$B$r$$$C$?$sL58z2=$7$^$9!#(B
%\else
% Temporarily disable |\dump| at the end of \file{latex.ltx}.
%\fi
% \begin{macrocode}
\let\orgdump\dump
\let\dump\relax
% \end{macrocode}
%
%\ifJAPANESE
% \file{latex.ltx}$B$rFI$_9~$_$^$9!#(B
% \TeX\ Live$B$NI8=`E*%$%s%9%H!<%k$G$O!"$3$NCf$G(BBabel$BM3Mh$N(B
% $B%O%$%U%M!<%7%g%s!&%Q%?!<%s(B\file{hyphen.cfg}$B$,FI$_9~$^$l$k$O$:$G$9!#(B
% \changes{v1.0g}{2016/05/07}{$B%U%)!<%^%C%H:n@.;~$K(B\LaTeX{}$B$N%P%J!<$r0lC6J]B8(B}
% \changes{v1.0n}{2016/09/14}{\LaTeX{}$B$N%P%J!<$NJ]B8$7$+$?$r2~NI(B}
% \changes{v1.0p}{2017/11/11}{\LaTeX{}$B$N%P%J!<$rJ]B8$9$k%3!<%I$r(B
% \file{platex.ltx}$B$+$i(B\file{plcore.ltx}$B$X0\F0(B}
%\else
% Load \file{latex.ltx} here.
% Within the standard installation of \TeX\ Live, \file{hyphen.cfg}
% provided by ``Babel'' package will be used.
% \changes{v1.0g}{2016/05/07}{Save \LaTeX\ banner}
% \changes{v1.0n}{2016/09/14}{Improved banner saving method}
% \changes{v1.0p}{2017/11/11}{Moved banner saving code from
% \file{platex.ltx} to \file{plcore.ltx}}
%\fi
% \begin{macrocode}
\input latex.ltx
% \end{macrocode}
%
%\ifJAPANESE
% $B$3$N;~E@$G(B|\typeout|$B$,L$Dj5A$J$i!"(B\LaTeX{}$B%+!<%M%k$NFI$_9~$_$K(B
% $B<:GT$7$F$$$^$9$N$G!"6/@)=*N;$7$^$9!J(B\LaTeXe\ 2017/01/01$B0J9_$r(B
% $BHs(B\eTeX{}$B3HD%$G%U%)!<%^%C%H:n@.$7$h$&$H$7$?>l9g$J$I!K!#(B
% \changes{v1.1c}{2021/02/25}{\file{latex.ltx}$B$NFI9~%A%'%C%/(B}
%\else
% If |\typeout| is still undefined, the input of \LaTeX~kernel
% should have failed; abort now.
% \changes{v1.1c}{2021/02/25}{Check for \file{latex.ltx} status}
%\fi
% \begin{macrocode}
\ifx\typeout\undefined
\errhelp{Please reinstall LaTeX, or check e-TeX availability.}%
\errmessage{Failed to load `latex.ltx' properly}%
\expandafter\end
\fi
% \end{macrocode}
%
%\ifJAPANESE
% \file{plcore.ltx}$B$rFI$_9~$_$^$9!#(B
%\else
% Load \file{plcore.ltx}.
%\fi
% \begin{macrocode}
\typeout{**************************^^J%
*^^J%
* making pLaTeX format^^J%
*^^J%
**************************}
\makeatletter
\input plcore.ltx
% \end{macrocode}
%
%\ifJAPANESE
% $B%U%)%s%H4XO"$N%G%U%)%k%H@_Dj%U%!%$%k$G$"$k!"(B
% \file{pldefs.ltx}$B$rFI$_9~$_$^$9!#(B
% \TeX{}$B$NF~NO%U%!%$%k8!:w%Q%9$K@_Dj$5$l$F$$$k(B
% $B%G%#%l%/%H%j$K(B\file{pldefs.cfg}$B%U%!%$%k$,$"$k>l9g$O!"(B
% $B$=$N%U%!%$%k$r;H$$$^$9!#(B
% $BFI$_9~$_8e$K%3!<%I$,<B9T$5$l$k$+$b$7$l$^$;$s!#(B
% \changes{v1.0s}{2017/12/05}{$B%G%U%)%k%H@_Dj%U%!%$%k$NFI$_9~$_$r(B
% \file{plcore.ltx}$B$+$i(B\file{platex.ltx}$B$X0\F0(B}
% \changes{v1.1b}{2020/09/28}{defs$BFI9~8e$K%U%C%/DI2C(B}
%\else
% Load font-related default settings, \file{pldefs.ltx}.
% If a file \file{pldefs.cfg} is found, then that file will be
% used instead.
% Some code may be executed after loading.
% \changes{v1.0s}{2017/12/05}{Moved loading default settings
% from \file{plcore.ltx} to \file{platex.ltx}}
% \changes{v1.1b}{2020/09/28}{Add hook after loading defs}
%\fi
% \begin{macrocode}
\InputIfFileExists{pldefs.cfg}
{\typeout{*************************************^^J%
* Local config file pldefs.cfg used^^J%
*************************************}}%
{\input{pldefs.ltx}}
\ifx\code@after@pldefs\@undefined\else \code@after@pldefs \fi
% \end{macrocode}
%
%\ifJAPANESE
% $B0JA0$N%P!<%8%g%s$G$O!"%U%)!<%^%C%H:n@.;~$K(B\pLaTeX{}$B$N%P!<%8%g%s$,(B
% $B$o$+$k$h$&$K!"C<Kv$KI=<($7$F$$$^$7$?$,!"(B|\everyjob| $B$K%P%J!<I=<((B
% $B0J30$N%3!<%I$,4^$^$l$k2DG=@-$r9MN8$7!"0BA4$N$?$a$d$a$^$7$?!#(B
% \changes{v1.0w}{2018/04/08}{$B0BA4$N$?$a%U%)!<%^%C%H:n@.;~$N(B
% $B%P%J!<I=<($r$d$a$?(B}
%\else
% In the previous version, we displayed \pLaTeX\ version
% on the terminal, so that it can be easily recognized
% during format creation; however |\everyjob| can contain
% any code other than showing a banner, so now disabled.
% \changes{v1.0w}{2018/04/08}{Stop showing banner during
% format generation for safety}
%\fi
% \begin{macrocode}
%\the\everyjob
% \end{macrocode}
%
%\ifJAPANESE
% \pLaTeXe{}$B$N5/F0;~$K(B\file{platex.cfg}$B$,$"$k>l9g!"$=$l$rFI$_9~$`(B
% $B$h$&$K$7$^$9!#(B
% $B%P!<%8%g%s(B2016/07/01$B$G$O%3!<%I$r(B\file{plcore.ltx}$B$KF~$l$F$$$^$7$?(B
% $B$,!"(B\file{platex.ltx}$B$X0\F0$7$^$7$?!#(B
% \changes{v1.0m}{2016/08/26}{\file{platex.cfg}$B$NFI$_9~$_$r(B
% \file{plcore.ltx}$B$+$i(B\file{platex.ltx}$B$X0\F0(B}
%\else
% Load \file{platex.cfg} if it exists at runtime.
% \changes{v1.0m}{2016/08/26}{Moved loading \file{platex.cfg}
% from \file{plcore.ltx} to \file{platex.ltx}}
%\fi
% \begin{macrocode}
\everyjob\expandafter{%
\the\everyjob
\IfFileExists{platex.cfg}{%
\typeout{*************************^^J%
* Loading platex.cfg.^^J%
*************************}%
\input{platex.cfg}}{}%
}
% \end{macrocode}
%
%\ifJAPANESE
% $B%U%)!<%^%C%H%U%!%$%k$K%@%s%W$7$^$9!#(B
% \changes{v1.0i}{2016/05/12}{$B0l;~%3%^%s%I(B\cs{orgdump}$B$r:G=*E*$KL$Dj5A$X(B}
%\else
% Dump to the format file.
% \changes{v1.0i}{2016/05/12}{Undefine temporary command
% \cs{orgdump} in the end.}
%\fi
% \begin{macrocode}
\let\dump\orgdump
\let\orgdump\@undefined
\makeatother
\dump
%\endinput
% \end{macrocode}
%
% \begin{macrocode}
%</plcore>
% \end{macrocode}
%
%\ifJAPANESE
% $B<B:]$K(B\pLaTeXe{}$B$X$N3HD%$r9T$J$C$F$$$k(B\file{plcore.ltx}$B$O!"(B
% \dst{}$B%W%m%0%i%`$K$h$C$F!"<!$N%U%!%$%k$NCGJR$,O"7k$5$l$?$b$N$G$9!#(B
%
% \begin{itemize}
% \item \file{plvers.dtx}$B$O!"(B\pLaTeXe{}$B$N%U%)!<%^%C%H%P!<%8%g%s$r(B
% $BDj5A$7$F$$$^$9!#(B
% \item \file{plfonts.dtx}$B$O!"(B\NFSS2$B$r3HD%$7$F$$$^$9!#(B
% \item \file{plcore.dtx}$B$O!">e5-0J30$N%3%^%s%I$G%U%)!<%^%C%H%U%!%$%k$K(B
% $B3JG<$5$l$k%3%^%s%I$rDj5A$7$F$$$^$9!#(B
% \end{itemize}
%
% $B$^$?!"%W%j%m!<%I%U%)%s%H$dAHHG%Q%i%a!<%?$J$I$N%G%U%)%k%H@_Dj$O!"(B
% \file{platex.ltx}$B$NCf$G(B\file{pldefs.ltx}$B$r%m!<%I$9$k$3$H$K$h$j9T$$$^$9(B
% \footnote{$B%"%9%-!<HG$G$O(B\file{plcore.ltx}$B$NCf$G%m!<%I$7$F$$$^$7$?$,!"(B
% 2018$BG/0J9_$N?7$7$$%3%_%e%K%F%#HG(B\pLaTeX{}$B$G$O(B
% \file{platex.ltx}$B$+$iFI$_9~$`$3$H$K$7$^$7$?!#(B}$B!#(B
% $B$3$N%U%!%$%k(B\file{pldefs.ltx}$B$b(B\file{plfonts.dtx}$B$+$i@8@.$5$l$^$9!#(B
% \begin{chuui}
% $B$3$N%U%!%$%k$K5-=R$5$l$F$$$k@_Dj$rJQ99$9$l$P(B
% \pLaTeXe{}$B$r%+%9%?%^%$%:$9$k$3$H$,$G$-$^$9$,!"(B
% $B$=$N>l9g$O(B\file{pldefs.ltx}$B$rD>@\=$@5$9$k$N$G$O$J$/!"$$$C$?$s(B
% \file{pldefs.cfg}$B$H$$$&L>A0$G%3%T!<$7$F!"$=$N%U%!%$%k$rJT=8$7$F$/$@$5$$!#(B
% $B%U%)!<%^%C%H:n@.;~$K(B\file{pldefs.cfg}$B$,B8:_$7$?>l9g$O!"$=$A$i$,(B
% \file{pldefs.ltx}$B$NBe$o$j$KFI$_9~$^$l$^$9!#(B
% \end{chuui}
%\else
% The file \file{plcore.ltx}, which provides modifications/extensions
% to make \pLaTeXe, is a concatenation of stripped files below
% using \dst\ program.
%
% \begin{itemize}
% \item \file{plvers.dtx} defines the format version of \pLaTeXe.
% \item \file{plfonts.dtx} extends \NFSS2 for Japanese font selection.
% \item \file{plcore.dtx} defines other modifications to \LaTeXe.
% \end{itemize}
%
% Moreover, default settings of pre-loaded fonts and typesetting parameters
% are done by loading \file{pldefs.ltx} inside
% \file{platex.ltx}.\footnote{ASCII \pLaTeX\ loaded \file{pldefs.ltx}
% inside \file{plcore.ltx}; however, \pLaTeX\ community edition newer than
% 2018 loads \file{pldefs.ltx} inside \file{platex.ltx}.}
% This file \file{pldefs.ltx} is also stripped from \file{plfonts.dtx}.
% \begin{chuui}
% You can customize \pLaTeXe\ by tuning these settings.
% If you need to do that, copy/rename it as \file{pldefs.cfg} and edit it,
% instead of overwriting \file{pldefs.ltx} itself.
% If a file named \file{pldefs.cfg} is found at a format creation
% time, it will be read as a substitute of \file{pldefs.ltx}.
% \end{chuui}
%\fi
%
%
%\ifJAPANESE
% \subsubsection{$B%P!<%8%g%s(B}
% \pLaTeXe{}$B$N%P!<%8%g%s$d%U%)!<%^%C%H%U%!%$%kL>$O!"(B
% \file{plvers.dtx}$B$GDj5A$7$F$$$^$9!#(B
%\else
% \subsubsection{Version}
% The version (like ``\pfmtversion'') and the format name
% (``\pfmtname'') of \pLaTeXe\ are defined in \file{plvers.dtx}.
%\fi
%
%
%\ifJAPANESE
% \subsubsection{\NFSS2$B%3%^%s%I(B}
% \LaTeXe{}$B$G$O!"%U%)%s%HA*Br5!9=$H$7$F(B\NFSS2$B$rMQ$$$F$$$^$9!#(B
% \pLaTeXe{}$B$G$O!"%*%j%8%J%k$N(B\NFSS2$B$HF1MM$N%$%s%?!<%U%'%$%9$G!"(B
% $BOBJ8%U%)%s%H$rA*Br$G$-$k$h$&$K!"(B\file{plfonts.dtx}$B$G(B\NFSS2$B$r3HD%$7$F$$$^$9!#(B
%
% \pLaTeXe{}$B$N(B\NFSS2$B$O!"%U%)%s%H$r@ZBX$($k%3%^%s%I$r;XDj$9$k$H$-$K!"(B
% $B$=$l$,2$J8=qBN$+OBJ8=qBN$N$$$:$l$+$rBP>]$H$9$k$b$N$+$r!"(B
% $B$G$-$k$@$10U<1$7$J$$$h$&$K$9$kJ}8~$G3HD%$7$F$$$^$9!#(B
% $B$$$$$+$($l$P!"%3%^%s%I$,!J2DG=$J8B$j$N!KH=CG$r$7$^$9!#(B
% $B$7$?$,$C$F?tB?$/$"$k1Q8lHG$N%/%i%9%U%!%$%k$d%Q%C%1!<%8%U%!%$%k$J$I$G(B
% $B=qBN$NJQ99$r9T$C$F$$$k2U=j$r=$@5$9$kI,MW$O$"$^$j$"$j$^$;$s!#(B
%
% \NFSS2$B$K$D$$$F$N>\:Y$O!"(B\LaTeXe{}$B$KIUB0$N(B\file{fntguide.tex}$B$r;2>H$7$F(B
% $B$/$@$5$$!#(B
%\else
% \subsubsection{\NFSS2 Commands}
% \LaTeXe\ uses \NFSS2 as a font selection scheme, however, it
% supports only alphabetic fonts.
% \pLaTeXe\ extends \NFSS2 to enable selection of Japanese fonts in
% a consistent manner with the original \NFSS2.
%
% Most of the interface commands are defined to be clever enough,
% so that it can automatically judge whether it is going to
% change alphpabetic fonts or Japanese fonts.
% It works almost fine with most of the widely used classes and
% packages, without any modification.
%
% For the defail of (the original) \NFSS2, please refer to
% \file{fntguide.tex} in \LaTeXe.
%\fi
%
%
%\ifJAPANESE
% \subsubsection{$B=PNO%k!<%A%s$H%U%m!<%H(B}
% \file{plcore.dtx}$B$O!"<!$N9`L\$K4X$9$k%3%^%s%I$rF|K\8l=hM}MQ$K=$@5$d3HD%(B
% $B$r$7$F$$$^$9!#(B
%
% \begin{itemize}
% \item $B%W%j%"%s%V%k%3%^%s%I(B
% \item $B2~%Z!<%8(B
% \item $B2~9T(B
% \item $B%*%V%8%'%/%H$N=PNO=g=x(B
% \item $B%H%s%\(B
% \item $B5SCm%^%/%m(B
% \item $BAj8_;2>H(B
% \item $B5?;w%?%$%WF~NO(B
% \end{itemize}
%\else
% \subsubsection{Output Routine and Floats}
% \file{plcore.dtx} modifies and extends some \LaTeXe\ commands
% for Japanese processing.
%
% \begin{itemize}
% \item Preamble commands
% \item Page breaking
% \item Line breaking
% \item The order of float objects
% \item Crop marks (``tombow'')
% \item Footnote macros
% \item Cross-referencing
% \item Verbatim
% \end{itemize}
%\fi
%
%
%\ifJAPANESE
% \subsection{$B%/%i%9%U%!%$%k$H%Q%C%1!<%8%U%!%$%k(B}
%
% \pLaTeXe{}$B$,Ds6!$r$9$k%/%i%9%U%!%$%k$d%Q%C%1!<%8%U%!%$%k$O!"(B
% $B%*%j%8%J%k$N%U%!%$%k$r4p$K$7$F$$$^$9!#(B
%
% \pLaTeXe{}$B$KIUB0$N%/%i%9%U%!%$%k$O!"<!$N$H$*$j$G$9!#(B
%
% \begin{itemize}
% \item jarticle.cls, jbook.cls, jreport.cls\par
% $B2#AHMQ$NI8=`%/%i%9%U%!%$%k!#(B
% \file{jclasses.dtx}$B$+$i:n@.$5$l$k!#(B
%
% \item tarticle.cls, tbook.cls, treport.cls\par
% $B=DAHMQ$NI8=`%/%i%9%U%!%$%k!#(B
% \file{jclasses.dtx}$B$+$i:n@.$5$l$k!#(B
%
% \item jltxdoc.cls\par
% $BF|K\8l$N(B\file{.dtx}$B%U%!%$%k$rAHHG$9$k$?$a$N%/%i%9%U%!%$%k!#(B
% \file{jltxdoc.dtx}$B$+$i:n@.$5$l$k!#(B
% \end{itemize}
%\else
% \subsection{Classes and Packages}
%
% Classes and packages bundled with \pLaTeXe\ are based on
% those in original \LaTeXe, with some Japanese localization.
%
% \pLaTeXe\ classes:
%
% \begin{itemize}
% \item jarticle.cls, jbook.cls, jreport.cls\par
% Standard \emph{yoko-kumi} (horizontal writing) classes;
% stripped from \file{jclasses.dtx}.
%
% \item tarticle.cls, tbook.cls, treport.cls\par
% Standard \emph{tate-kumi} (vertical writing) classes;
% stripped from \file{jclasses.dtx}.
%
% \item jltxdoc.cls\par
% Class for typesetting Japanese \file{.dtx} file;
% stripped from \file{jltxdoc.dtx}.
% \end{itemize}
%\fi
%
%\ifJAPANESE
% $B$^$?!"(B\pLaTeXe{}$B$KIUB0$N%Q%C%1!<%8%U%!%$%k$O!"<!$N$H$*$j$G$9!#(B
% \changes{v1.0d}{2016/01/27}{\pLaTeXe{}$B$KIUB0$9$k%U%!%$%k$N@bL@$r99?7(B}
% \changes{v1.0j}{2016/05/20}{pfltrace$B$N@bL@$rDI2C(B}
%
% \begin{itemize}
% \item plext.sty\par
% $B=DAHMQ$N3HD%%3%^%s%I$J$I$,Dj5A$5$l$F$$$k%U%!%$%k!#(B
% \file{plext.dtx}$B$+$i:n@.$5$l$k!#(B
%
% \item ptrace.sty\par
% \LaTeX{}$B$G%U%)%s%HA*Br%3%^%s%I$N%H%l!<%9$K;H$&(B\file{tracefnt.sty}$B$,(B
% $B:FDj5A$7$F$7$^$&(B\NFSS2$B%3%^%s%I$r!"(B\pLaTeXe{}$BMQ$K:F!9Dj5A$9$k$?$a$N(B
% $B%Q%C%1!<%8!#(B
% \file{plfonts.dtx}$B$+$i:n@.$5$l$k!#(B
%
% \item pfltrace.sty\par
% \LaTeX{}$B$G%U%m!<%H4XO"%3%^%s%I$N%H%l!<%9$K;H$&(B\file{fltrace.sty}%
% \footnote{\LaTeXe\ 2014/05/01$B$GDI2C$5$l$^$7$?!#;29M!'(B
% \LaTeXe\ News Issue 21 (ltnews21.tex)}$B$,:FDj5A$7$F$7$^$&%3%^%s%I(B
% $B$r!"(B\pLaTeXe{}$BMQ$K:F!9Dj5A$9$k$?$a$N%Q%C%1!<%8!#(B
% \file{plcore.dtx}$B$+$i:n@.$5$l$k!#(B
%
% \item oldpfont.sty\par
% \pLaTeX~2.09$B$N%U%)%s%H%3%^%s%I$rDs6!$9$k%Q%C%1!<%8!#(B
% \file{pl209.dtx}$B$+$i:n@.$5$l$k!#(B
% \end{itemize}
%
% $B$J$*!"0JA0$N%P!<%8%g%s$KF1:-$7$F$$$?(Bascmac$B%Q%C%1!<%8$H(B
% nidanfloat$B%Q%C%1!<%8$O!"JL$N%P%s%I%k$H$7$FFHN)$5$;$^$7$?!#(B
% \changes{v1.0t}{2018/02/07}{ascmac$B%Q%C%1!<%8$rFHN)$5$;$?(B}
% \changes{v1.0u}{2018/02/18}{nidanfloat$B%Q%C%1!<%8$rFHN)$5$;$?(B}
%\else
% \pLaTeXe\ packages:
% \changes{v1.0d}{2016/01/27}{Updated descriptions of \pLaTeXe\ files}
% \changes{v1.0j}{2016/05/20}{Add description of `pfltrace'}
%
% \begin{itemize}
% \item plext.sty\par
% Useful macros and extensions for vertical writing;
% stripped from \file{plext.dtx}.
%
% \item ptrace.sty\par
% \pLaTeXe\ version of \file{tracefnt.sty};
% the package \file{tracefnt.sty} overwrites \pLaTeXe-style \NFSS2
% commands, so \file{ptrace.sty} provides redefinitions to recover
% \pLaTeXe\ extensions.
% Stripped from \file{plfonts.dtx}.
%
% \item pfltrace.sty\par
% \pLaTeXe\ version of \file{fltrace.sty} (introduced in
% \LaTeXe\ 2014/05/01);
% stripped from \file{plcore.dtx}.
%
% \item oldpfont.sty\par
% Provides \pLaTeX~2.09 font commands;
% stripped from \file{pl209.dtx}.
% \end{itemize}
%
% The packages ``ascmac.sty'' and ``nidanfloat.sty'',
% which had been included in previous versions of \pLaTeX,
% is now distributed as a separate bundle.
% \changes{v1.0t}{2018/02/07}{Moved ascmac package to separate bundle}
% \changes{v1.0u}{2018/02/18}{Moved nidanfloat package to separate bundle}
%\fi
%
%
%\ifJAPANESE
% \section{$BB>$N%U%)!<%^%C%H!&5l%P!<%8%g%s$H$N8_49@-(B}
% \label{platex:compatibility}
% $B$3$3$G$O!"$3$N(B\pLaTeXe{}$B$N%P!<%8%g%s$H0JA0$N%P!<%8%g%s!"$"$k$$$O(B
% \LaTeXe{}$B$H$N8_49@-$K$D$$$F@bL@$r$7$F$$$^$9!#(B
%
% \subsection{\LaTeXe{}$B$H$N8_49@-(B}
% \pLaTeXe{}$B$O!"(B\LaTeXe{}$B$N>e0L8_49$H$$$&7A$r<h$C$F$$$^$9$,!"(B
% $B$$$/$D$+$NL?Na$NDj5A$d%Q%i%a!<%?$J$I$bJQ99$7$F$$$^$9!#(B
% $B$7$?$,$C$F1QJ8=q$J$I!"(B\LaTeXe{}$B$G$b=hM}$G$-$k%U%!%$%k$r(B
% \pLaTeXe{}$B$G=hM}$7$F$b!"40A4$KF1$87k2L$K$J$k$H$O8B$j$^$;$s!#(B
%
% \LaTeXe{}$B8~$1$K=q$+$l$?B?$/$N%/%i%9%U%!%$%k$d%Q%C%1!<%8%U%!%$%k$O!"(B
% $B$=$N$^$^;H$($k$H;W$$$^$9!#(B
% $B$?$@$7!"$=$l$i$,(B\pLaTeXe{}$B$G3HD%$7$F$$$k%3%^%s%I$HF1$8L>A0$N(B
% $B%3%^%s%I$r:FDj5A$7$F$$$k>l9g$O!"(B
% $B$=$N3HD%$N;EJ}$K$h$C$F$O%(%i!<$K$J$k$3$H$b$"$j$^$9!#(B
% $BMQ$$$h$&$H$7$F$$$k%/%i%9%U%!%$%k$d%Q%C%1!<%8%U%!%$%k$,(B
% $B$&$^$/F0$/$+$I$&$+$r!"40A4$K3N$+$a$kJ}K!$O;DG0$J$,$i$"$j$^$;$s!#(B
% $B0lHV4JC1$J$N$O!"F0$+$7$F$_$k$3$H$G$9!#IT9,$K$b$&$^$/F0$+$J$$>l9g$O!"(B
% $B%m%0%U%!%$%k$dIUB0$NJ8=q%U%!%$%k$r;29M$K860x$rD4$Y$F$/$@$5$$!#(B
%
% $B$J$*!"$$$/$D$+$N(B\LaTeX{}$B%Q%C%1!<%8$K$D$$$F$O!"(B\pLaTeX{}$B8~$1$N(B
% $B%Q%C%A$,MQ0U$5$l$F$$$^$9!#$=$N0lMw$O!"(B
% \texttt{plautopatch}$B%Q%C%1!<%8!J(BHironobu Yamashita$B:n!K$N(B
% $B%I%-%e%a%s%H!JF|K\8lHG$O(Bplautopatch-ja.pdf$B!K$K5-:\$5$l$F$$$^$9!#(B
% \changes{v1.0x}{2018/09/03}{plautopatch$B$K8@5Z(B}
%\else
% \section{Compatibility with Other Formats and Older Versions}
% \label{platex:compatibility}
% Here we provide some information about the compatibility between
% current \pLaTeXe\ and older versions or original \LaTeXe.
%
% \subsection{Compatibility with \LaTeXe}
% \pLaTeXe\ is in most part upward compatible with \LaTeXe,
% but some parameters are adjusted to be suitable for Japanese.
% Therefore, you should not expect identical output, even though
% the same source can be processed on both \LaTeXe\ and \pLaTeXe.
%
% We hope that most classes and packages meant for \LaTeXe\ works
% also for \pLaTeXe\ without any modification. However for example,
% if a class or a package redefines a command which is already
% modified by \pLaTeXe, it might cause an error at the worst case.
% We cannot tell whether a class or a package works fine with
% \pLaTeXe\ beforehand; the easiest way is to try to use it.
% If it fails, please refer to the log file or a package manual.
%
% Some \LaTeX\ packages are known to be incompatible with \pLaTeX.
% For those packages, \pLaTeX-specific patches might be available.
% Please refer to the documentation of the \texttt{plautopatch}
% package (by Hironobu Yamashita).
% \changes{v1.0x}{2018/09/03}{Mention plautopatch.}
%\fi
%
%\ifJAPANESE
% \subsection{\pLaTeX~2.09$B$H$N8_49@-(B}
% \pLaTeXe{}$B$G$O!"J8=q$,;HMQ$9$k%/%i%9$r!"(B
% $B%W%j%"%s%V%k$G(B|\documentclass|$B%3%^%s%I$K$h$j;XDj$7$^$9!#(B
% $B$3$3$G(B|\documentclass|$B$NBe$o$j$K(B|\documentstyle|$B$r(B
% $BMQ$$$k$H!"(B\pLaTeXe{}$B$O<+F0E*$K(B\emph{2.09$B8_49%b!<%I(B}$B$KF~$j$^$9!#(B
% $B$3$l$O(B\LaTeXe{}$B$,(B\LaTeX~2.09$B8_49%b!<%I$KF~$k$N$HF1MM$G!"(B
% $B8_49%b!<%I$O8E$$J8=q$rAHHG$9$k$?$a$@$1$K:n$i$l$F$$$^$9!#(B
% $B?7$7$/J8=q$r:n@.$9$k>l9g$O!"(B|\documentclass|$B%3%^%s%I$rMQ$$$F$/$@$5$$!#(B
%
% $B8_49%b!<%I$G$O(B(p)\LaTeXe{}$B$N?7$7$$5!G=$rMxMQ$G$-$:!"(B
% $B$^$?8E$$%M%$%F%#%V$J(B\pLaTeX~2.09$B4D6-$HHyL/$K0[$J$k7k2L$K$J$k(B
% $B2DG=@-$b$"$k$H$$$&E@$O!"1Q8lHG$N(B\LaTeXe{}$B$G$bF1$8$G$9!#(B
% $B>\:Y$O!"(B\LaTeXe $B$KIUB0$N(B\file{usrguide.tex}$B$r;2>H$7$F$/$@$5$$!#(B
%\else
% \subsection{Compatibility with \pLaTeX~2.09}
% \pLaTeXe\ has `\pLaTeX~2.09 compatibility mode'; use
% |\documentstyle| to enter it, but the support might be limited.
% Note that the 2.09 compatibility mode is provided solely to
% allow you to process very old documents,
% which were written for a very old system.
%\fi
%
%
%\ifJAPANESE
% \subsection{latexrelease$B%Q%C%1!<%8$X$NBP1~(B}
% \changes{v1.0e}{2016/02/16}{platexrelease$B$N@bL@$rDI2C(B}
% \LaTeX\ \texttt{<2015/01/01>}$B$GF3F~$5$l$?(Blatexrelease$B%Q%C%1!<%8$r(B
% $B$b$H$K!"?7$7$$(B\pLaTeX{}$B$G$O(Bplatexrelease$B%Q%C%1!<%8$rMQ0U$7$^$7$?!#(B
% platexrelease$B%Q%C%1!<%8$rMQ$$$k$H!"2a5n$N(B\pLaTeX{}$B$r%(%_%e%l!<%H(B
% $B$7$?$j!"%U%)!<%^%C%H$r:n$jD>$9$3$H$J$/?7$7$$(B\pLaTeX{}$B$r;n$7$?$j$9$k(B
% $B$3$H$,$G$-$^$9!#>\:Y$O(Bplatexrelease$B$N%I%-%e%a%s%H$r;2>H$7$F$/$@$5$$!#(B
%\else
% \subsection{Support for Package `latexrelease'}
% \changes{v1.0e}{2016/02/16}{Add a description of platexrelease}
% \pLaTeX\ provides `platexrelease' package, which is based on
% `latexrelease' package (introduced in \LaTeX\ \texttt{<2015/01/01>}).
% It may be used to ensure stability where needed, by emulating
% the specified format date without regenerating the format file.
% For more detail, please refer to its documentation.
%\fi
%
%
%
% \appendix
%
%\ifJAPANESE
% \section{\dst{}$B%W%m%0%i%`$N$?$a$N%*%W%7%g%s(B}\label{app:dst}
% $B$3$NJ8=q$N%=!<%9(B(\file{platex.dtx})$B$r(B\dst{}$B%W%m%0%i%`$G(B
% $B=hM}$9$k$3$H$K$h$C$F!"(B
% $B$$$/$D$+$N0[$J$k%U%!%$%k$r@8@.$9$k$3$H$,$G$-$^$9!#(B
% \dst{}$B%W%m%0%i%`$N>\:Y$O!"(B\file{docstrip.dtx}$B$r;2>H$7$F$/$@$5$$!#(B
%
% $B$3$NJ8=q$N(B\dst{}$B%W%m%0%i%`$N$?$a$N%*%W%7%g%s$O!"<!$N$H$*$j$G$9!#(B
%
% \DeleteShortVerb{\|}
% \begin{center}
% \begin{tabular}{l|p{.8\linewidth}}
% \emph{$B%*%W%7%g%s(B} & \emph{$B0UL#(B}\\\hline
% plcore & $B%U%)!<%^%C%H%U%!%$%k$r:n$k$?$a$N%U%!%$%k$r@8@.(B\\
% pldoc & \pLaTeXe{}$B$N%=!<%9%U%!%$%k$r$^$H$a$FAHHG$9$k$?$a$N(B
% $BJ8=q%U%!%$%k(B(pldoc.tex)$B$r@8@.(B\\[2mm]
% shprog & $B>e5-$N%U%!%$%k$r:n@.$9$k$?$a$N(Bsh$B%9%/%j%W%H$r@8@.(B\\
% plprog & $BF~$l;R9=B$$rD4$Y$k4JC1$J(Bperl$B%9%/%j%W%H$r@8@.(B\\