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plext.dtx
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% \iffalse meta-comment
%% File: plext.dtx
%
% Copyright 2001 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
%
%
% \setcounter{StandardModuleDepth}{1}
% \StopEventually{}
%
% \iffalse
% \changes{v1.0}{1994/09/16}{first edition}
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% \changes{v1.1b}{1995/04/01}{$B8_49%b!<%IItJ,$rJL%U%!%$%k$K0\F0(B}
% \changes{v1.1c}{1995/08/25}{\cs{newline}, \cs{strut}$B$N=$@5(B}
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% \changes{v1.1d}{1995/11/21}{\cs{Rensuji}, \cs{prensuji}$B$r:n@.(B}
% \changes{v1.1e}{1995/11/21}{$B%W%j%"%s%V%k%3%^%s%I$r(B\file{plcore}$B$K0\F0(B}
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% \changes{v1.2c}{2016/11/19}{Use \cs{setlength}, so that
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% (sync with ltboxes.dtx v1.1a)}
% \changes{v1.2c}{2016/11/19}{put \cs{global} into definition
% of \cs{@minipagefalse} (sync with ltboxes.dtx v1.0z)}
% \changes{v1.2c}{2016/11/19}{Changed \cs{endgraf} to
% \cs{@@par} (sync with ltboxes.dtx v1.0y)}
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% \changes{v1.2c}{2016/11/19}{Ensure \cs{@parboxto} holds the value
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% \changes{v1.2e}{2017/03/02}{Make \cs{parbox} Robust
% (sync with ltboxes.dtx 2015/01/08 v1.1h)}
% \changes{v1.2f}{2017/03/28}{$BI=$H<~0O$H$NB7$(0LCV$r=$@5(B}
% \changes{v1.2f}{2017/03/28}{$BCJMn$NH"$H<~0O$H$NB7$(0LCV$r=$@5(B}
% \changes{v1.2g}{2017/05/04}{Make \cs{pbox} Robust}
% \changes{v1.2g}{2017/05/04}{Use \cs{setlength}, so that
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% \changes{v1.2h}{2017/07/21}{$BI=$H<~0O$H$NB7$(0LCV$r$5$i$K=$@5(B}
% \changes{v1.2i}{2018/09/09}{Made caption an error outside a float: latex/2815
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% \changes{v1.2i}{2018/09/09}{Moved the code associated with
% \cs{@mkpream} into the group provided by the box,
% for robustness (latex/2183)
% (sync with lttab.dtx 1996/10/21 v1.1i)}
% \changes{v1.2i}{2018/09/09}{Use \cs{set@typeset@protect}
% (sync with lttab.dtx 1996/10/21 v1.1i)}
% \changes{v1.2i}{2018/09/09}{Check for hmode to see if something
% went wrong during parsing (pr/2884)
% (sync with lttab.dtx 1998/11/13 v1.1m)}
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% \cs{...@layoutc@ption}$B$XJQ99(B}
% \changes{v1.2j}{2018/09/20}{Change \cs{@stabular} to \cs{p@stabular},
% to avoid conflict with \textsf{stabular} package}
% \changes{v1.2k}{2018/10/07}{$B%-%c%W%7%g%s$N%G%U%)%k%H$NAHJ}8~$r(By$B$+$i(Bn$B$X(B
% $BJQ99(B (forum:2506, issue~76)}
% \changes{v1.2k}{2018/10/07}{$B%-%c%W%7%g%s$NAH$_J}8~$,4pK\AH$NAH$_J}8~$H(B
% $BD>8r$9$k>l9g$K!"?<$5$rK:$l$F$$$?%P%0=$@5(B (forum:2506, issue~76)}
% \changes{v1.2l}{2019/09/29}{Make \cs{bou} robust}
% \changes{v1.2l}{2019/09/29}{Make \cs{kasen} robust}
% \changes{v1.2m}{2020/10/07}{$B%^%/%mDI2C(B}
% \changes{v1.2m}{2020/10/07}{Use \cs{@defaultunitsset} (gh/372)
% (sync with ltpictur.dtx 2020/08/14 v1.2a)}
% \fi
%
% \iffalse
\NeedsTeXFormat{pLaTeX2e}
%<*driver>
\ProvidesFile{plext.dtx}
%</driver>
%<package>\ProvidesPackage{plext}
[2020/10/07 v1.2m pLaTeX package file (community edition)]
%<*driver>
\RequirePackage{plautopatch}
\documentclass[dvipdfmx,a4paper]{jltxdoc}
\usepackage{plext}
\GetFileInfo{plext.dtx}
\title{p\LaTeXe{}$B3HD%%Q%C%1!<%8(B\space\fileversion}
\author{Ken Nakano}
\date{$B:[email protected]|!'(B\filedate}
\begin{document}
\maketitle
\tableofcontents
\DocInput{\filename}
\end{document}
%</driver>
% \fi
%
%
% \section{$B35MW(B}\label{plext:intro}
% $B$3$N%Q%C%1!<%8$O!"0J2<$N9`L\$K4X$9$k5!G=$r3HD%$9$k$b$N$G$9!#(B
%
% \begin{itemize}
% \item $BI=AH4D6-(B
% \item $B%U%m!<%H$H%-%c%W%7%g%s$N=PNO0LCV(B
% \item $BCJMn%\%C%/%94D6-(B
% \item $B:n?^4D6-(B
% \item $BO"?t;z!"4A?t;z!"K5E@!"2<@~(B
% \item $B;2>HHV9f(B
% \end{itemize}
%
% $B$3$N%Q%C%1!<%8$O=DAHMQ%/%i%9!J(Btarticle, tbook, treport$B!K$N$H$-$K$O!"(B
% $B<+F0E*$KFI$_9~$^$l$^$9!#2#AHMQ%/%i%9!J(Bjarticle, jbook, jreport$B!K$G(B
% $B3HD%5!G=$r;H$$$?$$>l9g$O!"J8=q%U%!%$%k$N%W%j%"%s%V%k$K0J2<$N0l9T$r(B
% $B5-=R$7$F$/$@$5$$!#(B
%
%\begin{verbatim}
% \usepackage{plext}
%\end{verbatim}
%
% \section{$BAHJ}8~%*%W%7%g%s$K$D$$$F(B}
% $B$D$.$N4D6-$d%3%^%s%I$O!"AHJ}8~%*%W%7%g%s$,DI2C$5$l!"3HD%$5$l$F$$$^$9!#(B
%
% \begin{itemize}
% \item tabular$B4D6-!"(Barray$B4D6-(B
% \item |\layoutcaption|$B%3%^%s%I(B
% \item minipage$B4D6-!"(B|\parbox|$B%3%^%s%I!"(B|\pbox|$B%3%^%s%I(B
% \item picture$B4D6-(B
% \end{itemize}
%
% $BAHJ}8~%*%W%7%g%s$O!"%3%^%s%IL>$d4D6-$N8e$m$G(B|<|$B$H(B|>|$B$G0O$C$F!"(B
% ``y'', ``t'', ``z''$B$N$$$:$l$+$r;XDj$7$^$9!#(B
% $B$=$l$>$l$N%*%W%7%g%s$N0UL#$O$D$.$N$H$*$j$G$9!#(B
% $B%G%U%)%k%H$NAH$_J}8~$O!"2#AH$N$H$-$O(B``y''$B!"=DAH$N$H$-$O(B``t''$B$G$9!#(B
%
% \medskip
% \DeleteShortVerb{\|}
% \begin{center}
% \begin{tabular}{c|l}
% \emph{$B%*%W%7%g%s(B} & \emph{$B0UL#(B}\\\hline
% \texttt{y}& $B2#AH$G=PNO!J2#AH%b!<%I$G$O2?$b$7$J$$!K(B\\
% \texttt{t}& $B=DAH$G=PNO!J=DAH%b!<%I$G$O2?$b$7$J$$!K(B\\
% \texttt{z}& 90$BEY2sE>$7$F=PNO!J2#AH%b!<%I$G$O2?$b$7$J$$!K(B\\
% \end{tabular}
% \end{center}
% \MakeShortVerb{\|}
%
% $BAHJ}8~%*%W%7%g%s$rMQ$$$?%5%s%W%k$r?^(B\ref{fig:diroption}$B$K<($7$^$9!#(B
% $B:8$+$i!"(B``y'', ``t'', ``z''$B%*%W%7%g%s$r;XDj$7$F$"$j$^$9!#(B
%
% \begin{figure}[htb]
% \begin{small}
% \begin{tsample}{10zw}
% \vfil
% \parbox<z>{10zw}{$B$?$H$($P!"$3$l$O$$$C$?$$2?!"$$$C$?$$$I$&$7$F!"(B
% $B$J$I$H;W$($k$h$&$J$3$H$,@$$NCf$K$O$?$/$5$s$"$j$^$9!*(B}\par
% \vfil
% \parbox<t>{10zw}{$B$?$H$($P!"$3$l$O$$$C$?$$2?!"$$$C$?$$$I$&$7$F!"(B
% $B$J$I$H;W$($k$h$&$J$3$H$,@$$NCf$K$O$?$/$5$s$"$j$^$9!)(B}\par
% \vfil
% \parbox<y>{10zw}{$B$?$H$($P!"$3$l$O$$$C$?$$2?!"$$$C$?$$$I$&$7$F!"(B
% $B$J$I$H;W$($k$h$&$J$3$H$,@$$NCf$K$O$?$/$5$s$"$j$^$9!#(B}
% \vfil
% \end{tsample}
% \end{small}
% \caption{$BAHJ}8~%*%W%7%g%s$N;HMQNc(B\label{fig:diroption}}
% \end{figure}
%
%
% \section{$B%3!<%I(B}
%
% \begin{macro}{\if@rotsw}
% $B$3$N%9%$%C%A$O!"=DAH%b!<%I$G(B90$BEY2sE>$5$;$k$+$I$&$+$r<($9$N$K;H$$$^$9!#(B
% \begin{macrocode}
%<*package>
\newif\if@rotsw
% \end{macrocode}
% \end{macro}
%
%
% \subsection{$BI=AH4D6-(B}
% tabular$B4D6-$H(Barray$B4D6-$O!"AHJ}8~$r;XDj$9$k%*%W%7%g%s$rDI2C$7$^$7$?!#(B
% $B$3$l$i$N%3%^%s%I$O!"(B\file{lttab.dtx}$B$GDj5A$5$l$F$$$^$9!#(B
%
% \begin{macro}{\array}
% \begin{macro}{\tabular}
% \begin{macro}{\tabular*}
% array$B4D6-$H(Btabular$B4D6-$r3+;O$9$k%3%^%s%I$G$9!#(B
% tabular$B4D6-$K$O%"%9%?%j%9%/7A<0$,$"$j$^$9!#(B
% \begin{macrocode}
\def\array{\let\@acol\@arrayacol \let\@classz\@arrayclassz
\let\@classiv\@arrayclassiv
\let\\\@arraycr\let\@halignto\@empty\X@tabarray}
%
\def\tabular{\let\@halignto\@empty\X@tabular}
\@namedef{tabular*}{\@ifnextchar<%>
{\p@stabular}{\p@stabular<Z>}}
% \end{macrocode}
% \end{macro}
% \end{macro}
% \end{macro}
%
% \begin{macro}{\X@tabarray}
% \begin{macro}{\X@tabular}
% $BAHJ}8~%*%W%7%g%s$rD4$Y$^$9!#(B
% \changes{v1.1c}{1995/08/11}{\cs{tabarray}$B$N%?%$%W%_%9=$@5(B}
% \changes{v1.1d}{1995/11/10}{\cs{@tabarray} to \cs{p@tabarray}}
% \changes{v1.1d}{1995/11/10}{\cs{@tabular} to \cs{p@tabular}}
% \begin{macrocode}
\def\X@tabarray{\@ifnextchar<%>
{\p@tabarray}{\p@tabarray<Z>}}
\def\X@tabular{\@ifnextchar<%>
{\p@tabular}{\p@tabular<Z>}}
% \end{macrocode}
% \end{macro}
% \end{macro}
%
% \begin{macro}{\p@stabular}
% \begin{macro}{\p@tabular}
% $B%"%9%?%j%9%/7A<0$N>l9g$O!"AHJ}8~%*%W%7%g%s$N8e$m$KI}$r;XDj$7$^$9!#(B
% \changes{v1.1d}{1995/11/10}{\cs{@tabular} to \cs{p@tabular}}
% \changes{v1.2a}{2016/08/20}{tabular$B4D6-A0$NM>J,$J(B\cs{xkanjiskip}$B$r:o=|(B}
% \changes{v1.2c}{2016/11/19}{Use \cs{setlength}, so that
% calc extensions apply (sync with lttab.dtx v1.1j)}
% \changes{v1.2j}{2018/09/20}{Change \cs{@stabular} to \cs{p@stabular},
% to avoid conflict with \textsf{stabular} package}
% \begin{macrocode}
\def\p@stabular<#1>#2{%
\setlength\dimen@{#2}%
\edef\@halignto{to\the\dimen@}\p@tabular<#1>}
\def\p@tabular<#1>{\leavevmode \null\hbox \bgroup $\let\@acol\@tabacol
\let\@classz\@tabclassz
\let\@classiv\@tabclassiv \let\\\@tabularcr\p@tabarray<#1>}
% \end{macrocode}
% \end{macro}
% \end{macro}
%
% \begin{macro}{\p@tabarray}
% $B0LCV%*%W%7%g%s$rD4$Y$^$9!#(B
% \changes{v1.1d}{1995/11/10}{\cs{@tabarray} to \cs{p@tabarray}}
% \begin{macrocode}
\def\p@tabarray<#1>{\m@th\@ifnextchar[%]
{\p@array<#1>}{\p@array<#1>[c]}}
% \end{macrocode}
% \end{macro}
%
% \begin{macro}{\p@array}
% tabular$B4D6-$H(Barray$B4D6-$NFbIt7A<0$G$9!#(B
% \changes{v1.1c}{1995/09/11}{Add \cs{adjustbaseline}.}
% \changes{v1.1d}{1995/11/10}{\cs{@array} to \cs{p@array}}
% \changes{v1.2a}{2016/08/20}{$B2#AH$G(B\texttt{<t>}$B$r;XDj$7$?>l9g$K(B
% \cs{@arstrutbox}$B$rM>7W$K(B\cs{hbox}$B$KF~$l$F$$$?$N$r=$@5(B}
% \changes{v1.2i}{2018/09/09}{Moved the code associated with
% \cs{@mkpream} into the group provided by the box,
% for robustness (latex/2183)
% (sync with lttab.dtx 1996/10/21 v1.1i)}
% \begin{macrocode}
\def\p@array<#1>[#2]#3{%
\fork@array@option<#1>[#2]\@begin@alignbox
\bgroup\box@dir\adjustbaseline
\setbox\@arstrutbox\hbox{%
\iftdir
\if #1y\relax\yoko
\vrule\@height\arraystretch\ht\strutbox
\@depth\arraystretch\dp\strutbox \@width\z@
\else\if #1z\relax\@rotswtrue
\vrule\@height\arraystretch\ht\zstrutbox
\@depth\arraystretch\dp\zstrutbox \@width\z@
\else
\vrule\@height\arraystretch\ht\tstrutbox
\@depth\arraystretch\dp\tstrutbox \@width\z@
\fi\fi
\else
\if #1t\relax\tate
\vrule\@height\arraystretch\ht\tstrutbox
\@depth\arraystretch\dp\tstrutbox \@width\z@
\else
\vrule\@height\arraystretch\ht\strutbox
\@depth\arraystretch\dp\strutbox \@width\z@
\fi
\fi}%
\@mkpream{#3}\edef\@preamble{\ialign \noexpand\@halignto
\bgroup \tabskip\z@skip \@arstrut \@preamble \tabskip\z@skip \cr}%
\let\@startpbox\@@startpbox \let\@endpbox\@@endpbox
\let\tabularnewline\\%
% \end{macrocode}
% \changes{v1.2i}{2018/09/09}{Use \cs{set@typeset@protect}
% (sync with lttab.dtx 1996/10/21 v1.1i)}
% \begin{macrocode}
\let\par\@empty
\let\@sharp##%
\set@typeset@protect
\lineskip\z@skip\baselineskip\z@skip
% \end{macrocode}
% \changes{v1.2i}{2018/09/09}{Check for hmode to see if something
% went wrong during parsing (pr/2884)
% (sync with lttab.dtx 1998/11/13 v1.1m)}
% \begin{macrocode}
\ifhmode \@preamerr\z@ \@@par\fi
\@preamble}
% \end{macrocode}
% \end{macro}
%
% \begin{macro}{\endarray}
% \begin{macro}{\endtabular}
% array$B4D6-$H(Btabular$B4D6-$N=*N;%3%^%s%I$G$9!#(B
% |\@end@alignbox|$B$O(B|\p@array|$B$+$i8F$S=P$5$l$k(B|\fork@array@option|$B$K$h$C$F(B
% $B@_Dj$5$l$^$9!#(B
% \changes{v1.2a}{2016/08/20}{tabular$B4D6-8e$NM>J,$J(B\cs{xkanjiskip}$B$r:o=|(B}
% \begin{macrocode}
\def\endarray{\crcr\egroup\egroup\@end@alignbox}
\def\endtabular{\crcr\egroup\egroup\@end@alignbox $\egroup\null}
\expandafter \let \csname endtabular*\endcsname = \endtabular
% \end{macrocode}
% \end{macro}
% \end{macro}
%
%
% \begin{macro}{\fork@array@option}
% array$B4D6-$H(Btabular$B4D6-$GM?$($i$l$?(B
% $BBh0l0z?t$HBhFs0z?t$NAH9g$;$NJ,4t$r9T$J$$$^$9!#(B
%
% $B%3%_%e%K%F%#HG$G$O!"%"%9%-!<HG$GIT<+A3$@$C$?I=AH!J(Barray$B4D6-$*$h$S(Btabular$B4D6-!K$H(B
% $B<~0O$NK\J8$H$NB7$(0LCV$r=$@5$7!"0J2<$N$h$&$K@_7W$7$^$7$?!#(B
% \begin{itemize}
% \item $B<~0O$NAHJ}8~$,2#AH$+$DAHJ}8~$,(B|<y>|, |<z>|$B;XDj$N>l9g(B
% \begin{itemize}
% \item |[t]|$B;XDj$N$H$-(B\\$B0l9TL\$N%Y!<%9%i%$%s$,<~0O$N$=$l$H0lCW!J7S@~$N>l9g$OOBJ8%Y!<%9%i%$%s$N0LCV!K(B
% \item |[c]|$B;XDj$N$H$-(B\\$BI=AH$NCf?4$,<~0O$N?t<0<4$rDL$k!J2$J8%Y!<%9%i%$%s%7%U%H$N1F6A2<!K(B
% \item |[b]|$B;XDj$N$H$-(B\\$B:G=*9T$N%Y!<%9%i%$%s$,<~0O$N$=$l$H0lCW!J7S@~$N>l9g$OOBJ8%Y!<%9%i%$%s$N0LCV!K(B
% \end{itemize}
% \item $B<~0O$NAHJ}8~$,2#AH$+$DAHJ}8~$,(B|<t>|$B;XDj$N>l9g(B
% \begin{itemize}
% \item |[t]|$B;XDj$N$H$-(B\\$BI=AH$N>eC<$,<~0O$NOBJ8%Y!<%9%i%$%s$H0lCW(B
% \item |[c]|$B;XDj$N$H$-(B\\$BI=AH$NCf?4$,<~0O$N?t<0<4$rDL$k!J2$J8%Y!<%9%i%$%s%7%U%H$N1F6A2<!K(B
% \item |[b]|$B;XDj$N$H$-(B\\$BI=AH$N2<C<$,<~0O$NOBJ8%Y!<%9%i%$%s$H0lCW(B
% \end{itemize}
% \item $B<~0O$NAHJ}8~$,=DAH$+$DAHJ}8~$,(B|<y>|$B;XDj$N>l9g(B
% \begin{itemize}
% \item |[t]|$B;XDj$N$H$-(B\\$BI=AH$N>eC<$,<~0O$NOBJ8%Y!<%9%i%$%s$H0lCW(B
% \item |[c]|$B;XDj$N$H$-(B\\$BI=AH$NCf?4$,<~0O$N?t<0<4$rDL$k!J2$J8%Y!<%9%i%$%s%7%U%H$N1F6A2<!K(B
% \item |[b]|$B;XDj$N$H$-(B\\$BI=AH$N2<C<$,<~0O$NOBJ8%Y!<%9%i%$%s$H0lCW(B
% \end{itemize}
% \item $B<~0O$NAHJ}8~$,=DAH$+$DAHJ}8~$,(B|<t>|$B;XDj$N>l9g(B
% \begin{itemize}
% \item |[t]|$B;XDj$N$H$-(B\\$B0l9TL\$N%Y!<%9%i%$%s$,<~0O$N$=$l$H0lCW!J7S@~$N>l9g$OOBJ8%Y!<%9%i%$%s$N0LCV!K(B
% \item |[c]|$B;XDj$N$H$-(B\\$BI=AH$NCf?4$,<~0O$N?t<0<4$rDL$k!J2$J8%Y!<%9%i%$%s%7%U%H$N1F6A2<!K(B
% \item |[b]|$B;XDj$N$H$-(B\\$B:G=*9T$N%Y!<%9%i%$%s$,<~0O$N$=$l$H0lCW!J7S@~$N>l9g$OOBJ8%Y!<%9%i%$%s$N0LCV!K(B
% \end{itemize}
% \item $B<~0O$NAHJ}8~$,=DAH$+$DAHJ}8~$,(B|<z>|$B;XDj$N>l9g(B
% \begin{itemize}
% \item |[t]|$B;XDj$N$H$-(B\\$B0l9TL\$N2$J8%Y!<%9%i%$%s$,<~0O$N$=$l$H0lCW(B
% \item |[c]|$B;XDj$N$H$-(B\\$BI=AH$NCf?4$,<~0O$N?t<0<4$rDL$k!J2$J8%Y!<%9%i%$%s%7%U%H$N1F6A2<!K(B
% \item |[b]|$B;XDj$N$H$-(B\\$B:G=*9T$N2$J8%Y!<%9%i%$%s$,<~0O$N$=$l$H0lCW(B
% \end{itemize}
% \end{itemize}
% \changes{v1.2f}{2017/03/28}{$BI=$H<~0O$H$NB7$(0LCV$r=$@5(B}
% \changes{v1.2h}{2017/07/21}{$BI=$H<~0O$H$NB7$(0LCV$r$5$i$K=$@5(B}
% \begin{macrocode}
\def\fork@array@option<#1>[#2]{%
\@rotswfalse
% \end{macrocode}
% $B=DAH%b!<%I$N$H$-!'(B
% \begin{macrocode}
\iftdir
\if #1y\relax\let\box@dir\yoko
\if #2t\relax
\def\@begin@alignbox{%
\@tempdima=\tbaselineshift
\advance\@tempdima-\ybaselineshift
\raise\@tempdima\vtop\bgroup\kern\z@\vtop}%
\let\@end@alignbox\egroup
\else\if #2b\relax
\def\@begin@alignbox{%
\@tempdima=\tbaselineshift
\advance\@tempdima-\ybaselineshift
\raise\@tempdima\vbox\bgroup\vbox}%
\def\@end@alignbox{\kern\z@\egroup}%
\else
\let\@begin@alignbox\vcenter
\let\@end@alignbox\relax
\fi\fi
\else\if #1z\relax\let\box@dir\relax\@rotswtrue
\if #2t\relax
\def\@begin@alignbox{%
\@tempdima=\tbaselineshift
\advance\@tempdima-\ybaselineshift
\advance\@tempdima\ht\tstrutbox
\raise\arraystretch\@tempdima\vtop\bgroup\kern\z@\vtop}%
\let\@end@alignbox\egroup
\else\if #2b\relax
\def\@begin@alignbox{%
\@tempdima=\tbaselineshift
\advance\@tempdima-\ybaselineshift
\advance\@tempdima-\dp\tstrutbox
\raise\arraystretch\@tempdima\vbox\bgroup\vbox}%
\def\@end@alignbox{\kern\z@\egroup}%
\else
\let\@begin@alignbox\vcenter
\let\@end@alignbox\relax
\fi\fi
\else\let\box@dir\tate
\if #2t\relax
\let\@begin@alignbox\vtop
\let\@end@alignbox\relax
\else\if #2b\relax
\let\@begin@alignbox\vbox
\let\@end@alignbox\relax
\else
\let\@begin@alignbox\vcenter
\let\@end@alignbox\relax
\fi\fi
\fi\fi
% \end{macrocode}
% $B2#AH%b!<%I$N$H$-!'(B
% \begin{macrocode}
\else
\if #1t\relax\let\box@dir\tate
\if #2t\relax
\def\@begin@alignbox{\vtop\bgroup\kern\z@\vbox}%
\let\@end@alignbox\egroup
\else\if #2b\relax
\def\@begin@alignbox{\vbox\bgroup\vbox}%
\def\@end@alignbox{\kern\z@\egroup}%
\else
\let\@begin@alignbox\vcenter
\let\@end@alignbox\relax
\fi\fi
\else\let\box@dir\yoko
\if #2t\relax
\let\@begin@alignbox\vtop
\let\@end@alignbox\relax
\else\if #2b\relax
\let\@begin@alignbox\vbox
\let\@end@alignbox\relax
\else
\let\@begin@alignbox\vcenter
\let\@end@alignbox\relax
\fi\fi
\fi\fi}
% \end{macrocode}
% \end{macro}
%
%
% \subsection{$B%U%m!<%H$H%-%c%W%7%g%s$N=PNO0LCV(B}
% $B%-%c%W%7%g%s$H%U%m!<%H$O!"(B
% $B=PNO0LCV$N;XDj$dBg$-$5$N;XDj$J$I$,$G$-$k$h$&$K3HD%$7$F$$$^$9!#(B
% $B>\:Y$O!"!XF|K\8l(B\LaTeXe{}$B%V%C%/!Y$r;2>H$7$F$/$@$5$$!#(B
%
% |\layoutfloat|$B%3%^%s%I$G:n$i$l$k%\%C%/%9$G$9!#(B
% \begin{macrocode}
\newbox\@floatbox
% \end{macrocode}
% $B%U%m!<%H%*%V%8%'%/%H$NI}$H9b$5$G$9!#(B
% \begin{macrocode}
\newdimen\floatwidth
\newdimen\floatheight
% \end{macrocode}
% $B%U%m!<%H%*%V%8%'%/%H$N$^$o$j$K0z$+$l$k7S@~$NB@$5$G$9!#(B
% \begin{macrocode}
\newdimen\floatruletick \floatruletick=0.4pt
% \end{macrocode}
% $B%U%m!<%H%*%V%8%'%/%H$H%-%c%W%7%g%s$N4V$N%"%-$G$9!#(B
% \begin{macrocode}
\newdimen\captionfloatsep \captionfloatsep=10pt
% \end{macrocode}
% |\caption@dir|$B$K$O!"%-%c%W%7%g%s$rAH$`J}8~$r<($9%*%W%7%g%s$,3JG<$5$l$^$9!#(B
% |\captiondir|$B$O(B|\caption@dir|$B$NCM$H8=:_$NAH$_J}8~$K$h$C$F!"(B
% |\yoko|, |\tate|, |\relax|$B$N$$$:$l$+$K@_Dj$5$l$^$9!#(B
% \begin{macrocode}
\def\caption@dir{Z}
\let\captiondir\relax
% \end{macrocode}
% $B%-%c%W%7%g%s$NI}$G$9!#(B
% \begin{macrocode}
\newdimen\captionwidth \captionwidth\z@
% \end{macrocode}
% $B%-%c%W%7%g%s$rIU$1$k0LCV$r;XDj$7$^$9!#(B
% \begin{macrocode}
\def\caption@posa{Z}
\def\caption@posb{Z}
% \end{macrocode}
% $BAH$_N)$F$i$l$?%-%c%W%7%g%s$,3JG<$5$l$k%\%C%/%9$G$9!#(B
% \begin{macrocode}
\newbox\@captionbox
% \end{macrocode}
% $B%-%c%W%7%g%s$K;H$o$l$kJ8;z$G$9!#(B
% \begin{macrocode}
\def\captionfontsetup{\normalfont\normalsize}
% \end{macrocode}
%
% \begin{macro}{\layoutfloat}
% \begin{macro}{\X@layoutfloat}
% \begin{macro}{\@layoutfloat}
% |\layoutfloat|$B$O?^I=N`$NBg$-$5$H0LCV$r;XDj$9$k$N$K;H$$$^$9!#(B
% $BBg$-$5$r>JN,$9$k$+!"Ii$NCM$r;XDj$9$k$H!"(B
% $B$=$N%*%V%8%'%/%H$N<+A3$JD9$5$K$J$j$^$9!#$3$N$H$-$O!"7S$,0z$+$l$^$;$s!#(B
% $B@5$NBg$-$5$r;XDj$9$k$H!"(B|\floatruletick|$B$NB@$5$N7S$G0O$^$l$^$9!#(B
%
% $B0LCV;XDj$r>JN,$7$?>l9g!"Cf1{B7$($K$J$k$h$&$K$7$F$$$^$9!#(B
% \begin{macrocode}
\def\layoutfloat{\@ifnextchar(%)
{\X@layoutfloat}{\X@layoutfloat(-5\p@,-5\p@)}}
%
\def\X@layoutfloat(#1,#2){\@ifnextchar[%]
{\@layoutfloat(#1,#2)}{\@layoutfloat(#1,#2)[c]}}
%
\long\def\@layoutfloat(#1,#2)[#3]#4{%
\setbox\z@\hbox{#4}%
\floatwidth=#1 \floatheight=#2 \edef\float@pos{#3}%
\ifdim\floatwidth<\z@
\floatwidth\wd\z@\floatruletick\z@
\fi
\ifdim\floatheight<\z@
\floatheight\ht\z@\advance\floatheight\dp\z@\relax
\floatruletick\z@
\fi
\setbox\@floatbox\vbox to\floatheight{\offinterlineskip
\hrule width\floatwidth height\floatruletick depth\z@
\vss\hbox to\floatwidth{%
\vrule width\floatruletick height\floatheight depth\z@
\hss\vbox to\floatheight{\hsize\floatwidth\vss#4\vss}\hss
\vrule width\floatruletick height\floatheight depth\z@
}\hrule width\floatwidth height\floatruletick depth\z@}}
% \end{macrocode}
% \end{macro}
% \end{macro}
% \end{macro}
%
% \begin{macro}{\DeclareLayoutCaption}
% |\DeclareLayoutCaption|$B%3%^%s%I$O!"%-%c%W%7%g%s$NAHJ}8~!"IU$1$k0LCV$dI}$N(B
% $B%G%U%)%k%H$r%U%m!<%H$N%?%$%W$4$H$K@_Dj$9$k$3$H$,$G$-$^$9!#(B
% $B$3$N%3%^%s%I$G%G%U%)%k%HCM$,@_Dj$5$l$F$$$J$$$H!"(B
% |\pcaption|$B%3%^%s%I$G%(%i!<$,H/$;$i$l$^$9!#(B
% $B$3$N%3%^%s%I$O%W%j%"%s%V%k$G$N$_!";HMQ$G$-$^$9!#(B
%
% |\DeclareLayoutCaption|\meta{type}^^A
% |<|\meta{dir}|>(|\meta{width}|)[|\meta{pos1}\meta{pos2}|]|
%
% $B%3%^%s%I0z?t$r>JN,$9$k$3$H$O$G$-$^$;$s!#(B
% \meta{dir}$B$K$O!"(B`|y|', `|t|', `|z|', `|n|'$B$N$$$:$l$+$r;XDj$7$^$9!#(B
% `|n|'$B$H;XDj$r$9$k$H!"K\J8$NAH$_J}8~$HF1$8J}8~$G%-%c%W%7%g%s$,AH$^$l$^$9!#(B
% $B$3$l$,%G%U%)%k%H$G$9!#!JJdB-!'(B2018/09/20 v1.2j$B$^$G$O!"$3$N@bL@$KH?$7$F(B
% $B<B:]$N%3!<%I$O(B`|y|'$B$,%G%U%)%k%H$K$J$C$F$*$j!"(B
% $B!VF|K\8l(B\LaTeXe{}$B%V%C%/!W$K$b(B`|y|'$B$H=q$+$l$F$$$^$7$?$,!"(B
% $B8e=R$N!z$N%P%0=$@5$K9g$o$;!"(B2018/10/07 v1.2k$B$G(B`|n|'$B$KD>$7$^$7$?!#!K(B
%
% \meta{width}$B$K$O!"%-%c%W%7%g%s$r@^$jJV$9D9$5$r;XDj$7$^$9!#(B
% `|(12zw)|'$B$H;XDj$r$9$k$H!"4A;z(B12$BJ8;zJ,$ND9$5$G@^$jJV$5$l$^$9!#(B
% $B%G%U%)%k%H$O(B|(.8\linewidth)|$B$G$9!#(B
% ^^A $B!JJdB-!'(B2018/09/20 v1.2j$B$^$G$O!"$3$3$N@bL@J8$@$1(B
% ^^A `|(\floatwidth)|'$B$,%G%U%)%k%H$H=q$+$l$F$$$^$7$?$,!"(B
% ^^A $B<B:]$N%3!<%I5Z$S!VF|K\8l(B\LaTeXe{}$B%V%C%/!W$K9g$o$;$^$7$?!#!K(B
% $B$J$*!"%-%c%W%7%g%s$NI}$r%U%m!<%H%*%V%8%'%/%H$NI}$K9g$o$;$k>l9g$O(B
% `|(\floatwidth)|'$B$H;XDj$7!"9b$5$K9g$o$;$k>l9g$O(B`|(\floatheight)|'$B$H(B
% $B;XDj$7$^$9!#(B
%
% \meta{pos1}$B$H(B\meta{pos2}$B$K$O!"%-%c%W%7%g%s$r=PNO$9$k0LCV$r;XDj$7$^$9!#(B
% \meta{pos1}$B$O!"(B`|c|', `|t|', `|b|'$B$N$$$:$l$+$G$9!#(B
% \meta{pos2}$B$O!"(B`|u|', `|d|', `|l|', `|r|'$B$N$$$:$l$+$G$9!#(B
% $B%G%U%)%k%H$O!"(B|figure|$B%?%$%W$,(B`|cd|'$B!"(B|table|$B%?%$%W$O(B`|cu|'$B$G$9!#(B
% \changes{v1.2i}{2018/09/09}{$B0BA4$N$?$a!"(B\cs{DeclareLayoutCaption}$B$G(B
% $BDj5A$9$kFbItL?Na$r(B\cs{...@layoutcaption}$B$+$i(B
% \cs{...@layoutc@ption}$B$XJQ99(B}
% \begin{macrocode}
\def\DeclareLayoutCaption#1<#2>(#3)[#4#5]{%
\expandafter
\ifx\csname #1@layoutc@ption\endcsname\relax \else
\@latex@info{Redeclaring capiton layout setting of '#1'}%
\fi
\expandafter
\gdef\csname #1@layoutc@ption\endcsname{%
\if Z\caption@dir\def\caption@dir{#2}\fi
\ifdim\captionwidth=\z@ \captionwidth=#3\relax\fi
\if Z\caption@posa\def\caption@posa{#4}\fi
\if Z\caption@posb\def\caption@posb{#5}\fi}}
\@onlypreamble\DeclareLayoutCaption
% \end{macrocode}
% \changes{v1.0h}{1996/03/13}{$B%-%c%W%7%g%s=PNO0LCV$N=i4|CM$r@_Dj(B}
% \changes{v1.2k}{2018/10/07}{$B%-%c%W%7%g%s$N%G%U%)%k%H$NAHJ}8~$r(By$B$+$i(Bn$B$X(B
% $BJQ99(B (forum:2506, issue~76)}
% \begin{macrocode}
\DeclareLayoutCaption{figure}<n>(.8\linewidth)[cd]
\DeclareLayoutCaption{table}<n>(.8\linewidth)[cu]
% \end{macrocode}
% \end{macro}
%
% \begin{macro}{\layoutcaption}
% \begin{macro}{\X@layoutcaption}
% \begin{macro}{\@ilayoutcaption}
% \begin{macro}{\@iilayoutcaption}
% |\DeclareLayoutCaption|$B%3%^%s%I$G@_Dj$r$7$?!"%G%U%)%k%HCM$H$O0[$J$k@_Dj$G(B
% $BAH$_$?$$>l9g$O!"(B|\layoutcaption|$B%3%^%s%I$r;HMQ$7$^$9!#(B
%
% |\layoutcaption<|\meta{dir}|>(|\meta{width}|)[|\meta{pos}|]|
%
% $B$J$*!"(B|\layoutcaption|$B$KAH$_J}8~%*%W%7%g%s$rIU$1$^$7$?$N$G!"(B
% |\captiondir|$B$GAH$_J}8~$r;XDj$9$kI,MW$O$"$j$^$;$s!#(B
% $B$^$?!"(B|\captiondir|$B$G;XDj$r$7$F$b!"$=$NCM$OL5;k$5$l$^$9!#(B
% \begin{macrocode}
\def\layoutcaption{\def\caption@dir{Z}\captionwidth\z@
\def\caption@posa{Z}\def\caption@posb{Z}%
\@ifnextchar<\X@layoutcaption{%
\@ifnextchar(\@ilayoutcaption{%
\@ifnextchar[\@iilayoutcaption\relax}}}
%
\def\X@layoutcaption<#1>{\def\caption@dir{#1}%
\@ifnextchar(\@ilayoutcaption{%
\@ifnextchar[\@iilayoutcaption\relax}}
%
\def\@ilayoutcaption(#1){\setlength\captionwidth{#1}%
\@ifnextchar[{\@iilayoutcaption}{\relax}}
%
\def\@iilayoutcaption[#1#2]{%
\def\caption@posa{#1}\def\caption@posb{#2}}
% \end{macrocode}
% \end{macro}
% \end{macro}
% \end{macro}
% \end{macro}
%
% \begin{macro}{\pcaption}
% \begin{macro}{\@pcaption}
% $B%-%c%W%7%g%s$r?^I=N`$NE7CO:81&$N;XDj2U=j$KIU$1$k$K$O(B|\pcaption|$B%3%^%s%I$G(B
% $B;XDj$r$7$^$9!#0LCV$N;XDj$O(B|\layoutcaption|$B%3%^%s%I$G9T$J$$$^$9!#(B
% |\layoutcaption|$B%3%^%s%I$,>JN,$5$l$?>l9g$O!"(B|\DeclareLayoutCaption|$B%3%^%s%I(B
% $B$G@_Dj$5$l$F$$$k%G%U%)%k%HCM$,;H$o$l$^$9!#(B
% \changes{v1.2i}{2018/09/09}{Made caption an error outside a float: latex/2815
% (sync with ltfloat 1999/04/19 v1.1u)}
% \begin{macrocode}
\def\pcaption{%
\ifx\@captype\@undefined
\@latex@error{\noexpand\pcaption outside float}\@ehd
\expandafter\@gobble
\else
\refstepcounter\@captype
\expandafter\@firstofone
\fi
{\@dblarg{\@pcaption\@captype}}%
}
%
\long\def\@pcaption#1[#2]#3{%
\addcontentsline{\csname ext@#1\endcsname}{#1}{%
\protect\numberline{\csname the#1\endcsname}{\ignorespaces#2}}%
\ifvoid\@floatbox
\@latex@error{Use \noexpand\pcaption with `\string\layoutfloat'}\@eha
\fi
\make@pcaptionbox{#3}%
\@pboxswfalse
\setbox\@tempboxa\vbox{\hbox to\hsize{\if l\float@pos\else\hss\fi
\if l\caption@posb\box\@captionbox\kern\captionfloatsep\fi
\if t\caption@posa\vtop
\else\if b\caption@posa\vbox
\else\@pboxswtrue $\vcenter \fi\fi
{\if u\caption@posb\box\@captionbox\kern\captionfloatsep\fi
\unvbox\@floatbox
\if d\caption@posb\kern\captionfloatsep\box\@captionbox\fi}%
\if@pboxsw \m@th$\fi
\if r\caption@posb\kern\captionfloatsep\box\@captionbox\fi
\if r\float@pos\else\hss\fi}}%
\par\vskip.25\baselineskip
\box\@tempboxa}
% \end{macrocode}
% \end{macro}
% \end{macro}
%
% \begin{macro}{\make@pcaptionbox}
% $B%-%c%W%7%g%s$rAH$_N)$F!"(B|\@captionbox|$B$r:n@.$7$^$9!#(B
% \begin{macrocode}
\def\make@pcaptionbox#1{%
% \end{macrocode}
% $B$^$:!"%G%U%)%k%H$N@_Dj$,$5$l$F$$$k$+$r3NG'$7$^$9!#(B
% $B@_Dj$5$l$F$$$J$$>l9g$O!"7Y9p%a%C%;!<%8$r=PNO$7!"(B
% $B8=:_$NAH%b!<%I$G$N%G%U%)%k%HCM$r;HMQ$7$^$9!#(B
% $B@_Dj$5$l$F$$$l$P!"$=$N%G%U%)%k%HCM$K$7$^$9!#(B
%
% \changes{v1.1h}{1996/03/13}{typo: \cs{@latex@warning}.}
% \begin{macrocode}
\expandafter
\ifx\csname\@captype @layoutc@ption\endcsname\relax
\@latex@warning{Default caption layout of `\@captype' unknown}%
\def\caption@dir{Z}\captionwidth\z@
\def\caption@posa{Z}\def\caption@posb{Z}%
\else
\csname \@captype @layoutc@ption\endcsname
\fi
% \end{macrocode}
% $B<!$K!"AH$_J}8~$r@_Dj$7$^$9!#(B
% $B4pK\AH$NAH$_J}8~$H%-%c%W%7%g%s$NAH$_J}8~$rJQ$($k>l9g$K$O!"(B
% |\@tempswa|$B$r??$H$7$^$9!#J8;z$r2sE>$5$;$k$H$-$O(B|\@rotsw|$B$r??$K$7$^$9!#(B
% \begin{macrocode}
\@rotswfalse \@tempswafalse
\iftdir\if y\caption@dir \let\captiondir\yoko \@tempswatrue
\else\if z\caption@dir \let\captiondir\relax \@rotswtrue
\else\let\captiondir\tate\fi\fi
\else\if t\caption@dir\let\captiondir\tate \@tempswatrue
\else\let\captiondir\yoko\fi
\fi
% \end{macrocode}
% $B%-%c%W%7%g%s$rAH$_N)$F$kA0$K!"$^$:!"%-%c%W%7%g%sJ8;zNs$,$I$NDxEY$ND9$5$r(B
% $B;}$C$F$$$k$N$+$r3NG'$9$k$?$a$K!"(B|\hbox|$B$KF~$l$^$9!#(B
% \begin{macrocode}
\setbox0\hbox{\if@rotsw $\fi\hbox{\captiondir
\captionfontsetup\parindent\z@\inhibitglue
\csname fnum@\@captype\endcsname\char\euc"A1A1\relax#1}%
\if@rotsw \m@th$\fi}%
% \end{macrocode}
% $B%-%c%W%7%g%s$NI}$K9g$o$;$k$?$a!":F$S!"%\%C%/%9$rAH$_N)$F$^$9!#(B
%
% $B%-%c%W%7%g%s$r@^$jJV$5$J$/$F$b$h$$>l9g!"(B|\@tempdima|$B$r%-%c%W%7%g%s$ND9$5$K(B
% $B$7$^$9!#$?$@$7!"%-%c%W%7%g%s$NAH$_J}8~$,4pK\AH$NAH$_J}8~$H0[$J$k>l9g(B
% $B!J(B|\@tempswa|$B$,??!K$O!"%\%C%/%9(B0$B$NI}$G$O$J$/!"9b$5$K@_Dj$r$7$^$9(B
% $B!J(Bp\TeX{}$B$G$OF1$8%\%C%/%9$G$b!"AHJ}8~$K$h$C$F(B |\wd| $B$H(B |\ht|+|\wd| $B$N(B
% $BJV$9@#K!$,0[$J$k$3$H$KCm0U!K!#(B
% |\captionwidth|$B$NCM$,!"%-%c%W%7%g%s$NI}$h$j$bD9$$>l9g!"(B
% $B@^$jJV$5$J$/$F$O$J$j$^$;$s$N$G!"(B|\@tempdima|$B$r(B|\captionwidth|$B$K$7$^$9!#(B
%
% \noindent\emph{$BF|K\8l(B\TeX{}$B3+H/%3%_%e%K%F%#$K$h$k=$@5(B}$B!'(B
% 2018/09/20 v1.2j$B$^$G$O!"%-%c%W%7%g%s$NAHJ}8~$,4pK\AH$NAH$_J}8~$H(B
% $BD>8r$9$k>l9g$K?<$5$r9MN8$9$k$N$rK:$l$F$$$?$?$a$K!"(B
% $BK\Mh$O@^$jJV$5$:$K:Q$`$O$:$NC;$$%-%c%W%7%g%s$,!"I,$:@^$jJV$5$l$F(B
% $B$7$^$&$H$$$&%P%0!J!z!K$,$"$j$^$7$?!#(B2018/10/07 v1.2k$B$G$3$N%P%0$r(B
% $B=$@5$7$?$?$a!"AHHG7k2L$,Bg$-$/JQ$o$k>l9g$,$"$j$^$9!#(B
% \changes{v1.2k}{2018/10/07}{$B%-%c%W%7%g%s$NAH$_J}8~$,4pK\AH$NAH$_J}8~$H(B
% $BD>8r$9$k>l9g$K!"?<$5$rK:$l$F$$$?%P%0=$@5(B (forum:2506, issue~76)}
% \begin{macrocode}
\if@tempswa \@tempdima\ht0 \advance\@tempdima\dp0
\else \@tempdima\wd0 \fi
\ifdim\@tempdima>\captionwidth \@tempdima\captionwidth \fi
\@pboxswfalse
\setbox0\hbox{\if@rotsw $\fi
\if u\caption@posb\vbox
\else\if d\caption@posb\vbox
\else\if t\caption@posa\vtop
\else\if b\caption@posa\vbox
\else\ifmmode\vcenter\else\@pboxswtrue $\vcenter\fi
\fi\fi\fi\fi
{\hsize\@tempdima\kern\z@
\vbox{\captiondir\hsize\@tempdima
\captionfontsetup\parindent\z@\inhibitglue
\csname fnum@\@captype\endcsname\char\euc"A1A1\relax#1}\kern\z@
}\if@pboxsw \m@th$\fi \if@rotsw \m@th$\fi}%
% \end{macrocode}
% $B:G8e$K(B|\@captionbox|$B$rAH$_N)$F$^$9!#(B
%
% $B0LCV(B2$B%*%W%7%g%s$,(B`|u|'$B$+(B`|d|'$B$N>l9g!"(B
% $B$3$N%\%C%/%9$NI}$r%U%m!<%H%*%V%8%'%/%H$NI}$HF1$8D9$5$K$7!"(B
% $B0LCV(B1$B%*%W%7%g%s$G$NB7$($KAH$_N)$F$^$9!#(B
%
% $B0LCV(B2$B%*%W%7%g%s$,(B`|l|'$B$+(B`|r|'$B$N>l9g$O!"%-%c%W%7%g%s$NI}$G$9!#(B
% $B$3$N$H$-$N0LCV(B1$B%*%W%7%g%s$NB7$($O!"$3$NA0$NCJ3,$G=`Hw$r$7$F$*$-!"(B
% |\@pcaption|$B$G:G=*E*$K%U%m!<%H%*%V%8%'%/%H$HAH$_9g$o$;$k$H$-$K$J$5$l$^$9!#(B
% \begin{macrocode}
\let\to@captionboxwidth\relax
\if l\caption@posb \else\if r\caption@posb\else
\def\to@captionboxwidth{to\floatwidth}\fi\fi
\setbox\@captionbox\hbox\to@captionboxwidth{%
\if t\caption@posa\else\hss\fi
\unhbox0\relax
\if b\caption@posa\else\hss\fi}}
% \end{macrocode}
% \end{macro}
%
%
%
% \subsection{$BCJMn%\%C%/%94D6-(B}
% minipage$B4D6-$H(B|\parbox|$B%3%^%s%I$b!"(Btabular$B4D6-$HF1$8$h$&$K!"(B
% $BAHJ}8~$r;XDj$9$k%*%W%7%g%s$rDI2C$7$F$"$j$^$9!#(B
% $B$3$l$i$N%3%^%s%I$O!"(B\file{ltboxes.dtx}$B$GDj5A$5$l$F$$$^$9!#(B
%
% |\parbox|$B%3%^%s%I$OI}$@$1$G$J$/9b$5$b;XDj$G$-$k$h$&$K$J$C$F$$$^$9!#(B
% $B?7$7$$(B|\parbox|$B%3%^%s%I$K$D$$$F$N>\:Y$O!"(B\file{usrguide.tex}$B$r;2>H(B
% $B$7$F$/$@$5$$!#(B
%
% \subsubsection*{minipage$B4D6-(B}
%
% \begin{macro}{\minipage}
% $BAHJ}8~%*%W%7%g%s$rD4$Y$^$9!#(B
% \begin{macrocode}
\def\minipage{\@ifnextchar<%>
{\X@minipage}{\X@minipage<Z>}}
% \end{macrocode}
% \end{macro}
%
% \begin{macro}{\X@minipage}
% $B0LCV%*%W%7%g%s$rD4$Y$^$9!#(B
% \changes{v1.2c}{2016/11/19}{Changed \cs{@empty} to \cs{relax} as
% flag for natural width: pr/2975 (sync with ltboxes.dtx v1.1f)}
% \begin{macrocode}
\def\X@minipage<#1>{\@ifnextchar[%]
{\@iminipage<#1>}{\@iiiminipage<#1>{c}\relax[s]}}
% \end{macrocode}
% \end{macro}
%
% \begin{macro}{\@iminipage}
% $B9b$5%*%W%7%g%s$rD4$Y$^$9!#(B
% \changes{v1.2c}{2016/11/19}{Changed \cs{@empty} to \cs{relax} as
% flag for natural width: pr/2975 (sync with ltboxes.dtx v1.1f)}
% \begin{macrocode}
\def\@iminipage<#1>[#2]{\@ifnextchar[%]
{\@iiminipage<#1>{#2}}{\@iiiminipage<#1>{#2}\relax[s]}}
% \end{macrocode}
% \end{macro}
%
% \begin{macro}{\@iiminipage}
% $BFbIt0LCV%*%W%7%g%s$rD4$Y$^$9!#(B
% \begin{macrocode}
\def\@iiminipage<#1>#2[#3]{\@ifnextchar[%]
{\@iiiminipage<#1>{#2}{#3}}{\@iiiminipage<#1>{#2}{#3}[#2]}}
% \end{macrocode}
% \end{macro}
%
% \begin{macro}{\@iiiminipage}
% minipage$B4D6-$NFbIt7A<0$G$9!#(B
% \changes{v1.1g}{1996/01/12}{\break Grouping \cs{@iiiminipage}}
% \cs{leavevmode}$B$N8e$N(B\cs{bgroup}$B$O!"(B
% $B2sE>%*%W%7%g%s$,;XDj$5$l$?$H$-$N%U%i%0(B|\if@rotsw|$B$,!"$3$N%^%/%m$NFbIt$@$1(B
% $B$GM-8z$K$J$k$h$&$K$9$k$?$a$G$9!#$3$N3g8L$O!"(B\cs{endminipage}$B%3%^%s%I$G(B
% $BJD$8$^$9!#(B
% \begin{macrocode}
\def\@iiiminipage<#1>#2#3[#4]#5{%
\leavevmode\bgroup
\setlength\@tempdima{#5}%
\def\@mpargs{<#1>{#2}{#3}[#4]{#5}}%
\@rotswfalse
\iftdir
\if #1y\relax\let\box@dir\yoko
\else\if #1z\relax\@rotswtrue \let\box@dir\relax
\else\let\box@dir\tate
\fi\fi
\else
\if #1t\relax\let\box@dir\tate
\else\let\box@dir\yoko
\fi
\fi
\setbox\@tempboxa\vbox\bgroup\box@dir
\if@rotsw \hsize\@tempdima\hbox\bgroup$\vbox\bgroup\fi
% \end{macrocode}
% $B$J$*!"%*%j%8%J%k$N(Bltboxes.dtx 2022/09/07 v1.4d$B$G$O(B
% $BF~$l;R(B(nested minipages)$B$G5SCm$,@5$7$/I=<($5$l$J$$;~$K(B
% $B7Y9p$9$k%3!<%I$,DI2C$5$l$F$$$^$9$,!"(Bplext$B$G$ODI2C$7$F$$$^$;$s!#(B
% \changes{v1.1c}{1995/09/11}{Add \cs{adjustbaseline}.}
% \changes{v1.2c}{2016/11/19}{Use \cs{@setminipage}
% (sync with ltboxes.dtx v1.1a)}
% \begin{macrocode}
\adjustbaseline
\color@begingroup
\hsize\@tempdima
\textwidth\hsize \columnwidth\hsize
\@parboxrestore
\def\@mpfn{mpfootnote}\def\thempfn{\thempfootnote}%
\c@mpfootnote\z@
\let\@footnotetext\@mpfootnotetext
\let\@listdepth\@mplistdepth \@mplistdepth\z@
\@minipagerestore
\@setminipage}
% \end{macrocode}
% \end{macro}
%
% \begin{macro}{\endminipage}
% minipage$B4D6-$N=*N;%3%^%s%I$G$9!#(B
% \changes{v1.2c}{2016/11/19}{put \cs{global} into definition
% of \cs{@minipagefalse} (sync with ltboxes.dtx v1.0z)}
% \begin{macrocode}
\def\endminipage{%
\par
\unskip
\ifvoid\@mpfootins\else
\vskip\skip\@mpfootins
\normalcolor
\footnoterule
\unvbox\@mpfootins
\fi
\@minipagefalse %% added 24 May 89
\color@endgroup
\if@rotsw \egroup\m@th$\egroup\fi
% \end{macrocode}
% \cs{@iiiminipage}$B$G3+;O$7$?%0%k!<%W$rJD$8$k$?$a$N(B\cs{egroup}$B$G$9!#(B
% \begin{macrocode}
\egroup
\expandafter\@iiiparbox\@mpargs{\unvbox\@tempboxa}\egroup}
% \end{macrocode}
% \end{macro}
%
% \subsubsection*{\cs{parbox}$B%3%^%s%I(B}
%
% \begin{macro}{\parbox}
% $BAHJ}8~%*%W%7%g%s$rD4$Y$^$9!#(B
% \changes{v1.2e}{2017/03/02}{Make \cs{parbox} Robust
% (sync with ltboxes.dtx 2015/01/08 v1.1h)}
% \begin{macrocode}
\DeclareRobustCommand\parbox{\@ifnextchar<%>
{\X@parbox}{\X@parbox<Z>}}
% \end{macrocode}
% \end{macro}
%
% \begin{macro}{\X@parbox}
% $B0LCV%*%W%7%g%s$rD4$Y$^$9!#(B
% \changes{v1.2c}{2016/11/19}{Changed \cs{@empty} to \cs{relax} as
% flag for natural width: pr/2975 (sync with ltboxes.dtx v1.1f)}
% \begin{macrocode}
\def\X@parbox<#1>{\@ifnextchar[%]
{\@iparbox<#1>}{\@iiiparbox<#1>{c}\relax[s]}}
% \end{macrocode}
% \end{macro}
%
% \begin{macro}{\@iparbox}
% $B9b$5%*%W%7%g%s$rD4$Y$^$9!#(B
% \changes{v1.2c}{2016/11/19}{Changed \cs{@empty} to \cs{relax} as
% flag for natural width: pr/2975 (sync with ltboxes.dtx v1.1f)}
% \begin{macrocode}
\def\@iparbox<#1>[#2]{\@ifnextchar[%]
{\@iiparbox<#1>{#2}}{\@iiiparbox<#1>{#2}\relax[s]}}
% \end{macrocode}
% \end{macro}
%
% \begin{macro}{\@iiparbox}
% $BFbIt0LCV%*%W%7%g%s$rD4$Y$^$9!#(B
% \begin{macrocode}
\def\@iiparbox<#1>#2[#3]{\@ifnextchar[%]%
{\@iiiparbox<#1>{#2}{#3}}{\@iiiparbox<#1>{#2}{#3}[#2]}}
% \end{macrocode}
% \end{macro}
%
% \begin{macro}{\@iiiparbox}
% |parbox|$B$NFbIt7A<0$G$9!#(B
% \changes{v1.1c}{1995/09/11}{Add \cs{adjustbaseline}.}
% \changes{v1.1c}{1995/10/24}{\break typo \cs{adjustbaesline}.}
% \changes{v1.1g}{1996/01/12}{\break Grouping \cs{@iiiparbox}}
% minipage$B4D6-$HF1$8$h$&$K%0%k!<%T%s%0$r$7$^$9!#(B
% $B$3$N3g8L$HBP$K$J$k$N$O!"$3$N%^%/%m$N:G8e$N(B\cs{egroup}$B$G$9!#(B
% \changes{v1.2a}{2016/08/20}{\cs{parbox}$BA08e$NM>J,$J(B\cs{xkanjiskip}$B$r:o=|(B}
% \changes{v1.2c}{2016/11/19}{Changed \cs{endgraf} to
% \cs{@@par} (sync with ltboxes.dtx v1.0y)}
% \changes{v1.2c}{2016/11/19}{Changed \cs{@empty} to \cs{relax} as
% flag for natural width: pr/2975 (sync with ltboxes.dtx v1.1f)}
% \changes{v1.2c}{2016/11/19}{Ensure \cs{@parboxto} holds the value
% of \cs{@tempdimb} not the register itself (pr/3867)
% (sync with ltboxes.dtx v1.1g)}
% \begin{macrocode}
\long\def\@iiiparbox<#1>#2#3[#4]#5#6{%
\leavevmode\null\bgroup
\setlength\@tempdima{#5}%
\fork@parbox@option<#1>[#2]%
\if@rotsw
\@begin@tempboxa\vbox{\box@dir\hsize\@tempdima
\hbox{$\vbox{\@parboxrestore\adjustbaseline#6\@@par}\m@th$}}%
\else
\@begin@tempboxa\vbox{\box@dir
\hsize\@tempdima\@parboxrestore\adjustbaseline#6\@@par}%
\fi
\ifx\relax#3\relax\else
\setlength\@tempdimb{#3}%
\edef\@parboxto{to\the\@tempdimb}%
\fi
\@begin@parbox\@parboxto{\box@dir\adjustbaseline
\let\hss\vss\let\unhbox\unvbox
\csname bm@#4\endcsname}\@end@parbox
\@end@tempboxa\egroup\null}
% \end{macrocode}
% \end{macro}
%
% \begin{macro}{\fork@parbox@option}
% |\parbox|$B$GM?$($i$l$?Bh0l0z?t$HBhFs0z?t$NAH9g$;$NJ,4t$r9T$J$$$^$9!#(B
%
% $B%3%_%e%K%F%#HG$G$O!"%"%9%-!<HG$GIT<+A3$@$C$?(B|\parbox|$B$NH"$H(B
% $B<~0O$NK\J8$H$NB7$(0LCV$r=$@5$7!"0J2<$N$h$&$K@_7W$7$^$7$?!#(B
% \begin{itemize}
% \item $B<~0O$NAHJ}8~$,2#AH$+$DAHJ}8~$,(B|<y>|, |<z>|$B;XDj$N>l9g(B
% \begin{itemize}
% \item |[t]|$B;XDj$N$H$-(B\\$B0l9TL\$N%Y!<%9%i%$%s$,<~0O$N$=$l$H0lCW(B
% \item |[c]|$B;XDj$N$H$-(B\\$BH"$NCf?4$,<~0O$N?t<0<4$rDL$k!J2$J8%Y!<%9%i%$%s%7%U%H$N1F6A2<!K(B
% \item |[b]|$B;XDj$N$H$-(B\\$B:G=*9T$N%Y!<%9%i%$%s$,<~0O$N$=$l$H0lCW(B
% \end{itemize}
% \item $B<~0O$NAHJ}8~$,2#AH$+$DAHJ}8~$,(B|<t>|$B;XDj$N>l9g(B
% \begin{itemize}
% \item |[t]|$B;XDj$N$H$-(B\\$BH"$N>eC<$,<~0O$NOBJ8J8;z$N9b$5$H0lCW(B
% \item |[c]|$B;XDj$N$H$-(B\\$BH"$NCf?4$,<~0O$N?t<0<4$rDL$k!J2$J8%Y!<%9%i%$%s%7%U%H$N1F6A2<!K(B
% \item |[b]|$B;XDj$N$H$-(B\\$BH"$N2<C<$,<~0O$NOBJ8J8;z$N?<$5$H0lCW(B
% \end{itemize}
% \item $B<~0O$NAHJ}8~$,=DAH$+$DAHJ}8~$,(B|<y>|$B;XDj$N>l9g(B
% \begin{itemize}
% \item |[t]|$B;XDj$N$H$-(B\\$BH"$N>eC<$,<~0O$NOBJ8J8;z$N9b$5$H0lCW(B
% \item |[c]|$B;XDj$N$H$-(B\\$BH"$NCf?4$,<~0O$N?t<0<4$rDL$k!J2$J8%Y!<%9%i%$%s%7%U%H$N1F6A2<!K(B
% \item |[b]|$B;XDj$N$H$-(B\\$BH"$N2<C<$,<~0O$NOBJ8J8;z$N?<$5$H0lCW(B