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+% \iffalse meta-comment
+%
+% This is file `exppl2e.sty', for experimental pLaTeX2e.
+%
+% Copyright (c) 2016 Japanese TeX Development Community
+%
+% This file is part of the pLaTeX2e system (community edition).
+% -------------------------------------------------------------
+%
+% ====================================================================
+% $B3+H/<T$NJ}$X(B (2016-06-29 aminophen)
+%
+% $B$3$N%U%!%$%k$N%3!<%I$r<B:]$K%+!<%M%k$K<h$jF~$l$k$H$-!"C1=c$K%+%C%H!&(B
+% $B%Z!<%9%H$G(B dtx $B%U%!%$%k$XA^F~$7$^$9!#%Z!<%9%H$7$?(B dtx $B%U%!%$%k$+$i(B
+% ltx / sty $B%U%!%$%kEy$r@8@.$7$?$"$H$K$O!"I,$:(B
+% * $B%U%)!<%^%C%H:n@.$K;H$o$l$k(B ltx $B%U%!%$%k$,0U?^$I$*$jJQ99$5$l$?$+(B
+% * platexrelease.sty $B$K?7$?$J%V%m%C%/$,0l$D$@$1DI2C$5$l$?$+(B
+% $B!JNc30E*$K(B 0000/00/00 $B$NF|IU$,4^$^$l$k>l9g$O!"%V%m%C%/$,Fs$D$+!K(B
+% $B$r3NG'$7$^$9!#(B
+% ====================================================================
+%
+%%%%%%%% ^^A driver-like trick using catcode difference
+%
+% This file `exppl2e.sty' is a normal LaTeX package, so
+% \RequirePackage{exppl2e}
+% and
+% \usepackage{exppl2e}
+% works. However, it can also be typeset alone:
+% platex exppl2e.sty
+% for convenience.
+%
+%<*hack>
+\ifx\undefined\@undefined\relax
+% case 1: This file must be a normal package
+ \NeedsTeXFormat{pLaTeX2e}
+ \ProvidesPackage{exppl2e}
+ [2016/06/29 v1.0b Experimental pLaTeX2e features]
+ \PackageWarningNoLine{exppl2e}{%
+ This is the unstable, experimental part of pLaTeX2e.\MessageBreak
+ This package may contain:\MessageBreak
+ * future patches to pLaTeX\MessageBreak
+ * experimental new features\MessageBreak
+ Please note that these can be removed without any\MessageBreak
+ announcement at some point in the future, and may\MessageBreak
+ also have some critical bugs. We appreciate any\MessageBreak
+ reports and comments. Thank you for your cooperation}
+ \RequirePackage[latest]{platexrelease}
+\else
+% case 2: This file pretends to be a document
+ \documentclass{jltxdoc}
+ \title{Experimental p\LaTeXe}
+ \author{Japanese \TeX\ Development Community}
+ \begin{document}
+ \maketitle
+ \DocInput{exppl2e.sty}
+ \end{document}
+\fi % ^^A In case 2, this \fi comes after \end{document}
+%</hack> ^^A so it has no effect.
+% \fi ^^A This \fi corresponds to \iffalse, and another
+% ^^A \fi is required for \ifx, see below;)
+%
+%%%%%%%% ^^A trick end
+%
+% \fi
+%
+%
+% \emph{$BCm0U(B}$B!'$3$l$O(BExperimental$B$J(Bp\LaTeXe{}$B!"$9$J$o$A(Bunstable$B$J(B
+% $B<B83E*(Bp\LaTeX{}$B%3!<%I$rDs6!$9$k%Q%C%1!<%8$G$9!#(B
+%
+%
+% \section{$B$3$N%Q%C%1!<%8$NL\E*(B}
+%
+% $B%3!<%I$NITMQ0U$J2~JQ$OB(%(%s%P%0$K$D$J$,$j!"MxMQ<T$NB?$$(Bp\LaTeX{}$B$d(B
+% up\LaTeX{}$B$G$OFC$K1F6A$,Bg$-$$$H;W$o$l$^$9!#$=$N0lJ}$G!"(Bunstable$B$J$b$N(B
+% $B$b$J$k$Y$/<j7Z$K%F%9%H$7$FD:$-$?$$$H$b9M$($^$9!#(B
+%
+% $B$3$N%Q%C%1!<%8(B\file{exppl2e.sty}$B$O!"%+!<%M%k(B(stable)$B$K>-Mh4^$a$k(B
+% $B$3$H$rA[Dj$7$?(Bunstable$B$J<B83E*%3!<%I$rG[I[$9$k$3$H$rL\E*$K:n@.$7$^$7$?!#(B
+% $B%F%9%H$r$h$m$7$/$*4j$$$7$^$9!#(B
+%
+%
+% \section{$B<B83E*%3!<%I$NFI$_$3$_$+$?(B}
+%
+% $B%G%U%)%k%H$NG[I[$G$O!"<B83E*$J%3!<%I$OL58z2=$5$l$F$$$^$9!#(B
+% $B<B83E*$J(Bp\LaTeXe{}$B$r;n$7$?$$>l9g$O!"0J2<$N$$$:$l$+$NJ}K!$r;H$$$^$9!'(B
+%
+% \subsection{$B>/$7$@$1;n$7$F$_$?$$>l9g(B}
+%
+% $B%Q%C%1!<%8(B\file{exppl2e.sty}$B$rFI$_9~$_$^$9!#$?$@$7!"(B|\usepackage|$BL?Na(B
+% $B$r;H$&$N$G$O$J$/!"J8=q%/%i%9$h$j(B\emph{$BA0(B}$B$KFI$_9~$s$G$*$/$N$,L5Fq$G$9!#(B
+% \begin{verbatim}
+% \RequirePackage{exppl2e}
+% \documentclass{article}
+% \end{verbatim}
+%
+% \subsection{$B>o$K<B83E*%3!<%I$r;HMQ$7$?$$>l9g(B}
+%
+% $B$3$N%Q%C%1!<%8$H0l=o$K%$%s%9%H!<%k$5$l$k?7$7$$(Bp\LaTeX{}$B$O!"$*;H$$$N(B
+% \texttt{platex}$B$J$I$N%W%m%0%i%`$,8+$D$1$k$3$H$N$G$-$k>l=j!J4JC1$J$N(B
+% $B$O%+%l%s%H%G%#%l%/%H%j!"$"$k$$$O(B|$TEXMFLOCAL/tex|$B0J2<$NE,@Z$J>l=j!K(B
+% $B$K(B\file{platex.cfg}$B$H$$$&%U%!%$%k$,$"$l$P!"5/F0;~$K$=$l$rFI$_9~$_(B
+% $B$^$9!#$3$N5!G=$rMxMQ$9$k$H!"0J2<$NFbMF$N(B\file{platex.cfg}$B$rMQ0U$7(B
+% $B$F$*$/$@$1$G!"<+F0E*$KKh2s(B\file{exppl2e.sty}$B$,FI$_9~$^$l$^$9!#(B
+% \begin{verbatim}
+% \RequirePackage{exppl2e}
+% \end{verbatim}
+%
+%
+% \section{$B$3$N%I%-%e%a%s%H$K$D$$$F(B}
+%
+% $B%3%_%e%K%F%#HG(Bp\LaTeX{}$B$,G[I[$9$k$[$+$N(Bsty$B%U%!%$%k$H$O0[$J$j!"(B
+% $B<B<AE*$K$O(B\file{exppl2e.sty}$B$O(Bdtx$B%U%!%$%k$HF1Ey$G$9!#$9$J$o$A!"(B
+% $B%3!<%I$H0l=o$K(Bdtx$B8_49%I%-%e%a%s%H$,4^$^$l$F$$$^$9!#$3$N%I%-%e%a%s%H(B
+% $B$rAHHG$9$k$K$O(B
+% \begin{verbatim}
+% # platex exppl2e.sty
+% \end{verbatim}
+% $B$r<B9T$7$^$9!#(B
+%
+%
+% \section{$B%3!<%I(B}
+%
+% $B$3$3$+$i(Bp\LaTeXe{}$B$N(Bexperimental$B%3!<%IK\BN$G$9!#(B
+%
+%
+% \section{PDF$B$N%V%C%/%^!<%/$H%"%/%;%s%HJ8;z(B}
+%
+% \begin{macro}{\pltx@isletter}
+% \changes{v???}{????/??/??}{PDF$B$N$7$*$j$K%"%/%;%s%HJ8;z$,4^$^$l$k>l9g$KBP1~(B}
+% \begin{macrocode}
+%<platexrelease>\plIncludeInRelease{????/??/??}{\pltx@isletter}
+%<platexrelease> {Support PD1 encoding}%
+%<*pldefs|platexrelease>
+\def\pltx@mark{\pltx@mark@}
+\let\pltx@scanstop\relax
+\long\def\pltx@cond#1\fi{%
+ #1\expandafter\@firstoftwo\else\expandafter\@secondoftwo\fi}
+\def\pltx@pdfencA{PD1}
+\def\pltx@composite@chkenc{%
+ \ifx\pltx@pdfencA\f@encoding
+ \expandafter\@firstoftwo
+ \else
+ \expandafter\@secondoftwo
+ \fi}
+\long\def\pltx@isletter#1{%
+ \expandafter\pltx@isletter@i#1\pltx@scanstop}
+\long\def\pltx@isletter@i#1\pltx@scanstop{%
+ \pltx@cond\ifx\pltx@mark#1\pltx@mark\fi{\@firstoftwo}%
+ {\pltx@isletter@ii\pltx@scanstop#1\pltx@scanstop{}#1\pltx@mark}}
+\long\def\pltx@isletter@ii#1\pltx@scanstop#{%
+ \pltx@cond\ifx\pltx@mark#1\pltx@mark\fi%
+ {\pltx@isletter@iii}{\pltx@isletter@iv}}
+\long\def\pltx@isletter@iii#1\pltx@mark{\@secondoftwo}
+\long\def\pltx@isletter@iv#1#2#3\pltx@mark{%
+ \pltx@cond\ifx\pltx@mark#3\pltx@mark\fi{%
+ \pltx@cond{\ifnum0\ifcat A\noexpand#21\fi\ifcat=\noexpand#21\fi>\z@}\fi
+ {\@firstoftwo}{\pltx@composite@chkenc}%
+ }{\pltx@composite@chkenc}}
+%</pldefs|platexrelease>
+%<platexrelease>\plEndIncludeInRelease
+%<platexrelease>\plIncludeInRelease{2016/06/10}{\pltx@isletter}
+%<platexrelease> {Added \pltx@isletter}%
+%<platexrelease>\def\pltx@mark{\pltx@mark@}
+%<platexrelease>\let\pltx@scanstop\relax
+%<platexrelease>\long\def\pltx@cond#1\fi{%
+%<platexrelease> #1\expandafter\@firstoftwo\else\expandafter\@secondoftwo\fi}
+%<platexrelease>\long\def\pltx@isletter#1{%
+%<platexrelease> \expandafter\pltx@isletter@i#1\pltx@scanstop}
+%<platexrelease>\long\def\pltx@isletter@i#1\pltx@scanstop{%
+%<platexrelease> \pltx@cond\ifx\pltx@mark#1\pltx@mark\fi{\@firstoftwo}%
+%<platexrelease> {\pltx@isletter@ii\pltx@scanstop#1\pltx@scanstop{}#1\pltx@mark}}
+%<platexrelease>\long\def\pltx@isletter@ii#1\pltx@scanstop#{%
+%<platexrelease> \pltx@cond\ifx\pltx@mark#1\pltx@mark\fi%
+%<platexrelease> {\pltx@isletter@iii}{\pltx@isletter@iv}}
+%<platexrelease>\long\def\pltx@isletter@iii#1\pltx@mark{\@secondoftwo}
+%<platexrelease>\long\def\pltx@isletter@iv#1#2#3\pltx@mark{%
+%<platexrelease> \pltx@cond\ifx\pltx@mark#3\pltx@mark\fi{%
+%<platexrelease> \pltx@cond{\ifnum0\ifcat A\noexpand#21\fi\ifcat=\noexpand#21\fi>\z@}\fi
+%<platexrelease> {\@firstoftwo}{\@secondoftwo}%
+%<platexrelease> }{\@secondoftwo}}
+%<platexrelease>\plEndIncludeInRelease
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\@text@composite@x}
+% \changes{v???}{????/??/??}{v1.6e$B$G$$$C$?$s%Q%C%A$r=|5n$7$?%3!<%I$r:FF3F~(B}
+% \begin{macrocode}
+%<platexrelease>\plIncludeInRelease{????/??/??}{\@text@composite@x}
+%<platexrelease> {Fix for non-zero baselineshift}%
+%<*pldefs|platexrelease>
+\def\@text@composite@x#1#2{%
+ \ifx#1\relax
+ #2%
+ \else\pltx@isletter{#1}{#1}{%
+ \begingroup
+ \setbox\z@\hbox\bgroup%
+ \ybaselineshift\z@\tbaselineshift\z@
+ #1%
+ \g@tlastchart@\@tempcntb
+ \xdef\pltx@composite@temp{\noexpand\@tempcntb=\the\@tempcntb\relax}%
+ \aftergroup\pltx@composite@temp
+ \egroup
+% \end{macrocode}
+% \begin{macrocode}
+ \ifnum\@tempcntb<\z@
+ \@tempdima=\iftdir
+ \ifmdir
+ \ifmmode\tbaselineshift\else\ybaselineshift\fi
+ \else
+ \tbaselineshift
+ \fi
+ \else
+ \ybaselineshift
+ \fi
+ \@tempcntb=\@cclvi
+ \else\@tempdima=\z@
+ \fi
+% \end{macrocode}
+% $B%"%/%;%s%H$,IU$/!VK\BN$NJ8;z!W$,2$J8J8;z$H?dB,$5$l$k>l9g$K$O!"(B
+% $B0lC6?t<0%b!<%I$KF~$k$3$H$K$h$C$F(B\cs{xkanjiskip}$B$,A08e$KF~$k$h$&$K$7$^$9!#(B
+% $BI,MW$J$i!"?t<0%b!<%I$NA08e$K(B\cs{null}$B$rJd$C$F(B\cs{xkanjiskip}$B$NA^F~$rM^@)$7$^$9!#(B
+% \begin{macrocode}
+ \ifnum\@tempcntb<\@cclvi
+ \ifnum\@tempcntb>\m@ne\ifnum\@tempcntb<\@cclvi
+ \ifodd\xspcode\@tempcntb\else\leavevmode\hbox{}\fi
+ \fi\fi
+ \begingroup\mathsurround\z@$%
+ \ifx\textbaselineshiftfactor\@undefined\else
+ \textbaselineshiftfactor\z@\fi
+ \box\z@
+ $\endgroup%
+ \ifnum\@tempcntb>\m@ne\ifnum\@tempcntb<\@cclvi
+ \ifnum\xspcode\@tempcntb<2\hbox{}\fi
+ \fi\fi
+% \end{macrocode}
+% \begin{macrocode}
+ \else
+ \ifdim\@tempdima=\z@{\ybaselineshift\z@\tbaselineshift\z@#1}%
+ \else\lower\@tempdima\box\z@\fi
+ \fi
+ \endgroup}%
+ \fi
+}
+%</pldefs|platexrelease>
+%<platexrelease>\plEndIncludeInRelease
+% \end{macrocode}
+% \end{macro}
+%
+\endinput