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+%
+% lltjext.sty: derived from plext.sty in pLaTeX.
+%
+
+\NeedsTeXFormat{LaTeX2e}
+\ProvidesPackage{lltjext}
+ [2014/09/06 v1.2-ltj-3 Macros for vertical writing]
+\RequirePackage{luatexja}
+
+\let\ltj@lltjext@orig@tabular=\tabular
+\let\ltj@lltjext@orig@array=\array
+
+%%% array and tabular
+\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<%>
+ {\@stabular}{\@stabular<Z>}}
+\def\X@tabarray{\@ifnextchar<%>
+ {\p@tabarray}{\p@tabarray<Z>}}
+\def\X@tabular{\@ifnextchar<%>
+ {\p@tabular}{\p@tabular<Z>}}
+\def\@stabular<#1>#2{\def\@halignto{to#2}\p@tabular<#1>}
+\def\p@tabular<#1>{\leavevmode \hbox \bgroup $\let\@acol\@tabacol
+ \let\@classz\@tabclassz
+ \let\@classiv\@tabclassiv \let\\\@tabularcr\p@tabarray<#1>}
+\def\p@tabarray<#1>{\m@th\@ifnextchar[%]
+ {\p@array<#1>}{\p@array<#1>[c]}}
+
+\def\p@array<#1>[#2]#3{%
+ \let\box@dir\relax
+ \if #1z\relax
+ \ifnum\ltjgetparameter{direction}=3\relax
+ \let\box@dir\utod\@tempcnta=\zstrutbox
+ \fi
+ \else
+ \if #1y\relax
+ \let\box@dir\yoko\@tempcnta=\strutbox
+ \else\if #1t\relax
+ \let\box@dir\tate\@tempcnta=\tstrutbox
+ \else\if #1d\relax
+ \let\box@dir\dtou\@tempcnta=\dstrutbox
+ \else\if #1u\relax
+ \let\box@dir\utod\@tempcnta=\zstrutbox
+ \fi\fi\fi\fi
+ \fi
+ \ifx\box@dir\relax
+ \ifcase\ltjgetparameter{direction}
+ \or \let\box@dir\dtou\@tempcnta=\dstrutbox% dtou
+ \or\or\let\box@dir\tate\@tempcnta=\tstrutbox% tate
+ \or \let\box@dir\yoko\@tempcnta=\strutbox% yoko
+ \else \let\box@dir\utod\@tempcnta=\zstrutbox% utod
+ \fi
+ \fi
+ \setbox\@arstrutbox\hbox{%
+ \box@dir
+ \vrule\@height\arraystretch\ltjgetht\@tempcnta
+ \@depth\arraystretch\ltjgetdp\@tempcnta \@width\z@}%
+ \fork@array@option<#1>[#2]%
+ \@mkpream{#3}\edef\@preamble{\ialign \noexpand\@halignto
+ \bgroup\@arstrut \@preamble \tabskip\z@skip \cr}%
+ \let\tabularnewline\\%
+ \@begin@alignbox\bgroup\box@dir\adjustbaseline
+ \let\par\@empty
+ \let\@sharp##\let\protect\relax
+ \lineskip\z@skip\baselineskip\z@skip\@preamble}
+\def\endarray{\crcr\egroup\egroup\@end@alignbox}
+\def\endtabular{\endarray$\egroup}
+\expandafter \let \csname endtabular*\endcsname = \endtabular
+\def\fork@array@option<#1>[#2]{%
+\ifnum\ltjgetparameter{direction}=4 % yoko
+ \ifx\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
+ \else
+ \if #2t\relax
+ \def\@begin@alignbox{\vtop\bgroup\kern\z@\vbox}%
+ \def\@end@alignbox{\egroup}%
+ \else\if #2b\relax
+ \let\@begin@alignbox\vbox
+ \let\@end@alignbox\relax
+ \else
+ \let\@begin@alignbox\vcenter
+ \let\@end@alignbox\relax
+ \fi\fi
+ \fi
+\else\ifnum\ltjgetparameter{direction}=1 % dtou
+ \ifx\box@dir\yoko
+ \if #2t\relax
+ \def\@begin@alignbox{\vtop\bgroup\kern\z@\vbox}%
+ \def\@end@alignbox{\egroup}%
+ \else\if #2b\relax
+ \let\@begin@alignbox\vbox
+ \let\@end@alignbox\relax
+ \else
+ \let\@begin@alignbox\vcenter
+ \let\@end@alignbox\relax
+ \fi\fi
+ \else\ifx\box@dir\dtou
+ \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
+ \else % 180 度回転→vtop, vbox を入れ替える
+ \if #2t\relax
+ \let\@begin@alignbox\vbox %%% !!!
+ \let\@end@alignbox\relax
+ \else\if #2b\relax
+ \let\@begin@alignbox\vtop %%% !!!
+ \let\@end@alignbox\relax
+ \else
+ \let\@begin@alignbox\vcenter
+ \let\@end@alignbox\relax
+ \fi\fi
+ \fi\fi
+\else % tate, utod
+ \ifx\box@dir\yoko
+ \if #2t\relax
+ \def\@begin@alignbox{\vtop\bgroup\kern\z@\vbox}%
+ \def\@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\ifx\box@dir\dtou % 180 度回転→vtop, vbox を入れ替える
+ \if #2t\relax
+ \let\@begin@alignbox\vbox %%% !!!
+ \let\@end@alignbox\relax
+ \else\if #2b\relax
+ \let\@begin@alignbox\vtop %%% !!!
+ \let\@end@alignbox\relax
+ \else
+ \let\@begin@alignbox\vcenter
+ \let\@end@alignbox\relax
+ \fi\fi
+ \else
+ \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
+\fi\fi%
+}
+
+%%% caption
+\newbox\@floatbox
+\newdimen\floatwidth
+\newdimen\floatheight
+\newdimen\floatruletick \floatruletick=0.4pt
+\newdimen\captionfloatsep \captionfloatsep=10pt
+\def\caption@dir{Z}
+\let\captiondir\relax
+\newdimen\captionwidth \captionwidth\z@
+\def\caption@posa{Z}
+\def\caption@posb{Z}
+\newbox\@captionbox
+\def\captionfontsetup{\normalfont\normalsize}
+\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\ltjgetwd\z@\floatruletick\z@
+ \fi
+ \ifdim\floatheight<\z@
+ \floatheight\ltjgetht\z@\advance\floatheight\ltjgetdp\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@}}
+\def\DeclareLayoutCaption#1<#2>(#3)[#4#5]{%
+ \expandafter
+ \ifx\csname #1@layoutcaption\endcsname\relax \else
+ \@latex@info{Redeclaring capiton layout setting of '#1'}%
+ \fi
+ \expandafter
+ \gdef\csname #1@layoutcaption\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
+\DeclareLayoutCaption{figure}<y>(.8\linewidth)[cd]
+\DeclareLayoutCaption{table}<y>(.8\linewidth)[cu]
+\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}}
+\def\pcaption{\refstepcounter\@captype \@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 with `\protect\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\ifmmode\vcenter \else\@pboxswtrue $\vcenter \fi\fi\fi
+ {\if u\caption@posb\box\@captionbox\kern\captionfloatsep\fi
+ \unvbox\@floatbox
+ \if d\caption@posb\kern\captionfloatsep\box\@captionbox\fi}%
+ \if r\caption@posb\kern\captionfloatsep\box\@captionbox\fi
+ \if@pboxsw \m@th$\fi \if r\float@pos\else\hss\fi}}%
+ \par\vskip.25\baselineskip
+ \box\@tempboxa}
+\def\make@pcaptionbox#1{%
+ \expandafter
+ \ifx\csname\@captype @layoutcaption\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 @layoutcaption\endcsname
+ \fi
+ \@tempswafalse
+ % tempswa\hline 基本組の組方向とキャプションの組方向が直交するか?
+ \if y\caption@dir \let\captiondir\yoko
+ \ifodd\ltjgetparameter{direction}\relax\@tempswatrue\fi
+ \else\if z\caption@dir \let\captiondir\relax
+ \ifnum\ltjgetparameter{direction}=3\relax\let\captiondir\utod\fi
+ \else\if d\caption@dir \let\captiondir\dtou
+ \ifodd\ltjgetparameter{direction}\else\@tempswatrue\fi
+ \else\if u\caption@dir \let\captiondir\utod
+ \ifodd\ltjgetparameter{direction}\else\@tempswatrue\fi
+ \else\if t\caption@dir \let\captiondir\tate
+ \ifodd\ltjgetparameter{direction}\else\@tempswatrue\fi
+ \fi\fi\fi\fi\fi
+ \setbox0\hbox{\hbox{\captiondir
+ \captionfontsetup\parindent\z@\inhibitglue
+ \csname fnum@\@captype\endcsname  #1}}%"
+ \if@tempswa\@tempdima\ltjgetht0\relax\else\@tempdima\ltjgetwd0\relax\fi
+ \ifdim\@tempdima>\captionwidth \@tempdima\captionwidth \fi
+ \@pboxswfalse
+ \setbox0\hbox{%
+ \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 $\vcenter\fi
+ \fi\fi\fi\fi
+ {\hsize\@tempdima\kern\z@
+ \vbox{\captiondir\hsize\@tempdima
+ \captionfontsetup\parindent\z@\inhibitglue
+ \csname fnum@\@captype\endcsname  #1}\kern\z@
+ }\if@pboxsw \m@th$\fi}%
+ \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}}
+
+%%% minipage and parbox
+\def\minipage{\@ifnextchar<%>
+ {\X@minipage}{\X@minipage<Z>}}
+\def\X@minipage<#1>{\@ifnextchar[%]
+ {\@iminipage<#1>}{\@iiiminipage<#1>{c}\@empty[s]}}
+\def\@iminipage<#1>[#2]{\@ifnextchar[%]
+ {\@iiminipage<#1>{#2}}{\@iiiminipage<#1>{#2}\@empty[s]}}
+\def\@iiminipage<#1>#2[#3]{\@ifnextchar[%]
+ {\@iiiminipage<#1>{#2}{#3}}{\@iiiminipage<#1>{#2}{#3}[#2]}}
+\def\@iiiminipage<#1>#2#3[#4]#5{%
+ \leavevmode\bgroup
+ \setlength\@tempdima{#5}%
+ \def\@mpargs{<#1>{#2}{#3}[#4]{#5}}%
+ \let\box@dir\relax
+ \if #1z\relax
+ \ifnum\ltjgetparameter{direction}=3\relax
+ \let\box@dir\utod
+ \fi
+ \else
+ \if #1y\relax \let\box@dir\yoko
+ \else\if #1t\relax\let\box@dir\tate
+ \else\if #1d\relax\let\box@dir\dtou
+ \else\if #1u\relax\let\box@dir\utod
+ \fi\fi\fi\fi
+ \fi
+ \ifx\box@dir\relax
+ \ifcase\ltjgetparameter{direction}\relax
+ \or \let\box@dir\dtou
+ \or\or\let\box@dir\tate
+ \or \let\box@dir\yoko
+ \else \let\box@dir\utod
+ \fi
+ \fi
+ \setbox\@tempboxa\vbox\bgroup\box@dir
+ \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
+ \global\@minipagetrue %% \global added 24 May 89
+ \everypar{\global\@minipagefalse\everypar{}}}
+\def\endminipage{%
+ \par
+ \unskip
+ \ifvoid\@mpfootins\else
+ \vskip\skip\@mpfootins
+ \normalcolor
+ \footnoterule
+ \unvbox\@mpfootins
+ \fi
+ \global\@minipagefalse %% added 24 May 89
+ \color@endgroup
+ \egroup
+ \expandafter\@iiiparbox\@mpargs{\unvbox\@tempboxa}\egroup}
+\def\parbox{\@ifnextchar<%>
+ {\X@parbox}{\X@parbox<Z>}}
+\def\X@parbox<#1>{\@ifnextchar[%]
+ {\@iparbox<#1>}{\@iiiparbox<#1>{c}\@empty[s]}}
+\def\@iparbox<#1>[#2]{\@ifnextchar[%]
+ {\@iiparbox<#1>{#2}}{\@iiiparbox<#1>{#2}\@empty[s]}}
+\def\@iiparbox<#1>#2[#3]{\@ifnextchar[%]%
+ {\@iiiparbox<#1>{#2}{#3}}{\@iiiparbox<#1>{#2}{#3}[#2]}}
+\long\def\@iiiparbox<#1>#2#3[#4]#5#6{%
+ \leavevmode\bgroup
+ \setlength\@tempdima{#5}%
+ \fork@parbox@option<#1>[#2]%
+ \@begin@tempboxa\vbox{\box@dir
+ \hsize\@tempdima\@parboxrestore\adjustbaseline#6\endgraf}%
+ \ifx\@empty#3\relax\else
+ \setlength\@tempdimb{#3}%
+ \def\@parboxto{to\@tempdimb}%
+ \fi
+ \@begin@parbox\@parboxto{\box@dir\adjustbaseline
+ \let\hss\vss\let\unhbox\unvbox
+ \csname bm@#4\endcsname}\@end@parbox
+ \@end@tempboxa\egroup}
+\def\fork@parbox@option<#1>[#2]{%
+ \let\box@dir\relax
+ \if #1z\relax
+ \ifnum\ltjgetparameter{direction}=3\relax
+ \let\box@dir\utod
+ \fi
+ \else
+ \if #1y\relax \let\box@dir\yoko
+ \else\if #1t\relax\let\box@dir\tate
+ \else\if #1d\relax\let\box@dir\dtou
+ \else\if #1u\relax\let\box@dir\utod
+ \fi\fi\fi\fi
+ \fi
+ \ifx\box@dir\relax
+ \ifcase\ltjgetparameter{direction}\relax
+ \or \let\box@dir\dtou
+ \or\or\let\box@dir\tate
+ \or \let\box@dir\yoko
+ \else \let\box@dir\utod
+ \fi
+ \fi
+%%% now almost same as \fork@array@option
+\ifnum\ltjgetparameter{direction}=4 % yoko
+ \ifx\box@dir\yoko
+ \if #2t\relax
+ \let\@begin@parbox\vtop
+ \let\@end@parbox\relax
+ \else\if #2b\relax
+ \let\@begin@parbox\vbox
+ \let\@end@parbox\relax
+ \else
+ \def\@begin@parbox{$\vcenter}%
+ \def\@end@parbox{\m@th$}%
+ \fi\fi
+ \else
+ \if #2t\relax
+ \def\@begin@parbox{\vtop\bgroup\kern\z@\vbox}%
+ \def\@end@parbox{\egroup}%
+ \else\if #2b\relax
+ \let\@begin@parbox\vbox
+ \let\@end@parbox\relax
+ \else
+ \def\@begin@parbox{$\vcenter}%
+ \def\@end@parbox{\m@th$}%
+ \fi\fi
+ \fi
+\else\ifnum\ltjgetparameter{direction}=1 % dtou
+ \ifx\box@dir\yoko
+ \if #2t\relax
+ \def\@begin@parbox{\vtop\bgroup\kern\z@\vbox}
+ \def\@end@parbox{\egroup}
+ \else\if #2b\relax
+ \let\@begin@parbox\vbox
+ \let\@end@parbox\relax
+ \else
+ \def\@begin@parbox{$\vcenter}%
+ \def\@end@parbox{\m@th$}%
+ \fi\fi
+ \else\ifx\box@dir\dtou
+ \if #2t\relax
+ \let\@begin@parbox\vtop
+ \let\@end@parbox\relax
+ \else\if #2b\relax
+ \let\@begin@parbox\vbox
+ \let\@end@parbox\relax
+ \else
+ \def\@begin@parbox{$\vcenter}%
+ \def\@end@parbox{\m@th$}%
+ \fi\fi
+ \else % 180 度回転→vtop, vbox を入れ替える
+ \if #2t\relax
+ \let\@begin@parbox\vbox %%% !!!
+ \let\@end@parbox\relax
+ \else\if #2b\relax
+ \let\@begin@parbox\vtop %%% !!!
+ \let\@end@parbox\relax
+ \else
+ \def\@begin@parbox{$\vcenter}%
+ \def\@end@parbox{\m@th$}%
+ \fi\fi
+ \fi\fi
+\else % tate, utod
+ \ifx\box@dir\yoko
+ \if #2t\relax
+ \def\@begin@parbox{\vtop\bgroup\kern\z@\vbox}%
+ \def\@end@parbox{\egroup}%
+ \else\if #2b\relax
+ \def\@begin@parbox{\vbox\bgroup\vbox}%
+ \def\@end@parbox{\kern\z@\egroup}%
+ \else
+ \def\@begin@parbox{$\vcenter}%
+ \def\@end@parbox{\m@th$}%
+ \fi\fi
+ \else\ifx\box@dir\dtou % 180 度回転→vtop, vbox を入れ替える
+ \if #2t\relax
+ \let\@begin@parbox\vbox %%% !!!
+ \let\@end@parbox\relax
+ \else\if #2b\relax
+ \let\@begin@parbox\vtop %%% !!!
+ \let\@end@parbox\relax
+ \else
+ \def\@begin@parbox{$\vcenter}%
+ \def\@end@parbox{\m@th$}%
+ \fi\fi
+ \else
+ \if #2t\relax
+ \let\@begin@parbox\vtop
+ \let\@end@parbox\relax
+ \else\if #2b\relax
+ \let\@begin@parbox\vbox
+ \let\@end@parbox\relax
+ \else
+ \def\@begin@parbox{$\vcenter}%
+ \def\@end@parbox{\m@th$}%
+ \fi\fi
+ \fi\fi
+\fi\fi%
+}
+
+%%% pbox
+\def\pbox{\leavevmode\@ifnextchar<{\X@makePbox}{\X@makePbox<Z>}}
+\def\X@makePbox<#1>{%
+ \@ifnextchar[{\@imakePbox<#1>}{\@imakePbox<#1>[-5\p@]}}
+\def\@imakePbox<#1>[#2]{\@ifnextchar[%]
+ {\@iimakePbox<#1>{#2}}{\@iimakePbox<#1>{#2}[c]}}
+\def\@iimakePbox<#1>#2[#3]#4{%
+ \bgroup\let\box@dir\relax
+ \if #1z\relax
+ \ifnum\ltjgetparameter{direction}=3 \relax
+ \let\box@dir\utod
+ \fi
+ \else
+ \if #1y\relax \let\box@dir\yoko
+ \else\if #1t\relax\let\box@dir\tate
+ \else\if #1d\relax\let\box@dir\dtou
+ \else\if #1u\relax\let\box@dir\utod
+ \fi\fi\fi\fi
+ \fi
+ \ifx\box@dir\relax
+ \ifcase\ltjgetparameter{direction}
+ \or \let\box@dir\dtou
+ \or\or\let\box@dir\tate
+ \or \let\box@dir\yoko
+ \else \let\box@dir\utod
+ \fi
+ \fi
+ \ifdim #2 <\z@ \hbox{\box@dir#4}\else
+ \hbox to#2{\box@dir
+ \if #3l\relax\else\hss\fi
+ #4\relax
+ \if #3r\relax\else\hss\fi}\fi\egroup}
+
+%%% picture
+\def\picture{\@ifnextchar<%>
+ {\X@picture}{\X@picture<Z>}}
+\def\X@picture<#1>(#2,#3){\@ifnextchar(%)
+ {\@@picture<#1>(#2,#3)}{\@@picture<#1>(#2,#3)(0,0)}}
+\newdimen\@picwd
+\def\ltj@@pic@reset@blshift{%
+ \ltj@yablshift\z@\ltj@ykblshift\z@
+ \ltj@tablshift\z@\ltj@tkblshift\z@
+}%
+\def\@@picture<#1>(#2,#3)(#4,#5){%
+ \edef\ltj@@pic@save@blshift{%
+ \noexpand\ltj@yablshift\the\ltj@yablshift\noexpand\relax
+ \noexpand\ltj@ykblshift\the\ltj@ykblshift\noexpand\relax
+ \noexpand\ltj@tablshift\the\ltj@tablshift\noexpand\relax
+ \noexpand\ltj@tkblshift\the\ltj@tkblshift\noexpand\relax
+ }%
+ \bgroup\let\box@dir\relax
+ \if #1z\relax
+ \ifnum\ltjgetparameter{direction}=3 \relax
+ \let\box@dir\utod
+ \fi
+ \else
+ \if #1y\relax \let\box@dir\yoko
+ \else\if #1t\relax\let\box@dir\tate
+ \else\if #1d\relax\let\box@dir\dtou
+ \else\if #1u\relax\let\box@dir\utod
+ \fi\fi\fi\fi
+ \fi
+ \ifx\box@dir\relax
+ \ifcase\ltjgetparameter{direction}
+ \or \let\box@dir\dtou
+ \or\or\let\box@dir\tate
+ \or \let\box@dir\yoko
+ \else \let\box@dir\utod
+ \fi
+ \fi
+ \@picwd=#2\unitlength \@picht=#3\unitlength
+ \setbox\@picbox\hbox to\@picwd\bgroup\box@dir
+ \hskip-#4\unitlength\lower#5\unitlength\hbox\bgroup
+ \ltj@@pic@reset@blshift
+ \ignorespaces}
+\def\endpicture{%
+ \egroup\hss\egroup
+ \setbox0=\hbox{\box@dir%
+ \ltjsetht\@picbox\@picht \ltjsetdp\@picbox\z@
+ }%
+ \@tempswafalse
+ \ifnum\ltjgetparameter{direction}=3 \@tempswatrue\fi
+ \ifnum\ltjgetparameter{direction}=11 \@tempswatrue\fi
+ \if@tempswa
+ \ifx\box@dir\yoko % この場合だけ垂直位置補正が必要
+ \ltjsetht\@picbox\dimexpr\ltjgetht\@picbox+\ltjgetdp\@picbox\relax
+ \ltjsetdp\@picbox\z@
+ \fi
+ \fi
+ \mbox{\box\@picbox}%
+ \egroup\ltj@@pic@save@blshift}
+\let\org@put\put
+\def\put{\ltj@@pic@reset@blshift\org@put}
+\let\org@line\line
+\def\line{\ltj@@pic@reset@blshift\org@line}
+\let\org@vector\vector
+\def\vector{\ltj@@pic@reset@blshift\org@vector}
+\let\org@dashbox\dashbox
+\def\dashbox{\ltj@@pic@reset@blshift\org@dashbox}
+\let\org@oval\oval
+\def\oval{\ltj@@pic@reset@blshift\org@oval}
+\let\org@circle\circle
+\def\circle{\ltj@@pic@reset@blshift\org@circle}
+
+%%% rensuji
+\newif\ifnot@advanceline
+\newskip\rensujiskip
+\rensujiskip=0.25\chs plus.25\zw minus.25\zw
+\DeclareRobustCommand\rensuji{%
+ \@ifstar{\not@advancelinetrue\@rensuji}{\@rensuji}}
+\def\@rensuji{\@ifnextchar[{\@@rensuji}{\@@rensuji[c]}}
+\def\@@rensuji[#1]#2{\ifnum\ltjgetparameter{direction}=4\relax%
+ \hbox{#2}\else
+ \hskip\rensujiskip
+ \ifvmode\leavevmode\fi
+ \setbox\tw@\hbox{漢}% 「あ」では仮名書体使用時がまずそう
+ \@tempdimb\ltjgetht\tw@ \advance\@tempdimb\ltjgetdp\tw@
+ \ifnot@advanceline\not@advancelinefalse\else
+ \setbox\z@\hbox{\yoko#2}%
+ \@tempdima\ltjgetht\z@ \advance\@tempdima\ltjgetdp\z@
+ \ifnum\ltjgetparameter{direction}=1\relax
+ % 周囲が dtou の場合には,高さ \ltjgetht\tw@, 深さ \ltjgetdp\tw@ のボックスを基準としている.
+ \if #1c\relax\vrule \@width \z@ \@height\dimexpr.5\@tempdima+.5\ltjgetht\tw@-.5\ltjgetdp\tw@
+ \@depth\dimexpr.5\@tempdima-.5\ltjgetht\tw@+.5\ltjgetdp\tw@
+ \else\if #1l\relax\vrule\@width \z@\@height\ltjgetht\tw@ \@depth\dimexpr\@tempdima-\ltjgetht\tw@
+ \else\vrule\@width \z@ \@height\dimexpr\@tempdima-\ltjgetdp\tw@ \@depth\ltjgetdp\tw@
+ \fi\fi
+ \else
+ % 周囲が tate, utod の場合も同じ
+ \if #1c\relax\vrule \@width \z@ \@height\dimexpr.5\@tempdima+.5\ltjgetht\tw@-.5\ltjgetdp\tw@
+ \@depth\dimexpr.5\@tempdima-.5\ltjgetht\tw@+.5\ltjgetdp\tw@
+ \else\if #1r\relax\vrule\@width \z@\@height\ltjgetht\tw@ \@depth\dimexpr\@tempdima-\ltjgetht\tw@
+ \else\vrule\@width \z@ \@height\dimexpr\@tempdima-\ltjgetdp\tw@ \@depth\ltjgetdp\tw@
+ \fi\fi
+ \fi
+ \fi
+ \ifnum\ltjgetparameter{direction}=1\relax
+ \if #1c\relax\hbox to\@tempdimb{\yoko\hss#2\hss\kern-\ltjgetdp\tw@}%
+ \else\if #1r\relax\vbox{\hbox to\@tempdimb{\yoko\hss#2\kern-\ltjgetdp\tw@}}%
+ \else\lower\ltjgetdp\tw@\vtop{\hbox to\@tempdimb{\yoko#2\hss}}%
+ \fi\fi
+ \else
+ \if #1c\relax\raise\dimexpr.5\@tempdimb-\ltjgetdp\tw@
+ \hbox to\@tempdimb{\yoko \hss#2\hss}%
+ \else\if #1r\relax\raise\dimexpr.5\@tempdimb-\ltjgetdp\tw@
+ \vbox{\hbox to\@tempdimb{\yoko\hss#2}}%
+ \else\raise\dimexpr.5\@tempdimb-\ltjgetdp\tw@
+ \vtop{\hbox to\@tempdimb{\yoko #2\hss}}%
+ \fi\fi
+ \fi
+ \hskip\rensujiskip
+\fi}
+\let\Rensuji\rensuji
+\let\prensuji\rensuji
+
+%%% kanji
+\def\Kanji#1{\expandafter\@Kanji\csname c@#1\endcsname}
+\def\@Kanji#1{\expandafter\kansuji\number #1}
+\def\kanji{\ifnum\ltjgetparameter{direction}=3 \expandafter\kansuji\fi}
+
+%%% bou
+%%%
+\def\boutenchar{\char\euc"A1A2}%"
+\def\bou#1{\ifvmode\leavevmode\fi\@bou#1\end}
+\def\@bou#1{%
+ \ifx#1\end \let\next=\relax
+ \else
+ \ifnum\ltjgetparameter{direction}=3\relax
+ \hbox to\z@{\vbox to\z@{\boxmaxdepth\maxdimen
+ \vss\moveleft0.2\zw\hbox{\yoko\boutenchar}\nointerlineskip
+ \hbox{\char\euc"A1A1}}\hss}\nobreak#1\relax
+ \else
+ \hbox to\z@{\vbox to\z@{\boxmaxdepth\maxdimen
+ \vss\moveleft-0.2\zw\hbox{\boutenchar}\nointerlineskip
+ \hbox{\char\euc"A1A1}}\hss}\nobreak#1\relax
+ \fi
+ \let\next=\@bou
+ \fi\next}
+
+%%% kasen
+\def\kasen#1{%
+ \ifnum\ltjgetparameter{direction}=3\relax
+ \setbox\z@\hbox{#1}\leavevmode\raise.7\zw
+ \hbox to\z@{\vrule\@width\wd\z@ \@depth\z@ \@height.4\p@\hss}%
+ \box\z@
+ \else\underline{#1}\fi}
+
+%%% references
+\def\@eqnnum{{\reset@font\rmfamily \normalcolor
+ \ifnum\ltjgetparameter{direction}=3 \raise.25\zh\hbox{\yoko(\theequation)}%
+ \else (\theequation)\fi}}
+\def\@thecounter#1{\noexpand\rensuji{\noexpand\arabic{#1}}}
+\def\@thmcounter#1{\noexpand\rensuji{\noexpand\arabic{#1}}}
+
+%% Compatibility with array package
+
+\def\ltj@lltjext@patch@array{%
+ \def\@startpbox##1{\bgroup
+ \box@dir\adjustbaseline%%% これを追加
+ \hsize=##1\@arrayparboxrestore
+ \everypar{%
+ \vrule \@height \ltjgetht\@arstrutbox \@width \z@
+ \everypar{}}%
+ }
+ \def\@tabarray{\@ifnextchar<\p@tabarray{\p@tabarray<Z>}}
+ \def\p@array<##1>[##2]##3{%
+ \let\box@dir\relax
+ \if ##1z\relax
+ \ifnum\ltjgetparameter{direction}=3\relax
+ \let\box@dir\utod\@tempcnta=\zstrutbox
+ \fi
+ \else
+ \if ##1y\relax
+ \let\box@dir\yoko\@tempcnta=\strutbox
+ \else\if ##1t\relax
+ \let\box@dir\tate\@tempcnta=\tstrutbox
+ \else\if ##1d\relax
+ \let\box@dir\dtou\@tempcnta=\dstrutbox
+ \else\if ##1u\relax
+ \let\box@dir\utod\@tempcnta=\zstrutbox
+ \fi\fi\fi\fi
+ \fi
+ \ifx\box@dir\relax
+ \ifcase\ltjgetparameter{direction}
+ \or \let\box@dir\dtou\@tempcnta=\tabskip \z@\tabskip \z@\dstrutbox% dtou
+ \or\or\let\box@dir\tate\@tempcnta=\tstrutbox% tate
+ \or \let\box@dir\yoko\@tempcnta=\strutbox% yoko
+ \else \let\box@dir\utod\@tempcnta=\zstrutbox% utod
+ \fi
+ \fi
+ \setbox \@arstrutbox \hbox{\box@dir\vrule
+ \@height \arraystretch
+ \dimexpr \ltjgetht\@tempcnta+\extrarowheight\relax
+ \@depth \arraystretch \ltjgetdp \@tempcnta
+ \@width \z@}%
+ \fork@array@option<##1>[##2]%
+ \begingroup
+ \@mkpream{##3}%
+ \xdef\@preamble{\ialign \noexpand \@halignto
+ \bgroup \tabskip \z@skip \@arstrut \@preamble
+ \tabskip \z@ \cr}%
+ \endgroup
+ \@arrayleft
+ \@begin@alignbox\bgroup\box@dir\adjustbaseline
+ \let\par\@empty
+ \let\@sharp####\let\protect\relax
+ \let\\\@arraycr\let\tabularnewline\\\let\par\@empty
+ \lineskip\z@skip\baselineskip\z@skip\@preamble}
+ \def\endarray{\crcr\egroup\egroup\@end@alignbox}
+}
+
+\@ifpackageloaded{array}{%
+ \let\tabular=\ltj@lltjext@orig@tabular
+ \let\array=\ltj@lltjext@orig@array
+ \ltj@lltjext@patch@array
+}{%
+ \let\ltj@lltjext@orig@tabular\relax
+ \let\ltj@lltjext@orig@array\relax
+ \RequirePackage{filehook}
+ \AtEndOfPackageFile{array}{\ltj@lltjext@patch@array}
+}
+
+
+\endinput \ No newline at end of file