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small fix
[luatex-ja/luatexja.git] / src / lltjext.sty
index b814bbe..9fe18f4 100644 (file)
@@ -3,31 +3,33 @@
 %
 
 \NeedsTeXFormat{LaTeX2e}
-\ProvidesPackage{lltjext}[2016/12/16 v1.2c-ltj-5 Macros for vertical writing]
+\ProvidesPackage{lltjext}[2020-09-30 v1.2k-ltj-12 Macros for vertical writing]
 \RequirePackage{luatexja}
-
-{\catcode`\*=11
-\global\let\ltj@lltjext@orig@tabularS=\tabular*
-}%
+\newcount\ltj@ext@dir
 \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}
+ \let\\\@arraycr\let\@halignto\@empty
+ \ltj@ext@dir=\ltjgetparameter{direction}\relax\X@tabarray}
 \def\tabular{\let\@halignto\@empty\X@tabular}
 \@namedef{tabular*}{\@ifnextchar<%>
-   {\@stabular}{\@stabular<Z>}}
+   {\p@stabular}{\p@stabular<Z>}}
+{\catcode`\*=11
+\global\let\ltj@lltjext@orig@tabularS=\tabular*
+}%
 \def\X@tabarray{\@ifnextchar<%>
    {\p@tabarray}{\p@tabarray<Z>}}
 \def\X@tabular{\@ifnextchar<%>
    {\p@tabular}{\p@tabular<Z>}}
-\def\@stabular<#1>#2{%
+\def\p@stabular<#1>#2{%
    \setlength\dimen@{#2}%
    \edef\@halignto{to\the\dimen@}\p@tabular<#1>}
 \def\p@tabular<#1>{\leavevmode \hbox \bgroup 
-   \count@=\ltjgetparameter{direction}$\let\@acol\@tabacol
+   \ltj@ext@dir=\ltjgetparameter{direction}
+   $\let\@acol\@tabacol
    \let\@classz\@tabclassz
    \let\@classiv\@tabclassiv \let\\\@tabularcr\p@tabarray<#1>}
 \def\p@tabarray<#1>{\m@th\@ifnextchar[%]
 \def\p@array<#1>[#2]#3{%
   \let\box@dir\relax
   \if #1z\relax
-    \ifnum\ltjgetparameter{direction}=3\relax
+    \ifnum\ltj@ext@dir=3\relax
       \let\box@dir\utod\@tempcnta=\zstrutbox
     \fi
   \else
     \if #1y\relax
-       \let\box@dir\yoko\@tempcnta=\strutbox
+       \let\box@dir\yoko\@tempcnta=\ystrutbox
     \else\if #1t\relax
        \let\box@dir\tate\@tempcnta=\tstrutbox
     \else\if #1d\relax
     \fi\fi\fi\fi
   \fi
   \ifx\box@dir\relax
-    \ifcase\count@
+    \ifcase\ltj@ext@dir
        \or   \let\box@dir\dtou\@tempcnta=\dstrutbox% dtou
        \or\or\let\box@dir\tate\@tempcnta=\tstrutbox% tate
-       \or   \let\box@dir\yoko\@tempcnta=\strutbox% yoko
+       \or   \let\box@dir\yoko\@tempcnta=\ystrutbox% yoko
        \else \let\box@dir\utod\@tempcnta=\zstrutbox% utod
     \fi
   \fi
+  \fork@array@option<#1>[#2]\@begin@alignbox
+  \bgroup\box@dir\adjustbaseline
   \setbox\@arstrutbox\hbox{%
     \box@dir
     \vrule\@height\arraystretch\ltjgetht\@tempcnta
           \@depth\arraystretch\ltjgetdp\@tempcnta \@width\z@}%
-  \fork@array@option<#1>[#2]%
   \@mkpream{#3}\edef\@preamble{\ialign \noexpand\@halignto
   \bgroup\@arstrut \@preamble \tabskip\z@skip \cr}%
-   \let\tabularnewline\\%
-  \@begin@alignbox\bgroup\box@dir\adjustbaseline
+  \let\@startpbox\@@startpbox \let\@endpbox\@@endpbox
+  \let\tabularnewline\\%
     \let\par\@empty
-    \let\@sharp##\let\protect\relax
-    \lineskip\z@skip\baselineskip\z@skip\@preamble}
+    \let\@sharp##%
+       \set@typeset@protect
+    \lineskip\z@skip\baselineskip\z@skip
+    \ifhmode \@preamerr\z@ \@@par\fi
+       \@preamble}
 \def\endarray{\crcr\egroup\egroup\@end@alignbox}
 \def\endtabular{\endarray$\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
+% ↓中身\周囲→ yoko  tate  utod  dtou
+% yoko          A*    B*    B     B
+% tate          B*    A*    D     C
+% utod          B     D*    A     C
+% dtou          B     C     C     A
+% A: 周囲と中身の組方向が一致.そのまま \vtop/\vcenter/\vbox
+% B: 周囲と中身が90度ずれ.上端/下端がベースラインに揃うように
+% C: 周囲と中身が180度ずれ.\vtop, \vbox 入れ替え
+% D: 欧文ベースライン同士を揃えるようにする
+
+\def\fork@array@option@@A#1{%
+  \let\@end@alignbox\relax
+  \if #1t\relax     \let\@begin@alignbox\vtop
+  \else\if #1b\relax\let\@begin@alignbox\vbox
+  \else             \let\@begin@alignbox\vcenter
+  \fi\fi}
+\def\fork@array@option@@B#1{%
+  \if #1t\relax
+    \def\@begin@alignbox{\vtop\bgroup\kern\z@\vbox}%
+    \let\@end@alignbox\egroup
+  \else\if #1b\relax
+    \def\@begin@alignbox{\vbox\bgroup\vbox}%
+    \def\@end@alignbox{\kern\z@\egroup}%
   \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
+    \let\@begin@alignbox\vcenter
+    \let\@end@alignbox\relax
+  \fi\fi}
+\def\fork@array@option@@C#1{%
+  \let\@end@alignbox\relax
+  \if #1t\relax     \let\@begin@alignbox\vbox
+  \else\if #1b\relax\let\@begin@alignbox\vtop
+  \else             \let\@begin@alignbox\vcenter
+  \fi\fi}
+\def\fork@array@option<#1>[#2]{%
+\ifnum\ltj@ext@dir=4 % yoko
+  \ifx\box@dir\yoko      \fork@array@option@@A{#2}%
+  \else                  \fork@array@option@@B{#2}%
   \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
+\else\ifnum\ltj@ext@dir=1 % dtou
+  \ifx\box@dir\yoko      \fork@array@option@@B{#2}%
+  \else\ifx\box@dir\dtou \fork@array@option@@A{#2}%
+  \else                  \fork@array@option@@C{#2}%
   \fi\fi
-\else % tate, utod
-  \ifx\box@dir\yoko
+\else\ifnum\ltj@ext@dir=3 % tate
+  \ifx\box@dir\yoko      \fork@array@option@@B{#2}%
+  \else\ifx\box@dir\tate \fork@array@option@@A{#2}%
+  \else\ifx\box@dir\dtou \fork@array@option@@C{#2}%
+  \else
     \if #2t\relax
-      \def\@begin@alignbox{\vtop\bgroup\kern\z@\vbox}%
-      \def\@end@alignbox{\egroup}%
+      \def\@begin@alignbox{\lower\dimexpr
+         \ltjgetparameter{talbaselineshift}-\ltjgetparameter{yalbaselineshift}\vtop}
+      \let\@end@alignbox\relax
     \else\if #2b\relax
-      \def\@begin@alignbox{\vbox\bgroup\vbox}%
-      \def\@end@alignbox{\kern\z@\egroup}%
+      \def\@begin@alignbox{\lower\dimexpr
+         \ltjgetparameter{talbaselineshift}-\ltjgetparameter{yalbaselineshift}\vbox}
+      \let\@end@alignbox\relax
     \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
+  \fi\fi\fi
+\else % utod
+  \ifx\box@dir\yoko      \fork@array@option@@B{#2}%
+  \else\ifx\box@dir\utod \fork@array@option@@A{#2}%
+  \else\ifx\box@dir\dtou \fork@array@option@@C{#2}%
+  \else
     \if #2t\relax
-      \let\@begin@alignbox\vbox %%% !!!
+      \def\@begin@alignbox{\lower\dimexpr
+         \ltjgetparameter{yalbaselineshift}-\ltjgetparameter{talbaselineshift}\vtop}
       \let\@end@alignbox\relax
     \else\if #2b\relax
-      \let\@begin@alignbox\vtop %%% !!!
+      \def\@begin@alignbox{\lower\dimexpr
+         \ltjgetparameter{yalbaselineshift}-\ltjgetparameter{talbaselineshift}\vbox}
       \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%
-}
+  \fi\fi\fi
+\fi\fi\fi}
 
 %%% caption
 \newbox\@floatbox
     }\hrule width\floatwidth height\floatruletick depth\z@}}
 \def\DeclareLayoutCaption#1<#2>(#3)[#4#5]{%
   \expandafter
-  \ifx\csname #1@layoutcaption\endcsname\relax \else
+  \ifx\csname #1@layoutc@ption\endcsname\relax \else
     \@latex@info{Redeclaring capiton layout setting of '#1'}%
   \fi
   \expandafter
-  \gdef\csname #1@layoutcaption\endcsname{%
+  \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
-\DeclareLayoutCaption{figure}<y>(.8\linewidth)[cd]
-\DeclareLayoutCaption{table}<y>(.8\linewidth)[cu]
+\DeclareLayoutCaption{figure}<n>(.8\linewidth)[cd]
+\DeclareLayoutCaption{table}<n>(.8\linewidth)[cu]
 \def\layoutcaption{\def\caption@dir{Z}\captionwidth\z@
   \def\caption@posa{Z}\def\caption@posb{Z}%
   \@ifnextchar<\X@layoutcaption{%
   \@ifnextchar[{\@iilayoutcaption}{\relax}}
 \def\@iilayoutcaption[#1#2]{%
   \def\caption@posa{#1}\def\caption@posb{#2}}
-\def\pcaption{\refstepcounter\@captype \@dblarg{\@pcaption\@captype}}
+\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 with `\protect\layoutfloat'.}\@eha
+     \@latex@error{Use \noexpand\pcaption with `\protect\layoutfloat'}\@eha
   \fi
   \make@pcaptionbox{#3}%
   \@pboxswfalse
     \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
+    \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@pboxsw \m@th$\fi \if r\float@pos\else\hss\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
+  \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 @layoutcaption\endcsname
+     \csname \@captype @layoutc@ption\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?
+  % \@tempswa: 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
   \setbox0\hbox{\hbox{\captiondir
      \captionfontsetup\parindent\z@\inhibitglue
      \csname fnum@\@captype\endcsname  #1}}%"
-  \if@tempswa\@tempdima\ltjgetht0\relax\else\@tempdima\ltjgetwd0\relax\fi
+  \if@tempswa\@tempdima\ltjgetht0 \advance\@tempdima\ltjgetdp0
+  \else\@tempdima\ltjgetwd0 \fi
   \ifdim\@tempdima>\captionwidth \@tempdima\captionwidth \fi
   \@pboxswfalse
   \setbox0\hbox{%
   \color@endgroup
   \egroup
   \expandafter\@iiiparbox\@mpargs{\unvbox\@tempboxa}\egroup}
-\def\parbox{\@ifnextchar<%>
+\DeclareRobustCommand\parbox{\@ifnextchar<%>
    {\X@parbox}{\X@parbox<Z>}}
 \def\X@parbox<#1>{\@ifnextchar[%]
    {\@iparbox<#1>}{\@iiiparbox<#1>{c}\relax[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
+  \leavevmode
   \setlength\@tempdima{#5}%
   \fork@parbox@option<#1>[#2]%
   \@begin@tempboxa\vbox{\box@dir
     \hsize\@tempdima\@parboxrestore\adjustbaseline#6\@@par}%
-    \ifx\relax#3\relax\else
+    \ifx\relax#3\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}
+  \@end@tempboxa}
+
+
+% ↓中身\周囲→ yoko  tate  utod  dtou
+% yoko          A*    B*    B     B
+% tate          B*    A*    D     C
+% utod          B     D*    A     C
+% dtou          B     C     C     A
+% A: 周囲と中身の組方向が一致.そのまま \vtop/\vcenter/\vbox
+% B: 周囲と中身が90度ずれ.上端が和文の高さ or 下端が和文の深さに揃うように
+% C: 周囲と中身が180度ずれ.(コードは B のものを流用)
+% D: 上端が和文の高さ or 下端が和文の深さに揃うように(コードは B のものを流用)
+
+\def\fork@parbox@option@@A#1{%
+  \let\@end@parbox\relax
+  \if #1t\relax     \let\@begin@parbox\vtop
+  \else\if #1b\relax\let\@begin@parbox\vbox
+  \else
+    \ifmmode
+      \let\@begin@parbox\vcenter\let\@end@parbox\relax
+    \else
+      \def\@begin@parbox{\null$\vcenter}%
+      \def\@end@parbox{\m@th$\null}%
+    \fi
+  \fi\fi}
+\def\lltjext@getjablshift{%
+  \ifnum\ltj@ext@dir=3 \ltjgetparameter{tjabaselineshift}\else
+  \ltjgetparameter{yjabaselineshift}\fi}
+\def\fork@parbox@option@@B#1{%
+  \if #1t\relax
+    \def\@begin@parbox{\raise\dimexpr\cht-\lltjext@getjablshift\vtop\bgroup\kern\z@\vbox}%
+    \let\@end@parbox\egroup
+  \else\if #1b\relax
+    \def\@begin@parbox{\lower\dimexpr\cdp+\lltjext@getjablshift\vbox\bgroup\vbox}%
+    \def\@end@parbox{\kern\z@\egroup}%
+  \else
+    \ifmmode
+      \let\@begin@parbox\vcenter\let\@end@parbox\relax
+    \else
+      \def\@begin@parbox{\null$\vcenter}%
+      \def\@end@parbox{\m@th$\null}%
+    \fi
+  \fi\fi}
+\let\fork@parbox@option@@C=\fork@parbox@option@@B
 \def\fork@parbox@option<#1>[#2]{%
-  \let\box@dir\relax
+  \let\box@dir\relax \ltj@ext@dir=\ltjgetparameter{direction}\relax
   \if #1z\relax
-    \ifnum\ltjgetparameter{direction}=3\relax
+    \ifnum\ltj@ext@dir=3\relax
       \let\box@dir\utod
     \fi
   \else
     \fi\fi\fi\fi
   \fi
   \ifx\box@dir\relax
-    \ifcase\ltjgetparameter{direction}\relax
+    \ifcase\ltj@ext@dir
        \or   \let\box@dir\dtou
        \or\or\let\box@dir\tate
        \or   \let\box@dir\yoko
        \else \let\box@dir\utod
     \fi
   \fi
-%%% now almost same as \fork@array@option
-\ifnum\ltjgetparameter{direction}=4 % yoko
-  \ifx\box@dir\yoko
-    \if #2t\relax
-       \let\@begin@parbox\vtop
-       \let\@end@parbox\relax
-    \else\if #2b\relax
-       \let\@begin@parbox\vbox
-       \let\@end@parbox\relax
-    \else
-      \def\@begin@parbox{$\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$}%
-    \fi\fi
+\ifnum\ltj@ext@dir=4 % yoko
+  \ifx\box@dir\yoko      \fork@parbox@option@@A{#2}%
+  \else                  \fork@parbox@option@@B{#2}%
   \fi
-\else\ifnum\ltjgetparameter{direction}=1 % dtou
-  \ifx\box@dir\yoko
-    \if #2t\relax
-       \def\@begin@parbox{\vtop\bgroup\kern\z@\vbox}
-       \def\@end@parbox{\egroup}
-    \else\if #2b\relax
-       \let\@begin@parbox\vbox
-       \let\@end@parbox\relax
-    \else
-      \def\@begin@parbox{$\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$}%
-    \fi\fi
+\else\ifnum\ltj@ext@dir=1 % dtou
+  \ifx\box@dir\yoko      \fork@parbox@option@@B{#2}%
+  \else\ifx\box@dir\dtou \fork@parbox@option@@A{#2}%
+  \else                  \fork@parbox@option@@C{#2}%
   \fi\fi
-\else % tate, utod
-  \ifx\box@dir\yoko
-    \if #2t\relax
-      \def\@begin@parbox{\vtop\bgroup\kern\z@\vbox}%
-      \def\@end@parbox{\egroup}%
-    \else\if #2b\relax
-      \def\@begin@parbox{\vbox\bgroup\vbox}%
-      \def\@end@parbox{\kern\z@\egroup}%
-    \else
-      \def\@begin@parbox{$\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%
-}
+\else\ifnum\ltj@ext@dir=3 % tate
+  \ifx\box@dir\yoko      \fork@parbox@option@@B{#2}%
+  \else\ifx\box@dir\tate \fork@parbox@option@@A{#2}%
+  \else\ifx\box@dir\dtou \fork@parbox@option@@C{#2}%
+  \else                  \fork@parbox@option@@B{#2}% D
+  \fi\fi\fi
+\else % utod
+  \ifx\box@dir\yoko      \fork@parbox@option@@B{#2}%
+  \else\ifx\box@dir\utod \fork@parbox@option@@A{#2}%
+  \else\ifx\box@dir\dtou \fork@parbox@option@@C{#2}%
+  \else                  \fork@parbox@option@@B{#2}% D
+  \fi\fi\fi
+\fi\fi\fi}
 
 %%% pbox
-\def\pbox{\leavevmode\@ifnextchar<{\X@makePbox}{\X@makePbox<Z>}}
+\DeclareRobustCommand\pbox{\leavevmode\@ifnextchar<{\X@makePbox}{\X@makePbox<Z>}}
 \def\X@makePbox<#1>{%
   \@ifnextchar[{\@imakePbox<#1>}{\@imakePbox<#1>[-5\p@]}}
 \def\@imakePbox<#1>[#2]{\@ifnextchar[%]
        \else \let\box@dir\utod
     \fi
   \fi
-    \ifdim #2 <\z@ \hbox{\box@dir#4}\else
-    \hbox to#2{\box@dir
+    \setlength{\@tempdima}{#2}%
+    \ifdim\@tempdima<\z@ \hbox{\box@dir#4}\else
+    \hb@xt@\@tempdima{\box@dir
                \if #3l\relax\else\hss\fi
                #4\relax
                \if #3r\relax\else\hss\fi}\fi\egroup}
        \else \let\box@dir\utod
     \fi
   \fi
+\ifltj@ltfilehook@avail % LaTeX2e >= 2020-10-01
+  \@defaultunitsset\@picht{#3}\unitlength
+  \@defaultunitsset\@picwd{#2}\unitlength
+  \setbox\@picbox\hbox to\@picwd\bgroup\box@dir
+    \@defaultunitsset\@tempdimc{#4}\unitlength\hskip-\@tempdimc
+    \@defaultunitsset\@tempdimc{#5}\unitlength\lower\@tempdimc\hbox\bgroup
+\else % <= 2020-02-02
   \@picwd=#2\unitlength \@picht=#3\unitlength
   \setbox\@picbox\hbox to\@picwd\bgroup\box@dir
   \hskip-#4\unitlength\lower#5\unitlength\hbox\bgroup
+\fi
   \ltj@@pic@reset@blshift
   \ignorespaces}
 \def\endpicture{%
 
 %%% kanji
 \def\Kanji#1{\expandafter\@Kanji\csname c@#1\endcsname}
-\def\@Kanji#1{\expandafter\kansuji\number #1}
+\def\@Kanji#1{\kansuji #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}
+\DeclareRobustCommand\bou[1]{\ifvmode\leavevmode\fi\@bou#1\end}
 \def\@bou#1{%
-  \ifx#1\end \let\next=\relax
+  \ifx#1\end \let\ltj@@next=\relax
   \else
     \ifnum\ltjgetparameter{direction}=3\relax
       \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}
+    \let\ltj@@next=\@bou
+  \fi\ltj@@next}
 
 %%% kasen
-\def\kasen#1{%
+\DeclareRobustCommand\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}%
 
 %%% references
 \def\@eqnnum{{\reset@font\rmfamily \normalcolor
-  \ifnum\ltjgetparameter{direction}=\raise.25\zh\hbox{\yoko(\theequation)}%
+  \ifnum\ltjgetparameter{direction}=11\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{%
+  \patchcmd{\@tabular}{\hbox\bgroup}{%
+       \hbox\bgroup\ltj@ext@dir=\ltjgetparameter{direction}}{}{}
+  \pretocmd{\array}%
+       {\ltj@ext@dir=\ltjgetparameter{direction}\relax}{}{}
+  \expandafter\let\csname tabular*\endcsname=\ltj@lltjext@orig@tabularS
+  \patchcmd{\p@stabular}{\p@tabular}{\@tabular}{}{}
+  \@ifpackagelater{array}{2018/09/13}
+    {\expandafter\@firstoftwo}
+    {\expandafter\@secondoftwo}
+  {% = for 2018/09/13 v2.4i or newer
+  \def\@startpbox##1{\bgroup
+    \color@begingroup
+    \box@dir\adjustbaseline%%% これを追加
+    \setlength\hsize{##1}\@arrayparboxrestore
+      \everypar{%
+         \vrule \@height \ltjgetht\@arstrutbox \@width \z@
+         \everypar{}}%
+      }%
+  }{ % = for 2018/04/30 v2.4h or older
   \def\@startpbox##1{\bgroup
-   \box@dir\adjustbaseline%%% これを追加
-   \hsize=##1\@arrayparboxrestore
-     \everypar{%
-        \vrule \@height \ltjgetht\@arstrutbox \@width \z@
-        \everypar{}}%
-     }
+    \box@dir\adjustbaseline%%% これを追加
+    \setlength\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
+      \ifnum\ltj@ext@dir=3\relax
         \let\box@dir\utod\@tempcnta=\zstrutbox
       \fi
     \else
       \if ##1y\relax
-        \let\box@dir\yoko\@tempcnta=\strutbox
+        \let\box@dir\yoko\@tempcnta=\ystrutbox
       \else\if ##1t\relax
         \let\box@dir\tate\@tempcnta=\tstrutbox
       \else\if ##1d\relax
       \fi\fi\fi\fi
     \fi
     \ifx\box@dir\relax
-      \ifcase\ltjgetparameter{direction}
-         \or   \let\box@dir\dtou\@tempcnta=\tabskip \z@\tabskip \z@\dstrutbox% dtou
+      \ifcase\ltj@ext@dir
+         \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
+         \or   \let\box@dir\yoko\@tempcnta=\ystrutbox% yoko
          \else \let\box@dir\utod\@tempcnta=\zstrutbox% utod
       \fi
     \fi
      \lineskip\z@skip\baselineskip\z@skip\@preamble}
   \def\endarray{\crcr\egroup\egroup\@end@alignbox\@arrayright}
 }
-
 \@ifpackageloaded{array}{%
-  \expandafter\let\csname tabular*\endcsname=\ltj@lltjext@orig@tabularS
   \let\tabular=\ltj@lltjext@orig@tabular
   \let\array=\ltj@lltjext@orig@array
   \ltj@lltjext@patch@array
 }{%
-  \let\ltj@lltjext@orig@tabularS\relax
   \let\ltj@lltjext@orig@tabular\relax
   \let\ltj@lltjext@orig@array\relax
-  \RequirePackage{filehook}
-  \AtEndOfPackageFile{array}{\ltj@lltjext@patch@array}
+  \ltj@ExecuteAfterPackage{array}{\ltj@lltjext@patch@array}
 }
 
 %%%%%%%%%%%%%%%% LuaTeX-ja original
 
-\define@key[ltj]{japaram}{autouprightnum}{%      %COUNT
-  \ltj@@set@stack{AURN}{0}{10000}\z@#1 }
+%%\define@key[ltj]{japaram}{autouprightnum}{%      %COUNT
+%%  \ltj@@set@stack{AURN}{0}{10000}\z@#1 }
 
 \endinput