+%%% AtBeginDvi
+\def \AtBeginDvi #1{%
+ \global \setbox \@begindvibox
+ \vbox{\yoko\unvbox \@begindvibox #1}%
+}
+
+%%% @makecol
+\gdef \@makecol {%
+ \ifvoid\footins
+ \setbox\@outputbox \box\@cclv
+ \else
+ \setbox\@outputbox \vbox {%
+ \boxmaxdepth \@maxdepth
+ \unvbox \@cclv
+ \vskip \skip\footins
+ \color@begingroup
+ \normalcolor
+ \footnoterule
+ \unvbox \footins
+ \color@endgroup
+ }%
+ \fi
+ \let\@elt\relax
+ \xdef\@freelist{\@freelist\@midlist}%
+ \global \let \@midlist \@empty
+ \@combinefloats
+ \ifvbox\@kludgeins
+ \@makespecialcolbox
+ \else
+ \setbox\@outputbox \vbox to\@colht {%
+ \@texttop
+ \dimen@ \dp\@outputbox
+ \unvbox \@outputbox
+ \ifnum\ltjgetparameter{direction}=4\else\hskip\z@\fi %%% LuaTeX-ja
+ \vskip -\dimen@
+ \@textbottom
+ }%
+ \fi
+ \global \maxdepth \@maxdepth
+}
+