\patchcmd\@outputpage{\reset@font}{\@tombowreset@@paper\reset@font}{}{}
\patchcmd\@outputpage{\@begindvi}{\@begindvi\@outputtombow}{}{}
+%
+\pretocmd\@floatboxreset{\pltx@save@float@dir}{}{}
+\patchcmd\@endfloatbox{\outer@nobreak}{\outer@nobreak\pltx@check@float@dir}{}{}
+\def\pltx@save@float@dir{%
+ \edef\pltx@float@dir@first{\ltjgetparameter{direction}}}
+\def\pltx@check@float@dir{%
+ \ifx\pltx@float@dir@first\@undefined\else
+ \ifnum\ltjgetparameter{direction}=\pltx@float@dir@first\else
+ \pltx@err@float@dir
+ \fi
+ \fi}
+\def\pltx@err@float@dir{%
+ \@latex@error{Direction change inside float!?\MessageBreak
+ Use \noexpand\layoutcaption provided in \string\usepackage{lltjext}}\@ehc}
%%% Remove extra xkanjiskip
\renewcommand\@makefnmark{%
\unless\ifnum\ltjgetparameter{direction}=3