+\def\pltx@cleartorightpage{\clearpage\if@twoside
+ \unless\ifodd\numexpr\c@page+\ltjgetparameter{direction}\relax
+ \hbox{}\thispagestyle{empty}\newpage
+ \if@twocolumn\hbox{}\newpage\fi
+ \fi\fi}
+\def\pltx@cleartoleftpage{\clearpage\if@twoside
+ \ifodd\numexpr\c@page+\ltjgetparameter{direction}\relax
+ \hbox{}\thispagestyle{empty}\newpage
+ \if@twocolumn\hbox{}\newpage\fi
+ \fi\fi}
+\def\pltx@cleartooddpage{\clearpage\if@twoside
+ \ifodd\c@page\else
+ \hbox{}\thispagestyle{empty}\newpage
+ \if@twocolumn\hbox{}\newpage\fi
+ \fi\fi}
+\def\pltx@cleartoevenpage{\clearpage\if@twoside
+ \ifodd\c@page
+ \hbox{}\thispagestyle{empty}\newpage
+ \if@twocolumn\hbox{}\newpage\fi
+ \fi\fi}
+\if@openleft
+ \let\cleardoublepage\pltx@cleartoleftpage
+\else\if@openright
+ \let\cleardoublepage\pltx@cleartorightpage
+\fi\fi