- \ifodd\c@page
- \iftdir
- \hbox{}\thispagestyle{empty}\newpage
- \if@twocolumn\hbox{}\newpage\fi
- \fi
- \else
- \ifydir
- \hbox{}\thispagestyle{empty}\newpage
- \if@twocolumn\hbox{}\newpage\fi
- \fi
+ \unless\ifodd\numexpr\c@page+\ltjgetparameter{direction}\relax
+ \hbox{}\thispagestyle{empty}\newpage
+ \if@twocolumn\hbox{}\newpage\fi