\@endpart}
\def\@endpart{\vfil\newpage
\if@twoside
- \if@openleft %% added (????/??/??)
+ \if@openleft %% added (2017/02/24)
\null\thispagestyle{empty}\newpage
\else\if@openright %% added (2016/12/13)
\null\thispagestyle{empty}\newpage
- \fi\fi %% added (2016/12/13, ????/??/??)
+ \fi\fi %% added (2016/12/13, 2017/02/24)
\fi
\if@restonecol
\twocolumn