\tl_replace_all:cnn { rmfamily~ } { \fontfamily }{ \romanfamily }
\tl_replace_all:cnn { sffamily~ } { \fontfamily }{ \romanfamily }
\tl_replace_all:cnn { ttfamily~ } { \fontfamily }{ \romanfamily }
- \typeout{LATEX~ 2019-10-01!}
\cs_if_exist:NF \@rmfamilyhook {
\tl_replace_all:cnn { rmfamily~ } { \selectfont } {
\if@ltj@match@family