On 2010-08-23 04:48 +0100, Robert wrote: > \makeatletter > \def\MT at register@subst at font{\MT at exp@one at n\MT at in@clist\font at name\MT at font@list > \ifMT at inlist@\else\xdef\MT at font@list{\MT at font@list\font at name,}\fi} > \makeatother Is this on its way to next microtype release? Thanks, Leo.