Hi,
I define a font with a fd file like this:
\ProvidesFile{eu2fxl.fd}[2010/04/19 v4.6.5b Font defs for Libertine]
\def\eu2...@parms{mode=node;script=latn;+ccmp;+locl;+mark;+mkmk;+kern;+liga;+clig;+trep;+tlig}
\expandafter\ifx\csname f...@scale\endcsname\relax
\let\fxl@@sca...@empty%
\else
\edef\fxl@@scale{s*[\csname f...@scale\endcsname]}%
\fi
\DeclareFontFamily{EU2}{fxl}{}
\DeclareFontShape{EU2}{fxl}{m}{n} {<-> \fxl@@scale
file:fxlr:\eu2...@parms}{}
\DeclareFontShape{EU2}{fxl}{m}{it} {<-> \fxl@@scale
file:fxlri:\eu2...@parms}{}
...
Is it possible to activate a otf feature like +onum with a macro, such
as \addfontfeature in xetex?
By
Michael