In one of my fonts, I'm having a hard time getting the OT features to
work correctly in XeLaTeX.
If I include the following line:
\setmainfont[Numbers=Lowercase,Ligatures={Rare,Historical}]{Cardo}
then the oldstyle numerals and ligatures work fine. If I omit the
options from the \setmainfont command and add the features in the body
of the document using the normal \addfontfeature{ } or \addfontfeatures{
}, the features don't work (but there are no error messages during
compilation). Also, I cannot turn off the standard ligatures with the
Ligatures=NoCommon command.
I suspect that this might have to do with the way I have defined the
scripts and languages. All my features are set up this way:
feature onum { # Oldstyle Figures
script latn;
language dflt;
sub @figures by @figures_oldstyle;
script grek; # Greek
language dflt;
sub @figures by @figures_oldstyle;
} onum;
In other words, I define the script and then the language (dflt only),
which I thought was the right way. I'd appreciate any help.
David
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