(In reply to comment #18)
> (In reply to comment #17)
> > wrote an email to Keith (keithp at keithp dot com) if the upstream is aware of
> > this bug.
>
> Or maybe feature? :-)
No, indeed a bug. From fontconfig-devel.txt:
...
style FC_STYLE String Font style. Overrides weight and slant
stylelang FC_STYLELANG String Language cooresponding to
... each style name
(In reply to comment #18)
> (In reply to comment #17)
> > wrote an email to Keith (keithp at keithp dot com) if the upstream is aware of
> > this bug.
>
> Or maybe feature? :-)
No, indeed a bug. From fontconfig- devel.txt:
...
and slant
style FC_STYLE String Font style. Overrides weight
stylelang FC_STYLELANG String Language cooresponding to
... each style name