(In reply to comment #7)
> I don't understand what you expect to see; fontconfig is correctly extracting
> both listed family names (futura and, e.g., futura lt BT). Either name should
> get matched.
In the attachments I created you can see that with the current version of
fontconfig font names oviously look wrong.
The attachment where the names look right was created with fontconfig 2.2.3