Comment # 10 on bug 1189267 from Cor Blom

(In reply to Fabian Vogt from comment #9)
> (In reply to Steffen Winterfeldt from comment #8)
> > In my opinion the best way to avoid all this would have been to simply
> > create new
> > packages for '3' and keep the 'pro' fonts as is. Especially as the point of
> > the
> > font designer seems to be that the metrics differ from pro and the threat
> > is that there will be '4' etc in the future anyway.
> 
> Adding maintainer to CC.

So the fontconfig file is not sufficient and needs to be extended. Or we create
a new package.

I can see the benefit of both solutions and do not really have a preference. If
the decision is to create a new package adobe-sourcesans3-fonts, I can do that
(and the same for the serif variants).