[Devel] how to recognize GSF?

[Werner LEMBERG]

> > I think it is impossible to recognize GSF since there isn't a
> > special format or signature.
>
> PfaEdit recognizes type1 gsf fonts by finding an unencrypted
> /CharStrings dictionary (or /Subrs array) definition.
> 
> But many gsf fonts are type3s and I didn't try to interpret them.

So the question to the gs maintainers: How can a GSF reliably
detected?


    Werner