On 27 Apr 2005, at 8:14 PM, Achim Blumensath wrote:

> You misunderstood. What I meant was: being able to define your own
> axes.
> Internally all axes could be implemented as shape parameter. I suggest
> replacing the current shape value by a comma separated list with one
> entry for each axis:
>   \fontshape{it,sc,osf}\selectfont

This looks like a very promising idea.
I think this is probably the only way that arbitrary font features
can be accommodated in some sort of font selection scheme.