[Zope] Can Role include an other Role?

[Lennart Regebro]

From: <zopestoller@thomas-guettler.de>
> I have three groups of users: A, B, C.
>
> C should have all permissions that A und B have. How can I do this?

You create two roles, A and B. You give all users in group A role A, all
users in group B role B.
You give users in group C roles A and B.

Done.