Jerome Peace wrote on Sun, 13 Jul 2008 19:14:47 -0700 (PDT)
> So the question of what to do about overides comes down to:
> how do you add and remove packages without touching any other package?

Allow more than one version of an object in a single image, where
needed.

> Do you know of a way to do that?
> Can you tell the Merchant?

PIE is nearly 30 years old:

http://portal.acm.org/citation.cfm?id=802792&dl=ACM&coll=GUIDE

It is about time something like that is included as a basic part of
Smalltalk.

-- Jecel