[V3dot10] loading scripts via package universes

[Ralph Johnson]

On 27 Jul 2007 11:34:36 +0200, Lex Spoon <lex at lexspoon.org> wrote:
> I do not like the change.  Package universes is about packages, things
> that can not only be loaded, but also unloaded and compared against
> different versions.  If we make a habit of loading scripts instead of
> loading packages, then the PU will be unable to do a lot of its job.
> It will be a step back to using file outs.

Can PU actually unload packages?  I tried this a time or two and it
didn't work.  If you say that it does work then I'll try again and
make bug reports when (if) it fails.

How does PU make use of comparing against different versions?

-Ralph