Upgrade scripts?

[Andreas Raab]

Bert Freudenberg wrote:
> I fixed the first MC bug, so if you load these:
> 
>     http://source.squeakfoundation.org/inbox/Monticello-bf.277.mcz
>     http://source.impara.de/Stuff/Graphics-bf.24.mcz
> 
> you'll get an Abort notice when loading Graphics-bf.24 in an unsafe  image:
> 
>     (BitBlt canUnderstand: #displayString:from:to:at:kern:font:)
>         ifFalse: [Abort new signal: 'need to load Graphics-ar.21  first!']

This looks good. Can I rely on this behavior in the future? I don't know 
if what you say about packageinfo having scripts relates to or 
invalidates the above. I'd be perfectly happy with the above solution.

Cheers,
   - Andreas