ducasse wrote:

> Now it came to me that the problem is easily solved by proposing a kind of
> protocol (like in the loaded in envy or the post load action in VW) so that
> we can specify action to be performed when a module is loaded.

There is already such a protocol, look in the category of Class>>initialize.

> Note that this solution does not say anything about the semantics of the
> deltamodule. So henrik are the method in delat modules (class extentions)
> able to mask an existing method (in Envy this is impossible, in VW it is).

Yes.

> Then can I with a delta module override the class definition. I hope not.

Yes here too, but it isn't implemented yet.

Principle: anything that could be changed between to versions of a module
should be doable by a DeltaModule. Then you use it responsibly :-)

Henrik