[Zope3-dev] New METAL extension feature

[Amos Latteier]

Shane Hathaway wrote:

> On the Zope 3 trunk, I have enhanced METAL to allow use-macro and
> define-macro in the same tag.

Great. This is an idea I've been interested in for a while.

> The only TAL language change
> is that you can now use both metal:define-macro and metal:use-macro in a
> single tag; this used to be an error.  Macro extension is much like
> defining a class that inherits from a single base class.  The slots are
> like methods that can be overridden.

Can you clarify how slots are redefined?

Thanks!

-Amos