[Zope] Copy of open-box product

[Dieter Maurer]

Tino Wildenhain wrote at 2005-1-8 22:57 +0100:
> ...
>Well, this does not make much sense, the ZClass id is the class
>name it represents. Its a bit tricky anyway and most people
>will tell you not touch zclasses at all. 
>Why dont you derive from the class? This is after all, what
>OOP is all about...

Be careful!

There is a known bug when a ZClass inherits from a ZClass
defined in a different product.

Everything works fine as long as you do not export/import
the product. When you do, the inheritance gets broken.

-- 
Dieter