[Zope] Upgrading Zclasses

[Itamar S.-T.]

Let's say I create a ZClass and then distribute it to other people, who then
use it in their website.  If I make changes to the Zclass, the instances get
automatically changed, but if the other people using the Zclass want to have
my changes, ie. use the updated Zclass, how can they do so and have their
instances use it too?

-- 
Itamar - itamars@ibm.net
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