Ivo van der Wijk wrote:
> Secondly, can someone give me an example of a Replaceable object?

Any object that doesn't represent a service-kind-of-thing.

The term "replaceable" is used in the context of acquisition. Making 
things non-replaceable is a way of providing a particular service (say, 
a MailHost), and ensuring that this service will not be inadvertantly 
shadowed by something else (a DMTL Method perhaps) in a higher-up folder.

The concept of "replaceable" isn't needed in Zope 3, as services are 
kept separate from content.

Steve Alexander

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