Jens Vagelpohl wrote:
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On 6 May 2007, at 05:12, Miles wrote:
-1, we can not change semantics of existing interfaces.
I agree with this. Though the restriction is not documented anywhere: I
am happy to add some explanatory notes though.
It does not need to be documented because that is a generally accepted
rune, not something specific to this project. Interfaces should not
change out of the blue. If a change must be made there are mechanisms
(deprecation warnings, etc) that can be used to tell people about
impending changes, and they're usually employed for 2 releases.
Sorry, my mail wasn't very clear.
I meant the "the first IUserAdder plugin to return True vetoes further
plugins" restriction (which isn't documented - I was suggesting adding a
note about it) and not the "changing semantics of interfaces out of the
blue is not allowed" restriction (which is documented in mailing lists
and other places).
Miles
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