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From: Kai.Grossjohann@CS.Uni-Dortmund.DE
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Subject: How to add new split method?
Date: 11 Nov 1998 13:50:52 +0100
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Suppose I had a function which could split some of the incoming
messages but not all of them.  Thus, the behavior I want is:

If nnmail-kai-split-smartly returns a group, split the incoming
message to that group, else process nnmail-split-methods normally.

I'm also willing to use nnmail-split-fancy, of course, if that helps.

The documentation for nnmail-split-fancy tells me that it is possible
to call functions, but it is not clear whether the function is allowed
to return a don't-know value whereupon the processing of
nnmail-split-fancy continues.

Maybe I can just make the function return NIL as a don't-know value?
The documentation doesn't say, and I don't grok the source.

kai
-- 
Life is hard and then you die.