[Python-3000] Special methods and interface-based type system

[Fredrik Lundh]

Guido van Rossum wrote:

 > Ivan Krstić explained this more concise in his message, which arrived
 > after I'd written all this up.

which is a good thing, because your post is a much better version of
the corresponding FAQ entry than what we came up with when this was last 
discussed in this thread (last week, I think?).  I hope you don't mind 
me stealing it ;-)

cheers /F