ietf-nntp Simplification of wildmat

[Russ Allbery]

Clive D W Feather <clive at demon.net> writes:
> Maurizio Codogno said:

>> Besides, I don't see examples where sets are actually needed: in
>> practice, it should always be possible to unfold the set and obtain a
>> not-too-long wildmat.

> How do you unfold "alt.[^x]*" into something not-too-long ?

Well, if you have ',' and '!' available, alt.?*,!alt.x*.  But how often do
you actually use such a pattern?  (As mentioned here before, Diablo
doesn't even have set notation in its wildmat implementation.)

-- 
Russ Allbery (rra at stanford.edu)             <http://www.eyrie.org/~eagle/>