ietf-nntp Draft 20 pre-release 2

[Clive D.W. Feather]

Ken Murchison said:
> LIST EXTENSIONS SHOULD be used by a client before using an optional 
> capability so it knows if its available or not.  This potentially saves 
> multiple round trips of trial and error.

Arguable. If a client only wants to use one extension (say LISTGROUP), it
is just as cheap to try it and fall back if it fails than to use LIST
EXTENSIONS.

> I propose that we remove ALL reference to caching and be done with it. 

If we do that then I think we have a problem with the security people,
because we aren't warning against it.

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