[ietf-nntp] Extension documents
Clive D.W. Feather
clive at demon.net
Thu Jun 10 23:54:02 PDT 2004
Russ Allbery said:
>> If the server provides this extension, it MUST implement all of the
>> commands in this document except for those marked as optional. If it
>> does not provide this extension, it MUST NOT implement any of the
>> commands.
>
> Do we really need that last sentence?
It comes from section 8.2 of the base document, and has been there for some
while. The thinking was, I believe, to prevent a server implementing
LIST OVERVIEW.FMT without the whole OVER extension.
> I'm thinking of a situation where a
> server author has started an experimental implementation of an extension,
> but it's currently still buggy and probably shouldn't be used by general
> clients. I can see just not advertising it in LIST EXTENSIONS so that
> clients that do extension discovery won't suddenly start using it, but
> having it there under the standard command name so that people can do
> testing with standard NNTP libraries and tools.
Hmm. That's a good point, but it means we need to revisit the text in 8.2
and decide what our requirements are.
--
Clive D.W. Feather | Work: <clive at demon.net> | Tel: +44 20 8495 6138
Internet Expert | Home: <clive at davros.org> | Fax: +44 870 051 9937
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