[EAI] An extra comment on draft-ietf-eai-imap-utf8-07

Alexey Melnikov <alexey.melnikov@isode.com> Thu, 10 September 2009 21:28 UTC

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Date: Thu, 10 Sep 2009 22:28:27 +0100
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Subject: [EAI] An extra comment on draft-ietf-eai-imap-utf8-07
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>    An IMAP client MUST NOT issue a SEARCH command that uses a mixture of
>    utf8-quoted syntax and a SEARCH CHARSET other than UTF-8.  If an IMAP
>    server receives such a SEARCH command, it SHOULD reject the command


Can somebody remind me why SHOULD is used here?
I think we want MUST here, i.e. we should say that any such SEARCH 
command must be rejected by the server.
The only question I have is whether this results in a BAD response, or a 
NO response. BAD is clearer here, as it is a client error.

>    with a BAD response (due to the conflicting charset labels).