Re: [Extra] Spencer Dawkins' No Objection on draft-ietf-extra-imap-replace-02: (with COMMENT)

[Stuart Brandt <[e-mail]>]

Thanks, Spencer. This same question was raised elsewhere, so I will try 
to bring more clarity to it.

- Stuart

On 10/23/2018 11:59 PM, Spencer Dawkins wrote:
> Spencer Dawkins has entered the following ballot position for
> draft-ietf-extra-imap-replace-02: No Objection
>
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> The document, along with other ballot positions, can be found here:
> https://datatracker.ietf.org/doc/draft-ietf-extra-imap-replace/
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>
> ----------------------------------------------------------------------
> COMMENT:
> ----------------------------------------------------------------------
>
> I'm curious about one point -
>
>     In its simplest form, the REPLACE command is a single-command
>     encapsulation of APPEND, STORE +flags \DELETED and UID EXPUNGE for a
>     message, except that it avoids any of the quota implications or
>     intermediate states associated with the 3 command sequence.  In
>     handling a REPLACE command, a server MUST NOT generate a response
>     code for the STORE +flags \DELETED portion of the sequence.
>     Additionally, servers supporting the REPLACE command MUST NOT infer
>     any inheritance of content, flags, or annotations from the message
>     being replaced.  Finally, the replaced and replacing messages SHOULD
>     NOT be present in the mailbox at the same time.
>
> I can imagine that having the replaced and replacing messages present at the
> same time is better than having the replaced message deleted and the replacing
> message not stored due to quota limits when pipelining APPEND, STORE, EXPUNGE,
> but is SHOULD the right level of requirement language here? Is MUST just a
> non-starter?
>
>