Small problem with UID command on IMAP server

Hi,

I hope I'm posting to the right place, please correct me if I'm wrong...

I'm using Hamster as a local IMAP server and have noticed a small
incompatibility with RFC 3501 on a feature used by some IMAP clients. In
section 6.4.8 on page 60 it states:

           "Also note that a UID range of 559:* always includes the
           UID of the last message in the mailbox, even if 559 is
           higher than any assigned UID value.  This is because the
           contents of a range are independent of the order of the
           range endpoints.  Thus, any UID range with * as one of
           the endpoints indicates at least one message (the
           message with the highest numbered UID), unless the
           mailbox is empty."

However, when such a UID FETCH is issued to Hamsters IMAP server it
doesn't return anything. Here is an example on a mailbox whose highest
UID is 7:

2003/12/17 21:03:05 D   {fbef7af5} > s7 uid fetch 7:* (RFC822.SIZE)
2003/12/17 21:03:05 D   {fbef7af5} IMAP: UID-FETCH
2003/12/17 21:03:05 d   {fbef7af5} < * 5 FETCH (RFC822.SIZE 1976 UID 7)
2003/12/17 21:03:05 I   {fbef7af5} < s7 OK UID FETCH is now completed
2003/12/17 21:03:57 D   {fbef7af5} > s8 uid fetch 8:* (rfc822.size)
2003/12/17 21:03:57 D   {fbef7af5} IMAP: UID-FETCH
2003/12/17 21:03:57 I   {fbef7af5} < s8 OK UID FETCH is now completed

As you can see, uid fetch 8:* doesn't return anything although according
to the rfc it should return at least one result. 

This is very usefull for determining the highest uid in a mailbox and as
such is used by some IMAP clients. Would it be possible to fix this?

Thanks,
Ivan

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