Found 1 record.

Status: Verified (1)

RFC 7162, "IMAP Extensions: Quick Flag Changes Resynchronization (CONDSTORE) and Quick Mailbox Resynchronization (QRESYNC)", May 2014

Errata ID: 5055
Status: Verified
Type: Technical
Publication Format(s) : TEXT
Reported By: Dirkjan Ochtman
Date Reported: 2017-06-28
Verifier Name: Alexey Melnikov
Date Verified: 2020-02-21

Section 3.1.2.1 says:

   C: A142 SELECT INBOX
   S: * 172 EXISTS
   S: * 1 RECENT
   S: * OK [UNSEEN 12] Message 12 is first unseen
   S: * OK [UIDVALIDITY 3857529045] UIDs valid
   S: * OK [UIDNEXT 4392] Predicted next UID
   S: * FLAGS (\Answered \Flagged \Deleted \Seen \Draft)
   S: * OK [PERMANENTFLAGS (\Deleted \Seen \*)] Limited
   S: * OK [HIGHESTMODSEQ 715194045007]
   S: A142 OK [READ-WRITE] SELECT completed

It should say:

   C: A142 SELECT INBOX
   S: * 172 EXISTS
   S: * 1 RECENT
   S: * OK [UNSEEN 12] Message 12 is first unseen
   S: * OK [UIDVALIDITY 3857529045] UIDs valid
   S: * OK [UIDNEXT 4392] Predicted next UID
   S: * FLAGS (\Answered \Flagged \Deleted \Seen \Draft)
   S: * OK [PERMANENTFLAGS (\Deleted \Seen \*)] Limited
   S: * OK [HIGHESTMODSEQ 715194045007] Ok
                                       ^^^
   S: A142 OK [READ-WRITE] SELECT completed

Notes:

RFC 7162 purports to extend RFC 3501 by adding the HIGHESTMODSEQ value as an option for the resp-text-code syntax. However, RFC 3501 only uses resp-text-code in the resp-text ABNF production, in which case it is always followed by a single space ("SP") and the "text" non-terminal, which expands to "1*TEXT-CHAR", as in non-empty text. As such, having a response code without any human-readable text suffix is illegal per the RFC 3501 spec, and the examples should be updated to be correct.

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