http://www.rfc-editor.org/rfc/rfc7162.txt
RFC 7162: IMAP Extensions: Quick Flag Changes Resynchronization (CONDSTORE) and Quick Mailbox Resynchronization (QRESYNC), A. Melnikov, D. Cridland2014-05-01T23:00:00-00:00Finally, this document also updates the line-length recommendation in Section 3.2.1.5 of RFC 2683.