try to use that for the tls stream.
(nnimap-retrieve-group-data-early): Rework the marks code to heed
UIDVALIDITY and find out which groups are read-only and not.
+ (nnimap-get-flags): Use the same marks parsing code as the rest of
+ nnimap.
2010-10-09 Julien Danjou <julien@danjou.info>