-It is enabled by default (see `password-cache'), with a short timeout
-of 16 seconds (see `password-cache-expiry'). If PGG is used as the
-PGP backend, the PGP passphrase is managed by this mechanism.
-Passwords for ManageSieve connections are managed by this mechanism,
-after quering the user about whether to do so.
-
-** IMAP identity (RFC 2971) is supported.
-
-By default, Gnus do not send any information about itself, but you can
-customize it using the variable `nnimap-id'.
-
-** The `all.SCORE' file can be edited from the group buffer using `W e'.
-
-** Gnus now MIME decode articles even when they lack "MIME-Version"
-header. This changes the default of `gnus-article-loose-mime'.
-
-\f
+** Gnus keeps track of non-existent articles for nnimap groups, so
+ that sparse IMAP folders now list a correct number of messages in
+ them.
+