(gnus-group-list-active): Ditto.
(gnus-group-describe-all-groups): Ditto.
(gnus-group-prepare-flat-list-dead-predicate): Ditto.
(gnus-group-list-active): Ditto.
(gnus-group-describe-all-groups): Ditto.
(gnus-group-prepare-flat-list-dead-predicate): Ditto.