(error "%s is not an nnimap group" group))
(unless (setq acl (nnimap-acl-get mailbox (cadr method)))
(error "Server does not support ACL's"))
(error "%s is not an nnimap group" group))
(unless (setq acl (nnimap-acl-get mailbox (cadr method)))
(error "Server does not support ACL's"))