(deffoo nnimap-request-rename-group (group new-name &optional server)
(when (nnimap-possibly-change-group nil server)
(with-current-buffer (nnimap-buffer)
(deffoo nnimap-request-rename-group (group new-name &optional server)
(when (nnimap-possibly-change-group nil server)
(with-current-buffer (nnimap-buffer)