(defun gnus-topic-hierarchical-parameters (topic)
"Return a topic list computed for TOPIC."
(let ((params-list (nreverse (mapcar 'gnus-topic-parameters
- (gnus-current-topic topic))))
+ (gnus-current-topics topic))))
param out params)
;; We probably have lots of nil elements here, so
;; we remove them. Probably faster than doing this "properly".