Function: gnus-topic-previous-topic

gnus-topic-previous-topic is a byte-compiled function defined in gnus-topic.el.gz.

Signature

(gnus-topic-previous-topic TOPIC)

Documentation

Return the previous topic on the same level as TOPIC.

Source Code

;; Defined in /usr/src/emacs/lisp/gnus/gnus-topic.el.gz
(defun gnus-topic-previous-topic (topic)
  "Return the previous topic on the same level as TOPIC."
  (let ((top (cddr (gnus-topic-find-topology
		    (gnus-topic-parent-topic topic)))))
    (unless (equal topic (caaar top))
      (while (and top (not (equal (caaadr top) topic)))
	(setq top (cdr top)))
      (caaar top))))