Function: gnus-number-of-unseen-articles-in-group
gnus-number-of-unseen-articles-in-group is a byte-compiled function
defined in gnus-group.el.gz.
Signature
(gnus-number-of-unseen-articles-in-group GROUP)
Source Code
;; Defined in /usr/src/emacs/lisp/gnus/gnus-group.el.gz
(defun gnus-number-of-unseen-articles-in-group (group)
(let* ((info (nth 1 (gnus-group-entry group)))
(marked (gnus-info-marks info))
(seen (cdr (assq 'seen marked)))
(active (gnus-active group)))
(if (not active)
0
(length (gnus-uncompress-range
(gnus-range-difference
(gnus-range-difference (list active) (gnus-info-read info))
seen))))))