- (let ((article (gnus-summary-article-number)))
- (if (<= article 0)
- (progn
- (gnus-error 1 "Can't mark negative article numbers")
- nil)
- (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
- (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
- (setq gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable))
- (setq gnus-newsgroup-reads (delq article gnus-newsgroup-reads))
- (cond ((= mark gnus-ticked-mark)
- (push article gnus-newsgroup-marked))
- ((= mark gnus-dormant-mark)
- (push article gnus-newsgroup-dormant))
- (t
- (push article gnus-newsgroup-unreads)))
- (setq gnus-newsgroup-reads
- (delq (assq article gnus-newsgroup-reads)
- gnus-newsgroup-reads))
-
- ;; See whether the article is to be put in the cache.
- (and gnus-use-cache
- (vectorp (gnus-summary-article-header article))
- (save-excursion
- (gnus-cache-possibly-enter-article
- gnus-newsgroup-name article
- (gnus-summary-article-header article)
- (= mark gnus-ticked-mark)
- (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
-
- ;; Fix the mark.
- (gnus-summary-update-mark mark 'unread)
- t)))
+ (let* ((article (gnus-summary-article-number))
+ (old-mark (gnus-summary-article-mark article)))
+ (if (eq mark old-mark)
+ t
+ (if (<= article 0)
+ (progn
+ (gnus-error 1 "Can't mark negative article numbers")
+ nil)
+ (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
+ (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
+ (setq gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable))
+ (setq gnus-newsgroup-reads (delq article gnus-newsgroup-reads))
+ (cond ((= mark gnus-ticked-mark)
+ (push article gnus-newsgroup-marked))
+ ((= mark gnus-dormant-mark)
+ (push article gnus-newsgroup-dormant))
+ (t
+ (push article gnus-newsgroup-unreads)))
+ (setq gnus-newsgroup-reads
+ (delq (assq article gnus-newsgroup-reads)
+ gnus-newsgroup-reads))
+
+ ;; See whether the article is to be put in the cache.
+ (and gnus-use-cache
+ (vectorp (gnus-summary-article-header article))
+ (save-excursion
+ (gnus-cache-possibly-enter-article
+ gnus-newsgroup-name article
+ (gnus-summary-article-header article)
+ (= mark gnus-ticked-mark)
+ (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
+
+ ;; Fix the mark.
+ (gnus-summary-update-mark mark 'unread)
+ t))))