+(defun gnus-summary-display-make-predicate (display)
+ (require 'gnus-agent)
+ (when (= (length display) 1)
+ (setq display (car display)))
+ (unless gnus-summary-display-cache
+ (dolist (elem (append (list (cons 'read 'read)
+ (cons 'unseen 'unseen))
+ gnus-article-mark-lists))
+ (push (cons (cdr elem)
+ (gnus-byte-compile
+ `(lambda () (gnus-article-marked-p ',(cdr elem)))))
+ gnus-summary-display-cache)))
+ (let ((gnus-category-predicate-alist gnus-summary-display-cache))
+ (gnus-get-predicate display)))
+
+;; Uses the dynamically bound `number' variable.
+(defvar number)
+(defun gnus-article-marked-p (type &optional article)
+ (let ((article (or article number)))
+ (cond
+ ((eq type 'tick)
+ (memq article gnus-newsgroup-marked))
+ ((eq type 'unsend)
+ (memq article gnus-newsgroup-unsendable))
+ ((eq type 'undownload)
+ (memq article gnus-newsgroup-undownloaded))
+ ((eq type 'download)
+ (memq article gnus-newsgroup-downloadable))
+ ((eq type 'unread)
+ (memq article gnus-newsgroup-unreads))
+ ((eq type 'read)
+ (memq article gnus-newsgroup-reads))
+ ((eq type 'dormant)
+ (memq article gnus-newsgroup-dormant) )
+ ((eq type 'expire)
+ (memq article gnus-newsgroup-expirable))
+ ((eq type 'reply)
+ (memq article gnus-newsgroup-replied))
+ ((eq type 'killed)
+ (memq article gnus-newsgroup-killed))
+ ((eq type 'bookmark)
+ (assq article gnus-newsgroup-bookmarks))
+ ((eq type 'score)
+ (assq article gnus-newsgroup-scored))
+ ((eq type 'save)
+ (memq article gnus-newsgroup-saved))
+ ((eq type 'cache)
+ (memq article gnus-newsgroup-cached))
+ ((eq type 'forward)
+ (memq article gnus-newsgroup-forwarded))
+ ((eq type 'seen)
+ (not (memq article gnus-newsgroup-unseen)))
+ ((eq type 'recent)
+ (memq article gnus-newsgroup-recent))
+ (t t))))
+