;;; gnus-bcklg.el --- backlog functions for Gnus
-;; Copyright (C) 1996,97,98,99 Free Software Foundation, Inc.
+;; Copyright (C) 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; Keywords: news
(setq b (point))
(insert-buffer-substring buffer)
;; Tag the beginning of the article with the ident.
- (gnus-put-text-property b (1+ b) 'gnus-backlog ident))))))
+ (if (> (point-max) b)
+ (gnus-put-text-property b (1+ b) 'gnus-backlog ident)
+ (gnus-error 3 "Article %d is blank" number)))))))
(defun gnus-backlog-remove-oldest-article ()
(save-excursion
t))
(setq gnus-backlog-articles (delq ident gnus-backlog-articles)))))))
-(defun gnus-backlog-request-article (group number buffer)
+(defun gnus-backlog-request-article (group number &optional buffer)
(when (numberp number)
(gnus-backlog-setup)
(let ((ident (intern (concat group ":" (int-to-string number))
(setq end
(next-single-property-change
(1+ beg) 'gnus-backlog (current-buffer) (point-max)))))
- (let ((buffer-read-only nil))
- (erase-buffer)
- (insert-buffer-substring gnus-backlog-buffer beg end)
- t)))))
+ (save-excursion
+ (and buffer (set-buffer buffer))
+ (let ((buffer-read-only nil))
+ (erase-buffer)
+ (insert-buffer-substring gnus-backlog-buffer beg end)))
+ t))))
(provide 'gnus-bcklg)