Addition.

[elisp/gnus.git-] / lisp / gnus-bcklg.el

diff --git a/lisp/gnus-bcklg.el b/lisp/gnus-bcklg.el
index f95fcee..d370673 100644 (file)
--- a/lisp/gnus-bcklg.el
+++ b/lisp/gnus-bcklg.el
@@ -1,6 +1,5 @@
 ;;; gnus-bcklg.el --- backlog functions for Gnus
-;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001 
-;;        Free Software Foundation, Inc.
+;; Copyright (C) 1996,97,98 Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;; Keywords: news
@@ -43,7 +42,7 @@
   (or (get-buffer gnus-backlog-buffer)
       (save-excursion
        (set-buffer (gnus-get-buffer-create gnus-backlog-buffer))
-       (buffer-disable-undo)
+       (buffer-disable-undo (current-buffer))
        (setq buffer-read-only t)
        (get-buffer gnus-backlog-buffer))))
 
@@ -56,39 +55,34 @@
 
 (defun gnus-backlog-shutdown ()
   "Clear all backlog variables and buffers."
-  (interactive)
   (when (get-buffer gnus-backlog-buffer)
     (kill-buffer gnus-backlog-buffer))
   (setq gnus-backlog-hashtb nil
        gnus-backlog-articles nil))
 
 (defun gnus-backlog-enter-article (group number buffer)
-  (when (and (numberp number)
-            (not (string-match "^nnvirtual" group)))
-    (gnus-backlog-setup)
-    (let ((ident (intern (concat group ":" (int-to-string number))
-                        gnus-backlog-hashtb))
-         b)
-      (if (memq ident gnus-backlog-articles)
-         ()                            ; It's already kept.
+  (gnus-backlog-setup)
+  (let ((ident (intern (concat group ":" (int-to-string number))
+                      gnus-backlog-hashtb))
+       b)
+    (if (memq ident gnus-backlog-articles)
+       ()                              ; It's already kept.
       ;; Remove the oldest article, if necessary.
-       (and (numberp gnus-keep-backlog)
-            (>= (length gnus-backlog-articles) gnus-keep-backlog)
+      (and (numberp gnus-keep-backlog)
+          (>= (length gnus-backlog-articles) gnus-keep-backlog)
           (gnus-backlog-remove-oldest-article))
-       (push ident gnus-backlog-articles)
-       ;; Insert the new article.
-       (save-excursion
-         (set-buffer (gnus-backlog-buffer))
-         (let (buffer-read-only)
-           (goto-char (point-max))
-           (unless (bolp)
-             (insert "\n"))
-           (setq b (point))
-           (insert-buffer-substring buffer)
-           ;; Tag the beginning of the article with the ident.
-           (if (> (point-max) b)
-             (gnus-put-text-property b (1+ b) 'gnus-backlog ident)
-             (gnus-error 3 "Article %d is blank" number))))))))
+      (push ident gnus-backlog-articles)
+      ;; Insert the new article.
+      (save-excursion
+       (set-buffer (gnus-backlog-buffer))
+       (let (buffer-read-only)
+         (goto-char (point-max))
+         (unless (bolp)
+           (insert "\n"))
+         (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))))))
 
 (defun gnus-backlog-remove-oldest-article ()
   (save-excursion
@@ -130,9 +124,8 @@
              t))
          (setq gnus-backlog-articles (delq ident gnus-backlog-articles)))))))
 
-(defun gnus-backlog-request-article (group number &optional buffer)
-  (when (and (numberp number)
-            (not (string-match "^nnvirtual" group)))
+(defun gnus-backlog-request-article (group number buffer)
+  (when (numberp number)
     (gnus-backlog-setup)
     (let ((ident (intern (concat group ":" (int-to-string number))
                         gnus-backlog-hashtb))
@@ -151,12 +144,10 @@
            (setq end
                  (next-single-property-change
                   (1+ beg) 'gnus-backlog (current-buffer) (point-max)))))
-       (save-excursion
-         (and buffer (set-buffer buffer))
-         (let ((buffer-read-only nil))
-           (erase-buffer)
-           (insert-buffer-substring gnus-backlog-buffer beg end)))
-       t))))
+       (let ((buffer-read-only nil))
+         (erase-buffer)
+         (insert-buffer-substring gnus-backlog-buffer beg end)
+         t)))))
 
 (provide 'gnus-bcklg)