1 files changed, 5 insertions, 1 deletions

diff --git a/lisp/gnus/gnus-group.el b/lisp/gnus/gnus-group.el
index f42f7989533..3de26094572 100644
--- a/lisp/gnus/gnus-group.el
+++ b/lisp/gnus/gnus-group.el
@@ -2448,7 +2448,11 @@ the bug number, and browsing the URL must return mbox output."
       (with-temp-file tmpfile
         (mm-disable-multibyte)
         (dolist (id ids)
-          (url-insert-file-contents (format mbox-url id)))
+          (let ((file (format "~/.emacs.d/debbugs-cache/%s" id)))
+            (if (and (not gnus-plugged)
+                     (file-exists-p file))
+                (insert-file-contents file)
+              (url-insert-file-contents (format mbox-url id)))))
         (goto-char (point-min))
         ;; Add the debbugs address so that we can respond to reports easily.
         (while (re-search-forward "^To: " nil t)