gnus-msg.el: Fix bug with `C-u a' on topics (bug#10843)

diff --git a/lisp/gnus/ChangeLog b/lisp/gnus/ChangeLog
index 387693f9ae0ddf20446bfe7382a4e71170fe97e5..eee886ec1c21786155a357e7d4824966be2a6f1d 100644 (file)
--- a/lisp/gnus/ChangeLog
+++ b/lisp/gnus/ChangeLog
@@ -1,5 +1,8 @@
 2012-02-20  Lars Ingebrigtsen  <larsi@gnus.org>
 
+       * gnus-msg.el (gnus-group-post-news): Don't bug out on `C-u a' on
+       topics (bug#10843).
+
        * nnimap.el (nnimap-log-command): Add the IMAP address to the log
        buffer.  Suggested by Herbert Valerio Riedel.
        (nnimap-request-move-article): Delete the message from the correct IMAP

diff --git a/lisp/gnus/gnus-msg.el b/lisp/gnus/gnus-msg.el
index f92dc5e91d01a3cf2b9502f1d2e9f21ebfb73d84..bf75f94c195a10000e087a1ffb3eefc22d1b3f6a 100644 (file)
--- a/lisp/gnus/gnus-msg.el
+++ b/lisp/gnus/gnus-msg.el
@@ -640,7 +640,7 @@ a news."
             (if (= 1 (prefix-numeric-value arg))
                 (gnus-group-completing-read "Newsgroup" nil
                                             (gnus-read-active-file-p))
-              (gnus-group-group-name))
+              (or (gnus-group-group-name) ""))
           ""))
        ;; make sure last viewed article doesn't affect posting styles:
        (gnus-article-copy))