(message-change-subject): Really check whether the subject changed

2 files changed, 6 insertions, 1 deletions

diff --git a/lisp/gnus/ChangeLog b/lisp/gnus/ChangeLog
index 09094184f12..2f0641f139c 100644
--- a/lisp/gnus/ChangeLog
+++ b/lisp/gnus/ChangeLog
@@ -1,3 +1,8 @@
+2014-12-07  Lars Magne Ingebrigtsen  <larsi@gnus.org>
+
+        * message.el (message-change-subject): Really check whether the subject
+        changed.
+
 2014-12-05  Lars Magne Ingebrigtsen  <larsi@gnus.org>
 
         * mailcap.el (mailcap-mime-data): Add doc-view-mode as a viewer for
diff --git a/lisp/gnus/message.el b/lisp/gnus/message.el
index c1322154f19..d58a2922217 100644
--- a/lisp/gnus/message.el
+++ b/lisp/gnus/message.el
@@ -2306,7 +2306,7 @@ Leading \"Re: \" is not stripped by this function.  Use the function
                    ((not (string-match
                           (concat "^[ \t]*"
                                   (regexp-quote new-subject)
-                                  " \t]*$")
+                                  "[ \t]*$")
                           old-subject))  ; yes, it really is a new subject
                     ;; delete eventual Re: prefix
                     (setq old-subject