* message.el (message-tab): Mention what happens on normal tabs

(bug#11297).

2 files changed, 8 insertions, 2 deletions

diff --git a/lisp/gnus/ChangeLog b/lisp/gnus/ChangeLog
index 9e3f2c9e845..231a68035c7 100644
--- a/lisp/gnus/ChangeLog
+++ b/lisp/gnus/ChangeLog
@@ -1,3 +1,8 @@
+2014-02-09  Lars Ingebrigtsen  <larsi@gnus.org>
+
+        * message.el (message-tab): Mention what happens on normal tabs
+        (bug#11297).
+
 2014-02-08  Glenn Morris  <rgm@gnu.org>
 
         * auth-source.el (auth-sources): Doc fix.  (Bug#16642)
diff --git a/lisp/gnus/message.el b/lisp/gnus/message.el
index be19ccea38d..5300de5eabb 100644
--- a/lisp/gnus/message.el
+++ b/lisp/gnus/message.el
@@ -7928,8 +7928,9 @@ If nil, the function bound in `text-mode-map' or `global-map' is executed."
 
 (defun message-tab ()
   "Complete names according to `message-completion-alist'.
-Execute function specified by `message-tab-body-function' when not in
-those headers."
+Execute function specified by `message-tab-body-function' when
+not in those headers.  If that variable is nil, indent with the
+regular text mode tabbing command."
   (interactive)
   (cond
    ((if (and (boundp 'completion-fail-discreetly)