Fixed #11470 - add documentation for ModelAdmin.message_user. thanks adamv.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@14868 bcc190cf-cafb-0310-a4f2-bffc1f526a37

docs/ref/contrib/admin/actions.txt

@@ -175,6 +175,8 @@ Defining actions as methods gives the action more straightforward, idiomatic
 access to the :class:`ModelAdmin` itself, allowing the action to call any of the
 methods provided by the admin.
 
+.. _custom-admin-action:
+
 For example, we can use ``self`` to flash a message to the user informing her
 that the action was successful::
 

docs/ref/contrib/admin/index.txt

@@ -933,6 +933,12 @@ templates used by the :class:`ModelAdmin` views:
                     return qs
                 return qs.filter(author=request.user)
 
+.. method:: ModelAdmin.message_user(request, message)
+
+    Sends a message to the user. The default implementation creates a message
+    using the :mod:`django.contrib.messages` backend. See the
+    :ref:`custom ModelAdmin example <custom-admin-action>`.
+
 Other methods
 ~~~~~~~~~~~~~