Index: django/contrib/admin/views/decorators.py
===================================================================
--- django/contrib/admin/views/decorators.py	(revision 7899)
+++ django/contrib/admin/views/decorators.py	(working copy)
@@ -52,7 +52,7 @@
     member, displaying the login page if necessary.
     """
     def _checklogin(request, *args, **kwargs):
-        if request.user.is_authenticated() and request.user.is_staff:
+        if request.user.is_staff:
             # The user is valid. Continue to the admin page.
             if 'post_data' in request.POST:
                 # User must have re-authenticated through a different window
Index: django/contrib/admin/templates/admin/base.html
===================================================================
--- django/contrib/admin/templates/admin/base.html	(revision 7899)
+++ django/contrib/admin/templates/admin/base.html	(working copy)
@@ -21,7 +21,7 @@
         <div id="branding">
         {% block branding %}{% endblock %}
         </div>
-        {% if user.is_authenticated and user.is_staff %}
+        {% if user.is_staff %}
         <div id="user-tools">{% trans 'Welcome,' %} <strong>{% if user.first_name %}{{ user.first_name|escape }}{% else %}{{ user.username }}{% endif %}</strong>. {% block userlinks %}<a href="{{ root_path }}doc/">{% trans 'Documentation' %}</a> / <a href="{{ root_path }}password_change/">{% trans 'Change password' %}</a> / <a href="{{ root_path }}logout/">{% trans 'Log out' %}</a>{% endblock %}</div>
         {% endif %}
         {% block nav-global %}{% endblock %}
Index: docs/authentication.txt
===================================================================
--- docs/authentication.txt	(revision 7899)
+++ docs/authentication.txt	(working copy)
@@ -712,7 +712,7 @@
 permission ``polls.can_vote``::

     def my_view(request):
-        if not (request.user.is_authenticated() and request.user.has_perm('polls.can_vote')):
+        if not request.user.has_perm('polls.can_vote'):
             return HttpResponse("You can't vote in this poll.")
         # ...