Index: django/contrib/admin/views/decorators.py
===================================================================
--- django/contrib/admin/views/decorators.py	(revision 7901)
+++ 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 7901)
+++ 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: django/contrib/admin/sites.py
===================================================================
--- django/contrib/admin/sites.py	(revision 7901)
+++ django/contrib/admin/sites.py	(working copy)
@@ -92,7 +92,7 @@
         Returns True if the given HttpRequest has permission to view
         *at least one* page in the admin site.
         """
-        return request.user.is_authenticated() and request.user.is_staff
+        return request.user.is_staff
 
     def root(self, request, url):
         """ 
Index: django/middleware/doc.py
===================================================================
--- django/middleware/doc.py	(revision 7901)
+++ django/middleware/doc.py	(working copy)
@@ -12,7 +12,7 @@
         indicating the view function.  This is used by the documentation module
         to lookup the view function for an arbitrary page.
         """
-        if request.method == 'HEAD' and (request.META.get('REMOTE_ADDR') in settings.INTERNAL_IPS or (request.user.is_authenticated() and request.user.is_staff)):
+        if request.method == 'HEAD' and (request.META.get('REMOTE_ADDR') in settings.INTERNAL_IPS or request.user.is_staff):
             response = http.HttpResponse()
             response['X-View'] = "%s.%s" % (view_func.__module__, view_func.__name__)
             return response
Index: docs/authentication.txt
===================================================================
--- docs/authentication.txt	(revision 7901)
+++ 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.")
         # ...