diff -bBdNrw -U5 GroupUserFolder-3.1.1/GroupUserFolder.py GroupUserFolder-3.1.1-patched-CASUserFolder-1.0/GroupUserFolder.py
--- GroupUserFolder-3.1.1/GroupUserFolder.py	2004-09-06 11:44:47.000000000 +0200
+++ GroupUserFolder-3.1.1-patched-CASUserFolder-1.0/GroupUserFolder.py	2005-02-21 02:29:39.000000000 +0100
@@ -963,12 +963,12 @@
         in AccessControl/User.py.
         We also check for inituser in there.
         """
         # Emergency user checking stuff
         emergency = self._emergency_user
-        if name is None:
-            return None
+#PATCH        if name is None:
+#PATCH            return None
         if emergency and name==emergency.getUserName():
             if emergency.authenticate(password, request):
                 return emergency
             else:
                 return None