      """
      Resource representing a WebDAV principal.  (RFC 3744, section 2)
      """
-@@ -1577,7 +1932,7 @@
+@@ -1577,7 +1937,7 @@
      # WebDAV
      ##
  

     # HTTP
     ##
 
@@ -1567,7 +1922,7 @@
     def findChildren(self, depth, request, callback, privileges=None, inherited_aces=None):
         return succeed(None)
 

 
                 if name == "resourcetype":
                     if self.isCollection():
@@ -1677,8 +2034,27 @@
         if self.principalURL() == uri:
             return True
         else:
