          return succeed(None)
  
  class DAVPrincipalResource (DAVLeafResource):
-@@ -1712,6 +2078,37 @@
+@@ -1712,6 +2077,37 @@
  davxml.registerElement(TwistedACLInheritable)
  davxml.ACE.allowed_children[(twisted_dav_namespace, "inheritable")] = (0, 1)
  

 
         getChild()
 
@@ -564,7 +621,7 @@
         See L{IDAVResource.authorize}.
         """
         def onError(failure):

             raise HTTPError(UnauthorizedResponse(
                 request.credentialFactories,
                 request.remoteAddr
@@ -574,9 +630,9 @@
             def onErrors(failure):
                 failure.trap(AccessDeniedError)
                 
