Could you enlighten us as to why you would want to specify multiple names for the same object? It would help us understand if this is applicable to HTTP as well. Thanks, Jim Gettys -- Jim Gettys Industry Standards and Consortia Digital Equipment Corporation Visting Scientist, World Wide Web Consortium, M.I.T. http://www.w3.org/People/Gettys/ jg@w3.org, jg@pa.dec.com