A URI IETF RFC 2396http//www.ietf.org/rfc/rfc2396.txt designating a document that describes the reason for the change. See the cite attribute definition in HTML 4.01....A URI IETF RFC 2396http//www.ietf.org/rfc/rfc2396.txt designating a document that describes the reason for the change. See the cite attribute definition in HTML 4.01.