https://app.knowbase.one/vault/rfc/docid/3487
RFC3120: A URN Namespace for XML.org
Network Working Group K. Best Request for Comments: 3120 OASIS, Inc. Category: Informational N. Walsh Sun Microsystems, Inc. ...
https://app.knowbase.one/vault/rfc/docid/4038
RFC3688: The IETF XML Registry
Network Working Group M. Mealling Request for Comments: 3688 VeriSign, Inc. BCP: 81 January 2004 Category: Best Current Practice The IETF XML Reg...