(RFC 5261 published September 2008, subtype last updated September 2008)

MIME media type name:  application

MIME subtype name:  patch-ops-error+xml

Mandatory parameters:  none

Optional parameters:  Same as charset parameter application/xml as
   specified in RFC 3023 [RFC3023].

Encoding considerations:  Same as encoding considerations of
   application/xml as specified in RFC 3023 [RFC3023].

Security considerations:  See Section 10 of RFC 3023 [RFC3023].

Interoperability considerations:  none.

Published specification:  RFC 5261

Applications which use this media type:  This document type has been
   used to support transport of Patch-Ops errors in RFC 5261.

Additional Information:

   Magic Number:  None

   File Extension:  .xer

   Macintosh file type code:  "TEXT"

   Personal and email address for further information:  Jari
      Urpalainen, jari.urpalainen&nokia.com

   Intended usage:  COMMON

   Author/Change controller:  The IETF