Did I miss it? If not, please ensure that the next published specification includes such an appendix and that a textual copy of it is sent to the [hidden email] list inviting comments on the proposed registration.
For details of the registration procedure in the IETF standards tree for W3C-produced media types, please see:
http://www.w3.org/2002/06/registering-mediatype In the section entitled
New Procedure: Registration template in spec, no RFC