I don't think "media type" is synonymous with "data format". For example, IANA considers atomcat+xml and atomsvc+xml to be distinct media types [1], despite the

I don't think "media type" is synonymous with "data format". For example, IANA considers atomcat+xml and atomsvc+xml to be distinct media types [1], despite them both being XML, and there are 406 other XML-based media types in that list. [1] http://www.iana.org/assignments/media-types/application/index.html http://www.iana.org/assignments/media-types/application/inde...