- From: Yves Lafon <ylafon@w3.org>
- Date: Mon, 31 Jan 2011 10:00:23 -0500 (EST)
- To: Larry Masinter <masinter@adobe.com>
- cc: Noah Mendelsohn <nrm@arcanedomain.com>, "www-tag@w3.org" <www-tag@w3.org>
On Fri, 28 Jan 2011, Larry Masinter wrote: >> There is a need to document the reality of media type deployment. If a >> media type is registered at the end of design time, so after basic interop >> testing, but way before wide deployment, you can expect that there will be >> unseen issues, so a repository of issues or even errata that might be >> folded later in the main repository. (In sync with the first line of >> paragraph 5, bringing the MIME registry and real life closer). > > What's hard is when there are multiple perceptions of "reality". Well, if the reality is that there are many realities, it ought to be documented. > And some of the issues for MIME types are general issues > for 'registries', and even for standards which the registered > values point to. > > In general, there is the question of evolution and versioning; > if a registration is going to be useful, it must point to a > document which describes what is being registered. But of course, > registrations are valuable only if the document that everyone > reads is the same document. And yet, documents and the technologies > they describe evolve over time. > > I think this is an issue for any registry, and any MIME type, > whether image/jpeg, application/xml, application/pdf or text/html. > Technologies evolve, some more rapidly than others; yet there are > versions of technologies that people agree to call out as stable. > > A MIME type does not itself imply a particular version, but indicates > any one of a stream of versions. So the registry, should provide a way to point to the different format versions attached to a media type, the stable one(s), and even the not-so-stable-but-deployed one, clearly stated as 'informative references' -- Baroula que barouleras, au tiéu toujou t'entourneras. ~~Yves
Received on Monday, 31 January 2011 15:00:30 UTC