Re: Format for type attribute value

On 11/19/07, Henri Sivonen <> wrote:
> Also, the requirement for the MIME type to be "valid" is problematic,
> because the registration mechanism is dysfunctional. Requiring
> conformance checkers to know about the IANA registry for e.g. language
> tags is feasible (and implemented :-). However, it would be unhelpful
> to flag unregistered MIME types as HTML5 conformance errors, since
> unregistered types are commonly used interoperably on the Web.

"valid" doesn't mean "registered" AFAICT. As used in 2046 - presumably
it means the same in HTML 5 - it just means that the type fits the

It is redundant though, so I'd be happy for the word to be removed.

Mark Baker.  Ottawa, Ontario, CANADA.
Coactus; Web-inspired integration strategies

Received on Monday, 19 November 2007 17:38:57 UTC