[whatwg] DOCTYPE shouldn't be optional (fwd)

[Matthew Raymond]

Jim Ley wrote:
> An XHTML document would therefore not be able to be served as
> text/html, can you just clarify that this is deliberately meant to
> prevent the XHTML as Appendix C carrying on - and XHTML WF documents
> will be served as text/html would be a violation of the spec.

    I think what Ian is saying here is that he is that the new text 
refers to XML that uses the XHTML namespace, rather than XHTML specifically.

> If this is the case, why do we have XHTML version of the spec?

    I don't see the logic in your reasoning. We should drop XHTML 
because Ian doesn't like it being used in the HTML MIME type?