Content-Document-Type: was (Re: MIME types vs. DOCTYPE)

John Cowan cowan at
Tue Mar 2 15:22:49 GMT 1999

Jonathan Borden wrote:

>         Please explain what:
> Content-type: text/xhtml
>         can possibly do for you that:
> Content-type: text/xml; doctype=""
>         cannot do. (Note: the use of doctype = dtd is an example, the doctype can
> point to any URI. Just like the XML namespace URI, the doctype URI serves as
> a unique identifier and implies no particular meaning.

I agree, except that I would prefer to see an FPI rather than (or
in addition to) a URI.  That would be extensible to HTML as well as
XHTML, and therefore to the text/html media type as well as the
text/xml media type.

John Cowan		cowan at
	You tollerday donsk?  N.  You tolkatiff scowegian?  Nn.
	You spigotty anglease?  Nnn.  You phonio saxo?  Nnnn.
		Clear all so!  'Tis a Jute.... (Finnegans Wake 16.5)

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