In message "Re: Meida types and stylesheet linking",
Chris Lilley wrote...
Suppose that a stylesheet-linking PI uses a fragment identifier
(e.g., XPointer) so as to reference to an embedded stylesheet. We
are no longer forced to specify some media type.
But not prevented from doing so either.
This is correct.
The media type is being used as a
label. But it is not being used as a value for the Content-Type mail or
HTTP header, so is not asserting that the entire resource is of this type.
Historically, HTML has (ab)used media types even when no MIME entities are
involved. For example, embedded stylesheets represented by <style> of
HTML always have media types.
Cheers,
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MURATA Makoto muraw3c(_at_)attglobal(_dot_)net