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David Carlisle wrote:
>>When namespaces first came to be, the examples were
>>for things like dropping SVG into the middle of an
>>HTML page, including MathML into X3D, etc. Do many
>>browsers really enable namespace integration like
>>that? Well, sure, that's what IE does by combining
>>a CSS declaration for the behavior with the namespace.
>>.Net enables their ASP web browser controls, VML etc.
>>like that, in the instance.
> It's also how mozilla (and netscape and firefox etc) work, in that case
> without needing any proprietary declarations (and having native xhtml
> rendering) MathML works out of the box and svg enabled builds of mozilla
> are available.
Right, IE doesn't really do namespaces, it vaguely emulates them with a
hack. The whole Mozilla family on the other hand implements them as per
spec, as do (or soon will) browsers of the KHTML family.
Note that the CDF WG was recently formed to work on compound documents.
It has an aggressive timeline with a first document in the first half of
next year and another one defining fuller integration later in 2005 (I
expect that WG to hold to its deadlines). There are further
implementations of mixed namespaces coming up real soon.
> there's a dtd for xhtml+svg+mathml here:
> that currently doesnt have an xsd but says
> The possibility of combining those modules written in XML Schema
> [XMLSchema] might be explored when XML Schemas for XHTML
> [XHTMLMODSchema] and others become available and mature
At least the SVG part of that is outdated (though it's an interesting
exercise). Version 1.2 that just entered LC has a RNG instead (with a
few bugs that'll be fixed soon) and makes modular integration much easier.