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RE: MathML-in-HTML5

From: Ian Hickson <ian@hixie.ch>
Date: Wed, 4 Oct 2006 00:38:44 +0000 (UTC)
To: Paul Topping <pault@dessci.com>
Cc: David Carlisle <davidc@nag.co.uk>, www-math@w3.org, dev-tech-mathml@lists.mozilla.org
Message-ID: <Pine.LNX.4.62.0610040036350.25753@dhalsim.dreamhost.com>

On Tue, 3 Oct 2006, Paul Topping wrote:
> The type of the XML island must be declared somehow or it would 
> certainly be making more tag soup. As has been stated by other posters, 
> you either have to duplicate MathML (or some subset of it) in HTML5 or 
> you have to connect it to the MathML definition. The way one references 
> an XML definition is by declaring its namespace. One could define that 
> namespace implicitly in HTML5 by stating in the HTML5 spec that <math> 
> means MathML 2.0 or whatever. Of course, this locks MathML to one 
> specific version -- not a good thing.

The proposal that I understand Roger intends to experiment with is making 
any tag in a particular list of tags be added to the DOM as a node not in 
the XHTML namespace but in the MathML namespace.

The MathML namespace doesn't change between versions, since MathML is 
backwards compatible across versions. Thus there is no "lock-in" problem, 
just like there is no problem of HTML content being "locked" to a 
particular version of HTML.

Ian Hickson               U+1047E                )\._.,--....,'``.    fL
http://ln.hixie.ch/       U+263A                /,   _.. \   _\  ;`._ ,.
Things that are impossible just take longer.   `._.-(,_..'--(,_..'`-.;.'
Received on Wednesday, 4 October 2006 00:39:06 UTC

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