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Re: Partyin' like it's 1999

• To: jcowan@r...
• Subject: Re: Partyin' like it's 1999
• From: David Carlisle <davidc@n...>
• Date: Fri, 29 Oct 2004 12:10:50 +0100
• Cc: xml-dev@l...
• In-reply-to: <20041028204737.GI24411@s...> (message fromJohn Cowan on Thu, 28 Oct 2004 16:47:37 -0400)
• References: <15725CF6AFE2F34DB8A5B4770B7334EE072068A6@h...> <200410281420.PAA26351@p...> <20041028204737.GI24411@s...>

> Where is this PI documented? 

Somewhere on msdn I suppose:-)

>  I might get TagSoup to interpret it.

Not sure that you can: the PI associates a prefix to an activex object
(which is all IE needs) so although you could interpret it you couldn't
really change it to a namespace decln unless you have the URI to hand by
some other means. In practice I think most docs declare the prefix both
with xmlns:x and with the PI. The format is something like:

<object id="mmlFactory" 
        classid="clsid:32F66A20-7614-11D4-BD11-00104BD3F987">
</object>
<?import namespace="mml" implementation="#mmlFactory"?>

where the trailing ? isn't used in html versions of course.

the PI associates the prefix mml: with the object specified by the id
mmlFactory and the <object assocates this with the class id of the
behaviour.

the stylesheets available at
www.w3.org/Math/XSL
hide all this weirdness allowing you to serve straight xhtml+mathml
documents, and they just add such objects for whatever implementations
they find by escaping to javascript to query the existence of the
active x object.

Actually recent versions of mathplayer don't require this stylesheet
they will intercept some xhtml+mathml documents (if served with an xml
mime type) and do the transform internally without the author having to
specify XSLT styling, before passing the resulting document to IE's
rendering.

http://www.dessci.com/en/products/mathplayer/author/creatingpages.htm#InteroperabilityConsiderations

David

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• References:
  • RE: Partyin' like it's 1999
    • From: "Bullard, Claude L (Len)" <len.bullard@i...>
  • Re: Partyin' like it's 1999
    • From: David Carlisle <davidc@n...>

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