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Re: Point of Extensibility

From: Julian Reschke <julian.reschke@gmx.de>
Date: Tue, 01 Apr 2008 21:33:33 +0200
Message-ID: <47F28E0D.2000505@gmx.de>
To: Philip Taylor <pjt47@cam.ac.uk>
CC: Doug Schepers <schepers@w3.org>, public-html@w3.org

Philip Taylor wrote:
> Julian Reschke wrote:
>> How about stating that any element with an attribute "xmlns", being 
>> set to something different from "" or the XHTML namespace name, 
>> implies <ext>?
> Lots of existing content uses attributes named "xmlns" -- see e.g. 
> <http://philip.html5.org/data/xmlns.txt>. (Only 45 pages in the data set 
> had XML content-types, so this is pretty much all text/html). It seems 
> that compatibility requirements will make it impossible to base anything 
> on the "xmlns" attribute.

Well, a similar argument can probably applied to *any* change in the 
language, such as adding new elements.

BR, Julian
Received on Tuesday, 1 April 2008 19:34:23 UTC

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