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Re: xmlns in HTML5 (was: Telecon Agenda- Thursday 1500 UTC)

From: Steven Pemberton <Steven.Pemberton@cwi.nl>
Date: Thu, 16 Jul 2009 16:00:33 +0200
To: "Toby Inkster" <tai@g5n.co.uk>, "Manu Sporny" <msporny@digitalbazaar.com>
Cc: RDFa <public-rdf-in-xhtml-tf@w3.org>, "Ian Hickson" <ian@hixie.ch>
Message-ID: <op.uw5yimswsmjzpq@steven-750g>
On Thu, 16 Jul 2009 10:50:52 +0200, Toby Inkster <tai@g5n.co.uk> wrote:

> For the same reason, xmlns:foo attributes aren't allowed in HTML4
> either.

Actually, to allow for future changes, the spec says:

"If a user agent encounters an attribute it does not recognize, it should  
ignore the entire attribute specification (i.e., the attribute and its  

In other words, it should act as if it weren't there. So it is allowed,  
but no meaning is defined.
XHTML 1.* say something similar.

Received on Thursday, 16 July 2009 14:01:50 UTC

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