[whatwg] lang vs. xml:lang; id vs. xml:id

Anne van Kesteren annevk at opera.com
Fri Dec 1 03:55:14 PST 2006

On Fri, 01 Dec 2006 12:52:20 +0100, Michel Fortin  
<michel.fortin at michelf.com> wrote:
> While the requirement for authors is pretty clear (HTML: lang; XHTML:  
> xml:lang), it seems to me that the user agent is asked to always favour  
> xml:lang even in an HTML context. Is this really what's intended? I  
> think this ought to be clarified.

That's what has been implemented in user agents (makes sense too from a  
DOM pov, imho).

>> The id DOM attribute must reflect the id content attribute.
> Does that mean it should not reflect xml:id even when id is not defined?

Yes. It also doesn't reflect any other attribute that theoretically could  
form the ID of the element.

Anne van Kesteren

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