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Re: Next steps for the ARIA syntax discussion

From: Cameron McCormack <cam@mcc.id.au>
Date: Sun, 1 Jun 2008 11:28:19 +1000
To: Charles McCathieNevile <chaals@opera.com>
Cc: elharo@metalab.unc.edu, Al Gilman <Alfred.S.Gilman@ieee.org>, "Henry S.Thompson" <ht@inf.ed.ac.uk>, "www-tag@w3.org List" <www-tag@w3.org>, "public-html@w3.org WG" <public-html@w3.org>, "public-xhtml2@w3.org WG" <public-xhtml2@w3.org>, "wai-xtech@w3.org WAI-XTECH" <wai-xtech@w3.org>
Message-ID: <20080601012819.GA778@arc.mcc.id.au>

Charles McCathieNevile:
> What it really means is that the appropriate namespace for these  
> attributes is the empty string - xmlns:aria="" if you are going to use  
> aria:aria-[something] in a namespace aware environment, but  
> aria-[something] will work perfectly correctly in both a 
> namespace-reliant environment, and in a namespace-unaware environment, 
> because of a careful and thoughtful design decision in the namespaces 
> specification that allows for the easiest possible transition between the 
> two kinds of environment.

A small note: you cannot use xmlns:aria="" to declare that the aria
prefix corresponds to no namespace.  The only way to have an attribute
be in no namespace in markup is for it to have no prefix.

  http://www.w3.org/TR/REC-xml-names/#dt-prefix

-- 
Cameron McCormack ≝ http://mcc.id.au/
Received on Sunday, 1 June 2008 01:29:38 GMT

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