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Re: Comments and thoughts about WCAG 2.0

From: Johannes Koch <johannes.koch@fit.fraunhofer.de>
Date: Wed, 05 Mar 2008 13:47:04 +0100
Message-ID: <47CE9648.7060409@fit.fraunhofer.de>
To: public-wai-ert@w3.org

Carlos Iglesias schrieb:
> 1 - IMO there's no such change of state in a frameset because the content of each single URI remains intact

No, it doesn't. The web page referenced by 
http://example.org/frames.html consists of the frameset document 
(http://example.org/frames.html), the documents that are loaded into the 
frames and all "embedded" resources. It's not only the frameset 
document. So an assertion about the _web page_ referenced by 
http://example.org/frames.html has to be valid taking into account all 
possible states. When there is an error with some document combinations 
only (e.g. frm4.html in frame "one", frm17.html in frame "two"), how do 
you record this? A consumer of the report may ot be satisfied with 
"there's an error somewhere in the frameset".

> 2 - There may be real changes of state in other uses cases, typically AJAX and such things. This may be a problem for EARL as the Assertions may become invalid without noticing it.

Same applies here: An assertion about the _web page_ has to be valid 
taking into account all possible states.

-- 
Johannes Koch
BIKA Web Compliance Center - Fraunhofer FIT
Schloss Birlinghoven, D-53757 Sankt Augustin, Germany
Phone: +49-2241-142628    Fax: +49-2241-142065
Received on Wednesday, 5 March 2008 12:47:23 GMT

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