RE: SC for user agent dependence

I think you could modify the proposed note to clarify the issue. The language in the definition of "conforming alternate version" could be adapted, if necessary.

From: Repsher, Stephen J [mailto:stephen.j.repsher@boeing.com]
Sent: Wednesday, July 26, 2017 3:23 PM
To: White, Jason J <jjwhite@ets.org>; w3c-wai-gl@w3.org
Subject: RE: SC for user agent dependence

Hi Jason,

I'm not referring to conforming alternates at all.  Just as with the note added, I'm referring to things like media queries which can change a page significantly based on screen size.  The note says that both the mobile version and the desktop version must conform, but only a success criteria can specify that I should be able to access the same content and functionality through each version.

Steve

From: White, Jason J [mailto:jjwhite@ets.org]
Sent: Wednesday, July 26, 2017 3:15 PM
To: Repsher, Stephen J <stephen.j.repsher@boeing.com<mailto:stephen.j.repsher@boeing.com>>; w3c-wai-gl@w3.org<mailto:w3c-wai-gl@w3.org>
Subject: RE: SC for user agent dependence



From: Repsher, Stephen J [mailto:stephen.j.repsher@boeing.com]
Sent: Wednesday, July 26, 2017 2:19 PM
To: w3c-wai-gl@w3.org<mailto:w3c-wai-gl@w3.org>
I thought a little more about the recent CFC which passed to add a note to the "Full Page" conformance requirement.  I realized that we probably do need a success criterion in addition to this note in order to fully address user needs.

The issue fixed by the added note makes it clear that all versions of the page that have a programmatic dependence need to conform in order for the "full page" to conform.  However, what if those different versions have significantly different content or functionality?
[Jason] In that case, one version would not be a "conforming alternate version" of the other, since the definition of "conforming alternate version" (see the glossary) requires content and functional equivalence. This answer assumes, of course, that the two renderings of the page constitute two different versions of it for purposes of WCAG. If we need to clarify this further, and I'm not sure whether we do, I think it belongs in the Conformance section rather than in the success criteria.


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