- From: Silvia Pfeiffer <silviapfeiffer1@gmail.com>
- Date: Fri, 16 Mar 2012 16:07:17 +1100
- To: Silvia Pfeiffer <silviapfeiffer1@gmail.com>, Charles McCathieNevile <chaals@opera.com>, John Foliot <john@foliot.ca>, Leif Halvard Silli <xn--mlform-iua@xn--mlform-iua.no>, RichardSchwerdtfeger <schwer@us.ibm.com>, W3C WAI-XTECH <wai-xtech@w3.org>, HTMLAccessibility Task Force <public-html-a11y@w3.org>
Hi Janina, I just saw this email. Too many discussions! :-) On Wed, Mar 14, 2012 at 3:17 AM, Janina Sajka <janina@rednote.net> wrote: > Silvia Pfeiffer writes: >> The ePub spec is indeed quite a good start. I'd like to see >> requirements on what the browser is required to do with the attribute, >> e.g. the list stated in https://bugs.webkit.org/show_bug.cgi?id=10448. >> > > A good start, perhaps. But also a troubling development from the ARIA > timeline perspective. > > Notice that the Epub DescribedAt supports multiple URIs. In our brief > discussion of the underlying use cases, as we understand them currently, > we found we are unconvinced that this simply providing multiple URIs, > space delimited, is either sufficient or the best way to address the > requirement. > > On what basis does the user agent choose among the URIs: > > * When the choice is I18N based? > * When the choise is grade level based? > * When the choice is some other heuristic? > > > Let me note that PF and DAISY/IDPF have agreed to discuss architecting > the Epub requirements even before this topic came up in email here. > Regretably, because of various travel schedules, we are unable to hold > that call until early April. > > Let me note further that this "multiple target list" requirement could > conceivably postpone ARIA-DescribedAt to ARIA 2.0 by reason of this > added complexity. We've just begun considering the implications > here--and they're significantly more involved than a basic HTML longdesc > replacement feature applicable to various elements. I agree. I don't think it makes sense to have more than one link in the attribute. Regards, Silvia.
Received on Friday, 16 March 2012 05:08:10 UTC