- From: Steve Faulkner <faulkner.steve@gmail.com>
- Date: Fri, 14 Dec 2012 07:36:00 +0000
- To: David MacDonald <david100@sympatico.ca>
- Cc: HTML WG <public-html@w3.org>
- Message-ID: <CA+ri+Vkv6OcnetQPS7UN2R-fo_GFEEJEboc2YiqNRULe3u+Erw@mail.gmail.com>
Hi Dave, noted, you can blame Chaals for the mispelling :-) On 14 December 2012 02:25, David MacDonald <david100@sympatico.ca> wrote: > Just one thing Steve... I’m MacDonald not McDonald... us Canadians with > Scottish heritage are sensitive about that stuff :)**** > > ** ** > > Cheers**** > > David MacDonald**** > > * * > > *Can**Adapt* *Solutions Inc.*** > > * Adapting the web to all users* > > * Including those with disabilities* > > www.Can-Adapt.com <http://www.can-adapt.com/>**** > > ** ** > > *From:* Steve Faulkner [mailto:faulkner.steve@gmail.com] > *Sent:* December-13-12 5:54 PM > *To:* HTML Accessibility Task Force > *Subject:* Call for Consensus on resolutions to Objections to Publish an > FPWD for long textual descriptions on images - due Friday 20th December, > 23:59 EST**** > > ** ** > > Hi all, **** > > the taskforce chairs have gone through the feedback from the CFC [4] to > pass the image description spec along for publication. We are now > proposing a dispositive summary of comments received on our CfC [4] for > Objections to Publish an FPWD for long textual descriptions on images and > are asking the group to consider the following resolutions to the issues > raised. **** > > Silence will be considered assent, but positive responses by [Friday 20thDecember, 23:59 EST] > are preferred:**** > > ** ** > > *Technical issues:***** > > Aside from the expressions of support, the accessibility taskforce has > received one clear objection and several questions about the longdesc > proposal. A new draft has been published addressing the bugs raised[1]. The > following resolutions are proposed for points raised other than those > considered to be purely issues of process: **** > > 1. David McDonald stated that an example of an image with null alt > text and a longdesc would contradict a WCAG technique. A bug was raised > 20048 [1] to track this. In the latest draft, the example has been removed. > **** > > a. Resolution - Resolved fixed: Remove the example.**** > > 2. David also stated that longdesc URLs which were internal references > to the page were a new feature and didn't work. Subsequent replies showed > that they were part of the HTML 4 definition, that they had been > implemented that way in pwWebspeak, Opera, iCab, the Firefox extension, and > there were examples in the wild. However, current implementations using > IE/JAWS, and some others do not handle this effectively.**** > > a. Proposed Resolution – Resolved Invalid: Keep the HTML 4 definition. > State that implementations which do not recognise internal page references > are incorrect. **** > > 3. James Craig and Matt Turvey both stated that an image description > should be available to all users. Nobody disagreed, and several people > agreed. A bug was raised[3] to track this. The proposed specification > already requires user agents to enable users, as well as assistive > technologies, to access the functionality. The Opera, iCab and Firefox > implementations all do this. The NVDA implementation was held back with the > explicitly stated hope that the functionality would be made available to > all users through the browser. **** > > a. Proposed Resolution – Resolved Fixed: The recent update to the > specification addresses this by more clearly stating that the requirements > apply to all users, not just assistive technology.**** > > b. If this is still unclear in the specification, please provide > specific editorial suggestions to improve it.**** > > **** > > 4. Matt Turvey suggested that the use case of making it straightforward > to teach the use of description mechanism be removed, because it could be > interepreted in a way that casts a bad light.**** > > a. Proposed Resolution- Resolved Won’t Fix: The use case has value and > should be retained. **** > > b. If there are ways to reduce the risk of wilful misinterpretation, > please provide specific editorial suggestions to improve it.**** > > **** > > 5. Matt Turvey stated that poor implementation of longdesc means that it > is more harmful than beneficial. Various responses have been made that > while poor implementation is a known issue, the harm it may do is > outweighed by the benefit of good implementations that exist.**** > > a. Proposed Resolution: Resolved Won’t Fix: This is a point in > contention, and the case that longdesc is harmful has clearly not been > proven.**** > > **** > > 6. Matt Turvey suggested that the specification could be changed to > state that it should only be used in cases where the audience was > controlled.**** > > a. Proposed Resolution- Resolved Won’t Fix: This restriction is > unnecessary, and counter-productive. It should not be added to the > specification.**** > > **** > > 7. Matt Turvey, James Craig, and Silvia Pfeiffer suggested the > specification could be changed to state that longdesc is obsolete.**** > > a. Proposed Resolution- Resolved Won’t Fix: In a specification of a > single feature, this makes no sense. The question might be relevant to the > HTML Working Group if it wants to consider incorporating this extension > directly into the HTML specification.**** > > **** > > *Issues of process:***** > > The following resolutions are proposed for points raised [5] considered to > be purely issues of process:**** > > 1. Matt Turvey suggested we haven't addressed the objections from the > original HTMLWG poll and decision.**** > > a. Proposed resolution - Invalid: The decision was overturned. The > question of whether a draft makes a reasonable FPWD does not depend on it > meeting all technical objections, and therefore it is reasonable to file a > bug for any given technical issue (as has been done in some cases already) > and proceed with publishing.**** > > 2. Matt Turvey suggested None of the use cases (except Teaching > Accessible Development)appear to specifically require longdesc.**** > > a. Proposed resolution - Invalid: Use cases do not require a specific > solution. They lead to requirements, and we standardise something that > meets those requirements.**** > > 3. Matt Turvey suggested that the use cases can already be better > addressed with existing, widely supported techniques.**** > > a. Proposed resolution - Invalid: It is clearly possible to meet any > given use case's requirements, and even a subset of all of them, with many > kinds of solutions. There is no reason an alternative cannot be proposed as > an extension specification. We are not discussing other proposals, but > whether it is reasonable to publish a draft of one proposed solution.**** > > 4. Matt Turvey suggested that if there is a use case that specifically > requires programmatic determinability of a long description link as > distinct from a normal link, but is not satisfied by using rel=longdesc, > this should be included.**** > > a. Proposed resolution - Invalid: Use cases should identify problems > that need solutions, not be reverse-engineered from solutions (nor from > hypothetical proposals for solutions). There is no reason an alternative > cannot be proposed as an extension specification. We are not discussing > other proposals, but whether it is reasonable to publish a draft of one > proposed solution.**** > > 5. Matt Turvey suggested that as Geoff Freed is currently compiling > evidence for the Task Force that some educational publishers might be about > to start using longdesc. It may be worth waiting until we have that > evidence available.**** > > a. Proposed resolution - Invalid: If this were the only evidence, or > critical for a decision on whether to proceed to Recommendation, it might > be worth waiting for it. Since this CfC is about developing the > specification as a Working Draft, it is unnecessary to wait for all > possible knowledge before moving forward. **** > > 6. Matt Turvey suggested that as Sam Ruby previously suggested a course > correction may be required on longdesc, citing the absence of correct > longdesc usage in Steve Faulkner's survey of the top 10,000 website home > pages. Is this spec the kind of course correction that will convince HTMLWG > members to support longdesc?**** > > a. Proposed resolution - Invalid: It's difficult to guess if Sam is > right. What Sam Ruby suggested is not a process requirement, and as > understood he didn't even suggest this was the chairs' opinion, just an > idea of his own. Therefore not publishing a draft of the spec seems > unlikely to help determine the answer to Matts question.**** > > **** > > References:**** > > [1] > http://dvcs.w3.org/hg/html-proposals/raw-file/1f251fcbe363/longdesc1/longdesc.html > **** > > [2] https://www.w3.org/Bugs/Public/show_bug.cgi?id=20048**** > > [3] https://www.w3.org/Bugs/Public/show_bug.cgi?id=20117**** > > [4] http://lists.w3.org/Archives/Public/public-html-a11y/2012Nov/0091.html > **** > > [5] > http://lists.w3.org/Archives/Public/public-html-a11y/2012Nov/0152.html**** > > **** > > **** > > On behalf of the task force chairs:**** > > **** > > Janina, Steve and Chaals**** > > **** > > **** > > -- **** > > with regards**** > > **** > > Steve Faulkner**** > > Technical Director - TPG**** > > **** > > > **** > -- with regards Steve Faulkner Technical Director - TPG www.paciellogroup.com | www.HTML5accessibility.com | www.twitter.com/stevefaulkner HTML5: Techniques for providing useful text alternatives - dev.w3.org/html5/alt-techniques/ Web Accessibility Toolbar - www.paciellogroup.com/resources/wat-ie-about.html
Received on Friday, 14 December 2012 07:37:11 UTC