- From: Sam Ruby <rubys@intertwingly.net>
- Date: Thu, 15 Nov 2012 20:29:22 -0500
- To: Silvia Pfeiffer <silviapfeiffer1@gmail.com>
- CC: Judy Brewer <jbrewer@w3.org>, Steve Faulkner <faulkner.steve@gmail.com>, public-html-a11y@w3.org
On 11/15/2012 07:13 PM, Silvia Pfeiffer wrote: > Judy, > > Is there are link to David MacDonald's document that could be shared? I presume that this this the document in question: http://www.davidmacd.com/WCAG/WAI/buggy.html I encourage everybody to (re)-read the third bullet of http://dev.w3.org/html5/decision-policy/html5-2014-plan.html#a11y-tf > Thanks, > Silvia. - Sam Ruby > On Fri, Nov 16, 2012 at 3:49 AM, Judy Brewer <jbrewer@w3.org > <mailto:jbrewer@w3.org>> wrote: > > Steve, > > Brief comment below. > > > At 04:31 PM 11/15/2012 +0000, Steve Faulkner wrote: > > Hi all, > > chair hat off > > > My take on current situation: > > > > In HTML5 we have a set of normative authoring requirements on > what are appropriate text alternatives when an <img> is used is > a range of contexts. > * > <http://dev.w3.org/html5/spec/__the-img-element.html#general-__guidelines > <http://dev.w3.org/html5/spec/the-img-element.html#general-guidelines>>4.8.1.1.1 > General guidelines > * > <http://dev.w3.org/html5/spec/__the-img-element.html#a-link-__or-button-containing-nothing-__but-the-image > <http://dev.w3.org/html5/spec/the-img-element.html#a-link-or-button-containing-nothing-but-the-image>>4.8.1.1.2 > A link or button containing nothing but the image > * > <http://dev.w3.org/html5/spec/__the-img-element.html#a-phrase-__or-paragraph-with-an-__alternative-graphical-__representation:-charts,-__diagrams,-graphs,-maps,-__illustrations > <http://dev.w3.org/html5/spec/the-img-element.html#a-phrase-or-paragraph-with-an-alternative-graphical-representation:-charts,-diagrams,-graphs,-maps,-illustrations>>4.8.1.1.3 > A phrase or paragraph with an alternative graphical > representation: charts, diagrams, graphs, maps, illustrations > * > <http://dev.w3.org/html5/spec/__the-img-element.html#a-short-__phrase-or-label-with-an-__alternative-graphical-__representation:-icons,-logos > <http://dev.w3.org/html5/spec/the-img-element.html#a-short-phrase-or-label-with-an-alternative-graphical-representation:-icons,-logos>>__4.8.1.1.4 > A short phrase or label with an alternative graphical > representation: icons, logos > * > <http://dev.w3.org/html5/spec/__the-img-element.html#text-__that-has-been-rendered-to-a-__graphic-for-typographical-__effect > <http://dev.w3.org/html5/spec/the-img-element.html#text-that-has-been-rendered-to-a-graphic-for-typographical-effect>>4.8.1.1.5 > Text that has been rendered to a graphic for typographical effect > * > <http://dev.w3.org/html5/spec/__the-img-element.html#a-__graphical-representation-of-__some-of-the-surrounding-text > <http://dev.w3.org/html5/spec/the-img-element.html#a-graphical-representation-of-some-of-the-surrounding-text>>__4.8.1.1.6 > A graphical representation of some of the surrounding text > * > <http://dev.w3.org/html5/spec/__the-img-element.html#a-purely-__decorative-image-that-doesn't-__add-any-information > <http://dev.w3.org/html5/spec/the-img-element.html#a-purely-decorative-image-that-doesn't-add-any-information>>4.8.1.1.7 > A purely decorative image that doesn't add any information > * > <http://dev.w3.org/html5/spec/__the-img-element.html#a-group-__of-images-that-form-a-single-__larger-picture-with-no-links > <http://dev.w3.org/html5/spec/the-img-element.html#a-group-of-images-that-form-a-single-larger-picture-with-no-links>>__4.8.1.1.8 > A group of images that form a single larger picture with no links > * > <http://dev.w3.org/html5/spec/__the-img-element.html#a-group-__of-images-that-form-a-single-__larger-picture-with-links > <http://dev.w3.org/html5/spec/the-img-element.html#a-group-of-images-that-form-a-single-larger-picture-with-links>>4.8.__1.1.9 > A group of images that form a single larger picture with links > * > <http://dev.w3.org/html5/spec/__the-img-element.html#a-key-__part-of-the-content > <http://dev.w3.org/html5/spec/the-img-element.html#a-key-part-of-the-content>>4.8.1.1.10 > A key part of the content > * > <http://dev.w3.org/html5/spec/__the-img-element.html#an-image-__not-intended-for-the-user > <http://dev.w3.org/html5/spec/the-img-element.html#an-image-not-intended-for-the-user>>4.8.__1.1.11 > An image not intended for the user > > > > > NOTE: there was, but is no longer any disagreement on machine > checkable alt requirements in HTML5, the issues in this regards > have been resolved, so we are ONLY talking about the normative > authoring requirements that involve human judgement to interpret > conformance: > > > > Some of above set of requirements diverge from WCAG 2.0 advice > and general agreement in the accessibility community [2]. > > > > In the history of the working group there have been attempts to: > > > > · Get the individual requirements modified to agree with > WCAG 2.0 > > · Get the requirements be made informative instead of > normative > > · Get the requirements moved out of the spec and instead > point to WCAG advice and requirements > > · Get the requirements moved out of the spec and instead > point to the HTML5: alt techniques document. > > > > None of the above have been successful to date. > > > Not entirely true. > > Please arrange discussion with HTML Editors on alt guidance bugs, > using for reference the document that David MacDonald has prepared. > > Philippe or myself can provide additional background as needed on > coordination regarding resolution options for documented bugs on alt. > > - Judy > > > My personal take on what needs to occur before HTML5 becomes a > recommendation: > > > > Options (from most preferred): > > > > 1. Current normative non machine checkable requirements removed > from HTML5 spec, replaced with pointer to HTML5 alt document. > HTML5 alt document changed from normative to informative. Going > forward document stays in HTML WG, but becomes the > responsibility of the a11y taskforce. > > 2. If 1 cannot be achieved then normative requirements in spec > change to informative and where they diverge from WCAG they are > modified, and a pointer to HTML5 alt document is added as a > reference to more detailed informative advice (alt doc changed > to informative and is responsibility of taskforce) > > 3. If neither 1 or 2 cannot be achieved then alt techniques doc > stays as normative and stays where it is. > > 4. If normative requirements stay in spec, but alt techniques > doc is forced to informative, then objection raised on HTML5 > > > > > > [1] <http://www.w3.org/html/wg/__wiki/IssueAltAttribute > <http://www.w3.org/html/wg/wiki/IssueAltAttribute>>http://__www.w3.org/html/wg/wiki/__IssueAltAttribute > <http://www.w3.org/html/wg/wiki/IssueAltAttribute> > > > > -- > with regards > > Steve Faulkner > Technical Director - TPG > > <http://www.paciellogroup.com>__www.paciellogroup.com > <http://www.paciellogroup.com> | www.HTML5accessibility.com > <http://www.HTML5accessibility.com> | > <http://www.twitter.com/__stevefaulkner > <http://www.twitter.com/stevefaulkner>>www.twitter.com/__stevefaulkner > <http://www.twitter.com/stevefaulkner> > HTML5: Techniques for providing useful text alternatives - > <http://dev.w3.org/html5/alt-__techniques/ > <http://dev.w3.org/html5/alt-techniques/>>dev.w3.org/html5/__alt-techniques/ > <http://dev.w3.org/html5/alt-techniques/> > Web Accessibility Toolbar - > <http://www.paciellogroup.com/__resources/wat-ie-about.html > <http://www.paciellogroup.com/resources/wat-ie-about.html>>ww__w.paciellogroup.com/resources/__wat-ie-about.html > <http://www.paciellogroup.com/resources/wat-ie-about.html> > > > >
Received on Friday, 16 November 2012 01:29:56 UTC