- From: Steven Faulkner <faulkner.steve@gmail.com>
- Date: Thu, 3 Jun 2010 14:47:26 +0100
- To: "Gregory J. Rosmaita" <oedipus@hicom.net>
- Cc: wai-xtech@w3.org
Hi gregory thanks for the feedback, can you submit as a bug so I can track the issue? file a bug: http://www.w3.org/Bugs/Public/enter_bug.cgi?product=HTML%20WG&component=alt%20techniques%20(editor:%20Steven%20Faulkner) If it's too much hassle i can do so on your behalf. best regards Stevef On 3 June 2010 08:17, Gregory J. Rosmaita <oedipus@hicom.net> wrote: > aloha, steve! > > overall, i am really impressed with the work you've done on > the HTML5 Techniques for providing useful text alternatives > draft (congrats on getting a public draft approved) -- but in > re-reading and discussing the draft i've run into the same reaction > i first had when i reviewed an earlier draft of the document, and i > believe it is an example that you inherited from a previous HTML5 > draft: > > QUOTE source="http://dev.w3.org/html5/alt-techniques/#images-enhance" > > Example 6.1 > Here is an example of an image closely related to the subject matter of > the page content but not directly discussed. An image of a painting > inspired by a poem, on a page reciting that poem. The following snippet > shows an example. The image is a painting titled the "Lady of Shallot", > it is inspired by the poem and its subject matter is derived from the > poem. Therefore it is strongly recommended that a text alternative is > provided. The description of the content of the image would be redundant > for users who can view the image, so the appropriate place to put it is > in the alt attribute. > > Example code: > > <hgroup><h1>The Lady of Shalott</h1> > <h2>A poem by Alfred Lord Tennyson</h2></hgroup> > <figure><img src="shalott.jpeg" alt="A painting of a young women with > long hair sitting in a wooden boat, she is wearing a flowing white > dress. A large piece of intricately patterned fabric is draped over > the side. In her right hand she holds the chain mooring the boat. Her > expression is mournful. She stares at a crucifix lying in front of > her. Beside it are three candles. Two have blown out."></figure> > UNQUOTE > > example 6.1 is a poor example of alt text useage, and as such should > be deleted or modified -- alt text is the brief "at a glance" or > "congnative thumbnail", so the extremely long value defined for the > example isn't appropriate as alt text, but as a concise long > description; alt text needs to be terse for a number of reasons, > including usability, extremely limited viewports, small amount of video > "real estate" (iPad and smaller devices) etc. > > 358 characters isn't a terse descriptor or cognative thumbnail -- this > seems to me a case where a picture may be worth at least 358 words, but > only make me listen to all 365 if i want/need to if i ask for it, > explicitly or via user preferences -- i also need a means of being > alerted that a longer description is available, and, if need be, need > to have side-by-side exposition of longdesc with image option available, > for someone with an EXTREMELY limited viewport or a user with a cognative > disability with or without AT, who is attempting to compile a > comprehensive view of the image being described > > is this something that can be fixed? do you think it advisable to > state only "terse, short, cognitive thumbnails, such as those used > in the examples below" be used for alt values, as i for one would not > want to set a hard cap on the MaxValue of alt text, but do want > developers/content creators to realize just what alt text actually > is and what longer descriptors are, as well as the need for robust > support for them > > apologies for not having commented upon this earlier -- it fell through > the holes in the sieve i call my mind and slipped down on my ToDo list > until it was off my radar until i was very recently reminded of it -- > thanks to all who helped "jog" my memory... > > gregory. > ------------------------------------------------------------------ > "Kill the rattlesnake that gives no warning; spare the one that > does." -- Lenni Lenape proverb > ------------------------------------------------------------------ > Gregory J. Rosmaita <oedipus@hicom.net> > Camera Obscura: http://www.hicom.net/~oedipus/index.html > Oedipus' Online Complex: http://my.opera.com/oedipus/ > UBATS - United Blind Advocates for Talking Signs: http://ubats.org > ------------------------------------------------------------------ > > > > -- with regards Steve Faulkner Technical Director - TPG Europe Director - Web Accessibility Tools Consortium www.paciellogroup.com | www.wat-c.org Web Accessibility Toolbar - http://www.paciellogroup.com/resources/wat-ie-about.html
Received on Thursday, 3 June 2010 13:48:14 UTC