- From: John Foliot <john@foliot.ca>
- Date: Thu, 20 Sep 2012 16:01:39 -0700
- To: <public-html@w3.org>
- Cc: "'HTML Accessibility Task Force'" <public-html-a11y@w3.org>
Resending as the first attempt didn't appear to hit the mailing list. JF > -----Original Message----- > From: John Foliot [mailto:john@foliot.ca] > Sent: Thursday, September 20, 2012 3:33 PM > To: 'Sam Ruby'; 'Adrian Roselli' > Cc: 'public-html@w3.org' > Subject: RE: Issue 30 (Was: RE: Getting HTML5 to Recommendation in > 2014) > > Sam Ruby wrote: > > > > In fact, there is also a point that I would like clarification on. I > > would like to know if longdesc is only ever intended to be used in > > controlled educational environments with significant copyright > > restrictions and for that usage universal adoption by mainstream > > browsers is not a requirement? > > > > If I may: > > I think we have unquestionably demonstrated that there is an immediate > need TODAY for a mechanism that addresses the need for longer textual > descriptions in the EDU sector. > > However, I will also point out that Geoff Freed of NCAM referenced a US > Federally funded initiative that is seeking to improve the overall > corpus of Longer Textual descriptions on the web, without specifically > targeting that to one unique vertical market. > > We currently have one publishing vertical that is signally an urgent > need, but that does not exclude others: Museums, government sector, > health sector, etc.; content producers publishing content that is not > as ephemeral as other popular web content. > > In fact, we have collected evidence > (http://www.d.umn.edu/~lcarlson/research/ld.html#wild) from the > Governments of Canada, Australia, South Korea, Japan, the States of > California and Massachusetts, and more who are also using longdesc in > their current production workflow. We have identified other verticals > as well, including health (CDC, Substance Abuse and Mental Health > Services Administration (SAMHA), National Cancer Institute, Hipocampo), > Art, Libraries or Museums (Dayton Art Institute, Yorkshire and > Humberside Books, Santa Barbara Public Library), and Industry (IBM, the > Linux foundation) so to suggest that this is only for content of an > educational nature is to color the conclusion in an unhelpful way. > > Do all sites need @longdesc? Probably not. In Steve's raw data based on > the top 10,000 web sites home pages I noted with an ironic smile how > many of them were "adult" sites - they draw a *lot* of traffic but do > we really need a long description of "Suzi Q"? I suspect not. (Note, I > make no value judgment on the content of those sites - they have every > much the right to use the public internet as you or I, or the > University of Victoria, the Australian Government or CSS Squirrel - > sites who are all producing @longdesc content today.) > > > Or is there a universal need for "long textual descriptions" that is > > not > > currently being met? > > I would suggest that this is a truer statement. The reasons why this > need is not being met likely can trace its roots to a number of > reasons, but suffice to say that one way of classifying the current > situation is to reference the movie "The Field Of Dreams" - there is > little demand because there is little supply, there is little supply > because there is little demand. > > This is a Catch 22 problem, and I would further suggest that the first > thing we need is a means to create supply, and easy access to that > supply, at which point the demand will likely increase. (ref: Field of > Dreams, Henry Ford and the Model T) Will it see massive adoption on the > Top 10,000 homepages? That question has no relevance - many of those > pages may never need to use @longdesc. > > > > If so, what changes are required in order to get > > browser vendors to sign on? > > A workable technical solution that meets the use-cases presented. There > is no argument that the requirement for longer textual descriptions > will always reside in the edge-case bucket, but when that edge case > emerges, it is critical that we have a solution to meet that need. > > > > Another possible answer is that this is indeed a market that long > > descriptions (by whatever the attribute is named) is a requirement > for. > > In which case, we need to take this data very seriously first the > TF > > and ultimately the HTML WG as a whole will need to determine what > > corrective course corrections is needed. > > > > And I will note that these answers are not necessarily mutually > > exclusive. Perhaps we need two separate attributes. > > I fear that 2 separate attributes "forever" would be overly complex, > and a burden to authors. > > I suspect that maintaining the status quo with @longdesc today, while > working on a superior implementation of a method to deliver longer > textual descriptions would prove more fruitful for all concerned. That > effort could follow one of 2 paths: improve @longdesc while retaining > the attribute, or work on a *future* replacement with a different name. > If the latter, then a managed path forward would also be a requirement; > ripping and replacing will have significant negative consequences on > those examples of conformant @longdesc that it would be counter- > productive to do so. > > I think that if you actually queried the majority of those involved > with this debate that you would find a broader support for a 2-phased > approach such as this, but I state that without actually asking others, > and so only offer that as personal opinion. > > JF
Received on Thursday, 20 September 2012 23:02:15 UTC