- From: Justin James <j_james@mindspring.com>
- Date: Thu, 21 Aug 2008 00:38:21 -0400
- To: "'Leif Halvard Silli'" <lhs@malform.no>
- Cc: "'Gez Lemon'" <gez.lemon@gmail.com>, "'Patrick H. Lauke'" <redux@splintered.co.uk>, <wai-xtech@w3.org>, <public-html@w3.org>
Lief - This all sounds good to me! J.Ja > -----Original Message----- > From: Leif Halvard Silli [mailto:lhs@malform.no] > Sent: Wednesday, August 20, 2008 12:07 PM > To: Justin James > Cc: 'Gez Lemon'; 'Patrick H. Lauke'; wai-xtech@w3.org; public- > html@w3.org > Subject: Re: Flickr and alt > > Justin James 2008-08-20 07.24: > > >> Leif Halvard Silli Tuesday, August 19, 2008 10:12 PM > [ ... @role ...] > > The reason why I suggest that we allow it to be omitted, is > > because it is a pretty large burden to impose on HTML authors > > > First time I heard about @role, I was negative ... But it sunk in. > > > to ask them to try to categorize every tag they use into the > > @role system. Creating a role called "unspecified", and > > spec'ing it so that anything where @role is omitted or equal to > > empty string is equivalent to @role=unspecified [...] > > > Unspecified role gives unspecific validation ... > > > > One contributing factor in why I feel this way, is that I am of > > the opinion that @role should be available on nearly every > > element in the body of an HTML document. > > So that all would default to role=undefined, you mean. OK. > > >> Some tryouts for the last question: If the default value was > > [...] > > >> (4) role="private-undefined" (the name of the default role > >> should seem unfitting for "public" pages) => validator > >> announces > > >> > > >> [...] (c) that such a value is incorrect for pages > >> [...] in need of a measure of universal access and > >> accessibility [ .. etc ..] > > > > > I tend to favor a behavior of missing/empty/"unspecified" @role > > value to behave consistently with Karl's proposal from > > yesterday (at least in regards to @alt), of "@alt is a > > mandatory attribute, even if it is simply empty, see WCAG for > > accessibility information". It is simply the best proposal I > > have seen on the subject, despite the hundreds of emails on the > > topic. That being said, your option #4 is darned close to what > > I would expect and want, and I suspect it's what you favor too, > > given the detail you give it in your description. I do not > > think the two ideas are incompatible, and indeed, I think that > > they complement each other extraordinarily well! > > > Perhaps I should change its name to role=unspecified. ;-) > > >> Over all, @role would open many new possibilities for better > >> validation services: > >> > > >> Repeated alt could trigger a response. [...] Some loopholes > >> could become narrower. [...] @Role would allow the validator > >> to apply "heuristics". [...] > > > > I agree 100%! I think that @role not only opens up great things > > for validation, but also for search engines and any other > > "Semantic Web"-consuming/parsing application. But I also think > > it's way too much to ask of many (if not most) HTML authors to > > always use it, let alone use it correctly (much like @alt, > > sadly). > > If we keep the option of role=unspefified, then we would get at > least two levels of validation. And that might be fine. > -- > leif halvard silli
Received on Thursday, 21 August 2008 04:39:26 UTC