- From: Charles McCathieNevile <chaals@opera.com>
- Date: Tue, 31 Jul 2007 20:45:24 +0200
- To: "Maciej Stachowiak" <mjs@apple.com>
- Cc: "Jon Barnett" <jonbarnett@gmail.com>, "Gregory J. Rosmaita" <oedipus@hicom.net>, "Lachlan Hunt" <lachlan.hunt@lachy.id.au>, public-html@w3.org, w3c-wai-ua@w3.org
On Tue, 31 Jul 2007 20:17:23 +0200, Maciej Stachowiak <mjs@apple.com> wrote: > On Jul 31, 2007, at 1:30 AM, Charles McCathieNevile wrote: > >> >>> Instead, I suggest precisely the opposite. HTML 5 should explicitly >>> forbid @alt from being displayed as a tooltip*. Also, @alt SHOULD not >>> be presented to the user in any way by default when an image is being >>> displayed - in the same manner that a UA doesn't display the contents >>> of <object> if the media is being displayed. Any other behavior >>> encourages misuse of alternate content by encouraging authors to use >>> @alt as supplemental, not alternate, content. >> >> I agree that we should say 'user agents SHOULD NOT present alt and >> title in a way that makes it impossible to distinguish them'. Anything >> more is, I think, overly restrictive (and we would ignore it in >> practice). Anything less is avoiding the problem. > > I think the spec should suggest that title is meant to be displayed > along with the content, while alt is meant to be an alternative and > should not be presented by default if the content for which it is an > alternative is being presented, much as <object> fallback content is not > presented when the primary <object> contents are. > > Just saying alt and title shouldn't be presented in ways that are > indistinguishable doesn't clarify to authors how they are different, or > to UA vendors how the presentations should differ. Making one a pink > tooltip and the other a green tooltip would not solve most of the > problems Ian raised, for instance. Intended addition/enhancement vs. > intended replacement is a pretty clear distinction that does not > overconstrain details of the presentation. Indeed. Last I looked at the section of the spec, and also in the proposal I made to deal with alt/title/longdesc, I think that it already talked about the differences - but in any case we should not forget these points. cheers Chaals -- Charles McCathieNevile, Opera Software: Standards Group hablo español - je parle français - jeg lærer norsk chaals@opera.com Catch up: Speed Dial http://opera.com
Received on Tuesday, 31 July 2007 18:47:04 UTC