- From: Ian Hickson <ian@hixie.ch>
- Date: Thu, 14 Feb 2008 04:37:10 +0000 (UTC)
- To: Jason White <jason@jasonjgw.net>
- Cc: public-html@w3.org
On Wed, 8 Aug 2007, Jason White wrote: > On Wed, Aug 08, 2007 at 12:29:35AM +0200, Sander Tekelenburg wrote: > > > > The problem is that you're making an assumption about how long the > > user needs to consume your advice -- yet you cannot know this as an > > author. (The user may be a slow reader; may be a slow reader in your > > language; plenty of other cases to imagine, when you stop to think > > about it.) Thus your Refresh defeats your own stated purpose of > > advising the user. > > > > When there is a good reason for such advice, it's best to leave it to > > the user to decide how quick or how slow to follow you along. Using a > > refresh in such cases is like giving someone a book and dictate at > > what speed he must read it. > > This is exactly the nature of the problem which WCAG seeks to address: > people with motor, cognitive or sensory disabilities, users of voice > browsers, etc., who cannot read the document quickly enough will have it > changed unexpectedly as the result of the refresh, without having had an > opportunity to read it in its entirety. > > The algorithm in section 3.7.5.1, step 22, does not allow for the > possibility that refresh may be disabled entirely, that it may be > presented as a link activatable by the user for example, or that a > minimum time-out may have been established in the user agent's > configuration. The only possibility accounted for is that the user may > interactively cancel the refresh before the time-out has elapsed. > > For these reasons, step 22 needs to be modified so as to allow for > alternative UA actions in response to refresh requests. At a minimum, > step 22 should be conditional upon UA configuration parameters. I've made step 22 far more flexible. Cheers, -- Ian Hickson U+1047E )\._.,--....,'``. fL http://ln.hixie.ch/ U+263A /, _.. \ _\ ;`._ ,. Things that are impossible just take longer. `._.-(,_..'--(,_..'`-.;.'
Received on Thursday, 14 February 2008 04:37:26 UTC