Re: [office-accessibility] Re: [office] Table Refresh Delay

["Dave Pawson" <dave.pawson@gmail.com>]

2008/7/19 Peter Korn <Peter.Korn@sun.com>:
> Dave,
>
> Did you see my earlier mail about the conditions under which refresh/flash
> might cause a seizure (as per the TEITAC final report)?  What accessibility
> concerns do you have about a rapid table cell refresh?


I believe that your comments back up my position.

Frequence should be less than 3 per second.
The area one
The combined area of FLASHES occurring concurrently occupies no more
than a total of .006 steradians within any 10 degree visual field on
the screen (25% of any 10 degree visual field on the screen) at
typical viewing distance where:
may apply, I wouldn't want to have vendors implement this only when ...
some cells are a given percent of the screen area?

Is that your argument? Size relative to screen area?

> Is it reasonable to
> allow a refresh to be expressed as something that could occur rapidly if all
> user agents by default won't render anything that could cause a seizure?

If the standard restricts refresh to < 3/s that won't happen in
compliant apps Peter?

regards

-- 
Dave Pawson
XSLT XSL-FO FAQ.
http://www.dpawson.co.uk