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[Bug 11239] Canvas support accessible caret tracking independent of Focus Ring tracking

From: <bugzilla@jessica.w3.org>
Date: Wed, 27 Apr 2011 01:39:45 +0000
To: public-html-a11y@w3.org
Message-Id: <E1QEtjF-0005Tu-KZ@jessica.w3.org>

--- Comment #23 from Ian 'Hixie' Hickson <ian@hixie.ch> 2011-04-27 01:39:44 UTC ---
(In reply to comment #22)
> Blink rates on all OS platforms return a rate in milliseconds. They do not
> return two values. 

A time in milliseconds is not a rate. It's an interval. Rates are in Hertz (or
some other unit with dimension [1/T]). The proposal doesn't say what the return
value is other than to say it must be a rate and must be in milliseconds, which
is self-contradictory and leaves the reader wondering what the number means:
the complete period, a half period, the time the caret is on, the time the
caret is off, the frequency? It's simply not defined well enough to be
interoperably implementable.

> A negative number is means there is no setting in the OS applied. What is the
> problem?

Which negative number? We can't leave things undefined. It's not 1995 any more.
(Also, how can the OS not have a blink rate? Do you have an example of such an

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Received on Wednesday, 27 April 2011 01:39:47 UTC

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