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Re: [css3-transitions] rule for animation of 'visibility' is backwards

From: Simon Fraser <smfr@me.com>
Date: Tue, 01 Dec 2009 19:26:46 -0800
Cc: David Hyatt <hyatt@apple.com>, www-style@w3.org
Message-id: <9F383635-3DFE-472C-8CD8-EE17714F2D2D@me.com>
To: "L. David Baron" <dbaron@dbaron.org>
On Nov 30, 2009, at 9:50 PM, L. David Baron wrote:

> On Monday 2009-11-30 14:15 -0600, David Hyatt wrote:
>> This is definitely just a mistake in the spec.
> 
> Does the following text make sense instead:
> # visibility: interpolated via a discrete step.  Animations
> # between 'visible' and 'hidden' are interpolated so that all
> # intermediate values are 'visible'.  Animations involving 
> # 'collapse' cannot be interpolated.
> 
> Is that a reasonable way to handle 'collapse'?  Or is there a better
> option?

The way that WebKit implements this is to treat all intermediate values
between anything and 'visible' as 'visible'.  So I'm not sure that you
need to call out 'collapse'.

Simon
Received on Wednesday, 2 December 2009 03:28:27 GMT

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