Re: [css-animations] reverting an earlier change about animation-timing-function

> On Sep 23, 2015, at 3:58 pm, L. David Baron <dbaron@dbaron.org> wrote:
> 
> I was looking at an issue in css-animations with Cameron, and
> spotted something in the animations spec that seemed wrong to me.
> It went back to this edit:
>  https://hg.csswg.org/drafts/rev/685f66d955ec
> which introduced text saying that an 'animation-timing-function'
> within a keyframe rule would apply until the next keyframe rule that
> had another animation-timing-function declaration.  Previously I'd
> have interpreted the spec as implying that it was until the next
> keyframe for the property being animated, whether or not that
> keyframe has an animation-timing-function declared.
> 
> I'm not sure why this edit was made.  However, based on this test:
>  http://dbaron.org/css/test/2015/animation-timing-function
> it disagrees with all implementations that I've tested (Firefox,
> Chrome, IE11 [1]).  Given that the edit was intended as a
> clarification, I plan to change the spec to re-clarify things in the
> other direction, i.e., to match the way all implementors that I'm
> aware of had interpreted the old wording.

This seems fine; Safari agrees with the Firefox behavior: the lower
pair of blue boxes in your testcase move in sync.

Simon

Received on Thursday, 24 September 2015 03:08:39 UTC