- From: L. David Baron <dbaron@dbaron.org>
- Date: Thu, 16 Feb 2012 17:10:19 -0800
- To: Sylvain Galineau <sylvaing@microsoft.com>
- Cc: www-style list <www-style@w3.org>
On Friday 2010-10-22 22:04 +0000, Sylvain Galineau wrote: > The current Editor's Draft [1] defines both the following rules: > > # If one of the identifiers listed is a shorthand property, implementations > # must start transitions for any of its longhand sub-properties that are animatable, > # using the duration, delay, and timing function at the index corresponding to the > # shorthand. > > # If a property is specified multiple times in the value of 'transition-property' > # (either on its own or via a shorthand that contains it), then the transition that > # starts uses the duration, delay, and timing function at the index corresponding to > # the last occurrence of the property. > > What seems undefined is whether the following results in a duplicate: > > transition-property: border-width, border-right-width; > transition-duration: 3s, 1s; > > In other words, should this be equivalent to (a): > > transition-property: border-top-width, border-bottom-width, border-left-width, border-right-width; > transition-duration: 3s, 3s, 3s, 1s; > > Or (b): > > transition-property: border-top-width, border-right-width, border-bottom-width, border-left-width, border-right-width; > transition-duration: 3s, 3s, 3s, 3s, 1s; So the current editor's draft contains the wording: # If a property is specified multiple times in the value of # ‘transition-property’ (either on its own, via a shorthand that # contains it, or via the ‘all’ value), then the transition that # starts uses the duration, delay, and timing function at the # index corresponding to the last item in the value of # ‘transition-property’ that calls for animation that property. (It's been there for a bit, though I just modified it a bit to match a resolution regarding 'all' that we made at TPAC.) I think this makes things clear enough. Does it seem ok to you? -David -- 𝄞 L. David Baron http://dbaron.org/ 𝄂 𝄢 Mozilla http://www.mozilla.org/ 𝄂
Received on Friday, 17 February 2012 01:10:48 UTC