RE: [css3-animations] display:none, visibility:hidden and animations

[Tab Atkins Jr.:]

> I expect to be able to animate an element to/from display:none, once
> Transitions is fixed to allow animating all properties.
> 
> ~TJ
Note that animating to/from display:none was not the original question
(though it's also worth discussing). 
The question is: given animations applied to element E and/or its 
descendants, what is the effect of making E display:none on these 
animations ?