Document Revision History

This table describes the changes to CAKeyframeAnimation Class Reference.

Date	Notes
2013-01-28	Clarified the descriptions of several properties.
2010-05-25	Updated to include symbols introduced in iOS 4.0.
2009-05-17	Corrected kCAAnimationPaced description to indicate that this is implemented.
2007-07-24	New document that describes the class that provides keyframe interpolation of a layer property.

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