SVG animation features should be guided/coordinated with Acid4 test requirements:
http://en.wikipedia.org/wiki/Acid4
Inkscape 0.48 targets
Re: Inkscape 0.48 targets
I like that these tests push browser compliance and adoption of standards. A lot of people are dismissive of the tests, but I think they do a lot of good. So it's good to see that SVG will be pushed in the next test.