Which is really and genuinely great, except the author is still releasing the code in essentially impossible-to-review code drops:
https://github.com/DmitryBaranovskiy/raphael/commit/164c349e...
I have massive respect for Dmitry's pure abilities and the library as a whole, but trying to contribute is pretty frustrating.
Or, for that matter, per-version documentation.
http://thechangelog.com/post/631899187/episode-0-2-5-rapha-l...