[1] [at] (0) Introduce a vEvent vocabulary. (Hixie著, ) <https://github.com/whatwg/html/commit/425754254022e0ca969a77965cd71603f6bf5255>
[2] [c] (0) Clarify a requirement regarding dtend's syntax which I had mi… (Hixie著, ) <https://github.com/whatwg/html/commit/334930322a5e82f9340bceb72da092c86241141a>