[1] [at] (0) Introduce a vEvent vocabulary. (Hixie著, 2009-05-14 10:14:50 +09:00) https://github.com/whatwg/html/commit/425754254022e0ca969a77965cd71603f6bf5255

[2] [c] (0) Clarify a requirement regarding dtend's syntax which I had mi… (Hixie著, 2009-05-15 07:57:59 +09:00) https://github.com/whatwg/html/commit/334930322a5e82f9340bceb72da092c86241141a