[1] Editorial: use Infra to define the ordered set parser
(annevk著, )
https://github.com/whatwg/dom/commit/a149b84dc99e82ad3a8c35d5e8193a93f2676770i
[2] Make set replacement more limited in scope
(annevk著, )
https://github.com/whatwg/infra/commit/68c289660635448d9eba7238368ad310c4fbd98b
[3] Always update a DOMTokenList
(annevk著, )
https://github.com/whatwg/dom/commit/d396872f847d63b803393092eb81843e80d566b7
[4] Use Infra's concatenation definition
(annevk著, )
https://github.com/whatwg/dom/commit/53511b8edddd7943c5769a2dc1703cac66a1c95f