html case sensitivility

manakai-core / Whatpm / manakai-charlib / CharClass / WebHACC / Harusame / regexp

html case sensitivility - TODO

[Good Job!]

Good Job!wakabatanwakabatan 『https://github.com/whatwg/html/commit/a4313d39a35d94fcf0e660a0a86241233dafd142』