Re: [whatwg/url] Hexadecimal IPv4 hosts aren't parsed correctly (#632)

Can you explain why?

As far as I can tell https://url.spec.whatwg.org/#concept-host-parser calls https://url.spec.whatwg.org/#ends-in-a-number-checker which calls https://url.spec.whatwg.org/#ipv4-number-parser which does not return failure for that input. That eventually results in the host parser invoking https://url.spec.whatwg.org/#concept-ipv4-parser for the same input and returning the result.

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