Re: [csswg-drafts] [selectors-4] Clarify :lang() behavior when the language range is not a well-formed BCP 47 code (#8720)

Right, this is undefined in the spec right now. If the `:lang()` argument can't be interpreted in BCP-47 syntax, it should definitely just fail to match straight away.

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Received on Friday, 14 April 2023 20:48:28 UTC