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Closes #263
This could possibly break an unusual use case where square brackets are considered valid domain name labels, such as
sub[.example.com
->sub[
+example
+com
. It's not compliant with RFC 3986 to begin with so it probably isn't an issue.If the IPv6 literal contains a trailing IPv4 address, non-ASCII dots are allowed, similar to behaviour in the Chrome and Edge web browsers. Firefox however does not allow non-ASCII dots in IPv6 literals.
I don't see any performance regressions as of yet.
Pure IPv6 addresses without square brackets are deemed invalid because they are invalid in the context of URLs.