…es that begin with the ASCII- Compatible Encoding prefix "xn--" as defined in [ RFC5890 ] are properly encoded. Wildcard domain names (with "*" as the first label) MUST NOT be included in authorization objects. If an authorization object conveys authorization for the base domain …

…2008. For instance, ☕.example becomes xn--53h.example and not failure. [UTS46] [RFC5890] The domain to Unicode algorithm, given a domain domain and a boolean beStrict , runs these steps: Let result be the result of running Unicode ToUnicode with domain_name set to domain CheckHyp…

…e rather than exclusively an editorial one like a missing reference). IDNA2008 [RFC5890 Section 2.3.2.3] is very precise about what an "IDN" is (a definition incorporated by reference in RFC 6365 and consistent with the definition in RFC 8499) , but there are other things around …

…e rather than exclusively an editorial one like a missing reference). IDNA2008 [RFC5890 Section 2.3.2.3] is very precise about what an "IDN" is (a definition incorporated by reference in RFC 6365 and consistent with the definition in RFC 8499) , but there are other things around …