?um/p1-90`The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
ECMA-262, ECMAScript® language specification
https://ecma-international.org/publications-and-standards/standards/ecma-262/
RFC 3986, Uniform Resource Identifier (URI): Generic Syntax
https://datatracker.ietf.org/doc/html/rfc3986
The Unicode Standard
https://www.unicode.org/versions/latest/