[johneth]

RFC 1738 was superseded by RFC 3986 (URIs) 19 years ago, and the URL Living Standard.

[wpollock]

> RFC 1738 was superseded by RFC 3986 (URIs) ...

RFC 3986 has the same wording (appendex C), <https://datatracker.ietf.org/doc/html/rfc3986#appendix-C>.