@twtxt.net@twtxt.net It was totally an April Fools’ joke; the IETF has a bunch of those. But! It has also been implemented. And 418 is my favorite error code.
@bml@twtxt.net Yup, several. My favorite is RFC 1149, another that’s since been implemented. https://en.wikipedia.org/wiki/April_Fools%27_Day_Request_for_Comments