[jedimastert]

The IEEE rfcs does define a spot for the query string, but doesn't really say what to do with it.

https://datatracker.ietf.org/doc/html/rfc3986#section-3.4

[TZubiri]

Try 1866 and 1867

Html is relevant historically as that syntax comes from forms. It was historically a sort of API between the browser client and the server, so yeah.

But it's pretty well defined since 1995