RFC 3986 is the earlier one, and curl has always tried to adhere to that one (since it shipped in January 2005). The WHATWG URL spec was written later, is incompatible with the RFC 3986 and changes ...

Curl is a command-line tool for transferring data specified with URL syntax. Learn how to use curl by reading the manpage or everything curl. Find out how to install curl by reading the INSTALL ...