Yes and yes, since 1995. More specifically: http://www.ietf.org/rfc/rfc3986.txt http://www.ietf.org/rfc/rfc3986.txt Via: http://stackoverflow.com/questions/35

Yes and yes, since 1995. More specifically: http://www.ietf.org/rfc/rfc3986.txt http://www.ietf.org/rfc/rfc3986.txt Via: http://stackoverflow.com/questions/3583103/scheme-relative-urls http://stackoverflow.com/questions/3583103/scheme-relative-u...