var authority string
		authority, rest = rest[2:], ""
		if i := strings.Index(authority, "/"); i >= 0 {
			authority, rest = authority[:i], authority[i:]
		}
		url.User, url.Host, err = parseAuthority(authority)
		if err != nil {
			return nil, err
		}
	} else if url.Scheme != "" && strings.HasPrefix(rest, "/") {
		// OmitHost is set to true when rawURL has an empty host (authority).