When using world.Export() with a byond url other than hostname:port, is it required to have the "?" character at the end? I've been trying to figure out why

was never working when I could type that same address into DreamSeeker and login just fine. Running the remote world in DreamDaemon and specifying the remote host:port also worked just fine. Finally I tried it as

and voila, it worked. Any reason why I can't just do the first if I'm not sending any particular message to the remote world?