If `--rc-user` or `--rc-pass` is set then the URL that is opened with `--rc-files` will have the authorization in the URL in the `http://user:pass@localhost/` style.
If `--rc-user` or `--rc-pass` is set then the URL that is opened with `--rc-files` will have the authorization in the URL in the `http://user:pass@localhost/` style.