A default config file has to exist first before this can be used.
If you've never played on NAO before - start a game first, save it,
then come back here to use the editor.
You can use either:
(Both ask for your login information on nethack.alt.org)
***Bit of a bug here. If you're not logged in now, this will take you to login but you may get an rcfile error. Just come back to this page and click again. Sorry for the inconvenience. Will get to this. --drew