Attaches to the IRC URL specified by <irc-url>.  If you are already attached, the view for <irc-url> is made current.  If that view has been deleted, it is recreated.  You may omit the irc:// portion of the <irc-url>.  Examples are; /attach freenode, /attach freenode/firefox and /attach irc.freenode.net/SeaMonkey,isnick.
Attaches to the IRC URL specified by <irc-url>.  If you are already attached, the view for <irc-url> is made current.  If that view has been deleted, it is recreated.  You may omit the irc:// portion of the <irc-url>.  Examples are; /attach moznet, /attach moznet/chatzilla, and /attach irc.mozilla.org/mozbot,isnick.