Nick changes aren't really specific to channels.
[15:58:34] <- :Jigsy`!Jigsy@Why.are.you.Whoising.me.you.Perve.rt NICK :Jigsy
And, adding ths suggestion would break everybody's scripts.
Yes, the think that i want to say is that the
on *:NICK:#mychan: {} will activated when a nickname change his/her nick and the NEWNICK is on the
#mychan channel!