rem: delete this.users[this.parent.toLowerCase(nick)]; 
add:  nick = this.parent.toLowerCase(nick); if (nick in this.users) delete this.users[nick];   nick = this.parent.toLowerCase(fromUnicode(nick, this.parent)); if (nick in this.users) delete this.users[nick]; 
context: function chan_removeuser (nick){    delete this.users[this.parent.toLowerCase(nick)]; // see ya}
meta: 3298	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/3298/703717eb72f3378c625c0fefe679e646d1c5b0ff/irc.js/buggy/js/lib/irc.js