rem: nick = nick.toLowerCase(); 
add: nick = this.parent.toLowerCase(nick); 
context: function chan_getuser (nick) {    nick = nick.toLowerCase();    if (nick in this.users)        return this.users[nick];    return null;}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/1510f752280b7d41b574be8389ac766381968b15/irc.js/buggy/extensions/irc/js/lib/irc.js