rem: e.server.whois(e.nickname); 
add: for (var i = 0; i < e.nicknameList.length; i++) { if ((i < e.nicknameList.length - 1) && (e.server.toLowerCase(e.nicknameList[i]) == e.server.toLowerCase(e.nicknameList[i + 1]))) { e.server.whois(e.nicknameList[i] + " " + e.nicknameList[i]); i++; } else { e.server.whois(e.nicknameList[i]); } } 
context: function cmdWhoIs (e){    e.server.whois(e.nickname);}
meta: 3298	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/3298/1580aaaf828e73b385aa221622748913cbed589a/commands.js/buggy/xul/content/commands.js