rem: rv += rv ? ", " + p : p; 
add: rv.push(p); 
context: function keys (o){    var rv = "";        for (var p in o)        rv += rv ? ", " + p : p;    return rv;    }
meta: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/8395/ee3e25cd866563b5083f4eb42f44f9b25afaeeda/utils.js/clean/extensions/irc/js/lib/utils.js