rem: rv += p + ", "; 
add: rv += rv ? ", " + p : p; 
context: function keys (o){    var rv = "";        for (var p in o)        rv += p + ", ";    return rv;    }
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/98975be6506816e9e8674a676a042a647102accf/utils.js/clean/extensions/irc/js/lib/utils.js