add: 3 in prefSpecs[i] ? prefSpecs[i][3] : null, null, 
context: function pm_addprefs(prefSpecs){    for (var i = 0; i < prefSpecs.length; ++i)    {        this.addPref(prefSpecs[i][0], prefSpecs[i][1],                     2 in prefSpecs[i] ? prefSpecs[i][2] : null);    }}
meta: 5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5872/7e998d1a2e81d56757ccb1d104bf94e8be456a0d/pref-manager.js/buggy/extensions/irc/js/lib/pref-manager.js