rem: return t.replace(/^\s+|\s+$/g, ""); 
add: return (t||"").replace(/^\s+|\s+$/g, ""); 
context: 	trim: function(t){		return t.replace(/^\s+|\s+$/g, "");	},
meta: 5264	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/5264/a2482e5e87558edb2be67fd6e7369bb62168fde9/jquery.js/buggy/src/jquery/jquery.js