rem: return expr ? jQuery.filter(expr,this).r.length > 0 : this.length > 0; 
add: return expr ? jQuery.filter(expr,this).r.length > 0 : false; 
context: 	is: function(expr) {		return expr ? jQuery.filter(expr,this).r.length > 0 : this.length > 0;	},
meta: 1375	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/1375/97ea47492fe13ddb1108045c244d5af6570ace92/jquery.js/clean/src/jquery/jquery.js