rem:  var nc = elem.nextSibling; while(nc && (nc.nodeType != 1)){ nc = nc.nextSibling; 
add:  var fc = elem.previousSibling; while(fc && (fc.nodeType != 1)){ fc = fc.previousSibling; 
context: 				return function(elem){					if(elem.nodeType != 1){ return false; }					// check to see if any of the next siblings are elements					var nc = elem.nextSibling;					while(nc && (nc.nodeType != 1)){						nc = nc.nextSibling;					}					return (!nc);				}
meta: 4497	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/4497/09579b395fb7218b2d302700cecdf103de080ba6/query.js/buggy/_base/query.js