rem: matched.push( cur ); 
add: if ( cur.nodeType == 1 ) matched.push( cur ); 
context: 	dir: function( elem, dir ){		var matched = [];		var cur = elem[dir];		while ( cur && cur != document ) {			matched.push( cur );			cur = cur[dir];		}		return matched;	},
meta: 1307	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/1307/899ee03d37b6cbe6d0e8abc497026d611325cfba/selector.js/buggy/src/selector.js