XML Flash ActionScript

package{
  import flash.display.Sprite;
  
  public class Main extends Sprite{
    public function Main(){
        var catalog:XML =               xmlns="http://www.w3.org/1999/xhtml">
          
            Catalog
          
          
            
              
                
                  Item
                  Price
                
                
                  Table
                  9.99
                
              
            
          
        
        
        var shopNS:Namespace = catalog.namespace("shop");
        
        //default xml namespace = shopNS;
        for each (var table:XML in catalog..table) {
          trace(table..desc + ": " + table..price);
        }
        
    }
  }
}