Syntax
      
      
          
          
            
              
                GET-QNAME-BY-INDEX ( index ) 
               | 
            
          
        
 
      
        
          - 
            index
          
 
          - An integer expression indicating the 1-based index of the attribute.
 
        
      
      Looks
up an attribute's XML qualified name by index. Returns Unknown value (?) if
the index is less than 1 or greater than the value of the SAX-attributes
object's NUM-ITEMS attribute.