XXX A good XPointerResult would probably mimic XPathresult,
     this range list is just the minimum that will be able to represent
     all return values, although it would be more user friendly to return
     nodes and node lists when they are possible.
[scriptable, uuid(d3992637-f474-4b65-83ed-323fe69c60d2)]
interface nsIXPointerResult : nsISupports

Attributes


          
readonly attribute unsigned long length

Methods


          
nsIDOMRange item(in unsigned long index)