NSXMLDocument, nodesForXPath with namespaces
I want to get a set of elements from a xml-file, but as soon the the elements involve namespaces, it fails. This is a fragment of the xml file: <gpx xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" version="1.0" creator="Groundspeak Pocket Query" xsi:schemaLocation="ht...