var
  lDoc, lXSL, lRes: IXMLDocument;
  lUTF8Str        : UTF8String;
begin
  lDoc := LoadXMLData(AXMLString);
  lXSL := LoadXMLData(cRemoveNSTransform);
  lRes := NewXMLDocument;
  lDoc.Node.TransformNode(lXSL.Node,lRes);  // Param types IXMLNode, IXMLDocument
  lRes.SaveToXML(lUTF8Str);