code: def _load_builtin_xml(xmlpath, parser):
      
      #First we need to get hold of the fortpy directory so we can locate
      #the isense/builtin.xml file.
      result = {}
  
      el = ET.parse(xmlpath).getroot()
      if el.tag == "builtin":
          for child in el:
              anexec = _parse_xml(child, parser)
              result[anexec.name.lower()] = anexec
  
      return result
docs: Loads the builtin function specifications from the builtin.xml file.
  
      :arg parser: the DocParser instance for parsing the XML tags.