code: def parse_xml_node(self, node):
          '''Parse an xml.dom Node object representing a message sending object
          into this object.
  
          '''
          self._targets = []
          for c in node.getElementsByTagNameNS(RTS_NS, 'targets'):
              if c.getElementsByTagNameNS(RTS_NS, 'WaitTime'):
                  new_target = WaitTime()
              elif c.getElementsByTagNameNS(RTS_NS, 'Preceding'):
                  new_target = Preceding()
              else:
                  new_target = Condition()
              new_target.parse_xml_node(c)
              self._targets.append(new_target)
          return self parse_xml_node(self, node):
          '''Parse an xml.dom Node object representing a message sending object
          into this object.
  
          '''
          self._targets = []
          for c in node.getElementsByTagNameNS(RTS_NS, 'targets'):
              if c.getElementsByTagNameNS(RTS_NS, 'WaitTime'):
                  new_target = WaitTime()
              elif c.getElementsByTagNameNS(RTS_NS, 'Preceding'):
                  new_target = Preceding()
              else:
                  new_target = Condition()
              new_target.parse_xml_node(c)
              self._targets.append(new_target)
          return self
docs: Parse an xml.dom Node object representing a message sending object
          into this object.