tml</a> for a
  demo.</p>

  <fieldset class="goog-debug-panel">
    <legend>Event Log</legend>
    <div id="log"></div>
  </fieldset>

  <script>
  var logger = goog.log.getLogger('demo');
  var logconsole = new goog.debug.DivConsole(goog.dom.getElement('log'));
  logconsole.setCapturing(true);

  var events = goog.object.getValues(goog.history.EventType);
  goog.log.info(logger, 'Listening for: ' + events.join(', ') + '.');

  var h = new goog.History(true, 'history_blank.html');
  goog.events.listen(h, e