message: add close button to test
diff: @@ -48,7 +48,8 @@ document.addEventListener('DOMContentLoaded', function () {
  options.subject = kb.the(target, UI.ns.ui('subject'))
  options.ordered = kb.the(target, UI.ns.ui('ordered')).value === '1'
  options.orientation = kb.the(target, UI.ns.ui('orientation')).value
  -
  + options.onClose = function(e) {} // Test it can make a close button is a good place
  + // todo: test both cases
  var tabs = div.appendChild(UI.tabs.tabWidget(options))
  return tabs
  }
  