     <dt>Action:</dt>
     <dd id="action"></dd>
   </dl>
+  <pre id="help">
+  </pre>
 """
 document.body.appendChild(div)
 

  document
    .getElementById('context')
    .innerHTML = ctx
  listnr.activate(ctx)

matchingHandler = (combo) ->

    .innerHTML = "No mapping for '#{combo}'"

listnr
  .map('a', 'Mapping for "a"', matchingHandler)
  .map('c', 'Switch to menu context', -> setContext('menu'))
  .default(defaultHandler)
  .addContext('menu')
  .map('b', 'Mapping for "b"', matchingHandler)
  .map('d', 'Switch to default context', -> setContext('default'))
  .default(defaultHandler)

setContext('default')
