</span></pre></div>             </td>           </tr>                               <tr id="section-6">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-6">&#182;</a>               </div>               <h2>manager.canUndo()</h2>

<p>Returns <code>true</code> if there are any states to undo
to, `false otherwise.</p>             </td>             <td class="code">               <div class="highlight"><pre>  <span class="nv">canUndo: </span><sp