+ <tr>
+ <td height="26" align="left"><b><font face="Liberation Serif" size=4> Edit</font></b></td>
+ <td align="left"><font face="Liberation Serif" size=4>Undo clear</font></td>
+ <td align="left"><font face="Liberation Serif" size=4>'Ctrl-z'</font></td>
+ <td align="left"><font face="Liberation Serif" size=4>Undo from history previous operation</font></td>
+ </tr>