#foreach( $i in [])
    $i
  #else
    empty
  #end

~~~~ #foreach($i in []) #else empty #end ~~~~

<table>
  <tbody>
#foreach($row in [1..1])
    <tr>
  #foreach($col in [])
      <td>
        ghost
      </td>
  #else
      <td>
        nobody
      </td>
  #end
    </tr>
#end
  </tbody>
</table>