lt</kbd>+<kbd>D</kbd>
        </kbd>
      </td>
      <td>
        Excavate trail in current level
      </td>
    </tr>
    <tr>
      <td>
        <kbd class="compound">
          <kbd>Ctrl</kbd>+<kbd>Alt</kbd>+<kbd>X</kbd>
        </kbd>
      </td>
      <td>
        Clear trail in current level
      </td>
    </tr>
  </tbody>
</table>

<table class="shortcuts">
  <caption>Selection actions</caption>
  <tbody>
    <tr>
      <td>
        <kbd>M</kbd>
      </td>
      <td>Enter <em>Select (Mark) Mode<