ll character pixel sizes.  For more information on face flags,
          please read the <a
          href="../reference/ft2-index.html">FreeType&nbsp;2 API
          Reference</a>.</p>
        </td>
      </tr>
      <tr valign="top">
        <td>
          <tt>units_per_EM</tt>
        </td>
        <td>
          <p>This field is only valid for scalable formats (it is set
          to&nbsp;0 otherwise).  It indicates the number of font units
          covered by the EM.</p>
        </td>
      </tr>
    