ions will be cached for future rendering runs.
        This setting should improve performance on systems where
        fonts have been configured using the "directory" or "auto-detect" tag mechanisms.
        By default this option is switched on.</td>
        <td colspan="1" rowspan="1">true</td>
      
</tr>
      
<tr>
        
<td colspan="1" rowspan="1">cache-file</td>
        <td colspan="1" rowspan="1">String</td>
        <td colspan="1" rowspan="1">This options specifies the file/directory path of 