<option type="int" id="opt/cZ11somsom-DitherPPI">
  <!-- A multilingual <comments> block can appear here, too;
       it should be treated as documentation for the user. -->
  <arg_longname>
   <en>Dithering PPI</en>
  </arg_longname>
  <arg_shortname>
   <en>DitherPPI</en><!-- backends only know <en> shortnames! -->
  </arg_shortname>
  <arg_execution>
   <arg_group>Adjustment</arg_group>
   <arg_order>100</arg_order>
   <arg_spot>A</arg_spot>
   <arg_substitution />
   <arg_proto> -dDITHERPPI=%s</arg_proto>
  </arg_execution>
  <constraints>
     <constraint sense="true">
      <driver>cZ11somsom</driver>
      <arg_defval>300</arg_defval>
     </constraint>
  </constraints>
  <arg_max>600</arg_max>
  <arg_min>20</arg_min>
</option>
