<option type="float" id="opt/bjc250gs-BlueGamma">
  <!-- A multilingual <comments> block can appear here, too;
       it should be treated as documentation for the user. -->
  <arg_longname>
   <en>Gamma (Blue Component)</en>
  </arg_longname>
  <arg_shortname>
   <en>BlueGamma</en><!-- backends only know <en> shortnames! -->
  </arg_shortname>
  <arg_execution>
   <arg_group>Adjustment</arg_group>
   <arg_order>370</arg_order>
   <arg_spot>A</arg_spot>
   <arg_substitution />
   <arg_proto> -dBlueGamma=%s</arg_proto>
  </arg_execution>
  <constraints>
     <constraint sense="true">
      <driver>bjc250gs</driver>
      <arg_defval>1.0</arg_defval>
     </constraint>
  </constraints>
  <arg_max>10.0</arg_max>
  <arg_min>0.0</arg_min>
</option>
