<option type="enum" id="opt/foo2hp-Quality">    <!-- A multilingual <comments> block can appear here, too;       it should be treated as documentation for the user. -->    <arg_longname> <en>Printing Quality</en> </arg_longname>    <arg_shortname> <en>Quality</en> </arg_shortname>    <arg_execution>        <arg_group>General</arg_group>	<arg_order>110</arg_order>	<arg_spot>A</arg_spot>	<arg_required />	<arg_substitution />	<arg_proto> %s </arg_proto>    </arg_execution>    <constraints>	<constraint sense="true">	<driver>foo2hp</driver>	<arg_defval>ev/foo2hp-Quality-Normal</arg_defval>	</constraint>    </constraints>    <enum_vals>	<enum_val id="ev/foo2hp-Quality-Normal">	    <ev_longname> <en>Normal Mode</en> </ev_longname>	    <ev_shortname> <en>normal</en> </ev_shortname>	    <ev_driverval></ev_driverval>	</enum_val>	<enum_val id="ev/foo2hp-Quality-Draft">	    <ev_longname> <en>Draft Mode</en> </ev_longname>	    <ev_shortname> <en>draft</en> </ev_shortname>	    <ev_driverval>-t </ev_driverval>	</enum_val>    </enum_vals></option>