<option type="enum" id="opt/foo2hp-PrinterType">
    <!-- A multilingual <comments> block can appear here, too;
       it should be treated as documentation for the user. -->
    <arg_longname> <en>Printer Type</en> </arg_longname>
    <arg_shortname> <en>PrinterType</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="flase">
	    <driver>foo2hp</driver>
	    <arg_defval>ev/foo2hp-PrinterType-z0</arg_defval>
	</constraint>
	<constraint sense="true">
	    <make>HP</make>
	    <model>Color LaserJet 1600</model>
	    <driver>foo2hp</driver>
	    <arg_defval>ev/foo2hp-PrinterType-z0</arg_defval>
	</constraint>
	<constraint sense="true">
	    <make>HP</make>
	    <model>Color LaserJet 2600n</model>
	    <driver>foo2hp</driver>
	    <arg_defval>ev/foo2hp-PrinterType-z0</arg_defval>
	</constraint>
	<constraint sense="true">
	    <make>HP</make>
	    <model>Color LaserJet CP1215</model>
	    <driver>foo2hp</driver>
	    <arg_defval>ev/foo2hp-PrinterType-z1</arg_defval>
	</constraint>
    </constraints>
    <enum_vals>
	<enum_val id="ev/foo2hp-PrinterType-z0">
	    <ev_longname> <en>z0 printer</en> </ev_longname>
		<!-- A multilingual <comments> block can appear here, too;
		 it should be treated as documentation for the user. -->
	    <ev_shortname> <en>z0</en> </ev_shortname>
	    <ev_driverval>-z0</ev_driverval>
	    <constraints>
	        <constraint sense="false">
		    <driver>foo2hp</driver>
	        </constraint>
	        <constraint sense="true">
		    <driver>foo2hp</driver>
		    <make>HP</make>
		    <model>Color LaserJet 1600</model>
	        </constraint>
	        <constraint sense="true">
		    <driver>foo2hp</driver>
		    <make>HP</make>
		    <model>Color LaserJet 2600n</model>
	        </constraint>
	    </constraints>
	</enum_val>
	<enum_val id="ev/foo2hp-PrinterType-z1">
	    <ev_longname> <en>z1 printer</en> </ev_longname>
		<!-- A multilingual <comments> block can appear here, too;
		 it should be treated as documentation for the user. -->
	    <ev_shortname> <en>z1</en> </ev_shortname>
	    <ev_driverval>-z1</ev_driverval>
	    <constraints>
	        <constraint sense="false">
		    <driver>foo2hp</driver>
	        </constraint>
	        <constraint sense="true">
		    <driver>foo2hp</driver>
		    <make>HP</make>
		    <model>Color LaserJet CP1215</model>
	        </constraint>
	    </constraints>
	</enum_val>
    </enum_vals>
</option>
