<node name="sort_visitors" channel="inline" format="sort/bubble" model="">
    <node name="part" channel="inline" format="text/cybol-path" model=".domain.visitors"/>
    <node name="criterion" channel="inline" format="text/plain" model=".surname"/>
    <node name="descending" channel="inline" format="logicvalue/boolean" model="true"/>
</node>

<node name="sort_songs_by_title" channel="inline" format="sort/bubble" model="">
    <node name="part" channel="inline" format="text/cybol-path" model=".db.(#list)"/>
    <!-- The stack variable #list contains one of ".artist" or ".title" as child nodes of a song. -->
    <node name="criterion" channel="inline" format="text/plain" model=".(#list)"/>
</node>