<?xml version="1.0"?>
<rules xmlns="http://purl.oclc.org/dsdl/nvdl/ns/structure/1.0"
       startMode="ul">
     <mode name="ul">
         <namespace ns="http://www.w3.org/1999/xhtml">
             <validate schema="ul.xsd"
                       useMode="li" />
         </namespace>
     </mode>
     <mode name="li">
         <namespace ns="http://www.w3.org/1999/XSL/Transform">
             <unwrap />
         </namespace>
         <namespace ns="http://www.w3.org/1999/xhtml">
            <attach />
         </namespace>
     </mode>
</rules>