<schema xmlns="http://www.ascc.net/xml/schematron" >
     <pattern name="Root test">
          <rule context="/*">
               <assert test="name()='AAA'">Root element is
                    <name/>, not AAA
               </assert>
               <report test="name()='AAA'">Root element is AAA</report>
          </rule>
     </pattern>
</schema>