1<schema xmlns="http://www.ascc.net/xml/schematron" > 2 <pattern name="Test count"> 3 <rule context="/*"> 4 <report test="count(//BBB) = count(//AAA)">O.K.</report> 5 <assert test="count(//BBB) <= count(//AAA)">Some AAA are missing</assert> 6 <report test="count(//BBB) < count(//AAA)">Some BBB are missing</report> 7 </rule> 8 </pattern> 9</schema> 10 11