1 <schema xmlns="http://www.ascc.net/xml/schematron" > 2 <pattern name="Open model"> 3 <rule context="AAA"> 4 <assert test="BBB"> BBB element is not present</assert> 5 <assert test="CCC"> CCC element is not present</assert> 6 </rule> 7 </pattern> 8 <pattern name="Closed model"> 9 <rule context="AAA"> 10 <assert test="BBB"> BBB element is not present</assert> 11 <assert test="CCC"> CCC element is not present</assert> 12 <assert test="count(BBB|CCC) = count (*)">There is an extra element</assert> 13 </rule> 14 </pattern> 15 </schema> 16
