1<schema xmlns="http://www.ascc.net/xml/schematron" > 2 <pattern name="Predefined values"> 3 <rule context="AAA"> 4 <report test="normalize-space(.) = 'aaa' or normalize-space(.) = 'bbb'">O.K.</report> 5 <assert test="normalize-space(.) = 'aaa' or normalize-space(.) = 'bbb'">The AAA value is not permitted.</assert> 6 </rule> 7 </pattern> 8</schema> 9