1*7c568831SAndroid Build Coastguard Worker<schema xmlns="http://www.ascc.net/xml/schematron" > 2*7c568831SAndroid Build Coastguard Worker <pattern name="Attributes present"> 3*7c568831SAndroid Build Coastguard Worker <rule context="BBB"> 4*7c568831SAndroid Build Coastguard Worker <assert test="not(@aaa) or (@aaa and @bbb)">The element must not have an isolated aaa attribute</assert> 5*7c568831SAndroid Build Coastguard Worker <assert test="not(@bbb) or (@aaa and @bbb)">The element must not have an isolated bbb attribute</assert> 6*7c568831SAndroid Build Coastguard Worker </rule> 7*7c568831SAndroid Build Coastguard Worker </pattern> 8*7c568831SAndroid Build Coastguard Worker</schema> 9