| <schema xmlns="http://www.ascc.net/xml/schematron" > | |
| <pattern name="Test attribute"> | |
| <rule context="CCC"> | |
| <report test="parent::BBB and not(@id)">Attribute id is missing</report> | |
| <report test="not(parent::BBB) and @id">Attribute id is used in wrong context</report> | |
| </rule> | |
| </pattern> | |
| </schema> | |