Message
If contained within <aff/> the element must also be contained within <contrib-group/>
Rule XPath:
This rule ASSERTS the following, raising an alert if FALSE:
ancestor::contrib-group or not(ancestor::aff)If contained within <aff/> the element must also be contained within <contrib-group/>
This rule ASSERTS the following, raising an alert if FALSE:
ancestor::contrib-group or not(ancestor::aff)