Message
start_date must not be after end_date if both attributes are present
Rule XPath:
This rule REPORTS an alert when the following is TRUE:
@start_date and @end_date and @start_date gt @end_datestart_date must not be after end_date if both attributes are present
This rule REPORTS an alert when the following is TRUE:
@start_date and @end_date and @start_date gt @end_date