Message
The column referenced by namest should not be to the right of the column referenced by nameend
Rule XPath:
This rule ASSERTS the following, raising an alert if FALSE:
let $st := (@namest, '0')[1] returnlet $end := (@nameend, '0')[1] return$st eq $end or ancestor::oasis:tgroup/oasis:colspec[@colname=$st]/following-sibling::oasis:colspec[@colname=$end]