OK that is good to know. But should I not then be able to test for th[@rowspan='2'], since this is not the default value? I have tried this actually, and it has no effect.

Hi Given the following XML (I'm validating against JATS 1.1 Archiving DTD): ... <thead> <tr> <th rowspan="2">Year</th> <th colspan="6" rowspan="1"> <italic>n</italic> (&#x0025;) by LFA</th> <th rowspan="2">Overall</th> </tr> ... I have the following Schema...