<topicSubjectRow>The <topicSubjectRow> is a grouping element that contains one row
of a subject table. It contains topic references in the first column, and relates those references
to the subjects in each following column.
See appendix for information about this element in OASIS document type shells.
+ map/relrow classify-d/topicSubjectRow
For a complete example in the context of the
<topicSubjectTable>, see Example.
The following attributes are available on this element: Universal attribute group.