The <tgroup> element in a table contains the header and body rows of a table.

Content models

See appendix for information about this element in OASIS document type shells.


- topic/tgroup


See <table>.


The following attributes are available on this element: Universal attribute group, @outputclass, and the attribute defined below. This element also uses @colsep, @rowsep, and @align from Complex-table attribute group.

@cols (REQUIRED)
Indicates the number of columns in a <tgroup>.

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