tgroup — A wrapper for the main content of a table, or part of a table
TGroup surrounds a logically complete portion of a table.
Most tables consist of a single
TGroup, but complex tables
with widely varying column specifications may be easier to code using
TGroup specifies the number of columns in the table,
and contains all of the header, body, and footer
rows, along with any additional column or span specifications
necessary to express the geometry of the table.
Most of the properties of rows, columns, and cells inherit their
default characteristics from the enclosing
Specifies the presence or absence of the column separator
Specifies the presence or absence of the row separator