Omni Systems, Inc. Mif2Go User's Guide, Version 55
> 26 Identifying HTML table structure for WAI > 26.2 Associating table cells with header cells > 26.2.1 Specifying group properties for header cells > 26.2.1.1 Defining blocks of header cells
You can specify that a row- or column-header
cell should apply not just to the cells in its immediate row or column,
but to a larger group: a block of cells, possibly including other row-
or column-header cells. How the group property works depends on whether
you are using the scope
method or the id
/headers
method to associate body cells with header cells.
For example, if you use scope="colgroup"
in a column-header cell along with ColGroupElements=Yes
,
the table columns to which the header cell applies are all those in its
own <colgroup>
element. If you use id
/headers
instead, the setting for ColGroupElements
does not matter; Mif2Go does the work of making matching id
and headers
identifiers. They do the very same
job as scope+ColGroupElements
; the same associations
are made from header cells to body cells.
See §27.5 Using ColGroup and RowGroup cells for more information.