Creating accessible tables
We're in the process of making a number of data tables accessible. In several examples on the web, I see the "id" attribute being used with the "headers" attribute in the same <th> cell.
You can see what I mean under "Very Complex Data Tables" at:
Or the markup at the bottom of:
While in other examples on the web, <th> is only used with the "id" attribute, and <td> is only used with the "headers" attribute.
Which is more correct for accessibility?