History

Time	Change
2016-04-27 08:05:32+00:00	Associated with <th>
2016-04-27 08:05:32+00:00	Associated with TH
2016-04-27 08:05:32+00:00	Associated with <TH>
2016-04-27 08:05:32+00:00	Associated with HTMLTableHeaderCellElement