Testing 'table rules=groups'. There should only be rules around each row group and column group in the tables below.
Table 1. Column groups
Test: Rules should only separate column GROUPS. There should be NO rules between the first two columns or the last two columns.
| Column group 1 | Column group 1 | Column group 2 | Column group 2 |
Table 2. Row groups
Test: Rules should only separate row GROUPS. There should be NO rules between the rows inside THEAD, TBODY, or TFOOT.
| THEAD |
|---|
| THEAD |
| TFOOT |
| TFOOT |
| TBODY |
| TBODY |