Rowspan in mixed header/non header content leads to weird table structure

[tripodsan]

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| Issue category  | Tutorial-Link                 |
|                 +================+==============+
|                 | Internal Link  | Partner Link |
+-----------------+----------------+--------------+
| Accessibility an| <https://captiv| <https://capt|
| Making PDF Acces|                |              |
+-----------------+----------------+--------------+

In this case, the header should auto-expand to cover the rowspan of the first cell.