Complex tables
--------------

Here's a complex table, which should test all features.

+------------------------+------------+----------+----------+
| Header row, column 1   | Header 2   | Header 3 | Header 4 |
| (header rows optional) |            |          |          |
+========================+============+==========+==========+
| body row 1, column 1   | column 2   | column 3 | column 4 |
+------------------------+------------+----------+----------+
| body row 2             | Cells may span columns.          |
+------------------------+------------+---------------------+
| body row 3             | Cells may  | - Table cells       |
+------------------------+ span rows. | - contain           |
| body row 4             |            | - body elements.    |
|                        | Paragraph. |                     |
+------------------------+------------+----------+----------+
| body row 5             | Cells may also be     |          |
|                        | empty: ``-->``        |          |
+------------------------+-----------------------+----------+