pandoc/test/command/10390.md

% pandoc -f mediawiki
 {| class="wikitable"
 |+ Overview of basic table markup
 ! Key
 |-
 | Value
 |}
^D
<table>
<caption>Overview of basic table markup</caption>
<thead>
<tr>
<th><p>Key</p></th>
</tr>
</thead>
<tbody>
<tr>
<td><p>Value</p></td>
</tr>
</tbody>
</table>