Add test for #6481.

test/command/6481.md

@@ -0,0 +1,38 @@
+```
+% pandoc -t html5
+::: {.div-class}
++-------+-----+-----+-------------------------------------------------+
+| Col 1 | Col | Col | Col 4                                           |
+|       | 2   | 3   |                                                 |
++:=====:+:===:+:===:+:================================================+
+| High  | Med | Med | Some description of something.                  |
++-------+-----+-----+-------------------------------------------------+
+:::
+^D
+<div class="div-class">
+<table style="width:97%;">
+<colgroup>
+<col style="width: 11%" />
+<col style="width: 8%" />
+<col style="width: 8%" />
+<col style="width: 69%" />
+</colgroup>
+<thead>
+<tr class="header">
+<th style="text-align: center;">Col 1</th>
+<th style="text-align: center;">Col 2</th>
+<th style="text-align: center;">Col 3</th>
+<th style="text-align: left;">Col 4</th>
+</tr>
+</thead>
+<tbody>
+<tr class="odd">
+<td style="text-align: center;">High</td>
+<td style="text-align: center;">Med</td>
+<td style="text-align: center;">Med</td>
+<td style="text-align: left;">Some description of something.</td>
+</tr>
+</tbody>
+</table>
+</div>
+```