pandoc-3.14: test/command/12063.md

```
% pandoc -f rst -t gfm
======== ====================
Suffix   Meaning
======== ====================
-set     Set a list of items
-append  Append single item
======== ====================
^D
| Suffix  | Meaning             |
|---------|---------------------|
| -set    | Set a list of items |
| -append | Append single item  |
```