Omitting the header above the divider produces a headerless table in at least Perl Text::MultiMarkdown and in FletcherPenney MultiMarkdown
|-------------|--------|
|**Name:** |John Doe|
|**Position:**|CEO |
See PHP Markdown feature request
Empty headers in PHP Parsedown produce tables with empty headers that are usually invisible (depending on your CSS) and so look like headerless tables.
| | |
|-----|-----|
|Foo |37 |
|Bar |101 |