It almost accepts the Markdown syntax for footnotes, but it just kind of eats the footnote.1
The number is there but the actual footnote text doesn’t appear. How odd.
| Lenni | Robin |
cool? | Yes | Also Yes2 |
narcissist? | Yes | Not Really |
overly long name? | Yes | Yes |
alternate name? | Lenni | Dr. Ravenswood |
It looks like the table syntax works3, at least.