Blog post contemplating how markdown tables should be defined. David Wheeler, 2009-02

A multi-format markdown processor …

Sadly, MMD does not appear to provide markdown to markdown formatting.

MMD's tables are not entirely compatible with psv, for example:

• multiple pipe-characters, e.g. ||, are used to indicate cells which span multiple columns. psv does not support merged cells.
• MMD allows dot . in a ruler, but does not indicate that this has any special meaning. psv uses . and .. as column justification hints.
• MMD allows table rows to begin without a | character. psv requires that every table row begin with a |