"Markdown" support in chat [bold, italics, underlined, strikethrough, inline code, labeled links, delimited links]

Related:

a desktop arcane chat would be nice for the md support. until then we’re stuck w dchat client

Everything has been said. Chatmail core should not support Markdown. Html is a wiser path (or something else equivalent).

Then, nothing prevent the clients to implement Markdown realtime interpretation (meaning you write in markdown and it is immediately converted to WYSIWYG).