Why can’t I just write this up as a PR to Firefox and stand a snowball’s chance of getting it merged, though? Everything’s somehow simultaneously extremely stodgy and completely beholden to whatever Google decides to ship this week.

Why don’t browsers know how to render a Markdown content-type yet, all by themselves? It’s ubiquitous now and it’s not like it’s hard to parse, but every site has to translate it into HTML itself for the browser.