[itishappy]

What if I wanted an <h2>?

Edit: I don't mean this flippantly. If I want to render, say, my blog entry on your site, will I need to select every markup element from a dropdown list of custom elements that only accept text a la Wordpress?

[DoctorOW]

If it's anything complex I'm doing it server side, personally

[itishappy]

That works fine. That said, client side JS solutions are already quite popular.