Well then, once we get the jelly filling in there ...
This looks one of those things that's just so useful that once I become accustomed to it I'll hate trying to use anything else.[1] I generally don't like systems that try to completely wrap HTML in their own way of doing things, but this is so comprehensive that it seems to be what HTML was originally intended for. Like this is the first good HTML authoring tool.
[1] Like VI. (No VI/Emacs wars, please, I'm comparing it to a typical WYSIWIG editor.) When I switched back to a Windows system, I decided to give it a couple of weeks to re-qccquaint myself with WYSIWIG-style editing. I just can't do it. A couple of months later, I still find myself trying various keyboard shortcuts that don't exist here.
