https://blog.yuvalshavit.com/2013/06/a-first-peek-at-effes.html
Yuval Shavit: A first peek at Effes
I've been playing around in vim with some ideas, and I think I have an idea of how I want Effes to look. Here's a dime tour. It's a bit long...
a firstyuvalshavitpeekeffes