And here's a small survey of lisp expression highlighting UIs from a few years ago, "Five approaches to s-expression highlighting": http://lemonodor.com/archive

And here's a small survey of lisp expression highlighting UIs from a few years ago, "Five approaches to s-expression highlighting": http://lemonodor.com/archives/2005/08/five_approaches.html http://lemonodor.com/archives/2005/08/five_approaches.html