Yeah. It is sort of the Gold standard when it comes to hackable editors. What you can't do with hooks you do (carefully) with advices. But then again, it seems

Yeah. It is sort of the Gold standard when it comes to hackable editors. What you can't do with hooks you do (carefully) with advices. But then again, it seems to be aimed at beginners. Maybe the author didn't think Emacs was suitable for them.