One of my colleagues is a old Unix hacker (one of my favourite things to do is get him ranting about his least favourite OS of all time, HP-UX 8.x). I have wondered before what editor he uses, and once when I peeked over his shoulder I saw that it was MicroEMACS. At the time I thought it might be a neat GNU Emacs clone with a smaller footprint, but no, it’s nothing of the kind. Old habits die hard.