As someone who has from time to time written on parsing, and even published some parsing research, I get asked questions about parsing fairly regularly, some of which I’m even capable of answering. One thing that I’ve increasingly been made aware of is a widening interest in “fancier” ways of editing text. In essence, most people who’ve been programming for a while come to realise that having an editor that only thinks of a program as a sequence of UTF-8 characters is rather limiting. I suspect ...