I’ve been using Emacs for many years, using it for any writing for my website, writing my books, and most of my programming. (Exceptions have been IntellJ IDEA for Java and RStudio for R.) As such I’ve been happy to see a lot of activity in the last few years to improve Emacs’s capabilities, making it feel rather less than a evolutionary dead end. One of the biggest improvements to my Emacs experience is using regexs for completion lists. Many Emacs commands generate lists of things to pick from...