Emacs features have a discoverability problem, and we’re chipping away at it one demo at a time. The years since I wrote the last one of these have yielded more surprising and useful finds, so it’s time again for a “batteries included” report. Note This is the third in a series of articles highlighting useful but lesser-known features included in Emacs. Parts 1 & 2: Batteries included with Emacs More batteries included with emacs “Lesser-known” is a subjective judgment. Roughly, it means that at the time of writing, I have seen these features mentioned fewer than five times – and often never – in the past two decades of dipping in and out of online Emacs discourse. Some of the features covered in past entries are well known and often recommended today. I claim no credit. If you’re a new Emacs user, don’t start here . This is not a getting-started guide. You will be better served by grokking basic Emacs concepts and sticking to the most widely recommended packages.…