Intro So, Emacs 31 has been released, and a lot of shiny new stuff is there, ready for us to play with. You probably heard of this new markdown-ts-mode and decided to check it out. And guess what? On Emacs … Read more
A common refrain is that Emacs is an operating system (OS). This isn’t true, but what invites comparison to an OS is its ability to orchestrate applications and utilities above the OS kernel level. The diagram below suggests a truer … Read more
A few months ago I became obsessed with a silly question: why does my Emacs, on a laptop with a perfectly capable GPU, draw all of its text using the CPU? And that led to others: why can’t I play … Read more
Karthik Chikmagalur recently published another of his excellent “Even More Batteries Included with Emacs” posts, digging into lesser-known features that already ship with Emacs today. I wanted to write its mirror image. His post covers the batteries already in the … Read more
As an Emacs user, few things are as delightful as catching my favorite text editor out in the wild. It doesn’t happen often though – Emacs is niche, and pop culture rarely gives it a nod. This post tracks down … Read more
i3 uses xcb_grab_key() with owner_events = 0 on the root x window to intercept keys. the relevant code in src/bindings.c looks like all unpatched code snippets refer to i3 4.25.1, if you want to follow along. 172struct Binding_Keycode *binding_keycode; 173TAILQ_FOREACH(binding_keycode, … Read more
It started like this: PoC: Vim maintainers fixed the issue immediately. Everybody is encouraged to upgrade to Vim v9.2.0272. Full advisory can be found here. The original prompt was simple: Somebody told me there is an RCE 0-day when you … Read more
It’s tough to make predictions, especially about the future. – Yogi Berra I’ve been an Emacs fanatic for over 20 years. I’ve built and maintained some of the most popular Emacs packages, contributed to Emacs itself, and spent countless hours … Read more
March 05, 2026 [c, project, compiler, emacs] #c #system-design #history #lisp #compiler In the first part of this GNU Emacs series, I focused on the history and explains why there is a Lisp interpreter embedded inside a text editor. Before … Read more
Most companies that employ me, hand me a “work laptop” as I enter the building. Of course, I do not install personal software and keep a clear division between my “work like” and my “real life.” However, I also don’t … Read more