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, contr...

Last week I announced Port, a small prepl client for Emacs. That post focused on Port itself, but writing it left me with the itch to do a follow-up on the bigger picture, because the socket REPL /...

I think I’ll take my REPL neat My parens black and bed at three CIDER’s too sweet for me… – Bozier Last week I announced Port, a small prepl client for Emacs. Today I’m following it up with ...

For ages I’ve had “add prepl support to CIDER” sitting somewhere in the back of my head. CIDER is built firmly around nREPL, but prepl ships with Clojure itself, and the appeal of dropping the exte...

I promised I’d take a break from building Tree-sitter major modes, and I meant it. So what better way to relax than to build… color themes? Yeah, I know. My idea of chilling is weird, but I genuine...

I’m pretty much done with the focused development push on neocaml – it’s reached a point where I’m genuinely happy using it daily and the remaining work is mostly incremental polish. So naturally, ...

When I released neocaml 0.1 last month, I thought I was more or less done with the (main) features for the foreseeable future. The original scope was deliberately small — a couple of Tree-sitter-po...

The keyboard is the most important tool for a programmer. Choose wisely. I’m a keyboard nerd. I’ve owned several great keyboards over the years, starting with the legendary Das Keyboard 3 Ultimat...

I’ll admit it: when I first started using Claude Code, I mostly ignored the built-in skills. Everyone online was saying “go make your own skills,” so that’s what I did. I wrote custom skills for al...

Most programming languages I’ve used have some form of string interpolation. Ruby has "Hello, #{name}!", Python has f-strings, JavaScript has template literals, even Haskell has a few popular inter...