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Re:Ask HN: Alternative to Emacs with Undo-tree functionality? by HaroldPD on Sunday October 27, 2024 @03:36AM (#41960528)
Epsilon editor from https://www.lugaru.com/

Stable and fast with EMACS-style behaviour and key assignments.

Has C-like extension language named EEL that you could convert / re-write the vundo tree in.

Re:Ask HN: Alternative to Emacs with Undo-tree functionality? by achempion on Tuesday October 29, 2024 @05:39PM (#41989689)
Does it support syntax highlighting for modern languages? What about having multiple languages in one file (.tsx or .heex, for example)?
Re:Ask HN: Alternative to Emacs with Undo-tree functionality? by petepete on Thursday October 31, 2024 @06:33AM (#42005372)
I love that Epsilon is still live and kicking. I've only ever met one person who used it but he was truly at one with the editor and traversed a large complex codebase with ease.
Re:Ask HN: Alternative to Emacs with Undo-tree functionality? by kragen on Thursday October 31, 2024 @10:22AM (#42007208)
I used to use ϵpsilon, but then 32 years ago I got access to GNU Emacs, and I didn't look back. Maybe it's gotten better since then.