An interesting config with a fair amount of customization. The author tries to display how Emacs can be configured with a moderate amount of knowledge of Elisp.

Discovered by Sacha Chua's excellent "Emacs news" column.
Emacs News: https://sachachua.com/blog/2025/03/2025-03-03-emacs-news/
Original Reddit post: https://www.reddit.com/r/emacs/comments/1ixfhja/my_emacs_config/
Other links: https://irreal.org/blog/?p=12813