Emacs

Notes and deep dives into the Emacs ecosystem, from configuration to Lisp optimization.

2026

May 14 Emacs Internal #04: Interval Trees — Balancing by Text Length, Not Node Count

Mar 12 Emacs Internal #03: Tagged Union, Tagged Pointer, and Poor Man's Inheritance

Mar 05 Emacs Internal #02: Data First — Deconstructing Lisp_Object in C

Feb 26 Emacs Internal #01: is a Lisp Runtime in C, Not an Editor