The Emacs source code was always impressive to me. Much is lisp, but even the primitives (like buffer) that are written in C use macros to maintain semantic pa

The Emacs source code was always impressive to me. Much is lisp, but even the primitives (like buffer) that are written in C use macros to maintain semantic parity with the lisp code, defining macros like EQ and DEFUN. It's kind of fun to read (for me, anyway). https://github.com/emacs-mirror/emacs/blob/master/src/buffer.c https://github.com/emacs-mirror/emacs/blob/master/src/buffer...