According to the top Emacs info page, Emacs is the extensible, customizable, self-documenting, real-time display editor. It is extensible because it is written in Emacs Lisp, or elisp, a dialect of ...

But I don’t understand it. Why? Because it’s written in LISP, for GNU’s sake, and because it references all manner of cryptic internal variables that emacs uses under the hood.

While this article shows C development, Emacs has support for other languages as well, including C++, assembly, Scheme, Java, Ada, IDL, Makefiles, Lisp (including Emacs Lisp, the language in which ...