Once you learn a little elisp, Emacs becomes this hyper malleable editor/platform. A live playground of sorts, where almost everything is up for grabs at runtime. Throw some elisp at it, and you can customize or extend almost anything to your heart's content. I say almost, as there's a comparatively small native core, that would typically require recompiling if you wanted to make further (native) mods. But that isn't entirely true. Emacs 25 enabled us to further extend things by loading nativ...
