Implement Emacs Lisp and throw in evil-mode. Now you can run the world's most extensible editor with Vim bindings INSIDE EXCEL!! Also, Emacs's org-mode impleme

Implement Emacs Lisp and throw in evil-mode. Now you can run the world's most extensible editor with Vim bindings INSIDE EXCEL!! Also, Emacs's org-mode implements some basic spread-sheet utilities, so...