There is an editor, zile I think, that started out as a lightweight emacs clone but was eventually rewritten to be to Lua what GNU Emacs / XEmacs is to Lisp. I

There is an editor, zile I think, that started out as a lightweight emacs clone but was eventually rewritten to be to Lua what GNU Emacs / XEmacs is to Lisp. I am not sure how far along they are, but I like the idea, because Lua is a really sweet language for this kind of task.