Last I looked Emacs comes with a million lines of Lisp code extending Emacs way beyond normal editing. Emacs easily is a text-based IDE. I for example use the

Last I looked Emacs comes with a million lines of Lisp code extending Emacs way beyond normal editing. Emacs easily is a text-based IDE. I for example use the SLIME extension with GNU Emacs to make it into a Common Lisp IDE. Now we can ask if the depth of GNU Emacs makes sense and if the UI usable. But there is little doubt that Emacs is WAY beyond being a simple text editor. See ORG mode, GNUS, ...