untabification en · NOUN
Etymology
From un- + tabification.
Meanings
-
(uncountable) The process of untabifying.
Well, _if_ you're going to do untabification, I guess it's best to keep it separate, but ... I think in general it's a very bad idea to make widespread source changes for purely cosmetic reasons[…]
2007, Miles Bader, “untabify Lisp sources”, in gnus.ding (Usenet):It makes untabification a bit easier, since you can do it all at once with the simple sequence C-x h ESC x untabify RETURN.
1996, Debra Cameron, Bill Rosenblatt, Eric S. Raymond, Learning GNU Emacs, page 221: