Character folding in searches is likely useful: simple letters like "a" also match "á", "à", "ä"; quote char " also matches “ and ” and so on.
(setq search-default-mode #'char-fold-to-regexp) (setq search-default-mode #'char-fold-to-regexp)That's emacs.
Seriously, emacs is pure distilled awesome. I honestly don't know why anyone uses anything else, or writes code for anything else.