Stef Epardaud <stef(a)lunatech.com> writes:
if you can't tell, should it not be an option?
There is such an option. It's called `case-fold-search'.
I agree with Didier. Even disregarding the principle of not making
the feature *too* clever, he has actually come up with an example
where your logic would fail (emacs -> EMACS).