bug#49869: Revert buffer? Yes/No/Maybe

[Eli Zaretskii]

> From: Juri Linkov <juri@linkov.net>
> Date: Wed, 04 Aug 2021 11:45:18 +0300
> 
> There is a new short keybinding to revert the current buffer -
> just 3 keys: 'C-x x g'.  But then it asks for a confirmation
> with 4 keys: 'y e s RET' that is even longer than the command keys.
> This defeats the purpose of having the short key sequence.
> Does 'C-x x g' really need a confirmation?

It's quite a drastic measure, so I think it does need a confirmation.
E.g., if the changes you revert exceed the value of undo-limit, you
could really lose your edits.

Since we now have the use-short-answers option, why is it a problem to
have to confirm, if you could make it a single key?