RE: Recentish C-s M-y change

[Drew Adams]

> Except that with many control characters defined, it is hard to
> remember which ones are defined -- hard to be confident that a given
> control character is one that will exit the search for you.

To this point (only), let me point out that we will
have `describe-keymap' (in Emacs 28, I guess), to
which you can enter `isearch-mode-map' at the prompt
to see all of its key bindings human-readably.

That should help, at least.