bug#52394: 27.2; Isearch with char folding enabled doesn’t match equivalent strings

[Eli Zaretskii]

> From: Juri Linkov <juri@linkov.net>
> Cc: greselin.andrea@gmail.com,  52394@debbugs.gnu.org
> Date: Sun, 12 Dec 2021 20:54:51 +0200
> 
> But doesn't this line
> 
>   "when this variable is customized to non-nil"
> 
> imply that the default is nil?

No, it doesn't.

> Or maybe the nil default value should be mentioned in the doc
> string?

That would help.  It would also help to make the default value nil,
literally, not via some defconst.  Why do we need to obfuscate the
source code?