bug#58168: string-lessp glitches and inconsistencies

[Eli Zaretskii]

> Cc: 58168@debbugs.gnu.org
> From: Lars Ingebrigtsen <larsi@gnus.org>
> Date: Fri, 30 Sep 2022 15:52:12 +0200
> 
> You also have
> 
> (string 4194176)
> => "\200"
> "\x80"
> => "\200"
> 
> which are kinda equal in some ways, and not in other ways.

So are "A" and "𝙰", or "א" and "ℵ": kinda equal in some ways, but not
in others.  That doesn't mean they should compare equal.