bug#40693: 28.0.50; json-encode-alist changes alist

[Dmitry Gutov]

On 29.04.2020 13:30, Eli Zaretskii wrote:
> > From: "Basil L. Contovounesios" <contovob@tcd.ie>
> > Date: Wed, 29 Apr 2020 11:11:38 +0100
> > Cc: Ivan Andrus <darthandrus@gmail.com>, 40693@debbugs.gnu.org
> >
> > > Eli, would this be okay for emacs-27?
> >
> > Any chance of getting this fix in?
>
> No one tried to come up with arguments why this has to be in emacs-27.

Let me try:

It fixes a bug, one which could be annoying to investigate, the fix is 
small and localized to the case when json-encoding-object-sort-predicate 
is non-nil (so pretty safe).

It's not a regression from Emacs 26, though.