bug#31649: 26.1; cl-prin1 doesn't print #' and ignores print-quoted

[Gemini Lasswell]

Noam Postavsky <npostavs@gmail.com> writes:

>> * lisp/emacs-lisp/cl-print.el (cl-print-object) <cons>: Print quote
>> and its relatives as lists if print-quoted is nil. Add printing of
>                                                     ^
>                                                     double space
>
> I don't think "as lists" is the right description, maybe "with read
> syntax".

I'll fix the message. Should this go in master or emacs-26?