bug#48478: 28.0.50; yank-from-kill-ring and kill-ring-yank-pointer

[Juri Linkov <juri@linkov.net>]

>> > However, I'm not sure I understand what happens when I edit the
>> > kill-ring entry before hitting RET, which gets it inserted.  Is the
>> > edited entry added to the kill-ring?  It looks like it isn't, because
>> > the next C-y inserts the last kill-ring entry, i.e. neither the
>> > original entry I edited nor the edited entry actually inserted.  Why
>> > does the kill-ring-yank-pointer gets reset to the front of the
>> > kill-ring in this case?
>>
>> After inserting the edited entry it resets the kill-ring-yank-pointer
>> for the same reason why the kill-ring-yank-pointer gets reset
>> when a new entry gets added to the kill-ring after C-w,
>> i.e. like this line in 'kill-new':
>>
>>   (setq kill-ring-yank-pointer kill-ring)
>
> I could understand that if the edited entry were added to the
> kill-ring.  But it isn't is it?

It would be unexpected when yanking the edited entry with M-y
would add it to the kill-ring as its opposite command M-w does.