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

[Juri Linkov]

>> For the case of not adding the edited entry to the kill-ring,
>> now kill-ring-yank-pointer stays at the same position it was
>> before the editing.
>
> It doesn't look like that in my testing.  Here's the recipe:
>
>   emacs -Q
>   For the words "buffer", "text", "Lisp", and "evaluation" from the
>     first line, mark each word and then M-w
>   M->
>   M-y
>   Type "tex TAB", which will expand to "text"
>   Type "oize RET", which will insert "textoize"
>   Type C-y
>   This inserts the last kill, which is "evaluation", whereas I
>     expected to see "text", since you said the pointer stays at the
>     same position.

The pointer kill-ring-yank-pointer stays at the same position:
before M-y, kill-ring-yank-pointer points to "evaluation",
and after M-y, kill-ring-yank-pointer points to "evaluation".