martin rudalics <rudalics@gmx.at> writes:

>>> Strictly spoken this should read "But if it is displayed in the selected
>>> window, recenter that window."
>>
>> No, because in that case it would already have been done by a normal
>> call to recenter.
>
> Unless the selected window displayed another buffer.  Then you probably
> mean something like
>
>   (dolist (window (get-buffer-window-list buffer))
>     (with-selected-window window (recenter)))

I see, thanks for inputs.

Here is an updated patch.