bug#33870: 27.0.50; xref-goto-xref not configurable

[Juri Linkov]

>> Then two new functions will have consistent names:
>>
>> display-buffer-in-direction
>> display-buffer-in-window
>
> Just that the first is an action function while the second isn't.

Like display-buffer-in-previous-window is an action function
that takes an alist entry `previous-window', couldn't
display-buffer-in-window be an action function that takes
an alist entry with the window where it display the buffer?
But it seems this is not needed.

>>> 'from-window' is not bad.  Maybe also 'reference-window'.  We don't
>>> use such a term in windmove.el.  There we just say that "WINDOW is the
>>> window that movement is relative to".
>>
>> relative-window?
>
> Not really good IMHO.

Agreed.

>>>> Ok, like (direction . up) and all aliases.
>>>
>>> 'direction' should be OK then.
>>
>> Or 'dir' for short.
>
> dir can be misread as directory.

Agreed.