bug#35592: Use display-buffer-in-direction for completion-like windows

[Juri Linkov]

>>> But notice that these semantically clash with what you
>>> earlier wanted for 'split-window':
>>>
>>>                 ((eq side 'above) 'top)
>>>                 ((eq side 'below) 'bottom)
>>
>> I remember that recently you added these aliases:
>>
>>    up -> above
>>    down -> below
>>
>> that fits well into this scheme.
>>
>> But I don't know about
>>
>>    above -> top
>>    below -> bottom
>>
>> These are some earlier additions.  Is there a problem with these aliases?
>
> I misremembered things.  They affect side windows only.  But how about
> using 'topmost' and 'bottommost' instead of 'top' and 'bottom'?  These
> would fit more nicely into the 'leftmost' and 'rightmost' scheme.

'bottommost' is too ugly word ;)