bug#23093: 25.0.92; Change for the worse: minibuffer completion window splits below rather that right

[Juri Linkov]

>> Or maybe we need to add new conditional actions like
>> ‘display-buffer-below-selected-if-high-enough’ or
>> ‘display-buffer-in-right-window-if-height-is-narrow’ or?
>
> Rather not.  In some sense we do the former already although IIUC we
> never consult the number of completions before splitting off the window.

This is more complex logic: if the number of completions is small,
always display completions at the bottom, otherwise decide how
to split window depending on window configuration like in
‘split-window-sensibly’ you mentioned below.

> The latter looks like a special form of ‘split-window-sensibly’ with all
> its problems.