Re: Awful completion buffer behaviour

[Juri Linkov <juri@linkov.net>]

>>> Pressing tab in the minibuffer when a completions buffer is visible used
>>> to scroll the window containing that buffer.
>>>
>>> In Emacs 29, it selects that window instead, and moves point to the next
>>> visible completion.
>>
>> Maybe TAB should not try to switch to the completions buffer
>> when it's already visible.
>
> I think TAB should scroll the window containing the buffer, and if it is
> not visible, it should make the buffer visible without selecting it.
>
> Otherwise, you have to press C-x o if you want to continue typing
> without selecting anything.

Please note that auto-selecting the completions buffer might still
be useful when using completion-at-point (C-M-i) in any buffer
because there is no easy-to-type key to select it.
So would be nice if 'completion-auto-select' allowed
auto-selection only for completion-at-point.