Re: icomplete-vertical above prompt

[Gregory Heytings <gregory@heytings.org>]

>>> Regardless of the value of icomplete-vertical-mode-above-prompt, in 
>>> both cases it jumps once, and that's the problem for users who don't 
>>> like such jumps, even once.
>>
>> I'm not sure I understand what you mean.  How could you display 
>> completion candidates without moving the modeline?
>
> When typing 'TAB TAB' or 'M-v' to open the *Completions* buffer, it 
> doesn't cause the feeling that the mode-line jumps because it looks like 
> the mode-line stays at the same screen position, only its contents 
> changes from the mode-line of the original buffer to the mode-line of 
> the *Completions* buffer.
>

Okay, that's easy to do with my patch: remove the setq-local 
mode-line-format nil, and you'll see a modeline between the minibuffer and 
the completion list.  I'll add another defcustom for this.