Michael Heerdegen <michael_heerdegen@web.de> writes:

> In emacs -Q, eval
>
>   (setq icomplete-separator "\n")
>
> and do
>
>   M-x icomplete-mode <return>
>
> Then, e.g.
>
>   M-x m
>
> The icomplete minibuffer prompt is invisible (bug).

On the current trunk, I get: