Re: [PATCH] Support "\n" in icomplete-separator

[Eli Zaretskii]

> Date: Fri, 13 Nov 2020 12:56:12 +0000
> From: Gregory Heytings <ghe@sdf.org>
> cc: Andrii Kolomoiets <andreyk.mad@gmail.com>, spacibba@aol.com,
>         monnier@iro.umontreal.ca, emacs-devel@gnu.org
> 
> > We can do that, but I don't think it would be TRT, because the current 
> > strategy does work in many use cases.  I thin a better way is to let 
> > applications control this aspect of the behavior, because we will never 
> > be able to find a solution that always works, what with all the 
> > different settings and kinds of display in the mini-window.
> 
> I fully agree with you.  And the question is again: given that the 
> solution I offered doesn't please you, how should that be done?

As mentioned in the original discussion: with a special text property
or overlay property on the first character of the text to be shown in
the mini-window.  The display engine will see that and heed it.