bug#61412: Inlay activation

[Eli Zaretskii]

> From: Chinmay Dalal <dalal.chinmay.0101@gmail.com>
> Cc: 61412@debbugs.gnu.org, joaotavora@gmail.com
> Date: Thu, 16 Feb 2023 00:18:41 +0530
> 
> > Not only can we not do this, it is also not our style.  If we want to
> > show hints, we either show tooltips, or display a message in the echo
> > area.
> 
> Tooltips and echo area can't be used as inlay hints are for showing
> types of multiple variables/expressions and names of parameters at once.
> 
> See the attached screenshots for an example (this is from my
> implementation in this patch)

I'm not surer I understand what you are showing here (so feel free to
say a few more words), but if I should guess, I'd say use overlay
strings.