Re: SVG hack for display engine

[Eli Zaretskii]

> From: Po Lu <luangruo@yahoo.com>
> Cc: Eli Zaretskii <eliz@gnu.org>,  Emacs Devel <emacs-devel@gnu.org>
> Date: Tue, 16 Nov 2021 11:28:53 +0800
> 
> Anand Tamariya <atamariya@gmail.com> writes:
> 
> > Do you notice the popup in the top window in the image attached in OP?
> > It has clean lines over buffer content with mixed (fixed + variable
> > pitch) fonts. Is it possible to have that in graphical Emacs? Precise
> > positioning of popups can open up graphical Emacs to immense
> > possibilities like feature filled tooltips, inline completion popup,
> 
> Don't we have child frames which do exactly that?
> 
> Also, on X-Windows, tooltips are implemented as a special kind of Emacs
> frame.

The MS-Windows implementation of tooltips also uses special-purpose
frames.