bug#65105: Reusing the same string as 'display on consecutive characters evades display

[Dmitry Gutov]

On 06/08/2023 07:54, Eli Zaretskii wrote:
> > Date: Sun, 6 Aug 2023 01:46:49 +0300
> > Cc:65105@debbugs.gnu.org
> > From: Dmitry Gutov<dmitry@gutov.dev>
> >
> > On 05/08/2023 23:49, JD Smith wrote:
> > > Aha, thanks.  It does make sense from an optimization standpoint to
> > > “gang” properties in this manner.  Are you aware of any approach that
> > > allow re-using a string for ‘display, but permits consecutive intervals
> > > to remain distinct?
> > Overlays? But they have certain performance problems when their number
> > grows.
> Not in Emacs 29 and later, right?

Hopefully not -- I haven't benchmarked any particular problem cases 
recently.

But I'm guessing the package JD is working on aims to support previous 
versions anyway.