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

[Dmitry Gutov]

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.

Or you could try resolving this manually: when the previous character is 
assigned with the same line, do a copy-sequence, and when it's a 
different one, you can use the "singleton" one.