GNU bug report logs - #65105
Reusing the same string as 'display on consecutive characters evades display

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Package: emacs;

Reported by: JD Smith <jdtsmith <at> gmail.com>

Date: Sat, 5 Aug 2023 18:36:01 UTC

Severity: normal

Tags: notabug

Done: Eli Zaretskii <eliz <at> gnu.org>

Bug is archived. No further changes may be made.

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Message #16 received at 65105 <at> debbugs.gnu.org (full text, mbox):

From: Dmitry Gutov <dmitry <at> gutov.dev>
To: JD Smith <jdtsmith <at> gmail.com>, Eli Zaretskii <eliz <at> gnu.org>
Cc: 65105 <at> debbugs.gnu.org
Subject: Re: bug#65105: Reusing the same string as 'display on consecutive
 characters evades display
Date: Sun, 6 Aug 2023 01:46:49 +0300

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.
This bug report was last modified 1 year and 290 days ago.

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