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

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Message #19 received at 65105 <at> debbugs.gnu.org (full text, mbox):

From: JD Smith <jdtsmith <at> gmail.com>
To: Dmitry Gutov <dmitry <at> gutov.dev>
Cc: Eli Zaretskii <eliz <at> gnu.org>, 65105 <at> debbugs.gnu.org
Subject: Re: bug#65105: Reusing the same string as 'display on consecutive
 characters evades display
Date: Sat, 5 Aug 2023 18:49:11 -0400

That’s probably the right approach.  Or even simpler, allocate two identical strings and alternate.  Thanks.

> On Aug 5, 2023, at 6:46 PM, Dmitry Gutov <dmitry <at> gutov.dev> wrote:
> 
> 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.

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