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

[GNU bug Tracking System]

Your message dated Sun, 06 Aug 2023 07:55:25 +0300
with message-id <83pm40rcqq.fsf@gnu.org>
and subject line Re: bug#65105: Reusing the same string as 'display on 
consecutive characters evades display
has caused the debbugs.gnu.org bug report #65105,
regarding Reusing the same string as 'display on consecutive characters evades 
display
to be marked as done.

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65105: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=65105
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> --- Begin Message ---
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> Subject: 
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> Reusing the same string as 'display on consecutive characters evades display
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> Date: 
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> Sat, 5 Aug 2023 14:35:23 -0400
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> Evaluate:
>
> (let ((s1 "test1")
>       (s2 "test2"))
>   (insert "\n"
>           (propertize " " 'display s1)
>           (propertize " " 'display s1)
>           (propertize " " 'display s2)
>           (propertize " " 'display s1)))
>
>
> The first space display does not take effect, since the s1 string is used for 
> two consecutive characters.  This has a practical impact for font-lock backends 
> that use the ‘display text-property and would like to minimize string 
> allocation.  
>
> Tested Emacs 27/28/29.
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>
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> --- End Message ---
> --- Begin Message ---
>
>
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> Subject: 
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> Re: bug#65105: Reusing the same string as 'display on consecutive characters evades display
>
>
>
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> Date: 
>
> Sun, 06 Aug 2023 07:55:25 +0300
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>
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> > From: JD Smith <jdtsmith@gmail.com>
> > Date: Sat, 5 Aug 2023 18:49:11 -0400
> > Cc: Eli Zaretskii <eliz@gnu.org>,
> >  65105@debbugs.gnu.org
> > 
> > That’s probably the right approach.  Or even simpler, allocate two identical 
> > strings and alternate.  Thanks.
>
> And with that, I'm closing this bug.
>
>
> --- End Message ---