From: Eli Zaretskii <eliz@gnu.org>
To: Ihor Radchenko <yantar92@gmail.com>
Cc: 48740@debbugs.gnu.org
Subject: bug#48740: 28.0.50; Composition text property is not always honoured
Date: Mon, 31 May 2021 17:32:50 +0300 [thread overview]
Message-ID: <835yyz2ctp.fsf@gnu.org> (raw)
In-Reply-To: <87eedn12j6.fsf@localhost> (message from Ihor Radchenko on Mon, 31 May 2021 21:00:29 +0800)
> From: Ihor Radchenko <yantar92@gmail.com>
> CC: 48740@debbugs.gnu.org
> Date: Mon, 31 May 2021 21:00:29 +0800
>
> Eli Zaretskii <eliz@gnu.org> writes:
>
> > No, it is also subdivided into two separate regions, each one of 3
> > characters. And that's why it doesn't work: the display engine
> > expects that the composed text should be covered by a single text
> > property which specifies the length (7 - 0 = 7) that is equal to the
> > length of the covered text (301 - 294 = 7).
> >
> > So the problem is caused by whatever code in org-agenda-redo-all that
> > "breaks" the composition property into 2 separate adjacent properties.
>
> Yet, the same "broken" property does work in step 6...
No, AFAIU in step 6 a single property list covers the whole of the
word ONGOING.
> The two intervals are there because other properties in the list are
> not same, as I understand.
Exactly. And that cannot work with the composition property.
> The only possibility I can think about is that compositions in the two
> intervals are 'eq at step 6, but only 'equal at step 8.
That cannot be the reason, because the display code doesn't test
'eq'uality. I clearly see in the code that the problem is with
"partial" coverage of the text.
next prev parent reply other threads:[~2021-05-31 14:32 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-30 7:35 bug#48740: 28.0.50; Composition text property is not always honoured Ihor Radchenko
2021-05-30 11:10 ` Eli Zaretskii
2021-05-30 13:08 ` Ihor Radchenko
2021-05-30 13:52 ` Eli Zaretskii
2021-05-30 15:13 ` Ihor Radchenko
2021-05-30 15:58 ` Eli Zaretskii
2021-05-31 13:00 ` Ihor Radchenko
2021-05-31 14:32 ` Eli Zaretskii [this message]
2021-06-01 14:28 ` Ihor Radchenko
2021-06-01 15:25 ` Eli Zaretskii
2021-06-01 16:25 ` Eli Zaretskii
2021-06-20 11:24 ` Ihor Radchenko
2021-06-20 11:53 ` Eli Zaretskii
2021-06-20 13:16 ` Ihor Radchenko
2021-06-21 12:18 ` Eli Zaretskii
2021-06-24 14:35 ` Ihor Radchenko
2021-06-24 16:06 ` Eli Zaretskii
2021-10-24 7:42 ` Stefan Kangas
2021-10-24 12:04 ` Eli Zaretskii
2021-10-24 12:27 ` Stefan Kangas
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