From: martin rudalics <rudalics@gmx.at>
To: Eli Zaretskii <eliz@gnu.org>
Cc: monnier@iro.umontreal.ca, emacs-devel@gnu.org
Subject: Re: Text Properties And Buffer Modification
Date: Thu, 06 Dec 2018 10:07:46 +0100 [thread overview]
Message-ID: <5C08E6E2.6080703@gmx.at> (raw)
In-Reply-To: <831s6v94e9.fsf@gnu.org>
>> I would have thought that buffer redisplay is triggered only by
>> bset_redisplay and BUF_COMPUTE_UNCHANGED which IIUC are called the
>> same way for overlays and text properties. Am I wrong?
>
> Yes. The display engine sometimes needs to know not only whether the
> buffer needs to be redisplayed, but also _why_. Search xdisp.c for
> MODIFF, and you will see.
I have tried to but still don't see the difference (but for setting
last_had_star). I'm interested because I'd like to know whether the
'restore-buffer-modified-p' mechanism could be problematic, somehow.
martin
next prev parent reply other threads:[~2018-12-06 9:07 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-04 23:39 Text Properties And Buffer Modification T.V Raman
2018-12-05 6:33 ` Eli Zaretskii
2018-12-05 7:15 ` Joost Kremers
2018-12-05 8:30 ` Eli Zaretskii
2018-12-05 15:32 ` Stefan Monnier
2018-12-05 17:35 ` T.V Raman
2018-12-05 18:42 ` Eli Zaretskii
2018-12-05 19:04 ` martin rudalics
2018-12-05 19:09 ` Eli Zaretskii
2018-12-06 9:07 ` martin rudalics [this message]
2018-12-06 9:19 ` Eli Zaretskii
2018-12-06 10:10 ` martin rudalics
2018-12-06 10:28 ` Eli Zaretskii
2018-12-06 18:46 ` martin rudalics
2018-12-06 19:16 ` Eli Zaretskii
2018-12-08 9:42 ` martin rudalics
2018-12-08 11:22 ` Eli Zaretskii
2018-12-05 20:54 ` Stefan Monnier
2018-12-06 6:04 ` Eli Zaretskii
2018-12-05 9:16 ` martin rudalics
2018-12-05 10:54 ` Eli Zaretskii
2018-12-05 19:04 ` martin rudalics
2018-12-05 19:08 ` Eli Zaretskii
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