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From: Eli Zaretskii <eliz@gnu.org>
To: Filipp Gunbin <fgunbin@fastmail.fm>
Cc: 41002@debbugs.gnu.org, egnartsms@gmail.com, larsi@gnus.org
Subject: bug#41002: Undo breaks inhibit-read-only text property
Date: Sat, 09 May 2020 16:49:28 +0300	[thread overview]
Message-ID: <838si1fcbb.fsf@gnu.org> (raw)
In-Reply-To: <m2o8qxp6z0.fsf@fastmail.fm> (message from Filipp Gunbin on Sat,  09 May 2020 16:34:43 +0300)

> From: Filipp Gunbin <fgunbin@fastmail.fm>
> Cc: egnartsms@gmail.com,  41002@debbugs.gnu.org,  larsi@gnus.org
> Date: Sat, 09 May 2020 16:34:43 +0300
> 
> > I think you are right: we need to augment this with something that
> > pays attention to the inhibit-read-only property.  Would you like to
> > suggest a patch?
> 
> That property is checked in INTERVAL_WRITABLE_P just above, it looks
> fine.

That tests if the interval is _not_ writable.  But the problem is not
triggered by the interval, it is triggered by characters after the
interval, is it not?

> The problem is I don't know what the "if" I cited is for.

Hopefully, Lars will answer that.

> > Btw, how is this related to undo?
> 
> Before undo, we seem to have one interval spanning all the text.  After
> undo, there appears a short interval on which "i->position + LENGTH (i)
> < end" triggers.

Right, thanks.  So this situation could be recreated without any undo
in the recipe, right?





  reply	other threads:[~2020-05-09 13:49 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-01 10:38 bug#41002: Undo breaks inhibit-read-only text property Serhii Mozghovyi
2020-05-02 17:33 ` Filipp Gunbin
2020-05-02 19:09   ` Serhii Mozghovyi
2020-05-03  3:22     ` Filipp Gunbin
2020-05-09  7:37       ` Eli Zaretskii
2020-05-09 13:34         ` Filipp Gunbin
2020-05-09 13:49           ` Eli Zaretskii [this message]
2020-05-09 16:55             ` Filipp Gunbin
2020-05-19 12:12       ` Lars Ingebrigtsen

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