From: Marcin Borkowski <mbork@mbork.pl>
To: Eli Zaretskii <eliz@gnu.org>
Cc: help-gnu-emacs@gnu.org
Subject: Re: How to remove a property from an overlay?
Date: Sat, 31 Jul 2021 10:45:16 +0200 [thread overview]
Message-ID: <87bl6idg83.fsf@mbork.pl> (raw)
In-Reply-To: <831r7fr3cb.fsf@gnu.org>
On 2021-07-30, at 21:47, Eli Zaretskii <eliz@gnu.org> wrote:
>> From: Marcin Borkowski <mbork@mbork.pl>
>> Cc: help-gnu-emacs@gnu.org
>> Date: Fri, 30 Jul 2021 21:12:26 +0200
>>
>> >> (overlay-put ovl 'prop nil)
>> >>
>> >> which does not really remove it, only sets it to nil?
>> >
>> > What's the difference?
>>
>> When I say `(overlay-properties ovl)', I can see `prop' set to nil.
>> Before setting it, I couldn't.
>
> And why is that difference important?
Because of my OCD, perhaps?
> Overlay properties exist to search for them with the likes of
> next-single-char-property-change, and those don't distinguish between
> the two.
I see.
> But if you must remove the property, I think the only way is to make
> another overlay with all the properties except the one you want to
> remove.
I see. Not worth it, of course.
Thanks!
--
Marcin Borkowski
http://mbork.pl
next prev parent reply other threads:[~2021-07-31 8:45 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-30 18:31 How to remove a property from an overlay? Marcin Borkowski
2021-07-30 18:48 ` Eli Zaretskii
2021-07-30 19:12 ` Marcin Borkowski
2021-07-30 19:47 ` Eli Zaretskii
2021-07-31 8:45 ` Marcin Borkowski [this message]
2021-07-30 20:02 ` Stefan Monnier via Users list for the GNU Emacs text editor
2021-07-31 8:45 ` Marcin Borkowski
2021-07-31 13:15 ` Fu Yuan
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