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Re: How to remove a property from an overlay?

From: Fu Yuan
Subject: Re: How to remove a property from an overlay?
Date: Sat, 31 Jul 2021 09:15:02 -0400

> 在 2021年7月31日,上午4:46,Marcin Borkowski <> 写道:
>> On 2021-07-30, at 22:02, Stefan Monnier via Users list for the GNU Emacs 
>> text editor <> wrote:
>> Marcin Borkowski [2021-07-30 20:31:35] wrote:
>>> is there any way I can remove property `prop' from overlay `ovl' besides
>>> (overlay-put ovl 'prop nil)
>>> which does not really remove it, only sets it to nil?
>> The recommendation is to try and make sure you always give semantics to
>> those properties such that nil behaves the same as the absence of
>> the property.
> Could that be put in the manual?

Reminds me of the similar property of plists, we could also add to plist’s 


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