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Re: Detect when variable changes

From: Eli Zaretskii
Subject: Re: Detect when variable changes
Date: Wed, 04 Oct 2017 22:40:09 +0300 
> Date: Wed, 4 Oct 2017 11:57:18 -0700
> From: Joe Riel <joer@san.rr.com>
> 
> Is there a way to detect when a variable changes?

Emacs 26 has a watchpoint-like facility which you could use for that.
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