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Re: [Emacs-diffs] master 19e09cf: Ensure redisplay after evaluation

From: Noam Postavsky
Subject: Re: [Emacs-diffs] master 19e09cf: Ensure redisplay after evaluation
Date: Thu, 12 Nov 2015 19:31:29 -0500

On Mon, Nov 9, 2015 at 2:17 PM, Eli Zaretskii <address@hidden> wrote:
>> From: John Wiegley <address@hidden>
>> Cc: Stefan Monnier <address@hidden>,  address@hidden
>> Date: Mon, 09 Nov 2015 11:06:47 -0800
>> Allowing dynamic behavior to trigger on modifying a variable could be very
>> valuable during debugging. GDB allows this in the form of watchpoints.
>> As long as we never allow the use of this facility to creep into Emacs 
>> itself,
>> I can see value in giving users another way to debug and/or customize their
>> environment, as long as they are fully informed of the potential costs.
> I agree, but the problem is that now someone needs to re-implement
> that changeset from scratch, without looking too much at the patch
> posted back then.  I cannot be that someone, unfortunately.

This functionality sounds very useful; I have definitely wanted
something like this while debugging in the past.

Where should I look to get an idea of how to implement it?

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