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Re: Redisplay hook


From: Clément Pit--Claudel
Subject: Re: Redisplay hook
Date: Sun, 3 Jul 2016 20:09:59 -0400
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.8.0

On 2016-07-03 18:34, Richard Stallman wrote:
> > > Is there a standard way to run a function after each redisplay cycle?
> 
> > No, not that I know of.
> 
> It is asking for trouble, since if there is any bug in it or confusing
> behavior, you will get totally screwed.

Much more than with a pre- or post-command-hook? We could have the same logic 
for errors:

    If an unhandled error happens in running this hook,
    the function in which the error occurred is unconditionally removed, since
    otherwise the error might happen repeatedly and make Emacs nonfunctional.

Clément.

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