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Re: Why do idle timers trigger redisplay?


From: Stefan Monnier
Subject: Re: Why do idle timers trigger redisplay?
Date: Sun, 14 Feb 2016 08:51:25 -0500
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/25.1.50 (gnu/linux)

> Thank you, Eli, for helping me to better understand why code run by timers
> is considered input that triggers redisplay (which in turn figures out what
> to do).

Presumably idle timers have effects (their return value is ignored, so
if they have no effect they're useless).  So they may change buffers or
elements that affect the mode-line.  So a redisplay cycle needs to be
triggered after running them.


        Stefan




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