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From: Sean McAfee <eefacm@gmail.com>
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Subject: Re: switch-buffer-hook to catch the switch-event?
Date: Tue, 26 Feb 2013 11:46:57 -0800
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Stefan Monnier <monnier@iro.umontreal.ca> writes:
>> How can I trigger an action everytime a certain buffer gets the focus
>> (becomes current-buffer)? Is there no hook for 'switch-buffer' or
>> something similar?

> No, indeed, there isn't.

Hmm!  It seems dired-auto-revert-buffer doesn't do what I always assumed
it did.