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From: Michael Heerdegen <michael_heerdegen@web.de>
To: help-gnu-emacs@gnu.org
Subject: Re: does customizing a hook "add-to" the hook?
Date: Mon, 15 Jul 2013 03:12:44 +0200	[thread overview]
Message-ID: <87vc4c1v8z.fsf@web.de> (raw)
In-Reply-To: 871u703bmd.fsf@web.de

Michael Heerdegen <michael_heerdegen@web.de> writes:

> All relevant hooks I know are empty when declared in the sources.  So if
> you load your `custom-file' early enough when starting up Emacs (i.e.,
> before modifying hooks or loading packages), you don't need to worry
> about your or third party code adding stuff to the hook, that works
> normally.

To sum up, hooks are treated like any other variable when loading the
`custom-file', the hook variables are just set to the saved values.

These saved values are not checked in any sense.  If they include
functions that were defined when you saved the hook value, but not
defined when restoring it, you'll get an error when you run the hook.
So be careful with what you save.


Michael.




  reply	other threads:[~2013-07-15  1:12 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-07-13 21:25 does customizing a hook "add-to" the hook? gottlieb
2013-07-15  0:33 ` Michael Heerdegen
2013-07-15  1:12   ` Michael Heerdegen [this message]
2013-07-15 18:50   ` gottlieb
2013-07-15 22:49     ` Michael Heerdegen
2013-07-16 14:06       ` gottlieb

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