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RE: Eliminating "changed in Emacs outside of Customize"

From: Drew Adams
Subject: RE: Eliminating "changed in Emacs outside of Customize"
Date: Tue, 1 Feb 2005 14:40:10 -0800

    I believe that you were confusing with the defcustom form, which does
    not override an already set value (_unless_ the :set function does so)
    and its default :initialize function `custom-initialize-reset', which
    nevertheless executes the :set function _even_ if the value is already
    set. ...

Interesting. I wasn't aware of these keyword args to defcustom.

Something I discovered recently that is perhaps related (perhaps not), and
I'm not sure is documented: subsequent defcustom's redefine the `standard'
value of the variable (that is, the value that you can reset to with Reset
to Standard). The current value is not changed; only the `standard' value is

Of course, it's not recommended for multiple libraries to use defcustom's
for the same variable, but if they do, the last one executed wins, in this

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