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Re: add-hook

From: Richard Stallman
Subject: Re: add-hook
Date: Wed, 12 Nov 2003 15:02:15 -0500

    ;; Setting `local' to t ensures that the var will be modified with `set'
    ;; whereas a setting of nil implies that the hook will be modified with
    ;; `set-default', so the safe setting is t.  The only case where we
    ;; want to use the unsafe setting of nil is when we indeed want to change
    ;; the global part of the hook and there is both a local and a global part
    ;; (i.e when local == nil and when there's a t in the hook's content).

That comment may be correct, but it is still hard to understand.
Also, the variable ought to be renamed.  t does not mean the hook
is local or that anything is local.

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