GNU bug report logs - #10773
define-derived-mode/define-minor-mode to declare hook variables

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From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Stefan Monnier <monnier <at> iro.umontreal.ca>
Cc: Juri Linkov <juri <at> jurta.org>, Glenn Morris <rgm <at> gnu.org>, 10773 <at> debbugs.gnu.org
Subject: bug#10773: set-variable can't change values of user options
Date: Sun, 20 Sep 2020 11:14:34 +0200

Stefan Monnier <monnier <at> iro.umontreal.ca> writes:

>>> Shouldn't we be using `defcustom` instead of hard-coding Custom's
>>> "internal" properties?
>> Yes.  But I was worried that defcustom would be too heavy-handed here.
>
> I think if you're worried about the "cost" of `defcustom`, then we may
> as well stick to `defvar` 

I was mainly worried that defcustom had further other subtle effects
that I'm not aware of (:group? :version? the mandatory doc string?), but
looking at the code in custom-declare-variable, it looks pretty
straightforward...  (Famous last words.)

> (after all, it's not like it'll be very easy/convenient for the user
> to use the Custom UI to add a function on those hooks).

I think there's probably several bug reports about doing something about
that.  :-/

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

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