Re: Malformed MIME quoted-printable message

[Steven L Baur <steve@miranova.com>]

>>>>> "Per" == Per Abrahamsen <abraham@dina.kvl.dk> writes:

Per> Steven L Baur <steve@miranova.com> writes:
sb> Since defcustom erases previous hooks with a setq [ ... ]

(I mistaken qualified this with `when customized')

Per> No it does not.  The code in question for defcustom is

Per>   (unless (default-boundp symbol)
Per>     (set-default symbol (if (get symbol 'saved-value)
Per> 			    (eval (car (get symbol 'saved-value)))
Per> 			  (eval value))))

Per> The problem is the opposite, a call to add-hook prior to the
Per> _defcustom_ will prevent either the factory or saved value from
                                                    ^^^^^ ^^^^^
Per> taking effect.

O.K.  That was the part I missed.  It's still a problem, it's just a
different problem.

Per> Initializing a hook with _defvar_ has the same problem.  

Agreed.

Per> The alternative, to call _add-hook_ instead of initializing, has
Per> the problem that it becomes more difficult for the user to remove
Per> functions from the hook.

True.  It is also not always a benefit doing this staticly.  What if I
wanted to run tm with Gnus with XEmacs, but wanted to run Gnus-only
when running GNU Emacs.

Per> The only solution I can think of requires changing _remove-hook_
Per> for uninitialized variables, so it records that the member should
Per> not be added at initialization.

I suppose you could add a property list of symbols that add-hook won't
add in the future?

Another thing that might make sense is to treat hook variables
specially.  This is already somewhat of a botch in emacs, since defvar
and worse defconst *are* unkind to hooks.  

Would syntax like

(defhook some-random-hook
	 :add 'hook-func-1
	 :add 'hook-func-2
	 :remove 'hook-func-3
  "`some-random-hook' initialization for package X.")

be good, or be braindamaged?
-- 
steve@miranova.com baur
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