From: Sylvain Beucler <beuc@beuc.net>
To: Nick Dokos <nicholas.dokos@hp.com>
Cc: emacs-orgmode@gnu.org
Subject: Re: Bug: symbol function's definition is null : signum [7.5]
Date: Sat, 16 Apr 2011 11:30:31 +0200 [thread overview]
Message-ID: <20110416093031.GA19027@perso.beuc.net> (raw)
In-Reply-To: <20159.1302907251@alphaville.americas.hpqcorp.net>
On Fri, Apr 15, 2011 at 06:40:51PM -0400, Nick Dokos wrote:
> Sylvain Beucler <beuc@beuc.net> wrote:
>
> > When using S-<up> to modify a date with an our range in Org 7.5, I get
> > "symbol function's definition is null : signum".
> >
> > E.g. <2011-03-10 jeu. 10:30-11:30>
> >
> > It appears that (org-modify-ts-extra) is using this function, but
> > unlike in CL isn't not an elisp built-in :)
> >
> > As a work-around I added an internal defun:
> > (defun org-modify-ts-extra (s pos n dm)
> > "Change the different parts of the lead-time and repeat fields in timestamp."
> > (defun signum (x)
> > (cond
> > ((> x 0) 1)
> > ((< x 0) -1)
> > ((= x 0) 0)))
> > [...]
> >
>
> What version of emacs are you using?
>
> For emacs 24 at least, it's defined in cl-extra.el (which is distributed
> with emacs itself). That in turn is loaded when cl is loaded and there
> are plenty of places where org does a (require 'cl), e.g. when loading
> org.el or org-agenda.el; but it may be that you have found a path in
> that does not do so, however unlikely that scenario is.
>
> So you can probably resolve the problem by adding a (require 'cl)
> somewhere in your .emacs. But if you can, it would be worthwhile to
> figure out how you end up in that situation, so the (require 'cl) can be
> added to the appropriate place.
>
> If you are using emacs 23 or earlier, the above might not be applicable,
> but you probably can still resolve the problem the same way: adding a
> (require 'cl) in your .emacs. If that does not resolve it, then adding a
> (require 'cl-extra) as well should certainly do so.
I use 23.2.1 (http://packages.debian.org/squeeze/emacs). Adding
(require 'el) works.
I tried on another box with the same Emacs (23.2.1 -
http://packages.debian.org/wheezy/emacs) and Org, roughly the same
configuration, and I can't reproduce the problem, so it's a bit of a
mystery for me.
Thanks for your answer.
--
Sylvain
next prev parent reply other threads:[~2011-04-16 9:30 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-13 8:04 Bug: symbol function's definition is null : signum [7.5] Sylvain Beucler
2011-04-15 22:40 ` Nick Dokos
2011-04-16 9:30 ` Sylvain Beucler [this message]
2011-06-26 19:32 ` David Maus
-- strict thread matches above, loose matches on Subject: below --
2018-10-31 16:09 Jared Windover
2018-11-01 21:27 ` Nicolas Goaziou
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