From mboxrd@z Thu Jan  1 00:00:00 1970
From: Nick Dokos <nicholas.dokos@hp.com>
Subject: Re: Re: How to display a diary entry in agenda week view only
 "today"
Date: Mon, 11 Apr 2011 10:55:28 -0400
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In-reply-to: Message from Suvayu Ali <fatkasuvayu+linux@gmail.com> of
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To: Suvayu Ali <fatkasuvayu+linux@gmail.com>
Cc: Rainer Stengele <rainer.stengele@diplan.de>, nicholas.dokos@hp.com, emacs-orgmode@gnu.org

Suvayu Ali <fatkasuvayu+linux@gmail.com> wrote:

> On Mon, 11 Apr 2011 14:55:24 +0200
> Niels Giesen <niels.giesen@gmail.com> wrote:
> 
> > On Mon, Apr 11, 2011 at 1:57 PM, Rainer Stengele
> > <rainer.stengele@diplan.de> wrote:
> > > Am 11.04.2011 10:36, schrieb Suvayu Ali:
> > >> On Mon, 11 Apr 2011 08:52:52 +0200
> > >>
> > >> %%(if (calendar-date-equal date (calendar-current-date))
> > >> (diary-sunrise-sunset))
> > >>
> > > Perfect, thanks.
> > >
> > > I can find the other functions in calendar.el,
> > > but where is "date" from?
> > >
> >
> > date is a dynamically bound variable at the time of evaluation.
> > 
> 
> I have a question I have been meaning to ask for a long time. How does
> one test sexps with variables like these? I have tried the scratch
> buffer but it gives errors like "(void-variable date)". I found the only
> way I could test is to put it on one of the agenda files.
> 
> Any suggestions?
> 

Bind date explicitly in the scratch buffer and then evaluate:

(setq date '(4 11 2011))

...

I think the format is (month day year) but be sure to check.

Nick