From mboxrd@z Thu Jan  1 00:00:00 1970
From: Giovanni Ridolfi <giovanni.ridolfi@yahoo.it>
Subject: Re: Error message could be improved - Specified time is not
 representable
Date: Tue, 24 May 2011 10:16:02 +0200
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References: <2D8D6FEC-69C7-43CF-B755-BB7BC49977AA@jellybean.co.uk>
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In-Reply-To: <2D8D6FEC-69C7-43CF-B755-BB7BC49977AA@jellybean.co.uk> (Julian
	Bean's message of "Tue, 24 May 2011 08:06:19 +0100")
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To: Julian Bean <jules@jellybean.co.uk>
Cc: emacs-orgmode@gnu.org

Julian Bean <jules@jellybean.co.uk> writes:

Hi Jules,

>
> On upgrading to emacs 23.3 (from emacs 23.1) my daily/weekly agenda
> became unusable, giving the error message "Specified time is not
> representable".

>
> [...] I tracked this down to an erroneous SCHEDULED date of 1st
> January 1904 buried inside a task. [...]
>
> Evidently, for some reason, calling (encode-time 0 0 0 1 1 1904) on
> 23.3 causes the error above, 

" This is probably related to the same problem as discussed in this
  thread:
  http://thread.gmane.org/gmane.emacs.orgmode/39206

  on the limitations of unix time (whether on Unix or not...)."

> whereas on 23.1 it's silently ignored?

Since it is an Emacs problem I think you should ask Emacs's 
developers:
emacs-devel@gnu.org 

or file a bug report: 
M-x report-emacs-bug or write to
bug-gnu-emacs@gnu.org

cheers,
Giovanni