From mboxrd@z Thu Jan  1 00:00:00 1970
From: Bastien <bzg@altern.org>
Subject: Re: BUG: column view in agenda -- marker does not point anywhere
Date: Mon, 21 Jan 2008 15:54:46 +0000
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In-Reply-To: <87tzl72qrj.fsf@gollum.intra.norang.ca> (Bernt Hansen's message
	of "Mon, 21 Jan 2008 09:32:32 -0500")
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Bernt Hansen <bernt@norang.ca> writes:

> Carsten Dominik <dominik@science.uva.nl> writes:
>
>> So far I cannot reproduce this problem.  One helpful thing would be to
>> post
>> a full backtrace, made with uncompiled org.el that will tell me exactly
>> which function tries to use an undefined marker.
>
> How do I generate a debug backtrace again?  I tried finding this on
> the list but failed :(

(setq debug-on-error t)

In case you've lost the backtrace buffer, its name is *Backtrace*.  

-- 
Bastien