From mboxrd@z Thu Jan  1 00:00:00 1970
From: Thomas Holst <thomas.holst@de.bosch.com>
Subject: Re: Re: [babel] "Marker does not point anywhere" error?
Date: Fri, 25 Mar 2011 14:13:08 +0100
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In-Reply-To: <4D8C910E.4020007@gmail.com> (Rainer M. Krug's message of "Fri,
	25 Mar 2011 13:56:46 +0100")
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To: Rainer M Krug <r.m.krug@gmail.com>
Cc: emacs-orgmode <emacs-orgmode@gnu.org>, Jambunathan K <kjambunathan@gmail.com>

Hi,

=B7 Rainer M Krug <r.m.krug@gmail.com> wrote:
> On 25/03/11 13:50, Jambunathan K wrote:
>>
>> Can you do M-x toggle-debug-on-error and copy/paste what comes up in t=
he
>> backtrace buffer?
>
> Here it is:
>

[ ... backtrace ... ]

I have a similar behaviour with a gnuplot source block, except that I
get the same error every time I hit C-c C-c. Here is part of the
backtrace:

Debugger entered--Lisp error: (error "Marker does not point anywhere")
  ansi-color-apply-on-region(#<marker in no buffer> #<marker at 217 in *g=
nuplot*>)
  ansi-color-process-output("")
  run-hook-with-args(ansi-color-process-output "")
  comint-send-input()
  gnuplot-send-string-to-gnuplot(...)
  [... snip ...]

It seems that ansi-color-process-output is the source of trouble. But I
couldn't track it down further. It does not happen every time. I also
don't how to reproduce it for shure.

WinXP
org-mode Org-mode version 7.5 (release_7.5.62.gfb2ac)
GNU Emacs 23.2.1 (i386-mingw-nt5.1.2600) of 2010-05-08 on G41R2F1

Regards
  Thomas