From mboxrd@z Thu Jan  1 00:00:00 1970
From: Kiwon Um <um.kiwon@gmail.com>
Subject: Re: org-clock mode-line format configuration
Date: Wed, 27 Jan 2010 23:23:18 +0900
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To: Carsten Dominik <carsten.dominik@gmail.com>
Cc: emacs-orgmode@gnu.org

2010/1/27 Carsten Dominik <carsten.dominik@gmail.com>:
>
> On Jan 27, 2010, at 2:33 PM, Kiwon Um wrote:
>
>> Carsten Dominik <carsten.dominik@gmail.com> writes:
>>
>>> Hi Um,
>>>
>>> not, the result value has to be a string.
>>>
>>
>> Hi Carsten, hmmm... If you are right, it's an easy problem as long as
>> I'm able to know the variable name containing the string for the mode
>> line at the moment, isn't it?
>
> No, you are misunderstanding.
>
> the variable org-clock-heading-function hast to be set to a function.
> A form starting with `lambda' is a function.
>
> The function needs to return a string, and that string will automatically
> end up
> in the variable `org-clock-heading', which is then used to create the str=
ing
> in the mode line.
>
> Clearer now?
>
> I had a typo in the function:
>
> (setq org-clock-heading-function
> =A0 =A0 (lambda ()
> =A0 =A0 =A0 =A0(replace-regexp-in-string
> =A0 =A0 =A0 =A0 "\\[\\[.*?\\]\\[\\(.*?\\)\\]\\]" "\\1"
> =A0 =A0 =A0 =A0 (nth 4 (org-heading-components)))))
>

Cool! Now it's clear.
Really thanks for your kind replies. :)