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From: Bernt Hansen <bernt@norang.ca>
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Date: Fri, 06 May 2011 11:55:03 -0400
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In-Reply-To: <A4E0ADB0-412B-4E5B-951D-A442F6504EBB@gmail.com> (Carsten
	Dominik's message of "Fri, 6 May 2011 17:30:30 +0200")
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To: Carsten Dominik <carsten.dominik@gmail.com>
Cc: Ben Finney <ben+emacs@benfinney.id.au>, emacs-orgmode@gnu.org

Carsten Dominik <carsten.dominik@gmail.com> writes:

> No.  CLOCKSUM is a special property, and it can be used to
> access the clocking sum of an entry after (org-clock-sum) has
> been called.  This is what org-invoice does.  It calls
> org-clock-sum to do the computation, and then used the property 
> API to get to the value.
>
> However, I seen now that there is a bug here, cause by a
> rewrite (for speed) of property access some time ago.
> After that rewrite, the special CLOCKSUM property used
> by org-invoice.el was no longer accessible.
>
> This problem has just been fixed, so with the current git master,
> org-invoice.el should work again.

Ah! Thanks Carsten.  It does indeed return values after this fix.

However there are numerous problems with the resulting invoice for a
sample tree I have with clocked data.

I'll send these details to the list shortly.

Regards,
Bernt