From mboxrd@z Thu Jan  1 00:00:00 1970
From: Bastien <bzg@gnu.org>
Subject: Re: Org Clock Table / Subtree Export subtle bug
Date: Sun, 29 Apr 2012 01:19:36 +0200
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References: <CANid5Q7YO2jWzLjbsXkhw-vZSs_ATQrrqtx7AexR985p6SWEtg@mail.gmail.com>
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	(Mike McLean's message of "Fri, 27 Apr 2012 14:35:53 -0400")
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To: Mike McLean <mike.mclean@pobox.com>
Cc: emacs-orgmode <emacs-orgmode@gnu.org>

Hi Mike,

thanks very much for the detailed bug report.

Mike McLean <mike.mclean@pobox.com> writes:

> The general symptom is that if:
>
>     You have org-update-all-dblocks added
>     to org-export-first-hook with the goal of ensuring that dynamic
>     blocks are current before every export; AND
>     You are exporting only a region of the file, for example
>     using C-c C-e 1 b (buffer/subtree export)
>
> The Mark terminating the end of the region to be exported is carried
> into the org-clocktable-write-default formatting function and the
> call of (backward-delete-char 1) on line 2352 oforg-clock.el deletes
> a region (between the Mark of the initial call and point, which is
> immediately before the #+END: construct of the clock table). Deletion
> of the #+END: construct malforms the clock table and ultimately the
> export fails leaving the Org file is a corrupt state.

The trick is to use (let ((delete-active-region nil)) ...) so that 
the active region is not deleted by such adjustments.

I pushed a fix.

Thanks!

-- 
 Bastien