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Re: [Orgmode] Bug: ICal export, filetags and tag inheritance

From: Carsten Dominik
Subject: Re: [Orgmode] Bug: ICal export, filetags and tag inheritance
Date: Sat, 16 May 2009 19:39:33 +0200

Hi Harri,

this was a missing save-match-data around the call
to `org-get-tags-at'.  The reason why you get this strange
behavior is that a failed matching attempt preserves the
old match data, so if there was no successful regexp match,
everything was well.

Wrapping that call with save-match-data
would have fixed the problem, but it turns out that it is not
necessary at all to construct the tags list because the loop
has already checked for the archiving status earlier.

Fixed now, thanks.

- Carsten

On May 15, 2009, at 11:09 AM, Harri Kiiskinen wrote:

There is an elusive bug in the ICal export functions. To demonstrate
it, open this file, allow for the use of the local variable, and run
'org-export-icalendar-this-file'. What I get is the message "Wrong
type argument: stringp, nil"

#+FILETAGS: test
* TODO header

# Local Variables:
# org-use-tag-inheritance: "^[t]"
# End:

Now, the funny thing is, that if you change the filetag from "test" to
"est", close the file, and open it again, the file will be exported
fine! It seems, that if the filetag does match the regular expression
in org-use-tag-inheritance, then the result is error.

There's something quite fishy here, so I'm not sure I have managed to
cover all the cases, but after many weeks, I finally managed to track
it down to this.


Harri K.

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