Re: Links Lost and Export-Report

From: Stefan Vollmar <vollmar@nf.mpg.de>
To: Bernt Hansen <bernt@norang.ca>
Cc: emacs-orgmode@gnu.org
Subject: Re: Links Lost and Export-Report
Date: Wed, 18 Aug 2010 18:51:36 +0200	[thread overview]
Message-ID: <26232062-ECCC-484B-B59D-B1A9CB63FE70@nf.mpg.de> (raw)
In-Reply-To: <871v9vdhku.fsf@norang.ca>

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Dear Bernt,

On 18.08.2010, at 18:13, Bernt Hansen wrote:

> Stefan Vollmar <vollmar@nf.mpg.de> writes:
> 
>> Hello,
>> 
>> I currently have a "showstopper-class" problem with links. I am using Org-mode release_7.01h-129-g3363a with Emacs 23.2.1. I have 
>> 
>> (require 'org-install)
>> (require 'org-id)
>> 
>> in my .emacs file.
>> 
>> This works fine:
>> 
>> (1) org-link-to-org-use-id is t and when I do a C-c l (org-store-link), a "a globally unique ID property" is generated for the current section - so far so good.
>> (2) I then change to another org-file and insert the link with C-c C-l (org-store-link), looking at the org source shows me that, indeed, the newly generated ID ("id:3A50..." in that example) has been used.
>> (3) When I do a C-c C-o (org-open-at-point) on the new link, the target org-file is opened at exactly the right place - nice!
>> (4) When I export the file as HTML, the link works exactly as expected: "<a href="some-file.html#ID-3A50...">
>> 
>> Here is the problem: I have two computers with very similar setups (Emacs and Org-mode: same versions; laptop and desktop) and synchronize org-files via a subversion repository. If I do a subversion update (sync the org-files to that computer) and then export to HTML on that computer, the previously working links do not work any more: there is no "#ID-..." in the link, in fact, the link is simply to the file that contains the link (not even the file I want to link to). Maybe Org-mode was not able to find the "id"?

[...]

> I think you need to look in the ~/.emacs.d/.org-id-locations file.  This
> maps link ids to files.
> 
> -Bernt

I think it is very likely that this is part of problem - I synchronize the directories containing my org-files and have, so far, done nothing about "~/.emacs.d/.org-id-locations". 

What is the best way to deal with this?
- Synchronize?
- Delete?
- Force re-generation?

I have just taken a look at that file. It seems to map one id to one file. How does that help Org-mode if I rename an org-file that contains an id?

Many thanks for your help!
Warm regards,
 Stefan
-- 
Dr. Stefan Vollmar, Dipl.-Phys.
Head of IT group
Max-Planck-Institut für neurologische Forschung
Gleuelerstr. 50, 50931 Köln, Germany
Tel.: +49-221-4726-213  FAX +49-221-4726-298
Tel.: +49-221-478-5713  Mobile: 0160-93874279
Email: vollmar@nf.mpg.de   http://www.nf.mpg.de

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