Re: Re: org export as twiki - Failure to export with error: (wrong-type-argument stringp nil)

From: "Mario E. Munich" <mariomu@ieee.org>
To: Baoqiu Cui <cbaoqiu@yahoo.com>
Cc: emacs-orgmode@gnu.org, Carsten Dominik <carsten.dominik@gmail.com>
Subject: Re: Re: org export as twiki - Failure to export with error: (wrong-type-argument stringp nil)
Date: Fri, 5 Mar 2010 00:15:26 -0800	[thread overview]
Message-ID: <ef75369d1003050015k51dda035x35c4b343ba9082f6@mail.gmail.com> (raw)
In-Reply-To: <bycaaun72ub.fsf@muchbodyking-lm.corp.yahoo.com>

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Dear Baoqui,

thanks a lot for the solution to the problem, it works. I learned a little
bit more about org-mode today and I keep learning everyday how to best use
such a great emacs mode.

Best regards,

-Mario

On Thu, Mar 4, 2010 at 9:30 PM, Baoqiu Cui <cbaoqiu@yahoo.com> wrote:

> "Mario E. Munich" <mariomu@ieee.org> writes:
>
> > Dear Baoqiu,
> >
> > thanks a lot for the reply... I have done some level of debugging (I
> > should have probably done it before, but I was not sure of what was
> > going on) and I had realized that the problem is in using  brackets [ ]
> > in the text.
> >
> > Please find enclosed a simple file that will depict the issue.
>
> Hi Mario,
>
> Thanks for posting your example Org file.  Now I am able to reproduce
> the problem and know where the bug is.
>
> Just as you said, the problem is caused by the last line that contains
> strings "double[9]" and "double[3][3]".  Here "[9]" and "[3]" are
> considered footnote references (and I don't think this is what you
> wanted), so some code is executed to find the footnote definitions.
>
> The problem happens when the *second* "[3]" is being processed.
> Strictly speaking, the second "[3]" is NOT considered as a footnote
> reference according to ``org-footnote-re'' (see org-footnote.el), but
> some code in org-docbook.el and org-html.el does not use
> ``org-footnote-re'' and still treats it as a footnote reference.  This
> inconsistency caused the problem you saw, and it is only visible in
> DocBook exporter.
>
> Before I try to fix the problem, I'd like to get Carsten's confirmation
> on the footnote reference syntax: whether the second "[3]", which
> immediately follows a character "]", should be treated as a footnote
> reference.
>
> To get around this problem, you can try changing the last line to
> something like:
>
>  - =double[9]= was less efficient that =double[3][3]=,
>
> Please let me know if you have further questions.
>
> > Best regards,
> >
> > -Mario
> > #+FILETAGS: personal
> >
> > * Converting org pages to Twiki
> >   - use docbook2twiki http://code.google.com/p/docbook2twiki/
> >     - Checkout docbook2twiki: <2009-09-24 Thu>
> >       svn checkout http://docbook2twiki.googlecode.com/svn/trunk/docbook2twiki-read-only
> >       - retrieved r5 from that repository
> >     - Load org-twiki.el
> >     - Publish buffer with: M-x org-export-as-twiki
> >   - double[9] was less efficient that double[3][3],
> >
> >
>
> Thanks,
>
> --
> Baoqiu
>

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