From mboxrd@z Thu Jan  1 00:00:00 1970
From: zwz <zhangweize@gmail.com>
Subject: Re: BUG: footnote conflicts with code export to pdf
Date: Tue, 25 Oct 2011 21:54:15 +0800
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Nick Dokos <nicholas.dokos@hp.com> writes:

> zwz <zhangweize@gmail.com> wrote:
>
>
>> >> Then you modify it:
>> >> #+begin_src org
>> >> * test
>> >>   #+BEGIN_SRC c
>> >>   void main(){
>> >>     int a[5];
>> >>   }
>> >>   #+END_SRC
>> >> #+end
>> >> 
>> >> It says "org-export-latex-preprocess: Wrong type argument: stringp,
>> > nil"
>> >> when you try to export the file.
>> >> 
>> >> 
>> >
>> > You didn't say what version of org you are using. I cannot reproduce
> it
>> > in Org-mode version 7.7 (release_7.7.416.g93bd.dirty)
>> >
>> > Nick
>> 
>> I am using org-mode 7.7-1 (installed by pacman on Archlinux).
>> 
>> 
>
> Just for future reference: this version does not exist in git, so it
> doesn't tell me much. What does M-x org-version say? That's the
> important thing (of course, the Archlinux people might have modified it
> but it's still the best bet when reporting versions).
>
> Be that as it may, I checked that release_7.7 had the problem, so I
> tried
> a bisection and found that the fix is in the following commit:
>
> ,----
> | commit c3631aae7e68565978433cad8c4a2b286e91dfac
> | Author: Nicolas Goaziou <n.goaziou@gmail.com>
> | Date:   Sat Jul 30 12:38:06 2011 +0200
> | 
> | org-footnote: prevent LaTeX export from catching footnotes in protect
> environment
> |     
> |     * lisp/org-footnote.el (org-footnote-in-valid-context-p): check
> |       `org-protected' property before allowing to match a footnote.
> | (org-footnote-at-reference-p): remove an obsolete test. It's now done
> |     in the previous function.
> `----
>
> Nick

Thanks for pointing this out.
Now I get the latest org, and it is smooth.