From mboxrd@z Thu Jan  1 00:00:00 1970
From: Nick Dokos <nicholas.dokos@hp.com>
Subject: Re: 6.29c export latex bug?
Date: Mon, 10 Aug 2009 20:21:40 -0400
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In-Reply-To: Message from zwz <zhangweize@gmail.com>
	of "Mon, 10 Aug 2009 23:26:22 +0200." <871vnj743l.fsf@gmail.com>
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To: zwz <zhangweize@gmail.com>
Cc: emacs-orgmode@gnu.org

zwz <zhangweize@gmail.com> wrote:

> Here is the content of my org file:
> > >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >
> > * Test                                >
> >   |     | A | B |                     >
> >   |-----+---+---|                     >
> >   | com | 1 | 2 |                     >
> >   | org | 3 | 4 |                     >
> >                                       >
> >   Some math formulae:                 >
> >                                       >
> >   y =3D x_1^2 + x_2^2                   >
> >                                       >
> >   y^2 =3D 2x^2 + 1                      >
> >                                       >
> >   z_2 =3D x_1 + x_2 + 2 (y_1 + y_2 + r) >
> > >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >
> 
> Then I press C-c C-e l, I get the debug back-trace:
> 
> Debugger entered--Lisp error: (wrong-type-argument arrayp nil)
>   replace-regexp-in-string("||" "|" nil)
>   org-export-latex-tables(t)
> 

I can reproduce this. I also tried with a different table and I can
verify zwz's subsequent finding that a non-empty, non-headline line
above the table fixes it. I looked at the org-export-latex-tables
code, but since I couldn't come up with something obvious, I did
a git bisect and got this:

31ceed47ffd3070418dd34316fef8869d2434c26 is first bad commit
commit 31ceed47ffd3070418dd34316fef8869d2434c26
Author: Carsten Dominik <carsten.dominik@gmail.com>
Date:   Tue Jun 30 07:24:57 2009 +0200

    New minor mode org-indent-mode
    
    This mode implements outline indentation similar to clean view, but in
    a dynamic and virtual way, at display time.

HTH,
Nick

PS. Note that org-indent-mode is *not* enabled. I get an error when I try
to enable it, but that's another story.