Re: [Orgmode] org-mode can not precess some LATEX environment

[Carsten Dominik]

On Aug 11, 2009, at 3:41 PM, Nick Dokos wrote:

> waterloo <address@hidden> wrote:
>
> > Excuse me .
> > I put the following latex code in an org file , and put point in  
> > it ,C-c
> > C-x  C-l.  It don't produce the correct image. There is only an  
> > square
> > appearing . The latex environment is include in amsmath package,  
> > which is
> > include in Org Format Latex Header defautly.
> >
> >
> > \begin{matrix}
> > 1&d\\
> > d&d\\
> > \end{matrix}
>
> I cannot be sure whether "waterloo" sees the same problem (from his
> description, it seems that he gets just an empty square which  
> indicates
> additional/different problems - maybe missing the dvipng program?),

Yes, this seems to be a different problem.  Maybe the problem is  
thatthe matrix environment must be inside a math environment?


> but
> I do see a problem.  Here is the org file:
>
> ,----
> | #+LaTeX_HEADER: \usepackage{amsmath}

This is actually not necessary, I was mistaken here.

> |
> | * foo
> |
> | \[
> | \begin{matrix}
> | 1&d\\
> | d&d\\
> | \end{matrix}
> | \]
> |
> `----
>
> I can export this to LaTeX just fine (and I need the additional  
> header,
> at least in that case - I have not tried without it). But when I try  
> the
> preview C-c C-x C-l on the fragment, I get the preview of the matrix
> twice with an empty square separating the two instances.  I attach a  
> PNG
> image of the result. I checked the image that is produced in the  
> ltxpng
> subdirectory: it's just the image of the matrix, no problem there.

Hmm, another fun and interesting bug!

Fixed now.  Thanks.

- Carsten