Re: latex fragment problems with * environments

From: Carsten Dominik <carsten.dominik@gmail.com>
To: Eric S Fraga <e.fraga@ucl.ac.uk>
Cc: emacs-orgmode@gnu.org
Subject: Re: latex fragment problems with * environments
Date: Mon, 11 May 2009 22:52:19 +0200	[thread overview]
Message-ID: <545921C6-2249-45B7-812B-225AE4113987@gmail.com> (raw)
In-Reply-To: <87bppzbjre.fsf@eeepc.chemeng.ucl.ac.uk>

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Hi Eric,

this was fixed 11 days ago in commit

    5f86fd7ae2da40b20c967382fa938fc871fb7e44

If you use the latet git version, this problem will not be present.

- Carsten

On May 11, 2009, at 8:02 PM, Eric S Fraga wrote:

> Carsten et al.,
>
> If I have the following bit of LaTeX code in my org file:
>
> ,----
> |   \begin{eqnarray}
> |     x &=& a_i + b_j + c_{k} \\
> |     y &=& \sqrt{x}
> |   \end{eqnarray}
> |
> |   \begin{eqnarray*}
> |     x &=& a_i + b_j + c_{k} \\
> |     y &=& \sqrt{x}
> |   \end{eqnarray*}
> `----
>
> and ask for a LaTeX export, I get the following generated:
>
> ,----
> |   \begin{eqnarray}
> |     x &=& a_i + b_j + c_{k} \\
> |     y &=& \sqrt{x}
> |   \end{eqnarray}
> |
> |   \begin{eqnarray*}
> |     x \&=\& a$_i$ + b$_j$ + c$_{k}$ \\
> |     y \&=\& \sqrt{x}
> |   \end{eqnarray*}
> `----
>
> The second environment has not been recognised by org-mode as a valid
> latex fragment and so all the special characters (&, _) have been
> processed instead of being left alone.
>
> This could be my fault but I have no idea where to start looking in  
> case
> I've set something I shouldn't have.  Because the latex exporter has
> changed since I last used any latex fragments in my org files, and  
> that
> has been a while, I am not sure if this ever worked properly anyway.
>
> Or it could be that "*" environments don't get recognised correctly by
> the latex exporter?  Is there a regexp that I can customise for this?
>
> Thanks for any suggestions!  I've temporarily changed all *  
> environments
> to ones with the * (so I get tons of equation numbers I don't need)  
> but
> I would love to revert to what I had originally.
>
> eric
>
>
>
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