From mboxrd@z Thu Jan  1 00:00:00 1970
From: Nicolas Goaziou <n.goaziou@gmail.com>
Subject: Re: having problems exporting to Beamer
Date: Sun, 14 Apr 2013 19:16:06 +0200
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In-Reply-To: <87vc7pdoox.fsf@gmail.com> (Eric Schulte's message of "Sun, 14
	Apr 2013 11:08:12 -0600")
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To: Eric Schulte <schulte.eric@gmail.com>
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Eric Schulte <schulte.eric@gmail.com> writes:

> Thanks, with this variable set to an empty string I am making it further
> in the export process.  I would suggest that either the initial value of
> this variable be set to an empty string, or a nil value should be
> handled gracefully.

The default value for this variable is already the empty string.

> After fixing the above I reached a new error.  There was no "beamer"
> class defined in my `org-latex-classes'.  

This is already the case. You should update Org.

> Finally, I ran into a third and even more minor problem.  Illustrated by
> the following example.
>
> #+TITLE: Example Presentation
> #+Options: ^:nil toc:nil
>
> * Breeders Equation
> \begin{equation*}
>   R = h^{2}S
> \end{equation*}
>
> - R :: response
> - h^{2} :: heritability
> - S :: selective distance
>
> When exported to a beamer presentation, what should be h squared is
> instead exported as h^{2}.

You explicitly tell the exporter to not export sub/superscript with
^:nil. Just set it to t.

Thanks for testing this.


Regards,

-- 
Nicolas Goaziou