From mboxrd@z Thu Jan  1 00:00:00 1970
From: Suvayu Ali <fatkasuvayu+linux@gmail.com>
Subject: Re: Overlay in beamer?
Date: Wed, 7 May 2014 11:09:45 +0200
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Hi Eric,

On Wed, Apr 30, 2014 at 06:00:53PM +0100, Eric S Fraga wrote:
> 
> What may not be easy or possible is to use the \only directive, which is
> what I used in my previous response to you.

You can always use the only environment.
<https://github.com/suvayu/.emacs.d/blob/master/org-mode-config.el#L215>

That said, I think overlays with only is not as smooth as with simple
overlay specifications to regular environments or macros like
\includegraphics, \item, etc.

As for an :overlay specification, I believe it is already supported but
only for lists (ox-beamer.el:725).  I would love to have that for images
too!

Cheers,

-- 
Suvayu

Open source is the future. It sets us free.