I am very sorry and I apologize for my useless email.

A first correct reply to my problem was given four days ago on this list:

(Now I meet "overfullbox messages" and pdf is not produced... but that it
is another question.)

---------- Forwarded message ----------
From: Josiah Schwab <jschwab@gmail.com>
Date: 2016-02-22 19:52 GMT+01:00
Subject: Re: [O] ox-beamer export, no frames created
To: "John W. Burroughs" <john.w.burroughs@sympatico.ca>
Cc: emacs-orgmode@gnu.org


Hello John,

> I have been trying to produce my first presentation using org-mode and
> ox-beamer export to create a pdf.  I am not seeing separate frames for
> each slide.  For example, using the Beamer Example (12.5.6) from the
> org-mode manual, I get the following generated .tex file.
>
> There are only \subsection{} generated, instead of the \begin{frame}
> that is expected.

To me, this looks like you used the LaTeX export commands instead of the
beamer export commands.

http://orgmode.org/manual/Beamer-export-commands.html#Beamer-export-commands

Best,
Josiah


2016-02-26 9:24 GMT+01:00 Joseph Vidal-Rosset <joseph.vidal.rosset@gmail.com
>:

> Hello the list, (cc. Eric)
>
> I'm trying for some days to get in org-mode for latex class beamer an
> equivalent to the following latex code:
>
> \begin{frame}
>
>
> \end{frame}
>
> I have read the documentation and I have tested many examples, but nothing
> works correctly in my setup.
>
> the org-mode code
>
> #+BEAMER_FRAME_LEVEL: 2
>
>
> does not succeed to get clean frame.  Contrarily to the beamer mode in
> Latex, org-mode works as if it fullfills the space as far as it finds
> blanks spaces...
>
> A configuration file + example + explanation would be very welcome.
>
> Best wishes,
>
> Jo.
>
>