Re: New exporter, beamer confusion

[Eric S Fraga <e.fraga@ucl.ac.uk>]

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Nicolas Goaziou <n.goaziou@gmail.com> writes:


[...]

> Here's an excerpt from ox-beamer.el documentation:
>
> ;; - Headlines become frames when their level is equal to
> ;;   `org-beamer-frame-level' (or "H" value in the OPTIONS line).

Nicolas,

I have decided to bite the bullet and try to get all of my beamer files
working with the new exporter.  I have started simply with the
presentation.org file that I had put on Worg for the tutorial on beamer
for the old exporter.

A truncated version of that file (very minimal and attached) fails
completely to export.  I get the following (truncated) error trace:

,----
| Debugger entered--Lisp error: (wrong-type-argument buffer-or-string-p t)
|   get-text-property(0 org-props t)
|   org-get-text-property-any(0 org-props t)
|   org-beamer-sectioning(1 t)
|   funcall(org-beamer-sectioning 1 t)
|   (if (and (symbolp (nth 2 class-sectionning)) (fboundp (nth 2 class-sectionning))) (funcall (nth 2 class-sectionning) level numberedp) (nth (1+ level) class-sectionning))
|   ...
|   org-e-latex-headline((headline (:raw-value "Introduction" :begin 359 :end 444 ...
`----

I have attached the simple test file.

Where am I going wrong?  If I change H:2 to H:1, it works although
obviously the output is not what I want.  Have I misunderstand something
rather fundamental?

Thanks,
eric

-- 
: Eric S Fraga, GnuPG: 0xC89193D8FFFCF67D
: in Emacs 24.3.50.1 and Org 7.9.3e-898-gcb1386

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#+TITLE:     Writing Beamer presentations in org-mode
#+AUTHOR:    Eric S Fraga
#+EMAIL:     e.fraga@ucl.ac.uk
#+DATE:      2010-03-30 Tue

#+startup: oddeven

#+LaTeX_CLASS: beamer
#+LaTeX_CLASS_OPTIONS: [bigger]
#+BEAMER_THEME: Madrid
#+OPTIONS:   H:2

# +COLUMNS: %20ITEM %13BEAMER_env(Env) %6BEAMER_envargs(Args) %4BEAMER_col(Col) %7BEAMER_extra(Extra)

* Introduction
** Overview
- org-mode template
- beamer structure
- beamer settings