>
> Apologies - I am still struggling with encryption......
>
> So here is my example:
>
> --8<---------------cut here---------------start------------->8---
> #+TITLE: single_to_multi
> #+DATE: <2013-10-15 Tue>
> #+AUTHOR: Rainer M. Krug
> #+EMAIL: Rainer@krugs.de
>
> ≈* Load R packages and data
> #+BEGIN_SRC R
> cat("Loading Data\n")
> #+END_SRC
> --8<---------------cut here---------------end--------------->8---
>
> I am using only org loaded and R enabled.
>
> C-c C-c on the block produces the error
>
> emacs version: 
> GNU Emacs 24.3.1 (x86_64-apple-darwin13.0.0, Carbon Version 1.6.0
> AppKit 1265) of 2014-02-13 on Rainers-MacBook-Pro-2.local
>
> org version:
> Org-mode version 8.2.5h (release_8.2.5h-837-gb296cc @
> /Users/rainerkrug/.emacs.d/org-mode/lisp/)
>

Thanks, a fixed version of the patch is attached.  If this works please
let me know and I'll apply.

Best,