Achim Gratz <Stromeko@Nexgo.DE> writes:

> Am 28.03.2013 20:35, schrieb Andreas Leha:
>> so it seems, currently, I (and John...) can not have both, /file local/
>> and /language local/ variables.
>>
>> - The emacs-lisp-block
>>    #+begin_src emacs-lisp
>>      (setq org-babel-default-header-args:R
>>            '((:session . "org-R")))
>>    #+end_src
>>    works, of course, but sets the R-session globally.
>>
>> - The file-local variables (both way to set them) choke on the colon in
>>    the varible name.
>
> You could use
>
> eval: (setq etq org-babel-default-header-args:R '((:session . "org-R")))
>
> instead of setting the variable directly.
>

The above sets the value globally, the following should work for
everyone.