On Wed, Nov 23, 2022 at 09:35:36PM +0100, Bastien wrote: > Hi North, > > North Year writes: > > > #+begin_src emacs-lisp > > (org-babel-do-load-languages > > 'org-babel-load-languages > > '((r . t))) > > #+end_src > > I suggest you try with an uppercase "R": There is an "r", which is basically a flavour of "R" [1] (it's actually just an R with some initialization stuff making it friendlier for some tasks). I think that's what the OP was pointing at. Cheers [1] https://dirk.eddelbuettel.com/code/littler.html -- t