I have a weird issue.
i can get syntax highlighting working on all code blocks (Python,elisp,ruby etc) BUT R statistics highlighting dosent work. below is my config entry for org-babel-load-languages.
#+begin_src emacs-lisp results none
; And add babel inline code execution
; babel, for executing code in org-mode.
(org-babel-do-load-languages
'org-babel-load-languages
; load all language marked with (lang . t).
'((C . t)
(R . t)
(asymptote)
(awk)
(calc)
(clojure)
(comint)
(css)
(ditaa . t)
(dot . t)
(emacs-lisp . t)
(fortran)
(gnuplot . t)
(haskell)
(io)
(java)
(js)
(latex)
(ledger)
(lilypond)
(lisp)
(matlab)
(maxima)
(mscgen)
(ocaml)
(octave)
(org . t)
(perl)
(picolisp)
(plantuml)
(python . t)
(ref)
(ruby)
(sass)
(scala)
(scheme)
(screen)
(sh . t)
(shen)
(sql)
(sqlite)))
#+end_src