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But non-R code blocks do not have a default session value. #+begin_src sh date #+end_src #+RESULTS: : Mi 27. Mär 21:18:49 CET 2013 #+end_org
Would say rather: global defaults are not predictable from users perspective, as global :seesion settings may have an effect or not. See in Common Lisp for example, which is always in session-mode IIUC