finally I found the problem: it was not at all related to org or babel, but due to a function in my ess-send-input-hook.
sorry for bothering :) Thomas Alexander Gerds <tagt...@sund.ku.dk> writes: > still a beginner, and maybe therefore, in my setup (release is: > 7.8.03, > emacs 23.2.1) the following occurs > > -------------org.snip----------------------- > * here it works: org-ctrl-c-ctrl-c and export > > #+begin_src R :results output :exports results > foo=matrix(1:2) > foo > #+end_src > > #+RESULTS: > : [,1] > : [1,] 1 > : [2,] 2 > > * here it does not: > > #+begin_src R :results output :exports results :session *R* > foo=matrix(3:8) > foo > #+end_src > > the buffer *R* shows this: > >> 'org_babel_R_eoe' > [1] "org_babel_R_eoe" > ----------------org.snap------------------ > > some debugging revealed this: > > ELISP> (org-babel-R-evaluate-session "*R*" "foo=matrix(1:2)\nfoo" > output '("output" "replace") nil nil) > *** Eval error *** > ELISP> (org-babel-R-evaluate-external-process "foo=matrix(1:2)\nfoo" > output '("output" "replace") nil nil) > " [,1]\n[1,] 1\n[2,] 2\n" > > but strange-enough when I try to edebug org-babel-R-evaluate-session, > I > get an error: > > Symbol's value as variable is void: edebug-after > > can someone explain this? > > thanks! > tomy -- Thomas A. Gerds -- Assoc. Prof. Department of Biostatistics University of Copenhagen, Ă˜ster Farimagsgade 5, 1014 Copenhagen, Denmark Office: CSS-15.2.07 (Gamle Kommunehospital) tel: 35327914 (sec: 35327901)