The bug:

write file ~/scheme-test.org with the content below:

-------8<--------------

#+BEGIN_SRC scheme :exports results :results output raw

  (display "Hello Scheme in OrgMode")

#+END_SRC

-------8<--------------

and run:

emacs --batch --eval='(load "~/.emacs.d/init.el")' ~/scheme-test.org -f org-html-export-to-html

you will find the bug:

`org-babel-scheme-execute-with-geiser' uses `current-message' to get the results of scheme code blocks, but `current-message' always returns nil in batch mode, and this patch fixes this.

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KDr2, http://kdr2.com