Org-ref pre-process hook & org babel for shell

main.org

@@ -472,6 +472,7 @@ updating our bibliography.
 	bibtex-autokey-titlewords 2
 	bibtex-autokey-titlewords-stretch 1
 	bibtex-autokey-titleword-length 5)
+  (add-hook 'org-export-before-parsing-functions 'org-ref-csl-preprocess-buffer)
   :require org-ref org-ref-helm oc-bibtex oc-bibtex oc-csl oc-natbib)
 #+end_src
 
@@ -695,7 +696,8 @@ taking package.
   (org-babel-do-load-languages
    'org-babel-load-languages
    '((emacs-lisp . t)
-     (python . t))))
+     (python . t)
+     (shell . t))))
 #+end_src
 
 * Flutter