Aloha Nicolas,
Using the filter you kindly provided (below) and this construct, "/Sida/
cf. /fallax/" I get the following incorrect LaTeX export, "\emph{Sida}
cf.~/fallax/". I'm expecting "\emph{Sida} cf.~\emph{fallax}".
All the best,
Tom
#+name: ngz-nbsp
#+begin_src emacs-lisp
(defun ngz-latex-filter-nobreaks (text backend info)
"Ensure \"_\" are properly handled in Beamer/LaTeX export."
(when (memq backend '(e-beamer e-latex))
(replace-regexp-in-string " " "~" text)))
(add-to-list 'org-export-filter-plain-text-functions
'ngz-latex-filter-nobreaks)
#+end_src
--
Thomas S. Dye
http://www.tsdye.com