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When I read a file into R, and the file contain characters like "ç" or "é" (latin characters) in a string, the ess-buffer shows meaninless (to me) numbers. For example, the string "ações" is displayed "a\307\325es". Do you know how to fix it?
It seems file coding system was not detected properly. To open a file with a specific coding system in Emacs use:
C-x RET c coding-system RET C-x C-f filename RET
Where coding-system should be the one used by R.
Required, but never shown