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Emacs, R, Sweave: UTF-8 encoding is not recognized when starting Sweave through Emacs

I am working with Emacs 24 on Mac OS X 10.7.3 with R 2.14.0. I have a file foo.Rnwcontaining

\documentclass[
paper=a4,% 210mm × 297mm
pagesize% write page size to dvi
]{article}

\usepackage[american]{babel}
\usepackage{fancyvrb}

\usepackage[utf8]{inputenc}

\SweaveOpts{engine=R}
\SweaveOpts{pdf=TRUE}

\begin{document}
Some text
<<>>=
sessionInfo()
@
\end{document}

My .emacsfor work with Sweave looks like this:

(add-hook 'Rnw-mode-hook
  (lambda ()
    (add-to-list 'TeX-command-list
         '("Sweave" "R CMD Sweave %s"
           TeX-run-command nil t :help "Run Sweave") t)
    (add-to-list 'TeX-command-list
         '("Stangle" "R CMD Stangle %s"
           TeX-run-command nil t :help "Run Stangle") t)
    (setq TeX-command-default "Sweave")))

If I use C-c C-c, and then select Sweave, the file .texlooks like this:

\documentclass[
NA
pagesize% write page size to dvi
]{article}

\usepackage[american]{babel}
\usepackage{fancyvrb}

\usepackage[utf8]{inputenc}




\usepackage{Sweave}
\begin{document}
Some text
\begin{Schunk}
\begin{Sinput}
> sessionInfo()
\end{Sinput}
\begin{Soutput}
R version 2.14.0 (2011-10-31)
Platform: x86_64-apple-darwin11.2.0/x86_64 (64-bit)

locale:
[1] C

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base     

loaded via a namespace (and not attached):
[1] tools_2.14.0
\end{Soutput}
\end{Schunk}
\end{document}

, foo.Rnw, -ASCII ×, NA. , , R (. locale: [1] C. export LC_MESSAGES="en_US.UTF-8" export LC_MESSAGES="en_US.UTF-8", R locale. R CMD Sweave foo.Rnw (, , .bashrc , , locale). : Emacs, Sweave C-c C-c Sweave? , Emacs , .bashrc, , R CMD Sweave, Emacs, , ?

, Mac Emacs. , R CMD Sweave foo.Rnw (- .bashrc) - - ​​ Emacs ( ).

UPDATE:

My ~/.bashrc :

export LC_COLLATE="en_US.UTF-8"
export LC_CTYPE="en_US.UTF-8"
export LC_MONETARY="en_US.UTF-8"
export LC_TIME="en_US.UTF-8"
export LC_MESSAGES="en_US.UTF-8"

Yihui, ~/.Rprofile:

invisible(Sys.setlocale("LC_COLLATE", "en_US.UTF-8"))
invisible(Sys.setlocale("LC_CTYPE", "en_US.UTF-8"))
invisible(Sys.setlocale("LC_MONETARY", "en_US.UTF-8"))
invisible(Sys.setlocale("LC_TIME", "en_US.UTF-8"))
invisible(Sys.setlocale("LC_MESSAGES", "en_US.UTF-8"))

.

+5
1

UPDATE.

@cbeleites: Mac OS X ( R 2-14), .

0

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