Updated runtime files.

runtime/ftplugin/r.vim

@@ -0,0 +1,31 @@
+" Vim filetype plugin file
+" Language: R
+" Maintainer: Jakson Alves de Aquino <jalvesaq@gmail.com>
+" Last Change:	Sun Feb 23, 2014  04:07PM
+
+" Only do this when not yet done for this buffer
+if exists("b:did_ftplugin")
+  finish
+endif
+
+" Don't load another plugin for this buffer
+let b:did_ftplugin = 1
+
+let s:cpo_save = &cpo
+set cpo&vim
+
+setlocal iskeyword=@,48-57,_,.
+setlocal formatoptions-=t
+setlocal commentstring=#\ %s
+setlocal comments=:#',:###,:##,:#
+
+if has("gui_win32") && !exists("b:browsefilter")
+  let b:browsefilter = "R Source Files (*.R)\t*.R\n" .
+        \ "Files that include R (*.Rnw *.Rd *.Rmd *.Rrst)\t*.Rnw;*.Rd;*.Rmd;*.Rrst\n" .
+        \ "All Files (*.*)\t*.*\n"
+endif
+
+let b:undo_ftplugin = "setl cms< com< fo< isk< | unlet! b:browsefilter"
+
+let &cpo = s:cpo_save
+unlet s:cpo_save