re-integrate runtime/ vim-patch:0 #938

Vim runtime files based on 7.4.384 / hg changeset 7090d7f160f7

Excluding:
  Amiga icons (*.info, icons/)
  doc/hangulin.txt
  tutor/
  spell/
  lang/ (only used for menu translations)
  macros/maze/, macros/hanoi/, macros/life/, macros/urm/
      These were used to test vi compatibility.
  termcap
      "Demonstration of a termcap file (for the Amiga and Archimedes)"

Helped-by: Rich Wareham <rjw57@cam.ac.uk>
Helped-by: John <john.schmidt.h@gmail.com>
Helped-by: Yann <yann@yann-salaun.com>
Helped-by: Christophe Badoit <c.badoit@lesiteimmo.com>
Helped-by: drasill <github@tof2k.com>
Helped-by: Tae Sandoval Murgan <taecilla@gmail.com>
Helped-by: Lowe Thiderman <lowe.thiderman@gmail.com>

runtime/ftplugin/rhelp.vim

@@ -0,0 +1,29 @@
+" Vim filetype plugin file
+" Language: R help file
+" Maintainer: Jakson Alves de Aquino <jalvesaq@gmail.com>
+" Last Change:	Wed Jul 09, 2014  06:23PM
+
+" 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,_,.
+
+if has("gui_win32") && !exists("b:browsefilter")
+  let b:browsefilter = "R Source Files (*.R *.Rnw *.Rd *.Rmd *.Rrst)\t*.R;*.Rnw;*.Rd;*.Rmd;*.Rrst\n" .
+        \ "All Files (*.*)\t*.*\n"
+endif
+
+let b:undo_ftplugin = "setl isk< | unlet! b:browsefilter"
+
+let &cpo = s:cpo_save
+unlet s:cpo_save
+
+" vim: sw=2