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/lua.vim

@@ -0,0 +1,42 @@
+" Vim filetype plugin file.
+" Language:	Lua 4.0+
+" Maintainer:	Max Ischenko <mfi@ukr.net>
+" Last Change:	2012 Mar 07
+
+" Only do this when not done yet 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
+
+" Set 'formatoptions' to break comment lines but not other lines, and insert
+" the comment leader when hitting <CR> or using "o".
+setlocal fo-=t fo+=croql
+
+setlocal com=:--
+setlocal cms=--%s
+setlocal suffixesadd=.lua
+
+
+" The following lines enable the macros/matchit.vim plugin for
+" extended matching with the % key.
+if exists("loaded_matchit")
+
+  let b:match_ignorecase = 0
+  let b:match_words =
+    \ '\<\%(do\|function\|if\)\>:' .
+    \ '\<\%(return\|else\|elseif\)\>:' .
+    \ '\<end\>,' .
+    \ '\<repeat\>:\<until\>'
+
+endif " exists("loaded_matchit")
+
+let &cpo = s:cpo_save
+unlet s:cpo_save
+
+let b:undo_ftplugin = "setlocal fo< com< cms< suffixesadd<"