diff --git a/runtime/ftplugin/lua.vim b/runtime/ftplugin/lua.vim
index 2604257..aaa61f7 100644
--- a/runtime/ftplugin/lua.vim
+++ b/runtime/ftplugin/lua.vim
@@ -1,46 +1,46 @@
 " Vim filetype plugin file.
-" Language:	        Lua
+" Language:		Lua
 " Maintainer:		Doug Kearns <dougkearns@gmail.com>
 " Previous Maintainer:	Max Ischenko <mfi@ukr.net>
-" Last Change:	        2021 Nov 15
+" Contributor:		Dorai Sitaram <ds26@gte.com>
+" Last Change:		2022 Sep 05
 
-" 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 comments=:--
+setlocal commentstring=--\ %s
 setlocal formatoptions-=t formatoptions+=croql
 
-setlocal comments=:--
-setlocal commentstring=--%s
+let &l:define = '\<function\|\<local\%(\s\+function\)\='
+
 setlocal suffixesadd=.lua
 
-let b:undo_ftplugin = "setlocal fo< com< cms< sua<"
+let b:undo_ftplugin = "setlocal cms< com< def< fo< sua<"
 
 if exists("loaded_matchit") && !exists("b:match_words")
   let b:match_ignorecase = 0
   let b:match_words =
-        \ '\<\%(do\|function\|if\)\>:' .
-        \ '\<\%(return\|else\|elseif\)\>:' .
-        \ '\<end\>,' .
-        \ '\<repeat\>:\<until\>,' .
-        \ '\%(--\)\=\[\(=*\)\[:]\1]'
-  let b:undo_ftplugin .= " | unlet! b:match_words b:match_ignorecase"
+	\ '\<\%(do\|function\|if\)\>:' ..
+	\ '\<\%(return\|else\|elseif\)\>:' ..
+	\ '\<end\>,' ..
+	\ '\<repeat\>:\<until\>,' ..
+	\ '\%(--\)\=\[\(=*\)\[:]\1]'
+  let b:undo_ftplugin ..= " | unlet! b:match_words b:match_ignorecase"
 endif
 
 if (has("gui_win32") || has("gui_gtk")) && !exists("b:browsefilter")
-  let b:browsefilter = "Lua Source Files (*.lua)\t*.lua\n" .
-	\              "All Files (*.*)\t*.*\n"
-  let b:undo_ftplugin .= " | unlet! b:browsefilter"
+  let b:browsefilter = "Lua Source Files (*.lua)\t*.lua\n" ..
+	\	       "All Files (*.*)\t*.*\n"
+  let b:undo_ftplugin ..= " | unlet! b:browsefilter"
 endif
 
 let &cpo = s:cpo_save
 unlet s:cpo_save
+
+" vim: nowrap sw=2 sts=2 ts=8 noet: