diff --git a/runtime/syntax/lua.vim b/runtime/syntax/lua.vim
index c40c628..18e97ff 100644
--- a/runtime/syntax/lua.vim
+++ b/runtime/syntax/lua.vim
@@ -1,11 +1,11 @@
 " Vim syntax file
-" Language:	Lua 4.0, Lua 5.0 and Lua 5.1
-" Maintainer:	Marcus Aurelius Farias <marcus.cf 'at' bol com br>
+" Language:	Lua 4.0, Lua 5.0, Lua 5.1 and Lua 5.2
+" Maintainer:	Marcus Aurelius Farias <masserahguard-lua 'at' yahoo com>
 " First Author:	Carlos Augusto Teixeira Mendes <cmendes 'at' inf puc-rio br>
-" Last Change:	2006 Aug 10
+" Last Change:	2011 Dec 20
 " Options:	lua_version = 4 or 5
-"		lua_subversion = 0 (4.0, 5.0) or 1 (5.1)
-"		default 5.1
+"		lua_subversion = 0 (4.0, 5.0) or 1 (5.1) or 2 (5.2)
+"		default 5.2
 
 " For version 5.x: Clear all syntax items
 " For version 6.x: Quit when a syntax file was already loaded
@@ -16,9 +16,9 @@
 endif
 
 if !exists("lua_version")
-  " Default is lua 5.1
+  " Default is lua 5.2
   let lua_version = 5
-  let lua_subversion = 1
+  let lua_subversion = 2
 elseif !exists("lua_subversion")
   " lua_version exists, but lua_subversion doesn't. So, set it to 0
   let lua_subversion = 0
@@ -30,14 +30,14 @@
 syn sync minlines=100
 
 " Comments
-syn keyword luaTodo             contained TODO FIXME XXX
-syn match   luaComment          "--.*$" contains=luaTodo,@Spell
+syn keyword luaTodo            contained TODO FIXME XXX
+syn match   luaComment         "--.*$" contains=luaTodo,@Spell
 if lua_version == 5 && lua_subversion == 0
-  syn region  luaComment        matchgroup=luaComment start="--\[\[" end="\]\]" contains=luaTodo,luaInnerComment,@Spell
-  syn region  luaInnerComment   contained transparent start="\[\[" end="\]\]"
+  syn region luaComment        matchgroup=luaComment start="--\[\[" end="\]\]" contains=luaTodo,luaInnerComment,@Spell
+  syn region luaInnerComment   contained transparent start="\[\[" end="\]\]"
 elseif lua_version > 5 || (lua_version == 5 && lua_subversion >= 1)
   " Comments in Lua 5.1: --[[ ... ]], [=[ ... ]=], [===[ ... ]===], etc.
-  syn region  luaComment        matchgroup=luaComment start="--\[\z(=*\)\[" end="\]\z1\]" contains=luaTodo,@Spell
+  syn region luaComment        matchgroup=luaComment start="--\[\z(=*\)\[" end="\]\z1\]" contains=luaTodo,@Spell
 endif
 
 " First line may start with #!
@@ -46,59 +46,66 @@
 " catch errors caused by wrong parenthesis and wrong curly brackets or
 " keywords placed outside their respective blocks
 
-syn region luaParen transparent start='(' end=')' contains=ALLBUT,luaError,luaTodo,luaSpecial,luaCond,luaCondElseif,luaCondEnd,luaCondStart,luaBlock,luaRepeatBlock,luaRepeat,luaStatement
-syn match  luaError ")"
+syn region luaParen transparent start='(' end=')' contains=TOP,luaParenError
+syn match  luaParenError ")"
 syn match  luaError "}"
 syn match  luaError "\<\%(end\|else\|elseif\|then\|until\|in\)\>"
 
 " Function declaration
-syn region luaFunctionBlock transparent matchgroup=luaFunction start="\<function\>" end="\<end\>" contains=ALLBUT,luaTodo,luaSpecial,luaCond,luaCondElseif,luaCondEnd,luaRepeat
+syn region luaFunctionBlock transparent matchgroup=luaFunction start="\<function\>" end="\<end\>" contains=TOP
 
-" if then else elseif end
-syn keyword luaCond contained else
+" else
+syn keyword luaCondElse matchgroup=luaCond contained containedin=luaCondEnd else
 
 " then ... end
-syn region luaCondEnd contained transparent matchgroup=luaCond start="\<then\>" end="\<end\>" contains=ALLBUT,luaTodo,luaSpecial,luaRepeat
+syn region luaCondEnd contained transparent matchgroup=luaCond start="\<then\>" end="\<end\>" contains=TOP
 
 " elseif ... then
-syn region luaCondElseif contained transparent matchgroup=luaCond start="\<elseif\>" end="\<then\>" contains=ALLBUT,luaTodo,luaSpecial,luaCond,luaCondElseif,luaCondEnd,luaRepeat
+syn region luaCondElseif contained containedin=luaCondEnd transparent matchgroup=luaCond start="\<elseif\>" end="\<then\>" contains=TOP
 
 " if ... then
-syn region luaCondStart transparent matchgroup=luaCond start="\<if\>" end="\<then\>"me=e-4 contains=ALLBUT,luaTodo,luaSpecial,luaCond,luaCondElseif,luaCondEnd,luaRepeat nextgroup=luaCondEnd skipwhite skipempty
+syn region luaCondStart transparent matchgroup=luaCond start="\<if\>" end="\<then\>"me=e-4 contains=TOP nextgroup=luaCondEnd skipwhite skipempty
 
 " do ... end
-syn region luaBlock transparent matchgroup=luaStatement start="\<do\>" end="\<end\>" contains=ALLBUT,luaTodo,luaSpecial,luaCond,luaCondElseif,luaCondEnd,luaRepeat
-
+syn region luaBlock transparent matchgroup=luaStatement start="\<do\>" end="\<end\>" contains=TOP
 " repeat ... until
-syn region luaRepeatBlock transparent matchgroup=luaRepeat start="\<repeat\>" end="\<until\>" contains=ALLBUT,luaTodo,luaSpecial,luaCond,luaCondElseif,luaCondEnd,luaRepeat
+syn region luaRepeatBlock transparent matchgroup=luaRepeat start="\<repeat\>" end="\<until\>" contains=TOP
 
 " while ... do
-syn region luaRepeatBlock transparent matchgroup=luaRepeat start="\<while\>" end="\<do\>"me=e-2 contains=ALLBUT,luaTodo,luaSpecial,luaCond,luaCondElseif,luaCondEnd,luaRepeat nextgroup=luaBlock skipwhite skipempty
+syn region luaWhile transparent matchgroup=luaRepeat start="\<while\>" end="\<do\>"me=e-2 contains=TOP nextgroup=luaBlock skipwhite skipempty
 
 " for ... do and for ... in ... do
-syn region luaRepeatBlock transparent matchgroup=luaRepeat start="\<for\>" end="\<do\>"me=e-2 contains=ALLBUT,luaTodo,luaSpecial,luaCond,luaCondElseif,luaCondEnd nextgroup=luaBlock skipwhite skipempty
+syn region luaFor transparent matchgroup=luaRepeat start="\<for\>" end="\<do\>"me=e-2 contains=TOP nextgroup=luaBlock skipwhite skipempty
 
-" Following 'else' example. This is another item to those
-" contains=ALLBUT,... because only the 'for' luaRepeatBlock contains it.
-syn keyword luaRepeat contained in
+syn keyword luaFor contained containedin=luaFor in
 
 " other keywords
 syn keyword luaStatement return local break
-syn keyword luaOperator  and or not
-syn keyword luaConstant  nil
+if lua_version > 5 || (lua_version == 5 && lua_subversion >= 2)
+  syn keyword luaStatement goto
+  syn match luaLabel "::\I\i*::"
+endif
+syn keyword luaOperator and or not
+syn keyword luaConstant nil
 if lua_version > 4
   syn keyword luaConstant true false
 endif
 
 " Strings
 if lua_version < 5
-  syn match  luaSpecial contained "\\[\\abfnrtv\'\"]\|\\\d\{,3}"
-elseif lua_version == 5 && lua_subversion == 0
-  syn match  luaSpecial contained "\\[\\abfnrtv\'\"[\]]\|\\\d\{,3}"
-  syn region luaString2 matchgroup=luaString start=+\[\[+ end=+\]\]+ contains=luaString2,@Spell
-elseif lua_version > 5 || (lua_version == 5 && lua_subversion >= 1)
-  syn match  luaSpecial contained "\\[\\abfnrtv\'\"]\|\\\d\{,3}"
-  syn region luaString2 matchgroup=luaString start="\[\z(=*\)\[" end="\]\z1\]" contains=@Spell
+  syn match  luaSpecial contained "\\[\\abfnrtv\'\"]\|\\[[:digit:]]\{,3}"
+elseif lua_version == 5
+  if lua_subversion == 0
+    syn match  luaSpecial contained #\\[\\abfnrtv'"[\]]\|\\[[:digit:]]\{,3}#
+    syn region luaString2 matchgroup=luaString start=+\[\[+ end=+\]\]+ contains=luaString2,@Spell
+  else
+    if lua_subversion == 1
+      syn match  luaSpecial contained #\\[\\abfnrtv'"]\|\\[[:digit:]]\{,3}#
+    else " Lua 5.2
+      syn match  luaSpecial contained #\\[\\abfnrtvz'"]\|\\x[[:xdigit:]]\{2}\|\\[[:digit:]]\{,3}#
+    endif
+    syn region luaString2 matchgroup=luaString start="\[\z(=*\)\[" end="\]\z1\]" contains=@Spell
+  endif
 endif
 syn region luaString  start=+'+ end=+'+ skip=+\\\\\|\\'+ contains=luaSpecial,@Spell
 syn region luaString  start=+"+ end=+"+ skip=+\\\\\|\\"+ contains=luaSpecial,@Spell
@@ -106,19 +113,23 @@
 " integer number
 syn match luaNumber "\<\d\+\>"
 " floating point number, with dot, optional exponent
-syn match luaFloat  "\<\d\+\.\d*\%(e[-+]\=\d\+\)\=\>"
+syn match luaNumber  "\<\d\+\.\d*\%([eE][-+]\=\d\+\)\=\>"
 " floating point number, starting with a dot, optional exponent
-syn match luaFloat  "\.\d\+\%(e[-+]\=\d\+\)\=\>"
+syn match luaNumber  "\.\d\+\%([eE][-+]\=\d\+\)\=\>"
 " floating point number, without dot, with exponent
-syn match luaFloat  "\<\d\+e[-+]\=\d\+\>"
+syn match luaNumber  "\<\d\+[eE][-+]\=\d\+\>"
 
 " hex numbers
-if lua_version > 5 || (lua_version == 5 && lua_subversion >= 1)
-  syn match luaNumber "\<0x\x\+\>"
+if lua_version >= 5
+  if lua_subversion == 1
+    syn match luaNumber "\<0[xX]\x\+\>"
+  elseif lua_subversion >= 2
+    syn match luaNumber "\<0[xX][[:xdigit:].]\+\%([pP][-+]\=\d\+\)\=\>"
+  endif
 endif
 
 " tables
-syn region  luaTableBlock transparent matchgroup=luaTable start="{" end="}" contains=ALLBUT,luaTodo,luaSpecial,luaCond,luaCondElseif,luaCondEnd,luaCondStart,luaBlock,luaRepeatBlock,luaRepeat,luaStatement
+syn region luaTableBlock transparent matchgroup=luaTable start="{" end="}" contains=TOP,luaStatement
 
 syn keyword luaFunc assert collectgarbage dofile error next
 syn keyword luaFunc print rawget rawset tonumber tostring type _VERSION
@@ -144,127 +155,170 @@
   syn keyword luaFunc format strfind gsub
   syn keyword luaFunc getinfo getlocal setlocal setcallhook setlinehook
 elseif lua_version == 5
-  " Not sure if all these functions need to be highlighted...
-  syn keyword luaFunc _G getfenv getmetatable ipairs loadfile
-  syn keyword luaFunc loadstring pairs pcall rawequal
-  syn keyword luaFunc require setfenv setmetatable unpack xpcall
+  syn keyword luaFunc getmetatable setmetatable
+  syn keyword luaFunc ipairs pairs
+  syn keyword luaFunc pcall xpcall
+  syn keyword luaFunc _G loadfile rawequal require
   if lua_subversion == 0
+    syn keyword luaFunc getfenv setfenv
+    syn keyword luaFunc loadstring unpack
     syn keyword luaFunc gcinfo loadlib LUA_PATH _LOADED _REQUIREDNAME
-  elseif lua_subversion == 1
-    syn keyword luaFunc load module select
-    syn match luaFunc /package\.cpath/
-    syn match luaFunc /package\.loaded/
-    syn match luaFunc /package\.loadlib/
-    syn match luaFunc /package\.path/
-    syn match luaFunc /package\.preload/
-    syn match luaFunc /package\.seeall/
-    syn match luaFunc /coroutine\.running/
+  else
+    syn keyword luaFunc load select
+    syn match   luaFunc /\<package\.cpath\>/
+    syn match   luaFunc /\<package\.loaded\>/
+    syn match   luaFunc /\<package\.loadlib\>/
+    syn match   luaFunc /\<package\.path\>/
+    if lua_subversion == 1
+      syn keyword luaFunc getfenv setfenv
+      syn keyword luaFunc loadstring module unpack
+      syn match   luaFunc /\<package\.loaders\>/
+      syn match   luaFunc /\<package\.preload\>/
+      syn match   luaFunc /\<package\.seeall\>/
+    elseif lua_subversion == 2
+      syn keyword luaFunc _ENV rawlen
+      syn match   luaFunc /\<package\.config\>/
+      syn match   luaFunc /\<package\.preload\>/
+      syn match   luaFunc /\<package\.searchers\>/
+      syn match   luaFunc /\<package\.searchpath\>/
+      syn match   luaFunc /\<bit32\.arshift\>/
+      syn match   luaFunc /\<bit32\.band\>/
+      syn match   luaFunc /\<bit32\.bnot\>/
+      syn match   luaFunc /\<bit32\.bor\>/
+      syn match   luaFunc /\<bit32\.btest\>/
+      syn match   luaFunc /\<bit32\.bxor\>/
+      syn match   luaFunc /\<bit32\.extract\>/
+      syn match   luaFunc /\<bit32\.lrotate\>/
+      syn match   luaFunc /\<bit32\.lshift\>/
+      syn match   luaFunc /\<bit32\.replace\>/
+      syn match   luaFunc /\<bit32\.rrotate\>/
+      syn match   luaFunc /\<bit32\.rshift\>/
+    endif
+    syn match luaFunc /\<coroutine\.running\>/
   endif
-  syn match   luaFunc /coroutine\.create/
-  syn match   luaFunc /coroutine\.resume/
-  syn match   luaFunc /coroutine\.status/
-  syn match   luaFunc /coroutine\.wrap/
-  syn match   luaFunc /coroutine\.yield/
-  syn match   luaFunc /string\.byte/
-  syn match   luaFunc /string\.char/
-  syn match   luaFunc /string\.dump/
-  syn match   luaFunc /string\.find/
-  syn match   luaFunc /string\.len/
-  syn match   luaFunc /string\.lower/
-  syn match   luaFunc /string\.rep/
-  syn match   luaFunc /string\.sub/
-  syn match   luaFunc /string\.upper/
-  syn match   luaFunc /string\.format/
-  syn match   luaFunc /string\.gsub/
+  syn match   luaFunc /\<coroutine\.create\>/
+  syn match   luaFunc /\<coroutine\.resume\>/
+  syn match   luaFunc /\<coroutine\.status\>/
+  syn match   luaFunc /\<coroutine\.wrap\>/
+  syn match   luaFunc /\<coroutine\.yield\>/
+  syn match   luaFunc /\<string\.byte\>/
+  syn match   luaFunc /\<string\.char\>/
+  syn match   luaFunc /\<string\.dump\>/
+  syn match   luaFunc /\<string\.find\>/
+  syn match   luaFunc /\<string\.format\>/
+  syn match   luaFunc /\<string\.gsub\>/
+  syn match   luaFunc /\<string\.len\>/
+  syn match   luaFunc /\<string\.lower\>/
+  syn match   luaFunc /\<string\.rep\>/
+  syn match   luaFunc /\<string\.sub\>/
+  syn match   luaFunc /\<string\.upper\>/
   if lua_subversion == 0
-    syn match luaFunc /string\.gfind/
-    syn match luaFunc /table\.getn/
-    syn match luaFunc /table\.setn/
-    syn match luaFunc /table\.foreach/
-    syn match luaFunc /table\.foreachi/
-  elseif lua_subversion == 1
-    syn match luaFunc /string\.gmatch/
-    syn match luaFunc /string\.match/
-    syn match luaFunc /string\.reverse/
-    syn match luaFunc /table\.maxn/
+    syn match luaFunc /\<string\.gfind\>/
+  else
+    syn match luaFunc /\<string\.gmatch\>/
+    syn match luaFunc /\<string\.match\>/
+    syn match luaFunc /\<string\.reverse\>/
   endif
-  syn match   luaFunc /table\.concat/
-  syn match   luaFunc /table\.sort/
-  syn match   luaFunc /table\.insert/
-  syn match   luaFunc /table\.remove/
-  syn match   luaFunc /math\.abs/
-  syn match   luaFunc /math\.acos/
-  syn match   luaFunc /math\.asin/
-  syn match   luaFunc /math\.atan/
-  syn match   luaFunc /math\.atan2/
-  syn match   luaFunc /math\.ceil/
-  syn match   luaFunc /math\.sin/
-  syn match   luaFunc /math\.cos/
-  syn match   luaFunc /math\.tan/
-  syn match   luaFunc /math\.deg/
-  syn match   luaFunc /math\.exp/
-  syn match   luaFunc /math\.floor/
-  syn match   luaFunc /math\.log/
-  syn match   luaFunc /math\.log10/
-  syn match   luaFunc /math\.max/
-  syn match   luaFunc /math\.min/
   if lua_subversion == 0
-    syn match luaFunc /math\.mod/
+    syn match luaFunc /\<table\.getn\>/
+    syn match luaFunc /\<table\.setn\>/
+    syn match luaFunc /\<table\.foreach\>/
+    syn match luaFunc /\<table\.foreachi\>/
   elseif lua_subversion == 1
-    syn match luaFunc /math\.fmod/
-    syn match luaFunc /math\.modf/
-    syn match luaFunc /math\.cosh/
-    syn match luaFunc /math\.sinh/
-    syn match luaFunc /math\.tanh/
+    syn match luaFunc /\<table\.maxn\>/
+  elseif lua_subversion == 2
+    syn match luaFunc /\<table\.pack\>/
+    syn match luaFunc /\<table\.unpack\>/
   endif
-  syn match   luaFunc /math\.pow/
-  syn match   luaFunc /math\.rad/
-  syn match   luaFunc /math\.sqrt/
-  syn match   luaFunc /math\.frexp/
-  syn match   luaFunc /math\.ldexp/
-  syn match   luaFunc /math\.random/
-  syn match   luaFunc /math\.randomseed/
-  syn match   luaFunc /math\.pi/
-  syn match   luaFunc /io\.stdin/
-  syn match   luaFunc /io\.stdout/
-  syn match   luaFunc /io\.stderr/
-  syn match   luaFunc /io\.close/
-  syn match   luaFunc /io\.flush/
-  syn match   luaFunc /io\.input/
-  syn match   luaFunc /io\.lines/
-  syn match   luaFunc /io\.open/
-  syn match   luaFunc /io\.output/
-  syn match   luaFunc /io\.popen/
-  syn match   luaFunc /io\.read/
-  syn match   luaFunc /io\.tmpfile/
-  syn match   luaFunc /io\.type/
-  syn match   luaFunc /io\.write/
-  syn match   luaFunc /os\.clock/
-  syn match   luaFunc /os\.date/
-  syn match   luaFunc /os\.difftime/
-  syn match   luaFunc /os\.execute/
-  syn match   luaFunc /os\.exit/
-  syn match   luaFunc /os\.getenv/
-  syn match   luaFunc /os\.remove/
-  syn match   luaFunc /os\.rename/
-  syn match   luaFunc /os\.setlocale/
-  syn match   luaFunc /os\.time/
-  syn match   luaFunc /os\.tmpname/
-  syn match   luaFunc /debug\.debug/
-  syn match   luaFunc /debug\.gethook/
-  syn match   luaFunc /debug\.getinfo/
-  syn match   luaFunc /debug\.getlocal/
-  syn match   luaFunc /debug\.getupvalue/
-  syn match   luaFunc /debug\.setlocal/
-  syn match   luaFunc /debug\.setupvalue/
-  syn match   luaFunc /debug\.sethook/
-  syn match   luaFunc /debug\.traceback/
+  syn match   luaFunc /\<table\.concat\>/
+  syn match   luaFunc /\<table\.sort\>/
+  syn match   luaFunc /\<table\.insert\>/
+  syn match   luaFunc /\<table\.remove\>/
+  syn match   luaFunc /\<math\.abs\>/
+  syn match   luaFunc /\<math\.acos\>/
+  syn match   luaFunc /\<math\.asin\>/
+  syn match   luaFunc /\<math\.atan\>/
+  syn match   luaFunc /\<math\.atan2\>/
+  syn match   luaFunc /\<math\.ceil\>/
+  syn match   luaFunc /\<math\.sin\>/
+  syn match   luaFunc /\<math\.cos\>/
+  syn match   luaFunc /\<math\.tan\>/
+  syn match   luaFunc /\<math\.deg\>/
+  syn match   luaFunc /\<math\.exp\>/
+  syn match   luaFunc /\<math\.floor\>/
+  syn match   luaFunc /\<math\.log\>/
+  syn match   luaFunc /\<math\.max\>/
+  syn match   luaFunc /\<math\.min\>/
+  if lua_subversion == 0
+    syn match luaFunc /\<math\.mod\>/
+    syn match luaFunc /\<math\.log10\>/
+  else
+    if lua_subversion == 1
+      syn match luaFunc /\<math\.log10\>/
+    endif
+    syn match luaFunc /\<math\.huge\>/
+    syn match luaFunc /\<math\.fmod\>/
+    syn match luaFunc /\<math\.modf\>/
+    syn match luaFunc /\<math\.cosh\>/
+    syn match luaFunc /\<math\.sinh\>/
+    syn match luaFunc /\<math\.tanh\>/
+  endif
+  syn match   luaFunc /\<math\.pow\>/
+  syn match   luaFunc /\<math\.rad\>/
+  syn match   luaFunc /\<math\.sqrt\>/
+  syn match   luaFunc /\<math\.frexp\>/
+  syn match   luaFunc /\<math\.ldexp\>/
+  syn match   luaFunc /\<math\.random\>/
+  syn match   luaFunc /\<math\.randomseed\>/
+  syn match   luaFunc /\<math\.pi\>/
+  syn match   luaFunc /\<io\.close\>/
+  syn match   luaFunc /\<io\.flush\>/
+  syn match   luaFunc /\<io\.input\>/
+  syn match   luaFunc /\<io\.lines\>/
+  syn match   luaFunc /\<io\.open\>/
+  syn match   luaFunc /\<io\.output\>/
+  syn match   luaFunc /\<io\.popen\>/
+  syn match   luaFunc /\<io\.read\>/
+  syn match   luaFunc /\<io\.stderr\>/
+  syn match   luaFunc /\<io\.stdin\>/
+  syn match   luaFunc /\<io\.stdout\>/
+  syn match   luaFunc /\<io\.tmpfile\>/
+  syn match   luaFunc /\<io\.type\>/
+  syn match   luaFunc /\<io\.write\>/
+  syn match   luaFunc /\<os\.clock\>/
+  syn match   luaFunc /\<os\.date\>/
+  syn match   luaFunc /\<os\.difftime\>/
+  syn match   luaFunc /\<os\.execute\>/
+  syn match   luaFunc /\<os\.exit\>/
+  syn match   luaFunc /\<os\.getenv\>/
+  syn match   luaFunc /\<os\.remove\>/
+  syn match   luaFunc /\<os\.rename\>/
+  syn match   luaFunc /\<os\.setlocale\>/
+  syn match   luaFunc /\<os\.time\>/
+  syn match   luaFunc /\<os\.tmpname\>/
+  syn match   luaFunc /\<debug\.debug\>/
+  syn match   luaFunc /\<debug\.gethook\>/
+  syn match   luaFunc /\<debug\.getinfo\>/
+  syn match   luaFunc /\<debug\.getlocal\>/
+  syn match   luaFunc /\<debug\.getupvalue\>/
+  syn match   luaFunc /\<debug\.setlocal\>/
+  syn match   luaFunc /\<debug\.setupvalue\>/
+  syn match   luaFunc /\<debug\.sethook\>/
+  syn match   luaFunc /\<debug\.traceback\>/
   if lua_subversion == 1
-    syn match luaFunc /debug\.getfenv/
-    syn match luaFunc /debug\.getmetatable/
-    syn match luaFunc /debug\.getregistry/
-    syn match luaFunc /debug\.setfenv/
-    syn match luaFunc /debug\.setmetatable/
+    syn match luaFunc /\<debug\.getfenv\>/
+    syn match luaFunc /\<debug\.setfenv\>/
+    syn match luaFunc /\<debug\.getmetatable\>/
+    syn match luaFunc /\<debug\.setmetatable\>/
+    syn match luaFunc /\<debug\.getregistry\>/
+  elseif lua_subversion == 2
+    syn match luaFunc /\<debug\.getmetatable\>/
+    syn match luaFunc /\<debug\.setmetatable\>/
+    syn match luaFunc /\<debug\.getregistry\>/
+    syn match luaFunc /\<debug\.getuservalue\>/
+    syn match luaFunc /\<debug\.setuservalue\>/
+    syn match luaFunc /\<debug\.upvalueid\>/
+    syn match luaFunc /\<debug\.upvaluejoin\>/
   endif
 endif
 
@@ -281,24 +335,27 @@
 
   HiLink luaStatement		Statement
   HiLink luaRepeat		Repeat
+  HiLink luaFor			Repeat
   HiLink luaString		String
   HiLink luaString2		String
   HiLink luaNumber		Number
-  HiLink luaFloat		Float
   HiLink luaOperator		Operator
   HiLink luaConstant		Constant
   HiLink luaCond		Conditional
+  HiLink luaCondElse		Conditional
   HiLink luaFunction		Function
   HiLink luaComment		Comment
   HiLink luaTodo		Todo
   HiLink luaTable		Structure
   HiLink luaError		Error
+  HiLink luaParenError		Error
   HiLink luaSpecial		SpecialChar
   HiLink luaFunc		Identifier
+  HiLink luaLabel		Label
 
   delcommand HiLink
 endif
 
 let b:current_syntax = "lua"
 
-" vim: et ts=8
+" vim: et ts=8 sw=2