Merge remote-tracking branch 'upstream/master' into usermarksusermarks

1 files changed, 198 insertions, 119 deletions

diff --git a/runtime/syntax/lua.vim b/runtime/syntax/lua.vim
index b398e2e5c6..9c5a490582 100644
--- a/runtime/syntax/lua.vim
+++ b/runtime/syntax/lua.vim
@@ -1,11 +1,12 @@
 " Vim syntax file
-" 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:	2022 Mar 31
-" Options:	lua_version = 4 or 5
-"		lua_subversion = 0 (4.0, 5.0) or 1 (5.1) or 2 (5.2)
-"		default 5.2
+" Language:     Lua 4.0, Lua 5.0, Lua 5.1, Lua 5.2 and Lua 5.3
+" Maintainer:   Marcus Aurelius Farias <masserahguard-lua 'at' yahoo com>
+" First Author: Carlos Augusto Teixeira Mendes <cmendes 'at' inf puc-rio br>
+" Last Change:  2022 Sep 07
+" Options:      lua_version = 4 or 5
+"               lua_subversion = 0 (for 4.0 or 5.0)
+"                               or 1, 2, 3 (for 5.1, 5.2 or 5.3)
+"               the default is 5.3
 
 " quit when a syntax file was already loaded
 if exists("b:current_syntax")
@@ -16,70 +17,78 @@ let s:cpo_save = &cpo
 set cpo&vim
 
 if !exists("lua_version")
-  " Default is lua 5.2
+  " Default is lua 5.3
   let lua_version = 5
-  let lua_subversion = 2
+  let lua_subversion = 3
 elseif !exists("lua_subversion")
-  " lua_version exists, but lua_subversion doesn't. So, set it to 0
+  " lua_version exists, but lua_subversion doesn't. In this case set it to 0
   let lua_subversion = 0
 endif
 
 syn case match
 
 " syncing method
-syn sync minlines=100
+syn sync minlines=1000
 
-" Comments
-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="\[\[" end="\]\]"
-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
+if lua_version >= 5
+  syn keyword luaMetaMethod __add __sub __mul __div __pow __unm __concat
+  syn keyword luaMetaMethod __eq __lt __le
+  syn keyword luaMetaMethod __index __newindex __call
+  syn keyword luaMetaMethod __metatable __mode __gc __tostring
 endif
 
-" First line may start with #!
-syn match luaComment "\%^#!.*"
+if lua_version > 5 || (lua_version == 5 && lua_subversion >= 1)
+  syn keyword luaMetaMethod __mod __len
+endif
+
+if lua_version > 5 || (lua_version == 5 && lua_subversion >= 2)
+  syn keyword luaMetaMethod __pairs
+endif
+
+if lua_version > 5 || (lua_version == 5 && lua_subversion >= 3)
+  syn keyword luaMetaMethod __idiv __name
+  syn keyword luaMetaMethod __band __bor __bxor __bnot __shl __shr
+endif
+
+if lua_version > 5 || (lua_version == 5 && lua_subversion >= 4)
+  syn keyword luaMetaMethod __close
+endif
 
 " 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,luaParenError,luaTodo,luaSpecial,luaIfThen,luaElseifThen,luaElse,luaThenEnd,luaBlock,luaLoopBlock,luaIn,luaStatement
-syn region luaTableBlock transparent matchgroup=luaTable start="{" end="}" contains=ALLBUT,luaBraceError,luaTodo,luaSpecial,luaIfThen,luaElseifThen,luaElse,luaThenEnd,luaBlock,luaLoopBlock,luaIn,luaStatement
 
+syn region luaParen transparent start='(' end=')' contains=TOP,luaParenError
 syn match  luaParenError ")"
-syn match  luaBraceError "}"
+syn match  luaError "}"
 syn match  luaError "\<\%(end\|else\|elseif\|then\|until\|in\)\>"
 
-" function ... end
-syn region luaFunctionBlock transparent matchgroup=luaFunction start="\<function\>" end="\<end\>" contains=ALLBUT,luaTodo,luaSpecial,luaElseifThen,luaElse,luaThenEnd,luaIn
+" Function declaration
+syn region luaFunctionBlock transparent matchgroup=luaFunction start="\<function\>" end="\<end\>" contains=TOP
 
-" if ... then
-syn region luaIfThen transparent matchgroup=luaCond start="\<if\>" end="\<then\>"me=e-4           contains=ALLBUT,luaTodo,luaSpecial,luaElseifThen,luaElse,luaIn nextgroup=luaThenEnd skipwhite skipempty
+" else
+syn keyword luaCondElse matchgroup=luaCond contained containedin=luaCondEnd else
 
 " then ... end
-syn region luaThenEnd contained transparent matchgroup=luaCond start="\<then\>" end="\<end\>" contains=ALLBUT,luaTodo,luaSpecial,luaThenEnd,luaIn
+syn region luaCondEnd contained transparent matchgroup=luaCond start="\<then\>" end="\<end\>" contains=TOP
 
 " elseif ... then
-syn region luaElseifThen contained transparent matchgroup=luaCond start="\<elseif\>" end="\<then\>" contains=ALLBUT,luaTodo,luaSpecial,luaElseifThen,luaElse,luaThenEnd,luaIn
+syn region luaCondElseif contained containedin=luaCondEnd transparent matchgroup=luaCond start="\<elseif\>" end="\<then\>" contains=TOP
 
-" else
-syn keyword luaElse contained else
+" if ... then
+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,luaElseifThen,luaElse,luaThenEnd,luaIn
-
+syn region luaBlock transparent matchgroup=luaStatement start="\<do\>" end="\<end\>" contains=TOP
 " repeat ... until
-syn region luaLoopBlock transparent matchgroup=luaRepeat start="\<repeat\>" end="\<until\>"   contains=ALLBUT,luaTodo,luaSpecial,luaElseifThen,luaElse,luaThenEnd,luaIn
+syn region luaRepeatBlock transparent matchgroup=luaRepeat start="\<repeat\>" end="\<until\>" contains=TOP
 
 " while ... do
-syn region luaLoopBlock transparent matchgroup=luaRepeat start="\<while\>" end="\<do\>"me=e-2 contains=ALLBUT,luaTodo,luaSpecial,luaIfThen,luaElseifThen,luaElse,luaThenEnd,luaIn 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 luaLoopBlock transparent matchgroup=luaRepeat start="\<for\>" end="\<do\>"me=e-2   contains=ALLBUT,luaTodo,luaSpecial,luaIfThen,luaElseifThen,luaElse,luaThenEnd nextgroup=luaBlock skipwhite skipempty
+syn region luaFor transparent matchgroup=luaRepeat start="\<for\>" end="\<do\>"me=e-2 contains=TOP nextgroup=luaBlock skipwhite skipempty
 
-syn keyword luaIn contained in
+syn keyword luaFor contained containedin=luaFor in
 
 " other keywords
 syn keyword luaStatement return local break
@@ -87,35 +96,59 @@ if lua_version > 5 || (lua_version == 5 && lua_subversion >= 2)
   syn keyword luaStatement goto
   syn match luaLabel "::\I\i*::"
 endif
+
+" operators
 syn keyword luaOperator and or not
+
+if (lua_version == 5 && lua_subversion >= 3) || lua_version > 5
+  syn match luaSymbolOperator "[#<>=~^&|*/%+-]\|\.\{2,3}"
+elseif lua_version == 5 && (lua_subversion == 1 || lua_subversion == 2)
+  syn match luaSymbolOperator "[#<>=~^*/%+-]\|\.\{2,3}"
+else
+  syn match luaSymbolOperator "[<>=~^*/+-]\|\.\{2,3}"
+endif
+
+" comments
+syn keyword luaTodo            contained TODO FIXME XXX
+syn match   luaComment         "--.*$" contains=luaTodo,@Spell
+if lua_version == 5 && lua_subversion == 0
+  syn region luaComment        matchgroup=luaCommentDelimiter 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=luaCommentDelimiter start="--\[\z(=*\)\[" end="\]\z1\]" contains=luaTodo,@Spell
+endif
+
+" first line may start with #!
+syn match luaComment "\%^#!.*"
+
 syn keyword luaConstant nil
 if lua_version > 4
   syn keyword luaConstant true false
 endif
 
-" Strings
-if lua_version < 5
-  syn match  luaSpecial contained "\\[\\abfnrtv\'\"]\|\\[[:digit:]]\{,3}"
-elseif lua_version == 5
+" strings
+syn match  luaSpecial contained #\\[\\abfnrtv'"[\]]\|\\[[:digit:]]\{,3}#
+if lua_version == 5
   if lua_subversion == 0
-    syn match  luaSpecial contained #\\[\\abfnrtv'"[\]]\|\\[[:digit:]]\{,3}#
-    syn region luaString2 matchgroup=luaString start=+\[\[+ end=+\]\]+ contains=luaString2,@Spell
+    syn region luaString2 matchgroup=luaStringDelimiter 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}#
+    if lua_subversion >= 2
+      syn match  luaSpecial contained #\\z\|\\x[[:xdigit:]]\{2}#
+    endif
+    if lua_subversion >= 3
+      syn match  luaSpecial contained #\\u{[[:xdigit:]]\+}#
     endif
-    syn region luaString2 matchgroup=luaString start="\[\z(=*\)\[" end="\]\z1\]" contains=@Spell
+    syn region luaString2 matchgroup=luaStringDelimiter 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
+syn region luaString matchgroup=luaStringDelimiter start=+'+ end=+'+ skip=+\\\\\|\\'+ contains=luaSpecial,@Spell
+syn region luaString matchgroup=luaStringDelimiter start=+"+ end=+"+ skip=+\\\\\|\\"+ contains=luaSpecial,@Spell
 
 " integer number
 syn match luaNumber "\<\d\+\>"
 " floating point number, with dot, optional exponent
-syn match luaNumber  "\<\d\+\.\d*\%([eE][-+]\=\d\+\)\=\>"
+syn match luaNumber  "\<\d\+\.\d*\%([eE][-+]\=\d\+\)\="
 " floating point number, starting with a dot, optional exponent
 syn match luaNumber  "\.\d\+\%([eE][-+]\=\d\+\)\=\>"
 " floating point number, without dot, with exponent
@@ -130,8 +163,15 @@ if lua_version >= 5
   endif
 endif
 
+" tables
+syn region luaTableBlock transparent matchgroup=luaTable start="{" end="}" contains=TOP,luaStatement
+
+" methods
+syntax match luaFunc ":\@<=\k\+"
+
+" built-in functions
 syn keyword luaFunc assert collectgarbage dofile error next
-syn keyword luaFunc print rawget rawset tonumber tostring type _VERSION
+syn keyword luaFunc print rawget rawset self tonumber tostring type _VERSION
 
 if lua_version == 4
   syn keyword luaFunc _ALERT _ERRORMESSAGE gcinfo
@@ -168,30 +208,26 @@ elseif lua_version == 5
     syn match   luaFunc /\<package\.loaded\>/
     syn match   luaFunc /\<package\.loadlib\>/
     syn match   luaFunc /\<package\.path\>/
+    syn match   luaFunc /\<package\.preload\>/
     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
+    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
+
+    if lua_subversion >= 3
+      syn match luaFunc /\<coroutine\.isyieldable\>/
+    endif
+    if lua_subversion >= 4
+      syn keyword luaFunc warn
+      syn match luaFunc /\<coroutine\.close\>/
     endif
     syn match luaFunc /\<coroutine\.running\>/
   endif
@@ -200,6 +236,7 @@ elseif lua_version == 5
   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\>/
@@ -218,6 +255,18 @@ elseif lua_version == 5
     syn match luaFunc /\<string\.match\>/
     syn match luaFunc /\<string\.reverse\>/
   endif
+  if lua_subversion >= 3
+    syn match luaFunc /\<string\.pack\>/
+    syn match luaFunc /\<string\.packsize\>/
+    syn match luaFunc /\<string\.unpack\>/
+    syn match luaFunc /\<utf8\.char\>/
+    syn match luaFunc /\<utf8\.charpattern\>/
+    syn match luaFunc /\<utf8\.codes\>/
+    syn match luaFunc /\<utf8\.codepoint\>/
+    syn match luaFunc /\<utf8\.len\>/
+    syn match luaFunc /\<utf8\.offset\>/
+  endif
+
   if lua_subversion == 0
     syn match luaFunc /\<table\.getn\>/
     syn match luaFunc /\<table\.setn\>/
@@ -225,19 +274,40 @@ elseif lua_version == 5
     syn match luaFunc /\<table\.foreachi\>/
   elseif lua_subversion == 1
     syn match luaFunc /\<table\.maxn\>/
-  elseif lua_subversion == 2
+  elseif lua_subversion >= 2
     syn match luaFunc /\<table\.pack\>/
     syn match luaFunc /\<table\.unpack\>/
+    if lua_subversion >= 3
+      syn match luaFunc /\<table\.move\>/
+    endif
   endif
   syn match   luaFunc /\<table\.concat\>/
-  syn match   luaFunc /\<table\.sort\>/
   syn match   luaFunc /\<table\.insert\>/
+  syn match   luaFunc /\<table\.sort\>/
   syn match   luaFunc /\<table\.remove\>/
+
+  if lua_subversion == 2
+    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 /\<math\.abs\>/
   syn match   luaFunc /\<math\.acos\>/
   syn match   luaFunc /\<math\.asin\>/
   syn match   luaFunc /\<math\.atan\>/
-  syn match   luaFunc /\<math\.atan2\>/
+  if lua_subversion < 3
+    syn match   luaFunc /\<math\.atan2\>/
+  endif
   syn match   luaFunc /\<math\.ceil\>/
   syn match   luaFunc /\<math\.sin\>/
   syn match   luaFunc /\<math\.cos\>/
@@ -251,25 +321,36 @@ elseif lua_version == 5
   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
+  elseif lua_subversion == 1
+    syn match luaFunc /\<math\.log10\>/
+  endif
+  if lua_subversion >= 1
     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\>/
+    if lua_subversion == 1 || lua_subversion == 2
+      syn match luaFunc /\<math\.cosh\>/
+      syn match luaFunc /\<math\.sinh\>/
+      syn match luaFunc /\<math\.tanh\>/
+    endif
   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\>/
+  if lua_subversion < 3
+    syn match   luaFunc /\<math\.pow\>/
+    syn match   luaFunc /\<math\.frexp\>/
+    syn match   luaFunc /\<math\.ldexp\>/
+  else
+    syn match   luaFunc /\<math\.maxinteger\>/
+    syn match   luaFunc /\<math\.mininteger\>/
+    syn match   luaFunc /\<math\.tointeger\>/
+    syn match   luaFunc /\<math\.type\>/
+    syn match   luaFunc /\<math\.ult\>/
+  endif
   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\>/
@@ -284,6 +365,7 @@ elseif lua_version == 5
   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\>/
@@ -295,6 +377,7 @@ elseif lua_version == 5
   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\>/
@@ -307,53 +390,49 @@ elseif lua_version == 5
   if lua_subversion == 1
     syn match luaFunc /\<debug\.getfenv\>/
     syn match luaFunc /\<debug\.setfenv\>/
+  endif
+  if lua_subversion >= 1
     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
-  if lua_subversion >= 3
-    "https://www.lua.org/manual/5.3/manual.html#6.5
-    syn match luaFunc /\<utf8\.char\>/
-    syn match luaFunc /\<utf8\.charpattern\>/
-    syn match luaFunc /\<utf8\.codes\>/
-    syn match luaFunc /\<utf8\.codepoint\>/
-    syn match luaFunc /\<utf8\.len\>/
-    syn match luaFunc /\<utf8\.offset\>/
+    if lua_subversion >= 2
+      syn match luaFunc /\<debug\.getuservalue\>/
+      syn match luaFunc /\<debug\.setuservalue\>/
+      syn match luaFunc /\<debug\.upvalueid\>/
+      syn match luaFunc /\<debug\.upvaluejoin\>/
+    endif
+    if lua_subversion >= 4
+      syn match luaFunc /\<debug.setcstacklimit\>/
+    endif
   endif
 endif
 
 " Define the default highlighting.
 " Only when an item doesn't have highlighting yet
 
-hi def link luaStatement		Statement
-hi def link luaRepeat		Repeat
-hi def link luaFor			Repeat
-hi def link luaString		String
-hi def link luaString2		String
-hi def link luaNumber		Number
-hi def link luaOperator		Operator
-hi def link luaIn			Operator
-hi def link luaConstant		Constant
-hi def link luaCond		Conditional
-hi def link luaElse		Conditional
-hi def link luaFunction		Function
-hi def link luaComment		Comment
-hi def link luaTodo		Todo
-hi def link luaTable		Structure
-hi def link luaError		Error
-hi def link luaParenError		Error
-hi def link luaBraceError		Error
-hi def link luaSpecial		SpecialChar
-hi def link luaFunc		Identifier
-hi def link luaLabel		Label
+hi def link luaStatement        Statement
+hi def link luaRepeat           Repeat
+hi def link luaFor              Repeat
+hi def link luaString           String
+hi def link luaString2          String
+hi def link luaStringDelimiter  luaString
+hi def link luaNumber           Number
+hi def link luaOperator         Operator
+hi def link luaSymbolOperator   luaOperator
+hi def link luaConstant         Constant
+hi def link luaCond             Conditional
+hi def link luaCondElse         Conditional
+hi def link luaFunction         Function
+hi def link luaMetaMethod       Function
+hi def link luaComment          Comment
+hi def link luaCommentDelimiter luaComment
+hi def link luaTodo             Todo
+hi def link luaTable            Structure
+hi def link luaError            Error
+hi def link luaParenError       Error
+hi def link luaSpecial          SpecialChar
+hi def link luaFunc             Identifier
+hi def link luaLabel            Label
 
 
 let b:current_syntax = "lua"