Update runtime files
diff --git a/runtime/syntax/lua.vim b/runtime/syntax/lua.vim
index b398e2e..437a1ff 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, 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 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
" quit when a syntax file was already loaded
if exists("b:current_syntax")
@@ -33,11 +33,11 @@
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 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=luaComment start="--\[\z(=*\)\[" end="\]\z1\]" contains=luaTodo,@Spell
+ syn region luaComment matchgroup=luaCommentDelimiter start="--\[\z(=*\)\[" end="\]\z1\]" contains=luaTodo,@Spell
endif
" First line may start with #!
@@ -99,18 +99,18 @@
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
+ 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}#
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\+\>"
@@ -333,27 +333,29 @@
" 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 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 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 luaBraceError Error
+hi def link luaSpecial SpecialChar
+hi def link luaFunc Identifier
+hi def link luaLabel Label
let b:current_syntax = "lua"