neovim/runtime/syntax/vim.vim

" Vim syntax file

" #############################################################################
" #############################################################################
" Note: Be careful when merging the upstream version of this file.
"       Much of this is generated by scripts/genvimvim.lua
"       (installs to $VIMRUNTIME/syntax/vim/generated.vim)
" #############################################################################
" #############################################################################

" Quit when a syntax file was already loaded {{{2
if exists("b:current_syntax")
  finish
endif
let s:keepcpo = &cpo
set cpo&vim

let s:vim9script = "\n" .. getline(1, 32)->join("\n") =~# '\n\s*vim9\%[script]\>'

" vimTodo: contains common special-notices for comments {{{2
" Use the vimCommentGroup cluster to add your own.
syn keyword vimTodo contained	COMBAK	FIXME	TODO	XXX
syn cluster vimCommentGroup	contains=vimTodo,@Spell

" Special and plugin vim commands {{{2
syn match   vimCommand contained	"\<z[-+^.=]\=\>"
syn keyword vimOnlyCommand contained	fix[del] op[en] sh[ell] P[rint]
syn keyword vimStdPlugin contained Arguments Asm Break Cfilter Clear Continue DiffOrig Evaluate Finish Gdb Lfilter Man Over Program Run S Source Step Stop Termdebug TermdebugCommand TOhtml Until Winbar XMLent XMLns

" Vim-specific options {{{2
syn keyword vimOnlyOption contained	biosk bioskey cp compatible consk conskey cm cryptmethod edcompatible guipty key macatsui mzq mzquantum osfiletype oft renderoptions rop st shelltype sn shortname tenc termencoding ta textauto tx textmode tf ttyfast ttym ttymouse tbi ttybuiltin wiv weirdinvert

" Turn-off setting variants
syn keyword vimOnlyOption contained	nobiosk nobioskey noconsk noconskey nocp nocompatible noguipty nomacatsui nosn noshortname nota notextauto notx notextmode notf nottyfast notbi nottybuiltin nowiv noweirdinvert

" Invertible setting variants
syn keyword vimOnlyOption contained	invbiosk invbioskey invconsk invconskey invcp invcompatible invguipty invmacatsui invsn invshortname invta invtextauto invtx invtextmode invtf invttyfast invtbi invttybuiltin invwiv invweirdinvert
" termcap codes (which can also be set) {{{2
" GEN_SYN_VIM: vimOption term output code, START_STR='syn keyword vimOption contained', END_STR=''
syn keyword vimOption contained t_AB t_AF t_AU t_AL t_al t_bc t_BE t_BD t_cd t_ce t_Ce t_CF t_cl t_cm t_Co t_CS t_Cs t_cs t_CV t_da t_db t_DL t_dl t_ds t_Ds t_EC t_EI t_fs t_fd t_fe t_GP t_IE t_IS t_ke t_ks t_le t_mb t_md t_me t_mr t_ms t_nd t_op t_RF t_RB t_RC t_RI t_Ri t_RK t_RS t_RT t_RV t_Sb t_SC t_se t_Sf t_SH t_SI t_Si t_so t_SR t_sr t_ST t_Te t_te t_TE t_ti t_TI t_Ts t_ts t_u7 t_ue t_us t_Us t_ut t_vb t_ve t_vi t_VS t_vs t_WP t_WS t_XM t_xn t_xs t_ZH t_ZR t_8f t_8b t_8u
" term key codes
syn keyword vimOption contained	t_F1 t_F2 t_F3 t_F4 t_F5 t_F6 t_F7 t_F8 t_F9 t_k1 t_K1 t_k2 t_k3 t_K3 t_k4 t_K4 t_k5 t_K5 t_k6 t_K6 t_k7 t_K7 t_k8 t_K8 t_k9 t_K9 t_KA t_kb t_kB t_KB t_KC t_kd t_kD t_KD t_KE t_KF t_KG t_kh t_KH t_kI t_KI t_KJ t_KK t_kl t_KL t_kN t_kP t_kr t_ku
syn match   vimTermOption contained	"t_%1"
syn match   vimTermOption contained	"t_#2"
syn match   vimTermOption contained	"t_#4"
syn match   vimTermOption contained	"t_@7"
syn match   vimTermOption contained	"t_*7"
syn match   vimTermOption contained	"t_&8"
syn match   vimTermOption contained	"t_%i"
syn match   vimTermOption contained	"t_k;"

" unsupported settings: these are supported by vi but don't do anything in vim {{{2
" GEN_SYN_VIM: Missing vimOption, START_STR='syn keyword vimErrSetting contained', END_STR=''
syn keyword vimErrSetting contained akm altkeymap anti antialias ap autoprint bf beautify biosk bioskey consk conskey fk fkmap fl flash gr graphic ht hardtabs macatsui mesg novice open opt optimize oft osfiletype redraw slow slowopen sourceany w1200 w300 w9600
syn keyword vimErrSetting contained noakm noaltkeymap noanti noantialias noap noautoprint nobf nobeautify nobiosk nobioskey noconsk noconskey nofk nofkmap nofl noflash nogr nographic nomacatsui nomesg nonovice noopen noopt nooptimize noredraw noslow noslowopen nosourceany
syn keyword vimErrSetting contained invakm invaltkeymap invanti invantialias invap invautoprint invbf invbeautify invbiosk invbioskey invconsk invconskey invfk invfkmap invfl invflash invgr invgraphic invmacatsui invmesg invnovice invopen invopt invoptimize invredraw invslow invslowopen invsourceany
"}}}2
syn case ignore
" Highlight commonly used Groupnames {{{2
syn keyword vimGroup contained	Comment Constant String Character Number Boolean Float Identifier Function Statement Conditional Repeat Label Operator Keyword Exception PreProc Include Define Macro PreCondit Type StorageClass Structure Typedef Special SpecialChar Tag Delimiter SpecialComment Debug Underlined Ignore Error Todo

" Default highlighting groups {{{2
syn keyword vimHLGroup contained ErrorMsg IncSearch ModeMsg NonText StatusLine StatusLineNC EndOfBuffer VertSplit DiffText PmenuSbar TabLineSel TabLineFill Cursor lCursor QuickFixLine CursorLineSign CursorLineFold CurSearch PmenuKind PmenuKindSel PmenuMatch PmenuMatchSel PmenuExtra PmenuExtraSel Normal Directory LineNr CursorLineNr MoreMsg Question Search SpellBad SpellCap SpellRare SpellLocal PmenuThumb Pmenu PmenuSel SpecialKey Title WarningMsg WildMenu Folded FoldColumn SignColumn Visual DiffAdd DiffChange DiffDelete TabLine CursorColumn CursorLine ColorColumn MatchParen StatusLineTerm StatusLineTermNC CursorIM LineNrAbove LineNrBelow
syn match vimHLGroup contained "\<Conceal\>"
syn keyword vimOnlyHLGroup contained	Menu Scrollbar ToolbarButton ToolbarLine Tooltip VisualNOS
syn keyword nvimHLGroup contained	FloatBorder FloatFooter FloatTitle MsgSeparator NormalFloat NormalNC Substitute TermCursor TermCursorNC VisualNC Whitespace WinBar WinBarNC WinSeparator
"}}}2
syn case match

" Special Vim Highlighting (not automatic) {{{1

" Set up folding commands for this syntax highlighting file {{{2
if exists("g:vimsyn_folding") && g:vimsyn_folding =~# '[afhHlmpPrt]'
 if g:vimsyn_folding =~# 'a'
  com! -nargs=* VimFolda <args> fold
 else
  com! -nargs=* VimFolda <args>
 endif
 if g:vimsyn_folding =~# 'f'
  com! -nargs=* VimFoldf <args> fold
 else
  com! -nargs=* VimFoldf <args>
 endif
 if g:vimsyn_folding =~# 'h'
  com! -nargs=* VimFoldh <args> fold
 else
  com! -nargs=* VimFoldh <args>
 endif
 if g:vimsyn_folding =~# 'H'
  com! -nargs=* VimFoldH <args> fold
 else
  com! -nargs=* VimFoldH <args>
 endif
 if g:vimsyn_folding =~# 'l'
  com! -nargs=* VimFoldl <args> fold
 else
  com! -nargs=* VimFoldl <args>
 endif
 if g:vimsyn_folding =~# 'm'
  com! -nargs=* VimFoldm <args> fold
 else
  com! -nargs=* VimFoldm <args>
 endif
 if g:vimsyn_folding =~# 'p'
  com! -nargs=* VimFoldp <args> fold
 else
  com! -nargs=* VimFoldp <args>
 endif
 if g:vimsyn_folding =~# 'P'
  com! -nargs=* VimFoldP <args> fold
 else
  com! -nargs=* VimFoldP <args>
 endif
 if g:vimsyn_folding =~# 'r'
  com! -nargs=* VimFoldr <args> fold
 else
  com! -nargs=* VimFoldr <args>
 endif
 if g:vimsyn_folding =~# 't'
  com! -nargs=* VimFoldt <args> fold
 else
  com! -nargs=* VimFoldt <args>
 endif
else
 com! -nargs=*	VimFolda	<args>
 com! -nargs=*	VimFoldf	<args>
 com! -nargs=*	VimFoldh	<args>
 com! -nargs=*	VimFoldH	<args>
 com! -nargs=*	VimFoldl	<args>
 com! -nargs=*	VimFoldm	<args>
 com! -nargs=*	VimFoldp	<args>
 com! -nargs=*	VimFoldP	<args>
 com! -nargs=*	VimFoldr	<args>
 com! -nargs=*	VimFoldt	<args>
endif

" Deprecated variable options {{{2
if exists("g:vim_minlines")
 let g:vimsyn_minlines= g:vim_minlines
endif
if exists("g:vim_maxlines")
 let g:vimsyn_maxlines= g:vim_maxlines
endif
if exists("g:vimsyntax_noerror")
 let g:vimsyn_noerror= g:vimsyntax_noerror
endif

" Variable options {{{2
if exists("g:vim_maxlines")
 let s:vimsyn_maxlines= g:vim_maxlines
else
 let s:vimsyn_maxlines= 60
endif

" Numbers {{{2
" =======
syn case ignore
syn match	vimNumber	'\<\d\+\%(\.\d\+\%(e[+-]\=\d\+\)\=\)\='	skipwhite nextgroup=vimGlobal,vimSubst1,vimCommand,@vimComment
syn match	vimNumber	'\<0b[01]\+'			skipwhite nextgroup=vimGlobal,vimSubst1,vimCommand,@vimComment
syn match	vimNumber	'\<0o\=\o\+'			skipwhite nextgroup=vimGlobal,vimSubst1,vimCommand,@vimComment
syn match	vimNumber	'\<0x\x\+'			skipwhite nextgroup=vimGlobal,vimSubst1,vimCommand,@vimComment
syn match	vimNumber	'\<0z\>'			skipwhite nextgroup=vimGlobal,vimSubst1,vimCommand,@vimComment
syn match	vimNumber	'\<0z\%(\x\x\)\+\%(\.\%(\x\x\)\+\)*'	skipwhite nextgroup=vimGlobal,vimSubst1,vimCommand,@vimComment
syn match	vimNumber	'\%(^\|\A\)\zs#\x\{6}'		skipwhite nextgroup=vimGlobal,vimSubst1,vimCommand,@vimComment
syn case match

" All vimCommands are contained by vimIsCommand. {{{2
syn cluster vimCmdList	contains=vimAbb,vimAddress,vimAutoCmd,vimAugroup,vimBehave,vimCatch,vimDef,@vimEcho,vimEnddef,vimEndfunction,vimExecute,vimIsCommand,vimExtCmd,vimFor,vimFunction,vimGlobal,vimHighlight,vimLet,vimMap,vimMark,vimNotFunc,vimNorm,vimSet,vimSleep,vimSyntax,vimThrow,vimUnlet,vimUnmap,vimUserCmd,vimMenu,vimMenutranslate
syn match vimCmdSep	"[:|]\+"	skipwhite nextgroup=@vimCmdList,vimSubst1
syn match vimIsCommand	"\<\%(\h\w*\|[23]mat\%[ch]\)\>"	contains=vimCommand
syn match vimVar	      contained	"\<\h[a-zA-Z0-9#_]*\>"
syn match vimVar		"\<[bwglstav]:\h[a-zA-Z0-9#_]*\>"
syn match vimVar	      	"\s\zs&\%([lg]:\)\=\a\+\>"
syn match vimVar		"\s\zs&t_\S[a-zA-Z0-9]\>"
syn match vimVar        	"\s\zs&t_k;"
syn match vimFBVar      contained   "\<[bwglstav]:\h[a-zA-Z0-9#_]*\>"
syn keyword vimCommand  contained	in

syn cluster vimExprList contains=vimEnvvar,vimFunc,vimFuncVar,vimNumber,vimOper,vimOperParen,vimLetRegister,vimString,vimVar

" Insertions And Appends: insert append {{{2
"   (buftype != nofile test avoids having append, change, insert show up in the command window)
" =======================
if &buftype != 'nofile'
 syn region vimInsert	matchgroup=vimCommand start="^[: \t]*\(\d\+\(,\d\+\)\=\)\=a\%[ppend]$"		matchgroup=vimCommand end="^\.$" extend
 syn region vimInsert	matchgroup=vimCommand start="^[: \t]*\(\d\+\(,\d\+\)\=\)\=c\%[hange]$"		matchgroup=vimCommand end="^\.$" extend
 syn region vimInsert	matchgroup=vimCommand start="^[: \t]*\(\d\+\(,\d\+\)\=\)\=i\%[nsert]$"		matchgroup=vimCommand end="^\.$" extend
endif

" Behave! {{{2
" =======
if !exists("g:vimsyn_noerror") && !exists("g:vimsyn_nobehaveerror")
 syn match   vimBehaveError contained	"[^ ]\+"
endif
syn match   vimBehave	"\<be\%[have]\>"	nextgroup=vimBehaveBang,vimBehaveModel,vimBehaveError skipwhite
syn match   vimBehaveBang	contained	"\a\@1<=!" nextgroup=vimBehaveModel skipwhite
syn keyword vimBehaveModel	contained	mswin	xterm

" Exception Handling {{{2
syn keyword	vimThrow	th[row]	skipwhite nextgroup=@vimExprList
syn keyword	vimCatch	cat[ch]	skipwhite nextgroup=vimCatchPattern
syn region	vimCatchPattern	contained	matchgroup=Delimiter start="\z([!#$%&'()*+,-./:;<=>?@[\]^_`{}~]\)" skip="\\\\\|\\\z1" end="\z1" contains=@vimSubstList oneline

" Filetypes {{{2
" =========
syn match   vimFiletype	"\<filet\%[ype]\(\s\+\I\i*\)*"	skipwhite contains=vimFTCmd,vimFTOption,vimFTError
if !exists("g:vimsyn_noerror") && !exists("g:vimsyn_vimFTError")
 syn match   vimFTError  contained	"\I\i*"
endif
syn keyword vimFTCmd    contained	filet[ype]
syn keyword vimFTOption contained	detect indent off on plugin

" Augroup : vimAugroupError removed because long augroups caused sync'ing problems. {{{2
" ======= : Trade-off: Increasing synclines with slower editing vs augroup END error checking.
syn cluster vimAugroupList	contains=@vimCmdList,vimFilter,vimFunc,vimLineComment,vimSpecFile,vimOper,vimNumber,vimOperParen,@vimComment,vimString,vimSubst,vimRegister,vimCmplxRepeat,vimNotation,vimCtrlChar,vimFuncVar,vimContinue
syn match   vimAugroup	"\<aug\%[roup]\>" contains=vimAugroupKey,vimAugroupBang skipwhite nextgroup=vimAugroupBang,vimAutoCmdGroup
if exists("g:vimsyn_folding") && g:vimsyn_folding =~# 'a'
  syn region  vimAugroup  fold	start="\<aug\%[roup]\>\ze\s\+\%([eE][nN][dD]\)\@!\S\+" matchgroup=vimAugroupKey end="\<aug\%[roup]\>\ze\s\+[eE][nN][dD]\>" contains=vimAutoCmd,@vimAugroupList,vimAugroupkey skipwhite nextgroup=vimAugroupEnd
else
  syn region  vimAugroup	start="\<aug\%[roup]\>\ze\s\+\%([eE][nN][dD]\)\@!\S\+" matchgroup=vimAugroupKey end="\<aug\%[roup]\>\ze\s\+[eE][nN][dD]\>" contains=vimAutoCmd,@vimAugroupList,vimAugroupkey skipwhite nextgroup=vimAugroupEnd
endif
if !exists("g:vimsyn_noerror") && !exists("g:vimsyn_noaugrouperror")
  syn match   vimAugroupError	"\<aug\%[roup]\>\s\+[eE][nN][dD]\>"
endif

syn match   vimAutoCmdGroup	contained "\S\+"
syn match   vimAugroupEnd	contained "\c\<END\>"
syn match   vimAugroupBang	contained "\a\@1<=!" skipwhite nextgroup=vimAutoCmdGroup
syn keyword vimAugroupKey	contained aug[roup]  skipwhite nextgroup=vimAugroupBang,vimAutoCmdGroup,vimAugroupEnd

" Operators: {{{2
" =========
syn cluster	vimOperGroup	contains=vimEnvvar,vimFunc,vimFuncVar,vimOper,vimOperParen,vimNumber,vimString,vimRegister,@vimContinue,vim9Comment,vimVar
syn match	vimOper	"||\|&&\|[-+*/%.!]"				skipwhite nextgroup=vimString,vimSpecFile
syn match	vimOper	"\%#=1\(==\|!=\|>=\|<=\|=\~\|!\~\|>\|<\|=\|!\~#\)[?#]\{0,2}"	skipwhite nextgroup=vimString,vimSpecFile
syn match	vimOper	"\(\<is\|\<isnot\)[?#]\{0,2}\>"			skipwhite nextgroup=vimString,vimSpecFile
syn region	vimOperParen 	matchgroup=vimParenSep	start="(" end=")" contains=@vimOperGroup
syn region	vimOperParen	matchgroup=vimSep		start="#\={" end="}" contains=@vimOperGroup nextgroup=vimVar,vimFuncVar
if !exists("g:vimsyn_noerror") && !exists("g:vimsyn_noopererror")
 syn match	vimOperError	")"
endif

" Functions: Tag is provided for those who wish to highlight tagged functions {{{2
" =========
syn cluster	vimFuncList	contains=vimFuncBang,vimFunctionError,vimFuncKey,vimFuncSID,Tag
syn cluster	vimDefList	contains=vimFuncBang,vimFunctionError,vimDefKey,vimFuncSID,Tag

syn cluster	vimFuncBodyCommon	contains=@vimCmdList,vimCmplxRepeat,vimContinue,vimCtrlChar,vimDef,vimEnvvar,vimFBVar,vimFunc,vimFunction,vimLetHereDoc,vimNotation,vimNotFunc,vimNumber,vimOper,vimOperParen,vimRegister,vimSearch,vimSpecFile,vimString,vimSubst,vimFuncFold
syn cluster	vimFuncBodyList	contains=@vimFuncBodyCommon,vimComment,vimLineComment,vimFuncVar,vimInsert
syn cluster	vimDefBodyList	contains=@vimFuncBodyCommon,vim9Comment,vim9LineComment

syn region	vimFuncPattern	contained		matchgroup=vimOper start="/" end="$" contains=@vimSubstList
syn match	vimFunction	"\<fu\%[nction]\>"	skipwhite nextgroup=vimCmdSep,vimComment,vimFuncPattern contains=vimFuncKey
syn match	vimDef	"\<def\>"		skipwhite nextgroup=vimCmdSep,vimComment,vimFuncPattern contains=vimDefKey

syn match	vimFunction	"\<fu\%[nction]\>!\=\s*\%(<[sS][iI][dD]>\|[sg]:\)\=\%(\i\|[#.]\|{.\{-1,}}\)\+"	contains=@vimFuncList skipwhite nextgroup=vimFuncParams
syn match	vimDef	"\<def\s\+new\%(\i\|{.\{-1,}}\)\+"				contains=@vimDefList            nextgroup=vimDefParams
syn match	vimDef	"\<def\>!\=\s*\%(<[sS][iI][dD]>\|[sg]:\)\=\%(\i\|[#.]\|{.\{-1,}}\)\+"		contains=@vimDefList            nextgroup=vimDefParams

syn match	vimFuncComment	contained	+".*+ skipwhite skipnl nextgroup=vimFuncBody,vimEndfunction
syn match	vimDefComment	contained	"#.*" skipwhite skipnl nextgroup=vimDefBody,vimEnddef

syn match	vimFuncBang	contained	"!"
syn match	vimFuncSID	contained	"\c<sid>"
syn match	vimFuncSID	contained	"\<[sg]:"
syn keyword	vimFuncKey	contained	fu[nction]
syn keyword	vimDefKey	contained	def

syn region	vimFuncParams	contained	matchgroup=Delimiter start="(" skip=+\n\s*\\\|\n\s*"\\ + end=")" skipwhite skipnl nextgroup=vimFuncBody,vimFuncComment,vimEndfunction,vimFuncMod,vim9CommentError	contains=vimFuncParam,@vimContinue
syn region	vimDefParams	contained	matchgroup=Delimiter start="("		   end=")" skipwhite skipnl nextgroup=vimDefBody,vimDefComment,vimEnddef,vimReturnType,vimCommentError	contains=vimDefParam,vim9Comment
syn match	vimFuncParam	contained	"\<\h\w*\>\|\.\.\."	skipwhite nextgroup=vimFuncParamEquals
syn match	vimDefParam	contained	"\<\h\w*\>"		skipwhite nextgroup=vimParamType,vimFuncParamEquals

syn match	vimFuncParamEquals contained	"="			skipwhite        nextgroup=@vimExprList
syn match	vimFuncMod	 contained	"\<\%(abort\|closure\|dict\|range\)\>"	skipwhite skipnl nextgroup=vimFuncBody,vimFuncComment,vimEndfunction,vimFuncMod,vim9CommentError

syn region	vimFuncBody	contained	start="^.\="	matchgroup=vimCommand end="\<endfu\%[nction]\>"	contains=@vimFuncBodyList skipwhite nextgroup=vimCmdSep,vimComment,vim9CommentError
syn region	vimDefBody	contained	start="^.\="	matchgroup=vimCommand end="\<enddef\>"	contains=@vimDefBodyList  skipwhite nextgroup=vimCmdSep,vim9Comment,vimCommentError

syn match	vimEndfunction	"\<endf\%[unction]\>" skipwhite nextgroup=vimCmdSep,vimComment,vim9CommentError
syn match	vimEnddef	"\<enddef\>"	    skipwhite nextgroup=vimCmdSep,vim9Comment,vimCommentError

if exists("g:vimsyn_folding") && g:vimsyn_folding =~# 'f'
 syn region	vimFuncFold	start="^\s*:\=\s*fu\%[nction]\>!\=\s*\%(<[sS][iI][dD]>\|[sg]:\)\=\%(\i\|[#.]\|{.\{-1,}}\)\+\s*("	end="^\s*:\=\s*endf\%[unction]\>" contains=vimFunction fold keepend extend transparent
 syn region	vimFuncFold	start="^\s*:\=\s*def\>!\=\s*\%(<[sS][iI][dD]>\|[sg]:\)\=\%(\i\|[#.]\)\+("		end="^\s*:\=\s*enddef\>"          contains=vimDef      fold keepend extend transparent
 syn region	vimFuncFold	start="^\s*:\=\s*def\s\+new\i\+("					end="^\s*:\=\s*enddef\>"          contains=vimDef      fold keepend extend transparent
endif

syn match	vimFuncVar   contained	"a:\%(\K\k*\|\d\+\)\>"
syn match	vimFuncBlank contained	"\s\+"

" Types: {{{2
" =====
" vimTypes : new for vim9
syn region	vimReturnType	contained	start=":\s" end="$" matchgroup=vim9Comment end="\ze[#"]" skipwhite skipnl nextgroup=vimDefBody,vimDefComment,vimEnddef,vimCommentError contains=vimTypeSep transparent
syn match	vimParamType	contained	":\s\+\a"			skipwhite skipnl nextgroup=vimFuncParamEquals   	        contains=vimTypeSep,@vimType

syn match	vimTypeSep	contained	":\s\@=" skipwhite nextgroup=@vimType
syn keyword	vimType	contained	any blob bool channel float job number string void
syn match	vimType	contained	"\<func\>"
syn region	vimCompoundType	contained	matchgroup=vimType start="\<func("            end=")" nextgroup=vimTypeSep contains=@vimType oneline transparent
syn region	vimCompoundType   contained         matchgroup=vimType start="\<\%(list\|dict\)<" end=">"                      contains=@vimType oneline transparent
syn match	vimUserType	contained	"\<\u\w*\>"

syn cluster vimType contains=vimType,vimCompoundType,vimUserType

" Keymaps: {{{2
" =======

syn match  vimKeymapStart	"^"	contained skipwhite nextgroup=vimKeymapLhs,@vimKeymapLineComment
syn match  vimKeymapLhs	"\S\+"	contained skipwhite nextgroup=vimKeymapRhs contains=vimNotation
syn match  vimKeymapRhs	"\S\+"	contained skipwhite nextgroup=vimKeymapTailComment contains=vimNotation
syn match  vimKeymapTailComment	"\S.*"	contained

" TODO: remove when :" comment is matched in parts as "ex-colon comment" --djk
if s:vim9script
  syn match  vim9KeymapLineComment	"#.*"	contained contains=@vimCommentGroup,vimCommentString,vim9CommentTitle
else
  syn match  vimKeymapLineComment	+".*+	contained contains=@vimCommentGroup,vimCommentString,vimCommentTitle
endif
syn cluster vimKeymapLineComment contains=vim9\=KeymapLineComment

syn region vimKeymap matchgroup=vimCommand start="\<loadk\%[eymap]\>" end="\%$" contains=vimKeymapStart

" Special Filenames, Modifiers, Extension Removal: {{{2
" ===============================================
syn match	vimSpecFile	"<c\(word\|WORD\)>"	nextgroup=vimSpecFileMod,vimSubst1
syn match	vimSpecFile	"<\([acs]file\|amatch\|abuf\)>"	nextgroup=vimSpecFileMod,vimSubst1
syn match	vimSpecFile	"\s%[ \t:]"ms=s+1,me=e-1	nextgroup=vimSpecFileMod,vimSubst1
syn match	vimSpecFile	"\s%$"ms=s+1		nextgroup=vimSpecFileMod,vimSubst1
syn match	vimSpecFile	"\s%<"ms=s+1,me=e-1	nextgroup=vimSpecFileMod,vimSubst1
syn match	vimSpecFile	"#\d\+\|[#%]<\>"		nextgroup=vimSpecFileMod,vimSubst1
syn match	vimSpecFileMod	"\(:[phtre]\)\+"	contained

" User-Specified Commands: {{{2
" =======================
syn cluster	vimUserCmdList	contains=@vimCmdList,vimCmplxRepeat,@vimComment,vimCtrlChar,vimEscapeBrace,vimFunc,vimNotation,vimNumber,vimOper,vimRegister,vimSpecFile,vimString,vimSubst,vimSubstRep,vimSubstRange
syn keyword	vimUserCommand	contained	com[mand]
syn match	vimUserCmdName	contained	"\<\u\w*\>" nextgroup=vimUserCmdBlock skipwhite
syn match	vimUserCmd	"\<com\%[mand]!\=\>.*$"	contains=vimUserAttrb,vimUserAttrbError,vimUserCommand,@vimUserCmdList,vimComFilter,vimCmdBlock,vimUserCmdName
syn match	vimUserAttrbError	contained	"-\a\+\ze\s"
syn match	vimUserAttrb	contained	"-nargs=[01*?+]"	contains=vimUserAttrbKey,vimOper
syn match	vimUserAttrb	contained	"-complete="		contains=vimUserAttrbKey,vimOper nextgroup=vimUserAttrbCmplt,vimUserCmdError
syn match	vimUserAttrb	contained	"-range\(=%\|=\d\+\)\="	contains=vimNumber,vimOper,vimUserAttrbKey
syn match	vimUserAttrb	contained	"-count\(=\d\+\)\="	contains=vimNumber,vimOper,vimUserAttrbKey
syn match	vimUserAttrb	contained	"-bang\>"		contains=vimOper,vimUserAttrbKey
syn match	vimUserAttrb	contained	"-bar\>"		contains=vimOper,vimUserAttrbKey
syn match	vimUserAttrb	contained	"-buffer\>"		contains=vimOper,vimUserAttrbKey
syn match	vimUserAttrb	contained	"-register\>"		contains=vimOper,vimUserAttrbKey
if !exists("g:vimsyn_noerror") && !exists("g:vimsyn_nousercmderror")
 syn match	vimUserCmdError	contained	"\S\+\>"
endif
syn case ignore
syn keyword	vimUserAttrbKey   contained	bar	ban[g]	cou[nt]	ra[nge] com[plete]	n[args]	re[gister]
" GEN_SYN_VIM: vimUserAttrbCmplt, START_STR='syn keyword vimUserAttrbCmplt contained', END_STR=''
syn keyword vimUserAttrbCmplt contained arglist augroup behave buffer color command compiler cscope diff_buffer dir environment event expression file file_in_path filetype function help highlight history keymap locale mapclear mapping menu messages syntax syntime option packadd runtime shellcmd sign tag tag_listfiles user var breakpoint scriptnames
syn keyword	vimUserAttrbCmplt contained	custom customlist nextgroup=vimUserAttrbCmpltFunc,vimUserCmdError
syn match	vimUserAttrbCmpltFunc contained	",\%([sS]:\|<[sS][iI][dD]>\)\=\%(\h\w*\%([.#]\h\w*\)\+\|\h\w*\)"hs=s+1 nextgroup=vimUserCmdError

syn case match
syn match	vimUserAttrbCmplt contained	"custom,\u\w*"

syn region	vimUserCmdBlock	contained	matchgroup=vimSep start="{" end="}" contains=@vimDefBodyList

" Lower Priority Comments: after some vim commands... {{{2
" =======================
if get(g:, "vimsyn_comment_strings", 1)
  syn region	vimCommentString	contained oneline start='\S\s\+"'ms=e end='"'
endif

if s:vim9script
  syn match	vimComment	excludenl +\s"[^\-:.%#=*].*$+lc=1	contains=@vimCommentGroup,vimCommentString contained
  syn match	vimComment	+\<endif\s\+".*$+lc=5	contains=@vimCommentGroup,vimCommentString contained
  syn match	vimComment	+\<else\s\+".*$+lc=4	contains=@vimCommentGroup,vimCommentString contained
  " Vim9 comments - TODO: might be highlighted while they don't work
  syn match	vim9Comment	excludenl +\s#[^{].*$+lc=1	contains=@vimCommentGroup,vimCommentString
  syn match	vim9Comment	+\<endif\s\+#[^{].*$+lc=5	contains=@vimCommentGroup,vimCommentString
  syn match	vim9Comment	+\<else\s\+#[^{].*$+lc=4	contains=@vimCommentGroup,vimCommentString
  " Vim9 comment inside expression
  " syn match	vim9Comment	+\s\zs#[^{].*$+ms=s+1	contains=@vimCommentGroup,vimCommentString
  " syn match	vim9Comment	+^\s*#[^{].*$+		contains=@vimCommentGroup,vimCommentString
  " syn match	vim9Comment	+^\s*#$+		contains=@vimCommentGroup,vimCommentString

  syn cluster vimComment contains=vim9Comment
else
  syn match	vimComment	excludenl +\s"[^\-:.%#=*].*$+lc=1	contains=@vimCommentGroup,vimCommentString
  syn match	vimComment	+\<endif\s\+".*$+lc=5	contains=@vimCommentGroup,vimCommentString
  syn match	vimComment	+\<else\s\+".*$+lc=4	contains=@vimCommentGroup,vimCommentString
  " Vim9 comments - TODO: might be highlighted while they don't work
  syn match	vim9Comment	excludenl +\s#[^{].*$+lc=1	contains=@vimCommentGroup,vimCommentString contained
  syn match	vim9Comment	+\<endif\s\+#[^{].*$+lc=5	contains=@vimCommentGroup,vimCommentString contained
  syn match	vim9Comment	+\<else\s\+#[^{].*$+lc=4	contains=@vimCommentGroup,vimCommentString contained
  " Vim9 comment inside expression
  syn match	vim9Comment	+\s\zs#[^{].*$+ms=s+1	contains=@vimCommentGroup,vimCommentString contained
  syn match	vim9Comment	+^\s*#[^{].*$+		contains=@vimCommentGroup,vimCommentString contained
  syn match	vim9Comment	+^\s*#$+		contains=@vimCommentGroup,vimCommentString contained

  syn cluster vimComment contains=vimComment
endif

syn match	vim9CommentError	contained	"#.*"
syn match	vimCommentError	contained	+".*+

" Environment Variables: {{{2
" =====================
syn match	vimEnvvar	"\$\I\i*"
syn match	vimEnvvar	"\${\I\i*}"

" In-String Specials: {{{2
" Try to catch strings, if nothing else matches (therefore it must precede the others!)
"  vimEscapeBrace handles ["]  []"] (ie. "s don't terminate string inside [])
syn region	vimEscapeBrace	oneline   contained transparent start="[^\\]\(\\\\\)*\[\zs\^\=\]\=" skip="\\\\\|\\\]" end="]"me=e-1
syn match	vimPatSepErr	contained	"\\)"
syn match	vimPatSep	contained	"\\|"
syn region	vimPatSepZone	oneline   contained   matchgroup=vimPatSepZ start="\\%\=\ze(" skip="\\\\" end="\\)\|[^\\]['"]"	contains=@vimStringGroup
syn region	vimPatRegion	contained transparent matchgroup=vimPatSepR start="\\[z%]\=(" end="\\)"	contains=@vimSubstList oneline
syn match	vimNotPatSep	contained	"\\\\"
syn cluster	vimStringGroup	contains=vimEscape,vimEscapeBrace,vimPatSep,vimNotPatSep,vimPatSepErr,vimPatSepZone,@Spell
syn region	vimString	oneline keepend	start=+[^a-zA-Z>!\\@]"+lc=1 skip=+\\\\\|\\"+ matchgroup=vimStringEnd end=+"+	contains=@vimStringGroup
syn region	vimString	oneline keepend	start=+[^a-zA-Z>!\\@]'+lc=1 end=+'+
"syn region	vimString	oneline	start="\s/\s*\A"lc=1 skip="\\\\\|\\+" end="/"	contains=@vimStringGroup  " see tst45.vim
syn match	vimString	contained	+"[^"]*\\$+	skipnl nextgroup=vimStringCont
syn match	vimStringCont	contained	+\(\\\\\|.\)\{-}[^\\]"+
syn match	vimEscape	contained	"\\."
" syn match	vimEscape	contained	+\\[befnrt\"]+
syn match	vimEscape	contained	"\\\o\{1,3}\|\\[xX]\x\{1,2}\|\\u\x\{1,4}\|\\U\x\{1,8}"
syn match	vimEscape	contained	"\\<" contains=vimNotation
syn match	vimEscape	contained	"\\<\*[^>]*>\=>"

syn region	vimString	oneline start=+$'+ skip=+''+ end=+'+ contains=vimStringInterpolationBrace,vimStringInterpolationExpr
syn region	vimString	oneline start=+$"+ end=+"+ contains=@vimStringGroup,vimStringInterpolationBrace,vimStringInterpolationExpr
syn region	vimStringInterpolationExpr  oneline contained matchgroup=vimSep start=+{+ end=+}+ contains=@vimExprList
syn match	vimStringInterpolationBrace contained "{{"
syn match	vimStringInterpolationBrace contained "}}"

" Substitutions: {{{2
" =============
syn cluster	vimSubstList	contains=vimPatSep,vimPatRegion,vimPatSepErr,vimSubstTwoBS,vimSubstRange,vimNotation
syn cluster	vimSubstRepList	contains=vimSubstSubstr,vimSubstTwoBS,vimNotation
syn cluster	vimSubstList	add=vimCollection
syn match	vimSubst	"^\s*\%(s\%[ubstitute]\|sm\%[agic]\|sno\%[magic]\)\>"			skipwhite nextgroup=vimSubstPat
syn match	vimSubst	"^\s*\%(s\%[ubstitute]\|sm\%[agic]\|sno\%[magic]\)[_#]\@="		skipwhite nextgroup=vimSubstPat
syn match	vimSubst1	contained	"\%(s\%[ubstitute]\|sm\%[agic]\>\|sno\%[magic]\)\>"		skipwhite nextgroup=vimSubstPat
syn match	vimSubst1	contained	"\%(s\%[ubstitute]\|sm\%[agic]\>\|sno\%[magic]\)[_#]\@="	skipwhite nextgroup=vimSubstPat
" TODO: Vim9 illegal separators for abbreviated :s form are [-.:], :su\%[...] required
"     : # is allowed but "not recommended" (see :h pattern-delimiter)
syn region	vimSubstPat	contained	matchgroup=vimSubstDelim start="\z([!#$%&'()*+,-./:;<=>?@[\]^_`{}~]\)"rs=s+1 skip="\\\\\|\\\z1" end="\z1"re=e-1,me=e-1	contains=@vimSubstList	nextgroup=vimSubstRep4	oneline
syn region	vimSubstRep4	contained	matchgroup=vimSubstDelim start="\z(.\)" skip="\\\\\|\\\z1" end="\z1" matchgroup=vimNotation end="<[cC][rR]>"	contains=@vimSubstRepList	nextgroup=vimSubstFlagErr	oneline
syn region	vimCollection	contained 	transparent	start="\\\@<!\[" skip="\\\[" end="\]"	contains=vimCollClass
syn match	vimCollClassErr	contained	"\[:.\{-\}:\]"
syn match	vimCollClass	contained 	transparent	"\%#=1\[:\(alnum\|alpha\|blank\|cntrl\|digit\|graph\|lower\|print\|punct\|space\|upper\|xdigit\|retu\%[rn]\|tab\|escape\|backspace\):\]"
syn match	vimSubstSubstr	contained	"\\z\=\d"
syn match	vimSubstTwoBS	contained	"\\\\"
syn match	vimSubstFlagErr	contained	"[^< \t\r|]\+" contains=vimSubstFlags
syn match	vimSubstFlags	contained	"[&cegiIlnpr#]\+"

" Vi compatibility
syn match	vimSubstDelim	contained	"\\"
syn match	vimSubstPat	contained	"\\\ze[/?&]" contains=vimSubstDelim nextgroup=vimSubstRep4

" 'String': {{{2
syn match	vimString	"[^(,]'[^']\{-}\zs'"

" Marks, Registers, Addresses, Filters: {{{2
syn match	vimMark	"'[a-zA-Z0-9]\ze[-+,!]"	nextgroup=vimFilter,vimMarkNumber,vimSubst1
syn match	vimMark	"'[<>]\ze[-+,!]"		nextgroup=vimFilter,vimMarkNumber,vimSubst1
syn match	vimMark	",\zs'[<>]\ze"		nextgroup=vimFilter,vimMarkNumber,vimSubst1
syn match	vimMark	"[!,:]\zs'[a-zA-Z0-9]"	nextgroup=vimFilter,vimMarkNumber,vimSubst1
syn match	vimMark	"\<norm\%[al]\s\zs'[a-zA-Z0-9]"	nextgroup=vimFilter,vimMarkNumber,vimSubst1
syn match	vimMarkNumber	"[-+]\d\+"		contained contains=vimOper nextgroup=vimSubst1
syn match	vimPlainMark contained	"'[a-zA-Z0-9]"
syn match	vimRange	"[`'][a-zA-Z0-9],[`'][a-zA-Z0-9]"	contains=vimMark	skipwhite nextgroup=vimFilter

syn match	vimRegister	'[^,;[{: \t]\zs"[a-zA-Z0-9.%#:_\-/]\ze[^a-zA-Z_":0-9]'
syn match	vimRegister	'\<norm\s\+\zs"[a-zA-Z0-9]'
syn match	vimRegister	'\<normal\s\+\zs"[a-zA-Z0-9]'
syn match	vimRegister	'@"'
syn match	vimPlainRegister contained	'"[a-zA-Z0-9\-:.%#*+=]'
syn match	vimLetRegister	contained	'@["0-9\-a-zA-Z#=*+_/]'

syn match	vimAddress	",\zs[.$]"	skipwhite nextgroup=vimSubst1
syn match	vimAddress	"%\ze\a"	skipwhite nextgroup=vimString,vimSubst1

syn match	vimFilter 		"^!!\=[^"]\{-}\(|\|\ze\"\|$\)"	contains=vimOper,vimSpecFile
syn match	vimFilter    contained	"!!\=[^"]\{-}\(|\|\ze\"\|$\)"	contains=vimOper,vimSpecFile
syn match	vimComFilter contained	"|!!\=[^"]\{-}\(|\|\ze\"\|$\)"      contains=vimOper,vimSpecFile

" Complex Repeats: (:h complex-repeat) {{{2
" ===============
syn match	vimCmplxRepeat	'[^a-zA-Z_/\\()]q[0-9a-zA-Z"]\>'lc=1
syn match	vimCmplxRepeat	'@[0-9a-z".=@:]\ze\($\|[^a-zA-Z]\>\)'

" Set command and associated set-options (vimOptions) with comment {{{2
syn region	vimSet		matchgroup=vimCommand start="\<\%(setl\%[ocal]\|setg\%[lobal]\|se\%[t]\)\>" skip="\%(\\\\\)*\\.\n\@!" end="$" end="|" matchgroup=vimNotation end="<[cC][rR]>" keepend contains=vimSetEqual,vimOption,vimErrSetting,@vimComment,vimSetString,vimSetMod
syn region	vimSetEqual	contained	start="[=:]\|[-+^]=" skip="\\\\\|\\\s" end="[| \t]"me=e-1 end="$"	contains=vimCtrlChar,vimSetSep,vimNotation,vimEnvvar
syn region	vimSetString	contained	start=+="+hs=s+1	skip=+\\\\\|\\"+  end=+"+		contains=vimCtrlChar
syn match	vimSetSep	contained	"[,:]"
syn match	vimSetMod	contained	"&vim\=\|[!&?<]\|all&"

" Let: {{{2
" ===
syn keyword	vimLet	let		skipwhite nextgroup=vimVar,vimFuncVar,vimLetHereDoc,vimLetRegister,vimVarList
syn keyword	vimConst	cons[t]		skipwhite nextgroup=vimVar,vimLetHereDoc,vimVarList
syn region	vimVarList	contained	start="\[" end="]" contains=vimVar,vimContinue

syn keyword	vimUnlet	unl[et]		skipwhite nextgroup=vimUnletBang,vimUnletVars
syn match	vimUnletBang	contained	"!"	skipwhite nextgroup=vimUnletVars
syn region	vimUnletVars	contained	start="$\I\|\h" skip="\n\s*\\" end="$" end="|" contains=vimVar,vimEnvvar,vimContinue,vimString,vimNumber

VimFoldh syn region vimLetHereDoc	matchgroup=vimLetHereDocStart start='=<<\s*\%(trim\s\+\%(eval\s\+\)\=\|eval\s\+\%(trim\s\+\)\=\)\=\z(\L\S*\)' matchgroup=vimLetHereDocStop end='^\s*\z1\s*$' extend
syn keyword	vimLet	var		skipwhite nextgroup=vimVar,vimFuncVar,vimLetHereDoc

" For: {{{2
" ===
syn keyword	vimFor	for	skipwhite nextgroup=vimVar,vimVarList

" Abbreviations: {{{2
" =============
" GEN_SYN_VIM: vimCommand abbrev, START_STR='syn keyword vimAbb', END_STR='skipwhite nextgroup=vimMapMod,vimMapLhs'
syn keyword vimAbb ab[breviate] ca[bbrev] cnorea[bbrev] cuna[bbrev] ia[bbrev] inorea[bbrev] iuna[bbrev] norea[bbrev] una[bbreviate] skipwhite nextgroup=vimMapMod,vimMapLhs
" GEN_SYN_VIM: vimCommand abclear, START_STR='syn keyword vimAbb', END_STR='skipwhite nextgroup=vimMapMod'
syn keyword vimAbb abc[lear] cabc[lear] iabc[lear] skipwhite nextgroup=vimMapMod

" Autocmd: {{{2
" =======
syn match	vimAutoEventList	contained	"\(!\s\+\)\=\(\a\+,\)*\a\+"	contains=vimAutoEvent,nvimAutoEvent nextgroup=vimAutoCmdSpace
syn match	vimAutoCmdSpace	contained	"\s\+"	nextgroup=vimAutoCmdSfxList
syn match	vimAutoCmdSfxList	contained	"\S*"	skipwhite nextgroup=vimAutoCmdMod,vimAutoCmdBlock
syn keyword	vimAutoCmd	au[tocmd] do[autocmd] doautoa[ll]	skipwhite nextgroup=vimAutoEventList
syn match	vimAutoCmdMod	"\(++\)\=\(once\|nested\)"	skipwhite nextgroup=vimAutoCmdBlock
syn region	vimAutoCmdBlock	contained	matchgroup=vimSep start="{" end="}" contains=@vimDefBodyList

" Echo And Execute: -- prefer strings! {{{2
" ================
" NOTE: No trailing comments

syn region	vimEcho
      \ matchgroup=vimCommand
      \ start="\<ec\%[ho]\>"
      \ start="\<echoe\%[rr]\>"
      \ start="\<echom\%[sg]\>"
      \ start="\<echoc\%[onsole]\>"
      \ start="\<echon\>"
      \ start="\<echow\%[indow]\>"
      \ skip=+\\|\|\n\s*\\\|\n\s*"\\ +
      \ matchgroup=vimCmdSep end="|" excludenl end="$" contains=@vimContinue,@vimExprList transparent

syn match	vimEchohl	"\<echohl\=\>"	skipwhite nextgroup=vimGroup,vimHLGroup,vimEchohlNone,vimOnlyHLGroup,nvimHLGroup
syn case ignore
syn keyword	vimEchohlNone	contained none
syn case match

syn cluster	vimEcho	contains=vimEcho,vimEchohl

syn region	vimExecute	matchgroup=vimCommand start="\<exe\%[cute]\>" skip=+\\|\|\n\s*\\\|\n\s*"\\ + matchgroup=vimCmdSep end="|" excludenl end="$" contains=@vimContinue,@vimExprList transparent

" Maps: {{{2
" ====
syn match	vimMap		"\<map\>\ze\s*(\@!" 	    skipwhite nextgroup=vimMapMod,vimMapLhs
syn match	vimMap		"\<map!"	  contains=vimMapBang skipwhite nextgroup=vimMapMod,vimMapLhs
" GEN_SYN_VIM: vimCommand map, START_STR='syn keyword vimMap', END_STR='skipwhite nextgroup=vimMapBang,vimMapMod,vimMapLhs'
syn keyword vimMap cm[ap] cno[remap] im[ap] ino[remap] lm[ap] ln[oremap] nm[ap] nn[oremap] no[remap] om[ap] ono[remap] smap snor[emap] tma[p] tno[remap] vm[ap] vn[oremap] xm[ap] xn[oremap] skipwhite nextgroup=vimMapBang,vimMapMod,vimMapLhs
" GEN_SYN_VIM: vimCommand mapclear, START_STR='syn keyword vimMap', END_STR='skipwhite nextgroup=vimMapMod'
syn keyword vimMap cmapc[lear] imapc[lear] lmapc[lear] nmapc[lear] omapc[lear] smapc[lear] tmapc[lear] vmapc[lear] xmapc[lear] skipwhite nextgroup=vimMapMod
syn keyword	vimMap mapc[lear]	skipwhite nextgroup=vimMapBang,vimMapMod
" GEN_SYN_VIM: vimCommand unmap, START_STR='syn keyword vimUnmap', END_STR='skipwhite nextgroup=vimMapBang,vimMapMod,vimMapLhs'
syn keyword vimUnmap cu[nmap] iu[nmap] lu[nmap] nun[map] ou[nmap] sunm[ap] tunma[p] unm[ap] vu[nmap] xu[nmap] skipwhite nextgroup=vimMapBang,vimMapMod,vimMapLhs
syn match	vimMapLhs	contained	"\%(.\|\S\)\+"		contains=vimCtrlChar,vimNotation skipwhite        nextgroup=vimMapRhs
syn match	vimMapLhs	contained	"\%(.\|\S\)\+\ze\s*$"	contains=vimCtrlChar,vimNotation skipwhite skipnl nextgroup=vimMapRhsContinue
syn match	vimMapBang	contained	"\a\@1<=!"		skipwhite nextgroup=vimMapMod,vimMapLhs
syn match	vimMapMod	contained	"\%#=1\c<\(buffer\|expr\|\(local\)\=leader\|nowait\|plug\|script\|sid\|unique\|silent\)\+>" contains=vimMapModKey,vimMapModErr skipwhite nextgroup=vimMapMod,vimMapLhs
syn region	vimMapRhs	contained	start="\S" 	        skip=+\\|\|\@1<=|\|\n\s*\\\|\n\s*"\\ + end="|" end="$" contains=@vimContinue,vimCtrlChar,vimNotation skipnl nextgroup=vimMapRhsContinue
" assume a continuation comment introduces the RHS
syn region	vimMapRhsContinue	contained	start=+^\s*\%(\\\|"\\ \)+ skip=+\\|\|\@1<=|\|\n\s*\\\|\n\s*"\\ + end="|" end="$" contains=@vimContinue,vimCtrlChar,vimNotation
syn case ignore
syn keyword	vimMapModKey	contained	buffer	expr	leader	localleader	nowait	plug	script	sid	silent	unique
syn case match

" Menus: {{{2
" =====
" NOTE: tail comments disallowed
" GEN_SYN_VIM: vimCommand menu, START_STR='syn keyword vimMenu', END_STR='skipwhite nextgroup=vimMenuBang,vimMenuMod,vimMenuName,vimMenuPriority,vimMenuStatus'
syn keyword vimMenu am[enu] an[oremenu] aun[menu] cme[nu] cnoreme[nu] cunme[nu] ime[nu] inoreme[nu] iunme[nu] me[nu] nme[nu] nnoreme[nu] noreme[nu] nunme[nu] ome[nu] onoreme[nu] ounme[nu] sme[nu] snoreme[nu] sunme[nu] tlm[enu] tln[oremenu] tlu[nmenu] tm[enu] tu[nmenu] unme[nu] vme[nu] vnoreme[nu] vunme[nu] xme[nu] xnoreme[nu] xunme[nu] skipwhite nextgroup=vimMenuBang,vimMenuMod,vimMenuName,vimMenuPriority,vimMenuStatus
syn keyword vimMenu popu[p] skipwhite nextgroup=vimMenuBang,vimMenuName
syn region	vimMenuRhs	 contained contains=@vimContinue,vimNotation start="|\@!\S"            skip=+\\\\\|\\|\|\n\s*\\\|\n\s*"\\ + end="$" matchgroup=vimSep end="|"
syn region	vimMenuRhsContinue contained contains=@vimContinue,vimNotation start=+^\s*\%(\\\|"\\ \)+ skip=+\\\\\|\\|\|\n\s*\\\|\n\s*"\\ + end="$" matchgroup=vimSep end="|"
syn match	vimMenuName	"\.\@!\%(\\\s\|\S\)\+"        contained contains=vimMenuNotation,vimNotation skipwhite        nextgroup=vimCmdSep,vimMenuRhs
syn match	vimMenuName	"\.\@!\%(\\\s\|\S\)\+\ze\s*$" contained contains=vimMenuNotation,vimNotation skipwhite skipnl nextgroup=vimCmdSep,vimMenuRhsContinue
syn match	vimMenuNotation	"&\a\|&&\|\\\s\|\\\." contained
syn match	vimMenuPriority	"\<\d\+\%(\.\d\+\)*\>" contained skipwhite nextgroup=vimMenuName
syn match	vimMenuMod	"\c<\%(script\|silent\|special\)>" contained skipwhite nextgroup=vimMenuName,vimMenuPriority,vimMenuMod contains=vimMapModKey,vimMapModErr
syn keyword	vimMenuStatus	enable disable nextgroup=vimMenuName skipwhite
syn match	vimMenuBang	"\a\@1<=!" contained skipwhite nextgroup=vimMenuName,vimMenuMod

syn region	vimMenutranslate
      \ matchgroup=vimCommand start="\<menut\%[ranslate]\>"
      \ skip=+\\\\\|\\|\|\n\s*\\\|\n\s*"\\ +
      \ end="$" matchgroup=vimCmdSep end="|" matchgroup=vimMenuClear end="\<clear\ze\s*\%(["#|]\|$\)"
      \ contains=@vimContinue,vimMenutranslateName keepend transparent
" oneline is sufficient to match the current formatting in runtime/lang/*.vim
syn match	vimMenutranslateName "\%(\\\s\|\S\)\+" contained contains=vimMenuNotation,vimNotation
syn match	vimMenutranslateComment +".*+ contained containedin=vimMenutranslate

" Angle-Bracket Notation: (tnx to Michael Geddes) {{{2
" ======================
syn case ignore
syn match	vimNotation	"\%#=1\%(\\\|<lt>\)\=<\%([scamd]-\)\{0,4}x\=\%(f\d\{1,2}\|[^ \t:]\|space\|bar\|bslash\|nl\|newline\|lf\|linefeed\|cr\|retu\%[rn]\|enter\|k\=del\%[ete]\|bs\|backspace\|tab\|esc\|csi\|right\|paste\%(start\|end\)\|left\|help\|undo\|k\=insert\|ins\|mouse\|[kz]\=home\|[kz]\=end\|kplus\|kminus\|kdivide\|kmultiply\|kenter\|kpoint\|space\|k\=\%(page\)\=\%(\|down\|up\|k\d\>\)\)>" contains=vimBracket

syn match	vimNotation	"\%#=1\%(\\\|<lt>\)\=<\%([scamd2-4]-\)\{0,4}\%(net\|dec\|jsb\|pterm\|urxvt\|sgr\)mouse>"		contains=vimBracket
syn match	vimNotation	"\%#=1\%(\\\|<lt>\)\=<\%([scamd2-4]-\)\{0,4}\%(left\|middle\|right\)\%(mouse\|drag\|release\)>"	contains=vimBracket
syn match	vimNotation	"\%#=1\%(\\\|<lt>\)\=<\%([scamd2-4]-\)\{0,4}left\%(mouse\|release\)nm>"			contains=vimBracket
syn match	vimNotation	"\%#=1\%(\\\|<lt>\)\=<\%([scamd2-4]-\)\{0,4}x[12]\%(mouse\|drag\|release\)>"		contains=vimBracket
syn match	vimNotation	"\%#=1\%(\\\|<lt>\)\=<\%([scamd2-4]-\)\{0,4}sgrmouserelease>"			contains=vimBracket
syn match	vimNotation	"\%#=1\%(\\\|<lt>\)\=<\%([scamd2-4]-\)\{0,4}mouse\%(up\|down\|move\)>"			contains=vimBracket
syn match	vimNotation	"\%#=1\%(\\\|<lt>\)\=<\%([scamd2-4]-\)\{0,4}scrollwheel\%(up\|down\|right\|left\)>"		contains=vimBracket

syn match	vimNotation	"\%#=1\%(\\\|<lt>\)\=<\%(sid\|nop\|nul\|lt\|drop\)>"				contains=vimBracket
syn match	vimNotation	"\%#=1\%(\\\|<lt>\)\=<\%(snr\|plug\|cursorhold\|ignore\|cmd\|scriptcmd\|focus\%(gained\|lost\)\)>"	contains=vimBracket
syn match	vimNotation	'\%(\\\|<lt>\)\=<C-R>[0-9a-z"%#:.\-=]'he=e-1				contains=vimBracket
syn match	vimNotation	'\%#=1\%(\\\|<lt>\)\=<\%(q-\)\=\%(line[12]\|count\|bang\|reg\|args\|mods\|f-args\|f-mods\|lt\)>'	contains=vimBracket
syn match	vimNotation	"\%#=1\%(\\\|<lt>\)\=<\%([cas]file\|abuf\|amatch\|cexpr\|cword\|cWORD\|client\|stack\|script\|sf\=lnum\)>"	contains=vimBracket
syn match	vimNotation	"\%#=1\%(\\\|<lt>\)\=<\%([scamd]-\)\{0,4}char-\%(\d\+\|0\o\+\|0x\x\+\)>"		contains=vimBracket

syn match	vimBracket contained	"[\\<>]"
syn case match

" User Function Highlighting: {{{2
" (following Gautam Iyer's suggestion)
" ==========================
syn match	vimFunc              	"\%(\%([sSgGbBwWtTlL]:\|<[sS][iI][dD]>\)\=\%(\w\+\.\)*\I[a-zA-Z0-9_.]*\)\ze\s*("                	contains=vimFuncEcho,vimFuncName,vimUserFunc,vimExecute
syn match	vimUserFunc	contained        	"\%(\%([sSgGbBwWtTlL]:\|<[sS][iI][dD]>\)\=\%(\w\+\.\)*\I[a-zA-Z0-9_.]*\)\|\<\u[a-zA-Z0-9.]*\>\|\<if\>"	contains=vimNotation
syn keyword	vimFuncEcho	contained      	ec ech echo

" User Command Highlighting: {{{2
syn match vimUsrCmd	'^\s*\zs\u\%(\w*\)\@>\%([(#[]\|\s\+\%([-+*/%]\=\|\.\.\)=\)\@!'

" Errors And Warnings: {{{2
" ====================
if !exists("g:vimsyn_noerror") && !exists("g:vimsyn_novimfunctionerror")
 syn match	vimFunctionError	"\s\zs[a-z0-9]\i\{-}\ze\s*("			contained contains=vimFuncKey,vimFuncBlank
 syn match	vimFunctionError	"\s\zs\%(<[sS][iI][dD]>\|[sSgGbBwWtTlL]:\)\d\i\{-}\ze\s*("	contained contains=vimFuncKey,vimFuncBlank
 syn match	vimElseIfErr	"\<else\s\+if\>"
 syn match	vimBufnrWarn	/\<bufnr\s*(\s*["']\.['"]\s*)/
endif

syn match vimNotFunc	"\<if\>\|\<el\%[seif]\>\|\<retu\%[rn]\>\|\<while\>"	skipwhite nextgroup=vimOper,vimOperParen,vimVar,vimFunc,vimNotation

" Norm: {{{2
" ====
syn match	vimNorm		"\<norm\%[al]!\=" skipwhite nextgroup=vimNormCmds
syn match	vimNormCmds contained	".*$"

" Sleep: {{{2
" =====
syn keyword	vimSleep		sl[eep]		skipwhite nextgroup=vimSleepBang,vimSleepArg
syn match	vimSleepBang	contained	"\a\@1<=!"		skipwhite nextgroup=vimSleepArg
syn match	vimSleepArg	contained	"\<\%(\d\+\)\=m\=\>"

" Syntax: {{{2
"=======
syn match	vimGroupList	contained	"[^[:space:],]\+\%(\s*,\s*[^[:space:],]\+\)*" contains=vimGroupSpecial
syn region	vimGroupList	contained	start=/^\s*["#]\\ \|^\s*\\\|[^[:space:],]\+\s*,/ skip=/\s*\n\s*\\\|\s*\n\s*["#]\\ \|^\s*\\\|^\s*["#]\\ / end=/[^[:space:],]\s*$\|[^[:space:],]\ze\s\+\w/ contains=@vimContinue,vimGroupSpecial
syn keyword	vimGroupSpecial	contained	ALL	ALLBUT	CONTAINED	TOP

if !exists("g:vimsyn_noerror") && !exists("g:vimsyn_novimsynerror")
 syn match	vimSynError	contained	"\i\+"
 syn match	vimSynError	contained	"\i\+="	nextgroup=vimGroupList
endif
syn match	vimSynContains	contained	"\<contain\%(s\|edin\)="	skipwhite skipnl nextgroup=vimGroupList
syn match	vimSynKeyContainedin	contained	"\<containedin="	skipwhite skipnl nextgroup=vimGroupList
syn match	vimSynNextgroup	contained	"\<nextgroup="		skipwhite skipnl nextgroup=vimGroupList
if has("conceal")
 " no whitespace allowed after '='
 syn match	vimSynCchar	contained	"\<cchar="	nextgroup=vimSynCcharValue
 syn match	vimSynCcharValue	contained	"\S"
endif

syn match	vimSyntax	"\<sy\%[ntax]\>"	contains=vimCommand skipwhite nextgroup=vimSynType,@vimComment
syn cluster vimFuncBodyList add=vimSyntax

" Syntax: case {{{2
syn keyword	vimSynType	contained	case	skipwhite nextgroup=vimSynCase,vimSynCaseError
if !exists("g:vimsyn_noerror") && !exists("g:vimsyn_novimsyncaseerror")
 syn match	vimSynCaseError	contained	"\i\+"
endif
syn keyword	vimSynCase	contained	ignore	match

" Syntax: clear {{{2
syn keyword	vimSynType	contained	clear	skipwhite nextgroup=vimGroupList

" Syntax: cluster {{{2
syn keyword	vimSynType	contained	cluster	skipwhite nextgroup=vimClusterName
syn region	vimClusterName	contained keepend	matchgroup=vimGroupName start="\h\w*\>" skip=+\\\\\|\\\|\n\s*\\\|\n\s*"\\ + matchgroup=vimCmdSep end="$\||" contains=@vimContinue,vimGroupAdd,vimGroupRem,vimSynContains,vimSynError
syn match	vimGroupAdd	contained keepend	"\<add="	skipwhite skipnl nextgroup=vimGroupList
syn match	vimGroupRem	contained keepend	"\<remove="	skipwhite skipnl nextgroup=vimGroupList

" Syntax: foldlevel {{{2
syn keyword	vimSynType	contained	foldlevel	skipwhite nextgroup=vimSynFoldMethod,vimSynFoldMethodError
if !exists("g:vimsyn_noerror") && !exists("g:vimsyn_novimsynfoldmethoderror")
 syn match	vimSynFoldMethodError	contained	"\i\+"
endif
syn keyword	vimSynFoldMethod	contained	start	minimum

" Syntax: iskeyword {{{2
syn keyword	vimSynType	contained	iskeyword	skipwhite nextgroup=vimIskList
syn match	vimIskList	contained	'\S\+'	contains=vimIskSep
syn match	vimIskSep	contained	','

" Syntax: include {{{2
syn keyword	vimSynType	contained	include	skipwhite nextgroup=vimGroupList

" Syntax: keyword {{{2
syn cluster	vimSynKeyGroup	contains=@vimContinue,vimSynCchar,vimSynNextgroup,vimSynKeyOpt,vimSynKeyContainedin
syn keyword	vimSynType	contained	keyword	skipwhite nextgroup=vimSynKeyRegion
syn region	vimSynKeyRegion	contained         keepend	matchgroup=vimGroupName start="\h\w*\>" skip=+\\\\\|\\|\|\n\s*\\\|\n\s*"\\ + matchgroup=vimCmdSep end="|\|$" contains=@vimSynKeyGroup
syn match	vimSynKeyOpt	contained	"\%#=1\<\(conceal\|contained\|transparent\|skipempty\|skipwhite\|skipnl\)\>"

" Syntax: match {{{2
syn cluster	vimSynMtchGroup	contains=@vimContinue,vimSynCchar,vimSynContains,vimSynError,vimSynMtchOpt,vimSynNextgroup,vimSynRegPat,vimNotation,vimMtchComment
syn keyword	vimSynType	contained	match	skipwhite nextgroup=vimSynMatchRegion
syn region	vimSynMatchRegion	contained keepend	matchgroup=vimGroupName start="\h\w*\>" skip=+\\\\\|\\|\|\n\s*\\\|\n\s*"\\ + matchgroup=vimCmdSep end="|\|$" contains=@vimSynMtchGroup
syn match	vimSynMtchOpt	contained	"\%#=1\<\(conceal\|transparent\|contained\|excludenl\|keepend\|skipempty\|skipwhite\|display\|extend\|skipnl\|fold\)\>"

" Syntax: off and on {{{2
syn keyword	vimSynType	contained	enable	list	manual	off	on	reset

" Syntax: region {{{2
syn cluster	vimSynRegPatGroup	contains=@vimContinue,vimPatSep,vimNotPatSep,vimSynPatRange,vimSynNotPatRange,vimSubstSubstr,vimPatRegion,vimPatSepErr,vimNotation
syn cluster	vimSynRegGroup	contains=@vimContinue,vimSynCchar,vimSynContains,vimSynNextgroup,vimSynRegOpt,vimSynReg,vimSynMtchGrp
syn keyword	vimSynType	contained	region	skipwhite nextgroup=vimSynRegion
syn region	vimSynRegion	contained keepend	matchgroup=vimGroupName start="\h\w*" skip=+\\\\\|\\\|\n\s*\\\|\n\s*"\\ + end="|\|$" contains=@vimSynRegGroup
syn match	vimSynRegOpt	contained	"\%#=1\<\(conceal\(ends\)\=\|transparent\|contained\|excludenl\|skipempty\|skipwhite\|display\|keepend\|oneline\|extend\|skipnl\|fold\)\>"
syn match	vimSynReg	contained	"\<\%(start\|skip\|end\)="	nextgroup=vimSynRegPat
syn match	vimSynMtchGrp	contained	"matchgroup="	nextgroup=vimGroup,vimHLGroup,vimOnlyHLGroup,nvimHLGroup
syn region	vimSynRegPat	contained extend	start="\z([-`~!@#$%^&*_=+;:'",./?]\)"  skip=/\\\\\|\\\z1\|\n\s*\\\|\n\s*"\\ /  end="\z1"  contains=@vimSynRegPatGroup skipwhite nextgroup=vimSynPatMod,vimSynReg
syn match	vimSynPatMod	contained	"\%#=1\(hs\|ms\|me\|hs\|he\|rs\|re\)=[se]\([-+]\d\+\)\="
syn match	vimSynPatMod	contained	"\%#=1\(hs\|ms\|me\|hs\|he\|rs\|re\)=[se]\([-+]\d\+\)\=," nextgroup=vimSynPatMod
syn match	vimSynPatMod	contained	"lc=\d\+"
syn match	vimSynPatMod	contained	"lc=\d\+," nextgroup=vimSynPatMod
syn region	vimSynPatRange	contained	start="\["	skip="\\\\\|\\]"   end="]"
syn match	vimSynNotPatRange	contained	"\\\\\|\\\["
syn match	vimMtchComment	contained	'"[^"]\+$'

" Syntax: sync {{{2
" ============
syn keyword vimSynType	contained	sync	skipwhite	nextgroup=vimSyncC,vimSyncLines,vimSyncMatch,vimSyncError,vimSyncLinebreak,vimSyncLinecont,vimSyncRegion
if !exists("g:vimsyn_noerror") && !exists("g:vimsyn_novimsyncerror")
 syn match	vimSyncError	contained	"\i\+"
endif
syn keyword	vimSyncC	contained	ccomment	clear	fromstart
syn keyword	vimSyncMatch	contained	match	skipwhite	nextgroup=vimSyncGroupName
syn keyword	vimSyncRegion	contained	region	skipwhite	nextgroup=vimSynReg
syn match	vimSyncLinebreak	contained	"\<linebreaks="	skipwhite	nextgroup=vimNumber
syn keyword	vimSyncLinecont	contained	linecont	skipwhite	nextgroup=vimSynRegPat
syn match	vimSyncLines	contained	"\(min\|max\)\=lines="	nextgroup=vimNumber
syn match	vimSyncGroupName	contained	"\h\w*"	skipwhite	nextgroup=vimSyncKey
syn match	vimSyncKey	contained	"\<groupthere\|grouphere\>"	skipwhite nextgroup=vimSyncGroup
syn match	vimSyncGroup	contained	"\h\w*"	skipwhite	nextgroup=vimSynRegPat,vimSyncNone
syn keyword	vimSyncNone	contained	NONE

" Additional IsCommand: here by reasons of precedence {{{2
" ====================
syn match	vimIsCommand	"<Bar>\s*\a\+"	transparent contains=vimCommand,vimNotation

" Highlighting: {{{2
" ============
syn cluster	vimHighlightCluster		contains=vimHiLink,vimHiClear,vimHiKeyList,@vimComment
if !exists("g:vimsyn_noerror") && !exists("g:vimsyn_novimhictermerror")
 syn match	vimHiCtermError	contained	"\D\i*"
endif
syn match	vimHighlight	"\<hi\%[ghlight]\>"	skipwhite nextgroup=vimHiBang,@vimHighlightCluster
syn match	vimHiBang	contained	"\a\@1<=!"	skipwhite nextgroup=@vimHighlightCluster

syn match	vimHiGroup	contained	"\i\+"
syn case ignore
syn keyword	vimHiAttrib	contained	none bold inverse italic nocombine reverse standout strikethrough underline undercurl underdashed underdotted underdouble
syn keyword	vimFgBgAttrib	contained	none bg background fg foreground
syn case match
syn match	vimHiAttribList	contained	"\i\+"	contains=vimHiAttrib
syn match	vimHiAttribList	contained	"\i\+,"he=e-1	contains=vimHiAttrib nextgroup=vimHiAttribList
syn case ignore
syn keyword	vimHiCtermColor	contained	black blue brown cyan darkblue darkcyan darkgray darkgreen darkgrey darkmagenta darkred darkyellow gray green grey grey40 grey50 grey90 lightblue lightcyan lightgray lightgreen lightgrey lightmagenta lightred lightyellow magenta red seagreen white yellow
syn match	vimHiCtermColor	contained	"\<color\d\{1,3}\>"

syn case match
syn match	vimHiFontname	contained	"[a-zA-Z\-*]\+"
syn match	vimHiGuiFontname	contained	"'[a-zA-Z\-* ]\+'"
syn match	vimHiGuiRgb	contained	"#\x\{6}"

" Highlighting: hi group key=arg ... {{{2
syn cluster	vimHiCluster contains=vimGroup,vimHiBlend,vimHiGroup,vimHiTerm,vimHiCTerm,vimHiStartStop,vimHiCtermFgBg,vimHiCtermul,vimHiCtermfont,vimHiGui,vimHiGuiFont,vimHiGuiFgBg,vimHiKeyError,vimNotation,vimComment,vim9comment
syn region	vimHiKeyList	contained 	start="\i\+" skip=+\\\\\|\\|\|\n\s*\\\|\n\s*"\\ + matchgroup=vimCmdSep end="|" excludenl end="$" contains=@vimContinue,@vimHiCluster
if !exists("g:vimsyn_noerror") && !exists("g:vimsyn_vimhikeyerror")
 syn match	vimHiKeyError	contained	"\i\+="he=e-1
endif
syn match	vimHiTerm	contained	"\cterm="he=e-1		nextgroup=vimHiAttribList
syn match	vimHiStartStop	contained	"\c\%(start\|stop\)="he=e-1	nextgroup=vimHiTermcap,vimOption
syn match	vimHiCTerm	contained	"\ccterm="he=e-1		nextgroup=vimHiAttribList
syn match	vimHiCtermFgBg	contained	"\ccterm[fb]g="he=e-1	nextgroup=vimHiNmbr,vimHiCtermColor,vimFgBgAttrib,vimHiCtermError
syn match	vimHiCtermul	contained	"\cctermul="he=e-1	nextgroup=vimHiNmbr,vimHiCtermColor,vimFgBgAttrib,vimHiCtermError
syn match	vimHiCtermfont	contained	"\cctermfont="he=e-1	nextgroup=vimHiNmbr,vimHiCtermColor,vimFgBgAttrib,vimHiCtermError
syn match	vimHiGui	contained	"\cgui="he=e-1		nextgroup=vimHiAttribList
syn match	vimHiGuiFont	contained	"\cfont="he=e-1		nextgroup=vimHiFontname
syn match	vimHiGuiFgBg	contained	"\cgui\%([fb]g\|sp\)="he=e-1	nextgroup=vimHiGroup,vimHiGuiFontname,vimHiGuiRgb,vimFgBgAttrib
syn match	vimHiTermcap	contained	"\S\+"		contains=vimNotation
syn match	vimHiBlend	contained	"\cblend="he=e-1		nextgroup=vimHiNmbr
syn match	vimHiNmbr	contained	'\d\+'

" Highlight: clear {{{2
syn keyword	vimHiClear	contained	clear	skipwhite nextgroup=vimGroup,vimHiGroup

" Highlight: link {{{2
" see tst24 (hi def vs hi) (Jul 06, 2018)
"syn region	vimHiLink	contained oneline matchgroup=vimCommand start="\(\<hi\%[ghlight]\s\+\)\@<=\(\(def\%[ault]\s\+\)\=link\>\|\<def\>\)" end="$"	contains=vimHiGroup,vimGroup,vimHLGroup,vimNotation
" TODO: simplify and allow line continuations --djk
syn region	vimHiLink	contained matchgroup=Type start="\%(\<hi\%[ghlight]!\=\s\+\)\@<=\%(\%(def\%[ault]\s\+\)\=link\>\|\<def\%[ault]\>\)" skip=+\\\\\|\\|\|\n\s*\\\|\n\s*"\\ + matchgroup=vimCmdSep end="|" excludenl end="$" contains=@vimContinue,@vimHiCluster

" Control Characters: {{{2
" ==================
syn match	vimCtrlChar	"[
--]"

" Beginners - Patterns that involve ^ {{{2
" =========
if s:vim9script
  syn region	vim9LineComment	start=+^[ \t:]*\zs#.*$+ skip=+\n\s*\\\|\n\s*#\\ + end="$" contains=@vimCommentGroup,vimCommentString,vim9CommentTitle
  syn region	vimLineComment	start=+^[ \t:]*\zs".*$+ skip=+\n\s*\\\|\n\s*"\\ + end="$" contains=@vimCommentGroup,vimCommentString,vimCommentTitle contained
else
  syn region	vimLineComment	start=+^[ \t:]*\zs".*$+ skip=+\n\s*\\\|\n\s*"\\ + end="$" contains=@vimCommentGroup,vimCommentString,vimCommentTitle
  syn region	vim9LineComment	start=+^[ \t:]*\zs#.*$+ skip=+\n\s*\\\|\n\s*#\\ + end="$" contains=@vimCommentGroup,vimCommentString,vim9CommentTitle contained
endif
syn match	vimCommentTitle	'"\s*\%([sS]:\|\h\w*#\)\=\u\w*\(\s\+\u\w*\)*:'hs=s+1	contained contains=vimCommentTitleLeader,vimTodo,@vimCommentGroup
syn match	vim9CommentTitle	'#\s*\%([sS]:\|\h\w*#\)\=\u\w*\(\s\+\u\w*\)*:'hs=s+1	contained contains=vim9CommentTitleLeader,vimTodo,@vimCommentGroup

" allowed anywhere in the file
if !s:vim9script
  syn match	vimShebangError	"^\s*\zs#!.*" display
endif
syn match	vimShebang	"\%^#!.*" display

syn match	vimContinue		"^\s*\zs\\"
syn match         vimContinueComment	'^\s*\zs["#]\\ .*'
syn cluster	vimContinue contains=vimContinue,vimContinueComment
syn region	vimString	start="^\s*\\\z(['"]\)" skip='\\\\\|\\\z1' end="\z1" oneline keepend contains=@vimStringGroup,vimContinue
syn match	vimCommentTitleLeader	'"\s\+'ms=s+1	contained
syn match	vim9CommentTitleLeader	'#\s\+'ms=s+1	contained

" Searches And Globals: {{{2
" ====================
syn match	vimSearch	'^\s*[/?].*'		contains=vimSearchDelim
syn match	vimSearchDelim	'^\s*\zs[/?]\|[/?]$'	contained
syn region	vimGlobal	matchgroup=Statement start='\<g\%[lobal]!\=/'  skip='\\.' end='/'	skipwhite nextgroup=vimSubst1
syn region	vimGlobal	matchgroup=Statement start='\<v\%[global]!\=/' skip='\\.' end='/'	skipwhite nextgroup=vimSubst1

" Vim9 Script Regions: {{{2
" ==================

if s:vim9script
  syn cluster vimLegacyTop	contains=TOP,vim9LegacyHeader,vim9Comment,vim9LineComment
  VimFoldH syn region vim9LegacyHeader start="\%^" end="^\ze\s*vim9s\%[cript]\>" contains=@vimLegacyTop,vimComment,vimLineComment

  syn keyword vim9Vim9ScriptArg	noclear contained
  syn keyword vim9Vim9Script	vim9s[cript] nextgroup=vim9Vim9ScriptArg skipwhite
endif

" Embedded Scripts:  {{{2
" ================
"   perl,ruby     : Benoit Cerrina
"   python,tcl    : Johannes Zellner
"   mzscheme, lua : Charles Campbell

" Allows users to specify the type of embedded script highlighting
" they want:  (perl/python/ruby/tcl support)
"   g:vimsyn_embed == 0   : don't embed any scripts
"   g:vimsyn_embed =~# 'l' : embed Lua
"   g:vimsyn_embed =~# 'm' : embed MzScheme
"   g:vimsyn_embed =~# 'p' : embed Perl
"   g:vimsyn_embed =~# 'P' : embed Python
"   g:vimsyn_embed =~# 'r' : embed Ruby
"   g:vimsyn_embed =~# 't' : embed Tcl
if !exists("g:vimsyn_embed")
 let g:vimsyn_embed = 'l'
endif

" [-- lua --] {{{3
let s:luapath= fnameescape(expand("<sfile>:p:h")."/lua.vim")
if !filereadable(s:luapath)
 for s:luapath in split(globpath(&rtp,"syntax/lua.vim"),"\n")
  if filereadable(fnameescape(s:luapath))
   let s:luapath= fnameescape(s:luapath)
   break
  endif
 endfor
endif
if g:vimsyn_embed =~# 'l' && filereadable(s:luapath)
 unlet! b:current_syntax
 syn cluster vimFuncBodyList	add=vimLuaRegion
 exe "syn include @vimLuaScript ".s:luapath
 VimFoldl syn region vimLuaRegion matchgroup=vimScriptDelim start=+lua\s*<<\s*\z(.*\)$+ end=+^\z1$+	contains=@vimLuaScript
 VimFoldl syn region vimLuaRegion matchgroup=vimScriptDelim start=+lua\s*<<\s*$+ end=+\.$+	contains=@vimLuaScript
 syn cluster vimFuncBodyList	add=vimLuaRegion
else
 syn region vimEmbedError start=+lua\s*<<\s*\z(.*\)$+ end=+^\z1$+
 syn region vimEmbedError start=+lua\s*<<\s*$+ end=+\.$+
endif
unlet s:luapath

" [-- perl --] {{{3
let s:perlpath= fnameescape(expand("<sfile>:p:h")."/perl.vim")
if !filereadable(s:perlpath)
 for s:perlpath in split(globpath(&rtp,"syntax/perl.vim"),"\n")
  if filereadable(fnameescape(s:perlpath))
   let s:perlpath= fnameescape(s:perlpath)
   break
  endif
 endfor
endif
if g:vimsyn_embed =~# 'p' && filereadable(s:perlpath)
 unlet! b:current_syntax
 syn cluster vimFuncBodyList	add=vimPerlRegion
 let s:foldmethod = &l:foldmethod
 exe "syn include @vimPerlScript ".s:perlpath
 let &l:foldmethod = s:foldmethod
 VimFoldp syn region vimPerlRegion  matchgroup=vimScriptDelim start=+pe\%[rl]\s*<<\s*\z(\S*\)\ze\(\s*["#].*\)\=$+ end=+^\z1\ze\(\s*[#"].*\)\=$+	contains=@vimPerlScript
 VimFoldp syn region vimPerlRegion	matchgroup=vimScriptDelim start=+pe\%[rl]\s*<<\s*$+ end=+\.$+			contains=@vimPerlScript
 syn cluster vimFuncBodyList	add=vimPerlRegion
else
 syn region vimEmbedError start=+pe\%[rl]\s*<<\s*\z(.*\)$+ end=+^\z1$+
 syn region vimEmbedError start=+pe\%[rl]\s*<<\s*$+ end=+\.$+
endif
unlet s:perlpath

" [-- ruby --] {{{3
let s:rubypath= fnameescape(expand("<sfile>:p:h")."/ruby.vim")
if !filereadable(s:rubypath)
 for s:rubypath in split(globpath(&rtp,"syntax/ruby.vim"),"\n")
  if filereadable(fnameescape(s:rubypath))
   let s:rubypath= fnameescape(s:rubypath)
   break
  endif
 endfor
endif
if g:vimsyn_embed =~# 'r' && filereadable(s:rubypath)
 syn cluster vimFuncBodyList	add=vimRubyRegion
 unlet! b:current_syntax
 let s:foldmethod = &l:foldmethod
 exe "syn include @vimRubyScript ".s:rubypath
 let &l:foldmethod = s:foldmethod
 VimFoldr syn region vimRubyRegion	matchgroup=vimScriptDelim start=+rub[y]\s*<<\s*\z(\S*\)\ze\(\s*#.*\)\=$+ end=+^\z1\ze\(\s*".*\)\=$+	contains=@vimRubyScript
 syn region vimRubyRegion	matchgroup=vimScriptDelim start=+rub[y]\s*<<\s*$+ end=+\.$+			contains=@vimRubyScript
 syn cluster vimFuncBodyList	add=vimRubyRegion
else
 syn region vimEmbedError start=+rub[y]\s*<<\s*\z(.*\)$+ end=+^\z1$+
 syn region vimEmbedError start=+rub[y]\s*<<\s*$+ end=+\.$+
endif
unlet s:rubypath

" [-- python --] {{{3
let s:pythonpath= fnameescape(expand("<sfile>:p:h")."/python.vim")
if !filereadable(s:pythonpath)
 for s:pythonpath in split(globpath(&rtp,"syntax/python.vim"),"\n")
  if filereadable(fnameescape(s:pythonpath))
   let s:pythonpath= fnameescape(s:pythonpath)
   break
  endif
 endfor
endif
if g:vimsyn_embed =~# 'P' && filereadable(s:pythonpath)
 unlet! b:current_syntax
 syn cluster vimFuncBodyList	add=vimPythonRegion
 exe "syn include @vimPythonScript ".s:pythonpath
 VimFoldP syn region vimPythonRegion matchgroup=vimScriptDelim start=+py\%[thon][3x]\=\s*<<\s*\%(trim\s*\)\=\z(\S*\)\ze\(\s*#.*\)\=$+ end=+^\z1\ze\(\s*".*\)\=$+	contains=@vimPythonScript
 VimFoldP syn region vimPythonRegion matchgroup=vimScriptDelim start=+py\%[thon][3x]\=\s*<<\s*\%(trim\s*\)\=$+ end=+\.$+				contains=@vimPythonScript
 VimFoldP syn region vimPythonRegion matchgroup=vimScriptDelim start=+Py\%[thon]2or3\s*<<\s*\%(trim\s*\)\=\z(\S*\)\ze\(\s*#.*\)\=$+ end=+^\z1\ze\(\s*".*\)\=$+	contains=@vimPythonScript
 VimFoldP syn region vimPythonRegion matchgroup=vimScriptDelim start=+Py\%[thon]2or3\=\s*<<\s*\%(trim\s*\)\=$+ end=+\.$+				contains=@vimPythonScript
 syn cluster vimFuncBodyList	add=vimPythonRegion
else
 syn region vimEmbedError start=+py\%[thon]3\=\s*<<\s*\z(.*\)$+ end=+^\z1$+
 syn region vimEmbedError start=+py\%[thon]3\=\s*<<\s*$+ end=+\.$+
endif
unlet s:pythonpath

" [-- tcl --] {{{3
if has("win32") || has("win95") || has("win64") || has("win16")
 " apparently has("tcl") has been hanging vim on some windows systems with cygwin
 let s:trytcl= (&shell !~ '\<\%(bash\>\|4[nN][tT]\|\<zsh\)\>\%(\.exe\)\=$')
else
 let s:trytcl= 1
endif
if s:trytcl
 let s:tclpath= fnameescape(expand("<sfile>:p:h")."/tcl.vim")
 if !filereadable(s:tclpath)
  for s:tclpath in split(globpath(&rtp,"syntax/tcl.vim"),"\n")
   if filereadable(fnameescape(s:tclpath))
    let s:tclpath= fnameescape(s:tclpath)
    break
   endif
  endfor
 endif
 if g:vimsyn_embed =~# 't' && filereadable(s:tclpath)
  unlet! b:current_syntax
  syn cluster vimFuncBodyList	add=vimTclRegion
  exe "syn include @vimTclScript ".s:tclpath
  VimFoldt syn region vimTclRegion matchgroup=vimScriptDelim start=+tc[l]\=\s*<<\s*\z(.*\)$+ end=+^\z1$+	contains=@vimTclScript
  VimFoldt syn region vimTclRegion matchgroup=vimScriptDelim start=+tc[l]\=\s*<<\s*$+ end=+\.$+	contains=@vimTclScript
  syn cluster vimFuncBodyList	add=vimTclScript
 else
  syn region vimEmbedError start=+tc[l]\=\s*<<\s*\z(.*\)$+ end=+^\z1$+
  syn region vimEmbedError start=+tc[l]\=\s*<<\s*$+ end=+\.$+
 endif
 unlet s:tclpath
else
 syn region vimEmbedError start=+tc[l]\=\s*<<\s*\z(.*\)$+ end=+^\z1$+
 syn region vimEmbedError start=+tc[l]\=\s*<<\s*$+ end=+\.$+
endif
unlet s:trytcl

" [-- mzscheme --] {{{3
let s:mzschemepath= fnameescape(expand("<sfile>:p:h")."/scheme.vim")
if !filereadable(s:mzschemepath)
 for s:mzschemepath in split(globpath(&rtp,"syntax/mzscheme.vim"),"\n")
  if filereadable(fnameescape(s:mzschemepath))
   let s:mzschemepath= fnameescape(s:mzschemepath)
   break
  endif
 endfor
endif
if g:vimsyn_embed =~# 'm' && filereadable(s:mzschemepath)
 unlet! b:current_syntax
 let s:iskKeep= &isk
 syn cluster vimFuncBodyList	add=vimMzSchemeRegion
 exe "syn include @vimMzSchemeScript ".s:mzschemepath
 let &isk= s:iskKeep
 unlet s:iskKeep
 VimFoldm syn region vimMzSchemeRegion matchgroup=vimScriptDelim start=+mz\%[scheme]\s*<<\s*\z(.*\)$+ end=+^\z1$+	contains=@vimMzSchemeScript
 VimFoldm syn region vimMzSchemeRegion matchgroup=vimScriptDelim start=+mz\%[scheme]\s*<<\s*$+ end=+\.$+		contains=@vimMzSchemeScript
 syn cluster vimFuncBodyList	add=vimMzSchemeRegion
else
 syn region vimEmbedError start=+mz\%[scheme]\s*<<\s*\z(.*\)$+ end=+^\z1$+
 syn region vimEmbedError start=+mz\%[scheme]\s*<<\s*$+ end=+\.$+
endif
unlet s:mzschemepath

" Synchronize (speed) {{{2
"============
if exists("g:vimsyn_minlines")
 exe "syn sync minlines=".g:vimsyn_minlines
endif
exe "syn sync maxlines=".s:vimsyn_maxlines
syn sync linecont	"^\s\+\\"
syn sync linebreaks=1
syn sync match vimAugroupSyncA	groupthere NONE	"\<aug\%[roup]\>\s\+[eE][nN][dD]"

" ====================
" Highlighting Settings {{{2
" ====================

if !exists("skip_vim_syntax_inits")
 if !exists("g:vimsyn_noerror")
  hi def link vimBehaveError	vimError
  hi def link vimCollClassErr	vimError
  hi def link vimErrSetting	vimError
  hi def link vimEmbedError	Normal
  hi def link vimFTError	vimError
  hi def link vimFunctionError	vimError
  hi def link vimFunc         	vimError
  hi def link vimHiAttribList	vimError
  hi def link vimHiCtermError	vimError
  hi def link vimHiKeyError	vimError
  hi def link vimMapModErr	vimError
  hi def link vimShebangError	vimError
  hi def link vimSubstFlagErr	vimError
  hi def link vimSynCaseError	vimError
  hi def link vimSynFoldMethodError	vimError
  hi def link vimBufnrWarn	vimWarn
 endif

 hi def link vim9Vim9ScriptArg	Special
 hi def link vimAbb	vimCommand
 hi def link vimAddress	vimMark
 hi def link vimAugroupBang	vimBang
 hi def link vimAugroupError	vimError
 hi def link vimAugroupKey	vimCommand
 hi def link vimAutoCmd	vimCommand
 hi def link vimAutoEvent	Type
 hi def link vimAutoCmdMod	Special
 hi def link vimBang	vimOper
 hi def link vimBehaveBang	vimBang
 hi def link vimBehaveModel	vimBehave
 hi def link vimBehave	vimCommand
 hi def link vimBracket	Delimiter
 hi def link vimCatch	vimCommand
 hi def link vimCmplxRepeat	SpecialChar
 hi def link vimCommand	Statement
 hi def link vimComment	Comment
 hi def link vimCommentError	vimError
 hi def link vim9Comment	Comment
 hi def link vim9CommentError	vimError
 hi def link vimCommentString	vimString
 hi def link vimCommentTitle	PreProc
 hi def link vim9CommentTitle	PreProc
 hi def link vimCondHL	vimCommand
 hi def link vimConst	vimCommand
 hi def link vimContinue	Special
 hi def link vimContinueComment	vimComment
 hi def link vimCtrlChar	SpecialChar
 hi def link vimDefComment	vim9Comment
 hi def link vimDefKey	vimCommand
 hi def link vimDefParam vimVar
 hi def link vimEcho	vimCommand
 hi def link vimEchohlNone	vimGroup
 hi def link vimEchohl	vimCommand
 hi def link vimElseIfErr	Error
 hi def link vimEndfunction	vimCommand
 hi def link vimEnddef	vimCommand
 hi def link vimEnvvar	PreProc
 hi def link vimError	Error
 hi def link vimEscape	Special
 hi def link vimFBVar	vimVar
 hi def link vimFgBgAttrib	vimHiAttrib
 hi def link vimFuncEcho	vimCommand
 hi def link vimFor	vimCommand
 hi def link vimFTCmd	vimCommand
 hi def link vimFTOption	vimSynType
 hi def link vimFuncBang	vimBang
 hi def link vimFuncComment	vimComment
 hi def link vimFuncKey	vimCommand
 hi def link vimFuncName	Function
 hi def link vimFuncMod	Special
 hi def link vimFuncParam	vimVar
 hi def link vimFuncParamEquals	vimOper
 hi def link vimFuncSID	Special
 hi def link vimFuncVar	Identifier
 hi def link vimGroupAdd	vimSynOption
 hi def link vimGroupName	vimGroup
 hi def link vimGroupRem	vimSynOption
 hi def link vimGroupSpecial	Special
 hi def link vimGroup	Type
 hi def link vimHiAttrib	PreProc
 hi def link vimHiBang	vimBang
 hi def link vimHiBlend	vimHiTerm
 hi def link vimHiClear	Type
 hi def link vimHiCtermColor	Constant
 hi def link vimHiCtermFgBg	vimHiTerm
 hi def link vimHiCtermfont	vimHiTerm
 hi def link vimHiCtermul	vimHiTerm
 hi def link vimHiCTerm	vimHiTerm
 hi def link vimHighlight	vimCommand
 hi def link vimHiGroup	vimGroupName
 hi def link vimHiGuiFgBg	vimHiTerm
 hi def link vimHiGuiFont	vimHiTerm
 hi def link vimHiGuiRgb	vimNumber
 hi def link vimHiGui	vimHiTerm
 hi def link vimHiNmbr	Number
 hi def link vimHiStartStop	vimHiTerm
 hi def link vimHiTerm	Type
 hi def link vimHLGroup	vimGroup
 hi def link vimInsert	vimString
 hi def link vimIskSep	Delimiter
 hi def link vim9KeymapLineComment	vimKeymapLineComment
 hi def link vimKeymapLineComment	vimComment
 hi def link vimKeymapTailComment	vimComment
 hi def link vimLet	vimCommand
 hi def link vimLetHereDoc	vimString
 hi def link vimLetHereDocStart	Special
 hi def link vimLetHereDocStop	Special
 hi def link vimLetRegister	Special
 hi def link vimLineComment	vimComment
 hi def link vim9LineComment	vimComment
 hi def link vimMapBang	vimBang
 hi def link vimMapModKey	vimFuncSID
 hi def link vimMapMod	vimBracket
 hi def link vimMap	vimCommand
 hi def link vimMark	Number
 hi def link vimMarkNumber	vimNumber
 hi def link vimMenuBang	vimBang
 hi def link vimMenuClear	Special
 hi def link vimMenuMod	vimMapMod
 hi def link vimMenuName	PreProc
 hi def link vimMenu	vimCommand
 hi def link vimMenuNotation	vimNotation
 hi def link vimMenuPriority	Number
 hi def link vimMenuStatus	Special
 hi def link vimMenutranslateComment	vimComment
 hi def link vimMtchComment	vimComment
 hi def link vimNorm	vimCommand
 hi def link vimNotation	Special
 hi def link vimNotFunc	vimCommand
 hi def link vimNotPatSep	vimString
 hi def link vimNumber	Number
 hi def link vimOperError	Error
 hi def link vimOper	Operator
 hi def link vimOption	PreProc
 hi def link vimParenSep	Delimiter
 hi def link vimPatSepErr	vimError
 hi def link vimPatSepR	vimPatSep
 hi def link vimPatSep	SpecialChar
 hi def link vimPatSepZone	vimString
 hi def link vimPatSepZ	vimPatSep
 hi def link vimPattern	Type
 hi def link vimPlainMark	vimMark
 hi def link vimPlainRegister	vimRegister
 hi def link vimRegister	SpecialChar
 hi def link vimScriptDelim	Comment
 hi def link vimSearchDelim	Statement
 hi def link vimSearch	vimString
 hi def link vimSep	Delimiter
 hi def link vimSetMod	vimOption
 hi def link vimSetSep	Statement
 hi def link vimSetString	vimString
 hi def link vim9Vim9Script	vimCommand
 hi def link vimShebang	PreProc
 hi def link vimSleep	vimCommand
 hi def link vimSleepArg	Constant
 hi def link vimSleepBang	vimBang
 hi def link vimSpecFile	Identifier
 hi def link vimSpecFileMod	vimSpecFile
 hi def link vimSpecial	Type
 hi def link vimStringCont	vimString
 hi def link vimString	String
 hi def link vimStringEnd	vimString
 hi def link vimStringInterpolationBrace	vimEscape
 hi def link vimSubst1	vimSubst
 hi def link vimSubstDelim	Delimiter
 hi def link vimSubstFlags	Special
 hi def link vimSubstSubstr	SpecialChar
 hi def link vimSubstTwoBS	vimString
 hi def link vimSubst	vimCommand
 hi def link vimSynCaseError	Error
 hi def link vimSynCase	Type
 hi def link vimSyncC	Type
 hi def link vimSyncError	Error
 hi def link vimSyncGroupName	vimGroupName
 hi def link vimSyncGroup	vimGroupName
 hi def link vimSyncKey	Type
 hi def link vimSyncNone	Type
 hi def link vimSynContains	vimSynOption
 hi def link vimSynError	Error
 hi def link vimSynFoldMethodError	Error
 hi def link vimSynFoldMethod	Type
 hi def link vimSynKeyContainedin	vimSynContains
 hi def link vimSynKeyOpt	vimSynOption
 hi def link vimSynCchar	vimSynOption
 hi def link vimSynCcharValue	Character
 hi def link vimSynMtchGrp	vimSynOption
 hi def link vimSynMtchOpt	vimSynOption
 hi def link vimSynNextgroup	vimSynOption
 hi def link vimSynNotPatRange	vimSynRegPat
 hi def link vimSynOption	Special
 hi def link vimSynPatRange	vimString
 hi def link vimSynRegOpt	vimSynOption
 hi def link vimSynRegPat	vimString
 hi def link vimSynReg	Type
 hi def link vimSyntax	vimCommand
 hi def link vimSynType	vimSpecial
 hi def link vimThrow	vimCommand
 hi def link vimTodo	Todo
 hi def link vimType	Type
 hi def link vimUnlet	vimCommand
 hi def link vimUnletBang	vimBang
 hi def link vimUnmap	vimMap
 hi def link vimUserAttrbCmpltFunc	Special
 hi def link vimUserAttrbCmplt	vimSpecial
 hi def link vimUserAttrbKey	vimOption
 hi def link vimUserAttrb	vimSpecial
 hi def link vimUserAttrbError	Error
 hi def link vimUserCmdError	Error
 hi def link vimUserCommand	vimCommand
 hi def link vimUserFunc	Normal
 hi def link vimVar	Identifier
 hi def link vimWarn	WarningMsg

 hi def link nvimAutoEvent	vimAutoEvent
 hi def link nvimHLGroup	vimHLGroup
endif

" Current Syntax Variable: {{{2
let b:current_syntax = "vim"

" ---------------------------------------------------------------------
" Cleanup: {{{1
delc VimFolda
delc VimFoldf
delc VimFoldh
delc VimFoldH
delc VimFoldl
delc VimFoldm
delc VimFoldp
delc VimFoldP
delc VimFoldr
delc VimFoldt
let &cpo = s:keepcpo
unlet s:keepcpo s:vim9script
" vim:ts=18 fdm=marker ft=vim