Adding upstream version 2:9.1.0374.upstream/2%9.1.0374

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

2 files changed, 133 insertions, 61 deletions

diff --git a/runtime/syntax/generator/gen_syntax_vim.vim b/runtime/syntax/generator/gen_syntax_vim.vim
index b4feeed..d320bdb 100644
--- a/runtime/syntax/generator/gen_syntax_vim.vim
+++ b/runtime/syntax/generator/gen_syntax_vim.vim
@@ -2,8 +2,8 @@
 " Language: Vim script
 " Maintainer: Hirohito Higashi (h_east)
 " URL: https://github.com/vim-jp/syntax-vim-ex
-" Last Change: 2024 Mar 14
-" Version: 2.0.6
+" Last Change: 2024 Apr 07
+" Version: 2.1.1
 
 let s:keepcpo= &cpo
 set cpo&vim
@@ -269,7 +269,9 @@ function! s:get_vim_command_type(cmd_name)
 	"   4: map
 	"   5: mapclear
 	"   6: unmap
+	"   7: abclear
 	"   99: (Exclude registration of "syn keyword")
+	let ab_prefix   = '^[ci]\?'
 	let menu_prefix = '^\%([acinostvx]\?\|tl\)'
 	let map_prefix  = '^[acilnostvx]\?'
 	let exclude_list = [
@@ -284,6 +286,7 @@ function! s:get_vim_command_type(cmd_name)
 	\	'append', 'insert',
 	\	'Next', 'Print', 'X',
 	\	'new', 'popup',
+	\	'vim9script',
 	\ ]
 	" Required for original behavior
 	" \	'global', 'vglobal'
@@ -292,6 +295,8 @@ function! s:get_vim_command_type(cmd_name)
 		let ret = 99
 	elseif a:cmd_name =~# '^\%(\%(un\)\?abbreviate\|noreabbrev\|\l\%(nore\|un\)\?abbrev\)$'
 		let ret = 2
+	elseif a:cmd_name =~# ab_prefix . 'abclear$'
+		let ret = 7
 	elseif a:cmd_name =~# menu_prefix . '\%(nore\|un\)\?menu$'
 		let ret = 3
 	elseif a:cmd_name =~# map_prefix . '\%(nore\)\?map$'
@@ -342,14 +347,14 @@ function! s:parse_vim_event(li)
 		new
 		exec 'read ' . file_name
 		norm! gg
-		exec '/^}\s*event_names\[\]\s*=\s*$/+1;/^};/-1yank'
+		exec '/^static keyvalue_T event_tab\[] = {$/+1;/^};$/-1yank'
 		%delete _
 
 		put
-		g!/^\s*{\s*"\w\+"\s*,.*$/d
+		g!/^\s*KEYVALUE_ENTRY(/d
 
 		for line in getline(1, line('$'))
-			let list = matchlist(line, '^\s*{\s*"\(\w\+\)"\s*,')
+			let list = matchlist(line, '^\s*KEYVALUE_ENTRY(EVENT_\w\+,\s*"\(\w\+\)"')
 			let item.name = list[1]
 			call add(a:li, copy(item))
 		endfor
@@ -618,6 +623,8 @@ function! s:update_syntax_vim_file(vim_info)
 		let li = a:vim_info.cmd
 		let lnum = s:search_and_check(kword . ' abbrev', base_fname, str_info)
 		let lnum = s:append_syn_vimcmd(lnum, str_info, li, 2)
+		let lnum = s:search_and_check(kword . ' abclear', base_fname, str_info)
+		let lnum = s:append_syn_vimcmd(lnum, str_info, li, 7)
 		" vimCommand - map
 		let lnum = s:search_and_check(kword . ' map', base_fname, str_info)
 		let lnum = s:append_syn_vimcmd(lnum, str_info, li, 4)
diff --git a/runtime/syntax/generator/vim.vim.base b/runtime/syntax/generator/vim.vim.base
index 8f0f05e..90e1ee5 100644
--- a/runtime/syntax/generator/vim.vim.base
+++ b/runtime/syntax/generator/vim.vim.base
@@ -1,12 +1,10 @@
 " Vim syntax file
-" Language:	Vim script
-" Maintainer:	Hirohito Higashi <h.east.727 ATMARK gmail.com>
-" 	Doug Kearns <dougkearns@gmail.com>
-" URL:	https://github.com/vim-jp/syntax-vim-ex
-" Last Change:	2024 Mar 22
+" Language:	   Vim script
+" Maintainer:	   Hirohito Higashi <h.east.727 ATMARK gmail.com>
+"	   Doug Kearns <dougkearns@gmail.com>
+" URL:	   https://github.com/vim-jp/syntax-vim-ex
+" Last Change:	   2024 Apr 13
 " Former Maintainer: Charles E. Campbell
-" Base File URL:     http://www.drchip.org/astronaut/vim/index.html#SYNTAX_VIM
-" Base File Version: 9.0-25
 
 " DO NOT CHANGE DIRECTLY.
 " THIS FILE PARTLY GENERATED BY gen_syntax_vim.vim.
@@ -21,6 +19,8 @@ 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
@@ -79,7 +79,7 @@ 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 =~# '[afhlmpPrt]'
+if exists("g:vimsyn_folding") && g:vimsyn_folding =~# '[afhHlmpPrt]'
  if g:vimsyn_folding =~# 'a'
   com! -nargs=* VimFolda <args> fold
  else
@@ -95,6 +95,11 @@ if exists("g:vimsyn_folding") && g:vimsyn_folding =~# '[afhlmpPrt]'
  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
@@ -129,6 +134,7 @@ 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>
@@ -158,12 +164,13 @@ endif
 " Numbers {{{2
 " =======
 syn case ignore
-syn match	vimNumber	'\<\d\+\%(\.\d\+\%(e[+-]\=\d\+\)\=\)\='	skipwhite nextgroup=vimGlobal,vimSubst1,vimCommand,vimComment,vim9Comment
-syn match	vimNumber	'\<0b[01]\+'			skipwhite nextgroup=vimGlobal,vimSubst1,vimCommand,vimComment,vim9Comment
-syn match	vimNumber	'\<0o\=\o\+'			skipwhite nextgroup=vimGlobal,vimSubst1,vimCommand,vimComment,vim9Comment
-syn match	vimNumber	'\<0x\x\+'			skipwhite nextgroup=vimGlobal,vimSubst1,vimCommand,vimComment,vim9Comment
-syn match	vimNumber	'\<0z\%(\x\x\)\+\%(\.\%(\x\x\)\+\)*'	skipwhite nextgroup=vimGlobal,vimSubst1,vimCommand,vimComment,vim9Comment
-syn match	vimNumber	'\%(^\|\A\)\zs#\x\{6}'		skipwhite nextgroup=vimGlobal,vimSubst1,vimCommand,vimComment,vim9Comment
+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
@@ -184,9 +191,9 @@ syn cluster vimExprList contains=vimEnvvar,vimFunc,vimFuncVar,vimNumber,vimOper,
 "   (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]$"		matchgroup=vimCommand end="^\.$""
- syn region vimInsert	matchgroup=vimCommand start="^[: \t]*\(\d\+\(,\d\+\)\=\)\=c\%[hange]$"		matchgroup=vimCommand end="^\.$""
- syn region vimInsert	matchgroup=vimCommand start="^[: \t]*\(\d\+\(,\d\+\)\=\)\=i\%[nsert]$"		matchgroup=vimCommand end="^\.$""
+ 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
@@ -209,7 +216,7 @@ 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,vim9Comment,vimString,vimSubst,vimRegister,vimCmplxRepeat,vimNotation,vimCtrlChar,vimFuncVar,vimContinue
+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
@@ -237,12 +244,14 @@ 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
+" 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	vimFuncBodyList	contains=@vimCmdList,vimCmplxRepeat,vimComment,vimContinue,vimCtrlChar,vimDef,vimEnvvar,vimFBVar,vimFunc,vimFunction,vimFuncVar,vimLetHereDoc,vimLineComment,vimNotation,vimNotFunc,vimNumber,vimOper,vimOperParen,vimRegion,vimRegister,vimSearch,vimSpecFile,vimString,vimSubst
-syn cluster	vimDefBodyList	contains=@vimCmdList,vimCmplxRepeat,vim9Comment,vimContinue,vimCtrlChar,vimDef,vimEnvvar,vimFBVar,vimFunc,vimFunction,vimLetHereDoc,vim9LineComment,vimNotation,vimNotFunc,vimNumber,vimOper,vimOperParen,vimRegion,vimRegister,vimSearch,vimSpecFile,vimString,vimSubst
+
+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
@@ -250,7 +259,7 @@ syn match	vimDef	"\<def\>"		skipwhite nextgroup=vimCmdSep,vimComment,vimFuncPatt
 
 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	vimDef	"\<def\>!\=\s*\%(<[sS][iI][dD]>\|[sg]:\)\=\%(\i\|[#.]\|{.\{-1,}}\)\+"		contains=@vimDefList,vimMethodName            nextgroup=vimDefParams
 
 syn match	vimFuncComment	contained	+".*+ skipwhite skipnl nextgroup=vimFuncBody,vimEndfunction
 syn match	vimDefComment	contained	"#.*" skipwhite skipnl nextgroup=vimDefBody,vimEnddef
@@ -260,6 +269,7 @@ syn match	vimFuncSID	contained	"\c<sid>"
 syn match	vimFuncSID	contained	"\<[sg]:"
 syn keyword	vimFuncKey	contained	fu[nction]
 syn keyword	vimDefKey	contained	def
+syn keyword	vimMethodName	contained	empty len string
 
 syn region	vimFuncParams	contained	matchgroup=Delimiter start="(" skip=+\n\s*\\\|\n\s*"\\ + end=")" skipwhite skipnl nextgroup=vimFuncBody,vimFuncComment,vimEndfunction,vimFuncMod contains=vimFuncParam,@vimContinue
 syn region	vimDefParams	contained	matchgroup=Delimiter start="("		   end=")" skipwhite skipnl nextgroup=vimDefBody,vimDefComment,vimEnddef,vimReturnType	 contains=vimDefParam,vim9Comment
@@ -276,9 +286,9 @@ syn match	vimEndfunction	"\<endf\%[unction]\>"
 syn match	vimEnddef	"\<enddef\>"
 
 if exists("g:vimsyn_folding") && g:vimsyn_folding =~# 'f'
- syn region	vimFuncFold	start="\<fu\%[nction]\>!\=\s*\%(<[sS][iI][dD]>\|[sg]:\)\=\%(\i\|[#.]\|{.\{-1,}}\)\+\s*("	end="\<endf\%[unction]\>" contains=vimFunction fold keepend transparent
- syn region	vimFuncFold	start="\<def\>!\=\s*\%(<[sS][iI][dD]>\|[sg]:\)\=\%(\i\|[#.]\|{.\{-1,}}\)\+("	end="\<enddef\>"	        contains=vimDef      fold keepend transparent
- syn region	vimFuncFold	start="\<def\s\+new\%(\i\|{.\{-1,}}\)\+("			end="\<enddef\>"	        contains=vimDef      fold keepend transparent
+ 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\+\)\>"
@@ -299,15 +309,21 @@ syn match	vimUserType	contained	"\<\u\w*\>"
 
 syn cluster vimType contains=vimType,vimCompoundType,vimUserType
 
-" Keymaps: (Vim Project Addition) {{{2
+" Keymaps: {{{2
 " =======
 
-" TODO: handle Vim9 script comments when something like #13104 is merged
-syn match  vimKeymapStart	"^"	contained skipwhite nextgroup=vimKeymapLhs,vimKeymapLineComment
+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
-syn match  vimKeymapLineComment	+".*+	contained contains=@vimCommentGroup,vimCommentString,vimCommentTitle
+
+" 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
 
@@ -323,9 +339,10 @@ syn match	vimSpecFileMod	"\(:[phtre]\)\+"	contained
 
 " User-Specified Commands: {{{2
 " =======================
-syn cluster	vimUserCmdList	contains=@vimCmdList,vimCmplxRepeat,vimComment,vim9Comment,vimCtrlChar,vimEscapeBrace,vimFunc,vimNotation,vimNumber,vimOper,vimRegister,vimSpecFile,vimString,vimSubst,vimSubstRep,vimSubstRange
+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	vimUserCmd	"\<com\%[mand]!\=\>.*$"	contains=vimUserAttrb,vimUserAttrbError,vimUserCommand,@vimUserCmdList,vimComFilter
+syn match	vimUserCmdName	contained	"\<\u\w*\>" nextgroup=vimUserCmdBlock skipwhite
+syn match	vimUserCmd	"\<com\%[mand]!\=\>.*$"	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
@@ -347,20 +364,41 @@ syn match	vimUserAttrbCmpltFunc contained	",\%([sS]:\|<[sS][iI][dD]>\)\=\%(\h\w*
 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
 " =======================
-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\+".*$+lc=4	contains=@vimCommentGroup,vimCommentString
-syn region	vimCommentString	contained oneline start='\S\s\+"'ms=e	end='"'
-" Vim9 comments - TODO: might be highlighted while they don't work
-syn match	vim9Comment	excludenl +\s#[^{].*$+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*#$+	contains=@vimCommentGroup,vimCommentString
+syn region	vimCommentString	contained oneline start='\S\s\+"'ms=e end='"'
+
+if s:vim9script
+  syn match	vimComment	excludenl +\s"[^\-:.%#=*].*$+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
 
 " Environment Variables: {{{2
 " =====================
@@ -450,7 +488,7 @@ 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,vim9Comment,vimSetString,vimSetMod
+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	"[,:]"
@@ -466,7 +504,7 @@ 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*$'
+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
@@ -476,14 +514,16 @@ 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'
+" GEN_SYN_VIM: vimCommand abclear, START_STR='syn keyword vimAbb', END_STR='skipwhite nextgroup=vimMapMod'
 
 " Autocmd: {{{2
 " =======
 syn match	vimAutoEventList	contained	"\(!\s\+\)\=\(\a\+,\)*\a\+"	contains=vimAutoEvent nextgroup=vimAutoCmdSpace
 syn match	vimAutoCmdSpace	contained	"\s\+"	nextgroup=vimAutoCmdSfxList
-syn match	vimAutoCmdSfxList	contained	"\S*"	skipwhite nextgroup=vimAutoCmdMod
+syn match	vimAutoCmdSfxList	contained	"\S*"	skipwhite nextgroup=vimAutoCmdMod,vimAutoCmdBlock
 syn keyword	vimAutoCmd	au[tocmd] do[autocmd] doautoa[ll]	skipwhite nextgroup=vimAutoEventList
-syn match	vimAutoCmdMod	"\(++\)\=\(once\|nested\)"
+syn match	vimAutoCmdMod	"\(++\)\=\(once\|nested\)"	skipwhite nextgroup=vimAutoCmdBlock
+syn region	vimAutoCmdBlock	contained	matchgroup=vimSep start="{" end="}" contains=@vimDefBodyList
 
 " Echo And Execute: -- prefer strings! {{{2
 " ================
@@ -579,7 +619,7 @@ syn case match
 " (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 match	vimUserFunc	contained        	"\%(\%([sSgGbBwWtTlL]:\|<[sS][iI][dD]>\)\=\%(\w\+\.\)*\I[a-zA-Z0-9_.]*\)\|\<\u[a-zA-Z0-9.]*\>\|\<if\>"	contains=vimNotation,vimMethodName
 syn keyword	vimFuncEcho	contained      	ec ech echo
 
 " User Command Highlighting: {{{2
@@ -589,7 +629,9 @@ syn match vimUsrCmd	'^\s*\zs\u\%(\w*\)\@>\%([(#[]\|\s\+\%([-+*/%]\=\|\.\.\)=\)\@
 " ====================
 if !exists("g:vimsyn_noerror") && !exists("g:vimsyn_novimfunctionerror")
  " TODO: The new-prefix exception should only apply to constructor definitions.
- syn match	vimFunctionError	"\s\zs\%(new\)\@![a-z0-9]\i\{-}\ze\s*("		contained contains=vimFuncKey,vimFuncBlank
+ " TODO: The |builtin-object-methods| exception should only apply to method
+ " definitions.
+ syn match	vimFunctionError	"\s\zs\%(empty\|len\|new\|string\)\@![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*)/
@@ -621,7 +663,7 @@ if has("conceal")
  syn match	vimSynCcharValue	contained	"\S"
 endif
 
-syn match	vimSyntax	"\<sy\%[ntax]\>"	contains=vimCommand skipwhite nextgroup=vimSynType,vimComment,vim9Comment
+syn match	vimSyntax	"\<sy\%[ntax]\>"	contains=vimCommand skipwhite nextgroup=vimSynType,@vimComment
 syn cluster vimFuncBodyList add=vimSyntax
 
 " Syntax: case {{{2
@@ -710,7 +752,7 @@ syn match	vimIsCommand	"<Bar>\s*\a\+"	transparent contains=vimCommand,vimNotatio
 
 " Highlighting: {{{2
 " ============
-syn cluster	vimHighlightCluster		contains=vimHiLink,vimHiClear,vimHiKeyList,vimComment,vim9Comment
+syn cluster	vimHighlightCluster		contains=vimHiLink,vimHiClear,vimHiKeyList,@vimComment
 if !exists("g:vimsyn_noerror") && !exists("g:vimsyn_novimhictermerror")
  syn match	vimHiCtermError	contained	"\D\i*"
 endif
@@ -766,16 +808,21 @@ syn match	vimCtrlChar	"[
--]"
 
 " Beginners - Patterns that involve ^ {{{2
 " =========
-syn match	vimLineComment	+^[ \t:]*".*$+	contains=@vimCommentGroup,vimCommentString,vimCommentTitle,vimComment
-syn match	vimLineComment	+^[ \t:]*"\("[^"]*"\|[^"]\)*$+	contains=@vimCommentGroup,vimCommentString,vimCommentTitle
-syn match	vim9LineComment	+^[ \t:]\+#.*$+	contains=@vimCommentGroup,vimCommentString,vimCommentTitle
+if s:vim9script
+  syn match	vimLineComment	+^[ \t:]*".*$+	contains=@vimCommentGroup,vimCommentString,vimCommentTitle contained
+  syn match	vim9LineComment	+^[ \t:]*#.*$+	contains=@vimCommentGroup,vimCommentString,vim9CommentTitle
+else
+  syn match	vimLineComment	+^[ \t:]*".*$+	contains=@vimCommentGroup,vimCommentString,vimCommentTitle
+  syn match	vim9LineComment	+^[ \t:]*#.*$+	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
-" Note: Look-behind to work around nextgroup skipnl consuming leading whitespace and preventing a match
+syn match	vim9CommentTitle	'#\s*\%([sS]:\|\h\w*#\)\=\u\w*\(\s\+\u\w*\)*:'hs=s+1	contained contains=vim9CommentTitleLeader,vimTodo,@vimCommentGroup
 syn match	vimContinue		"^\s*\zs\\"
 syn match         vimContinueComment	'^\s*\zs["#]\\ .*' contained
 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
 " ====================
@@ -784,6 +831,17 @@ 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
@@ -991,6 +1049,7 @@ if !exists("skip_vim_syntax_inits")
   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
@@ -1010,6 +1069,7 @@ if !exists("skip_vim_syntax_inits")
  hi def link vim9Comment	Comment
  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
@@ -1067,6 +1127,7 @@ if !exists("skip_vim_syntax_inits")
  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
@@ -1091,6 +1152,7 @@ if !exists("skip_vim_syntax_inits")
  hi def link vimMenuPriority	Number
  hi def link vimMenuStatus	Special
  hi def link vimMenutranslateComment	vimComment
+ hi def link vimMethodName	vimFuncName
  hi def link vimMtchComment	vimComment
  hi def link vimNorm	vimCommand
  hi def link vimNotation	Special
@@ -1117,6 +1179,7 @@ if !exists("skip_vim_syntax_inits")
  hi def link vimSetMod	vimOption
  hi def link vimSetSep	Statement
  hi def link vimSetString	vimString
+ hi def link vim9Vim9Script	vimCommand
  hi def link vimSpecFile	Identifier
  hi def link vimSpecFileMod	vimSpecFile
  hi def link vimSpecial	Type
@@ -1181,6 +1244,8 @@ let b:current_syntax = "vim"
 " Cleanup: {{{1
 delc VimFolda
 delc VimFoldf
+delc VimFoldh
+delc VimFoldH
 delc VimFoldl
 delc VimFoldm
 delc VimFoldp
@@ -1188,5 +1253,5 @@ delc VimFoldP
 delc VimFoldr
 delc VimFoldt
 let &cpo = s:keepcpo
-unlet s:keepcpo
+unlet s:keepcpo s:vim9script
 " vim:ts=18 fdm=marker ft=vim