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

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

151 files changed, 4396 insertions, 840 deletions

diff --git a/runtime/syntax/astro.vim b/runtime/syntax/astro.vim
new file mode 100644
index 0000000..0816051
--- /dev/null
+++ b/runtime/syntax/astro.vim
@@ -0,0 +1,190 @@
+" Vim syntax file.
+" Language:    Astro
+" Author:      Wuelner Martínez <wuelner.martinez@outlook.com>
+" Maintainer:  Wuelner Martínez <wuelner.martinez@outlook.com>
+" URL:         https://github.com/wuelnerdotexe/vim-astro
+" Last Change: 2022 Aug 22
+" Based On:    Evan Lecklider's vim-svelte
+" Changes:     See https://github.com/evanleck/vim-svelte
+" Credits:     See vim-svelte on github
+
+" Quit when a (custom) syntax file was already loaded.
+if !exists('main_syntax')
+  if exists('b:current_syntax')
+    finish
+  endif
+  let main_syntax = 'astro'
+elseif exists('b:current_syntax') && b:current_syntax == 'astro'
+  finish
+endif
+
+" Astro syntax variables are initialized.
+let g:astro_typescript = get(g:, 'astro_typescript', 'disable')
+let g:astro_stylus = get(g:, 'astro_stylus', 'disable')
+
+let s:cpoptions_save = &cpoptions
+set cpoptions&vim
+
+" Embedded HTML syntax.
+runtime! syntax/html.vim
+
+" htmlTagName: expand HTML tag names to include mixed case and periods.
+syntax match htmlTagName contained "\<[a-zA-Z\.]*\>"
+
+" astroDirectives: add Astro Directives to HTML arguments.
+syntax match astroDirectives contained '\<[a-z]\+:[a-z|]*\>' containedin=htmlTag
+
+unlet b:current_syntax
+
+if g:astro_typescript == 'enable'
+  " Embedded TypeScript syntax.
+  syntax include @astroJavaScript syntax/typescript.vim
+
+  " javaScriptExpression: a javascript expression is used as an arg value.
+  syntax clear javaScriptExpression
+  syntax region javaScriptExpression
+        \ contained start=+&{+
+        \ keepend end=+};+
+        \ contains=@astroJavaScript,@htmlPreproc
+
+  " javaScript: add TypeScript support to HTML script tag.
+  syntax clear javaScript
+  syntax region javaScript
+        \ start=+<script\_[^>]*>+
+        \ keepend
+        \ end=+</script\_[^>]*>+me=s-1
+        \ contains=htmlScriptTag,@astroJavaScript,@htmlPreproc,htmlCssStyleComment
+else
+  " Embedded JavaScript syntax.
+  syntax include @astroJavaScript syntax/javascript.vim
+endif
+
+" astroFence: detect the Astro fence.
+syntax match astroFence contained +^---$+
+
+" astrojavaScript: add TypeScript support to Astro code fence.
+syntax region astroJavaScript
+      \ start=+^---$+
+      \ keepend
+      \ end=+^---$+
+      \ contains=htmlTag,@astroJavaScript,@htmlPreproc,htmlCssStyleComment,htmlEndTag,astroFence
+      \ fold
+
+unlet b:current_syntax
+
+if g:astro_typescript == 'enable'
+  " Embedded TypeScript React (TSX) syntax.
+  syntax include @astroJavaScriptReact syntax/typescriptreact.vim
+else
+  " Embedded JavaScript React (JSX) syntax.
+  syntax include @astroJavaScriptReact syntax/javascriptreact.vim
+endif
+
+" astroJavaScriptExpression: add {JSX or TSX} support to Astro expresions.
+execute 'syntax region astroJavaScriptExpression start=+{+ keepend end=+}+ ' .
+      \ 'contains=@astroJavaScriptReact, @htmlPreproc containedin=' . join([
+      \   'htmlArg', 'htmlBold', 'htmlBoldItalic', 'htmlBoldItalicUnderline',
+      \   'htmlBoldUnderline', 'htmlBoldUnderlineItalic', 'htmlH1', 'htmlH2',
+      \   'htmlH3', 'htmlH4', 'htmlH5', 'htmlH6', 'htmlHead', 'htmlItalic',
+      \   'htmlItalicBold', 'htmlItalicBoldUnderline', 'htmlItalicUnderline',
+      \   'htmlItalicUnderlineBold', 'htmlLeadingSpace', 'htmlLink',
+      \   'htmlStrike', 'htmlString', 'htmlTag', 'htmlTitle', 'htmlUnderline',
+      \   'htmlUnderlineBold', 'htmlUnderlineBoldItalic',
+      \   'htmlUnderlineItalic', 'htmlUnderlineItalicBold', 'htmlValue'
+      \ ], ',')
+
+" cssStyle: add CSS style tags support in TypeScript React.
+syntax region cssStyle
+      \ start=+<style\_[^>]*>+
+      \ keepend
+      \ end=+</style\_[^>]*>+me=s-1
+      \ contains=htmlTag,@htmlCss,htmlCssStyleComment,@htmlPreproc,htmlEndTag
+      \ containedin=@astroJavaScriptReact
+
+unlet b:current_syntax
+
+" Embedded SCSS syntax.
+syntax include @astroScss syntax/scss.vim
+
+" cssStyle: add SCSS style tags support in Astro.
+syntax region scssStyle
+      \ start=/<style\>\_[^>]*\(lang\)=\("\|''\)[^\2]*scss[^\2]*\2\_[^>]*>/
+      \ keepend
+      \ end=+</style>+me=s-1
+      \ contains=@astroScss,astroSurroundingTag
+      \ fold
+
+unlet b:current_syntax
+
+" Embedded SASS syntax.
+syntax include @astroSass syntax/sass.vim
+
+" cssStyle: add SASS style tags support in Astro.
+syntax region sassStyle
+      \ start=/<style\>\_[^>]*\(lang\)=\("\|''\)[^\2]*sass[^\2]*\2\_[^>]*>/
+      \ keepend
+      \ end=+</style>+me=s-1
+      \ contains=@astroSass,astroSurroundingTag
+      \ fold
+
+unlet b:current_syntax
+
+" Embedded LESS syntax.
+syntax include @astroLess syntax/less.vim
+
+" cssStyle: add LESS style tags support in Astro.
+syntax region lessStyle
+      \ start=/<style\>\_[^>]*\(lang\)=\("\|''\)[^\2]*less[^\2]*\2\_[^>]*>/
+      \ keepend
+      \ end=+</style>+me=s-1
+      \ contains=@astroLess,astroSurroundingTag
+      \ fold
+
+unlet b:current_syntax
+
+" Embedded Stylus syntax.
+" NOTE: Vim does not provide stylus support by default, but you can install
+"       this plugin to support it: https://github.com/wavded/vim-stylus
+if g:astro_stylus == 'enable'
+  try
+    " Embedded Stylus syntax.
+    syntax include @astroStylus syntax/stylus.vim
+
+    " stylusStyle: add Stylus style tags support in Astro.
+    syntax region stylusStyle
+          \ start=/<style\>\_[^>]*\(lang\)=\("\|''\)[^\2]*stylus[^\2]*\2\_[^>]*>/
+          \ keepend
+          \ end=+</style>+me=s-1
+          \ contains=@astroStylus,astroSurroundingTag
+          \ fold
+
+    unlet b:current_syntax
+  catch
+    echomsg "you need install a external plugin for support stylus in .astro files"
+  endtry
+endif
+
+" astroSurroundingTag: add surround HTML tag to script and style.
+syntax region astroSurroundingTag
+      \ start=+<\(script\|style\)+
+      \ end=+>+
+      \ contains=htmlTagError,htmlTagN,htmlArg,htmlValue,htmlEvent,htmlString
+      \ contained
+      \ fold
+
+" Define the default highlighting.
+" Only used when an item doesn't have highlighting yet.
+highlight default link astroDirectives Special
+highlight default link astroFence Comment
+
+let b:current_syntax = 'astro'
+if main_syntax == 'astro'
+  unlet main_syntax
+endif
+
+" Sync from start because of the wacky nesting.
+syntax sync fromstart
+
+let &cpoptions = s:cpoptions_save
+unlet s:cpoptions_save
+" vim: ts=8
diff --git a/runtime/syntax/cgdbrc.vim b/runtime/syntax/cgdbrc.vim
new file mode 100644
index 0000000..1ace370
--- /dev/null
+++ b/runtime/syntax/cgdbrc.vim
@@ -0,0 +1,16 @@
+" Vim syntax file
+" Language:             cgdbrc
+" Maintainer:           Wu, Zhenyu <wuzhenyu@ustc.edu>
+" Documentation:        https://cgdb.github.io/docs/Configuring-CGDB.html
+" Latest Revision:      2024-04-09
+
+if exists('b:current_syntax')
+  finish
+endif
+let b:current_syntax = 'cgdbrc'
+
+runtime! syntax/vim.vim
+
+syn region cgdbComment		start="^\s*\#" skip="\\$" end="$" contains=@Spell
+
+highlight default link cgdbComment Comment
diff --git a/runtime/syntax/cmakecache.vim b/runtime/syntax/cmakecache.vim
new file mode 100644
index 0000000..f07c719
--- /dev/null
+++ b/runtime/syntax/cmakecache.vim
@@ -0,0 +1,60 @@
+" Vim syntax file
+" Language:     cmakecache - CMakeCache.txt files generated by CMake
+" Author:       bfrg <https://github.com/bfrg>
+" Upstream:      https://github.com/bfrg/vim-cmakecache-syntax
+" Last Change:  Nov 28, 2019
+" License:      Same as Vim itself (see :h license)
+
+if exists('b:current_syntax')
+    finish
+endif
+
+let s:cpo_save = &cpoptions
+set cpoptions&vim
+
+" Comments start with # or //
+syntax region CMakeCacheComment start="#\|//" end="$"
+
+" Match 'key' in key:type=value
+syntax match CMakeCacheKey "^\s*\w\+\(-ADVANCED\)\=:"me=e-1
+
+" Highlight 'str' in key:STRING=str (many thanks to Nickspoons in #vim!)
+syntax region CMakeCacheStringVar   matchgroup=CMakeCacheType start=":STRING="ms=s+1,rs=e-1 end="$" contains=CMakeCacheString keepend
+syntax region CMakeCacheString      start="="ms=s+1 end="$" contained
+
+" Highlight boolean 'value' in key:BOOL=value
+syntax region CMakeCacheBoolVar     matchgroup=CMakeCacheType start=":BOOL="ms=s+1,rs=e-1 end="$" contains=CMakeCacheBool keepend
+syntax region CMakeCacheBool        start="="ms=s+1 end="$" contained
+
+" Highlight 'path' in key:PATH=path
+syntax region CMakeCachePathVar     matchgroup=CMakeCacheType start=":PATH="ms=s+1,rs=e-1 end="$" contains=CMakeCachePath keepend
+syntax region CMakeCachePath        start="="ms=s+1 end="$" contained
+
+" Highlight 'file' in key:FILEPATH=file
+syntax region CMakeCacheFilePathVar matchgroup=CMakeCacheType start=":FILEPATH="ms=s+1,rs=e-1 end="$" contains=CMakeCacheFilePath keepend
+syntax region CMakeCacheFilePath    start="="ms=s+1 end="$" contained
+
+" Highlight 'value' in key:STATIC=value
+syntax region CMakeCacheStaticVar   matchgroup=CMakeCacheType start=":STATIC="ms=s+1,rs=e-1 end="$" contains=CMakeCacheStatic keepend
+syntax region CMakeCacheStatic      start="="ms=s+1 end="$" contained
+
+" Highlight 'value' in key:Internal=value
+syntax region CMakeCacheInternalVar matchgroup=CMakeCacheType start=":INTERNAL="ms=s+1,rs=e-1 end="$" contains=CMakeCacheInternal keepend
+syntax region CMakeCacheInternal    start="="ms=s+1 end="$" contained
+
+hi def link CMakeCacheComment   Comment
+hi def link CMakeCacheKey       Identifier
+hi def link CMakeCacheString    String
+hi def link CMakeCacheBool      Constant
+hi def link CMakeCachePath      Directory
+hi def link CMakeCacheFilePath  Normal
+hi def link CMakeCacheStatic    Normal
+hi def link CMakeCacheInternal  Normal
+
+" Highlight 'type' in key:type=value
+hi def link CMakeCacheType      Type
+
+let b:current_syntax = 'cmakecache'
+
+let &cpoptions = s:cpo_save
+unlet s:cpo_save
diff --git a/runtime/syntax/cuda.vim b/runtime/syntax/cuda.vim
index 13d70e3..8306d09 100644
--- a/runtime/syntax/cuda.vim
+++ b/runtime/syntax/cuda.vim
@@ -1,7 +1,8 @@
 " Vim syntax file
 " Language:	CUDA (NVIDIA Compute Unified Device Architecture)
 " Maintainer:	Timothy B. Terriberry <tterribe@users.sourceforge.net>
-" Last Change:	2018 Feb 06
+" Last Change:	2024 Apr 04
+" Contributor:  jiangyinzuo
 
 " quit when a syntax file was already loaded
 if exists("b:current_syntax")
@@ -11,12 +12,13 @@ endif
 " Read the C++ syntax to start with
 runtime! syntax/cpp.vim
 
-" CUDA extentions
-syn keyword cudaStorageClass	__device__ __global__ __host__
-syn keyword cudaStorageClass	__constant__ __shared__
-syn keyword cudaStorageClass	__inline__ __align__ __thread__
+" CUDA extentions.
+" Reference: https://docs.nvidia.com/cuda/cuda-c-programming-guide/index.html#c-language-extensions
+syn keyword cudaStorageClass	__device__ __global__ __host__ __managed__
+syn keyword cudaStorageClass	__constant__ __grid_constant__ __shared__
+syn keyword cudaStorageClass	__inline__ __noinline__ __forceinline__ __inline_hint__
+syn keyword cudaStorageClass	__align__ __thread__ __restrict__
 "syn keyword cudaStorageClass	__import__ __export__ __location__
-syn keyword cudaStructure	template
 syn keyword cudaType		char1 char2 char3 char4
 syn keyword cudaType		uchar1 uchar2 uchar3 uchar4
 syn keyword cudaType		short1 short2 short3 short4
@@ -25,37 +27,23 @@ syn keyword cudaType		int1 int2 int3 int4
 syn keyword cudaType		uint1 uint2 uint3 uint4
 syn keyword cudaType		long1 long2 long3 long4
 syn keyword cudaType		ulong1 ulong2 ulong3 ulong4
+syn keyword cudaType		longlong1 longlong2 longlong3 longlong4
+syn keyword cudaType		ulonglong1 ulonglong2 ulonglong3 ulonglong4
 syn keyword cudaType		float1 float2 float3 float4
-syn keyword cudaType		ufloat1 ufloat2 ufloat3 ufloat4
+syn keyword cudaType		double1 double2 double3 double4
 syn keyword cudaType		dim3 texture textureReference
 syn keyword cudaType		cudaError_t cudaDeviceProp cudaMemcpyKind
 syn keyword cudaType		cudaArray cudaChannelFormatKind
 syn keyword cudaType		cudaChannelFormatDesc cudaTextureAddressMode
 syn keyword cudaType		cudaTextureFilterMode cudaTextureReadMode
-syn keyword cudaVariable	gridDim blockIdx blockDim threadIdx
+syn keyword cudaVariable	gridDim blockIdx blockDim threadIdx warpSize
+syn keyword cudaConstant	__CUDA_ARCH__
 syn keyword cudaConstant	__DEVICE_EMULATION__
+" There are too many CUDA enumeration constants. We only define a subset of commonly used constants.
+" Reference: https://docs.nvidia.com/cuda/cuda-runtime-api/group__CUDART__TYPES.html
 syn keyword cudaConstant	cudaSuccess
-" Many more errors are defined, but only these are listed in the maunal
-syn keyword cudaConstant	cudaErrorMemoryAllocation
-syn keyword cudaConstant	cudaErrorInvalidDevicePointer
-syn keyword cudaConstant	cudaErrorInvalidSymbol
-syn keyword cudaConstant	cudaErrorMixedDeviceExecution
-syn keyword cudaConstant	cudaMemcpyHostToHost
-syn keyword cudaConstant	cudaMemcpyHostToDevice
-syn keyword cudaConstant	cudaMemcpyDeviceToHost
-syn keyword cudaConstant	cudaMemcpyDeviceToDevice
-syn keyword cudaConstant	cudaReadModeElementType
-syn keyword cudaConstant	cudaReadModeNormalizedFloat
-syn keyword cudaConstant	cudaFilterModePoint
-syn keyword cudaConstant	cudaFilterModeLinear
-syn keyword cudaConstant	cudaAddressModeClamp
-syn keyword cudaConstant	cudaAddressModeWrap
-syn keyword cudaConstant	cudaChannelFormatKindSigned
-syn keyword cudaConstant	cudaChannelFormatKindUnsigned
-syn keyword cudaConstant	cudaChannelFormatKindFloat
 
 hi def link cudaStorageClass	StorageClass
-hi def link cudaStructure	Structure
 hi def link cudaType		Type
 hi def link cudaVariable	Identifier
 hi def link cudaConstant	Constant
diff --git a/runtime/syntax/debcontrol.vim b/runtime/syntax/debcontrol.vim
index b173a7b..ea82d85 100644
--- a/runtime/syntax/debcontrol.vim
+++ b/runtime/syntax/debcontrol.vim
@@ -3,7 +3,7 @@
 " Maintainer:  Debian Vim Maintainers
 " Former Maintainers: Gerfried Fuchs <alfie@ist.org>
 "                     Wichert Akkerman <wakkerma@debian.org>
-" Last Change: 2023 Dec 22
+" Last Change: 2024 Mar 26
 " URL: https://salsa.debian.org/vim-team/vim-debian/blob/main/syntax/debcontrol.vim
 
 " Standard syntax initialization
@@ -93,7 +93,7 @@ syn case ignore
 
 " Catch-all for the legal fields
 syn region debcontrolField matchgroup=debcontrolKey start="^\%(\%(XSBC-Original-\)\=Maintainer\|Standards-Version\|Bugs\|Origin\|X[SB]-Python-Version\|\%(XS-\)\=Vcs-Mtn\|\%(XS-\)\=Testsuite\%(-Triggers\)\=\|Build-Profiles\|Tag\|Subarchitecture\|Kernel-Version\|Installer-Menu-Item\): " end="$" contains=debcontrolVariable,debcontrolEmail oneline
-syn region debcontrolMultiField matchgroup=debcontrolKey start="^\%(Build-\%(Conflicts\|Depends\)\%(-Arch\|-Indep\)\=\|\%(Pre-\)\=Depends\|Recommends\|Suggests\|Breaks\|Enhances\|Replaces\|Conflicts\|Provides\|Built-Using\|Uploaders\|X[SBC]\{0,3\}\%(Private-\)\=-[-a-zA-Z0-9]\+\): *" skip="^[ \t]" end="^$"me=s-1 end="^[^ \t#]"me=s-1 contains=debcontrolEmail,debcontrolVariable,debcontrolComment
+syn region debcontrolMultiField matchgroup=debcontrolKey start="^\%(Build-\%(Conflicts\|Depends\)\%(-Arch\|-Indep\)\=\|\%(Pre-\)\=Depends\|Recommends\|Suggests\|Breaks\|Enhances\|Replaces\|Conflicts\|Provides\|Built-Using\|Static-Built-Using\|Uploaders\|X[SBC]\{0,3\}\%(Private-\)\=-[-a-zA-Z0-9]\+\): *" skip="^[ \t]" end="^$"me=s-1 end="^[^ \t#]"me=s-1 contains=debcontrolEmail,debcontrolVariable,debcontrolComment
 syn region debcontrolMultiFieldSpell matchgroup=debcontrolKey start="^Description: *" skip="^[ \t]" end="^$"me=s-1 end="^[^ \t#]"me=s-1 contains=debcontrolEmail,debcontrolVariable,debcontrolComment,@Spell
 
 " Fields for which we do strict syntax checking
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
diff --git a/runtime/syntax/go.vim b/runtime/syntax/go.vim
index 8685867..feed964 100644
--- a/runtime/syntax/go.vim
+++ b/runtime/syntax/go.vim
@@ -5,7 +5,7 @@
 " go.vim: Vim syntax file for Go.
 " Language:             Go
 " Maintainer:           Billie Cleek <bhcleek@gmail.com>
-" Latest Revision:      2024-03-17
+" Latest Revision:      2024-04-13
 "  2024-03-17:          - fix goPackageComment highlight (by Vim Project)
 " License:              BSD-style. See LICENSE file in source repository.
 " Repository:           https://github.com/fatih/vim-go
@@ -191,7 +191,7 @@ else
   syn region      goRawString         start=+`+ end=+`+
 endif
 
-syn match       goImportString      /^\%(\s\+\|import \)\(\h\w* \)\?\zs"[^"]\+"$/ contained containedin=goImport
+syn match       goImportString      /^\%(\s\+\|import \)\(\h\w* \)\?\zs"[^"]\+"/ contained containedin=goImport
 
 if s:HighlightFormatStrings()
   " [n] notation is valid for specifying explicit argument indexes
diff --git a/runtime/syntax/haskell.vim b/runtime/syntax/haskell.vim
index b48b278..509aa25 100644
--- a/runtime/syntax/haskell.vim
+++ b/runtime/syntax/haskell.vim
@@ -1,7 +1,7 @@
 " Vim syntax file
 " Language:		Haskell
 " Maintainer:		Haskell Cafe mailinglist <haskell-cafe@haskell.org>
-" Last Change:		2020 Oct 4 by Marcin Szamotulski <profunctor@pm.me>
+" Last Change:		2024 Mar 28 by Enrico Maria De Angelis <enricomaria.dean6elis@gmail.com>
 " Original Author:	John Williams <jrw@pobox.com>
 "
 " Thanks to Ryan Crumley for suggestions and John Meacham for
@@ -104,8 +104,8 @@ endif
 
 
 " Comments
-syn match   hsLineComment      "---*\([^-!#$%&\*\+./<=>\?@\\^|~].*\)\?$" contains=@Spell
-syn region  hsBlockComment     start="{-"  end="-}" contains=hsBlockComment,@Spell
+syn match   hsLineComment      "---*\([^-!#$%&\*\+./<=>\?@\\^|~].*\)\?$" contains=hsTodo,@Spell
+syn region  hsBlockComment     start="{-"  end="-}" contains=hsBlockComment,hsTodo,@Spell
 syn region  hsPragma	       start="{-#" end="#-}"
 
 syn keyword hsTodo	        contained FIXME TODO XXX NOTE
@@ -164,6 +164,7 @@ hi def link hsLiterateComment		  hsComment
 hi def link hsBlockComment		  hsComment
 hi def link hsLineComment			  hsComment
 hi def link hsComment			  Comment
+hi def link hsTodo			  Todo
 hi def link hsPragma			  SpecialComment
 hi def link hsBoolean			  Boolean
 hi def link hsType			  Type
diff --git a/runtime/syntax/i3config.vim b/runtime/syntax/i3config.vim
index 8131639..7441f90 100644
--- a/runtime/syntax/i3config.vim
+++ b/runtime/syntax/i3config.vim
@@ -2,8 +2,8 @@
 " Language: i3 config file
 " Original Author: Josef Litos (JosefLitos/i3config.vim)
 " Maintainer: Quentin Hibon (github user hiqua)
-" Version: 1.0.2
-" Last Change: 2023-12-28
+" Version: 1.2.1
+" Last Change: 2024-04-14
 
 " References:
 " http://i3wm.org/docs/userguide.html#configuring
@@ -27,225 +27,246 @@ syn keyword i3ConfigTodo TODO FIXME XXX contained
 syn match i3ConfigSeparator /[,;\\]/ contained
 syn match i3ConfigParen /[{}]/ contained
 syn keyword i3ConfigBoolean yes no enabled disabled on off true false contained
-syn region i3ConfigString start=/\W\@<="/ skip=/\\\("\|$\)/ end=/"\|$/ contained contains=i3ConfigShCommand,i3ConfigShDelim,i3ConfigShOper,i3ConfigShParam,i3ConfigNumber,i3ConfigVariable,i3ConfigExecAction keepend extend
-syn region i3ConfigString start=/\W\@<='/ skip=/\\$/ end=/'\|$/ contained contains=i3ConfigShCommand,i3ConfigShDelim,i3ConfigShOper,i3ConfigShParam,i3ConfigNumber,i3ConfigVariable,i3ConfigExecAction keepend extend
+" String in simpler (matchable end) and more robust (includes `extend` keyword) forms
+syn cluster i3ConfigStrIn contains=i3ConfigShCommand,i3ConfigShDelim,i3ConfigShOper,i3ConfigShParam,@i3ConfigNumVar,i3ConfigExecAction
+syn match i3ConfigString /\(["']\)[^\\"')\]}]*\1/ contained contains=@i3ConfigStrIn
+syn region i3ConfigString start=/"[^\\"')\]}]*[\\')\]}]/ skip=/\\\@<=\("\|$\)/ end=/"\|$/ contained contains=@i3ConfigStrIn keepend extend
+syn region i3ConfigString start=/'[^\\"')\]}]*[\\")\]}]/ skip=/\\\@<=$/ end=/'\|$/ contained contains=@i3ConfigStrIn keepend extend
 syn match i3ConfigColor /#[0-9A-Fa-f]\{3,8}/ contained
 syn match i3ConfigNumber /[0-9A-Za-z_$-]\@<!-\?\d\+\w\@!/ contained
+" Grouping of common usages
+syn cluster i3ConfigStrVar contains=i3ConfigString,i3ConfigVariable
+syn cluster i3ConfigNumVar contains=i3ConfigNumber,i3ConfigVariable
+syn cluster i3ConfigColVar contains=i3ConfigColor,i3ConfigVariable
+syn cluster i3ConfigIdent contains=i3ConfigString,i3ConfigNumber,i3ConfigVariable
+syn cluster i3ConfigValue contains=@i3ConfigIdent,i3ConfigBoolean
 
 " 4.1 Include directive
-syn keyword i3ConfigIncludeKeyword include contained
-syn match i3ConfigIncludeCommand /`[^`]*`/ contained contains=i3ConfigShDelim,i3ConfigShParam,i3ConfigShOper,i3ConfigShCommand,i3ConfigString
-syn match i3ConfigParamLine /^include .*$/ contains=i3ConfigIncludeKeyword,i3ConfigString,i3ConfigVariable,i3ConfigIncludeCommand,i3ConfigShOper
+syn match i3ConfigIncludeCommand /`[^`]*`/ contained contains=@i3ConfigSh
+syn region i3ConfigParamLine matchgroup=i3ConfigKeyword start=/include / end=/$/ contained contains=@i3ConfigStrVar,i3ConfigIncludeCommand,i3ConfigShOper keepend
 
 " 4.2 Comments
-syn match i3ConfigComment /^\s*#.*$/ contains=i3ConfigTodo
+syn match i3ConfigComment /^\s*#.*$/ contained contains=i3ConfigTodo
 
 " 4.3 Fonts
-syn keyword i3ConfigFontKeyword font contained
+syn match i3ConfigFontSize / \d\+\(px\)\?$/ contained
 syn match i3ConfigColonOperator /:/ contained
-syn match i3ConfigFontNamespace /\w\+:/ contained contains=i3ConfigColonOperator
-syn match i3ConfigFontSize / \d\+\(px\)\?\s\?$/ contained
-syn region i3ConfigFont start=/^\s*font / skip=/\\$/ end=/$/ contains=i3ConfigFontKeyword,i3ConfigFontNamespace,i3ConfigFontSize,i3ConfigSeparator keepend
+syn match i3ConfigFontNamespace /pango:/ contained contains=i3ConfigColonOperator
+syn region i3ConfigParamLine matchgroup=i3ConfigKeyword start=/font / skip=/\\$/ end=/$/ contained contains=i3ConfigFontNamespace,i3ConfigFontSize,i3ConfigSeparator keepend containedin=i3ConfigBarBlock
 
 " 4.4-4.5 Keyboard/Mouse bindings
-syn keyword i3ConfigBindKeyword bindsym bindcode contained
-syn match i3ConfigBindArgument /--\(release\|border\|whole-window\|exclude-titlebar\)/ contained
+syn match i3ConfigBindArgument /--\(release\|border\|whole-window\|exclude-titlebar\) / contained nextgroup=i3ConfigBindArgument,i3ConfigBindCombo
 syn match i3ConfigBindModifier /+/ contained
 syn keyword i3ConfigBindModkey Ctrl Shift Mod1 Mod2 Mod3 Mod4 Mod5 contained
-syn match i3ConfigBindCombo /[$0-9A-Za-z_+]\+ / contained contains=i3ConfigBindModifier,i3ConfigVariable,i3ConfigBindModkey
-syn match i3ConfigBindComboLine /bind\(sym\|code\)\( --[a-z-]\+\)* [$0-9A-Za-z_+]\+ / contained contains=i3ConfigBindKeyword,i3ConfigBindArgument,i3ConfigBindCombo
-syn region i3ConfigBind start=/^\s*bind\(sym\|code\) / skip=/\\$/ end=/$/ contains=i3ConfigBindComboLine,i3ConfigCriteria,i3ConfigAction,i3ConfigSeparator,i3ConfigActionKeyword,i3ConfigOption,i3ConfigString,i3ConfigNumber,i3ConfigVariable,i3ConfigBoolean keepend
+syn match i3ConfigBindCombo /[$0-9A-Za-z_+]\+/ contained contains=i3ConfigBindModifier,i3ConfigVariable,i3ConfigBindModkey nextgroup=i3ConfigBind
+syn cluster i3ConfigBinder contains=i3ConfigCriteria,@i3ConfigCommand,i3ConfigSeparator
+syn region i3ConfigBind start=/\zs/ skip=/\\$/ end=/$/ contained contains=@i3ConfigBinder keepend
+syn keyword i3ConfigBindKeyword bindsym bindcode contained skipwhite nextgroup=i3ConfigBindArgument,i3ConfigBindCombo
 
 " 4.6 Binding modes
-syn region i3ConfigKeyword start=/^mode\( --pango_markup\)\? \([^'" {]\+\|'[^']\+'\|".\+"\)\s\+{$/ end=/^\s*}$/ contains=i3ConfigShParam,i3ConfigString,i3ConfigBind,i3ConfigComment,i3ConfigNumber,i3ConfigParen,i3ConfigVariable fold keepend extend
+syn region i3ConfigModeBlock matchgroup=i3ConfigKeyword start=/^mode\ze\( --pango_markup\)\? \([^'" {]\+\|'[^']\+'\|".\+"\)\s\+{$/ end=/^}\zs$/ contained contains=i3ConfigShParam,@i3ConfigStrVar,i3ConfigBindKeyword,i3ConfigComment,i3ConfigParen fold keepend extend
 
 " 4.7 Floating modifier
-syn match i3ConfigKeyword /^floating_modifier [$0-9A-Za-z]*$/ contains=i3ConfigVariable,i3ConfigBindModkey
+syn keyword i3ConfigKeyword floating_modifier contained skipwhite nextgroup=i3ConfigVariable,i3ConfigBindModkey
 
 " 4.8 Floating window size
 syn keyword i3ConfigSizeSpecial x contained
-syn match i3ConfigSize / -\?\d\+ x -\?\d\+/ contained contains=i3ConfigSizeSpecial,i3ConfigNumber
-syn match i3ConfigKeyword /^floating_\(maximum\|minimum\)_size .*$/ contains=i3ConfigSize
+syn match i3ConfigSize /-\?\d\+ x -\?\d\+/ contained contains=i3ConfigSizeSpecial,i3ConfigNumber
+syn keyword i3ConfigKeyword floating_maximum_size floating_minimum_size contained skipwhite nextgroup=i3ConfigSize
 
 " 4.9 Orientation
 syn keyword i3ConfigOrientationOpts vertical horizontal auto contained
-syn match i3ConfigKeyword /^default_orientation \w*$/ contains=i3ConfigOrientationOpts
+syn keyword i3ConfigKeyword default_orientation contained skipwhite nextgroup=i3ConfigOrientationOpts
 
 " 4.10 Layout mode
 syn keyword i3ConfigWorkspaceLayoutOpts default stacking tabbed contained
-syn match i3ConfigKeyword /^workspace_layout \w*$/ contains=i3ConfigWorkspaceLayoutOpts
+syn keyword i3ConfigKeyword workspace_layout contained skipwhite nextgroup=i3ConfigWorkspaceLayoutOpts
 
 " 4.11 Title alignment
 syn keyword i3ConfigTitleAlignOpts left center right contained
-syn match i3ConfigKeyword /^title_align .*$/ contains=i3ConfigTitleAlignOpts
+syn keyword i3ConfigKeyword title_align contained skipwhite nextgroup=i3ConfigTitleAlignOpts
 
-" 4.12 Border style
-syn keyword i3ConfigBorderOpts none normal pixel contained
-syn match i3ConfigKeyword /^default\(_floating\)\?_border .*$/ contains=i3ConfigBorderOpts,i3ConfigNumber,i3ConfigVariable
+" 4.12 Border size
+syn keyword i3ConfigBorderOpts none normal pixel contained skipwhite nextgroup=@i3ConfigNumVar
+syn keyword i3ConfigKeyword default_floating_border default_border contained skipwhite nextgroup=i3ConfigBorderOpts
 
 " 4.13 Hide edge borders
 syn keyword i3ConfigEdgeOpts none vertical horizontal both smart smart_no_gaps contained
-syn match i3ConfigKeyword /^hide_edge_borders \w*$/ contains=i3ConfigEdgeOpts
+syn keyword i3ConfigKeyword hide_edge_borders contained skipwhite nextgroup=i3ConfigEdgeOpts
 
 " 4.14 Smart Borders
 syn keyword i3ConfigSmartBorderOpts no_gaps contained
-syn match i3ConfigKeyword /^smart_borders \(on\|off\|no_gaps\)$/ contains=i3ConfigSmartBorderOpts,i3ConfigBoolean
+syn keyword i3ConfigKeyword smart_borders contained skipwhite nextgroup=i3ConfigSmartBorderOpts,i3ConfigBoolean
 
 " 4.15 Arbitrary commands
-syn region i3ConfigKeyword start=/^for_window / end=/$/ contains=i3ConfigForWindowKeyword,i3ConfigCriteria keepend
+syn keyword i3ConfigKeyword for_window contained skipwhite nextgroup=i3ConfigCriteria
 
 " 4.16 No opening focus
-syn match i3ConfigKeyword /^no_focus .*$/ contains=i3ConfigCondition
+syn keyword i3ConfigKeyword no_focus contained skipwhite nextgroup=i3ConfigCondition
 
 " 4.17 Variables
 syn match i3ConfigVariable /\$[0-9A-Za-z_:|[\]-]\+/
-syn keyword i3ConfigSetKeyword set contained
-syn match i3ConfigSet /^set \$.*$/ contains=i3ConfigSetKeyword,i3ConfigVariable,i3ConfigColor,i3ConfigString,i3ConfigNumber,i3ConfigShCommand,i3ConfigShDelim,i3ConfigShParam,i3ConfigShOper,i3ConfigBindModkey
+syn region i3ConfigSet start=/\$/ skip=/\\$/ end=/$/ contained contains=@i3ConfigSh,@i3ConfigValue,i3ConfigColor,i3ConfigBindModkey keepend
+syn keyword i3ConfigKeyword set contained skipwhite nextgroup=i3ConfigSet
 
 " 4.18 X resources
-syn keyword i3ConfigResourceKeyword set_from_resource contained
-syn match i3ConfigParamLine /^set_from_resource\s\+.*$/ contains=i3ConfigResourceKeyword,i3ConfigCondition,i3ConfigColor,i3ConfigVariable,i3ConfigString,i3ConfigNumber
+syn region i3ConfigParamLine matchgroup=i3ConfigKeyword start=/set_from_resource\ze \$/ end=/$/ contained contains=@i3ConfigColVar,i3ConfigDotOperator
 
 " 4.19 Assign clients to workspaces
-syn keyword i3ConfigAssignKeyword assign contained
 syn match i3ConfigAssignSpecial /→\|number/ contained
-syn match i3ConfigAssign /^assign .*$/ contains=i3ConfigAssignKeyword,i3ConfigAssignSpecial,i3ConfigCondition,i3ConfigVariable,i3ConfigString,i3ConfigNumber
+syn region i3ConfigKeyword start=/assign / end=/$/ contained contains=i3ConfigAssignSpecial,i3ConfigCondition,@i3ConfigIdent keepend
 
 " 4.20 Executing shell commands
-syn keyword i3ConfigExecKeyword exec contained
-syn keyword i3ConfigExecAlwaysKeyword exec_always contained
-syn match i3ConfigShCmdDelim /\$(/ contained
-syn region i3ConfigShCommand start=/\$(/ end=/)/ contained contains=i3ConfigShCmdDelim,i3ConfigExecAction,i3ConfigShCommand,i3ConfigShDelim,i3ConfigShOper,i3ConfigShParam,i3ConfigString,i3ConfigNumber,i3ConfigVariable keepend extend
+syn region i3ConfigShCommand matchgroup=i3ConfigShDelim start=/\$(/ end=/)/ contained contains=i3ConfigExecAction,i3ConfigShCommand,i3ConfigShDelim,i3ConfigShOper,i3ConfigShParam,i3ConfigString,i3ConfigNumber,i3ConfigVariable extend
 syn match  i3ConfigShDelim /[[\]{}();`]\+/ contained
 syn match  i3ConfigShOper /[<>&|+=~^*!.?]\+/ contained
-syn match i3ConfigShParam /\<-[0-9A-Za-z_-]\+\>/ contained containedin=i3ConfigVar
-syn region i3ConfigExec start=/^\s*exec\(_always\)\?\( --no-startup-id\)\? [^{]/ skip=/\\$/ end=/$/ contains=i3ConfigExecKeyword,i3ConfigExecAlwaysKeyword,i3ConfigShCommand,i3ConfigShDelim,i3ConfigShOper,i3ConfigShParam,i3ConfigNumber,i3ConfigString,i3ConfigVariable,i3ConfigExecAction keepend
+syn match i3ConfigShParam /\<-[A-Za-z-][0-9A-Za-z_-]*\>/ contained
+syn cluster i3ConfigSh contains=@i3ConfigIdent,i3ConfigShOper,i3ConfigShDelim,i3ConfigShParam,i3ConfigShCommand
+syn region i3ConfigExec start=/ [^{]/ skip=/\\$/ end=/$/ contained contains=i3ConfigExecAction,@i3ConfigSh keepend
+syn match i3ConfigKeyword /^\(exec_always\|exec\)/ contained nextgroup=i3ConfigExec
 
 " 4.21 Workspaces per output
-syn keyword i3ConfigWorkspaceKeyword workspace contained
-syn keyword i3ConfigWorkspaceOutput output contained
-syn keyword i3ConfigWorkspaceDir prev next back_and_forth number contained
-syn region i3ConfigWorkspaceLine start=/^workspace / skip=/\\$/ end=/$/ contains=i3ConfigWorkspaceKeyword,i3ConfigNumber,i3ConfigString,i3ConfigGaps,i3ConfigWorkspaceOutput,i3ConfigVariable,i3ConfigBoolean,i3ConfigSeparator keepend
+syn match i3ConfigOutputIdent /[^'",; ]\+/ contained contains=@i3ConfigIdent,i3ConfigColonOperator skipwhite nextgroup=i3ConfigOutputIdent
+syn region i3ConfigOutputIdent start=/['"]/ end=/\ze/ contained contains=@i3ConfigIdent skipwhite nextgroup=i3ConfigOutputIdent
+syn keyword i3ConfigOutput output contained skipwhite nextgroup=i3ConfigOutputIdent
+syn match i3ConfigWorkspaceIdent /[^'",; ]\+/ contained contains=@i3ConfigIdent skipwhite nextgroup=i3ConfigGaps,i3ConfigOutput
+syn region i3ConfigWorkspaceIdent start=/['"]/ end=/\ze/ contained contains=@i3ConfigIdent skipwhite nextgroup=i3ConfigGaps,i3ConfigOutput
+syn keyword i3ConfigKeyword workspace contained skipwhite nextgroup=i3ConfigWorkspaceIdent
 
 " 4.22 Changing colors
-syn match i3ConfigDotOperator /\./ contained
-syn keyword i3ConfigClientOpts focused focused_inactive unfocused urgent placeholder background contained
-syn match i3ConfigKeyword /^client\..*$/ contains=i3ConfigDotOperator,i3ConfigClientOpts,i3ConfigColor,i3ConfigVariable
+syn keyword i3ConfigClientOpts focused focused_inactive focused_tab_title unfocused urgent placeholder background contained skipwhite nextgroup=i3ConfigColorSeq
+syn match i3ConfigDotOperator /\./ contained nextgroup=i3ConfigClientOpts
+syn keyword i3ConfigKeyword client contained nextgroup=i3ConfigDotOperator
 
 " 4.23 Interprocess communication
-syn match i3ConfigIpcKeyword /ipc-socket/ contained
-syn match i3ConfigParamLine /^ipc-socket .*$/ contains=i3ConfigIpcKeyword
+syn region i3ConfigParamLine matchgroup=i3ConfigKeyword start=/ipc-socket / end=/$/ contained contains=i3ConfigNumber,i3ConfigShOper
 
 " 4.24 Focus follows mouse
-syn match i3ConfigKeyword /^focus_follows_mouse \(yes\|no\)$/ contains=i3ConfigBoolean
+syn keyword i3ConfigFocusFollowsMouseOpts always contained
+syn keyword i3ConfigKeyword focus_follows_mouse contained skipwhite nextgroup=i3ConfigBoolean,i3ConfigFocusFollowsMouseOpts
 
 " 4.25 Mouse warping
 syn keyword i3ConfigMouseWarpingOpts output container none contained
-syn match i3ConfigKeyword /^mouse_warping \w*$/ contains=i3ConfigMouseWarpingOpts
+syn keyword i3ConfigKeyword mouse_warping contained skipwhite nextgroup=i3ConfigMouseWarpingOpts
 
 " 4.26 Popups while fullscreen
 syn keyword i3ConfigPopupFullscreenOpts smart ignore leave_fullscreen contained
-syn match i3ConfigKeyword /^popup_during_fullscreen \w*$/ contains=i3ConfigPopupFullscreenOpts
+syn keyword i3ConfigKeyword popup_during_fullscreen contained skipwhite nextgroup=i3ConfigPopupFullscreenOpts
 
 " 4.27 Focus wrapping
 syn keyword i3ConfigFocusWrappingOpts force workspace contained
-syn match i3ConfigKeyword /^focus_wrapping \(yes\|no\|force\|workspace\)$/ contains=i3ConfigBoolean,i3ConfigFocusWrappingOpts
+syn keyword i3ConfigKeyword focus_wrapping contained skipwhite nextgroup=i3ConfigBoolean,i3ConfigFocusWrappingOpts
 
 " 4.28 Forcing Xinerama
-syn match i3ConfigKeyword /^force_xinerama \(yes\|no\)$/ contains=i3ConfigBoolean
-
 " 4.29 Automatic workspace back-and-forth
-syn match i3ConfigKeyword /^workspace_auto_back_and_forth \(yes\|no\)$/ contains=i3ConfigBoolean
+" 4.32 Show marks in title
+syn keyword i3ConfigKeyword force_xinerama workspace_auto_back_and_forth show_marks contained skipwhite nextgroup=i3ConfigBoolean
 
 " 4.30 Delay urgency hint
-syn keyword i3ConfigTimeUnit ms contained
-syn match i3ConfigKeyword /^force_display_urgency_hint \d\+\( ms\)\?$/ contains=i3ConfigNumber,i3ConfigTimeUnit
+syn match i3ConfigTimeUnit / \d\+\( ms\)\?$/ contained contains=i3ConfigNumber
+syn keyword i3ConfigKeyword force_display_urgency_hint contained nextgroup=i3ConfigTimeUnit
 
 " 4.31 Focus on window activation
 syn keyword i3ConfigFocusOnActivationOpts smart urgent focus none contained
-syn match i3ConfigKeyword /^focus_on_window_activation \w*$/  contains=i3ConfigFocusOnActivationOpts
-
-" 4.32 Show marks in title
-syn match i3ConfigShowMarks /^show_marks \(yes\|no\)$/ contains=i3ConfigBoolean
+syn keyword i3ConfigKeyword focus_on_window_activation contained skipwhite nextgroup=i3ConfigFocusOnActivationOpts
 
 " 4.34 Tiling drag
-syn keyword i3ConfigTilingDragOpts modifier titlebar contained
-syn match i3ConfigKeyword /^tiling_drag\( off\|\( modifier\| titlebar\)\{1,2\}\)$/ contains=i3ConfigTilingDragOpts,i3ConfigBoolean
+syn keyword i3ConfigTilingDragOpts modifier titlebar contained skipwhite nextgroup=i3ConfigTilingDragOpts
+syn keyword i3ConfigKeyword tiling_drag contained skipwhite nextgroup=i3ConfigTilingDragOpts,i3ConfigBoolean
+
+" 4.35 Gaps (+6.24)
+syn keyword i3ConfigGapsWhich inner outer horizontal vertical left right top bottom contained skipwhite nextgroup=i3ConfigGapsWhere,@i3ConfigNumVar
+syn keyword i3ConfigGapsWhere current all contained skipwhite nextgroup=i3ConfigGapsOper
+syn keyword i3ConfigGapsOper set plus minus toggle contained skipwhite nextgroup=@i3ConfigNumVar
+syn match i3ConfigGaps /gaps/ contained contains=i3ConfigCommand skipwhite nextgroup=i3ConfigGapsWhich
+syn keyword i3ConfigCommand gaps contained skipwhite nextgroup=i3ConfigGapsWhich
 
-" 4.35 Gaps
-syn keyword i3ConfigGapsOpts inner outer horizontal vertical left right top bottom current all set plus minus toggle contained
-syn region i3ConfigGaps start=/gaps/ skip=/\\$/ end=/[,;]\|$/ contained contains=i3ConfigGapsOpts,i3ConfigNumber,i3ConfigVariable,i3ConfigSeparator keepend
-syn match i3ConfigGapsLine /^gaps .*$/ contains=i3ConfigGaps
-syn keyword i3ConfigSmartGapOpts inverse_outer contained
-syn match i3ConfigKeyword /^smart_gaps \(on\|off\|inverse_outer\)$/ contains=i3ConfigSmartGapOpts,i3ConfigBoolean
+syn keyword i3ConfigSmartGapOpts inverse_outer toggle contained
+syn keyword i3ConfigKeyword smart_gaps contained skipwhite nextgroup=i3ConfigSmartGapOpts,i3ConfigBoolean
 
 " 5 Configuring bar
-syn match i3ConfigBarModifier /^\s\+modifier \S\+$/ contained contains=i3ConfigBindModifier,i3ConfigVariable,i3ConfigBindModkey,i3ConfigBarOptVals
-syn keyword i3ConfigBarOpts bar i3bar_command status_command workspace_command mode hidden_state id position output tray_output tray_padding separator_symbol workspace_buttons workspace_min_width strip_workspace_numbers strip_workspace_name binding_mode_indicator padding contained
+syn keyword i3ConfigBarOpts modifier contained skipwhite nextgroup=i3ConfigBindCombo,i3ConfigBarOptVals
+syn keyword i3ConfigBarOpts i3bar_command status_command workspace_command contained skipwhite nextgroup=@i3ConfigSh
+syn keyword i3ConfigBarOpts mode hidden_state id position output tray_output tray_padding separator_symbol workspace_buttons workspace_min_width strip_workspace_numbers strip_workspace_name binding_mode_indicator padding contained skipwhite nextgroup=i3ConfigBarOptVals,@i3ConfigValue,i3ConfigShOper
 syn keyword i3ConfigBarOptVals dock hide invisible show none top bottom primary nonprimary contained
-syn region i3ConfigBarBlock start=/^bar {$/ end=/^}$/ contains=i3ConfigBarOpts,i3ConfigBarOptVals,i3ConfigBarModifier,i3ConfigBind,i3ConfigString,i3ConfigComment,i3ConfigFont,i3ConfigBoolean,i3ConfigNumber,i3ConfigParen,i3ConfigColor,i3ConfigVariable,i3ConfigColorsBlock,i3ConfigShOper,i3ConfigShCommand fold keepend extend
+syn region i3ConfigBarBlock matchgroup=i3ConfigKeyword start=/^bar\ze {$/ end=/^}\zs$/ contained contains=i3ConfigBarOpts,i3ConfigComment,i3ConfigParen,i3ConfigBindKeyword,i3ConfigColorsBlock fold keepend extend
 
 " 5.16 Color block
-syn keyword i3ConfigColorsKeyword colors contained
-syn match i3ConfigColorsOpts /\(focused_\)\?\(background\|statusline\|separator\)\|\(focused\|active\|inactive\|urgent\)_workspace\|binding_mode/ contained
-syn region i3ConfigColorsBlock start=/^\s\+colors {$/ end=/^\s\+}$/ contained contains=i3ConfigColorsKeyword,i3ConfigColorsOpts,i3ConfigColor,i3ConfigVariable,i3ConfigComment,i3ConfigParen fold keepend extend
+syn match i3ConfigColorSeq /#[0-9A-Fa-f]\{3,8}\|\$[0-9A-Za-z_:|[\]-]\+/ contained contains=@i3ConfigColVar skipwhite nextgroup=i3ConfigColorSeq
+syn keyword i3ConfigColorsOpts background statusline separator contained skipwhite nextgroup=@i3ConfigColVar
+syn match i3ConfigColorsOpts /focused_\(background\|statusline\|separator\)\|\(focused\|active\|inactive\|urgent\)_workspace\|binding_mode/ contained skipwhite nextgroup=i3ConfigColorSeq
+syn region i3ConfigColorsBlock matchgroup=i3ConfigKeyword start=/^\s\+colors \ze{$/ end=/^\s\+}\zs$/ contained contains=i3ConfigColorsOpts,i3ConfigComment,i3ConfigParen fold keepend extend
 
 " 6.0 Command criteria
 syn keyword i3ConfigConditionProp class instance window_role window_type machine id title urgent workspace con_mark con_id floating_from tiling_from contained
 syn keyword i3ConfigConditionSpecial __focused__ all floating tiling contained
-syn region i3ConfigCondition start=/\[/ end=/\]/ contained contains=i3ConfigShDelim,i3ConfigConditionProp,i3ConfigShOper,i3ConfigConditionSpecial,i3ConfigNumber,i3ConfigString keepend extend
-syn region i3ConfigCriteria start=/\[/ skip=/\\$/ end=/\(;\|$\)/ contained contains=i3ConfigCondition,i3ConfigAction,i3ConfigActionKeyword,i3ConfigOption,i3ConfigBoolean,i3ConfigNumber,i3ConfigVariable,i3ConfigSeparator keepend transparent
+syn region i3ConfigCondition matchgroup=i3ConfigShDelim start=/\[/ end=/\]/ contained contains=i3ConfigConditionProp,i3ConfigShOper,i3ConfigConditionSpecial,@i3ConfigIdent keepend extend
+syn region i3ConfigCriteria start=/\[/ skip=/\\$/ end=/\(;\|$\)/ contained contains=i3ConfigCondition,@i3ConfigCommand,i3ConfigSeparator keepend transparent
 
 " 6.1 Actions through shell
 syn match i3ConfigExecActionKeyword /i3-msg/ contained
-syn region i3ConfigExecAction start=/[a-z3-]\+msg "/ skip=/ "\|\\$/ end=/"\|$/ contained contains=i3ConfigExecActionKeyword,i3ConfigShCommand,i3ConfigNumber,i3ConfigShOper,i3ConfigCriteria,i3ConfigAction,i3ConfigActionKeyword,i3ConfigOption,i3ConfigVariable keepend extend
-syn region i3ConfigExecAction start=/[a-z3-]\+msg '/ skip=/ '\|\\$/ end=/'\|$/ contained contains=i3ConfigExecActionKeyword,i3ConfigShCommand,i3ConfigNumber,i3ConfigShOper,i3ConfigCriteria,i3ConfigAction,i3ConfigActionKeyword,i3ConfigOption,i3ConfigVariable keepend extend
-syn region i3ConfigExecAction start=/[a-z3-]\+msg ['"-]\@!/ skip=/\\$/ end=/[&|;})'"]\@=\|$/ contained contains=i3ConfigExecActionKeyword,i3ConfigShCommand,i3ConfigNumber,i3ConfigShOper,i3ConfigCriteria,i3ConfigAction,i3ConfigActionKeyword,i3ConfigOption,i3ConfigVariable keepend extend
+syn cluster i3ConfigExecActionVal contains=i3ConfigExecActionKeyword,i3ConfigCriteria,i3ConfigAction,i3ConfigActionKeyword,i3ConfigOption,@i3ConfigNumVar
+syn region i3ConfigExecAction start=/[a-z3-]\+msg "/ skip=/ "\|\\$/ end=/"\|$/ contained contains=i3ConfigExecActionKeyword,@i3ConfigExecActionVal keepend extend
+syn region i3ConfigExecAction start=/[a-z3-]\+msg '/ skip=/ '\|\\$/ end=/'\|$/ contained contains=i3ConfigExecActionKeyword,@i3ConfigExecActionVal keepend extend
+syn region i3ConfigExecAction start=/[a-z3-]\+msg ['"-]\@!/ skip=/\\$/ end=/[&|;})'"]\@=\|$/ contained contains=i3ConfigExecActionKeyword,@i3ConfigExecActionVal keepend extend
 " 6.1 Executing applications (4.20)
-syn region i3ConfigAction start=/exec/ skip=/\\$/ end=/[,;]\|$/ contained contains=i3ConfigExecKeyword,i3ConfigExecAction,i3ConfigShCommand,i3ConfigShDelim,i3ConfigShOper,i3ConfigShParam,i3ConfigNumber,i3ConfigString,i3ConfigVariable,i3ConfigSeparator keepend
+syn region i3ConfigAction matchgroup=i3ConfigCommand start=/exec / skip=/\\$/ end=/\ze[,;]\|$/ contained contains=i3ConfigExecAction,@i3ConfigSh keepend
 
 " 6.3 Manipulating layout
-syn keyword i3ConfigLayoutKeyword layout contained
 syn keyword i3ConfigLayoutOpts default tabbed stacking splitv splith toggle split all contained
-syn region i3ConfigAction start=/layout/ skip=/\\$/ end=/[,;]\|$/ contained contains=i3ConfigLayoutKeyword,i3ConfigLayoutOpts,i3ConfigSeparator keepend transparent
+syn region i3ConfigAction matchgroup=i3ConfigCommand start=/layout / skip=/\\$/ end=/\ze[,;]\|$/ contained contains=i3ConfigLayoutOpts keepend transparent
 
 " 6.4 Focusing containers
-syn keyword i3ConfigFocusKeyword focus contained
-syn keyword i3ConfigFocusOpts left right up down workspace parent child next prev sibling floating tiling mode_toggle contained
-syn keyword i3ConfigFocusOutputOpts left right down up current primary nonprimary next prev contained
-syn region i3ConfigFocusOutput start=/ output / skip=/\\$/ end=/[,;]\|$/ contained contains=i3ConfigWorkspaceOutput,i3ConfigFocusOutputOpts,i3ConfigString,i3ConfigNumber,i3ConfigSeparator keepend
-syn match i3ConfigFocusOutputLine /^focus output .*$/ contains=i3ConfigFocusKeyword,i3ConfigFocusOutput
-syn region i3ConfigAction start=/focus/ skip=/\\$/ end=/[,;]\|$/ contained contains=i3ConfigFocusKeyword,i3ConfigFocusOpts,i3ConfigFocusOutput,i3ConfigString,i3ConfigSeparator keepend transparent
+syn keyword i3ConfigFocusOpts left right up down parent child next prev sibling floating tiling mode_toggle contained
+syn keyword i3ConfigOutputDir left right down up current primary nonprimary next prev contained skipwhite
+syn keyword i3ConfigFocusOutput output contained skipwhite nextgroup=i3ConfigOutputIdent,i3ConfigOutputDir
+syn keyword i3ConfigActionKeyword focus contained skipwhite nextgroup=i3ConfigFocusOpts,i3ConfigFocusOutput
+syn match i3ConfigKeyword /^focus / contained nextgroup=i3ConfigFocusOutput
 
 " 6.8 Focusing workspaces (4.21)
-syn region i3ConfigAction start=/workspace / skip=/\\$/ end=/[,;]\|$/ contained contains=i3ConfigWorkspaceKeyword,i3ConfigWorkspaceDir,i3ConfigNumber,i3ConfigString,i3ConfigGaps,i3ConfigWorkspaceOutput,i3ConfigVariable,i3ConfigBoolean,i3ConfigSeparator keepend transparent
+syn keyword i3ConfigWorkspaceDir prev next back_and_forth contained
+syn keyword i3ConfigWorkspaceDir number contained skipwhite nextgroup=i3ConfigWorkspaceIdent
+syn keyword i3ConfigActionKeyword workspace contained skipwhite nextgroup=i3ConfigWorkspaceDir,i3ConfigWorkspaceIdent
 
 " 6.8.2 Renaming workspaces
-syn keyword i3ConfigRenameKeyword rename contained
-syn region i3ConfigAction start=/rename workspace/ end=/[,;]\|$/ contained contains=i3ConfigRenameKeyword,i3ConfigMoveDir,i3ConfigMoveType,i3ConfigNumber,i3ConfigVariable,i3ConfigString keepend transparent
+syn region i3ConfigWorkspaceFromTo start=/workspace\( .*\)\? to/ end=/\ze[,;]\|$/ contained contains=i3ConfigMoveType,@i3ConfigWorkspaceIdent keepend transparent
+syn keyword i3ConfigActionKeyword rename contained skipwhite nextgroup=i3ConfigWorkspaceFromTo
 
 " 6.5,6.9-6.11 Moving containers
-syn keyword i3ConfigMoveKeyword move contained
-syn keyword i3ConfigMoveDir left right down up position absolute center to current contained
-syn keyword i3ConfigMoveType window container workspace output mark mouse scratchpad contained
-syn match i3ConfigUnit / px\| ppt/ contained
-syn region i3ConfigAction start=/move/ skip=/\\$/ end=/[,;]\|$/ contained contains=i3ConfigMoveKeyword,i3ConfigMoveDir,i3ConfigMoveType,i3ConfigWorkspaceDir,i3ConfigUnit,i3ConfigNumber,i3ConfigVariable,i3ConfigString,i3ConfigSeparator,i3ConfigShParam keepend transparent
+syn match i3ConfigUnit /-\?\d\+\( px\| ppt\)\?/ contained contains=i3ConfigNumber skipwhite nextgroup=i3ConfigUnit,i3ConfigResizeExtra
+syn keyword i3ConfigMoveDir left right down up position contained skipwhite nextgroup=i3ConfigUnit
+syn match i3ConfigMoveDir /position \(mouse\|center\)/ contained
+syn keyword i3ConfigMoveDir absolute contained skipwhite nextgroup=i3ConfigMoveDir
+syn keyword i3ConfigMoveDir absolute contained
+
+syn keyword i3ConfigMoveType mark contained skipwhite nextgroup=i3ConfigOutputIdent
+syn keyword i3ConfigMoveType scratchpad contained
+syn keyword i3ConfigMoveType output contained skipwhite nextgroup=i3ConfigOutputIdent,i3ConfigOutputDir
+syn keyword i3ConfigMoveType workspace contained skipwhite nextgroup=i3ConfigMoveType,i3ConfigWorkspaceIdent,i3ConfigWorkspaceDir
+syn keyword i3ConfigMoveType window container contained skipwhite nextgroup=i3ConfigMoveType
+syn keyword i3ConfigMoveTo to contained
+syn match i3ConfigMoveType /to/ contained contains=i3ConfigMoveTo skipwhite nextgroup=i3ConfigMoveType
+syn match i3ConfigActionKeyword /move\( --no-auto-back-and-forth\)\?/ contained contains=i3ConfigShParam skipwhite nextgroup=i3ConfigMoveType,i3ConfigMoveDir
 
 " 6.12 Resizing containers/windows
-syn keyword i3ConfigResizeKeyword resize contained
-syn keyword i3ConfigResizeOpts grow shrink up down left right set width height or contained
-syn region i3ConfigAction start=/resize/ skip=/\\$/ end=/[,;]\|$/ contained contains=i3ConfigResizeKeyword,i3ConfigResizeOpts,i3ConfigNumber,i3ConfigUnit,i3ConfigSeparator keepend transparent
+syn keyword i3ConfigResizeExtra or height contained skipwhite nextgroup=i3ConfigUnit
+syn keyword i3ConfigResizeDir up down left right width height contained skipwhite nextgroup=i3ConfigUnit
+syn keyword i3ConfigResizeType grow shrink contained skipwhite nextgroup=i3ConfigResizeDir
+syn keyword i3ConfigResizeType set contained skipwhite nextgroup=i3ConfigResizeDir,i3ConfigUnit
+syn keyword i3ConfigActionKeyword resize contained skipwhite nextgroup=i3ConfigResizeType
 
 " 6.14 VIM-like marks
-syn match i3ConfigMark /mark\( --\(add\|replace\)\( --toggle\)\?\)\?/ contained contains=i3ConfigShParam
-syn region i3ConfigAction start=/\<mark/ skip=/\\$/ end=/[,;]\|$/ contained contains=i3ConfigMark,i3ConfigNumber,i3ConfigString,i3ConfigSeparator keepend transparent
+syn match i3ConfigMarkOpt /--\(add\|replace\)\( --toggle\)\?/ contained contains=i3ConfigShParam skipwhite nextgroup=i3ConfigOutputIdent
+syn keyword i3ConfigActionKeyword mark contained skipwhite nextgroup=i3ConfigMarkOpt,i3ConfigOutputIdent
 
-" 6.24 Changing gaps (4.35)
-syn region i3ConfigAction start=/gaps/ skip=/\\$/ end=/[,;]\|$/ contained contains=i3ConfigGaps keepend transparent
+" Commands usable for direct config calls - for enforcing start of line for Commands
+syn match i3ConfigTopLevelDirective /^/ skipwhite nextgroup=i3ConfigComment,i3ConfigKeyword,i3ConfigCommand,i3ConfigBindKeyword,i3ConfigParamLine,i3ConfigModeBlock,i3ConfigBarBlock,i3ConfigError
 
 " Commands useable in keybinds
-syn keyword i3ConfigActionKeyword mode append_layout kill open fullscreen sticky split floating swap unmark show_marks title_window_icon title_format border restart reload exit scratchpad nop bar contained
-syn keyword i3ConfigOption default enable disable toggle key restore current horizontal vertical auto none normal pixel show container with id con_id padding hidden_state hide dock invisible contained
+syn keyword i3ConfigActionKeyword mode append_layout kill open fullscreen sticky split floating swap unmark title_window_icon title_format border restart reload exit scratchpad nop bar contained skipwhite nextgroup=i3ConfigOption,@i3ConfigValue
+syn keyword i3ConfigOption default enable disable toggle key restore current horizontal vertical auto none normal pixel show container with id con_id padding hidden_state hide dock invisible contained skipwhite nextgroup=i3ConfigOption,@i3ConfigValue
+" Commands usable at runtime (outside loading config)
+syn cluster i3ConfigCommand contains=i3ConfigCommand,i3ConfigAction,i3ConfigActionKeyword,@i3ConfigValue,i3ConfigColor
 
 " Define the highlighting.
 hi def link i3ConfigError                           Error
@@ -260,18 +281,15 @@ hi def link i3ConfigBoolean                         Boolean
 hi def link i3ConfigString                          String
 hi def link i3ConfigColor                           Constant
 hi def link i3ConfigNumber                          Number
-hi def link i3ConfigIncludeKeyword                  i3ConfigKeyword
 hi def link i3ConfigComment                         Comment
-hi def link i3ConfigFontKeyword                     i3ConfigKeyword
 hi def link i3ConfigColonOperator                   i3ConfigOperator
 hi def link i3ConfigFontNamespace                   i3ConfigOption
 hi def link i3ConfigFontSize                        i3ConfigNumber
-hi def link i3ConfigFont                            i3ConfigString
-hi def link i3ConfigBindKeyword                     i3ConfigKeyword
 hi def link i3ConfigBindArgument                    i3ConfigShParam
 hi def link i3ConfigBindModifier                    i3ConfigOperator
 hi def link i3ConfigBindModkey                      Special
 hi def link i3ConfigBindCombo                       SpecialChar
+hi def link i3ConfigBindKeyword                     i3ConfigKeyword
 hi def link i3ConfigSizeSpecial                     i3ConfigOperator
 hi def link i3ConfigOrientationOpts                 i3ConfigOption
 hi def link i3ConfigWorkspaceLayoutOpts             i3ConfigOption
@@ -280,54 +298,47 @@ hi def link i3ConfigBorderOpts                      i3ConfigOption
 hi def link i3ConfigEdgeOpts                        i3ConfigOption
 hi def link i3ConfigSmartBorderOpts                 i3ConfigOption
 hi def link i3ConfigVariable                        Variable
-hi def link i3ConfigSetKeyword                      i3ConfigKeyword
-hi def link i3ConfigResourceKeyword                 i3ConfigKeyword
-hi def link i3ConfigAssignKeyword                   i3ConfigKeyword
 hi def link i3ConfigAssignSpecial                   i3ConfigOption
-hi def link i3ConfigExecKeyword                     i3ConfigCommand
-hi def link i3ConfigExecAlwaysKeyword               i3ConfigKeyword
 hi def link i3ConfigShParam                         PreProc
 hi def link i3ConfigShDelim                         Delimiter
 hi def link i3ConfigShOper                          Operator
-hi def link i3ConfigShCmdDelim                      i3ConfigShDelim
 hi def link i3ConfigShCommand                       Normal
-hi def link i3ConfigWorkspaceKeyword                i3ConfigCommand
-hi def link i3ConfigWorkspaceOutput                 i3ConfigMoveType
-hi def link i3ConfigWorkspaceDir                    i3ConfigOption
+hi def link i3ConfigOutputIdent                     i3ConfigParamLine
+hi def link i3ConfigOutput                          i3ConfigMoveType
+hi def link i3ConfigWorkspaceIdent                  i3ConfigParamLine
 hi def link i3ConfigDotOperator                     i3ConfigOperator
 hi def link i3ConfigClientOpts                      i3ConfigOption
-hi def link i3ConfigIpcKeyword                      i3ConfigKeyword
+hi def link i3ConfigFocusFollowsMouseOpts           i3ConfigOption
 hi def link i3ConfigMouseWarpingOpts                i3ConfigOption
 hi def link i3ConfigPopupFullscreenOpts             i3ConfigOption
 hi def link i3ConfigFocusWrappingOpts               i3ConfigOption
 hi def link i3ConfigTimeUnit                        i3ConfigNumber
 hi def link i3ConfigFocusOnActivationOpts           i3ConfigOption
-hi def link i3ConfigShowMarks                       i3ConfigCommand
 hi def link i3ConfigTilingDragOpts                  i3ConfigOption
-hi def link i3ConfigGapsOpts                        i3ConfigOption
-hi def link i3ConfigGaps                            i3ConfigCommand
+hi def link i3ConfigGapsWhich                       i3ConfigOption
+hi def link i3ConfigGapsWhere                       i3ConfigOption
+hi def link i3ConfigGapsOper                        i3ConfigOption
 hi def link i3ConfigSmartGapOpts                    i3ConfigOption
 hi def link i3ConfigBarModifier                     i3ConfigKeyword
 hi def link i3ConfigBarOpts                         i3ConfigKeyword
 hi def link i3ConfigBarOptVals                      i3ConfigOption
-hi def link i3ConfigColorsKeyword                   i3ConfigKeyword
 hi def link i3ConfigColorsOpts                      i3ConfigOption
 hi def link i3ConfigConditionProp                   i3ConfigShParam
 hi def link i3ConfigConditionSpecial                Constant
 hi def link i3ConfigExecActionKeyword               i3ConfigShCommand
 hi def link i3ConfigExecAction                      i3ConfigString
-hi def link i3ConfigLayoutKeyword                   i3ConfigCommand
 hi def link i3ConfigLayoutOpts                      i3ConfigOption
-hi def link i3ConfigFocusKeyword                    i3ConfigCommand
 hi def link i3ConfigFocusOpts                       i3ConfigOption
-hi def link i3ConfigFocusOutputOpts                 i3ConfigOption
-hi def link i3ConfigRenameKeyword                   i3ConfigCommand
-hi def link i3ConfigMoveKeyword                     i3ConfigCommand
+hi def link i3ConfigOutputDir                       i3ConfigOption
+hi def link i3ConfigFocusOutput                     i3ConfigOutput
+hi def link i3ConfigWorkspaceDir                    i3ConfigOption
 hi def link i3ConfigMoveDir                         i3ConfigOption
 hi def link i3ConfigMoveType                        Constant
+hi def link i3ConfigMoveTo                          i3ConfigOption
 hi def link i3ConfigUnit                            i3ConfigNumber
-hi def link i3ConfigResizeKeyword                   i3ConfigCommand
-hi def link i3ConfigResizeOpts                      i3ConfigOption
+hi def link i3ConfigResizeExtra                     i3ConfigOption
+hi def link i3ConfigResizeDir                       i3ConfigOption
+hi def link i3ConfigResizeType                      i3ConfigOption
 hi def link i3ConfigMark                            i3ConfigCommand
 hi def link i3ConfigActionKeyword                   i3ConfigCommand
 hi def link i3ConfigOption                          Type
diff --git a/runtime/syntax/java.vim b/runtime/syntax/java.vim
index fe0cabf..8ffe9e0 100644
--- a/runtime/syntax/java.vim
+++ b/runtime/syntax/java.vim
@@ -1,8 +1,9 @@
 " Vim syntax file
-" Language:	Java
-" Maintainer:	Claudio Fleiner <claudio@fleiner.com>
-" URL:          https://github.com/fleiner/vim/blob/master/runtime/syntax/java.vim
-" Last Change:	2024 Mar 22
+" Language:		Java
+" Maintainer:		Aliaksei Budavei <0x000c70 AT gmail DOT com>
+" Former Maintainer:	Claudio Fleiner <claudio@fleiner.com>
+" Repository:		https://github.com/zzzyxwvut/java-vim.git
+" Last Change:		2024 Apr 22
 
 " Please check :help java.vim for comments on some of the options available.
 
@@ -19,6 +20,9 @@ endif
 let s:cpo_save = &cpo
 set cpo&vim
 
+" Admit the ASCII dollar sign to keyword characters (JLS-17, §3.8):
+execute printf('syntax iskeyword %s,$', &l:iskeyword)
+
 " some characters that cannot be in a java program (outside a string)
 syn match javaError "[\\@`]"
 syn match javaError "<<<\|\.\.\|=>\|||=\|&&=\|\*\/"
@@ -27,16 +31,17 @@ syn match javaError "<<<\|\.\.\|=>\|||=\|&&=\|\*\/"
 syn match   javaError2 "#\|=<"
 hi def link javaError2 javaError
 
-" keyword definitions
+" Keywords (JLS-17, §3.9):
 syn keyword javaExternal	native package
-syn match javaExternal		"\<import\>\(\s\+static\>\)\?"
+syn match   javaExternal	"\<import\>\%(\s\+static\>\)\="
 syn keyword javaError		goto const
 syn keyword javaConditional	if else switch
 syn keyword javaRepeat		while for do
 syn keyword javaBoolean		true false
 syn keyword javaConstant	null
 syn keyword javaTypedef		this super
-syn keyword javaOperator	var new instanceof
+syn keyword javaOperator	new instanceof
+syn match   javaOperator	"\<var\>\%(\s*(\)\@!"
 " Since the yield statement, which could take a parenthesised operand,
 " and _qualified_ yield methods get along within the switch block
 " (JLS-17, §3.8), it seems futile to make a region definition for this
@@ -48,34 +53,44 @@ syn match   javaOperator	"\%(\%(::\|\.\)[[:space:]\n]*\)\@80<!\<yield\>"
 syn keyword javaType		boolean char byte short int long float double
 syn keyword javaType		void
 syn keyword javaStatement	return
-syn keyword javaStorageClass	static synchronized transient volatile final strictfp serializable
+syn keyword javaStorageClass	static synchronized transient volatile strictfp serializable
 syn keyword javaExceptions	throw try catch finally
 syn keyword javaAssert		assert
-syn keyword javaMethodDecl	synchronized throws
-syn keyword javaClassDecl	extends implements interface
-" to differentiate the keyword class from MyClass.class we use a match here
+syn keyword javaMethodDecl	throws
+" Differentiate a "MyClass.class" literal from the keyword "class".
 syn match   javaTypedef		"\.\s*\<class\>"ms=s+1
-syn keyword javaClassDecl	enum
+syn keyword javaClassDecl	enum extends implements interface
+syn match   javaClassDecl	"\<permits\>\%(\s*(\)\@!"
+syn match   javaClassDecl	"\<record\>\%(\s*(\)\@!"
 syn match   javaClassDecl	"^class\>"
 syn match   javaClassDecl	"[^.]\s*\<class\>"ms=s+1
-syn match   javaAnnotation	"@\([_$a-zA-Z][_$a-zA-Z0-9]*\.\)*[_$a-zA-Z][_$a-zA-Z0-9]*\>" contains=javaString
+syn match   javaAnnotation	"@\%(\K\k*\.\)*\K\k*\>"
 syn match   javaClassDecl	"@interface\>"
 syn keyword javaBranch		break continue nextgroup=javaUserLabelRef skipwhite
 syn match   javaUserLabelRef	"\k\+" contained
 syn match   javaVarArg		"\.\.\."
-syn keyword javaScopeDecl	public protected private abstract
+syn keyword javaScopeDecl	public protected private
+syn keyword javaConceptKind	abstract final
+syn match   javaConceptKind	"\<non-sealed\>"
+syn match   javaConceptKind	"\<sealed\>\%(\s*(\)\@!"
 syn match   javaConceptKind	"\<default\>\%(\s*\%(:\|->\)\)\@!"
 
-function s:isModuleInfoDeclarationCurrentBuffer() abort
-    return fnamemodify(bufname("%"), ":t") =~ '^module-info\%(\.class\>\)\@!'
-endfunction
-
-" Java Modules(Since Java 9, for "module-info.java" file)
-if s:isModuleInfoDeclarationCurrentBuffer()
-    syn keyword javaModuleStorageClass	module transitive
-    syn keyword javaModuleStmt		open requires exports opens uses provides
-    syn keyword javaModuleExternal	to with
-    syn cluster javaTop add=javaModuleStorageClass,javaModuleStmt,javaModuleExternal
+" Note that a "module-info" file will be recognised with an arbitrary
+" file extension (or no extension at all) so that more than one such
+" declaration for the same Java module can be maintained for modular
+" testing in a project without attendant confusion for IDEs, with the
+" ".java\=" extension used for a production version and an arbitrary
+" extension used for a testing version.
+let s:module_info_cur_buf = fnamemodify(bufname("%"), ":t") =~ '^module-info\%(\.class\>\)\@!'
+let s:selectable_regexp_engine = !(v:version < 704)
+lockvar s:selectable_regexp_engine s:module_info_cur_buf
+
+" Java modules (since Java 9, for "module-info.java" file).
+if s:module_info_cur_buf
+  syn keyword javaModuleStorageClass	module transitive
+  syn keyword javaModuleStmt		open requires exports opens uses provides
+  syn keyword javaModuleExternal	to with
+  syn cluster javaTop add=javaModuleStorageClass,javaModuleStmt,javaModuleExternal
 endif
 
 if exists("java_highlight_java_lang_ids")
@@ -91,7 +106,7 @@ if exists("java_highlight_all")  || exists("java_highlight_java")  || exists("ja
   " keywords can be pre-sorted and appended without disturbing
   " the current keyword placement. The below _match_es follow suit.
 
-  syn keyword javaR_JavaLang ArithmeticException ArrayIndexOutOfBoundsException ArrayStoreException ClassCastException IllegalArgumentException IllegalMonitorStateException IllegalThreadStateException IndexOutOfBoundsException NegativeArraySizeException NullPointerException NumberFormatException RuntimeException SecurityException StringIndexOutOfBoundsException IllegalStateException UnsupportedOperationException EnumConstantNotPresentException TypeNotPresentException IllegalCallerException LayerInstantiationException
+  syn keyword javaR_JavaLang ArithmeticException ArrayIndexOutOfBoundsException ArrayStoreException ClassCastException IllegalArgumentException IllegalMonitorStateException IllegalThreadStateException IndexOutOfBoundsException NegativeArraySizeException NullPointerException NumberFormatException RuntimeException SecurityException StringIndexOutOfBoundsException IllegalStateException UnsupportedOperationException EnumConstantNotPresentException TypeNotPresentException IllegalCallerException LayerInstantiationException WrongThreadException MatchException
   syn cluster javaTop add=javaR_JavaLang
   syn cluster javaClasses add=javaR_JavaLang
   hi def link javaR_JavaLang javaR_Java
@@ -111,6 +126,8 @@ if exists("java_highlight_all")  || exists("java_highlight_java")  || exists("ja
   syn match   javaC_JavaLang "\%(\<Enum\.\)\@<=\<EnumDesc\>"
   syn keyword javaC_JavaLang Boolean Character Class ClassLoader Compiler Double Float Integer Long Math Number Object Process Runtime SecurityManager String StringBuffer Thread ThreadGroup Byte Short Void InheritableThreadLocal Package RuntimePermission ThreadLocal StrictMath StackTraceElement Enum ProcessBuilder StringBuilder ClassValue Module ModuleLayer StackWalker Record
   syn match   javaC_JavaLang "\<System\>"	" See javaDebug.
+  " As of JDK 21, java.lang.Compiler is no more (deprecated in JDK 9).
+  syn keyword javaLangDeprecated Compiler
   syn cluster javaTop add=javaC_JavaLang
   syn cluster javaClasses add=javaC_JavaLang
   hi def link javaC_JavaLang javaC_Java
@@ -191,17 +208,20 @@ if exists("java_comment_strings")
   syn cluster javaCommentSpecial2 add=javaComment2String,javaCommentCharacter,javaNumber,javaStrTempl
 endif
 
-syn region  javaComment		start="/\*" end="\*/" contains=@javaCommentSpecial,javaTodo,javaSpaceError,@Spell
+syn region  javaComment		matchgroup=javaCommentStart start="/\*" end="\*/" contains=@javaCommentSpecial,javaTodo,javaCommentError,javaSpaceError,@Spell
 syn match   javaCommentStar	 contained "^\s*\*[^/]"me=e-1
 syn match   javaCommentStar	 contained "^\s*\*$"
 syn match   javaLineComment	"//.*" contains=@javaCommentSpecial2,javaTodo,javaCommentMarkupTag,javaSpaceError,@Spell
-syn match   javaCommentMarkupTag contained "@\%(end\|highlight\|link\|replace\|start\)\>" nextgroup=javaCommentMarkupTagAttr skipwhite
-syn match   javaCommentMarkupTagAttr contained "\<region\>" nextgroup=javaCommentMarkupTagAttr skipwhite
-syn region  javaCommentMarkupTagAttr contained transparent matchgroup=htmlArg start=/\<\%(re\%(gex\|gion\|placement\)\|substring\|t\%(arget\|ype\)\)\%(\s*=\)\@=/ matchgroup=htmlString end=/\%(=\s*\)\@<=\%("[^"]\+"\|'[^']\+'\|\%([.-]\|\k\)\+\)/ nextgroup=javaCommentMarkupTagAttr skipwhite oneline
+syn match   javaCommentMarkupTag contained "@\%(end\|highlight\|link\|replace\|start\)\>" nextgroup=javaCommentMarkupTagAttr,javaSpaceError skipwhite
+syn match   javaCommentMarkupTagAttr contained "\<region\>" nextgroup=javaCommentMarkupTagAttr,javaSpaceError skipwhite
+syn region  javaCommentMarkupTagAttr contained transparent matchgroup=htmlArg start=/\<\%(re\%(gex\|gion\|placement\)\|substring\|t\%(arget\|ype\)\)\%(\s*=\)\@=/ matchgroup=htmlString end=/\%(=\s*\)\@<=\%("[^"]\+"\|'[^']\+'\|\%([.-]\|\k\)\+\)/ nextgroup=javaCommentMarkupTagAttr,javaSpaceError skipwhite oneline
 hi def link javaCommentMarkupTagAttr htmlArg
 hi def link javaCommentString javaString
 hi def link javaComment2String javaString
 hi def link javaCommentCharacter javaCharacter
+syn match   javaCommentError contained "/\*"me=e-1 display
+hi def link javaCommentError javaError
+hi def link javaCommentStart javaComment
 
 syn cluster javaTop add=javaComment,javaLineComment
 
@@ -215,17 +235,18 @@ if !exists("java_ignore_javadoc") && main_syntax != 'jsp'
   " here.
   syntax spell default
 
-  syn region javaDocComment	start="/\*\*" end="\*/" keepend contains=javaCommentTitle,@javaHtml,javaDocTags,javaDocSeeTag,javaDocCodeTag,javaDocSnippetTag,javaTodo,javaSpaceError,@Spell
-  syn region javaCommentTitle	contained matchgroup=javaDocComment start="/\*\*" matchgroup=javaCommentTitle keepend end="\.$" end="\.[ \t\r<&]"me=e-1 end="[^{]@"me=s-2,he=s-1 end="\*/"me=s-1,he=s-1 contains=@javaHtml,javaCommentStar,javaTodo,javaSpaceError,@Spell,javaDocTags,javaDocSeeTag,javaDocCodeTag,javaDocSnippetTag
+  syn region javaDocComment	start="/\*\*" end="\*/" keepend contains=javaCommentTitle,@javaHtml,javaDocTags,javaDocSeeTag,javaDocCodeTag,javaDocSnippetTag,javaTodo,javaCommentError,javaSpaceError,@Spell
+  syn region javaCommentTitle	contained matchgroup=javaDocComment start="/\*\*" matchgroup=javaCommentTitle end="\.$" end="\.[ \t\r]\@=" end="\%(^\s*\**\s*\)\@<=@"me=s-2,he=s-1 end="\*/"me=s-1,he=s-1 contains=@javaHtml,javaCommentStar,javaTodo,javaCommentError,javaSpaceError,@Spell,javaDocTags,javaDocSeeTag,javaDocCodeTag,javaDocSnippetTag
+  syn region javaCommentTitle	contained matchgroup=javaDocComment start="/\*\*\s*\r\=\n\=\s*\**\s*\%({@return\>\)\@=" matchgroup=javaCommentTitle end="}\%(\s*\.*\)*" contains=@javaHtml,javaCommentStar,javaTodo,javaCommentError,javaSpaceError,@Spell,javaDocTags,javaDocSeeTag,javaDocCodeTag,javaDocSnippetTag
   syn region javaDocTags	contained start="{@\%(li\%(teral\|nk\%(plain\)\=\)\|inherit[Dd]oc\|doc[rR]oot\|value\)\>" end="}"
-  syn match  javaDocTags	 contained "@\(param\|exception\|throws\|since\)\s\+\S\+" contains=javaDocParam
-  syn match  javaDocParam	 contained "\s\S\+"
-  syn match  javaDocTags	 contained "@\(version\|author\|return\|deprecated\|serial\|serialField\|serialData\)\>"
-  syn region javaDocSeeTag	 contained matchgroup=javaDocTags start="@see\s\+" matchgroup=NONE end="\_."re=e-1 contains=javaDocSeeTagParam
-  syn match  javaDocSeeTagParam  contained @"\_[^"]\+"\|<a\s\+\_.\{-}</a>\|\(\k\|\.\)*\(#\k\+\((\_[^)]\+)\)\=\)\=@ extend
+  syn match  javaDocTags	contained "@\%(param\|exception\|throws\|since\)\s\+\S\+" contains=javaDocParam
+  syn match  javaDocParam	contained "\s\S\+"
+  syn match  javaDocTags	contained "@\%(version\|author\|return\|deprecated\|serial\%(Field\|Data\)\=\)\>"
+  syn region javaDocSeeTag	contained matchgroup=javaDocTags start="@see\s\+" matchgroup=NONE end="\_."re=e-1 contains=javaDocSeeTagParam
+  syn match  javaDocSeeTagParam	contained @"\_[^"]\+"\|<a\s\+\_.\{-}</a>\|\%(\k\|\.\)*\%(#\k\+\%((\_[^)]*)\)\=\)\=@ contains=@javaHtml extend
   syn region javaCodeSkipBlock	contained transparent start="{\%(@code\>\)\@!" end="}" contains=javaCodeSkipBlock,javaDocCodeTag
   syn region javaDocCodeTag	contained start="{@code\>" end="}" contains=javaDocCodeTag,javaCodeSkipBlock
-  syn region javaDocSnippetTagAttr contained transparent matchgroup=htmlArg start=/\<\%(class\|file\|id\|lang\|region\)\%(\s*=\)\@=/ matchgroup=htmlString end=/:$/ end=/\%(=\s*\)\@<=\%("[^"]\+"\|'[^']\+'\|\%([.-]\|\k\)\+\)/ nextgroup=javaDocSnippetTagAttr skipwhite skipnl
+  syn region javaDocSnippetTagAttr contained transparent matchgroup=htmlArg start=/\<\%(class\|file\|id\|lang\|region\)\%(\s*=\)\@=/ matchgroup=htmlString end=/:$/ end=/\%(=\s*\)\@<=\%("[^"]\+"\|'[^']\+'\|\%([.\\/-]\|\k\)\+\)/ nextgroup=javaDocSnippetTagAttr skipwhite skipnl
   syn region javaSnippetSkipBlock contained transparent start="{\%(@snippet\>\)\@!" end="}" contains=javaSnippetSkipBlock,javaDocSnippetTag,javaCommentMarkupTag
   syn region javaDocSnippetTag	contained start="{@snippet\>" end="}" contains=javaDocSnippetTag,javaSnippetSkipBlock,javaDocSnippetTagAttr,javaCommentMarkupTag
   syntax case match
@@ -267,20 +288,31 @@ syn match   javaSpecial "\\u\x\x\x\x"
 
 syn cluster javaTop add=javaString,javaStrTempl,javaCharacter,javaNumber,javaSpecial,javaStringError,javaTextBlockError
 
+" Method declarations (JLS-17, §8.4.3, §8.4.4, §9.4).
 if exists("java_highlight_functions")
+  syn cluster javaFuncParams contains=javaAnnotation,@javaClasses,javaType,javaVarArg,javaComment,javaLineComment
+
   if java_highlight_functions == "indent"
-    syn match  javaFuncDef "^\(\t\| \{8\}\)[_$a-zA-Z][_$a-zA-Z0-9_. \[\]<>]*([^-+*/]*)" contains=javaScopeDecl,javaType,javaStorageClass,@javaClasses,javaAnnotation
-    syn region javaFuncDef start=+^\(\t\| \{8\}\)[$_a-zA-Z][$_a-zA-Z0-9_. \[\]<>]*([^-+*/]*,\s*+ end=+)+ contains=javaScopeDecl,javaType,javaStorageClass,@javaClasses,javaAnnotation
-    syn match  javaFuncDef "^  [$_a-zA-Z][$_a-zA-Z0-9_. \[\]<>]*([^-+*/]*)" contains=javaScopeDecl,javaType,javaStorageClass,@javaClasses,javaAnnotation
-    syn region javaFuncDef start=+^  [$_a-zA-Z][$_a-zA-Z0-9_. \[\]<>]*([^-+*/]*,\s*+ end=+)+ contains=javaScopeDecl,javaType,javaStorageClass,@javaClasses,javaAnnotation
+    syn cluster javaFuncParams add=javaScopeDecl,javaConceptKind,javaStorageClass,javaExternal
+    syn match javaFuncDef "^\%(\t\|  \%( \{6\}\)\=\)\K\%(\k\|[ .,<>\[\]]\)*([^-+*/]*)" contains=@javaFuncParams
+    syn region javaFuncDef start=+^\%(\t\|  \%( \{6\}\)\=\)\K\%(\k\|[ .,<>\[\]]\)*([^-+*/]*,\s*+ end=+)+ contains=@javaFuncParams
   else
-    " This line catches method declarations at any indentation>0, but it assumes
-    " two things:
-    "	1. class names are always capitalized (ie: Button)
-    "	2. method names are never capitalized (except constructors, of course)
-    "syn region javaFuncDef start=+^\s\+\(\(public\|protected\|private\|static\|abstract\|final\|native\|synchronized\)\s\+\)*\(\(void\|boolean\|char\|byte\|short\|int\|long\|float\|double\|\([A-Za-z_][A-Za-z0-9_$]*\.\)*[A-Z][A-Za-z0-9_$]*\)\(<[^>]*>\)\=\(\[\]\)*\s\+[a-z][A-Za-z0-9_$]*\|[A-Z][A-Za-z0-9_$]*\)\s*([^0-9]+ end=+)+ contains=javaScopeDecl,javaType,javaStorageClass,javaComment,javaLineComment,@javaClasses
-    syn region javaFuncDef start=+^\s\+\%(\%(public\|protected\|private\|static\|\%(abstract\|default\)\|final\|native\|synchronized\)\s\+\)*\%(<.*>\s\+\)\?\%(\%(void\|boolean\|char\|byte\|short\|int\|long\|float\|double\|\%([A-Za-z_][A-Za-z0-9_$]*\.\)*[A-Z][A-Za-z0-9_$]*\)\%(<[^(){}]*>\)\=\%(\[\]\)*\s\+[a-z][A-Za-z0-9_$]*\|[A-Z][A-Za-z0-9_$]*\)\s*(+ end=+)+ contains=javaScopeDecl,javaType,javaStorageClass,javaComment,javaLineComment,@javaClasses,javaAnnotation
+    " This is the "style" variant (:help ft-java-syntax).
+    syn cluster javaFuncParams add=javaScopeDecl,javaConceptKind,javaStorageClass,javaExternal
+
+    " Match arbitrarily indented camelCasedName method declarations.
+    " Match: [@ɐ] [abstract] [<α, β>] Τʬ[<γ>][[][]] μʭʭ(/* ... */);
+
+    if s:selectable_regexp_engine
+      " Request the new regexp engine for [:upper:] and [:lower:].
+      syn region javaFuncDef start=/\%#=2^\s\+\%(\%(@\%(\K\k*\.\)*\K\k*\>\)\s\+\)*\%(p\%(ublic\|rotected\|rivate\)\s\+\)\=\%(\%(abstract\|default\)\s\+\|\%(\%(final\|\%(native\|strictfp\)\|s\%(tatic\|ynchronized\)\)\s\+\)*\)\=\%(<.*[[:space:]-]\@1<!>\s\+\)\=\%(void\|\%(b\%(oolean\|yte\)\|char\|short\|int\|long\|float\|double\|\%(\<\K\k*\>\.\)*\<[$_[:upper:]]\k*\>\%(<[^(){}]*[[:space:]-]\@1<!>\)\=\)\%(\[\]\)*\)\s\+\<[$_[:lower:]]\k*\>\s*(/ end=/)/ skip=/\/\*.\{-}\*\/\|\/\/.*$/ contains=@javaFuncParams
+    else
+      " XXX: \C\<[^a-z0-9]\k*\> rejects "type", but matches "τύπος".
+      " XXX: \C\<[^A-Z0-9]\k*\> rejects "Method", but matches "Μέθοδος".
+      syn region javaFuncDef start=/^\s\+\%(\%(@\%(\K\k*\.\)*\K\k*\>\)\s\+\)*\%(p\%(ublic\|rotected\|rivate\)\s\+\)\=\%(\%(abstract\|default\)\s\+\|\%(\%(final\|\%(native\|strictfp\)\|s\%(tatic\|ynchronized\)\)\s\+\)*\)\=\%(<.*[[:space:]-]\@1<!>\s\+\)\=\%(void\|\%(b\%(oolean\|yte\)\|char\|short\|int\|long\|float\|double\|\%(\<\K\k*\>\.\)*\<[^a-z0-9]\k*\>\%(<[^(){}]*[[:space:]-]\@1<!>\)\=\)\%(\[\]\)*\)\s\+\<[^A-Z0-9]\k*\>\s*(/ end=/)/ skip=/\/\*.\{-}\*\/\|\/\/.*$/ contains=@javaFuncParams
+    endif
   endif
+
   syn match   javaLambdaDef "\<\K\k*\>\%(\<default\>\)\@<!\s*->"
   syn match  javaBraces  "[{}]"
   syn cluster javaTop add=javaFuncDef,javaBraces,javaLambdaDef
@@ -313,11 +345,13 @@ if exists("java_highlight_debug")
   syn keyword javaDebugType		contained null this super
   syn region javaDebugParen  start=+(+ end=+)+ contained contains=javaDebug.*,javaDebugParen
 
-  " to make this work you must define the highlighting for these groups
-  syn match javaDebug "\<System\.\(out\|err\)\.print\(ln\)*\s*("me=e-1 contains=javaDebug.* nextgroup=javaDebugParen
-  syn match javaDebug "\<p\s*("me=e-1 contains=javaDebug.* nextgroup=javaDebugParen
-  syn match javaDebug "[A-Za-z][a-zA-Z0-9_]*\.printStackTrace\s*("me=e-1 contains=javaDebug.* nextgroup=javaDebugParen
-  syn match javaDebug "\<trace[SL]\=\s*("me=e-1 contains=javaDebug.* nextgroup=javaDebugParen
+  " To make this work, define the highlighting for these groups.
+  syn match javaDebug "\<System\.\%(out\|err\)\.print\%(ln\)\=\s*("me=e-1 contains=javaDebug.* nextgroup=javaDebugParen
+" FIXME: What API does "p" belong to?
+" syn match javaDebug "\<p\s*("me=e-1 contains=javaDebug.* nextgroup=javaDebugParen
+  syn match javaDebug "\<\K\k*\.printStackTrace\s*("me=e-1 contains=javaDebug.* nextgroup=javaDebugParen
+" FIXME: What API do "trace*" belong to?
+" syn match javaDebug "\<trace[SL]\=\s*("me=e-1 contains=javaDebug.* nextgroup=javaDebugParen
 
   syn cluster javaTop add=javaDebug
 
@@ -360,13 +394,20 @@ syn match   javaParenError	 "\]"
 hi def link javaParenError	javaError
 
 if exists("java_highlight_functions")
-   syn match javaLambdaDef "([a-zA-Z0-9_<>\[\], \t]*)\s*->"
-   " needs to be defined after the parenthesis error catcher to work
+  " Make ()-matching definitions after the parenthesis error catcher.
+  syn match javaLambdaDef "\k\@4<!(\%(\k\|[[:space:]<>?\[\]@,.]\)*)\s*->"
 endif
 
 if !exists("java_minlines")
   let java_minlines = 10
 endif
+
+" Note that variations of a /*/ balanced comment, e.g., /*/*/, /*//*/,
+" /* /*/, /*  /*/, etc., may have their rightmost /*/ part accepted
+" as a comment start by ':syntax sync ccomment'; consider alternatives
+" to make synchronisation start further towards file's beginning by
+" bumping up g:java_minlines or issuing ':syntax sync fromstart' or
+" preferring &foldmethod set to 'syntax'.
 exec "syn sync ccomment javaComment minlines=" . java_minlines
 
 " The default highlighting.
@@ -427,10 +468,10 @@ hi def link htmlArg			Type
 hi def link htmlString			String
 hi def link javaSpaceError		Error
 
-if s:isModuleInfoDeclarationCurrentBuffer()
-    hi def link javaModuleStorageClass	StorageClass
-    hi def link javaModuleStmt		Statement
-    hi def link javaModuleExternal	Include
+if s:module_info_cur_buf
+  hi def link javaModuleStorageClass	StorageClass
+  hi def link javaModuleStmt		Statement
+  hi def link javaModuleExternal	Include
 endif
 
 let b:current_syntax = "java"
@@ -439,9 +480,8 @@ if main_syntax == 'java'
   unlet main_syntax
 endif
 
-delfunction! s:isModuleInfoDeclarationCurrentBuffer
-let b:spell_options="contained"
+let b:spell_options = "contained"
 let &cpo = s:cpo_save
-unlet s:cpo_save
+unlet s:selectable_regexp_engine s:module_info_cur_buf s:cpo_save
 
 " vim: ts=8
diff --git a/runtime/syntax/ondir.vim b/runtime/syntax/ondir.vim
new file mode 100644
index 0000000..4aeb014
--- /dev/null
+++ b/runtime/syntax/ondir.vim
@@ -0,0 +1,35 @@
+" Vim syntax file
+" Language:     ondir <https://github.com/alecthomas/ondir>
+" Maintainer:   Jon Parise <jon@indelible.org>
+
+if exists('b:current_syntax')
+  finish
+endif
+
+let s:cpo_save = &cpoptions
+set cpoptions&vim
+
+syn case match
+
+syn match   ondirComment  "#.*" contains=@Spell
+syn keyword ondirKeyword  final contained skipwhite nextgroup=ondirKeyword
+syn keyword ondirKeyword  enter leave contained skipwhite nextgroup=ondirPath
+syn match   ondirPath     "[^:]\+" contained display
+syn match   ondirColon    ":" contained display
+
+syn include @ondirShell   syntax/sh.vim
+syn region  ondirContent  start="^\s\+" end="^\ze\S.*$" keepend contained contains=@ondirShell
+
+syn region  ondirSection  start="^\(final\|enter\|leave\)" end="^\ze\S.*$" fold contains=ondirKeyword,ondirPath,ondirColon,ondirContent
+
+hi def link ondirComment  Comment
+hi def link ondirKeyword  Keyword
+hi def link ondirPath     Special
+hi def link ondirColon    Operator
+
+let b:current_syntax = 'ondir'
+
+let &cpoptions = s:cpo_save
+unlet s:cpo_save
+
+" vim: et ts=4 sw=2 sts=2:
diff --git a/runtime/syntax/pamconf.vim b/runtime/syntax/pamconf.vim
index 2913284..1b5f901 100644
--- a/runtime/syntax/pamconf.vim
+++ b/runtime/syntax/pamconf.vim
@@ -1,9 +1,9 @@
 " Vim syntax file
 " Language:             pam(8) configuration file
 " Previous Maintainer:  Nikolai Weibull <now@bitwi.se>
-" Latest Revision:      2020/08/04
+" Latest Change:        2024/03/31
 " Changes By:		Haochen Tong
-
+" 			Vim Project for the @include syntax
 
 if exists("b:current_syntax")
   finish
@@ -23,6 +23,13 @@ syn match   pamconfType             '-\?[[:alpha:]]\+'
 
 syn keyword pamconfTypeKeyword      contained account auth password session
 
+" The @include syntax is Debian specific
+syn match   pamconfInclude         '^@include'
+                                    \ nextgroup=pamconfIncludeFile
+                                    \ skipwhite
+
+syn match   pamconfIncludeFile     '\f\+$'
+
 if s:has_service_field
     syn match   pamconfService          '^[[:graph:]]\+'
                                         \ nextgroup=pamconfType,
@@ -124,6 +131,8 @@ hi def link pamconfMPath            String
 hi def link pamconfMPathLineCont    pamconfServiceLineCont
 hi def link pamconfArgs             Normal
 hi def link pamconfArgsLineCont     pamconfServiceLineCont
+hi def link pamconfInclude          Include
+hi def link pamconfIncludeFile      Include
 
 let b:current_syntax = "pamconf"
 
diff --git a/runtime/syntax/pandoc.vim b/runtime/syntax/pandoc.vim
new file mode 100644
index 0000000..7928cc6
--- /dev/null
+++ b/runtime/syntax/pandoc.vim
@@ -0,0 +1,709 @@
+scriptencoding utf-8
+"
+" Language:	Pandoc (superset of Markdown)
+" Maintainer:	Felipe Morales <hel.sheep@gmail.com>
+" Maintainer:	Caleb Maclennan <caleb@alerque.com>
+" Upstream:	https://github.com/vim-pandoc/vim-pandoc-syntax
+"
+" Contributor:	David Sanson <dsanson@gmail.com>
+"		Jorge Israel Peña <jorge.israel.p@gmail.com>
+" Original Author:	Jeremy Schultz <taozhyn@gmail.com>
+" Version: 5.0
+" Last Change:	2024 Apr 08
+
+let s:cpo_save = &cpo
+set cpo&vim
+
+" Configuration: {{{1
+"
+" use conceal? {{{2
+if !exists('g:pandoc#syntax#conceal#use')
+    let g:pandoc#syntax#conceal#use = 1
+endif
+"}}}2
+
+" what groups not to use conceal in. works as a blacklist {{{2
+if !exists('g:pandoc#syntax#conceal#blacklist')
+    let g:pandoc#syntax#conceal#blacklist = []
+endif
+" }}}2
+
+" cchars used in conceal rules {{{2
+" utf-8 defaults (preferred)
+if &encoding ==# 'utf-8'
+    let s:cchars = {
+                \'newline': '↵',
+                \'image': '▨',
+                \'super': 'ⁿ',
+                \'sub': 'ₙ',
+                \'strike': 'x̶',
+                \'atx': '§',
+                \'codelang': 'λ',
+                \'codeend': '—',
+                \'abbrev': '→',
+                \'footnote': '†',
+                \'definition': ' ',
+                \'li': '•',
+                \'html_c_s': '‹',
+                \'html_c_e': '›',
+                \'quote_s': '“',
+                \'quote_e': '”'}
+else
+    " ascii defaults
+    let s:cchars = {
+                \'newline': ' ',
+                \'image': 'i',
+                \'super': '^',
+                \'sub': '_',
+                \'strike': '~',
+                \'atx': '#',
+                \'codelang': 'l',
+                \'codeend': '-',
+                \'abbrev': 'a',
+                \'footnote': 'f',
+                \'definition': ' ',
+                \'li': '*',
+                \'html_c_s': '+',
+                \'html_c_e': '+'}
+endif
+" }}}2
+
+" if the user has a dictionary with replacements for the default cchars, use those {{{2
+if exists('g:pandoc#syntax#conceal#cchar_overrides')
+    let s:cchars = extend(s:cchars, g:pandoc#syntax#conceal#cchar_overrides)
+endif
+" }}}2
+
+"should the urls in links be concealed? {{{2
+if !exists('g:pandoc#syntax#conceal#urls')
+    let g:pandoc#syntax#conceal#urls = 0
+endif
+" should backslashes in escapes be concealed? {{{2
+if !exists('g:pandoc#syntax#conceal#backslash')
+    let g:pandoc#syntax#conceal#backslash = 0
+endif
+" }}}2
+
+" leave specified codeblocks as Normal (i.e. 'unhighlighted') {{{2
+if !exists('g:pandoc#syntax#codeblocks#ignore')
+    let g:pandoc#syntax#codeblocks#ignore = []
+endif
+" }}}2
+
+" use embedded highlighting for delimited codeblocks where a language is specifed. {{{2
+if !exists('g:pandoc#syntax#codeblocks#embeds#use')
+    let g:pandoc#syntax#codeblocks#embeds#use = 1
+endif
+" }}}2
+
+" for what languages and using what vim syntax files highlight those embeds. {{{2
+" defaults to None.
+if !exists('g:pandoc#syntax#codeblocks#embeds#langs')
+    let g:pandoc#syntax#codeblocks#embeds#langs = []
+endif
+" }}}2
+
+" use italics ? {{{2
+if !exists('g:pandoc#syntax#style#emphases')
+    let g:pandoc#syntax#style#emphases = 1
+endif
+" if 0, we don't conceal the emphasis marks, otherwise there wouldn't be a way
+" to tell where the styles apply.
+if g:pandoc#syntax#style#emphases == 0
+    call add(g:pandoc#syntax#conceal#blacklist, 'block')
+endif
+" }}}2
+
+" underline subscript, superscript and strikeout? {{{2
+if !exists('g:pandoc#syntax#style#underline_special')
+    let g:pandoc#syntax#style#underline_special = 1
+endif
+" }}}2
+
+" protect code blocks? {{{2
+if !exists('g:pandoc#syntax#protect#codeblocks')
+    let g:pandoc#syntax#protect#codeblocks = 1
+endif
+" }}}2
+
+" use color column? {{{2
+if !exists('g:pandoc#syntax#colorcolumn')
+    let g:pandoc#syntax#colorcolumn = 0
+endif
+" }}}2
+
+" highlight new lines? {{{2
+if !exists('g:pandoc#syntax#newlines')
+    let g:pandoc#syntax#newlines = 1
+endif
+" }}}
+
+" detect roman-numeral list items? {{{2
+if !exists('g:pandoc#syntax#roman_lists')
+    let g:pandoc#syntax#roman_lists = 0
+endif
+" }}}2
+
+" disable syntax highlighting for definition lists? (better performances) {{{2
+if !exists('g:pandoc#syntax#use_definition_lists')
+    let g:pandoc#syntax#use_definition_lists = 1
+endif
+" }}}2
+
+" }}}1
+
+" Functions: {{{1
+" EnableEmbedsforCodeblocksWithLang {{{2
+function! EnableEmbedsforCodeblocksWithLang(entry)
+    " prevent embedded language syntaxes from changing 'foldmethod' 
+    if has('folding')
+        let s:foldmethod = &l:foldmethod
+        let s:foldtext = &l:foldtext     
+    endif
+
+    try
+        let s:langname = matchstr(a:entry, '^[^=]*')
+        let s:langsyntaxfile = matchstr(a:entry, '[^=]*$')
+        unlet! b:current_syntax
+        exe 'syn include @'.toupper(s:langname).' syntax/'.s:langsyntaxfile.'.vim'
+        " We might have just turned off spellchecking by including the file,
+        " so we turn it back on here.
+        exe 'syntax spell toplevel'
+        exe 'syn region pandocDelimitedCodeBlock_' . s:langname . ' start=/\(\_^\( \+\|\t\)\=\(`\{3,}`*\|\~\{3,}\~*\)\s*\%({[^.]*\.\)\=' . s:langname . '\>.*\n\)\@<=\_^/' .
+                    \' end=/\_$\n\(\( \+\|\t\)\=\(`\{3,}`*\|\~\{3,}\~*\)\_$\n\_$\)\@=/ contained containedin=pandocDelimitedCodeBlock' .
+                    \' contains=@' . toupper(s:langname)
+        exe 'syn region pandocDelimitedCodeBlockinBlockQuote_' . s:langname . ' start=/>\s\(`\{3,}`*\|\~\{3,}\~*\)\s*\%({[^.]*\.\)\=' . s:langname . '\>/' .
+                    \ ' end=/\(`\{3,}`*\|\~\{3,}\~*\)/ contained containedin=pandocDelimitedCodeBlock' .
+                    \' contains=@' . toupper(s:langname) .
+                    \',pandocDelimitedCodeBlockStart,pandocDelimitedCodeBlockEnd,pandodDelimitedCodeblockLang,pandocBlockQuoteinDelimitedCodeBlock'
+    catch /E484/
+      echo "No syntax file found for '" . s:langsyntaxfile . "'"
+    endtry
+
+    if exists('s:foldmethod') && s:foldmethod !=# &l:foldmethod
+        let &l:foldmethod = s:foldmethod
+    endif
+    if exists('s:foldtext') && s:foldtext !=# &l:foldtext
+        let &l:foldtext = s:foldtext
+    endif
+endfunction
+" }}}2
+
+" DisableEmbedsforCodeblocksWithLang {{{2
+function! DisableEmbedsforCodeblocksWithLang(langname)
+    try
+      exe 'syn clear pandocDelimitedCodeBlock_'.a:langname
+      exe 'syn clear pandocDelimitedCodeBlockinBlockQuote_'.a:langname
+    catch /E28/
+      echo "No existing highlight definitions found for '" . a:langname . "'"
+    endtry
+endfunction
+" }}}2
+
+" WithConceal {{{2
+function! s:WithConceal(rule_group, rule, conceal_rule)
+    let l:rule_tail = ''
+    if g:pandoc#syntax#conceal#use != 0
+        if index(g:pandoc#syntax#conceal#blacklist, a:rule_group) == -1
+            let l:rule_tail = ' ' . a:conceal_rule
+        endif
+    endif
+    execute a:rule . l:rule_tail
+endfunction
+" }}}2
+
+" }}}1
+
+" Commands: {{{1
+command! -buffer -nargs=1 -complete=syntax PandocHighlight call EnableEmbedsforCodeblocksWithLang(<f-args>)
+command! -buffer -nargs=1 -complete=syntax PandocUnhighlight call DisableEmbedsforCodeblocksWithLang(<f-args>)
+" }}}1
+
+" BASE:
+syntax clear
+syntax spell toplevel
+" }}}1
+
+" Syntax Rules: {{{1
+
+" Embeds: {{{2
+
+" prevent embedded language syntaxes from changing 'foldmethod' 
+if has('folding')
+    let s:foldmethod = &l:foldmethod
+endif
+
+" HTML: {{{3
+" Set embedded HTML highlighting
+syn include @HTML syntax/html.vim
+syn match pandocHTML /<\/\?\a\_.\{-}>/ contains=@HTML
+" Support HTML multi line comments
+syn region pandocHTMLComment start=/<!--\s\=/ end=/\s\=-->/ keepend contains=pandocHTMLCommentStart,pandocHTMLCommentEnd
+call s:WithConceal('html_c_s', 'syn match pandocHTMLCommentStart /<!--/ contained', 'conceal cchar='.s:cchars['html_c_s'])
+call s:WithConceal('html_c_e', 'syn match pandocHTMLCommentEnd /-->/ contained', 'conceal cchar='.s:cchars['html_c_e'])
+" }}}3
+
+" LaTeX: {{{3
+" Set embedded LaTex (pandoc extension) highlighting
+" Unset current_syntax so the 2nd include will work
+unlet b:current_syntax
+syn include @LATEX syntax/tex.vim
+if index(g:pandoc#syntax#conceal#blacklist, 'inlinemath') == -1
+    " Can't use WithConceal here because it will mess up all other conceals
+    " when dollar signs are used normally. It must be skipped entirely if
+    " inlinemath is blacklisted
+    syn region pandocLaTeXInlineMath start=/\v\\@<!\$\S@=/ end=/\v\\@<!\$\d@!/ keepend contains=@LATEX
+    syn region pandocLaTeXInlineMath start=/\\\@<!\\(/ end=/\\\@<!\\)/ keepend contains=@LATEX
+endif
+syn match pandocEscapedDollar /\\\$/ conceal cchar=$
+syn match pandocProtectedFromInlineLaTeX /\\\@<!\${.*}\(\(\s\|[[:punct:]]\)\([^$]*\|.*\(\\\$.*\)\{2}\)\n\n\|$\)\@=/ display
+" contains=@LATEX
+syn region pandocLaTeXMathBlock start=/\$\$/ end=/\$\$/ keepend contains=@LATEX
+syn region pandocLaTeXMathBlock start=/\\\@<!\\\[/ end=/\\\@<!\\\]/ keepend contains=@LATEX
+syn match pandocLaTeXCommand /\\[[:alpha:]]\+\(\({.\{-}}\)\=\(\[.\{-}\]\)\=\)*/ contains=@LATEX
+syn region pandocLaTeXRegion start=/\\begin{\z(.\{-}\)}/ end=/\\end{\z1}/ keepend contains=@LATEX
+" we rehighlight sectioning commands, because otherwise tex.vim captures all text until EOF or a new sectioning command
+syn region pandocLaTexSection start=/\\\(part\|chapter\|\(sub\)\{,2}section\|\(sub\)\=paragraph\)\*\=\(\[.*\]\)\={/ end=/\}/ keepend
+syn match pandocLaTexSectionCmd /\\\(part\|chapter\|\(sub\)\{,2}section\|\(sub\)\=paragraph\)/ contained containedin=pandocLaTexSection
+syn match pandocLaTeXDelimiter /[[\]{}]/ contained containedin=pandocLaTexSection
+" }}}3
+
+if exists('s:foldmethod') && s:foldmethod !=# &l:foldmethod
+    let &l:foldmethod = s:foldmethod
+endif
+
+" }}}2
+
+" Titleblock: {{{2
+syn region pandocTitleBlock start=/\%^%/ end=/\n\n/ contains=pandocReferenceLabel,pandocReferenceURL,pandocNewLine
+call s:WithConceal('titleblock', 'syn match pandocTitleBlockMark /%\ / contained containedin=pandocTitleBlock,pandocTitleBlockTitle', 'conceal')
+syn match pandocTitleBlockTitle /\%^%.*\n/ contained containedin=pandocTitleBlock
+" }}}2
+
+" Blockquotes: {{{2
+syn match pandocBlockQuote /^\s\{,3}>.*\n\(.*\n\@1<!\n\)*/ contains=@Spell,pandocEmphasis,pandocStrong,pandocPCite,pandocSuperscript,pandocSubscript,pandocStrikeout,pandocUListItem,pandocNoFormatted,pandocAmpersandEscape,pandocLaTeXInlineMath,pandocEscapedDollar,pandocLaTeXCommand,pandocLaTeXMathBlock,pandocLaTeXRegion skipnl
+syn match pandocBlockQuoteMark /\_^\s\{,3}>/ contained containedin=pandocEmphasis,pandocStrong,pandocPCite,pandocSuperscript,pandocSubscript,pandocStrikeout,pandocUListItem,pandocNoFormatted
+" }}}2
+
+" Code Blocks: {{{2
+if g:pandoc#syntax#protect#codeblocks == 1
+    syn match pandocCodeblock /\([ ]\{4}\|\t\).*$/
+endif
+syn region pandocCodeBlockInsideIndent   start=/\(\(\d\|\a\|*\).*\n\)\@<!\(^\(\s\{8,}\|\t\+\)\).*\n/ end=/.\(\n^\s*\n\)\@=/ contained
+" }}}2
+
+" Links: {{{2
+
+" Base: {{{3
+syn region pandocReferenceLabel matchgroup=pandocOperator start=/!\{,1}\\\@<!\^\@<!\[/ skip=/\(\\\@<!\]\]\@=\|`.*\\\@<!].*`\)/ end=/\\\@<!\]/ keepend display
+if g:pandoc#syntax#conceal#urls == 1
+    syn region pandocReferenceURL matchgroup=pandocOperator start=/\]\@1<=(/ end=/)/ keepend conceal
+else
+    syn region pandocReferenceURL matchgroup=pandocOperator start=/\]\@1<=(/ end=/)/ keepend
+endif
+" let's not consider "a [label] a" as a label, remove formatting - Note: breaks implicit links
+syn match pandocNoLabel /\]\@1<!\(\s\{,3}\|^\)\[[^\[\]]\{-}\]\(\s\+\|$\)[\[(]\@!/ contains=pandocPCite
+syn match pandocLinkTip /\s*".\{-}"/ contained containedin=pandocReferenceURL contains=@Spell,pandocAmpersandEscape display
+call s:WithConceal('image', 'syn match pandocImageIcon /!\[\@=/ display', 'conceal cchar='. s:cchars['image'])
+" }}}3
+
+" Definitions: {{{3
+syn region pandocReferenceDefinition start=/\[.\{-}\]:/ end=/\(\n\s*".*"$\|$\)/ keepend
+syn match pandocReferenceDefinitionLabel /\[\zs.\{-}\ze\]:/ contained containedin=pandocReferenceDefinition display
+syn match pandocReferenceDefinitionAddress /:\s*\zs.*/ contained containedin=pandocReferenceDefinition
+syn match pandocReferenceDefinitionTip /\s*".\{-}"/ contained containedin=pandocReferenceDefinition,pandocReferenceDefinitionAddress contains=@Spell,pandocAmpersandEscape
+" }}}3
+
+" Automatic_links: {{{3
+syn match pandocAutomaticLink /<\(https\{0,1}.\{-}\|[A-Za-z0-9!#$%&'*+\-/=?^_`{|}~.]\{-}@[A-Za-z0-9\-]\{-}\.\w\{-}\)>/ contains=NONE
+" }}}3
+
+" }}}2
+
+" Citations: {{{2
+" parenthetical citations
+syn match pandocPCite "\^\@<!\[[^\[\]]\{-}-\{0,1}@[[:alnum:]_][[:digit:][:lower:][:upper:]_:.#$%&\-+?<>~/]*.\{-}\]" contains=pandocEmphasis,pandocStrong,pandocLatex,pandocCiteKey,@Spell,pandocAmpersandEscape display
+" in-text citations with location
+syn match pandocICite "@[[:alnum:]_][[:digit:][:lower:][:upper:]_:.#$%&\-+?<>~/]*\s\[.\{-1,}\]" contains=pandocCiteKey,@Spell display
+" cite keys
+syn match pandocCiteKey /\(-\=@[[:alnum:]_][[:digit:][:lower:][:upper:]_:.#$%&\-+?<>~/]*\)/ containedin=pandocPCite,pandocICite contains=@NoSpell display
+syn match pandocCiteAnchor /[-@]/ contained containedin=pandocCiteKey display
+syn match pandocCiteLocator /[\[\]]/ contained containedin=pandocPCite,pandocICite
+" }}}2
+
+" Text Styles: {{{2
+
+" Emphasis: {{{3
+call s:WithConceal('block', 'syn region pandocEmphasis matchgroup=pandocOperator start=/\\\@1<!\(\_^\|\s\|[[:punct:]]\)\@<=\*\S\@=/ skip=/\(\*\*\|__\)/ end=/\*\([[:punct:]]\|\s\|\_$\)\@=/ contains=@Spell,pandocNoFormattedInEmphasis,pandocLatexInlineMath,pandocAmpersandEscape', 'concealends')
+call s:WithConceal('block', 'syn region pandocEmphasis matchgroup=pandocOperator start=/\\\@1<!\(\_^\|\s\|[[:punct:]]\)\@<=_\S\@=/ skip=/\(\*\*\|__\)/ end=/\S\@1<=_\([[:punct:]]\|\s\|\_$\)\@=/ contains=@Spell,pandocNoFormattedInEmphasis,pandocLatexInlineMath,pandocAmpersandEscape', 'concealends')
+" }}}3
+
+" Strong: {{{3
+call s:WithConceal('block', 'syn region pandocStrong matchgroup=pandocOperator start=/\(\\\@<!\*\)\{2}/ end=/\(\\\@<!\*\)\{2}/ contains=@Spell,pandocNoFormattedInStrong,pandocLatexInlineMath,pandocAmpersandEscape', 'concealends')
+call s:WithConceal('block', 'syn region pandocStrong matchgroup=pandocOperator start=/__/ end=/__/ contains=@Spell,pandocNoFormattedInStrong,pandocLatexInlineMath,pandocAmpersandEscape', 'concealends')
+" }}}3
+
+" Strong Emphasis: {{{3
+call s:WithConceal('block', 'syn region pandocStrongEmphasis matchgroup=pandocOperator start=/\*\{3}\(\S[^*]*\(\*\S\|\n[^*]*\*\S\)\)\@=/ end=/\S\@<=\*\{3}/ contains=@Spell,pandocAmpersandEscape', 'concealends')
+call s:WithConceal('block', 'syn region pandocStrongEmphasis matchgroup=pandocOperator start=/\(___\)\S\@=/ end=/\S\@<=___/ contains=@Spell,pandocAmpersandEscape', 'concealends')
+" }}}3
+
+" Mixed: {{{3
+call s:WithConceal('block', 'syn region pandocStrongInEmphasis matchgroup=pandocOperator start=/\*\*/ end=/\*\*/ contained containedin=pandocEmphasis contains=@Spell,pandocAmpersandEscape', 'concealends')
+call s:WithConceal('block', 'syn region pandocStrongInEmphasis matchgroup=pandocOperator start=/__/ end=/__/ contained containedin=pandocEmphasis contains=@Spell,pandocAmpersandEscape', 'concealends')
+call s:WithConceal('block', 'syn region pandocEmphasisInStrong matchgroup=pandocOperator start=/\\\@1<!\(\_^\|\s\|[[:punct:]]\)\@<=\*\S\@=/ skip=/\(\*\*\|__\)/ end=/\S\@<=\*\([[:punct:]]\|\s\|\_$\)\@=/ contained containedin=pandocStrong contains=@Spell,pandocAmpersandEscape', 'concealends')
+call s:WithConceal('block', 'syn region pandocEmphasisInStrong matchgroup=pandocOperator start=/\\\@<!\(\_^\|\s\|[[:punct:]]\)\@<=_\S\@=/ skip=/\(\*\*\|__\)/ end=/\S\@<=_\([[:punct:]]\|\s\|\_$\)\@=/ contained containedin=pandocStrong contains=@Spell,pandocAmpersandEscape', 'concealends')
+" }}}3
+
+" Inline Code: {{{3
+" Using single back ticks
+call s:WithConceal('inlinecode', 'syn region pandocNoFormatted matchgroup=pandocOperator start=/\\\@<!`/ end=/\\\@<!`/ nextgroup=pandocNoFormattedAttrs', 'concealends')
+call s:WithConceal('inlinecode', 'syn region pandocNoFormattedInEmphasis matchgroup=pandocOperator start=/\\\@<!`/ end=/\\\@<!`/ nextgroup=pandocNoFormattedAttrs contained', 'concealends')
+call s:WithConceal('inlinecode', 'syn region pandocNoFormattedInStrong matchgroup=pandocOperator start=/\\\@<!`/ end=/\\\@<!`/ nextgroup=pandocNoFormattedAttrs contained', 'concealends')
+" Using double back ticks
+call s:WithConceal('inlinecode', 'syn region pandocNoFormatted matchgroup=pandocOperator start=/\\\@<!``/ end=/\\\@<!``/ nextgroup=pandocNoFormattedAttrs', 'concealends')
+call s:WithConceal('inlinecode', 'syn region pandocNoFormattedInEmphasis matchgroup=pandocOperator start=/\\\@<!``/ end=/\\\@<!``/ nextgroup=pandocNoFormattedAttrs contained', 'concealends')
+call s:WithConceal('inlinecode', 'syn region pandocNoFormattedInStrong matchgroup=pandocOperator start=/\\\@<!``/ end=/\\\@<!``/ nextgroup=pandocNoFormattedAttrs contained', 'concealends')
+syn match pandocNoFormattedAttrs /{.\{-}}/ contained
+" }}}3
+
+" Subscripts: {{{3
+syn region pandocSubscript start=/\~\(\([[:graph:]]\(\\ \)\=\)\{-}\~\)\@=/ end=/\~/ keepend
+call s:WithConceal('subscript', 'syn match pandocSubscriptMark /\~/ contained containedin=pandocSubscript', 'conceal cchar='.s:cchars['sub'])
+" }}}3
+
+" Superscript: {{{3
+syn region pandocSuperscript start=/\^\(\([[:graph:]]\(\\ \)\=\)\{-}\^\)\@=/ skip=/\\ / end=/\^/ keepend
+call s:WithConceal('superscript', 'syn match pandocSuperscriptMark /\^/ contained containedin=pandocSuperscript', 'conceal cchar='.s:cchars['super'])
+" }}}3
+
+" Strikeout: {{{3
+syn region pandocStrikeout start=/\~\~/ end=/\~\~/ contains=@Spell,pandocAmpersandEscape keepend
+call s:WithConceal('strikeout', 'syn match pandocStrikeoutMark /\~\~/ contained containedin=pandocStrikeout', 'conceal cchar='.s:cchars['strike'])
+" }}}3
+
+" }}}2
+
+" Headers: {{{2
+syn match pandocAtxHeader /\(\%^\|<.\+>.*\n\|^\s*\n\)\@<=#\{1,6}.*\n/ contains=pandocEmphasis,pandocStrong,pandocNoFormatted,pandocLaTeXInlineMath,pandocEscapedDollar,@Spell,pandocAmpersandEscape,pandocReferenceLabel,pandocReferenceURL display
+syn match pandocAtxHeaderMark /\(^#\{1,6}\|\\\@<!#\+\(\s*.*$\)\@=\)/ contained containedin=pandocAtxHeader
+call s:WithConceal('atx', 'syn match pandocAtxStart /#/ contained containedin=pandocAtxHeaderMark', 'conceal cchar='.s:cchars['atx'])
+syn match pandocSetexHeader /^.\+\n[=]\+$/ contains=pandocEmphasis,pandocStrong,pandocNoFormatted,pandocLaTeXInlineMath,pandocEscapedDollar,@Spell,pandocAmpersandEscape
+syn match pandocSetexHeader /^.\+\n[-]\+$/ contains=pandocEmphasis,pandocStrong,pandocNoFormatted,pandocLaTeXInlineMath,pandocEscapedDollar,@Spell,pandocAmpersandEscape
+syn match pandocHeaderAttr /{.*}/ contained containedin=pandocAtxHeader,pandocSetexHeader
+syn match pandocHeaderID /#[-_:.[:lower:][:upper:]]*/ contained containedin=pandocHeaderAttr
+" }}}2
+
+" Line Blocks: {{{2
+syn region pandocLineBlock start=/^|/ end=/\(^|\(.*\n|\@!\)\@=.*\)\@<=\n/ transparent
+syn match pandocLineBlockDelimiter /^|/ contained containedin=pandocLineBlock
+" }}}2
+
+" Tables: {{{2
+
+" Simple: {{{3
+syn region pandocSimpleTable start=/\%#=2\(^.*[[:graph:]].*\n\)\@<!\(^.*[[:graph:]].*\n\)\(-\{2,}\s*\)\+\n\n\@!/ end=/\n\n/ containedin=ALLBUT,pandocDelimitedCodeBlock,pandocDelimitedCodeBlockStart,pandocYAMLHeader keepend
+syn match pandocSimpleTableDelims /\-/ contained containedin=pandocSimpleTable
+syn match pandocSimpleTableHeader /\%#=2\(^.*[[:graph:]].*\n\)\@<!\(^.*[[:graph:]].*\n\)/ contained containedin=pandocSimpleTable
+
+syn region pandocTable start=/\%#=2^\(-\{2,}\s*\)\+\n\n\@!/ end=/\%#=2^\(-\{2,}\s*\)\+\n\n/ containedin=ALLBUT,pandocDelimitedCodeBlock,pandocYAMLHeader keepend
+syn match pandocTableDelims /\-/ contained containedin=pandocTable
+syn region pandocTableMultilineHeader start=/\%#=2\(^-\{2,}\n\)\@<=./ end=/\%#=2\n-\@=/ contained containedin=pandocTable
+" }}}3
+
+" Grid: {{{3
+syn region pandocGridTable start=/\%#=2\n\@1<=+-/ end=/+\n\n/ containedin=ALLBUT,pandocDelimitedCodeBlock,pandocYAMLHeader keepend
+syn match pandocGridTableDelims /[\|=]/ contained containedin=pandocGridTable
+syn match pandocGridTableDelims /\%#=2\([\-+][\-+=]\@=\|[\-+=]\@1<=[\-+]\)/ contained containedin=pandocGridTable
+syn match pandocGridTableHeader /\%#=2\(^.*\n\)\(+=.*\)\@=/ contained containedin=pandocGridTable
+" }}}3
+
+" Pipe: {{{3
+" with beginning and end pipes
+syn region pandocPipeTable start=/\%#=2\([+|]\n\)\@<!\n\@1<=|\(.*|\)\@=/ end=/|.*\n\(\n\|{\)/ containedin=ALLBUT,pandocDelimitedCodeBlock,pandocYAMLHeader keepend
+" without beginning and end pipes
+syn region pandocPipeTable start=/\%#=2^.*\n-.\{-}|/ end=/|.*\n\n/ keepend
+syn match pandocPipeTableDelims /[\|\-:+]/ contained containedin=pandocPipeTable
+syn match pandocPipeTableHeader /\(^.*\n\)\(|-\)\@=/ contained containedin=pandocPipeTable
+syn match pandocPipeTableHeader /\(^.*\n\)\(-\)\@=/ contained containedin=pandocPipeTable
+" }}}3
+
+syn match pandocTableHeaderWord /\<.\{-}\>/ contained containedin=pandocGridTableHeader,pandocPipeTableHeader contains=@Spell
+" }}}2
+
+" Delimited Code Blocks: {{{2
+" this is here because we can override strikeouts and subscripts
+syn region pandocDelimitedCodeBlock start=/^\(>\s\)\?\z(\([ ]\+\|\t\)\=\~\{3,}\~*\)/ end=/^\z1\~*/ skipnl contains=pandocDelimitedCodeBlockStart,pandocDelimitedCodeBlockEnd keepend
+syn region pandocDelimitedCodeBlock start=/^\(>\s\)\?\z(\([ ]\+\|\t\)\=`\{3,}`*\)/ end=/^\z1`*/ skipnl contains=pandocDelimitedCodeBlockStart,pandocDelimitedCodeBlockEnd keepend
+call s:WithConceal('codeblock_start', 'syn match pandocDelimitedCodeBlockStart /\(\(\_^\n\_^\|\%^\)\(>\s\)\?\( \+\|\t\)\=\)\@<=\(\~\{3,}\~*\|`\{3,}`*\)/ contained containedin=pandocDelimitedCodeBlock nextgroup=pandocDelimitedCodeBlockLanguage', 'conceal cchar='.s:cchars['codelang'])
+syn match pandocDelimitedCodeBlockLanguage /\(\s\?\)\@<=.\+\(\_$\)\@=/ contained
+call s:WithConceal('codeblock_delim', 'syn match pandocDelimitedCodeBlockEnd /\(`\{3,}`*\|\~\{3,}\~*\)\(\_$\n\(>\s\)\?\_$\)\@=/ contained containedin=pandocDelimitedCodeBlock', 'conceal cchar='.s:cchars['codeend'])
+syn match pandocBlockQuoteinDelimitedCodeBlock '^>' contained containedin=pandocDelimitedCodeBlock
+syn match pandocCodePre /<pre>.\{-}<\/pre>/ skipnl
+syn match pandocCodePre /<code>.\{-}<\/code>/ skipnl
+
+" enable highlighting for embedded region in codeblocks if there exists a
+" g:pandoc#syntax#codeblocks#embeds#langs *list*.
+"
+" entries in this list are the language code interpreted by pandoc,
+" if this differs from the name of the vim syntax file, append =vimname
+" e.g. let g:pandoc#syntax#codeblocks#embeds#langs = ["haskell", "literatehaskell=lhaskell"]
+"
+if g:pandoc#syntax#codeblocks#embeds#use != 0
+    for l in g:pandoc#syntax#codeblocks#embeds#langs
+      call EnableEmbedsforCodeblocksWithLang(l)
+    endfor
+endif
+" }}}2
+
+" Abbreviations: {{{2
+syn region pandocAbbreviationDefinition start=/^\*\[.\{-}\]:\s*/ end='$' contains=pandocNoFormatted,@Spell,pandocAmpersandEscape
+call s:WithConceal('abbrev', 'syn match pandocAbbreviationSeparator /:/ contained containedin=pandocAbbreviationDefinition', 'conceal cchar='.s:cchars['abbrev'])
+syn match pandocAbbreviation /\*\[.\{-}\]/ contained containedin=pandocAbbreviationDefinition
+call s:WithConceal('abbrev', 'syn match pandocAbbreviationHead /\*\[/ contained containedin=pandocAbbreviation', 'conceal')
+call s:WithConceal('abbrev', 'syn match pandocAbbreviationTail /\]/ contained containedin=pandocAbbreviation', 'conceal')
+" }}}2
+
+" Footnotes: {{{2
+" we put these here not to interfere with superscripts.
+syn match pandocFootnoteID /\[\^[^\]]\+\]/ nextgroup=pandocFootnoteDef
+
+"   Inline footnotes
+syn region pandocFootnoteDef start=/\^\[/ skip=/\[.\{-}]/ end=/\]/ contains=pandocReferenceLabel,pandocReferenceURL,pandocLatex,pandocPCite,pandocCiteKey,pandocStrong,pandocEmphasis,pandocStrongEmphasis,pandocNoFormatted,pandocSuperscript,pandocSubscript,pandocStrikeout,pandocEnDash,pandocEmDash,pandocEllipses,pandocBeginQuote,pandocEndQuote,@Spell,pandocAmpersandEscape skipnl keepend
+call s:WithConceal('footnote', 'syn match pandocFootnoteDefHead /\^\[/ contained containedin=pandocFootnoteDef', 'conceal cchar='.s:cchars['footnote'])
+call s:WithConceal('footnote', 'syn match pandocFootnoteDefTail /\]/ contained containedin=pandocFootnoteDef', 'conceal')
+
+" regular footnotes
+syn region pandocFootnoteBlock start=/\[\^.\{-}\]:\s*\n*/ end=/^\n^\s\@!/ contains=pandocReferenceLabel,pandocReferenceURL,pandocLatex,pandocPCite,pandocCiteKey,pandocStrong,pandocEmphasis,pandocNoFormatted,pandocSuperscript,pandocSubscript,pandocStrikeout,pandocEnDash,pandocEmDash,pandocNewLine,pandocStrongEmphasis,pandocEllipses,pandocBeginQuote,pandocEndQuote,pandocLaTeXInlineMath,pandocEscapedDollar,pandocLaTeXCommand,pandocLaTeXMathBlock,pandocLaTeXRegion,pandocAmpersandEscape,@Spell skipnl
+syn match pandocFootnoteBlockSeparator /:/ contained containedin=pandocFootnoteBlock
+syn match pandocFootnoteID /\[\^.\{-}\]/ contained containedin=pandocFootnoteBlock
+call s:WithConceal('footnote', 'syn match pandocFootnoteIDHead /\[\^/ contained containedin=pandocFootnoteID', 'conceal cchar='.s:cchars['footnote'])
+call s:WithConceal('footnote', 'syn match pandocFootnoteIDTail /\]/ contained containedin=pandocFootnoteID', 'conceal')
+" }}}2
+
+" List Items: {{{2
+" Unordered lists
+syn match pandocUListItem /^>\=\s*[*+-]\s\+-\@!.*$/ nextgroup=pandocUListItem,pandocLaTeXMathBlock,pandocLaTeXInlineMath,pandocEscapedDollar,pandocDelimitedCodeBlock,pandocListItemContinuation contains=@Spell,pandocEmphasis,pandocStrong,pandocNoFormatted,pandocStrikeout,pandocSubscript,pandocSuperscript,pandocStrongEmphasis,pandocStrongEmphasis,pandocPCite,pandocICite,pandocCiteKey,pandocReferenceLabel,pandocLaTeXCommand,pandocLaTeXMathBlock,pandocLaTeXInlineMath,pandocEscapedDollar,pandocReferenceURL,pandocAutomaticLink,pandocFootnoteDef,pandocFootnoteBlock,pandocFootnoteID,pandocAmpersandEscape skipempty display
+call s:WithConceal('list', 'syn match pandocUListItemBullet /^>\=\s*\zs[*+-]/ contained containedin=pandocUListItem', 'conceal cchar='.s:cchars['li'])
+
+" Ordered lists
+syn match pandocListItem /^\s*(\?\(\d\+\|\l\|\#\|@\)[.)].*$/ nextgroup=pandocListItem,pandocLaTeXMathBlock,pandocLaTeXInlineMath,pandocEscapedDollar,pandocDelimitedCodeBlock,pandocListItemContinuation contains=@Spell,pandocEmphasis,pandocStrong,pandocNoFormatted,pandocStrikeout,pandocSubscript,pandocSuperscript,pandocStrongEmphasis,pandocStrongEmphasis,pandocPCite,pandocICite,pandocCiteKey,pandocReferenceLabel,pandocLaTeXCommand,pandocLaTeXMathBlock,pandocLaTeXInlineMath,pandocEscapedDollar,pandocAutomaticLink,pandocFootnoteDef,pandocFootnoteBlock,pandocFootnoteID,pandocAmpersandEscape skipempty display
+
+" support for roman numerals up to 'c'
+if g:pandoc#syntax#roman_lists != 0
+    syn match pandocListItem /^\s*(\?x\=l\=\(i\{,3}[vx]\=\)\{,3}c\{,3}[.)].*$/ nextgroup=pandocListItem,pandocMathBlock,pandocLaTeXInlineMath,pandocEscapedDollar,pandocDelimitedCodeBlock,pandocListItemContinuation,pandocAutomaticLink skipempty display
+endif
+syn match pandocListItemBullet /^(\?.\{-}[.)]/ contained containedin=pandocListItem
+syn match pandocListItemBulletId /\(\d\+\|\l\|\#\|@.\{-}\|x\=l\=\(i\{,3}[vx]\=\)\{,3}c\{,3}\)/ contained containedin=pandocListItemBullet
+
+syn match pandocListItemContinuation /^\s\+\([-+*]\s\+\|(\?.\+[).]\)\@<!\([[:upper:][:lower:]_"[]\|\*\S\)\@=.*$/ nextgroup=pandocLaTeXMathBlock,pandocLaTeXInlineMath,pandocEscapedDollar,pandocDelimitedCodeBlock,pandocListItemContinuation,pandocListItem contains=@Spell,pandocEmphasis,pandocStrong,pandocNoFormatted,pandocStrikeout,pandocSubscript,pandocSuperscript,pandocStrongEmphasis,pandocStrongEmphasis,pandocPCite,pandocICite,pandocCiteKey,pandocReferenceLabel,pandocReferenceURL,pandocLaTeXCommand,pandocLaTeXMathBlock,pandocLaTeXInlineMath,pandocEscapedDollar,pandocAutomaticLink,pandocFootnoteDef,pandocFootnoteBlock,pandocFootnoteID,pandocAmpersandEscape contained skipempty display
+" }}}2
+
+" Definitions: {{{2
+if g:pandoc#syntax#use_definition_lists == 1
+    syn region pandocDefinitionBlock start=/^\%(\_^\s*\([`~]\)\1\{2,}\)\@!.*\n\(^\s*\n\)\=\s\{0,2}\([:~]\)\(\3\{2,}\3*\)\@!/ skip=/\n\n\zs\s/ end=/\n\n/ contains=pandocDefinitionBlockMark,pandocDefinitionBlockTerm,pandocCodeBlockInsideIndent,pandocEmphasis,pandocStrong,pandocStrongEmphasis,pandocNoFormatted,pandocStrikeout,pandocSubscript,pandocSuperscript,pandocFootnoteID,pandocReferenceURL,pandocReferenceLabel,pandocLaTeXMathBlock,pandocLaTeXInlineMath,pandocEscapedDollar,pandocAutomaticLink,pandocEmDash,pandocEnDash,pandocFootnoteDef,pandocFootnoteBlock,pandocFootnoteID
+    syn match pandocDefinitionBlockTerm /^.*\n\(^\s*\n\)\=\(\s*[:~]\)\@=/ contained contains=pandocNoFormatted,pandocEmphasis,pandocStrong,pandocLaTeXInlineMath,pandocEscapedDollar,pandocFootnoteDef,pandocFootnoteBlock,pandocFootnoteID nextgroup=pandocDefinitionBlockMark
+    call s:WithConceal('definition', 'syn match pandocDefinitionBlockMark /^\s*[:~]/ contained', 'conceal cchar='.s:cchars['definition'])
+endif
+" }}}2
+
+" Special: {{{2
+
+" New_lines: {{{3
+if g:pandoc#syntax#newlines == 1
+  call s:WithConceal('newline', 'syn match pandocNewLine /\%(\%(\S\)\@<= \{2,}\|\\\)$/ display containedin=pandocEmphasis,pandocStrong,pandocStrongEmphasis,pandocStrongInEmphasis,pandocEmphasisInStrong', 'conceal cchar='.s:cchars['newline'])
+endif
+" }}}3
+
+" Emdashes: {{{3
+if &encoding ==# 'utf-8'
+  call s:WithConceal('emdashes', 'syn match pandocEllipses /\([^-]\)\@<=---\([^-]\)\@=/ display', 'conceal cchar=—')
+endif
+" }}}3
+
+" Endashes: {{{3
+if &encoding ==# 'utf-8'
+  call s:WithConceal('endashes', 'syn match pandocEllipses /\([^-]\)\@<=--\([^-]\)\@=/ display', 'conceal cchar=–')
+endif
+" }}}3
+
+" Ellipses: {{{3
+if &encoding ==# 'utf-8'
+    call s:WithConceal('ellipses', 'syn match pandocEllipses /\.\.\./ display', 'conceal cchar=…')
+endif
+" }}}3
+
+" Quotes: {{{3
+if &encoding ==# 'utf-8'
+    call s:WithConceal('quotes', 'syn match pandocBeginQuote /"\</  containedin=pandocEmphasis,pandocStrong,pandocListItem,pandocListItemContinuation,pandocUListItem display', 'conceal cchar='.s:cchars['quote_s'])
+    call s:WithConceal('quotes', 'syn match pandocEndQuote /\(\>[[:punct:]]*\)\@<="[[:blank:][:punct:]\n]\@=/  containedin=pandocEmphasis,pandocStrong,pandocUListItem,pandocListItem,pandocListItemContinuation display', 'conceal cchar='.s:cchars['quote_e'])
+endif
+" }}}3
+
+" Hrule: {{{3
+syn match pandocHRule /^\s*\([*\-_]\)\s*\%(\1\s*\)\{2,}$/ display
+" }}}3
+
+" Backslashes: {{{3
+if g:pandoc#syntax#conceal#backslash == 1
+    syn match pandocBackslash /\v\\@<!\\((re)?newcommand)@!/ containedin=ALLBUT,pandocCodeblock,pandocCodeBlockInsideIndent,pandocNoFormatted,pandocNoFormattedInEmphasis,pandocNoFormattedInStrong,pandocDelimitedCodeBlock,pandocLineBlock,pandocYAMLHeader conceal
+endif
+" }}}3
+
+" &-escaped Special Characters: {{{3
+syn match pandocAmpersandEscape /\v\&(#\d+|#x\x+|[[:alnum:]]+)\;/ contains=NoSpell
+" }}}3
+
+" YAML: {{{2
+try
+    unlet! b:current_syntax
+    syn include @YAML syntax/yaml.vim
+catch /E484/
+endtry
+syn region pandocYAMLHeader start=/\%(\%^\|\_^\s*\n\)\@<=\_^-\{3}\ze\n.\+/ end=/^\([-.]\)\1\{2}$/ keepend contains=@YAML containedin=TOP
+" }}}2
+
+" }}}1
+
+" Styling: {{{1
+function! s:SetupPandocHighlights()
+
+  hi def link pandocOperator Operator
+
+  " override this for consistency
+  hi pandocTitleBlock term=italic gui=italic
+  hi def link pandocTitleBlockTitle Directory
+  hi def link pandocAtxHeader Title
+  hi def link pandocAtxStart Operator
+  hi def link pandocSetexHeader Title
+  hi def link pandocHeaderAttr Comment
+  hi def link pandocHeaderID Identifier
+
+  hi def link pandocLaTexSectionCmd texSection
+  hi def link pandocLaTeXDelimiter texDelimiter
+
+  hi def link pandocHTMLComment Comment
+  hi def link pandocHTMLCommentStart Delimiter
+  hi def link pandocHTMLCommentEnd Delimiter
+  hi def link pandocBlockQuote Comment
+  hi def link pandocBlockQuoteMark Comment
+  hi def link pandocAmpersandEscape Special
+
+  " if the user sets g:pandoc#syntax#codeblocks#ignore to contain
+  " a codeblock type, don't highlight it so that it remains Normal
+  if index(g:pandoc#syntax#codeblocks#ignore, 'definition') == -1
+    hi def link pandocCodeBlockInsideIndent String
+  endif
+
+  if index(g:pandoc#syntax#codeblocks#ignore, 'delimited') == -1
+    hi def link pandocDelimitedCodeBlock Special
+  endif
+
+  hi def link pandocDelimitedCodeBlockStart Delimiter
+  hi def link pandocDelimitedCodeBlockEnd Delimiter
+  hi def link pandocDelimitedCodeBlockLanguage Comment
+  hi def link pandocBlockQuoteinDelimitedCodeBlock pandocBlockQuote
+  hi def link pandocCodePre String
+
+  hi def link pandocLineBlockDelimiter Delimiter
+
+  hi def link pandocListItemBullet Operator
+  hi def link pandocUListItemBullet Operator
+  hi def link pandocListItemBulletId Identifier
+
+  hi def link pandocReferenceLabel Label
+  hi def link pandocReferenceURL Underlined
+  hi def link pandocLinkTip Identifier
+  hi def link pandocImageIcon Operator
+
+  hi def link pandocReferenceDefinition Operator
+  hi def link pandocReferenceDefinitionLabel Label
+  hi def link pandocReferenceDefinitionAddress Underlined
+  hi def link pandocReferenceDefinitionTip Identifier
+
+  hi def link pandocAutomaticLink Underlined
+
+  hi def link pandocDefinitionBlockTerm Identifier
+  hi def link pandocDefinitionBlockMark Operator
+
+  hi def link pandocSimpleTableDelims Delimiter
+  hi def link pandocSimpleTableHeader pandocStrong
+  hi def link pandocTableMultilineHeader pandocStrong
+  hi def link pandocTableDelims Delimiter
+  hi def link pandocGridTableDelims Delimiter
+  hi def link pandocGridTableHeader Delimiter
+  hi def link pandocPipeTableDelims Delimiter
+  hi def link pandocPipeTableHeader Delimiter
+  hi def link pandocTableHeaderWord pandocStrong
+
+  hi def link pandocAbbreviationHead Type
+  hi def link pandocAbbreviation Label
+  hi def link pandocAbbreviationTail Type
+  hi def link pandocAbbreviationSeparator Identifier
+  hi def link pandocAbbreviationDefinition Comment
+
+  hi def link pandocFootnoteID Label
+  hi def link pandocFootnoteIDHead Type
+  hi def link pandocFootnoteIDTail Type
+  hi def link pandocFootnoteDef Comment
+  hi def link pandocFootnoteDefHead Type
+  hi def link pandocFootnoteDefTail Type
+  hi def link pandocFootnoteBlock Comment
+  hi def link pandocFootnoteBlockSeparator Operator
+
+  hi def link pandocPCite Operator
+  hi def link pandocICite Operator
+  hi def link pandocCiteKey Label
+  hi def link pandocCiteAnchor Operator
+  hi def link pandocCiteLocator Operator
+
+  if g:pandoc#syntax#style#emphases == 1
+      hi pandocEmphasis gui=italic cterm=italic
+      hi pandocStrong gui=bold cterm=bold
+      hi pandocStrongEmphasis gui=bold,italic cterm=bold,italic
+      hi pandocStrongInEmphasis gui=bold,italic cterm=bold,italic
+      hi pandocEmphasisInStrong gui=bold,italic cterm=bold,italic
+      if !exists('s:hi_tail')
+          let s:fg = '' " Vint can't figure ou these get set dynamically
+          let s:bg = '' " so initialize them manually first
+          for s:i in ['fg', 'bg']
+              let s:tmp_val = synIDattr(synIDtrans(hlID('String')), s:i)
+              let s:tmp_ui =  has('gui_running') || (has('termguicolors') && &termguicolors) ? 'gui' : 'cterm'
+              if !empty(s:tmp_val) && s:tmp_val != -1
+                  exe 'let s:'.s:i . ' = "'.s:tmp_ui.s:i.'='.s:tmp_val.'"'
+              else
+                  exe 'let s:'.s:i . ' = ""'
+              endif
+          endfor
+          let s:hi_tail = ' '.s:fg.' '.s:bg
+      endif
+      exe 'hi pandocNoFormattedInEmphasis gui=italic cterm=italic'.s:hi_tail
+      exe 'hi pandocNoFormattedInStrong gui=bold cterm=bold'.s:hi_tail
+  endif
+  hi def link pandocNoFormatted String
+  hi def link pandocNoFormattedAttrs Comment
+  hi def link pandocSubscriptMark Operator
+  hi def link pandocSuperscriptMark Operator
+  hi def link pandocStrikeoutMark Operator
+  if g:pandoc#syntax#style#underline_special == 1
+      hi pandocSubscript gui=underline cterm=underline
+      hi pandocSuperscript gui=underline cterm=underline
+      hi pandocStrikeout gui=underline cterm=underline
+  endif
+  hi def link pandocNewLine Error
+  hi def link pandocHRule Delimiter
+endfunction
+
+call s:SetupPandocHighlights()
+
+" }}}1
+
+let b:current_syntax = 'pandoc'
+
+syntax sync clear
+syntax sync minlines=1000
+
+let &cpo = s:cpo_save
+unlet s:cpo_save
+
+" vim: set fdm=marker foldlevel=0:
diff --git a/runtime/syntax/requirements.vim b/runtime/syntax/requirements.vim
new file mode 100644
index 0000000..a87d1e9
--- /dev/null
+++ b/runtime/syntax/requirements.vim
@@ -0,0 +1,67 @@
+" the Requirements File Format syntax support for Vim
+" Version: 1.8.0
+" Author:  raimon <raimon49@hotmail.com>
+" Upstream: https://github.com/raimon49/requirements.txt.vim
+" License: MIT LICENSE
+" The MIT License (MIT)
+"
+" Copyright (c) 2015 raimon
+"
+" Permission is hereby granted, free of charge, to any person obtaining a copy
+" of this software and associated documentation files (the "Software"), to deal
+" in the Software without restriction, including without limitation the rights
+" to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+" copies of the Software, and to permit persons to whom the Software is
+" furnished to do so, subject to the following conditions:
+"
+" The above copyright notice and this permission notice shall be included in all
+" copies or substantial portions of the Software.
+"
+" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+" IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+" FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+" AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+" LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+" OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+" SOFTWARE.
+
+if exists("b:current_syntax") && b:current_syntax == "requirements"
+    finish
+endif
+
+syn case match
+
+" https://pip.pypa.io/en/stable/reference/requirements-file-format/
+" https://pip.pypa.io/en/stable/reference/inspect-report/#example
+syn keyword requirementsKeyword implementation_name implementation_version os_name platform_machine platform_release platform_system platform_version python_full_version platform_python_implementation python_version sys_platform contained
+syn region requirementsSubst matchgroup=requirementsSubstDelim start="\V${" end="\V}"
+syn region requirementsString matchgroup=requirementsStringDelim start=`'` skip=`\\'` end=`'`
+syn region requirementsString matchgroup=requirementsStringDelim start=`"` skip=`\\"` end=`"`
+syn match requirementsVersion "\v\d+[a-zA-Z0-9\.\-\*]*"
+syn region requirementsComment start="[ \t]*#" end="$"
+syn match requirementsCommandOption "\v^\[?--?[a-zA-Z\-]*\]?"
+syn match requirementsVersionSpecifiers "\v(\=\=\=?|\<\=?|\>\=?|\~\=|\!\=)"
+syn match requirementsPackageName "\v^([a-zA-Z0-9][a-zA-Z0-9\-_\.]*[a-zA-Z0-9])"
+syn match requirementsExtras "\v\[\S+\]"
+syn match requirementsVersionControls "\v(git\+?|hg\+|svn\+|bzr\+).*://.\S+"
+syn match requirementsURLs "\v(\@\s)?(https?|ftp|gopher)://?[^\s/$.?#].\S*"
+syn match requirementsEnvironmentMarkers "\v;\s[^#]+" contains=requirementsKeyword,requirementsVersionSpecifiers,requirementsString
+
+hi def link requirementsKeyword Keyword
+hi def link requirementsSubstDelim Delimiter
+hi def link requirementsSubst PreProc
+hi def link requirementsStringDelim Delimiter
+hi def link requirementsString String
+hi def link requirementsVersion Number
+hi def link requirementsComment Comment
+hi def link requirementsCommandOption Special
+hi def link requirementsVersionSpecifiers Boolean
+hi def link requirementsPackageName Identifier
+hi def link requirementsExtras Type
+hi def link requirementsVersionControls Underlined
+hi def link requirementsURLs Underlined
+hi def link requirementsEnvironmentMarkers Macro
+
+let b:current_syntax = "requirements"
+
+" vim: et sw=4 ts=4 sts=4:
diff --git a/runtime/syntax/sshconfig.vim b/runtime/syntax/sshconfig.vim
index 750289d..99e10fd 100644
--- a/runtime/syntax/sshconfig.vim
+++ b/runtime/syntax/sshconfig.vim
@@ -63,8 +63,7 @@ syn keyword sshconfigMAC hmac-sha2-256
 syn keyword sshconfigMAC hmac-sha2-512
 syn keyword sshconfigMAC hmac-md5
 syn keyword sshconfigMAC hmac-md5-96
-syn keyword sshconfigMAC hmac-ripemd160
-syn match   sshconfigMAC "\<hmac-ripemd160@openssh\.com\>"
+syn match   sshconfigMAC "\<hmac-ripemd160\%(@openssh\.com\)\?\>"
 syn match   sshconfigMAC "\<umac-64@openssh\.com\>"
 syn match   sshconfigMAC "\<umac-128@openssh\.com\>"
 syn match   sshconfigMAC "\<hmac-sha1-etm@openssh\.com\>"
@@ -107,33 +106,35 @@ syn keyword sshconfigSysLogFacility DAEMON USER AUTH AUTHPRIV LOCAL0 LOCAL1
 syn keyword sshconfigSysLogFacility LOCAL2 LOCAL3 LOCAL4 LOCAL5 LOCAL6 LOCAL7
 syn keyword sshconfigAddressFamily  inet inet6
 
-syn match   sshconfigIPQoS	"af1[123]"
-syn match   sshconfigIPQoS	"af2[123]"
-syn match   sshconfigIPQoS	"af3[123]"
-syn match   sshconfigIPQoS	"af4[123]"
-syn match   sshconfigIPQoS	"cs[0-7]"
-syn keyword sshconfigIPQoS	ef lowdelay throughput reliability
+syn match   sshconfigIPQoS	"\<af[1-4][1-3]\>"
+syn match   sshconfigIPQoS	"\<cs[0-7]\>"
+syn keyword sshconfigIPQoS	ef le lowdelay throughput reliability
 syn keyword sshconfigKbdInteractive bsdauth pam skey
 
 syn keyword sshconfigKexAlgo diffie-hellman-group1-sha1
 syn keyword sshconfigKexAlgo diffie-hellman-group14-sha1
 syn keyword sshconfigKexAlgo diffie-hellman-group-exchange-sha1
 syn keyword sshconfigKexAlgo diffie-hellman-group-exchange-sha256
+syn keyword sshconfigKexAlgo diffie-hellman-group16-sha512
+syn keyword sshconfigKexAlgo diffie-hellman-group18-sha512
+syn keyword sshconfigKexAlgo diffie-hellman-group14-sha256
 syn keyword sshconfigKexAlgo ecdh-sha2-nistp256
 syn keyword sshconfigKexAlgo ecdh-sha2-nistp384
 syn keyword sshconfigKexAlgo ecdh-sha2-nistp521
-syn match sshconfigKexAlgo "\<curve25519-sha256@libssh\.org\>"
+syn match sshconfigKexAlgo "\<curve25519-sha256\%(@libssh\.org\)\?\>"
+syn match sshconfigKexAlgo "\<sntrup761x25519-sha512@openssh\.com\>"
 
 syn keyword sshconfigTunnel	point-to-point ethernet
 
-syn match sshconfigVar "%[rhplLdun]\>"
+syn match sshconfigVar "%[CdfHhIijKkLlnprTtu]\>"
+syn match sshconfigVar "%%"
 syn match sshconfigSpecial "[*?]"
-syn match sshconfigNumber "\d\+"
+syn match sshconfigNumber "\<\d\+\>"
 syn match sshconfigHostPort "\<\(\d\{1,3}\.\)\{3}\d\{1,3}\(:\d\+\)\?\>"
 syn match sshconfigHostPort "\<\([-a-zA-Z0-9]\+\.\)\+[-a-zA-Z0-9]\{2,}\(:\d\+\)\?\>"
 syn match sshconfigHostPort "\<\(\x\{,4}:\)\+\x\{,4}[:/]\d\+\>"
-syn match sshconfigHostPort "\(Host \)\@<=.\+"
-syn match sshconfigHostPort "\(HostName \)\@<=.\+"
+syn match sshconfigHostPort "\<\c\(Host \+\)\@<=.\+"
+syn match sshconfigHostPort "\<\c\(Hostname \+\)\@<=.\+"
 
 " case off
 syn case ignore
@@ -142,10 +143,10 @@ syn case ignore
 " Keywords
 syn keyword sshconfigHostSect Host
 
-syn keyword sshconfigMatch canonical final exec host originalhost user localuser all
+syn keyword sshconfigMatch canonical final exec localnetwork host originalhost tagged user localuser all
 
-syn keyword sshconfigKeyword AddressFamily
 syn keyword sshconfigKeyword AddKeysToAgent
+syn keyword sshconfigKeyword AddressFamily
 syn keyword sshconfigKeyword BatchMode
 syn keyword sshconfigKeyword BindAddress
 syn keyword sshconfigKeyword BindInterface
@@ -157,16 +158,18 @@ syn keyword sshconfigKeyword CanonicalizePermittedCNAMEs
 syn keyword sshconfigKeyword CASignatureAlgorithms
 syn keyword sshconfigKeyword CertificateFile
 syn keyword sshconfigKeyword ChallengeResponseAuthentication
+syn keyword sshconfigKeyword ChannelTimeout
 syn keyword sshconfigKeyword CheckHostIP
 syn keyword sshconfigKeyword Ciphers
 syn keyword sshconfigKeyword ClearAllForwardings
 syn keyword sshconfigKeyword Compression
-syn keyword sshconfigKeyword ConnectTimeout
 syn keyword sshconfigKeyword ConnectionAttempts
+syn keyword sshconfigKeyword ConnectTimeout
 syn keyword sshconfigKeyword ControlMaster
 syn keyword sshconfigKeyword ControlPath
 syn keyword sshconfigKeyword ControlPersist
 syn keyword sshconfigKeyword DynamicForward
+syn keyword sshconfigKeyword EnableEscapeCommandline
 syn keyword sshconfigKeyword EnableSSHKeysign
 syn keyword sshconfigKeyword EscapeChar
 syn keyword sshconfigKeyword ExitOnForwardFailure
@@ -176,18 +179,17 @@ syn keyword sshconfigKeyword ForwardAgent
 syn keyword sshconfigKeyword ForwardX11
 syn keyword sshconfigKeyword ForwardX11Timeout
 syn keyword sshconfigKeyword ForwardX11Trusted
-syn keyword sshconfigKeyword GSSAPIAuthentication
-syn keyword sshconfigKeyword GSSAPIDelegateCredentials
 syn keyword sshconfigKeyword GatewayPorts
 syn keyword sshconfigKeyword GlobalKnownHostsFile
+syn keyword sshconfigKeyword GSSAPIAuthentication
+syn keyword sshconfigKeyword GSSAPIDelegateCredentials
 syn keyword sshconfigKeyword HashKnownHosts
-syn keyword sshconfigKeyword HostKeyAlgorithms
-syn keyword sshconfigKeyword HostKeyAlias
-syn keyword sshconfigKeyword HostName
-syn keyword sshconfigKeyword HostbasedAuthentication
 syn keyword sshconfigKeyword HostbasedAcceptedAlgorithms
+syn keyword sshconfigKeyword HostbasedAuthentication
 syn keyword sshconfigKeyword HostbasedKeyTypes
-syn keyword sshconfigKeyword IPQoS
+syn keyword sshconfigKeyword HostKeyAlgorithms
+syn keyword sshconfigKeyword HostKeyAlias
+syn keyword sshconfigKeyword Hostname
 syn keyword sshconfigKeyword IdentitiesOnly
 syn keyword sshconfigKeyword IdentityAgent
 syn keyword sshconfigKeyword IdentityFile
@@ -206,15 +208,16 @@ syn keyword sshconfigKeyword MACs
 syn keyword sshconfigKeyword Match
 syn keyword sshconfigKeyword NoHostAuthenticationForLocalhost
 syn keyword sshconfigKeyword NumberOfPasswordPrompts
-syn keyword sshconfigKeyword PKCS11Provider
+syn keyword sshconfigKeyword ObscureKeystrokeTiming
 syn keyword sshconfigKeyword PasswordAuthentication
 syn keyword sshconfigKeyword PermitLocalCommand
 syn keyword sshconfigKeyword PermitRemoteOpen
+syn keyword sshconfigKeyword PKCS11Provider
 syn keyword sshconfigKeyword Port
 syn keyword sshconfigKeyword PreferredAuthentications
 syn keyword sshconfigKeyword ProxyCommand
 syn keyword sshconfigKeyword ProxyJump
-syn keyword sshconfigKeyword ProxyUseFDPass
+syn keyword sshconfigKeyword ProxyUseFdpass
 syn keyword sshconfigKeyword PubkeyAcceptedAlgorithms
 syn keyword sshconfigKeyword PubkeyAcceptedKeyTypes
 syn keyword sshconfigKeyword PubkeyAuthentication
@@ -229,18 +232,19 @@ syn keyword sshconfigKeyword SendEnv
 syn keyword sshconfigKeyword ServerAliveCountMax
 syn keyword sshconfigKeyword ServerAliveInterval
 syn keyword sshconfigKeyword SessionType
-syn keyword sshconfigKeyword SmartcardDevice
 syn keyword sshconfigKeyword SetEnv
+syn keyword sshconfigKeyword SmartcardDevice
 syn keyword sshconfigKeyword StdinNull
 syn keyword sshconfigKeyword StreamLocalBindMask
 syn keyword sshconfigKeyword StreamLocalBindUnlink
 syn keyword sshconfigKeyword StrictHostKeyChecking
 syn keyword sshconfigKeyword SyslogFacility
+syn keyword sshconfigKeyword Tag
 syn keyword sshconfigKeyword TCPKeepAlive
 syn keyword sshconfigKeyword Tunnel
 syn keyword sshconfigKeyword TunnelDevice
-syn keyword sshconfigKeyword UseBlacklistedKeys
 syn keyword sshconfigKeyword UpdateHostKeys
+syn keyword sshconfigKeyword UseBlacklistedKeys
 syn keyword sshconfigKeyword User
 syn keyword sshconfigKeyword UserKnownHostsFile
 syn keyword sshconfigKeyword VerifyHostKeyDNS
@@ -268,9 +272,9 @@ syn keyword sshconfigDeprecated UsePrivilegedPort
 hi def link sshconfigComment        Comment
 hi def link sshconfigTodo           Todo
 hi def link sshconfigHostPort       sshconfigConstant
-hi def link sshconfigNumber         sshconfigConstant
+hi def link sshconfigNumber         Number
 hi def link sshconfigConstant       Constant
-hi def link sshconfigYesNo          sshconfigEnum
+hi def link sshconfigYesNo          Boolean
 hi def link sshconfigCipher         sshconfigDeprecated
 hi def link sshconfigCiphers        sshconfigEnum
 hi def link sshconfigMAC            sshconfigEnum
diff --git a/runtime/syntax/sshdconfig.vim b/runtime/syntax/sshdconfig.vim
index c0d9c3f..8b539d9 100644
--- a/runtime/syntax/sshdconfig.vim
+++ b/runtime/syntax/sshdconfig.vim
@@ -64,8 +64,7 @@ syn keyword sshdconfigMAC hmac-sha2-256
 syn keyword sshdconfigMAC hmac-sha2-512
 syn keyword sshdconfigMAC hmac-md5
 syn keyword sshdconfigMAC hmac-md5-96
-syn keyword sshdconfigMAC hmac-ripemd160
-syn match   sshdconfigMAC "\<hmac-ripemd160@openssh\.com\>"
+syn match   sshdconfigMAC "\<hmac-ripemd160\%(@openssh\.com\)\?\>"
 syn match   sshdconfigMAC "\<umac-64@openssh\.com\>"
 syn match   sshdconfigMAC "\<umac-128@openssh\.com\>"
 syn match   sshdconfigMAC "\<hmac-sha1-etm@openssh\.com\>"
@@ -108,12 +107,9 @@ syn keyword sshdconfigSysLogFacility LOCAL2 LOCAL3 LOCAL4 LOCAL5 LOCAL6 LOCAL7
 
 syn keyword sshdconfigCompression    delayed
 
-syn match   sshdconfigIPQoS	"af1[123]"
-syn match   sshdconfigIPQoS	"af2[123]"
-syn match   sshdconfigIPQoS	"af3[123]"
-syn match   sshdconfigIPQoS	"af4[123]"
-syn match   sshdconfigIPQoS	"cs[0-7]"
-syn keyword sshdconfigIPQoS	ef lowdelay throughput reliability
+syn match   sshdconfigIPQoS	"\<af[1-4][1-3]\>"
+syn match   sshdconfigIPQoS	"\<cs[0-7]\>"
+syn keyword sshdconfigIPQoS	ef le lowdelay throughput reliability
 
 syn keyword sshdconfigKexAlgo diffie-hellman-group1-sha1
 syn keyword sshdconfigKexAlgo diffie-hellman-group14-sha1
@@ -125,20 +121,20 @@ syn keyword sshdconfigKexAlgo diffie-hellman-group-exchange-sha256
 syn keyword sshdconfigKexAlgo ecdh-sha2-nistp256
 syn keyword sshdconfigKexAlgo ecdh-sha2-nistp384
 syn keyword sshdconfigKexAlgo ecdh-sha2-nistp521
-syn keyword sshdconfigKexAlgo curve25519-sha256
-syn match sshdconfigKexAlgo "\<curve25519-sha256@libssh\.org\>"
+syn match sshdconfigKexAlgo "\<curve25519-sha256\%(@libssh\.org\)\?\>"
 syn match sshdconfigKexAlgo "\<sntrup4591761x25519-sha512@tinyssh\.org\>"
+syn match sshdconfigKexAlgo "\<sntrup761x25519-sha512@openssh\.com\>"
 
 syn keyword sshdconfigTunnel	point-to-point ethernet
 
 syn keyword sshdconfigSubsystem internal-sftp
 
-syn match sshdconfigVar	    "%[hu]\>"
+syn match sshdconfigVar	    "%[CDFfhiKksTtUu]\>"
 syn match sshdconfigVar	    "%%"
 
 syn match sshdconfigSpecial "[*?]"
 
-syn match sshdconfigNumber "\d\+"
+syn match sshdconfigNumber "\<\d\+\>"
 syn match sshdconfigHostPort "\<\(\d\{1,3}\.\)\{3}\d\{1,3}\(:\d\+\)\?\>"
 syn match sshdconfigHostPort "\<\([-a-zA-Z0-9]\+\.\)\+[-a-zA-Z0-9]\{2,}\(:\d\+\)\?\>"
 " FIXME: this matches quite a few things which are NOT valid IPv6 addresses
@@ -162,15 +158,16 @@ syn keyword sshdconfigKeyword AllowStreamLocalForwarding
 syn keyword sshdconfigKeyword AllowTcpForwarding
 syn keyword sshdconfigKeyword AllowUsers
 syn keyword sshdconfigKeyword AuthenticationMethods
-syn keyword sshdconfigKeyword AuthorizedKeysFile
 syn keyword sshdconfigKeyword AuthorizedKeysCommand
 syn keyword sshdconfigKeyword AuthorizedKeysCommandUser
+syn keyword sshdconfigKeyword AuthorizedKeysFile
 syn keyword sshdconfigKeyword AuthorizedPrincipalsCommand
 syn keyword sshdconfigKeyword AuthorizedPrincipalsCommandUser
 syn keyword sshdconfigKeyword AuthorizedPrincipalsFile
 syn keyword sshdconfigKeyword Banner
 syn keyword sshdconfigKeyword CASignatureAlgorithms
 syn keyword sshdconfigKeyword ChallengeResponseAuthentication
+syn keyword sshdconfigKeyword ChannelTimeout
 syn keyword sshdconfigKeyword ChrootDirectory
 syn keyword sshdconfigKeyword Ciphers
 syn keyword sshdconfigKeyword ClientAliveCountMax
@@ -187,22 +184,22 @@ syn keyword sshdconfigKeyword GatewayPorts
 syn keyword sshdconfigKeyword GSSAPIAuthentication
 syn keyword sshdconfigKeyword GSSAPICleanupCredentials
 syn keyword sshdconfigKeyword GSSAPIEnablek5users
-syn keyword sshdconfigKeyword GSSAPIKeyExchange
 syn keyword sshdconfigKeyword GSSAPIKexAlgorithms
+syn keyword sshdconfigKeyword GSSAPIKeyExchange
 syn keyword sshdconfigKeyword GSSAPIStoreCredentialsOnRekey
 syn keyword sshdconfigKeyword GSSAPIStrictAcceptorCheck
-syn keyword sshdconfigKeyword HostCertificate
-syn keyword sshdconfigKeyword HostKey
-syn keyword sshdconfigKeyword HostKeyAgent
-syn keyword sshdconfigKeyword HostKeyAlgorithms
 syn keyword sshdconfigKeyword HostbasedAcceptedAlgorithms
 syn keyword sshdconfigKeyword HostbasedAcceptedKeyTypes
 syn keyword sshdconfigKeyword HostbasedAuthentication
 syn keyword sshdconfigKeyword HostbasedUsesNameFromPacketOnly
-syn keyword sshdconfigKeyword IPQoS
+syn keyword sshdconfigKeyword HostCertificate
+syn keyword sshdconfigKeyword HostKey
+syn keyword sshdconfigKeyword HostKeyAgent
+syn keyword sshdconfigKeyword HostKeyAlgorithms
 syn keyword sshdconfigKeyword IgnoreRhosts
 syn keyword sshdconfigKeyword IgnoreUserKnownHosts
 syn keyword sshdconfigKeyword Include
+syn keyword sshdconfigKeyword IPQoS
 syn keyword sshdconfigKeyword KbdInteractiveAuthentication
 syn keyword sshdconfigKeyword KerberosAuthentication
 syn keyword sshdconfigKeyword KerberosGetAFSToken
@@ -213,9 +210,9 @@ syn keyword sshdconfigKeyword KerberosUseKuserok
 syn keyword sshdconfigKeyword KexAlgorithms
 syn keyword sshdconfigKeyword KeyRegenerationInterval
 syn keyword sshdconfigKeyword ListenAddress
+syn keyword sshdconfigKeyword LoginGraceTime
 syn keyword sshdconfigKeyword LogLevel
 syn keyword sshdconfigKeyword LogVerbose
-syn keyword sshdconfigKeyword LoginGraceTime
 syn keyword sshdconfigKeyword MACs
 syn keyword sshdconfigKeyword Match
 syn keyword sshdconfigKeyword MaxAuthTries
@@ -223,8 +220,6 @@ syn keyword sshdconfigKeyword MaxSessions
 syn keyword sshdconfigKeyword MaxStartups
 syn keyword sshdconfigKeyword ModuliFile
 syn keyword sshdconfigKeyword PasswordAuthentication
-syn keyword sshdconfigKeyword PerSourceMaxStartups
-syn keyword sshdconfigKeyword PerSourceNetBlockSize
 syn keyword sshdconfigKeyword PermitBlacklistedKeys
 syn keyword sshdconfigKeyword PermitEmptyPasswords
 syn keyword sshdconfigKeyword PermitListen
@@ -234,6 +229,8 @@ syn keyword sshdconfigKeyword PermitTTY
 syn keyword sshdconfigKeyword PermitTunnel
 syn keyword sshdconfigKeyword PermitUserEnvironment
 syn keyword sshdconfigKeyword PermitUserRC
+syn keyword sshdconfigKeyword PerSourceMaxStartups
+syn keyword sshdconfigKeyword PerSourceNetBlockSize
 syn keyword sshdconfigKeyword PidFile
 syn keyword sshdconfigKeyword Port
 syn keyword sshdconfigKeyword PrintLastLog
@@ -243,23 +240,24 @@ syn keyword sshdconfigKeyword PubkeyAcceptedAlgorithms
 syn keyword sshdconfigKeyword PubkeyAcceptedKeyTypes
 syn keyword sshdconfigKeyword PubkeyAuthentication
 syn keyword sshdconfigKeyword PubkeyAuthOptions
-syn keyword sshdconfigKeyword RSAAuthentication
+syn keyword sshdconfigKeyword RDomain
 syn keyword sshdconfigKeyword RekeyLimit
 syn keyword sshdconfigKeyword RequiredRSASize
 syn keyword sshdconfigKeyword RevokedKeys
-syn keyword sshdconfigKeyword RDomain
 syn keyword sshdconfigKeyword RhostsRSAAuthentication
+syn keyword sshdconfigKeyword RSAAuthentication
 syn keyword sshdconfigKeyword SecurityKeyProvider
 syn keyword sshdconfigKeyword ServerKeyBits
 syn keyword sshdconfigKeyword SetEnv
 syn keyword sshdconfigKeyword ShowPatchLevel
-syn keyword sshdconfigKeyword StrictModes
 syn keyword sshdconfigKeyword StreamLocalBindMask
 syn keyword sshdconfigKeyword StreamLocalBindUnlink
+syn keyword sshdconfigKeyword StrictModes
 syn keyword sshdconfigKeyword Subsystem
 syn keyword sshdconfigKeyword SyslogFacility
 syn keyword sshdconfigKeyword TCPKeepAlive
 syn keyword sshdconfigKeyword TrustedUserCAKeys
+syn keyword sshdconfigKeyword UnusedConnectionTimeout
 syn keyword sshdconfigKeyword UseBlacklist
 syn keyword sshdconfigKeyword UseBlocklist
 syn keyword sshdconfigKeyword UseDNS
@@ -278,14 +276,13 @@ syn keyword sshdconfigKeyword XAuthLocation
 hi def link sshdconfigComment              Comment
 hi def link sshdconfigTodo                 Todo
 hi def link sshdconfigHostPort             sshdconfigConstant
-hi def link sshdconfigTime                 sshdconfigConstant
-hi def link sshdconfigNumber               sshdconfigConstant
+hi def link sshdconfigTime                 Number
+hi def link sshdconfigNumber               Number
 hi def link sshdconfigConstant             Constant
-hi def link sshdconfigYesNo                sshdconfigEnum
+hi def link sshdconfigYesNo                Boolean
 hi def link sshdconfigAddressFamily        sshdconfigEnum
 hi def link sshdconfigPrivilegeSeparation  sshdconfigEnum
 hi def link sshdconfigTcpForwarding        sshdconfigEnum
-hi def link sshdconfigRootLogin            sshdconfigEnum
 hi def link sshdconfigCiphers              sshdconfigEnum
 hi def link sshdconfigMAC                  sshdconfigEnum
 hi def link sshdconfigHostKeyAlgo          sshdconfigEnum
diff --git a/runtime/syntax/swayconfig.vim b/runtime/syntax/swayconfig.vim
index 69fe26d..55c5279 100644
--- a/runtime/syntax/swayconfig.vim
+++ b/runtime/syntax/swayconfig.vim
@@ -2,8 +2,8 @@
 " Language: sway config file
 " Original Author: Josef Litos (JosefLitos/i3config.vim)
 " Maintainer: James Eapen <james.eapen@vai.org>
-" Version: 1.0.2
-" Last Change: 2023-12-28
+" Version: 1.2.1
+" Last Change: 2024-04-14
 
 " References:
 " http://i3wm.org/docs/userguide.html#configuring
@@ -18,40 +18,33 @@ endif
 
 runtime! syntax/i3config.vim
 
-" i3 extensions
-syn keyword i3ConfigActionKeyword opacity urgent shortcuts_inhibitor splitv splith splitt contained
-syn keyword i3ConfigOption set plus minus allow deny csd v h t contained
+" Sway extensions to i3
+syn cluster i3ConfigCommand contains=i3ConfigCommand,i3ConfigAction,i3ConfigActionKeyword,@i3ConfigValue,i3ConfigColor,i3ConfigKeyword
+syn keyword i3ConfigActionKeyword opacity urgent shortcuts_inhibitor splitv splith splitt contained contained skipwhite nextgroup=i3ConfigOption
+syn keyword i3ConfigOption set plus minus allow deny csd v h t contained contained skipwhite nextgroup=i3ConfigOption,@i3ConfigValue
 
 syn keyword i3ConfigConditionProp app_id pid shell contained
 
 syn keyword i3ConfigWorkspaceDir prev_on_output next_on_output contained
 
-syn keyword swayConfigBindKeyword bindswitch bindgesture contained
-syn match i3ConfigBindArgument /--\(locked\|to-code\|no-repeat\|input-device=[:0-9a-zA-Z_/-]\+\|no-warn\)/ contained
-syn region i3ConfigBind start=/^\s*bind\(switch\|gesture\) / skip=/\\$/ end=/$/ contains=swayConfigBindKeyword,swayConfigBindswitch,swayConfigBindswitchArgument,swayConfigBindgesture,swayConfigBindgestureArgument,i3ConfigCriteria,i3ConfigAction,i3ConfigSeparator,i3ConfigActionKeyword,i3ConfigOption,i3ConfigString,i3ConfigNumber,i3ConfigVariable,i3ConfigBoolean keepend
+syn match i3ConfigBindArgument /--\(locked\|to-code\|no-repeat\|input-device=[^ '"]*\|no-warn\) / contained contains=i3ConfigShOper,@i3ConfigStrVar nextgroup=i3ConfigBindArgument,i3ConfigBindCombo
+syn region i3ConfigBindArgument start=/--input-device=['"]/ end=/\s/ contained contains=@i3ConfigIdent,i3ConfigShOper,i3ConfigString nextgroup=i3ConfigBindArgument,i3ConfigBindCombo
 
-syn match swayConfigBindBlockHeader /^\s*bind\(sym\|code\) .*{$/ contained contains=i3ConfigBindKeyword,i3ConfigBindArgument,i3ConfigParen
-syn match swayConfigBindBlockCombo /^\s\+\(--[a-z-]\+ \)*[$a-zA-Z0-9_+]\+ [a-z[]\@=/ contained contains=i3ConfigBindArgument,i3ConfigBindCombo
-syn region i3ConfigBind start=/^\s*bind\(sym\|code\) .*{$/ end=/^\s*}$/ contains=swayConfigBindBlockHeader,swayConfigBindBlockCombo,i3ConfigCriteria,i3ConfigAction,i3ConfigSeparator,i3ConfigActionKeyword,i3ConfigOption,i3ConfigString,i3ConfigNumber,i3ConfigVariable,i3ConfigBoolean,i3ConfigComment,i3ConfigParen fold keepend extend
-" fix for extra long bindsym blocks that would be parsed incorrectly when scrolling up
-syn region i3ConfigBlockOrphan start=/^\s\+\S/ skip=/^\s\|^$/ end=/^}\?/ contains=swayConfigBindBlockCombo,i3ConfigCriteria,i3ConfigAction,i3ConfigSeparator,i3ConfigActionKeyword,i3ConfigOption,i3ConfigString,i3ConfigNumber,i3ConfigVariable,i3ConfigBoolean,i3ConfigComment,i3ConfigParen keepend extend
+syn region i3ConfigBindCombo matchgroup=i3ConfigParen start=/{$/ end=/^\s*}$/ contained contains=i3ConfigBindArgument,i3ConfigBindCombo,i3ConfigComment fold keepend extend
+" hack for blocks with start outside parsing range
+syn region swayConfigBlockOrphan start=/^\s\+\(--[a-z-]\+ \)*[$a-zA-Z0-9_+]\+ [a-z[]/ skip=/\\$\|$\n^\s*}$/ end=/$/ contains=i3ConfigBindArgument,i3ConfigBindCombo,i3ConfigParen keepend extend
 
-syn keyword i3ConfigClientOpts focused_tab_title contained
-
-syn region swayConfigExecBlock start=/exec\(_always\)\? {/ end=/^}$/ contains=i3ConfigExecKeyword,i3ConfigExecAlwaysKeyword,i3ConfigShCommand,i3ConfigShDelim,i3ConfigShOper,i3ConfigShParam,i3ConfigNumber,i3ConfigString,i3ConfigVariable,i3ConfigComment fold keepend extend
+syn region i3ConfigExec start=/ {$/ end=/^}$/ contained contains=i3ConfigExecAction,@i3ConfigSh,i3ConfigComment fold keepend extend
 
 syn keyword swayConfigFloatingModifierOpts normal inverse contained
 syn match i3ConfigKeyword /^floating_modifier [$a-zA-Z0-9+]\+ \(normal\|inverse\)$/ contains=i3ConfigVariable,i3ConfigBindModkey,swayConfigFloatingModifierOpts
 
-syn keyword swayConfigSmartGapsOpts toggle contained
-syn match i3ConfigKeyword /^smart_gaps toggle$/ contains=i3ConfigSmartGapOpts,i3ConfigBoolean,swayConfigSmartGapsOpts
-
-syn keyword swayConfigFocusFollowsMouseOpts always contained
-syn match i3ConfigKeyword /^focus_follows_mouse always$/ contains=i3ConfigBoolean,swayConfigFocusFollowsMouseOpts
+syn match swayConfigI3Param /--i3/ contains=i3ConfigShParam skipwhite nextgroup=i3ConfigEdgeOpts
+syn keyword i3ConfigKeyword hide_edge_borders contained skipwhite nextgroup=swayConfigI3Param,i3ConfigEdgeOpts
 
-syn match i3ConfigKeyword /^hide_edge_borders --i3 \w*$/ contains=i3ConfigEdgeKeyword,i3ConfigShParam
-
-syn keyword i3ConfigBarOpts swaybar_command gaps height pango_markup status_edge_padding status_padding wrap_scroll tray_bindcode tray_bindsym icon_theme contained
+syn keyword i3ConfigBarOpts swaybar_command contained skipwhite nextgroup=@i3ConfigSh
+syn region i3ConfigBarOpts matchgroup=i3ConfigBarOpts start=/gaps/ end=/$/ contained contains=@i3ConfigNumVar
+syn keyword i3ConfigBarOpts height pango_markup status_edge_padding status_padding wrap_scroll tray_bindcode tray_bindsym icon_theme contained skipwhite nextgroup=i3ConfigBarOptVals,@i3ConfigValue,i3ConfigShOper
 syn keyword i3ConfigBarOptVals overlay contained
 
 syn keyword i3ConfigExecActionKeyword swaymsg contained
@@ -59,77 +52,88 @@ syn keyword i3ConfigExecActionKeyword swaymsg contained
 " Sway-only options
 " Xwayland
 syn keyword swayConfigXOpt enable disable force contained
-syn match i3ConfigKeyword /^xwayland \w*$/ contains=swayConfigXOpt
+syn keyword i3ConfigKeyword xwayland contained skipwhite nextgroup=swayConfigXOpt
 
 " Inhibit idle
-syn keyword swayConfigInhibitKeyword inhibit_idle contained
 syn keyword swayConfigInhibitOpts focus fullscreen open none visible contained
-syn match i3ConfigAction /inhibit_idle \w*/ contained contains=swayConfigInhibitKeyword,swayConfigInhibitOpts
+syn keyword i3ConfigActionKeyword inhibit_idle contained skipwhite nextgroup=swayConfigInhibitOpts
 
 " Bindswitch
-syn match swayConfigBindswitchArgument /--\(locked\|no-warn\|reload\)/ contained
-syn keyword swayConfigBindswitchType lid tablet contained
+syn match swayConfigBindswitchArgument /--\(locked\|no-warn\|reload\) / contained nextgroup=swayConfigBindswitchArgument,swayConfigBindswitchType
+syn keyword swayConfigBindswitchType lid tablet contained nextgroup=swayConfigBindswitchCombo
 syn keyword swayConfigBindswitchState toggle contained
-syn match swayConfigBindswitch /\(lid\|tablet\):\(on\|off\|toggle\) / contained contains=swayConfigBindswitchType,i3ConfigColonOperator,swayConfigBindswitchState,i3ConfigBoolean
-syn region i3ConfigBind start=/^\s*bindswitch\s\+.*{$/ end=/^\s*}$/ contains=swayConfigBindKeyword,swayConfigBindswitch,swayConfigBindswitchArgument,i3ConfigNumber,i3ConfigVariable,i3ConfigAction,i3ConfigActionKeyword,i3ConfigOption,i3ConfigSeparator,i3ConfigString,i3ConfigCriteria,swayConfigOutputCommand,i3ConfigBoolean,i3ConfigComment,i3ConfigParen fold keepend extend
+syn match swayConfigBindswitchCombo /:\(on\|off\|toggle\) / contained contains=i3ConfigColonOperator,swayConfigBindswitchState,i3ConfigBoolean nextgroup=i3ConfigBind
+syn region swayConfigBindswitchType matchgroup=i3ConfigParen start=/{$/ end=/^\s*}$/ contained contains=swayConfigBindswitchArgument,swayConfigBindswitchType,i3ConfigComment fold keepend extend
+syn keyword i3ConfigBindKeyword bindswitch contained skipwhite nextgroup=swayConfigBindswitchArgument,swayConfigBindswitchType
+" hack for blocks with start outside parsing range
+syn region swayConfigBlockOrphan start=/^\s\+\(lid\|tablet\):/ skip=/\\$\|$\n^\s*}$/ end=/$/ contains=swayConfigBindswitchArgument,swayConfigBindswitchType,i3ConfigParen keepend extend
 
 " Bindgesture
-syn match swayConfigBindgestureArgument /--\(exact\|input-device=[:0-9a-zA-Z_/-]\+\|no-warn\)/ contained
+syn match swayConfigBindgestureArgument /--\(exact\|input-device=[:0-9a-zA-Z_/-]\+\|no-warn\) / contained nextgroup=swayConfigBindgestureArgument,swayConfigBindgestureCombo
 syn keyword swayConfigBindgestureType hold swipe pinch contained
 syn keyword swayConfigBindgestureDir up down left right inward outward clockwise counterclockwise contained
-syn match swayConfigBindgesture /\(hold\(:[1-5]\)\?\|swipe\(:[3-5]\)\?\(:up\|:down\|:left\|:right\)\?\|pinch\(:[2-5]\)\?:\(+\?\(inward\|outward\|clockwise\|counterclockwise\|up\|down\|left\|right\)\)\+\) / contained contains=i3ConfigNumber,swayConfigBindgestureType,i3ConfigColonOperator,swayConfigBindgestureDir,i3ConfigBindModifier
-syn region i3ConfigBind start=/^\s*bindgesture\s\+.*{$/ end=/^\s*}$/ contains=swayConfigBindKeyword,swayConfigBindgesture,swayConfigBindgestureArgument,i3ConfigCriteria,i3ConfigAction,i3ConfigSeparator,i3ConfigActionKeyword,i3ConfigOption,i3ConfigString,i3ConfigNumber,i3ConfigVariable,i3ConfigBoolean,i3ConfigParen fold keepend extend
+syn match swayConfigBindgestureCombo /\(hold\(:[1-5]\)\?\|swipe\(:[3-5]\)\?\(:up\|:down\|:left\|:right\)\?\|pinch\(:[2-5]\)\?:\(+\?\(inward\|outward\|clockwise\|counterclockwise\|up\|down\|left\|right\)\)\+\) / contained contains=i3ConfigNumber,swayConfigBindgestureType,i3ConfigColonOperator,swayConfigBindgestureDir,i3ConfigBindModifier nextgroup=swayConfigBindgestureCombo,i3ConfigBind
+syn region swayConfigBindgestureCombo matchgroup=i3ConfigParen start=/{$/ end=/^\s*}$/ contained contains=swayConfigBindgestureArgument,swayConfigBindgestureCombo,i3ConfigComment fold keepend extend
+syn keyword i3ConfigBindKeyword bindgesture contained skipwhite nextgroup=swayConfigBindgestureArgument,swayConfigBindgestureCombo
+" hack for blocks with start outside parsing range
+syn region swayConfigBlockOrphan start=/^\s\+\(--[a-z-]\+ \)*\(hold\|swipe\|pinch\):/ skip=/\\$\|$\n^\s*}$/ end=/$/ contains=swayConfigBindgestureArgument,swayConfigBindgestureCombo,i3ConfigParen keepend extend
 
 " Tiling drag threshold
-syn match i3ConfigKeyword /^tiling_drag_threshold \d\+$/ contains=i3ConfigNumber
-
 " Titlebar commands
-syn match i3ConfigKeyword /^titlebar_border_thickness \(\d\+\|\$\S\+\)$/ contains=i3ConfigNumber,i3ConfigVariable
-syn match i3ConfigKeyword /^titlebar_padding \(\d\+\|\$\S\+\)\( \d\+\)\?$/ contains=i3ConfigNumber,i3ConfigVariable
+syn keyword i3ConfigKeyword tiling_drag_threshold titlebar_border_thickness contained skipwhite nextgroup=@i3ConfigNumVar
+syn match i3ConfigKeyword /^titlebar_padding \(\d\+\|\$\S\+\)\( \d\+\)\?$/ contains=@i3ConfigNumVar
 
-syn match swayConfigDeviceOps /[*,:;]/ contained
+syn match swayConfigDeviceOper /[*:;!]/ contained
 
 " Input devices
-syn keyword swayConfigInputKeyword input contained
-syn keyword swayConfigInputType touchpad pointer keyboard touch tablet_tool tablet_pad switch contained
-syn match swayConfigInputTypePair /\<type:\w\+\>/ contained contains=i3ConfigColonOperator,swayConfigInputType
-syn region swayConfigInputStart start=/^input / end=/\s/ contained contains=swayConfigInputKeyword,swayConfigInputTypePair,i3ConfigString keepend extend
-syn keyword swayConfigInputOpts xkb_layout xkb_variant xkb_rules xkb_switch_layout xkb_numlock xkb_file xkb_capslock xkb_model repeat_delay repeat_rate map_to_output map_to_region map_from_region tool_mode accel_profile dwt dwtp drag_lock drag click_method middle_emulation tap events calibration_matrix natural_scroll left_handed pointer_accel scroll_button scroll_factor scroll_method tap_button_map contained
-syn keyword swayConfigInputOptVals absolute relative adaptive flat none button_areas clickfinger toggle two_finger edge on_button_down lrm lmr next prev pen eraser brush pencil airbrush disabled_on_external_mouse disable contained
-syn match swayConfigXkbOptsPairVal /:[0-9a-z_-]\+/ contained contains=i3ConfigColonOperator
-syn match swayConfigXkbOptsPair /[a-z]\+:[0-9a-z_-]\+/ contained contains=swayConfigXkbOptsPairVal
-syn match swayConfigInputXkbOpts /xkb_options \([a-z]\+:[0-9a-z_-]\+,\?\)\+/ contained contains=swayConfigXkbOptsPair,swayConfigDeviceOps
-syn region i3ConfigAction start=/input/ skip=/\\$/ end=/\([,;]\|$\)/ contained contains=swayConfigInputStart,swayConfigInputXkbOpts,swayConfigInputOpts,swayConfigInputOptVals,i3ConfigVariable,i3ConfigNumber,i3ConfigBoolean,swayConfigDeviceOps keepend transparent
-syn region i3ConfigInput start=/^input/ skip=/\\$/ end=/$/ contains=swayConfigInputStart,swayConfigInputXkbOpts,swayConfigInputOpts,swayConfigInputOptVals,i3ConfigVariable,i3ConfigNumber,i3ConfigBoolean,swayConfigDeviceOps keepend
-syn region i3ConfigInput start=/^input .* {/ end=/}$/ contains=swayConfigInputStart,swayConfigInputXkbOpts,swayConfigInputOpts,swayConfigInputOptVals,i3ConfigVariable,i3ConfigNumber,i3ConfigBoolean,swayConfigDeviceOps,i3ConfigParen keepend extend
+syn keyword swayConfigInputOpts xkb_variant xkb_rules xkb_switch_layout xkb_numlock xkb_file xkb_capslock xkb_model repeat_delay repeat_rate map_to_output map_to_region map_from_region tool_mode accel_profile dwt dwtp drag_lock drag click_method middle_emulation tap events calibration_matrix natural_scroll left_handed pointer_accel scroll_button scroll_factor scroll_method tap_button_map contained skipwhite nextgroup=swayConfigInputOptVals,@i3ConfigValue
+syn keyword swayConfigInputOptVals absolute relative adaptive flat none button_areas clickfinger toggle two_finger edge on_button_down lrm lmr next prev pen eraser brush pencil airbrush disabled_on_external_mouse disable enable contained skipwhite nextgroup=swayConfigInputOpts,@i3ConfigValue,swayConfigDeviceOper
+syn match swayConfigDeviceOper /,/ contained nextgroup=swayConfigXkbOptsPair,swayConfigXkbLayout
+syn match swayConfigXkbLayout /[a-z]\+/ contained nextgroup=swayConfigDeviceOper
+syn keyword swayConfigInputOpts xkb_layout contained skipwhite nextgroup=swayConfigXkbLayout
+syn match swayConfigXkbOptsPairVal /[0-9a-z_-]\+/ contained contains=i3ConfigNumber skipwhite nextgroup=swayConfigDeviceOper,swayConfigInputOpts
+syn match swayConfigXkbOptsPair /[a-z]\+:/ contained contains=i3ConfigColonOperator nextgroup=swayConfigXkbOptsPairVal
+syn keyword swayConfigInputOpts xkb_options contained skipwhite nextgroup=swayConfigXkbOptsPair
+
+syn region swayConfigInput start=/\s/ skip=/\\$/ end=/\ze[,;]\|$/ contained contains=swayConfigInputOpts,@i3ConfigValue keepend
+syn region swayConfigInput matchgroup=i3ConfigParen start=/ {$/ end=/^}$/ contained contains=swayConfigInputOpts,@i3ConfigValue,i3ConfigComment keepend extend
+syn keyword swayConfigInputType touchpad pointer keyboard touch tablet_tool tablet_pad switch contained nextgroup=swayConfigInput
+syn match swayConfigInputIdent /type:!\?/ contained contains=swayConfigDeviceOper nextgroup=swayConfigInputType
+syn match swayConfigInputIdent /[^t '"]\S*/ contained contains=i3ConfigOutputIdent nextgroup=swayConfigInput
+syn region swayConfigInputIdent start=/['"]/ end=/\ze/ contained contains=i3ConfigOutputIdent nextgroup=swayConfigInput
+syn keyword i3ConfigKeyword input contained skipwhite nextgroup=swayConfigInputIdent
 
 " Seat
-syn keyword swayConfigSeatKeyword seat contained
-syn keyword swayConfigSeatOpts attach cursor fallback hide_cursor idle_inhibit idle_wake keyboard_grouping shortcuts_inhibitor pointer_constraint xcursor_theme contained
-syn match swayConfigSeatOptVals /when-typing/ contained
-syn keyword swayConfigSeatOptVals move set press release none smart activate deactivate toggle escape enable disable contained
-syn region i3ConfigAction start=/seat/ skip=/\\$/ end=/\([,;]\|$\)/ contained contains=swayConfigSeatKeyword,i3ConfigString,i3ConfigNumber,i3ConfigBoolean,swayConfigSeatOptVals,swayConfigSeatOpts,swayConfigDeviceOps,swayConfigInputType keepend transparent
-syn region swayConfigSeat start=/seat/ skip=/\\$/ end=/$/ contains=swayConfigSeatKeyword,i3ConfigString,i3ConfigNumber,i3ConfigBoolean,swayConfigSeatOptVals,swayConfigSeatOpts,swayConfigDeviceOps,swayConfigInputType keepend
-syn region swayConfigSeat start=/seat .* {$/ end=/}$/ contains=swayConfigSeatKeyword,i3ConfigString,i3ConfigNumber,i3ConfigBoolean,swayConfigSeatOptVals,swayConfigSeatOpts,swayConfigDeviceOps,i3ConfigParen,swayConfigInputType keepend extend
+syn keyword swayConfigSeatOpts cursor fallback hide_cursor keyboard_grouping shortcuts_inhibitor pointer_constraint xcursor_theme contained skipwhite nextgroup=swayConfigSeatOptVals,@i3ConfigValue
+syn match swayConfigInputTypeSeq / \w\+/ contained contains=swayConfigInputType nextgroup=swayConfigInputTypeSeq,swayConfigSeatOpts
+syn keyword swayConfigSeatOpts idle_inhibit idle_wake contained nextgroup=swayConfigInputTypeSeq
+syn keyword swayConfigSeatOpts attach contained skipwhite nextgroup=swayConfigSeatIdent
+syn match swayConfigSeatOptVals /when-typing/ contained skipwhite nextgroup=swayConfigSeatOptVals
+syn keyword swayConfigSeatOptVals move set press release none smart activate deactivate toggle escape enable disable contained skipwhite nextgroup=swayConfigSeatOpts
+syn region swayConfigSeat start=/\s/ skip=/\\$/ end=/\ze[,;]\|$/ contained contains=swayConfigSeatOpts,@i3ConfigValue keepend
+syn region swayConfigSeat matchgroup=i3ConfigParen start=/ {$/ end=/^}$/ contained contains=swayConfigSeatOpts,@i3ConfigValue,i3ConfigComment keepend extend
+syn match swayConfigSeatIdent /[^ ]\+/ contained contains=i3ConfigOutputIdent skipwhite nextgroup=swayConfigSeat
+syn keyword i3ConfigKeyword seat contained skipwhite nextgroup=swayConfigSeatIdent
 
 " Output monitors
-syn keyword swayConfigOutputKeyword output contained
-syn keyword swayConfigOutputOpts mode resolution res modeline position pos scale scale_filter subpixel background bg transform disable enable power dpms max_render_time adaptive_sync render_bit_depth contained
-syn keyword swayConfigOutputOptVals linear nearest smart rgb bgr vrgb vbgr none normal flipped fill stretch fit center tile solid_color clockwise anticlockwise toggle contained
-syn match swayConfigOutputOptVals /--custom\|flipped-\(90\|180\|270\)/ contained
-syn match swayConfigOutputFPS /@[0-9.]\+Hz/ contained
-syn match swayConfigOutputMode / [0-9]\+x[0-9]\+\(@[0-9.]\+Hz\)\?/ contained contains=swayConfigOutputFPS
-syn region i3ConfigAction start=/output/ skip=/\\$/ end=/\([,;]\|$\)/ contained contains=swayConfigOutputKeyword,swayConfigOutputMode,swayConfigOutputOpts,swayConfigOutputOptVals,i3ConfigVariable,i3ConfigNumber,i3ConfigString,i3ConfigColor,i3ConfigBoolean,swayConfigDeviceOps keepend transparent
-syn region swayConfigOutput start=/^output/ skip=/\\$/ end=/$/  contains=swayConfigOutputKeyword,swayConfigOutputMode,swayConfigOutputOpts,swayConfigOutputOptVals,i3ConfigVariable,i3ConfigNumber,i3ConfigString,i3ConfigColor,i3ConfigBoolean,swayConfigDeviceOps keepend
-syn region swayConfigOutput start=/^output .* {$/ end=/}$/  contains=swayConfigOutputKeyword,swayConfigOutputMode,swayConfigOutputOpts,swayConfigOutputOptVals,i3ConfigVariable,i3ConfigNumber,i3ConfigString,i3ConfigColor,i3ConfigBoolean,swayConfigDeviceOps,i3ConfigParen keepend extend
+syn keyword swayConfigOutputOpts mode resolution res modeline position pos scale scale_filter subpixel transform disable enable power dpms max_render_time adaptive_sync render_bit_depth contained skipwhite nextgroup=swayConfigOutputOptVals,@i3ConfigValue,swayConfigOutputMode
+syn keyword swayConfigOutputOptVals linear nearest smart rgb bgr vrgb vbgr none clockwise anticlockwise toggle contained skipwhite nextgroup=swayConfigOutputOptVals,@i3ConfigValue
+syn keyword swayConfigOutputBgVals solid_color fill stretch fit center tile contained skipwhite nextgroup=@i3ConfigColVar
+syn match swayConfigOutputBg /[#$]\S\+ solid_color/ contained contains=@i3ConfigColVar,swayConfigOutputBgVals
+syn match swayConfigOutputBg /[^b# '"]\S*/ contained contains=i3ConfigShOper skipwhite nextgroup=swayConfigOutputBgVals
+syn region swayConfigOutputBg start=/['"]/ end=/\ze/ contained contains=@i3ConfigIdent skipwhite nextgroup=swayConfigOutputBgVals
+syn keyword swayConfigOutputOpts bg background contained skipwhite nextgroup=swayConfigOutputBg
+syn match swayConfigOutputFPS /@[0-9.]\+Hz/ contained skipwhite nextgroup=swayConfigOutputOpts
+syn match swayConfigOutputMode /\(--custom \)\?[0-9]\+x[0-9]\+/ contained contains=i3ConfigShParam skipwhite nextgroup=swayConfigOutputFPS,swayConfigOutputOpts
+syn match swayConfigOutputOptVals /\(flipped-\)\?\(90\|180\|270\)\|flipped\|normal/ contained contains=i3ConfigNumber skipwhite nextgroup=swayConfigOutputOptsVals
+syn region swayConfigOutput start=/\s/ skip=/\\$/ end=/\ze[,;]\|$/ contained contains=swayConfigOutputOpts,@i3ConfigValue keepend
+syn region swayConfigOutput matchgroup=i3ConfigParen start=/ {$/ end=/^}$/ contained contains=swayConfigOutputOpts,@i3ConfigValue,i3ConfigComment keepend extend
+syn match swayConfigOutputIdent /[^ ]\+/ contained contains=i3ConfigOutputIdent skipwhite nextgroup=swayConfigOutput
+syn keyword i3ConfigKeyword output contained skipwhite nextgroup=swayConfigOutputIdent
 
 " Define the highlighting.
-hi def link swayConfigSmartGapsOpts          i3ConfigOption
 hi def link swayConfigFloatingModifierOpts   i3ConfigOption
-hi def link swayConfigFocusFollowsMouseOpts  i3ConfigOption
-hi def link swayConfigBindKeyword            i3ConfigBindKeyword
 hi def link swayConfigXOpt                   i3ConfigOption
-hi def link swayConfigInhibitKeyword         i3ConfigCommand
 hi def link swayConfigInhibitOpts            i3ConfigOption
 hi def link swayConfigBindswitchArgument     i3ConfigBindArgument
 hi def link swayConfigBindswitchType         i3ConfigMoveType
@@ -137,20 +141,18 @@ hi def link swayConfigBindswitchState        i3ConfigMoveDir
 hi def link swayConfigBindgestureArgument    i3ConfigBindArgument
 hi def link swayConfigBindgestureType        i3ConfigMoveType
 hi def link swayConfigBindgestureDir         i3ConfigMoveDir
-hi def link swayConfigDeviceOps              i3ConfigOperator
-hi def link swayConfigInputKeyword           i3ConfigCommand
+hi def link swayConfigDeviceOper             i3ConfigOperator
 hi def link swayConfigInputType              i3ConfigMoveType
-hi def link swayConfigInputTypePair          i3ConfigMoveDir
+hi def link swayConfigInputIdent             i3ConfigMoveDir
 hi def link swayConfigInputOptVals           i3ConfigShParam
 hi def link swayConfigInputOpts              i3ConfigOption
-hi def link swayConfigXkbOptsPairVal         i3ConfigString
+hi def link swayConfigXkbOptsPairVal         i3ConfigParamLine
 hi def link swayConfigXkbOptsPair            i3ConfigShParam
-hi def link swayConfigInputXkbOpts           i3ConfigOption
-hi def link swayConfigSeatKeyword            i3ConfigCommand
+hi def link swayConfigXkbLayout              i3ConfigParamLine
 hi def link swayConfigSeatOptVals            swayConfigInputOptVals
 hi def link swayConfigSeatOpts               swayConfigInputOpts
-hi def link swayConfigOutputKeyword          i3ConfigCommand
 hi def link swayConfigOutputOptVals          swayConfigInputOptVals
+hi def link swayConfigOutputBgVals           swayConfigInputOptVals
 hi def link swayConfigOutputOpts             swayConfigInputOpts
 hi def link swayConfigOutputFPS              Constant
 hi def link swayConfigOutputMode             i3ConfigNumber
diff --git a/runtime/syntax/testdir/dumps/java_comments_00.dump b/runtime/syntax/testdir/dumps/java_comments_00.dump
index bc1f359..a629664 100644
--- a/runtime/syntax/testdir/dumps/java_comments_00.dump
+++ b/runtime/syntax/testdir/dumps/java_comments_00.dump
@@ -1,20 +1,20 @@
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diff --git a/runtime/syntax/testdir/dumps/java_comments_01.dump b/runtime/syntax/testdir/dumps/java_comments_01.dump
index 9f92f83..77d7c4a 100644
--- a/runtime/syntax/testdir/dumps/java_comments_01.dump
+++ b/runtime/syntax/testdir/dumps/java_comments_01.dump
@@ -1,20 +1,20 @@
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diff --git a/runtime/syntax/testdir/dumps/java_comments_02.dump b/runtime/syntax/testdir/dumps/java_comments_02.dump
new file mode 100644
index 0000000..008a3e0
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/java_comments_02.dump
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diff --git a/runtime/syntax/testdir/dumps/java_comments_03.dump b/runtime/syntax/testdir/dumps/java_comments_03.dump
new file mode 100644
index 0000000..f3f8d56
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/java_comments_03.dump
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diff --git a/runtime/syntax/testdir/dumps/java_comments_04.dump b/runtime/syntax/testdir/dumps/java_comments_04.dump
new file mode 100644
index 0000000..01703a8
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/java_comments_04.dump
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diff --git a/runtime/syntax/testdir/dumps/java_comments_99.dump b/runtime/syntax/testdir/dumps/java_comments_99.dump
index 024dc48..1efc20e 100644
--- a/runtime/syntax/testdir/dumps/java_comments_99.dump
+++ b/runtime/syntax/testdir/dumps/java_comments_99.dump
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 @4|/+0#0000e05&@1| |@+0#0000000&|l|i|n|k| +0#0000e05&|s+0#00e0003&|u|b|s|t|r|i|n|g| +0#0000e05&|=| |'+0#e000002&|S|t|r|i|n|g|'| +0#0000e05&|t+0#00e0003&|a|r|g|e|t| +0#0000e05&|=| |'+0#e000002&|j|a|v|a|.|l|a|n|g|.|S|t|r|i|n|g|'| +0#0000e05&|:| +0#0000000&@11
 @4|p+0#00e0003&|u|b|l|i|c| +0#0000000&|s+0#00e0003&|t|a|t|i|c| +0#0000000&|v+0#00e0003&|o|i|d| +0#0000000&|m|a|i|n|(|S|t|r|i|n|g|[|]| |a|r|g|s|)| |{| |}| @28
-@4|/+0#0000e05&@1| |@+0#0000000&|e|n|d| @63
+@4|/+0#0000e05&@1| |@+0#0000000&|e|n|d| +0#ffffff16#ff404010| +0#0000000#ffffff0@62
+@75
+@4|/+0#0000e05&|*@1| |{+0#e000e06&|@|r|e|t|u|r|n| |a|n| |e|m|p|t|y| |s|t|r|i|n|g|}| +0#ffffff16#ff404010@2| +0#0000000#ffffff0@38
+| +0#0000e05&@4|*| +0#e000e06&|@|s|e@1| |<+0#00e0e07&|a+0#af5f00255&| +0#00e0e07&|h+0#00e0003&|r|e|f|=+0#00e0e07&|"+0#e000002&|h|t@1|p|s|:|/@1|d|o|c|s|.|o|r|a|c|l|e|.|c|o|m|/|j|a|v|a|s|e|/|s|p|e|c|s|/|j|l|s|/|s|e|2|1|/|h|t|m|l|/|j|l|s
+|-|3|.|h|t|m|l|#|j|l|s|-|3|.|1|0|.|5|"|>+0#00e0e07&|3+8#e000e06&|.|1|0|.|5| |S|t|r|i|n|g| |L|i|t|e|r|a|l|s|<+0#00e0e07&|/|a+0#af5f00255&|>+0#00e0e07&| +0#0000000&@28
+| +0#0000e05&@4|*| +0#e000e06&|@|s|e@1| |O+0#00e0e07&|b|j|e|c|t|#|t|o|S|t|r|i|n|g|(|)| +0#0000000&|*+0#e000e06&|/| +0#0000000&@42
+@4|/+0#0000e05&@1| |@+0#0000000&|s|t|a|r|t| +0#0000e05&|r+0#00e0003&|e|g|i|o|n| +0#0000e05&|=| |t+0#e000002&|o|S|t|r|i|n|g| +0#ffffff16#ff404010| +0#0000000#ffffff0@42
+@4|/+0#0000e05&@1| |@+0#0000000&|r|e|p|l|a|c|e| +0#0000e05&|s+0#00e0003&|u|b|s|t|r|i|n|g| +0#0000e05&|=| |'+0#e000002&|"@1|'| +0#0000e05&|r+0#00e0003&|e|p|l|a|c|e|m|e|n|t| +0#0000e05&|=| |"+0#e000002&|\|u|0@1|2@1|\|u|0@1|2@1|"| +0#0000000&@13
+@4|/+0#0000e05&@1| |@+0#0000000&|l|i|n|k| +0#0000e05&|r+0#00e0003&|e|g|e|x| +0#0000e05&|=| |'+0#e000002&|\|b|S|t|r|i|n|g|'| +0#0000e05&|t+0#00e0003&|a|r|g|e|t| +0#0000e05&|=| |j+0#e000002&|a|v|a|.|l|a|n|g|.|S|t|r|i|n|g| +0#0000e05&|t+0#00e0003&|y|p|e| +0#0000e05&|=| |l+0#e000002&|i|n|k|p|l|a|i|n| +0#0000e05&
+|:| +0#0000000&@73
+@4|@+0#e000e06&|O|v|e|r@1|i|d|e| +0#0000000&|p+0#00e0003&|u|b|l|i|c| +0#0000000&|S|t|r|i|n|g| |t|o|S|t|r|i|n|g|(|)| |{| |r+0#af5f00255&|e|t|u|r|n| +0#0000000&|"+0#e000002&@1|;+0#0000000&| |}| @21
+@4|/+0#0000e05&@1| |@+0#0000000&|e|n|d| +0#ffffff16#ff404010| +0#0000000#ffffff0@62
 >}| @73
-@57|2|5|,|1| @9|B|o|t| 
+@57|9|0|,|1| @9|B|o|t| 
diff --git a/runtime/syntax/testdir/dumps/java_contextual_keywords_00.dump b/runtime/syntax/testdir/dumps/java_contextual_keywords_00.dump
new file mode 100644
index 0000000..fdd8173
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/java_contextual_keywords_00.dump
@@ -0,0 +1,20 @@
+>c+0#00e0003#ffffff0|l|a|s@1| +0#0000000&|C|o|n|t|e|x|t|u|a|l|K|e|y|w|o|r|d|s|T|e|s|t|s| @6|/+0#0000e05&@1| |S|e@1| |J|L|S|,| |§|3|.|9| |K|e|y|w|o|r|d|s|.| +0#0000000&@12
+|{| @73
+@4|p+0#00e0003&|r|i|v|a|t|e| +0#0000000&|C|o|n|t|e|x|t|u|a|l|K|e|y|w|o|r|d|s|T|e|s|t|s|(|)| |{| |t+0#af5f00255&|h|r|o|w| +0#0000000&|n+0#af5f00255&|e|w| +0#0000000&|E|r@1|o|r|(|)|;| |}| @14
+@75
+@4|/+0#0000e05&@1| |M|o|d|u|l|e|D|e|c|l|a|r|a|t|i|o|n|:| |m|o|d|u|l|e| |o|p|e|n|.| +0#0000000&@36
+@4|v+0#00e0003&|o|i|d| +0#0000000&|m|o|d|u|l|e|(|)| @2|{| |O|b|j|e|c|t| |m|o|d|u|l|e| |=| |n+0#e000002&|u|l@1|;+0#0000000&| @4|w|h|e|n|(|)|;| |}| @17
+@4|v+0#00e0003&|o|i|d| +0#0000000&|o|p|e|n|(|)| |{| |O|b|j|e|c|t| |o|p|e|n| |=| |n+0#e000002&|u|l@1|;+0#0000000&| @6|m|o|d|u|l|e|(|)|;| |}| @19
+@4|/+0#0000e05&@1| |M|o|d|u|l|e|D|i|r|e|c|t|i|v|e|:| |e|x|p|o|r|t|s| |o|p|e|n|s| |p|r|o|v|i|d|e|s| |r|e|q|u|i|r|e|s| |t|o| |u|s|e|s| |w|i|t|h|.| +0#0000000&@5
+@4|v+0#00e0003&|o|i|d| +0#0000000&|e|x|p|o|r|t|s|(|)| @1|{| |O|b|j|e|c|t| |e|x|p|o|r|t|s| |=| |n+0#e000002&|u|l@1|;+0#0000000&| @3|o|p|e|n|(|)|;| |}| @17
+@4|v+0#00e0003&|o|i|d| +0#0000000&|o|p|e|n|s|(|)| @3|{| |O|b|j|e|c|t| |o|p|e|n|s| |=| |n+0#e000002&|u|l@1|;+0#0000000&| @5|e|x|p|o|r|t|s|(|)|;| |}| @14
+@4|v+0#00e0003&|o|i|d| +0#0000000&|p|r|o|v|i|d|e|s|(|)| |{| |O|b|j|e|c|t| |p|r|o|v|i|d|e|s| |=| |n+0#e000002&|u|l@1|;+0#0000000&| @2|o|p|e|n|s|(|)|;| |}| @16
+@4|v+0#00e0003&|o|i|d| +0#0000000&|r|e|q|u|i|r|e|s|(|)| |{| |O|b|j|e|c|t| |r|e|q|u|i|r|e|s| |=| |n+0#e000002&|u|l@1|;+0#0000000&| @2|p|r|o|v|i|d|e|s|(|)|;| |}| @13
+@4|v+0#00e0003&|o|i|d| +0#0000000&|t|o|(|)| @2|{| |O|b|j|e|c|t| |t|o| |=| |n+0#e000002&|u|l@1|;+0#0000000&| @4|r|e|q|u|i|r|e|s|(|)|;| |}| @21
+@4|v+0#00e0003&|o|i|d| +0#0000000&|u|s|e|s|(|)| |{| |O|b|j|e|c|t| |u|s|e|s| |=| |n+0#e000002&|u|l@1|;+0#0000000&| @6|t|o|(|)|;| |}| @23
+@4|v+0#00e0003&|o|i|d| +0#0000000&|w|i|t|h|(|)| |{| |O|b|j|e|c|t| |w|i|t|h| |=| |n+0#e000002&|u|l@1|;+0#0000000&| @6|u|s|e|s|(|)|;| |}| @21
+@4|/+0#0000e05&@1| |R|e|q|u|i|r|e|s|M|o|d|i|f|i|e|r|:| |t|r|a|n|s|i|t|i|v|e|.| +0#0000000&@38
+@4|v+0#00e0003&|o|i|d| +0#0000000&|t|r|a|n|s|i|t|i|v|e|(|)| |{| |O|b|j|e|c|t| |t|r|a|n|s|i|t|i|v|e| |=| |n+0#e000002&|u|l@1|;+0#0000000&| @2|w|i|t|h|(|)|;| |}| @13
+@4|/+0#0000e05&@1| |L|o|c|a|l|V|a|r|i|a|b|l|e|T|y|p|e| ||| |L|a|m|b|d|a|P|a|r|a|m|e|t|e|r|T|y|p|e|:| |v|a|r|.| +0#0000000&@22
+@4|v+0#00e0003&|o|i|d| +0#0000000&|v|a|r|(|)| @1|{| |v+0#af5f00255&|a|r| +0#0000000&|v+0#af5f00255&|a|r| +0#0000000&|=| |n+0#af5f00255&|e|w| +0#0000000&|O|b|j|e|c|t|(|)|;| @2|t|r|a|n|s|i|t|i|v|e|(|)|;| |}| @15
+@57|1|,|1| @10|T|o|p| 
diff --git a/runtime/syntax/testdir/dumps/java_contextual_keywords_01.dump b/runtime/syntax/testdir/dumps/java_contextual_keywords_01.dump
new file mode 100644
index 0000000..5350984
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/java_contextual_keywords_01.dump
@@ -0,0 +1,20 @@
+| +0&#ffffff0@3|v+0#00e0003&|o|i|d| +0#0000000&|u|s|e|s|(|)| |{| |O|b|j|e|c|t| |u|s|e|s| |=| |n+0#e000002&|u|l@1|;+0#0000000&| @6|t|o|(|)|;| |}| @23
+@4|v+0#00e0003&|o|i|d| +0#0000000&|w|i|t|h|(|)| |{| |O|b|j|e|c|t| |w|i|t|h| |=| |n+0#e000002&|u|l@1|;+0#0000000&| @6|u|s|e|s|(|)|;| |}| @21
+@4|/+0#0000e05&@1| |R|e|q|u|i|r|e|s|M|o|d|i|f|i|e|r|:| |t|r|a|n|s|i|t|i|v|e|.| +0#0000000&@38
+@4|v+0#00e0003&|o|i|d| +0#0000000&|t|r|a|n|s|i|t|i|v|e|(|)| |{| |O|b|j|e|c|t| |t|r|a|n|s|i|t|i|v|e| |=| |n+0#e000002&|u|l@1|;+0#0000000&| @2|w|i|t|h|(|)|;| |}| @13
+@4|/+0#0000e05&@1| |L|o|c|a|l|V|a|r|i|a|b|l|e|T|y|p|e| ||| |L|a|m|b|d|a|P|a|r|a|m|e|t|e|r|T|y|p|e|:| |v|a|r|.| +0#0000000&@22
+@4>v+0#00e0003&|o|i|d| +0#0000000&|v|a|r|(|)| @1|{| |v+0#af5f00255&|a|r| +0#0000000&|v+0#af5f00255&|a|r| +0#0000000&|=| |n+0#af5f00255&|e|w| +0#0000000&|O|b|j|e|c|t|(|)|;| @2|t|r|a|n|s|i|t|i|v|e|(|)|;| |}| @15
+@4|/+0#0000e05&@1| |Y|i|e|l|d|S|t|a|t|e|m|e|n|t|:| |y|i|e|l|d| |(|s|e@1| |j|a|v|a|_|s|w|i|t|c|h|.|j|a|v|a|)|.| +0#0000000&@22
+@4|v+0#00e0003&|o|i|d| +0#0000000&|y+0#af5f00255&|i|e|l|d|(+0#0000000&|)| @3|{| |O|b|j|e|c|t| |y+0#af5f00255&|i|e|l|d| +0#0000000&|=| |n+0#e000002&|u|l@1|;+0#0000000&| @5|v|a|r|(|)|;| |}| @18
+@4|/+0#0000e05&@1| |R|e|c|o|r|d|D|e|c|l|a|r|a|t|i|o|n|:| |r|e|c|o|r|d|.| +0#0000000&@41
+@4|v+0#00e0003&|o|i|d| +0#0000000&|r|e|c|o|r|d|(|)| @2|{| |O|b|j|e|c|t| |r+0#00e0003&|e|c|o|r|d| +0#0000000&|=| |n+0#e000002&|u|l@1|;+0#0000000&| @4|t+0#00e0003&|h|i|s|.+0#0000000&|y|i|e|l|d|(|)|;| |}| @11
+@4|/+0#0000e05&@1| |N|o|r|m|a|l|{|C|l|a|s@1|,|I|n|t|e|r|f|a|c|e|}|D|e|c|l|a|r|a|t|i|o|n|:| |n|o|n|-|s|e|a|l|e|d| |p|e|r|m|i|t|s| |s|e|a|l|e|d|.| +0#0000000&@5
+@4|v+0#00e0003&|o|i|d| +0#0000000&|p|e|r|m|i|t|s|(|)| @1|{| |O|b|j|e|c|t| |p+0#00e0003&|e|r|m|i|t|s| +0#0000000&|=| |n+0#e000002&|u|l@1|;+0#0000000&| @3|r|e|c|o|r|d|(|)|;| |}| @15
+@4|v+0#00e0003&|o|i|d| +0#0000000&|s|e|a|l|e|d|(|)| @2|{| |O|b|j|e|c|t| |s+0#4040ff13&|e|a|l|e|d| +0#0000000&|=| |n+0#e000002&|u|l@1|;+0#0000000&| @4|p|e|r|m|i|t|s|(|)|;| |}| @14
+@4|/+0#0000e05&@1| |G|u|a|r|d|:| |w|h|e|n| |(|s|e@1| |j|a|v|a|_|s|w|i|t|c|h|.|j|a|v|a|)|.| +0#0000000&@32
+@4|v+0#00e0003&|o|i|d| +0#0000000&|w|h|e|n|(|)| |{| |O|b|j|e|c|t| |w|h|e|n| |=| |n+0#e000002&|u|l@1|;+0#0000000&| @6|s|e|a|l|e|d|(|)|;| |}| @19
+@75
+@4|s+0#4040ff13&|e|a|l|e|d| +0#0000000&|i+0#00e0003&|n|t|e|r|f|a|c|e| +0#0000000&|I|1| |p+0#00e0003&|e|r|m|i|t|s| +0#0000000&|C|1|,| |I|3| |{| |}| @32
+@4|s+0#4040ff13&|e|a|l|e|d| +0#0000000&|i+0#00e0003&|n|t|e|r|f|a|c|e| +0#0000000&|I|2| |p+0#00e0003&|e|r|m|i|t|s| +0#0000000&|C|1|,| |I|3| |{| |}| @32
+@4|n+0#4040ff13&|o|n|-|s|e|a|l|e|d| +0#0000000&|i+0#00e0003&|n|t|e|r|f|a|c|e| +0#0000000&|I|3| |e+0#00e0003&|x|t|e|n|d|s| +0#0000000&|I|1|,| |I|2| |{| |}| @28
+@57|1|9|,|2|-|5| @7|4@1|%| 
diff --git a/runtime/syntax/testdir/dumps/java_contextual_keywords_02.dump b/runtime/syntax/testdir/dumps/java_contextual_keywords_02.dump
new file mode 100644
index 0000000..1e0c363
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/java_contextual_keywords_02.dump
@@ -0,0 +1,20 @@
+| +0&#ffffff0@3|n+0#4040ff13&|o|n|-|s|e|a|l|e|d| +0#0000000&|i+0#00e0003&|n|t|e|r|f|a|c|e| +0#0000000&|I|3| |e+0#00e0003&|x|t|e|n|d|s| +0#0000000&|I|1|,| |I|2| |{| |}| @28
+@4|i+0#00e0003&|n|t|e|r|f|a|c|e| +0#0000000&|I|4| |e+0#00e0003&|x|t|e|n|d|s| +0#0000000&|I|3| |{| |}| @43
+@75
+@4|a+0#4040ff13&|b|s|t|r|a|c|t| +0#0000000&|s+0#4040ff13&|e|a|l|e|d| +0#0000000&|c+0#00e0003&|l|a|s@1| +0#0000000&|C|1| |i+0#00e0003&|m|p|l|e|m|e|n|t|s| +0#0000000&|I|1|,| |I|2| |p+0#00e0003&|e|r|m|i|t|s| +0#0000000&|C|2|,| |C|3| |{| |}| @9
+@4|a+0#4040ff13&|b|s|t|r|a|c|t| +0#0000000&|n+0#4040ff13&|o|n|-|s|e|a|l|e|d| +0#0000000&|c+0#00e0003&|l|a|s@1| +0#0000000&|C|2| |e+0#00e0003&|x|t|e|n|d|s| +0#0000000&|C|1| |{| |}| @27
+@4>f+0#4040ff13&|i|n|a|l| +0#0000000&|c+0#00e0003&|l|a|s@1| +0#0000000&|C|3| |e+0#00e0003&|x|t|e|n|d|s| +0#0000000&|C|1| |i+0#00e0003&|m|p|l|e|m|e|n|t|s| +0#0000000&|I|3| |{| |}| @27
+@4|c+0#00e0003&|l|a|s@1| +0#0000000&|C|4| |e+0#00e0003&|x|t|e|n|d|s| +0#0000000&|C|2| |{| |}| @47
+@75
+@4|r+0#00e0003&|e|c|o|r|d| +0#0000000&|R|(|)| |i+0#00e0003&|m|p|l|e|m|e|n|t|s| +0#0000000&|I|3| |{| |}| @42
+@4|e+0#00e0003&|n|u|m| +0#0000000&|E| |i+0#00e0003&|m|p|l|e|m|e|n|t|s| +0#0000000&|I|3| |{| |I|N|S|T|A|N|C|E| |}| @37
+@75
+@4|s+0#00e0003&|t|a|t|i|c| +0#0000000&|<|T|>| |I|<|T|>| |i|1|(|)| |{| |r+0#af5f00255&|e|t|u|r|n| +0#0000000&|(|v+0#af5f00255&|a|r| +0#0000000&|v+0#af5f00255&|a|r|)+0#0000000&| |-|>| |v+0#af5f00255&|a|r|;+0#0000000&| |}| @21
+@4|s+0#00e0003&|t|a|t|i|c| +0#0000000&|<|T|>| |I|<|T|>| |i|2|(|)| |{| |r+0#af5f00255&|e|t|u|r|n| +0#0000000&|(|T| |v+0#af5f00255&|a|r|)+0#0000000&| |-|>| |v+0#af5f00255&|a|r|;+0#0000000&| |}| @23
+@4|s+0#00e0003&|t|a|t|i|c| +0#0000000&|<|T|>| |I|<|T|>| |i|3|(|)| |{| |r+0#af5f00255&|e|t|u|r|n| +0#0000000&|(|v+0#af5f00255&|a|r|)+0#0000000&| |-|>| |v+0#af5f00255&|a|r|;+0#0000000&| |}| @25
+@4|s+0#00e0003&|t|a|t|i|c| +0#0000000&|<|T|>| |I|<|T|>| |i|4|(|)| |{| |r+0#af5f00255&|e|t|u|r|n| +0#0000000&|v+0#af5f00255&|a|r| +0#0000000&|-|>| |v+0#af5f00255&|a|r|;+0#0000000&| |}| @27
+@4|i+0#00e0003&|n|t|e|r|f|a|c|e| +0#0000000&|I|<|T|>| |{| |T| |i|(|T| |i|)|;| |d+0#4040ff13&|e|f|a|u|l|t| +0#0000000&|I|<|T|>| |s|e|l|f|(|)| |{| |r+0#af5f00255&|e|t|u|r|n| +0#0000000&|t+0#00e0003&|h|i|s|;+0#0000000&| |}| |}| @5
+|}| @73
+|~+0#4040ff13&| @73
+|~| @73
+| +0#0000000&@56|3|7|,|2|-|5| @7|B|o|t| 
diff --git a/runtime/syntax/testdir/dumps/java_contextual_keywords_99.dump b/runtime/syntax/testdir/dumps/java_contextual_keywords_99.dump
new file mode 100644
index 0000000..b429c81
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/java_contextual_keywords_99.dump
@@ -0,0 +1,20 @@
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diff --git a/runtime/syntax/testdir/dumps/java_methods_indent_00.dump b/runtime/syntax/testdir/dumps/java_methods_indent_00.dump
new file mode 100644
index 0000000..8f90e91
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/java_methods_indent_00.dump
@@ -0,0 +1,20 @@
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diff --git a/runtime/syntax/testdir/dumps/java_methods_indent_01.dump b/runtime/syntax/testdir/dumps/java_methods_indent_01.dump
new file mode 100644
index 0000000..44066c3
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/java_methods_indent_01.dump
@@ -0,0 +1,20 @@
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diff --git a/runtime/syntax/testdir/dumps/java_methods_indent_02.dump b/runtime/syntax/testdir/dumps/java_methods_indent_02.dump
new file mode 100644
index 0000000..2ab6583
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/java_methods_indent_02.dump
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diff --git a/runtime/syntax/testdir/dumps/java_methods_indent_03.dump b/runtime/syntax/testdir/dumps/java_methods_indent_03.dump
new file mode 100644
index 0000000..2ce2bba
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/java_methods_indent_03.dump
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diff --git a/runtime/syntax/testdir/dumps/java_methods_indent_99.dump b/runtime/syntax/testdir/dumps/java_methods_indent_99.dump
new file mode 100644
index 0000000..36ee838
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/java_methods_indent_99.dump
@@ -0,0 +1,20 @@
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+| +0#00e0e07&@1|p+0#00e0003&|r|o|t|e|c|t|e|d| +0#00e0e07&|s+0#00e0003&|t|a|t|i|c| +0#00e0e07&|f+0#4040ff13&|i|n|a|l| +0#00e0e07&|s+0#00e0003&|y|n|c|h|r|o|n|i|z|e|d| +0#00e0e07&|s+0#00e0003&|t|r|i|c|t|f|p| +0#00e0e07&|v+0#00e0003&|o|i|d| +0#00e0e07&|a|s|c|i@1|$|9@1|_|(|)| +0#0000000&@11
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+| +0#00e0e07&@1|p+0#00e0003&|u|b|l|i|c| +0#00e0e07&|S|t|r|i|n|g| |t|o|S|t|r|i|n|g|(|)| |{| |r|e|t|u|r|n| |(|S|t|r|i|n|g|)| +0#0000000&|"+0#e000002&|I|n|d|e|n|t|M|e|t|h|o|d|s|T|e|s|t|s|"|;+0#0000000&| |}+0#00e0e07&| +0#0000000&@6
+>}+0#00e0e07&| +0#0000000&@73
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diff --git a/runtime/syntax/testdir/dumps/java_methods_style_00.dump b/runtime/syntax/testdir/dumps/java_methods_style_00.dump
new file mode 100644
index 0000000..01d483c
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/java_methods_style_00.dump
@@ -0,0 +1,20 @@
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diff --git a/runtime/syntax/testdir/dumps/java_methods_style_01.dump b/runtime/syntax/testdir/dumps/java_methods_style_01.dump
new file mode 100644
index 0000000..c944208
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/java_methods_style_01.dump
@@ -0,0 +1,20 @@
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+@8|f+0#4040ff13&|i|n|a|l| +0#0000000&|S|t|r|i|n|g| |𝐬|;| @51
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+@4|@+0#00e0003&|i|n|t|e|r|f|a|c|e| +0#0000000&|T|ɐ|g@1|a|b|l|ɘ|s| @50
+@4|{+0#00e0e07&| +0#0000000&@69
+| +0#00e0e07&@7|T|ɐ|g@1|a|b|l|ɘ|[|]| |v|a|l|u|e|(|)|;+0#0000000&| @47
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diff --git a/runtime/syntax/testdir/dumps/java_methods_style_02.dump b/runtime/syntax/testdir/dumps/java_methods_style_02.dump
new file mode 100644
index 0000000..bbdc9bb
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/java_methods_style_02.dump
@@ -0,0 +1,20 @@
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diff --git a/runtime/syntax/testdir/dumps/java_methods_style_03.dump b/runtime/syntax/testdir/dumps/java_methods_style_03.dump
new file mode 100644
index 0000000..e8ce44b
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/java_methods_style_03.dump
@@ -0,0 +1,20 @@
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+|~| @73
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diff --git a/runtime/syntax/testdir/dumps/java_methods_style_99.dump b/runtime/syntax/testdir/dumps/java_methods_style_99.dump
new file mode 100644
index 0000000..a2e3228
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/java_methods_style_99.dump
@@ -0,0 +1,20 @@
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new file mode 100644
index 0000000..d1bc96c
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new file mode 100644
index 0000000..1d0823f
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diff --git a/runtime/syntax/testdir/dumps/vim9_keymap_99.dump b/runtime/syntax/testdir/dumps/vim9_keymap_99.dump
new file mode 100644
index 0000000..8afcbba
--- /dev/null
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new file mode 100644
index 0000000..2f682d9
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diff --git a/runtime/syntax/testdir/dumps/vim9_legacy_header_99.dump b/runtime/syntax/testdir/dumps/vim9_legacy_header_99.dump
new file mode 100644
index 0000000..d400e31
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new file mode 100644
index 0000000..b324c46
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diff --git a/runtime/syntax/testdir/dumps/vim9_legacy_header_fold_99.dump b/runtime/syntax/testdir/dumps/vim9_legacy_header_fold_99.dump
new file mode 100644
index 0000000..b3fa847
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/vim9_legacy_header_fold_99.dump
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diff --git a/runtime/syntax/testdir/dumps/vim_00.dump b/runtime/syntax/testdir/dumps/vim_00.dump
new file mode 100644
index 0000000..852148f
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diff --git a/runtime/syntax/testdir/dumps/vim_99.dump b/runtime/syntax/testdir/dumps/vim_99.dump
new file mode 100644
index 0000000..8e9320c
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/vim_99.dump
@@ -0,0 +1,20 @@
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diff --git a/runtime/syntax/testdir/dumps/vim_ex_abbreviate_01.dump b/runtime/syntax/testdir/dumps/vim_ex_abbreviate_01.dump
index c5cc26f..10de160 100644
--- a/runtime/syntax/testdir/dumps/vim_ex_abbreviate_01.dump
+++ b/runtime/syntax/testdir/dumps/vim_ex_abbreviate_01.dump
@@ -7,9 +7,9 @@
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 @75
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-|i+0#af5f00255&|a|b|c|l|e|a|r| +0#0000000&|<+0#af5f00255&|b|u|f@1|e|r|>| +0#0000000&@57
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diff --git a/runtime/syntax/testdir/dumps/vim_ex_abbreviate_99.dump b/runtime/syntax/testdir/dumps/vim_ex_abbreviate_99.dump
index 5cec5ee..7622ebf 100644
--- a/runtime/syntax/testdir/dumps/vim_ex_abbreviate_99.dump
+++ b/runtime/syntax/testdir/dumps/vim_ex_abbreviate_99.dump
@@ -14,7 +14,7 @@
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 @75
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diff --git a/runtime/syntax/testdir/dumps/vim_ex_commands_31.dump b/runtime/syntax/testdir/dumps/vim_ex_commands_31.dump
index 07075f7..3711988 100644
--- a/runtime/syntax/testdir/dumps/vim_ex_commands_31.dump
+++ b/runtime/syntax/testdir/dumps/vim_ex_commands_31.dump
@@ -5,7 +5,7 @@
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diff --git a/runtime/syntax/testdir/dumps/vim_ex_commands_64.dump b/runtime/syntax/testdir/dumps/vim_ex_commands_64.dump
index 5561d99..bf3df8d 100644
--- a/runtime/syntax/testdir/dumps/vim_ex_commands_64.dump
+++ b/runtime/syntax/testdir/dumps/vim_ex_commands_64.dump
@@ -5,7 +5,7 @@
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diff --git a/runtime/syntax/testdir/dumps/vim_ex_comment-vim9_00.dump b/runtime/syntax/testdir/dumps/vim_ex_comment-vim9_00.dump
new file mode 100644
index 0000000..57b0216
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/vim_ex_comment-vim9_00.dump
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diff --git a/runtime/syntax/testdir/dumps/vim_ex_comment-vim9_01.dump b/runtime/syntax/testdir/dumps/vim_ex_comment-vim9_01.dump
new file mode 100644
index 0000000..1b0d7c9
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/vim_ex_comment-vim9_01.dump
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diff --git a/runtime/syntax/testdir/dumps/vim_ex_comment-vim9_02.dump b/runtime/syntax/testdir/dumps/vim_ex_comment-vim9_02.dump
new file mode 100644
index 0000000..7de6ffb
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/vim_ex_comment-vim9_02.dump
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diff --git a/runtime/syntax/testdir/dumps/vim_ex_comment-vim9_99.dump b/runtime/syntax/testdir/dumps/vim_ex_comment-vim9_99.dump
new file mode 100644
index 0000000..f8759da
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/vim_ex_comment-vim9_99.dump
@@ -0,0 +1,20 @@
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diff --git a/runtime/syntax/testdir/dumps/vim_ex_comment_00.dump b/runtime/syntax/testdir/dumps/vim_ex_comment_00.dump
new file mode 100644
index 0000000..a1c1880
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/vim_ex_comment_00.dump
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diff --git a/runtime/syntax/testdir/dumps/vim_ex_comment_01.dump b/runtime/syntax/testdir/dumps/vim_ex_comment_01.dump
new file mode 100644
index 0000000..513f64c
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/vim_ex_comment_01.dump
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diff --git a/runtime/syntax/testdir/dumps/vim_ex_comment_02.dump b/runtime/syntax/testdir/dumps/vim_ex_comment_02.dump
new file mode 100644
index 0000000..e2b6092
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/vim_ex_comment_02.dump
@@ -0,0 +1,20 @@
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diff --git a/runtime/syntax/testdir/dumps/vim_ex_comment_99.dump b/runtime/syntax/testdir/dumps/vim_ex_comment_99.dump
new file mode 100644
index 0000000..e9bcabe
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/vim_ex_comment_99.dump
@@ -0,0 +1,20 @@
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diff --git a/runtime/syntax/testdir/dumps/vim_ex_def_01.dump b/runtime/syntax/testdir/dumps/vim_ex_def_01.dump
index c7b49de..2aebd40 100644
--- a/runtime/syntax/testdir/dumps/vim_ex_def_01.dump
+++ b/runtime/syntax/testdir/dumps/vim_ex_def_01.dump
@@ -6,15 +6,15 @@
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diff --git a/runtime/syntax/testdir/dumps/vim_ex_def_02.dump b/runtime/syntax/testdir/dumps/vim_ex_def_02.dump
index 7ebe3c6..ebfa3e1 100644
--- a/runtime/syntax/testdir/dumps/vim_ex_def_02.dump
+++ b/runtime/syntax/testdir/dumps/vim_ex_def_02.dump
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diff --git a/runtime/syntax/testdir/dumps/vim_ex_def_03.dump b/runtime/syntax/testdir/dumps/vim_ex_def_03.dump
index 50fed41..6046e65 100644
--- a/runtime/syntax/testdir/dumps/vim_ex_def_03.dump
+++ b/runtime/syntax/testdir/dumps/vim_ex_def_03.dump
@@ -1,20 +1,20 @@
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-@2|r+0#af5f00255&|e|t|u|r|n| +0#0000000&|4+0#e000002&|2| +0#0000000&@63
+|"+0#0000e05&| |r|e|t|u|r|n| |t|y|p|e|s| +0#0000000&@60
+@75
+|d+0#af5f00255&|e|f| +0#0000000&|F|o@1|(+0#e000e06&|)|:+0#0000000&| |v+0#00e0003&|o|i|d| +0#0000000&@59
 |e+0#af5f00255&|n|d@1|e|f| +0#0000000&@68
-@57|5@1|,|3| @9|4|6|%| 
+@75
+|d+0#af5f00255&|e|f| +0#0000000&|F|o@1|(+0#e000e06&|)|:+0#0000000&| |v+0#00e0003&|o|i|d| +0#0000000&|#+0#0000e05&| |c|o|m@1|e|n|t| +0#0000000&@49
+@57|5@1|,|3| @9|5|4|%| 
diff --git a/runtime/syntax/testdir/dumps/vim_ex_def_04.dump b/runtime/syntax/testdir/dumps/vim_ex_def_04.dump
index 64141b7..7394771 100644
--- a/runtime/syntax/testdir/dumps/vim_ex_def_04.dump
+++ b/runtime/syntax/testdir/dumps/vim_ex_def_04.dump
@@ -1,20 +1,20 @@
-|e+0#af5f00255#ffffff0|n|d@1|e|f| +0#0000000&@68
+|d+0#af5f00255#ffffff0|e|f| +0#0000000&|F|o@1|(+0#e000e06&|)|:+0#0000000&| |v+0#00e0003&|o|i|d| +0#0000000&|#+0#0000e05&| |c|o|m@1|e|n|t| +0#0000000&@49
+|e+0#af5f00255&|n|d@1|e|f| +0#0000000&@68
 @75
-|d+0#af5f00255&|e|f| +0#0000000&|f|o@1|#|b|a|r|#|F|o@1|(+0#e000e06&|)|:+0#0000000&| |n+0#00e0003&|u|m|b|e|r| +0#0000000&@49
-@2|r+0#af5f00255&|e|t|u|r|n| +0#0000000&|4+0#e000002&|2| +0#0000000&@63
+|d+0#af5f00255&|e|f| +0#0000000&|F|o@1|(+0#e000e06&|)|:+0#0000000&| |l+0#00e0003&|i|s|t|<|d|i|c|t|<|n|u|m|b|e|r|>@1| +0#0000000&@45
 |e+0#af5f00255&|n|d@1|e|f| +0#0000000&@68
 > @74
-|"+0#0000e05&| |s|a|m|e| |n|a|m|e| |a|s| |a|n| |E|x| |c|o|m@1|a|n|d| +0#0000000&@46
-|d+0#af5f00255&|e|f| +0#0000000&|s+0#e000e06&|:|l+0#0000000&|s|(+0#e000e06&|)| +0#0000000&@64
+|d+0#af5f00255&|e|f| +0#0000000&|F|o@1|(+0#e000e06&|)|:+0#0000000&| |f+0#00e0003&|u|n|c|(|d|i|c|t|<|l|i|s|t|<|n|u|m|b|e|r|>@1|,+0#0000000&| |f+0#00e0003&|u|n|c|,+0#0000000&| |b+0#00e0003&|o@1|l|,+0#0000000&| |f+0#00e0003&|u|n|c|(|n|u|m|b|e|r|,+0#0000000&| |l+0#00e0003&|i|s|t|<|n|u|m|b|e|r|>|)@1
+|:+0#0000000&| |b+0#00e0003&|o@1|l| +0#0000000&@68
 |e+0#af5f00255&|n|d@1|e|f| +0#0000000&@68
 @75
 @75
-|"+0#0000e05&| |r|e|t|u|r|n| |t|y|p|e|s| +0#0000000&@60
-@75
-|d+0#af5f00255&|e|f| +0#0000000&|F|o@1|(+0#e000e06&|)|:+0#0000000&| |v+0#00e0003&|o|i|d| +0#0000000&@59
-|e+0#af5f00255&|n|d@1|e|f| +0#0000000&@68
+|"+0#0000e05&| |:|e|n|d@1|e|f| |t|r|a|i|l|i|n|g| +0#0000000&@56
 @75
-|d+0#af5f00255&|e|f| +0#0000000&|F|o@1|(+0#e000e06&|)|:+0#0000000&| |v+0#00e0003&|o|i|d| +0#0000000&|#+0#0000e05&| |c|o|m@1|e|n|t| +0#0000000&@49
+|d+0#af5f00255&|e|f| +0#0000000&|F|o@1|(+0#e000e06&|)| +0#0000000&@65
+| +0#0000e05&@1|#| |t|r|a|i|l|i|n|g| |w|h|i|t|e|s|p|a|c|e| +0#0000000&@51
 |e+0#af5f00255&|n|d@1|e|f| +0#0000000&@68
 @75
-@57|7|3|,|0|-|1| @7|6|3|%| 
+|d+0#af5f00255&|e|f| +0#0000000&|F|o@1|(+0#e000e06&|)| +0#0000000&@65
+|e+0#af5f00255&|n|d@1|e|f| +0#0000000&||| |e+0#af5f00255&|c|h|o| +0#0000000&|"+0#e000002&|F|o@1|"| +0#0000000&@55
+@57|7|3|,|0|-|1| @7|7|3|%| 
diff --git a/runtime/syntax/testdir/dumps/vim_ex_def_05.dump b/runtime/syntax/testdir/dumps/vim_ex_def_05.dump
index 9fc0cfa..2db207b 100644
--- a/runtime/syntax/testdir/dumps/vim_ex_def_05.dump
+++ b/runtime/syntax/testdir/dumps/vim_ex_def_05.dump
@@ -1,20 +1,20 @@
-|d+0#af5f00255#ffffff0|e|f| +0#0000000&|F|o@1|(+0#e000e06&|)|:+0#0000000&| |l+0#00e0003&|i|s|t|<|d|i|c|t|<|n|u|m|b|e|r|>@1| +0#0000000&@45
-|e+0#af5f00255&|n|d@1|e|f| +0#0000000&@68
+| +0&#ffffff0@74
+|d+0#af5f00255&|e|f| +0#0000000&|F|o@1|(+0#e000e06&|)| +0#0000000&@65
+|e+0#af5f00255&|n|d@1|e|f| +0#0000000&|"+0#0000e05&| |c|o|m@1|e|n|t| +0#0000000&@58
 @75
-|d+0#af5f00255&|e|f| +0#0000000&|F|o@1|(+0#e000e06&|)|:+0#0000000&| |f+0#00e0003&|u|n|c|(|d|i|c|t|<|l|i|s|t|<|n|u|m|b|e|r|>@1|,+0#0000000&| |f+0#00e0003&|u|n|c|,+0#0000000&| |b+0#00e0003&|o@1|l|,+0#0000000&| |f+0#00e0003&|u|n|c|(|n|u|m|b|e|r|,+0#0000000&| |l+0#00e0003&|i|s|t|<|n|u|m|b|e|r|>|)@1
-|:+0#0000000&| |b+0#00e0003&|o@1|l| +0#0000000&@68
->e+0#af5f00255&|n|d@1|e|f| +0#0000000&@68
 @75
+>"+0#0000e05&| |p|a|r|a|m|e|t|e|r|s| +0#0000000&@62
 @75
-|"+0#0000e05&| |:|e|n|d@1|e|f| |t|r|a|i|l|i|n|g| +0#0000000&@56
+|d+0#af5f00255&|e|f| +0#0000000&|F|o@1|(+0#e000e06&|x+0#00e0e07&|:+0#0000000&| |b+0#00e0003&|o@1|l|,+0#0000000&| |y+0#00e0e07&| +0#0000000&|=+0#af5f00255&| +0#0000000&|4+0#e000002&|2|,+0#0000000&| |z+0#00e0e07&|:+0#0000000&| |s+0#00e0003&|t|r|i|n|g| +0#0000000&|=+0#af5f00255&| +0#0000000&|"+0#e000002&|z|e|d|"|)+0#e000e06&| +0#0000000&@31
+|e+0#af5f00255&|n|d@1|e|f| +0#0000000&@68
 @75
-|d+0#af5f00255&|e|f| +0#0000000&|F|o@1|(+0#e000e06&|)| +0#0000000&@65
-| +0#0000e05&@1|#| |t|r|a|i|l|i|n|g| |w|h|i|t|e|s|p|a|c|e| +0#0000000&@51
+|d+0#af5f00255&|e|f| +0#0000000&|F|o@1|(+0#e000e06&| +0#0000000&@66
+@4|x+0#00e0e07&|:+0#0000000&| |b+0#00e0003&|o@1|l|,+0#0000000&| @62
+@4|y+0#00e0e07&| +0#0000000&|=+0#af5f00255&| +0#0000000&|4+0#e000002&|2|,+0#0000000&| @63
+@4|z+0#00e0e07&|:+0#0000000&| |s+0#00e0003&|t|r|i|n|g| +0#0000000&|=+0#af5f00255&| +0#0000000&|"+0#e000002&|z|e|d|"|)+0#e000e06&| +0#0000000&@52
 |e+0#af5f00255&|n|d@1|e|f| +0#0000000&@68
 @75
-|d+0#af5f00255&|e|f| +0#0000000&|F|o@1|(+0#e000e06&|)| +0#0000000&@65
-|e+0#af5f00255&|n|d@1|e|f| +0#0000000&||| |e+0#af5f00255&|c|h|o| +0#0000000&|"+0#e000002&|F|o@1|"| +0#0000000&@55
 @75
-|d+0#af5f00255&|e|f| +0#0000000&|F|o@1|(+0#e000e06&|)| +0#0000000&@65
-|e+0#af5f00255&|n|d@1|e|f| +0#0000000&|"+0#0000e05&| |c|o|m@1|e|n|t| +0#0000000&@58
-@57|9|1|,|1| @9|8|0|%| 
+|"+0#0000e05&| |c|o|m@1|e|n|t|s| +0#0000000&@64
+@75
+@57|9|1|,|1| @9|9|4|%| 
diff --git a/runtime/syntax/testdir/dumps/vim_ex_def_99.dump b/runtime/syntax/testdir/dumps/vim_ex_def_99.dump
index 2eca72a..9b4249f 100644
--- a/runtime/syntax/testdir/dumps/vim_ex_def_99.dump
+++ b/runtime/syntax/testdir/dumps/vim_ex_def_99.dump
@@ -17,4 +17,4 @@
 @2|"+0#e000002&|u|s|e|l|e|s@1| |s|t|r|i|n|g|"| +0#0000000&@56
 |e+0#af5f00255&|n|d@1|e|f| +0#0000000&@68
 > @74
-@57|1|2|5|,|0|-|1| @6|B|o|t| 
+@57|1|0|9|,|0|-|1| @6|B|o|t| 
diff --git a/runtime/syntax/testdir/dumps/vim_ex_def_fold_01.dump b/runtime/syntax/testdir/dumps/vim_ex_def_fold_01.dump
index d1803d5..fa5ed9f 100644
--- a/runtime/syntax/testdir/dumps/vim_ex_def_fold_01.dump
+++ b/runtime/syntax/testdir/dumps/vim_ex_def_fold_01.dump
@@ -6,15 +6,15 @@
 >"+0#0000e05&| |e|m|p|t|y| |d|e|f|i|n|i|t|i|o|n| +0#0000000&@56
 |++0#0000e05#a8a8a8255|-@1| @1|2| |l|i|n|e|s|:| |d|e|f| |F|o@1|(|)|-@51
 | +0#0000000#ffffff0@74
-|#+0#0000e05&| |c|u|r|l|y|-|b|r|a|c|e| |n|a|m|e|s| +0#0000000&@55
-|++0#0000e05#a8a8a8255|-@1| @1|2| |l|i|n|e|s|:| |d|e|f| |{|"|F|"|}|o@1|(|)|-@47
+|++0#0000e05#a8a8a8255|-@1| @1|3| |l|i|n|e|s|:| |d|e|f| |F|o@1|(|)|:| |n|u|m|b|e|r|-@43
 | +0#0000000#ffffff0@74
-|++0#0000e05#a8a8a8255|-@1| @1|2| |l|i|n|e|s|:| |d|e|f| |F|{|"|o|"|}|o|(|)|-@47
+|"+0#0000e05&| |t|r|a|i|l|i|n|g| |w|h|i|t|e|s|p|a|c|e| +0#0000000&@53
+|++0#0000e05#a8a8a8255|-@1| @1|3| |l|i|n|e|s|:| |d|e|f| |F|o@1|(|)|:| |n|u|m|b|e|r| @1|-@41
 | +0#0000000#ffffff0@74
-|++0#0000e05#a8a8a8255|-@1| @1|2| |l|i|n|e|s|:| |d|e|f| |F|o|{|"|o|"|}|(|)|-@47
+|++0#0000e05#a8a8a8255|-@1| @1|2| |l|i|n|e|s|:| |d|e|f| |F|o@1|(|)| |#| |c|o|m@1|e|n|t|-@41
 | +0#0000000#ffffff0@74
-|++0#0000e05#a8a8a8255|-@1| @1|2| |l|i|n|e|s|:| |d|e|f| |{|"|F|"|}|o|{|"|o|"|}|(|)|-@43
+|++0#0000e05#a8a8a8255|-@1| @1|3| |l|i|n|e|s|:| |d|e|f| |F|o@1|(|)|:| |n|u|m|b|e|r| |#| |c|o|m@1|e|n|t|-@33
 | +0#0000000#ffffff0@74
-|++0#0000e05#a8a8a8255|-@1| @1|2| |l|i|n|e|s|:| |d|e|f| |{|"|F|"|}|{|"|o|"|}|{|"|o|"|}|(|)|-@39
+|++0#0000e05#a8a8a8255|-@1| @1|3| |l|i|n|e|s|:| |d|e|f|!| |F|o@1|(|)|:| |n|u|m|b|e|r|-@42
 | +0#0000000#ffffff0@74
 @57|1|9|,|1| @9|1|2|%| 
diff --git a/runtime/syntax/testdir/dumps/vim_ex_def_fold_02.dump b/runtime/syntax/testdir/dumps/vim_ex_def_fold_02.dump
index d9668cd..2cfdcd4 100644
--- a/runtime/syntax/testdir/dumps/vim_ex_def_fold_02.dump
+++ b/runtime/syntax/testdir/dumps/vim_ex_def_fold_02.dump
@@ -1,20 +1,20 @@
-| +0&#ffffff0@74
-|++0#0000e05#a8a8a8255|-@1| @1|2| |l|i|n|e|s|:| |d|e|f| |F|o|{|"|o|"|}|(|)|-@47
-| +0#0000000#ffffff0@74
-|++0#0000e05#a8a8a8255|-@1| @1|2| |l|i|n|e|s|:| |d|e|f| |{|"|F|"|}|o|{|"|o|"|}|(|)|-@43
-| +0#0000000#ffffff0@74
->++0#0000e05#a8a8a8255|-@1| @1|2| |l|i|n|e|s|:| |d|e|f| |{|"|F|"|}|{|"|o|"|}|{|"|o|"|}|(|)|-@39
-| +0#0000000#ffffff0@74
-|++0#0000e05#a8a8a8255|-@1| @1|3| |l|i|n|e|s|:| |d|e|f| |F|o@1|(|)|:| |n|u|m|b|e|r|-@43
-| +0#0000000#ffffff0@74
-|#+0#0000e05&| |t|r|a|i|l|i|n|g| |w|h|i|t|e|s|p|a|c|e| +0#0000000&@53
+|"+0#0000e05#ffffff0| |t|r|a|i|l|i|n|g| |w|h|i|t|e|s|p|a|c|e| +0#0000000&@53
 |++0#0000e05#a8a8a8255|-@1| @1|3| |l|i|n|e|s|:| |d|e|f| |F|o@1|(|)|:| |n|u|m|b|e|r| @1|-@41
 | +0#0000000#ffffff0@74
 |++0#0000e05#a8a8a8255|-@1| @1|2| |l|i|n|e|s|:| |d|e|f| |F|o@1|(|)| |#| |c|o|m@1|e|n|t|-@41
 | +0#0000000#ffffff0@74
-|++0#0000e05#a8a8a8255|-@1| @1|3| |l|i|n|e|s|:| |d|e|f| |F|o@1|(|)|:| |n|u|m|b|e|r| |#| |c|o|m@1|e|n|t|-@33
+>++0#0000e05#a8a8a8255|-@1| @1|3| |l|i|n|e|s|:| |d|e|f| |F|o@1|(|)|:| |n|u|m|b|e|r| |#| |c|o|m@1|e|n|t|-@33
 | +0#0000000#ffffff0@74
 |++0#0000e05#a8a8a8255|-@1| @1|3| |l|i|n|e|s|:| |d|e|f|!| |F|o@1|(|)|:| |n|u|m|b|e|r|-@42
 | +0#0000000#ffffff0@74
 |++0#0000e05#a8a8a8255|-@1| @1|3| |l|i|n|e|s|:| |d|e|f| |g|:|F|o@1|(|)|:| |n|u|m|b|e|r|-@41
-| +0#0000000#ffffff0@56|3|7|,|1| @9|3|0|%| 
+| +0#0000000#ffffff0@74
+|++0#0000e05#a8a8a8255|-@1| @1|3| |l|i|n|e|s|:| |d|e|f| |s|:|F|o@1|(|)|:| |n|u|m|b|e|r|-@41
+| +0#0000000#ffffff0@74
+|++0#0000e05#a8a8a8255|-@1| @1|3| |l|i|n|e|s|:| |d|e|f| |<|S|I|D|>|F|o@1|(|)|:| |n|u|m|b|e|r|-@38
+| +0#0000000#ffffff0@74
+|++0#0000e05#a8a8a8255|-@1| @1|3| |l|i|n|e|s|:| |d|e|f| |f|o@1|#|b|a|r|#|F|o@1|(|)|:| |n|u|m|b|e|r|-@35
+| +0#0000000#ffffff0@74
+|"+0#0000e05&| |s|a|m|e| |n|a|m|e| |a|s| |a|n| |E|x| |c|o|m@1|a|n|d| +0#0000000&@46
+|++0#0000e05#a8a8a8255|-@1| @1|2| |l|i|n|e|s|:| |d|e|f| |s|:|l|s|(|)|-@50
+| +0#0000000#ffffff0@56|3|7|,|1| @9|2|7|%| 
diff --git a/runtime/syntax/testdir/dumps/vim_ex_def_fold_03.dump b/runtime/syntax/testdir/dumps/vim_ex_def_fold_03.dump
index d20fb79..6673415 100644
--- a/runtime/syntax/testdir/dumps/vim_ex_def_fold_03.dump
+++ b/runtime/syntax/testdir/dumps/vim_ex_def_fold_03.dump
@@ -1,20 +1,20 @@
 | +0&#ffffff0@74
-|++0#0000e05#a8a8a8255|-@1| @1|2| |l|i|n|e|s|:| |d|e|f| |F|o@1|(|)| |#| |c|o|m@1|e|n|t|-@41
-| +0#0000000#ffffff0@74
-|++0#0000e05#a8a8a8255|-@1| @1|3| |l|i|n|e|s|:| |d|e|f| |F|o@1|(|)|:| |n|u|m|b|e|r| |#| |c|o|m@1|e|n|t|-@33
-| +0#0000000#ffffff0@74
->++0#0000e05#a8a8a8255|-@1| @1|3| |l|i|n|e|s|:| |d|e|f|!| |F|o@1|(|)|:| |n|u|m|b|e|r|-@42
-| +0#0000000#ffffff0@74
-|++0#0000e05#a8a8a8255|-@1| @1|3| |l|i|n|e|s|:| |d|e|f| |g|:|F|o@1|(|)|:| |n|u|m|b|e|r|-@41
-| +0#0000000#ffffff0@74
 |++0#0000e05#a8a8a8255|-@1| @1|3| |l|i|n|e|s|:| |d|e|f| |s|:|F|o@1|(|)|:| |n|u|m|b|e|r|-@41
 | +0#0000000#ffffff0@74
 |++0#0000e05#a8a8a8255|-@1| @1|3| |l|i|n|e|s|:| |d|e|f| |<|S|I|D|>|F|o@1|(|)|:| |n|u|m|b|e|r|-@38
 | +0#0000000#ffffff0@74
-|++0#0000e05#a8a8a8255|-@1| @1|3| |l|i|n|e|s|:| |d|e|f| |f|o@1|#|b|a|r|#|F|o@1|(|)|:| |n|u|m|b|e|r|-@35
+>++0#0000e05#a8a8a8255|-@1| @1|3| |l|i|n|e|s|:| |d|e|f| |f|o@1|#|b|a|r|#|F|o@1|(|)|:| |n|u|m|b|e|r|-@35
 | +0#0000000#ffffff0@74
 |"+0#0000e05&| |s|a|m|e| |n|a|m|e| |a|s| |a|n| |E|x| |c|o|m@1|a|n|d| +0#0000000&@46
 |++0#0000e05#a8a8a8255|-@1| @1|2| |l|i|n|e|s|:| |d|e|f| |s|:|l|s|(|)|-@50
 | +0#0000000#ffffff0@74
 @75
-@57|5@1|,|1| @9|4|9|%| 
+|"+0#0000e05&| |r|e|t|u|r|n| |t|y|p|e|s| +0#0000000&@60
+@75
+|++0#0000e05#a8a8a8255|-@1| @1|2| |l|i|n|e|s|:| |d|e|f| |F|o@1|(|)|:| |v|o|i|d|-@45
+| +0#0000000#ffffff0@74
+|++0#0000e05#a8a8a8255|-@1| @1|2| |l|i|n|e|s|:| |d|e|f| |F|o@1|(|)|:| |v|o|i|d| |#| |c|o|m@1|e|n|t|-@35
+| +0#0000000#ffffff0@74
+|++0#0000e05#a8a8a8255|-@1| @1|2| |l|i|n|e|s|:| |d|e|f| |F|o@1|(|)|:| |l|i|s|t|<|d|i|c|t|<|n|u|m|b|e|r|>@1|-@31
+| +0#0000000#ffffff0@74
+@57|5@1|,|1| @9|4@1|%| 
diff --git a/runtime/syntax/testdir/dumps/vim_ex_def_fold_04.dump b/runtime/syntax/testdir/dumps/vim_ex_def_fold_04.dump
index bc95a8b..d2f047b 100644
--- a/runtime/syntax/testdir/dumps/vim_ex_def_fold_04.dump
+++ b/runtime/syntax/testdir/dumps/vim_ex_def_fold_04.dump
@@ -1,20 +1,20 @@
 | +0&#ffffff0@74
-|++0#0000e05#a8a8a8255|-@1| @1|3| |l|i|n|e|s|:| |d|e|f| |s|:|F|o@1|(|)|:| |n|u|m|b|e|r|-@41
+|++0#0000e05#a8a8a8255|-@1| @1|2| |l|i|n|e|s|:| |d|e|f| |F|o@1|(|)|:| |v|o|i|d|-@45
 | +0#0000000#ffffff0@74
-|++0#0000e05#a8a8a8255|-@1| @1|3| |l|i|n|e|s|:| |d|e|f| |<|S|I|D|>|F|o@1|(|)|:| |n|u|m|b|e|r|-@38
+|++0#0000e05#a8a8a8255|-@1| @1|2| |l|i|n|e|s|:| |d|e|f| |F|o@1|(|)|:| |v|o|i|d| |#| |c|o|m@1|e|n|t|-@35
 | +0#0000000#ffffff0@74
->++0#0000e05#a8a8a8255|-@1| @1|3| |l|i|n|e|s|:| |d|e|f| |f|o@1|#|b|a|r|#|F|o@1|(|)|:| |n|u|m|b|e|r|-@35
+>++0#0000e05#a8a8a8255|-@1| @1|2| |l|i|n|e|s|:| |d|e|f| |F|o@1|(|)|:| |l|i|s|t|<|d|i|c|t|<|n|u|m|b|e|r|>@1|-@31
 | +0#0000000#ffffff0@74
-|"+0#0000e05&| |s|a|m|e| |n|a|m|e| |a|s| |a|n| |E|x| |c|o|m@1|a|n|d| +0#0000000&@46
-|++0#0000e05#a8a8a8255|-@1| @1|2| |l|i|n|e|s|:| |d|e|f| |s|:|l|s|(|)|-@50
+|++0#0000e05#a8a8a8255|-@1| @1|2| |l|i|n|e|s|:| |d|e|f| |F|o@1|(|)|:| |f|u|n|c|(|d|i|c|t|<|l|i|s|t|<|n|u|m|b|e|r|>@1|,| |f|u|n|c|,| |b|o@1|l|,| |f|u|n|c|(|n|u|m|b|e|r|,| 
 | +0#0000000#ffffff0@74
 @75
-|"+0#0000e05&| |r|e|t|u|r|n| |t|y|p|e|s| +0#0000000&@60
+|"+0#0000e05&| |:|e|n|d@1|e|f| |t|r|a|i|l|i|n|g| +0#0000000&@56
 @75
-|++0#0000e05#a8a8a8255|-@1| @1|2| |l|i|n|e|s|:| |d|e|f| |F|o@1|(|)|:| |v|o|i|d|-@45
+|++0#0000e05#a8a8a8255|-@1| @1|3| |l|i|n|e|s|:| |d|e|f| |F|o@1|(|)|-@51
 | +0#0000000#ffffff0@74
-|++0#0000e05#a8a8a8255|-@1| @1|2| |l|i|n|e|s|:| |d|e|f| |F|o@1|(|)|:| |v|o|i|d| |#| |c|o|m@1|e|n|t|-@35
+|++0#0000e05#a8a8a8255|-@1| @1|2| |l|i|n|e|s|:| |d|e|f| |F|o@1|(|)|-@51
 | +0#0000000#ffffff0@74
-|++0#0000e05#a8a8a8255|-@1| @1|2| |l|i|n|e|s|:| |d|e|f| |F|o@1|(|)|:| |l|i|s|t|<|d|i|c|t|<|n|u|m|b|e|r|>@1|-@31
+|++0#0000e05#a8a8a8255|-@1| @1|2| |l|i|n|e|s|:| |d|e|f| |F|o@1|(|)|-@51
 | +0#0000000#ffffff0@74
+@75
 @57|7|3|,|1| @9|6|2|%| 
diff --git a/runtime/syntax/testdir/dumps/vim_ex_def_fold_05.dump b/runtime/syntax/testdir/dumps/vim_ex_def_fold_05.dump
index cc31e3d..e2decdb 100644
--- a/runtime/syntax/testdir/dumps/vim_ex_def_fold_05.dump
+++ b/runtime/syntax/testdir/dumps/vim_ex_def_fold_05.dump
@@ -1,20 +1,20 @@
 | +0&#ffffff0@74
-|++0#0000e05#a8a8a8255|-@1| @1|2| |l|i|n|e|s|:| |d|e|f| |F|o@1|(|)|:| |v|o|i|d| |#| |c|o|m@1|e|n|t|-@35
-| +0#0000000#ffffff0@74
-|++0#0000e05#a8a8a8255|-@1| @1|2| |l|i|n|e|s|:| |d|e|f| |F|o@1|(|)|:| |l|i|s|t|<|d|i|c|t|<|n|u|m|b|e|r|>@1|-@31
+|++0#0000e05#a8a8a8255|-@1| @1|2| |l|i|n|e|s|:| |d|e|f| |F|o@1|(|)|-@51
 | +0#0000000#ffffff0@74
->++0#0000e05#a8a8a8255|-@1| @1|2| |l|i|n|e|s|:| |d|e|f| |F|o@1|(|)|:| |f|u|n|c|(|d|i|c|t|<|l|i|s|t|<|n|u|m|b|e|r|>@1|,| |f|u|n|c|,| |b|o@1|l|,| |f|u|n|c|(|n|u|m|b|e|r|,| 
+|++0#0000e05#a8a8a8255|-@1| @1|2| |l|i|n|e|s|:| |d|e|f| |F|o@1|(|)|-@51
 | +0#0000000#ffffff0@74
+> @74
+|"+0#0000e05&| |p|a|r|a|m|e|t|e|r|s| +0#0000000&@62
 @75
-|"+0#0000e05&| |:|e|n|d@1|e|f| |t|r|a|i|l|i|n|g| +0#0000000&@56
-@75
-|++0#0000e05#a8a8a8255|-@1| @1|3| |l|i|n|e|s|:| |d|e|f| |F|o@1|(|)|-@51
+|++0#0000e05#a8a8a8255|-@1| @1|2| |l|i|n|e|s|:| |d|e|f| |F|o@1|(|x|:| |b|o@1|l|,| |y| |=| |4|2|,| |z|:| |s|t|r|i|n|g| |=| |"|z|e|d|"|)|-@17
 | +0#0000000#ffffff0@74
-|++0#0000e05#a8a8a8255|-@1| @1|2| |l|i|n|e|s|:| |d|e|f| |F|o@1|(|)|-@51
-| +0#0000000#ffffff0@74
-|++0#0000e05#a8a8a8255|-@1| @1|2| |l|i|n|e|s|:| |d|e|f| |F|o@1|(|)|-@51
+|++0#0000e05#a8a8a8255|-@1| @1|5| |l|i|n|e|s|:| |d|e|f| |F|o@1|(|-@52
 | +0#0000000#ffffff0@74
 @75
-|"+0#0000e05&| |p|a|r|a|m|e|t|e|r|s| +0#0000000&@62
+|"+0#0000e05&| |c|o|m@1|e|n|t|s| +0#0000000&@64
+@75
+|++0#0000e05#a8a8a8255|-@1| @1|4| |l|i|n|e|s|:| |d|e|f| |F|o@1|(|)|-@51
+| +0#0000000#ffffff0@74
 @75
-@57|9|1|,|1| @9|8|3|%| 
+|"+0#0000e05&| |f|o|l|d|-|r|e|g|i|o|n| |e|n|d|i|n|g| +0#0000000&@54
+@57|9|1|,|0|-|1| @7|8|2|%| 
diff --git a/runtime/syntax/testdir/dumps/vim_ex_def_fold_06.dump b/runtime/syntax/testdir/dumps/vim_ex_def_fold_06.dump
index c93c671..2997eb8 100644
--- a/runtime/syntax/testdir/dumps/vim_ex_def_fold_06.dump
+++ b/runtime/syntax/testdir/dumps/vim_ex_def_fold_06.dump
@@ -1,20 +1,20 @@
-| +0&#ffffff0@74
-|++0#0000e05#a8a8a8255|-@1| @1|2| |l|i|n|e|s|:| |d|e|f| |F|o@1|(|)|-@51
-| +0#0000000#ffffff0@74
-@75
-|"+0#0000e05&| |p|a|r|a|m|e|t|e|r|s| +0#0000000&@62
-> @74
-|++0#0000e05#a8a8a8255|-@1| @1|2| |l|i|n|e|s|:| |d|e|f| |F|o@1|(|x|:| |b|o@1|l|,| |y| |=| |4|2|,| |z|:| |s|t|r|i|n|g| |=| |"|z|e|d|"|)|-@17
-| +0#0000000#ffffff0@74
 |++0#0000e05#a8a8a8255|-@1| @1|5| |l|i|n|e|s|:| |d|e|f| |F|o@1|(|-@52
 | +0#0000000#ffffff0@74
 @75
 |"+0#0000e05&| |c|o|m@1|e|n|t|s| +0#0000000&@64
 @75
-|++0#0000e05#a8a8a8255|-@1| @1|4| |l|i|n|e|s|:| |d|e|f| |F|o@1|(|)|-@51
+>++0#0000e05#a8a8a8255|-@1| @1|4| |l|i|n|e|s|:| |d|e|f| |F|o@1|(|)|-@51
+| +0#0000000#ffffff0@74
+@75
+|"+0#0000e05&| |f|o|l|d|-|r|e|g|i|o|n| |e|n|d|i|n|g| +0#0000000&@54
+@75
+|++0#0000e05#a8a8a8255|-@1| @1|3| |l|i|n|e|s|:| |d|e|f| |F|o@1|(|)|-@51
+| +0#0000000#ffffff0@74
+|++0#0000e05#a8a8a8255|-@1| @1|3| |l|i|n|e|s|:| |d|e|f| |F|o@1|(|)|-@51
+| +0#0000000#ffffff0@74
+|++0#0000e05#a8a8a8255|-@1| @1|5| |l|i|n|e|s|:| |d|e|f| |F|o@1|(|)|-@51
+| +0#0000000#ffffff0@74
+|++0#0000e05#a8a8a8255|-@1| @1|2| |l|i|n|e|s|:| |:|d|e|f| |F|o@1|(|)|-@50
 | +0#0000000#ffffff0@74
 |~+0#4040ff13&| @73
-|~| @73
-|~| @73
-|~| @73
-| +0#0000000&@56|1|0|9|,|0|-|1| @6|B|o|t| 
+| +0#0000000&@56|1|0|9|,|1| @8|B|o|t| 
diff --git a/runtime/syntax/testdir/dumps/vim_ex_def_fold_07.dump b/runtime/syntax/testdir/dumps/vim_ex_def_fold_07.dump
new file mode 100644
index 0000000..b11b61e
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/vim_ex_def_fold_07.dump
@@ -0,0 +1,20 @@
+|++0#0000e05#a8a8a8255|-@1| @1|3| |l|i|n|e|s|:| |d|e|f| |F|o@1|(|)|-@51
+| +0#0000000#ffffff0@74
+|++0#0000e05#a8a8a8255|-@1| @1|3| |l|i|n|e|s|:| |d|e|f| |F|o@1|(|)|-@51
+| +0#0000000#ffffff0@74
+|++0#0000e05#a8a8a8255|-@1| @1|5| |l|i|n|e|s|:| |d|e|f| |F|o@1|(|)|-@51
+> +0#0000000#ffffff0@74
+|++0#0000e05#a8a8a8255|-@1| @1|2| |l|i|n|e|s|:| |:|d|e|f| |F|o@1|(|)|-@50
+| +0#0000000#ffffff0@74
+|~+0#4040ff13&| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+| +0#0000000&@56|1|2|7|,|0|-|1| @6|B|o|t| 
diff --git a/runtime/syntax/testdir/dumps/vim_ex_def_fold_99.dump b/runtime/syntax/testdir/dumps/vim_ex_def_fold_99.dump
index 0b4fce2..3020a24 100644
--- a/runtime/syntax/testdir/dumps/vim_ex_def_fold_99.dump
+++ b/runtime/syntax/testdir/dumps/vim_ex_def_fold_99.dump
@@ -1,20 +1,20 @@
 | +0&#ffffff0@74
-|++0#0000e05#a8a8a8255|-@1| @1|3| |l|i|n|e|s|:| |d|e|f| |F|o@1|(|)|-@51
-| +0#0000000#ffffff0@74
-|++0#0000e05#a8a8a8255|-@1| @1|2| |l|i|n|e|s|:| |d|e|f| |F|o@1|(|)|-@51
-| +0#0000000#ffffff0@74
-|++0#0000e05#a8a8a8255|-@1| @1|2| |l|i|n|e|s|:| |d|e|f| |F|o@1|(|)|-@51
-| +0#0000000#ffffff0@74
-@75
-|"+0#0000e05&| |p|a|r|a|m|e|t|e|r|s| +0#0000000&@62
-@75
-|++0#0000e05#a8a8a8255|-@1| @1|2| |l|i|n|e|s|:| |d|e|f| |F|o@1|(|x|:| |b|o@1|l|,| |y| |=| |4|2|,| |z|:| |s|t|r|i|n|g| |=| |"|z|e|d|"|)|-@17
-| +0#0000000#ffffff0@74
 |++0#0000e05#a8a8a8255|-@1| @1|5| |l|i|n|e|s|:| |d|e|f| |F|o@1|(|-@52
 | +0#0000000#ffffff0@74
 @75
 |"+0#0000e05&| |c|o|m@1|e|n|t|s| +0#0000000&@64
 @75
 |++0#0000e05#a8a8a8255|-@1| @1|4| |l|i|n|e|s|:| |d|e|f| |F|o@1|(|)|-@51
+| +0#0000000#ffffff0@74
+@75
+|"+0#0000e05&| |f|o|l|d|-|r|e|g|i|o|n| |e|n|d|i|n|g| +0#0000000&@54
+@75
+|++0#0000e05#a8a8a8255|-@1| @1|3| |l|i|n|e|s|:| |d|e|f| |F|o@1|(|)|-@51
+| +0#0000000#ffffff0@74
+|++0#0000e05#a8a8a8255|-@1| @1|3| |l|i|n|e|s|:| |d|e|f| |F|o@1|(|)|-@51
+| +0#0000000#ffffff0@74
+|++0#0000e05#a8a8a8255|-@1| @1|5| |l|i|n|e|s|:| |d|e|f| |F|o@1|(|)|-@51
+| +0#0000000#ffffff0@74
+|++0#0000e05#a8a8a8255|-@1| @1|2| |l|i|n|e|s|:| |:|d|e|f| |F|o@1|(|)|-@50
 > +0#0000000#ffffff0@74
-@57|1|2|6|,|0|-|1| @6|B|o|t| 
+@57|1|3|0|,|0|-|1| @6|B|o|t| 
diff --git a/runtime/syntax/testdir/dumps/vim_ex_def_nested_00.dump b/runtime/syntax/testdir/dumps/vim_ex_def_nested_00.dump
new file mode 100644
index 0000000..9f6d437
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/vim_ex_def_nested_00.dump
@@ -0,0 +1,20 @@
+>v+0#af5f00255#ffffff0|i|m|9|s|c|r|i|p|t| +0#0000000&@64
+|#+0#0000e05&| |V|i|m|9| |:|d|e|f| |c|o|m@1|a|n|d| |(|n|e|s|t|e|d|)| +0#0000000&@46
+@75
+|c+0#af5f00255&|l|a|s@1| +0#0000000&|T|e|s|t| @64
+@4|c+0#af5f00255&|o|n|s|t| +0#0000000&|n+0#00e0e07&|a|m|e|:+0#0000000&| |s|t|r|i|n|g| @52
+@75
+@4|d+0#af5f00255&|e|f| +0#0000000&|n|e|w|(+0#e000e06&|)| +0#0000000&@61
+@8|d+0#af5f00255&|e|f| +0#0000000&|N|a|m|e|(+0#e000e06&|)|:+0#0000000&| |s+0#00e0003&|t|r|i|n|g| +0#0000000&@48
+@12|f+0#af5f00255&|u|n|c|t|i|o|n| +0#0000000&|G|i|v|e|N|a|m|e|(+0#e000e06&|)| +0#0000000&@43
+@16|r+0#af5f00255&|e|t|u|r|n| +0#0000000&|"+0#e000002&|a|n|y|"| +0#0000000&@46
+@12|e+0#af5f00255&|n|d|f|u|n|c|t|i|o|n| +0#0000000&@51
+@75
+@12|r+0#af5f00255&|e|t|u|r|n| +0#0000000&|G|i|v|e|N|a|m|e|(+0#e000e06&|)| +0#0000000&@45
+@8|e+0#af5f00255&|n|d@1|e|f| +0#0000000&@60
+@75
+@8|t+0#af5f00255&|h|i|s|.|n+0#0000000&|a|m|e| |=+0#af5f00255&| +0#0000000&|N|a|m|e|(+0#e000e06&|)| +0#0000000&@48
+@4|e+0#af5f00255&|n|d@1|e|f| +0#0000000&@64
+|e+0#af5f00255&|n|d|c|l|a|s@1| +0#0000000&@66
+@75
+@57|1|,|1| @10|T|o|p| 
diff --git a/runtime/syntax/testdir/dumps/vim_ex_def_nested_99.dump b/runtime/syntax/testdir/dumps/vim_ex_def_nested_99.dump
new file mode 100644
index 0000000..15c078a
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/vim_ex_def_nested_99.dump
@@ -0,0 +1,20 @@
+|#+0#0000e05#ffffff0| |V|i|m|9| |:|d|e|f| |c|o|m@1|a|n|d| |(|n|e|s|t|e|d|)| +0#0000000&@46
+@75
+|c+0#af5f00255&|l|a|s@1| +0#0000000&|T|e|s|t| @64
+@4|c+0#af5f00255&|o|n|s|t| +0#0000000&|n+0#00e0e07&|a|m|e|:+0#0000000&| |s|t|r|i|n|g| @52
+@75
+@4|d+0#af5f00255&|e|f| +0#0000000&|n|e|w|(+0#e000e06&|)| +0#0000000&@61
+@8|d+0#af5f00255&|e|f| +0#0000000&|N|a|m|e|(+0#e000e06&|)|:+0#0000000&| |s+0#00e0003&|t|r|i|n|g| +0#0000000&@48
+@12|f+0#af5f00255&|u|n|c|t|i|o|n| +0#0000000&|G|i|v|e|N|a|m|e|(+0#e000e06&|)| +0#0000000&@43
+@16|r+0#af5f00255&|e|t|u|r|n| +0#0000000&|"+0#e000002&|a|n|y|"| +0#0000000&@46
+@12|e+0#af5f00255&|n|d|f|u|n|c|t|i|o|n| +0#0000000&@51
+@75
+@12|r+0#af5f00255&|e|t|u|r|n| +0#0000000&|G|i|v|e|N|a|m|e|(+0#e000e06&|)| +0#0000000&@45
+@8|e+0#af5f00255&|n|d@1|e|f| +0#0000000&@60
+@75
+@8|t+0#af5f00255&|h|i|s|.|n+0#0000000&|a|m|e| |=+0#af5f00255&| +0#0000000&|N|a|m|e|(+0#e000e06&|)| +0#0000000&@48
+@4|e+0#af5f00255&|n|d@1|e|f| +0#0000000&@64
+|e+0#af5f00255&|n|d|c|l|a|s@1| +0#0000000&@66
+@75
+>e+0#af5f00255&|c|h|o| +0#0000000&|T|e|s|t|.|n|e|w|(+0#e000e06&|)| +0#0000000&@59
+@57|2|0|,|1| @9|B|o|t| 
diff --git a/runtime/syntax/testdir/dumps/vim_ex_def_nested_fold_00.dump b/runtime/syntax/testdir/dumps/vim_ex_def_nested_fold_00.dump
new file mode 100644
index 0000000..3bcaccc
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/vim_ex_def_nested_fold_00.dump
@@ -0,0 +1,20 @@
+| +0#0000e05#a8a8a8255@1>v+0#af5f00255#ffffff0|i|m|9|s|c|r|i|p|t| +0#0000000&@62
+| +0#0000e05#a8a8a8255@1|#+0&#ffffff0| |V|i|m|9| |:|d|e|f| |c|o|m@1|a|n|d| |(|n|e|s|t|e|d|)| +0#0000000&@44
+| +0#0000e05#a8a8a8255@1|#+0&#ffffff0| |V|I|M|_|T|E|S|T|_|S|E|T|U|P| |l|e|t| |g|:|v|i|m|s|y|n|_|f|o|l|d|i|n|g| |=| |'|f|'| +0#0000000&@29
+| +0#0000e05#a8a8a8255@1|#+0&#ffffff0| |V|I|M|_|T|E|S|T|_|S|E|T|U|P| |s|e|t|l| |f|d|c|=|2| |f|d|m|=|s|y|n|t|a|x| +0#0000000&@34
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diff --git a/runtime/syntax/testdir/dumps/vim_ex_def_nested_fold_01.dump b/runtime/syntax/testdir/dumps/vim_ex_def_nested_fold_01.dump
new file mode 100644
index 0000000..c1f9fa8
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/vim_ex_def_nested_fold_01.dump
@@ -0,0 +1,20 @@
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diff --git a/runtime/syntax/testdir/dumps/vim_ex_def_nested_fold_99.dump b/runtime/syntax/testdir/dumps/vim_ex_def_nested_fold_99.dump
new file mode 100644
index 0000000..84a08f8
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/vim_ex_def_nested_fold_99.dump
@@ -0,0 +1,20 @@
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diff --git a/runtime/syntax/testdir/dumps/vim_ex_function_fold_01.dump b/runtime/syntax/testdir/dumps/vim_ex_function_fold_01.dump
index 461531d..9034e28 100644
--- a/runtime/syntax/testdir/dumps/vim_ex_function_fold_01.dump
+++ b/runtime/syntax/testdir/dumps/vim_ex_function_fold_01.dump
@@ -17,4 +17,4 @@
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diff --git a/runtime/syntax/testdir/dumps/vim_ex_function_fold_02.dump b/runtime/syntax/testdir/dumps/vim_ex_function_fold_02.dump
index 3a64c7f..17e220f 100644
--- a/runtime/syntax/testdir/dumps/vim_ex_function_fold_02.dump
+++ b/runtime/syntax/testdir/dumps/vim_ex_function_fold_02.dump
@@ -17,4 +17,4 @@
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diff --git a/runtime/syntax/testdir/dumps/vim_ex_function_fold_03.dump b/runtime/syntax/testdir/dumps/vim_ex_function_fold_03.dump
index 3f26306..b229e6c 100644
--- a/runtime/syntax/testdir/dumps/vim_ex_function_fold_03.dump
+++ b/runtime/syntax/testdir/dumps/vim_ex_function_fold_03.dump
@@ -17,4 +17,4 @@
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diff --git a/runtime/syntax/testdir/dumps/vim_ex_function_fold_04.dump b/runtime/syntax/testdir/dumps/vim_ex_function_fold_04.dump
index 52423a2..d9aa1c9 100644
--- a/runtime/syntax/testdir/dumps/vim_ex_function_fold_04.dump
+++ b/runtime/syntax/testdir/dumps/vim_ex_function_fold_04.dump
@@ -17,4 +17,4 @@
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-| +0#0000000#ffffff0@56|7|3|,|1| @9|4|1|%| 
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diff --git a/runtime/syntax/testdir/dumps/vim_ex_function_fold_05.dump b/runtime/syntax/testdir/dumps/vim_ex_function_fold_05.dump
index d2acafc..989c504 100644
--- a/runtime/syntax/testdir/dumps/vim_ex_function_fold_05.dump
+++ b/runtime/syntax/testdir/dumps/vim_ex_function_fold_05.dump
@@ -17,4 +17,4 @@
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diff --git a/runtime/syntax/testdir/dumps/vim_ex_function_fold_06.dump b/runtime/syntax/testdir/dumps/vim_ex_function_fold_06.dump
index 354af8e..f6619c2 100644
--- a/runtime/syntax/testdir/dumps/vim_ex_function_fold_06.dump
+++ b/runtime/syntax/testdir/dumps/vim_ex_function_fold_06.dump
@@ -17,4 +17,4 @@
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diff --git a/runtime/syntax/testdir/dumps/vim_ex_function_fold_07.dump b/runtime/syntax/testdir/dumps/vim_ex_function_fold_07.dump
index fc403c5..8e84214 100644
--- a/runtime/syntax/testdir/dumps/vim_ex_function_fold_07.dump
+++ b/runtime/syntax/testdir/dumps/vim_ex_function_fold_07.dump
@@ -17,4 +17,4 @@
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diff --git a/runtime/syntax/testdir/dumps/vim_ex_function_fold_08.dump b/runtime/syntax/testdir/dumps/vim_ex_function_fold_08.dump
index 4d519d0..fb482ff 100644
--- a/runtime/syntax/testdir/dumps/vim_ex_function_fold_08.dump
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diff --git a/runtime/syntax/testdir/dumps/vim_ex_function_fold_09.dump b/runtime/syntax/testdir/dumps/vim_ex_function_fold_09.dump
index 8ecc529..4b6a2d2 100644
--- a/runtime/syntax/testdir/dumps/vim_ex_function_fold_09.dump
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diff --git a/runtime/syntax/testdir/dumps/vim_ex_function_fold_10.dump b/runtime/syntax/testdir/dumps/vim_ex_function_fold_10.dump
new file mode 100644
index 0000000..2e986c4
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diff --git a/runtime/syntax/testdir/dumps/vim_ex_function_fold_11.dump b/runtime/syntax/testdir/dumps/vim_ex_function_fold_11.dump
new file mode 100644
index 0000000..174e250
--- /dev/null
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diff --git a/runtime/syntax/testdir/dumps/vim_ex_function_fold_12.dump b/runtime/syntax/testdir/dumps/vim_ex_function_fold_12.dump
new file mode 100644
index 0000000..d68f8a1
--- /dev/null
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index b6770ef..04aa4ba 100644
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-|d+0#af5f00255&|e|l|f|u|n|c|t|i|o|n|!| +0#0000000&|F|o@1| @58
-|d+0#af5f00255&|e|l|f|u|n|c|t|i|o|n| +0#0000000&|f|o@1|.+0#af5f00255&|b+0#0000000&|a|r| @55
-> @74
-@57|1|8|3|,|0|-|1| @6|B|o|t| 
+|++0#0000e05#a8a8a8255|-@1| @1|6| |l|i|n|e|s|:| |f|u|n|c|t|i|o|n| |F|o@1|(|)|-@46
+| +0#0000000#ffffff0@74
+|++0#0000e05#a8a8a8255|-@1| @1|5| |l|i|n|e|s|:| |f|u|n|c|t|i|o|n| |F|o@1|(|)|-@46
+| +0#0000000#ffffff0@74
+|++0#0000e05#a8a8a8255|-@1| @1|2| |l|i|n|e|s|:| |:|f|u|n|c|t|i|o|n| |F|o@1|(|)|-@45
+> +0#0000000#ffffff0@74
+@57|2@1|3|,|0|-|1| @6|B|o|t| 
diff --git a/runtime/syntax/testdir/dumps/vim_ex_function_nested_00.dump b/runtime/syntax/testdir/dumps/vim_ex_function_nested_00.dump
new file mode 100644
index 0000000..6f0ca86
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/vim_ex_function_nested_00.dump
@@ -0,0 +1,20 @@
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+@57|1|,|1| @10|T|o|p| 
diff --git a/runtime/syntax/testdir/dumps/vim_ex_function_nested_01.dump b/runtime/syntax/testdir/dumps/vim_ex_function_nested_01.dump
new file mode 100644
index 0000000..640bdf5
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/vim_ex_function_nested_01.dump
@@ -0,0 +1,20 @@
+| +0&#ffffff0@3|e+0#af5f00255&|n|d|f|u|n|c|t|i|o|n| +0#0000000&@59
+@75
+@4|r+0#af5f00255&|e|t|u|r|n| +0#0000000&|D|o|F|u|n|B|(+0#e000e06&|)| +0#0000000&@55
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+@57|1|9|,|1| @9|6|8|%| 
diff --git a/runtime/syntax/testdir/dumps/vim_ex_function_nested_99.dump b/runtime/syntax/testdir/dumps/vim_ex_function_nested_99.dump
new file mode 100644
index 0000000..6ef83ef
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/vim_ex_function_nested_99.dump
@@ -0,0 +1,20 @@
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+|e+0#af5f00255&|n|d|f|u|n|c|t|i|o|n| +0#0000000&@63
+@75
+|e+0#af5f00255&|c|h|o| +0#0000000&|F|u|n|A|(+0#e000e06&|)| +0#0000000&@63
+|e+0#af5f00255&|c|h|o| +0#0000000&|F|u|n|B|(+0#e000e06&|)| +0#0000000&@63
+|e+0#af5f00255&|c|h|o| +0#0000000&|F|u|n|C|(+0#e000e06&|)| +0#0000000&@63
+>e+0#af5f00255&|c|h|o| +0#0000000&|F|u|n|D|(+0#e000e06&|)| +0#0000000&@63
+@57|3|8|,|1| @9|B|o|t| 
diff --git a/runtime/syntax/testdir/dumps/vim_ex_function_nested_fold_00.dump b/runtime/syntax/testdir/dumps/vim_ex_function_nested_fold_00.dump
new file mode 100644
index 0000000..7d658b7
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/vim_ex_function_nested_fold_00.dump
@@ -0,0 +1,20 @@
+| +0#0000e05#a8a8a8255@1>"+0&#ffffff0| |V|i|m| |:|d|e|f| |a|n|d| |:|f|u|n|c|t|i|o|n| |c|o|m@1|a|n|d|s| |(|n|e|s|t|e|d|)| +0#0000000&@30
+| +0#0000e05#a8a8a8255@1|"+0&#ffffff0| |V|I|M|_|T|E|S|T|_|S|E|T|U|P| |l|e|t| |g|:|v|i|m|s|y|n|_|f|o|l|d|i|n|g| |=| |'|f|'| +0#0000000&@29
+| +0#0000e05#a8a8a8255@1|"+0&#ffffff0| |V|I|M|_|T|E|S|T|_|S|E|T|U|P| |s|e|t|l| |f|d|c|=|2| |f|d|m|=|s|y|n|t|a|x| +0#0000000&@34
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+|++0#0000e05#a8a8a8255| |+|-@1| @1|7| |l|i|n|e|s|:| |d|e|f| |F|u|n|A|(|)|:| |s|t|r|i|n|g|-@40
+| @1| +0#0000000#ffffff0@72
+|++0#0000e05#a8a8a8255| |+|-@1| @1|7| |l|i|n|e|s|:| |d|e|f| |F|u|n|B|(|)|:| |s|t|r|i|n|g|-@40
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+|++0#0000e05#a8a8a8255| |+|-@1| @1|7| |l|i|n|e|s|:| |f|u|n|c|t|i|o|n| |F|u|n|D|(|)|-@43
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+| +0#0000e05#a8a8a8255@1|e+0#af5f00255#ffffff0|c|h|o| +0#0000000&|F|u|n|A|(+0#e000e06&|)| +0#0000000&@61
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+| +0#0000e05#a8a8a8255@1|e+0#af5f00255#ffffff0|c|h|o| +0#0000000&|F|u|n|C|(+0#e000e06&|)| +0#0000000&@61
+| +0#0000e05#a8a8a8255@1|e+0#af5f00255#ffffff0|c|h|o| +0#0000000&|F|u|n|D|(+0#e000e06&|)| +0#0000000&@61
+|~+0#4040ff13&| @73
+|~| @73
+|~| @73
+| +0#0000000&@56|1|,|1| @10|A|l@1| 
diff --git a/runtime/syntax/testdir/dumps/vim_ex_function_nested_fold_01.dump b/runtime/syntax/testdir/dumps/vim_ex_function_nested_fold_01.dump
new file mode 100644
index 0000000..96c1d34
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/vim_ex_function_nested_fold_01.dump
@@ -0,0 +1,20 @@
+| +0#0000e05#a8a8a8255@1|"+0&#ffffff0| |V|I|M|_|T|E|S|T|_|S|E|T|U|P| |l|e|t| |g|:|v|i|m|s|y|n|_|f|o|l|d|i|n|g| |=| |'|f|'| +0#0000000&@29
+| +0#0000e05#a8a8a8255@1|"+0&#ffffff0| |V|I|M|_|T|E|S|T|_|S|E|T|U|P| |s|e|t|l| |f|d|c|=|2| |f|d|m|=|s|y|n|t|a|x| +0#0000000&@34
+| +0#0000e05#a8a8a8255@1| +0#0000000#ffffff0@72
+|++0#0000e05#a8a8a8255| |+|-@1| @1|7| |l|i|n|e|s|:| |d|e|f| |F|u|n|A|(|)|:| |s|t|r|i|n|g|-@40
+| @1| +0#0000000#ffffff0@72
+|++0#0000e05#a8a8a8255| >+|-@1| @1|7| |l|i|n|e|s|:| |d|e|f| |F|u|n|B|(|)|:| |s|t|r|i|n|g|-@40
+| @1| +0#0000000#ffffff0@72
+|++0#0000e05#a8a8a8255| |+|-@1| @1|7| |l|i|n|e|s|:| |f|u|n|c|t|i|o|n| |F|u|n|C|(|)|-@43
+| @1| +0#0000000#ffffff0@72
+|++0#0000e05#a8a8a8255| |+|-@1| @1|7| |l|i|n|e|s|:| |f|u|n|c|t|i|o|n| |F|u|n|D|(|)|-@43
+| @1| +0#0000000#ffffff0@72
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+| +0#0000e05#a8a8a8255@1|e+0#af5f00255#ffffff0|c|h|o| +0#0000000&|F|u|n|C|(+0#e000e06&|)| +0#0000000&@61
+| +0#0000e05#a8a8a8255@1|e+0#af5f00255#ffffff0|c|h|o| +0#0000000&|F|u|n|D|(+0#e000e06&|)| +0#0000000&@61
+|~+0#4040ff13&| @73
+|~| @73
+|~| @73
+|~| @73
+| +0#0000000&@56|1|9|,|1| @9|B|o|t| 
diff --git a/runtime/syntax/testdir/dumps/vim_ex_function_nested_fold_02.dump b/runtime/syntax/testdir/dumps/vim_ex_function_nested_fold_02.dump
new file mode 100644
index 0000000..977aaa8
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/vim_ex_function_nested_fold_02.dump
@@ -0,0 +1,20 @@
+| +0#0000e05#a8a8a8255@1| +0#0000000#ffffff0@72
+|++0#0000e05#a8a8a8255| |+|-@1| @1|7| |l|i|n|e|s|:| |f|u|n|c|t|i|o|n| |F|u|n|C|(|)|-@43
+| @1| +0#0000000#ffffff0@72
+|++0#0000e05#a8a8a8255| |+|-@1| @1|7| |l|i|n|e|s|:| |f|u|n|c|t|i|o|n| |F|u|n|D|(|)|-@43
+| @1| +0#0000000#ffffff0@72
+| +0#0000e05#a8a8a8255@1>e+0#af5f00255#ffffff0|c|h|o| +0#0000000&|F|u|n|A|(+0#e000e06&|)| +0#0000000&@61
+| +0#0000e05#a8a8a8255@1|e+0#af5f00255#ffffff0|c|h|o| +0#0000000&|F|u|n|B|(+0#e000e06&|)| +0#0000000&@61
+| +0#0000e05#a8a8a8255@1|e+0#af5f00255#ffffff0|c|h|o| +0#0000000&|F|u|n|C|(+0#e000e06&|)| +0#0000000&@61
+| +0#0000e05#a8a8a8255@1|e+0#af5f00255#ffffff0|c|h|o| +0#0000000&|F|u|n|D|(+0#e000e06&|)| +0#0000000&@61
+|~+0#4040ff13&| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+| +0#0000000&@56|3|7|,|1| @9|B|o|t| 
diff --git a/runtime/syntax/testdir/dumps/vim_ex_function_nested_fold_99.dump b/runtime/syntax/testdir/dumps/vim_ex_function_nested_fold_99.dump
new file mode 100644
index 0000000..ad1fc05
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/vim_ex_function_nested_fold_99.dump
@@ -0,0 +1,20 @@
+| +0#0000e05#a8a8a8255@1|"+0&#ffffff0| |V|i|m| |:|d|e|f| |a|n|d| |:|f|u|n|c|t|i|o|n| |c|o|m@1|a|n|d|s| |(|n|e|s|t|e|d|)| +0#0000000&@30
+| +0#0000e05#a8a8a8255@1|"+0&#ffffff0| |V|I|M|_|T|E|S|T|_|S|E|T|U|P| |l|e|t| |g|:|v|i|m|s|y|n|_|f|o|l|d|i|n|g| |=| |'|f|'| +0#0000000&@29
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+|++0#0000e05#a8a8a8255| |+|-@1| @1|7| |l|i|n|e|s|:| |d|e|f| |F|u|n|B|(|)|:| |s|t|r|i|n|g|-@40
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+|++0#0000e05#a8a8a8255| |+|-@1| @1|7| |l|i|n|e|s|:| |f|u|n|c|t|i|o|n| |F|u|n|C|(|)|-@43
+| @1| +0#0000000#ffffff0@72
+|++0#0000e05#a8a8a8255| |+|-@1| @1|7| |l|i|n|e|s|:| |f|u|n|c|t|i|o|n| |F|u|n|D|(|)|-@43
+| @1| +0#0000000#ffffff0@72
+| +0#0000e05#a8a8a8255@1|e+0#af5f00255#ffffff0|c|h|o| +0#0000000&|F|u|n|A|(+0#e000e06&|)| +0#0000000&@61
+| +0#0000e05#a8a8a8255@1|e+0#af5f00255#ffffff0|c|h|o| +0#0000000&|F|u|n|B|(+0#e000e06&|)| +0#0000000&@61
+| +0#0000e05#a8a8a8255@1|e+0#af5f00255#ffffff0|c|h|o| +0#0000000&|F|u|n|C|(+0#e000e06&|)| +0#0000000&@61
+| +0#0000e05#a8a8a8255@1>e+0#af5f00255#ffffff0|c|h|o| +0#0000000&|F|u|n|D|(+0#e000e06&|)| +0#0000000&@61
+|~+0#4040ff13&| @73
+|~| @73
+|~| @73
+| +0#0000000&@56|4|0|,|1| @9|A|l@1| 
diff --git a/runtime/syntax/testdir/dumps/vim_expr_02.dump b/runtime/syntax/testdir/dumps/vim_expr_02.dump
index 3bfab4c..97a621d 100644
--- a/runtime/syntax/testdir/dumps/vim_expr_02.dump
+++ b/runtime/syntax/testdir/dumps/vim_expr_02.dump
@@ -17,4 +17,4 @@
 |e+0#af5f00255&|c|h|o| +0#0000000&@1|0+0#e000002&|O|3|7@1| +0#0000000&@63
 |e+0#af5f00255&|c|h|o| +0#0000000&|-+0#af5f00255&|0+0#e000002&|3|7@1| +0#0000000&@64
 |e+0#af5f00255&|c|h|o| +0#0000000&|-+0#af5f00255&|0+0#e000002&|o|3|7@1| +0#0000000&@63
-@57|3|7|,|1| @9|5|9|%| 
+@57|3|7|,|1| @9|5|8|%| 
diff --git a/runtime/syntax/testdir/dumps/vim_expr_03.dump b/runtime/syntax/testdir/dumps/vim_expr_03.dump
index 2322e7d..41f062f 100644
--- a/runtime/syntax/testdir/dumps/vim_expr_03.dump
+++ b/runtime/syntax/testdir/dumps/vim_expr_03.dump
@@ -8,13 +8,13 @@
 |e+0#af5f00255&|c|h|o| +0#0000000&|-+0#af5f00255&|0+0#e000002&|B|1@7| +0#0000000&@58
 @75
 |"+0#0000e05&| |F|l|o|a|t| +0#0000000&@67
-|1+0#e000002&|2|3|.|4|5|6| +0#0000000&@67
-|++0#af5f00255&|0+0#e000002&|.|0@2|1| +0#0000000&@67
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 @75
 |"+0#0000e05&| |B|l|o|b| +0#0000000&@68
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diff --git a/runtime/syntax/testdir/dumps/vim_expr_99.dump b/runtime/syntax/testdir/dumps/vim_expr_99.dump
index b8394fb..e9ba266 100644
--- a/runtime/syntax/testdir/dumps/vim_expr_99.dump
+++ b/runtime/syntax/testdir/dumps/vim_expr_99.dump
@@ -1,20 +1,20 @@
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diff --git a/runtime/syntax/testdir/dumps/vim_keymap_01.dump b/runtime/syntax/testdir/dumps/vim_keymap_01.dump
index 9a7a833..a07bfc4 100644
--- a/runtime/syntax/testdir/dumps/vim_keymap_01.dump
+++ b/runtime/syntax/testdir/dumps/vim_keymap_01.dump
@@ -17,4 +17,4 @@
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diff --git a/runtime/syntax/testdir/dumps/vim_keymap_99.dump b/runtime/syntax/testdir/dumps/vim_keymap_99.dump
index ad6b5a5..1b27d57 100644
--- a/runtime/syntax/testdir/dumps/vim_keymap_99.dump
+++ b/runtime/syntax/testdir/dumps/vim_keymap_99.dump
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new file mode 100644
index 0000000..8089fc1
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new file mode 100644
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new file mode 100644
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new file mode 100644
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new file mode 100644
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new file mode 100644
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new file mode 100644
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new file mode 100644
index 0000000..d16656d
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diff --git a/runtime/syntax/testdir/dumps/yaml.yaml_04.dump b/runtime/syntax/testdir/dumps/yaml.yaml_04.dump
new file mode 100644
index 0000000..6a3aecf
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/yaml.yaml_04.dump
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diff --git a/runtime/syntax/testdir/dumps/yaml.yaml_05.dump b/runtime/syntax/testdir/dumps/yaml.yaml_05.dump
new file mode 100644
index 0000000..c94413e
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/yaml.yaml_05.dump
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diff --git a/runtime/syntax/testdir/dumps/yaml.yaml_06.dump b/runtime/syntax/testdir/dumps/yaml.yaml_06.dump
new file mode 100644
index 0000000..dcd2e6a
--- /dev/null
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diff --git a/runtime/syntax/testdir/dumps/yaml.yaml_07.dump b/runtime/syntax/testdir/dumps/yaml.yaml_07.dump
new file mode 100644
index 0000000..6ba7ff1
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/yaml.yaml_07.dump
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diff --git a/runtime/syntax/testdir/dumps/yaml.yaml_08.dump b/runtime/syntax/testdir/dumps/yaml.yaml_08.dump
new file mode 100644
index 0000000..e2d7018
--- /dev/null
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diff --git a/runtime/syntax/testdir/dumps/yaml.yaml_99.dump b/runtime/syntax/testdir/dumps/yaml.yaml_99.dump
new file mode 100644
index 0000000..7467b76
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/yaml.yaml_99.dump
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new file mode 100644
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diff --git a/runtime/syntax/testdir/dumps/yaml_01.dump b/runtime/syntax/testdir/dumps/yaml_01.dump
new file mode 100644
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diff --git a/runtime/syntax/testdir/dumps/yaml_02.dump b/runtime/syntax/testdir/dumps/yaml_02.dump
new file mode 100644
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new file mode 100644
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new file mode 100644
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+@2|-+0#af5f00255&| +0#0000000&||+0#e000e06&|-|1| +0#0000e05&|#| |c|o|m@1|e|n|t| +0#0000000&@57
+@5|f|o@1| @66
+@5|b|a|r|:| |1| @63
+> @74
+|f+0#00e0e07&|l|o|w| |c|o|l@1|e|c|t|i|o|n|:+0#e000e06&| +0#0000000&@58
+@2|e+0#00e0e07&|m|p|t|y| |s|e|q|u|e|n|c|e|:+0#e000e06&| +0#0000000&|[+0#e000e06&|]| +0#0000000&@54
+@2|e+0#00e0e07&|m|p|t|y| |m|a|p@1|i|n|g|:+0#e000e06&| +0#0000000&|{+0#e000e06&|}| +0#0000000&@55
+@2|f+0#00e0e07&|l|o|w| |s|e|q|u|e|n|c|e|:+0#e000e06&| +0#0000000&|[+0#e000e06&|f+0#0000000&|o@1|,| |b|a|r|,| |b|a|z|]+0#e000e06&| +0#0000000&@42
+@2|f+0#00e0e07&|l|o|w| |m|a|p@1|i|n|g|:+0#e000e06&| +0#0000000&|{+0#e000e06&|f+0#00e0e07&|o@1|:+0#e000e06&| +0#0000000&|b|a|r|,| |b+0#00e0e07&|a|z|:+0#e000e06&| +0#0000000&|q|u|x|}+0#e000e06&| +0#0000000&@38
+@2|f+0#00e0e07&|l|o|w| |s|t|r|i|n|g|:+0#e000e06&| +0#0000000&@60
+@4|f|o@1| @67
+@4|b|a|r| @67
+@4|b|a|z| @67
+@2|"+0#e000002&|d|o|u|b|l|e| |q|u|o|t|e|d| |\+0#e000e06&|"| +0#e000002&|s|t|r|i|n|g|"|:+0#e000e06&| +0#0000000&|"+0#e000002&| +0#0000000&@44
+| +0#e000002&@3|f|o@1| +0#0000000&@67
+| +0#e000002&@3|b|a|r| +0#0000000&@67
+| +0#e000002&@3|b|a|z|"| +0#0000000&@66
+@57|7|3|,|0|-|1| @7|6|2|%| 
diff --git a/runtime/syntax/testdir/dumps/yaml_05.dump b/runtime/syntax/testdir/dumps/yaml_05.dump
new file mode 100644
index 0000000..d64c48b
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/yaml_05.dump
@@ -0,0 +1,20 @@
+| +0#e000002#ffffff0@3|b|a|z|"| +0#0000000&@66
+@2|'+0#e000002&|s|i|n|g|l|e| |q|u|o|t|e|d| |'+0#e000e06&@1| +0#e000002&|s|t|r|i|n|g|'|:+0#e000e06&| +0#0000000&|'+0#e000002&| +0#0000000&@44
+| +0#e000002&@3|f|o@1| +0#0000000&@67
+| +0#e000002&@3|b|a|r| +0#0000000&@67
+| +0#e000002&@3|b|a|z|'| +0#0000000&@66
+@2>i+0#00e0e07&|n|s|i|d|e| |b|l|o|c|k| |m|a|p@1|i|n|g|:+0#e000e06&| +0#0000000&@51
+@4|f+0#00e0e07&|o@1|:+0#e000e06&| +0#0000000&|{+0#e000e06&|b+0#00e0e07&|a|r|:+0#e000e06&| +0#0000000&|b|a|z|}+0#e000e06&| +0#0000000&@55
+@4|b+0#00e0e07&|a|r|:+0#e000e06&| +0#0000000&|[+0#e000e06&|"+0#e000002&|f|o@1|"|:+0#e000e06&| +0#0000000&|{+0#e000e06&|b+0#00e0e07&|a|z|:+0#e000e06&| +0#0000000&|q|u|x|}+0#e000e06&|]| +0#0000000&@46
+@2|f+0#00e0e07&|l|o|w| |c|o|l@1|e|c|t|i|o|n|:+0#e000e06&| +0#0000000&|[+0#e000e06&|f+0#0000000&|o@1| +0#0000e05&|#| |c|o|m@1|e|n|t| +0#0000000&@41
+@4|,| |{+0#e000e06&|b+0#00e0e07&|a|r|:+0#e000e06&| +0#0000000&|[+0#e000e06&|{| +0#0000e05&|#| |c|o|m@1|e|n|t| +0#0000000&@50
+@6|b+0#00e0e07&|a|z|:+0#e000e06&| +0#0000000&|'+0#e000002&| +0#0000000&@62
+| +0#e000002&@7|q|u|x| |#| |n|o|t| |c|o|m@1|e|n|t| +0#0000000&@49
+| +0#e000002&@5|'| +0#0000e05&|#| |c|o|m@1|e|n|t| +0#0000000&@57
+@4|}+0#e000e06&|]|}|]| +0#0000000&@66
+@75
+|e+0#00e0e07&|x|p|l|i|c|i|t| |m|a|p@1|i|n|g|:+0#e000e06&| +0#0000000&@57
+@2|?+0#e000e06&| +0#0000000&|f|o@1| +0#0000e05&|#| |c|o|m@1|e|n|t| +0#0000000&@57
+@2|:+0#e000e06&| +0#0000000&|b|a|r| +0#0000e05&|#| |c|o|m@1|e|n|t| +0#0000000&@57
+@2|?+0#e000e06&| +0#0000000&|-+0#af5f00255&| +0#0000000&|f|o@1| @65
+@57|9|1|,|3| @9|7|8|%| 
diff --git a/runtime/syntax/testdir/dumps/yaml_06.dump b/runtime/syntax/testdir/dumps/yaml_06.dump
new file mode 100644
index 0000000..f6c83c2
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/yaml_06.dump
@@ -0,0 +1,20 @@
+| +0&#ffffff0@1|?+0#e000e06&| +0#0000000&|-+0#af5f00255&| +0#0000000&|f|o@1| @65
+@4|-+0#af5f00255&| +0#0000000&|b|a|r| @65
+@2|:+0#e000e06&| +0#0000000&|-+0#af5f00255&| +0#0000000&|b|a|z| @65
+@4|-+0#af5f00255&| +0#0000000&|q|u|x| @65
+@2|?+0#e000e06&| +0#0000000&|[+0#e000e06&|1+0#e000002&|,+0#0000000&| |2+0#e000002&|,+0#0000000&| |3+0#e000002&|]+0#e000e06&| +0#0000000&@61
+@2>:+0#e000e06&| +0#0000000&|?+0#e000e06&| +0#0000000&|1+0#e000002&| +0#0000000&@67
+@4|:+0#e000e06&| +0#0000000&|o|n|e| @65
+@4|?+0#e000e06&| +0#0000000&|2+0#e000002&| +0#0000000&@67
+@4|:+0#e000e06&| +0#0000000&|-+0#af5f00255&| +0#0000000&|?+0#e000e06&| +0#0000000&|3+0#e000002&| +0#0000000&@63
+@8|:+0#e000e06&| +0#0000000&|t|h|r|e@1| @59
+@6|-+0#af5f00255&| +0#0000000&|{+0#e000e06&|?|4+0#00e0e07&|:+0#e000e06&| +0#0000000&|f|o|u|r|,| |?+0#e000e06&| +0#0000000&|5+0#00e0e07&|:+0#e000e06&| +0#0000000&|f|i|v|e|,| |?+0#e000e06&| +0#0000e05&|#| |c|o|m@1|e|n|t| +0#0000000&@33
+@8|6+0#00e0e07&|:+0#e000e06&| +0#0000e05&|#| |c|o|m@1|e|n|t| +0#0000000&@54
+@8|{+0#e000e06&|7+0#00e0e07&|:+0#e000e06&|s+0#0000000&|e|v|e|n|}+0#e000e06&@1| +0#0000000&@56
+@75
+|m+0#00e0e07&|a|p@1|i|n|g| |m|e|r|g|e|:+0#e000e06&| +0#0000000&@60
+@2|f+0#00e0e07&|o@1|:+0#e000e06&| +0#0000000&|&+0#00e0003&|f|o@1| +0#0000000&@63
+@4|b+0#00e0e07&|a|r|:+0#e000e06&| +0#0000000&|b|a|z| @62
+@2|b+0#00e0e07&|a|r|:+0#e000e06&| +0#0000000&@68
+@4|<+0#e000e06&@1|:| +0#0000000&|*+0#00e0003&|f|o@1| +0#0000000&@62
+@57|1|0|9|,|3| @8|9|5|%| 
diff --git a/runtime/syntax/testdir/dumps/yaml_07.dump b/runtime/syntax/testdir/dumps/yaml_07.dump
new file mode 100644
index 0000000..a21684f
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/yaml_07.dump
@@ -0,0 +1,20 @@
+| +0&#ffffff0@74
+|m+0#00e0e07&|a|p@1|i|n|g| |m|e|r|g|e|:+0#e000e06&| +0#0000000&@60
+@2|f+0#00e0e07&|o@1|:+0#e000e06&| +0#0000000&|&+0#00e0003&|f|o@1| +0#0000000&@63
+@4|b+0#00e0e07&|a|r|:+0#e000e06&| +0#0000000&|b|a|z| @62
+@2|b+0#00e0e07&|a|r|:+0#e000e06&| +0#0000000&@68
+@4><+0#e000e06&@1|:| +0#0000000&|*+0#00e0003&|f|o@1| +0#0000000&@62
+@4|b+0#00e0e07&|a|z|:+0#e000e06&| +0#0000000&|&+0#00e0003&|b|a|r| +0#0000000&@61
+@6|f+0#00e0e07&|o@1|:+0#e000e06&| +0#0000000&|[+0#e000e06&|*+0#00e0003&|f|o@1|]+0#e000e06&| +0#0000000&@57
+@4|q+0#00e0e07&|u|x|:+0#e000e06&| +0#0000000&@66
+@6|<+0#e000e06&@1|:| +0#0000000&|[+0#e000e06&|*+0#00e0003&|f|o@1|,+0#0000000&| |*+0#00e0003&|b|a|r|]+0#e000e06&| +0#0000000&@52
+@2|b+0#00e0e07&|a|z|:+0#e000e06&| +0#0000000&|{+0#e000e06&|<@1|:| +0#0000000&|*+0#00e0003&|f|o@1|,+0#0000000&| |q+0#00e0e07&|u|x|:+0#e000e06&| +0#0000000&|[+0#e000e06&|{|<@1| +0#0000000&|:+0#e000e06&| +0#0000000&|*+0#00e0003&|f|o@1|}+0#e000e06&|]|}| +0#0000000&@37
+|~+0#4040ff13&| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+| +0#0000000&@56|1|2|7|,|5| @8|B|o|t| 
diff --git a/runtime/syntax/testdir/dumps/yaml_99.dump b/runtime/syntax/testdir/dumps/yaml_99.dump
new file mode 100644
index 0000000..e81b373
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/yaml_99.dump
@@ -0,0 +1,20 @@
+| +0&#ffffff0@1|:+0#e000e06&| +0#0000000&|?+0#e000e06&| +0#0000000&|1+0#e000002&| +0#0000000&@67
+@4|:+0#e000e06&| +0#0000000&|o|n|e| @65
+@4|?+0#e000e06&| +0#0000000&|2+0#e000002&| +0#0000000&@67
+@4|:+0#e000e06&| +0#0000000&|-+0#af5f00255&| +0#0000000&|?+0#e000e06&| +0#0000000&|3+0#e000002&| +0#0000000&@63
+@8|:+0#e000e06&| +0#0000000&|t|h|r|e@1| @59
+@6|-+0#af5f00255&| +0#0000000&|{+0#e000e06&|?|4+0#00e0e07&|:+0#e000e06&| +0#0000000&|f|o|u|r|,| |?+0#e000e06&| +0#0000000&|5+0#00e0e07&|:+0#e000e06&| +0#0000000&|f|i|v|e|,| |?+0#e000e06&| +0#0000e05&|#| |c|o|m@1|e|n|t| +0#0000000&@33
+@8|6+0#00e0e07&|:+0#e000e06&| +0#0000e05&|#| |c|o|m@1|e|n|t| +0#0000000&@54
+@8|{+0#e000e06&|7+0#00e0e07&|:+0#e000e06&|s+0#0000000&|e|v|e|n|}+0#e000e06&@1| +0#0000000&@56
+@75
+|m+0#00e0e07&|a|p@1|i|n|g| |m|e|r|g|e|:+0#e000e06&| +0#0000000&@60
+@2|f+0#00e0e07&|o@1|:+0#e000e06&| +0#0000000&|&+0#00e0003&|f|o@1| +0#0000000&@63
+@4|b+0#00e0e07&|a|r|:+0#e000e06&| +0#0000000&|b|a|z| @62
+@2|b+0#00e0e07&|a|r|:+0#e000e06&| +0#0000000&@68
+@4|<+0#e000e06&@1|:| +0#0000000&|*+0#00e0003&|f|o@1| +0#0000000&@62
+@4|b+0#00e0e07&|a|z|:+0#e000e06&| +0#0000000&|&+0#00e0003&|b|a|r| +0#0000000&@61
+@6|f+0#00e0e07&|o@1|:+0#e000e06&| +0#0000000&|[+0#e000e06&|*+0#00e0003&|f|o@1|]+0#e000e06&| +0#0000000&@57
+@4|q+0#00e0e07&|u|x|:+0#e000e06&| +0#0000000&@66
+@6|<+0#e000e06&@1|:| +0#0000000&|[+0#e000e06&|*+0#00e0003&|f|o@1|,+0#0000000&| |*+0#00e0003&|b|a|r|]+0#e000e06&| +0#0000000&@52
+@2>b+0#00e0e07&|a|z|:+0#e000e06&| +0#0000000&|{+0#e000e06&|<@1|:| +0#0000000&|*+0#00e0003&|f|o@1|,+0#0000000&| |q+0#00e0e07&|u|x|:+0#e000e06&| +0#0000000&|[+0#e000e06&|{|<@1| +0#0000000&|:+0#e000e06&| +0#0000000&|*+0#00e0003&|f|o@1|}+0#e000e06&|]|}| +0#0000000&@37
+@57|1|2|7|,|3| @8|B|o|t| 
diff --git a/runtime/syntax/testdir/input/java_comments.java b/runtime/syntax/testdir/input/java_comments.java
index be347d7..3c1a8a2 100644
--- a/runtime/syntax/testdir/input/java_comments.java
+++ b/runtime/syntax/testdir/input/java_comments.java
@@ -1,11 +1,68 @@
-// VIM_TEST_SETUP unlet! g:java_ignore_javadoc g:java_no_trail_space_error 
-// VIM_TEST_SETUP unlet! g:java_no_tab_space_error	
+// VIM_TEST_SETUP unlet! g:java_ignore_javadoc g:java_no_trail_space_error
+// VIM_TEST_SETUP unlet! g:java_no_tab_space_error
 // VIM_TEST_SETUP let [g:java_space_errors,g:java_comment_strings] = [1,1]
-// 	VIM_TEST_SETUP setlocal spell
+// VIM_TEST_SETUP setlocal spell | highlight link javaCommentStart Todo
+
+
+
+
+/**/ /*/ */ /* /*/ /*/*/ /*//*/ /** Comment tests.
+ * <p>There is no entry point method {@code main}:
+ * {@snippet file = Snippets.java region = main id = _01}
+ * <p>There is no textual representation:
+ * {@snippet class = Snippets region = toString id = _02} */
 class CommentsTests
-{	/* 	TRAILING BLANKS AND MESSPILLINGS ARE SIGNIFICANT! */ 	
-	/**	
-	 * The method {@code main} must be declared {@code public}, {@code
+{
+	/** No-op, i. e. no operation.
+	* ({@literal@literal} may be used with {@code .} for contraction.)
+	* @return {@code null} */
+	Void noOp1() { return null; }
+
+	/** No-op, i.e. no operation.
+	* ({@literal<!-- -->} may be used after {@code .} for contraction.)
+	* @return {@code null} */
+	Void noOp2() { return null; }
+
+	/** No-op, i.e\u002e no operation.
+	* ({@literal\u005cu002e} is processed early, use alternatives.)
+	* @return {@code null} */
+	Void noOp3() { return null; }
+
+	/** No-op, i.e{@literal .} no operation.
+	* @return {@code null} */
+	Void noOp4() { return null; }
+
+	/** No-op, i.e.<!-- --> no operation.
+	* @return {@code null} */
+	Void noOp5() { return null; }
+
+	/** No-op, i.e.&nbsp;no operation.
+	* @return {@code null} */
+	Void noOp6() { return null; }
+
+	/** {@return {@code null}, with no-op, i.e. no operation} */
+	Void noOp7() { return null; }
+
+	/** {@return {@code null}, with no-op, i.e. no operation}.. */
+	Void noOp8() { return null; }
+
+	/** {@return {@code null}, with no-op, i.e. no operation} . . */
+	Void noOp9() { return null; }
+
+	/** Returns an empty string for an @Override annotated method
+	* (see Chapter 9.6.4.4 {@literal @Override} in a Java Language
+	* Specification) overridden from <code>java.lang.Object</code>
+	*
+	* @return an empty string */// No period for the above summary!
+	@Override public String toString() { return ""; }
+}
+
+// javadoc --snippet-path . --source-path . -d /tmp/doc/ -package \
+// 	-tag 'jls:a:See Java Language Specification:' Snippets.java
+/** Snippets for comment tests. */
+class Snippets
+{	/* 	TRAILING BLANKS AND MESSPILLINGS ARE SIGNIFICANT! */
+	/** The method {@code main} must be declared {@code public}, {@code
 	 * static}, and {@code void}.  It must specify a formal parameter
 	 * whose declared type is array of {@link String}.  Therefore,
 	 * either of the following declarations is acceptable:
@@ -16,10 +73,18 @@ class CommentsTests
 	 *{@code public static void main(String... args) { }}</pre>
 	 *
 	 * @param args optional commande-line arguments 
-	 * @jls 12.1.4 Invoke {@code Test.main}
-	 */
-	// @start region = main
+	 * @jls 12.1.4 Invoke {@code Test.main} */
+	// @start region = main		
 	// @link substring = 'String' target = 'java.lang.String' :
 	public static void main(String[] args) { }
-	// @end
+	// @end 
+
+	/** {@return an empty string}	
+	 * @see <a href="https://docs.oracle.com/javase/specs/jls/se21/html/jls-3.html#jls-3.10.5">3.10.5 String Literals</a>
+	 * @see Object#toString() */
+	// @start region = toString	
+	// @replace substring = '""' replacement = "\u0022\u0022"
+	// @link regex = '\bString' target = java.lang.String type = linkplain :
+	@Override public String toString() { return ""; }
+	// @end 
 }
diff --git a/runtime/syntax/testdir/input/java_contextual_keywords.java b/runtime/syntax/testdir/input/java_contextual_keywords.java
new file mode 100644
index 0000000..0940379
--- /dev/null
+++ b/runtime/syntax/testdir/input/java_contextual_keywords.java
@@ -0,0 +1,48 @@
+class ContextualKeywordsTests		// See JLS, §3.9 Keywords.
+{
+	private ContextualKeywordsTests() { throw new Error(); }
+
+	// ModuleDeclaration: module open.
+	void module()	{ Object module = null;		when(); }
+	void open()	{ Object open = null;		module(); }
+	// ModuleDirective: exports opens provides requires to uses with.
+	void exports()	{ Object exports = null;	open(); }
+	void opens()	{ Object opens = null;		exports(); }
+	void provides()	{ Object provides = null;	opens(); }
+	void requires()	{ Object requires = null;	provides(); }
+	void to()	{ Object to = null;		requires(); }
+	void uses()	{ Object uses = null;		to(); }
+	void with()	{ Object with = null;		uses(); }
+	// RequiresModifier: transitive.
+	void transitive() { Object transitive = null;	with(); }
+	// LocalVariableType | LambdaParameterType: var.
+	void var()	{ var var = new Object();	transitive(); }
+	// YieldStatement: yield (see java_switch.java).
+	void yield()	{ Object yield = null;		var(); }
+	// RecordDeclaration: record.
+	void record()	{ Object record = null;		this.yield(); }
+	// Normal{Class,Interface}Declaration: non-sealed permits sealed.
+	void permits()	{ Object permits = null;	record(); }
+	void sealed()	{ Object sealed = null;		permits(); }
+	// Guard: when (see java_switch.java).
+	void when()	{ Object when = null;		sealed(); }
+
+	sealed interface I1 permits C1, I3 { }
+	sealed interface I2 permits C1, I3 { }
+	non-sealed interface I3 extends I1, I2 { }
+	interface I4 extends I3 { }
+
+	abstract sealed class C1 implements I1, I2 permits C2, C3 { }
+	abstract non-sealed class C2 extends C1 { }
+	final class C3 extends C1 implements I3 { }
+	class C4 extends C2 { }
+
+	record R() implements I3 { }
+	enum E implements I3 { INSTANCE }
+
+	static <T> I<T> i1() { return (var var) -> var; }
+	static <T> I<T> i2() { return (T var) -> var; }
+	static <T> I<T> i3() { return (var) -> var; }
+	static <T> I<T> i4() { return var -> var; }
+	interface I<T> { T i(T i); default I<T> self() { return this; } }
+}
diff --git a/runtime/syntax/testdir/input/java_methods_indent.java b/runtime/syntax/testdir/input/java_methods_indent.java
new file mode 100644
index 0000000..627eb8b
--- /dev/null
+++ b/runtime/syntax/testdir/input/java_methods_indent.java
@@ -0,0 +1,70 @@
+// VIM_TEST_SETUP let g:java_highlight_functions = 'indent'
+
+
+import java.lang.annotation.Target;
+
+abstract class IndentMethodsTests
+{ // DO NOT retab! THIS FILE; REMEMBER ABOUT testdir/ftplugin.
+  protected IndentMethodsTests() { }
+
+  record Τʬ<α>(α a) { }
+
+  enum 𝓔
+  {
+        A("𝕬"), B("𝕭"), C("𝕮"), D("𝕯"),
+        E("𝕰"), F("𝕱"), G("𝕲"), H("𝕳");
+        final String 𝐬;
+        private 𝓔(String 𝐬) { this.𝐬 = 𝐬; }
+  }
+
+  @Target(java.lang.annotation.ElementType.METHOD)
+  @java.lang.annotation.Repeatable(Tɐggablɘs.class)
+  @interface Tɐggablɘ
+  {
+        String[] value() default "";
+  }
+
+  @Target(java.lang.annotation.ElementType.METHOD)
+  @interface Tɐggablɘs
+  {
+        Tɐggablɘ[] value();
+  }
+
+  interface Stylable<Α>
+  {
+        default void ascii$0_() { }
+        default Α μʭʭ$0_() { return null; }
+  }
+
+  @Tɐggablɘ @Tɐggablɘ
+  abstract void ascii$0_();
+
+  @Tɐggablɘ @Tɐggablɘ
+  abstract <α, β> Τʬ<α> μʭʭ$0_(β 𝛽);
+
+  @Tɐggablɘ
+  private native void ascii$1_();
+
+  @Tɐggablɘ
+  private native <α, β> Τʬ<α>[] μʭʭ$1_(
+                        java.util.function.Function<β, Τʬ<α>[]> ƒ);
+
+  static final native synchronized void ascii$98_();
+  static final native synchronized <α, β> Τʬ<α>[][] μʭʭ$98_(
+                        java.util.function.Function<β, Τʬ<α>[][]> ƒ);
+
+  @SuppressWarnings("strictfp")
+  protected static final synchronized strictfp void ascii$99_()
+  { ascii$98_(); }
+
+  @SuppressWarnings("strictfp")
+  protected static final synchronized strictfp <α, β> Τʬ<α>[] μʭʭ$99_(
+                        java.util.function.Function<β, Τʬ<α>[][]> ƒ)
+  {
+    return
+        IndentMethodsTests.<α, β>μʭʭ$98_(ƒ)[0];
+  }
+
+  @Override @SuppressWarnings("cast")
+  public String toString() { return (String) "IndentMethodsTests"; }
+}
diff --git a/runtime/syntax/testdir/input/java_methods_style.java b/runtime/syntax/testdir/input/java_methods_style.java
new file mode 100644
index 0000000..b3e36fb
--- /dev/null
+++ b/runtime/syntax/testdir/input/java_methods_style.java
@@ -0,0 +1,66 @@
+// VIM_TEST_SETUP let g:java_highlight_functions = 'style'
+
+
+import java.lang.annotation.Target;
+
+abstract class StyleMethodsTests
+{
+	protected StyleMethodsTests() { }
+
+	record Τʬ<α>(α a) { }
+
+	enum 𝓔
+	{
+		A("𝕬"), B("𝕭"), C("𝕮"), D("𝕯"),
+		E("𝕰"), F("𝕱"), G("𝕲"), H("𝕳");
+		final String 𝐬;
+		private 𝓔(String 𝐬) { this.𝐬 = 𝐬; }
+	}
+
+	@Target(java.lang.annotation.ElementType.METHOD)
+	@java.lang.annotation.Repeatable(Tɐggablɘs.class)
+	@interface Tɐggablɘ
+	{
+		String[] value() default "";
+	}
+
+	@Target(java.lang.annotation.ElementType.METHOD)
+	@interface Tɐggablɘs
+	{
+		Tɐggablɘ[] value();
+	}
+
+	interface Stylable<Α>
+	{
+		default void ascii$0_() { }
+		default Α μʭʭ$0_() { return null; }
+	}
+
+	@Tɐggablɘ @Tɐggablɘ abstract void ascii$0_(////////////////
+								);
+	@Tɐggablɘ @Tɐggablɘ abstract <α, β> Τʬ<α> μʭʭ$0_(
+			/* TODO: @SuppressWarnings("bespoke")*/ β 𝛽);
+
+	@Tɐggablɘ private native void ascii$1_(/*////////////*/);
+	@Tɐggablɘ private native <α, β> Τʬ<α>[] μʭʭ$1_(
+			java.util.function.Function<β, Τʬ<α>[]> ƒ);
+
+	static final native synchronized void ascii$98_();
+	static final native synchronized <α, β> Τʬ<α>[][] μʭʭ$98_(
+			java.util.function.Function<β, Τʬ<α>[][]> ƒ);
+
+	@SuppressWarnings("strictfp")
+	protected static final synchronized strictfp void ascii$99_()
+	{ ascii$98_(); }
+
+	@SuppressWarnings("strictfp")
+	protected static final synchronized strictfp <α, β> Τʬ<α>[] μʭʭ$99_(
+			java.util.function.Function<β, Τʬ<α>[][]> ƒ)
+	{
+		return
+	StyleMethodsTests.<α, β>μʭʭ$98_(ƒ)[0];
+	}
+
+	@Override @SuppressWarnings("cast")
+	public String toString() { return (String) "StyleMethodsTests"; }
+}
diff --git a/runtime/syntax/testdir/input/vim9_keymap.vim b/runtime/syntax/testdir/input/vim9_keymap.vim
new file mode 100644
index 0000000..a69b723
--- /dev/null
+++ b/runtime/syntax/testdir/input/vim9_keymap.vim
@@ -0,0 +1,26 @@
+vim9script
+
+# Vim Keymap file for syntax testing
+
+scriptencoding utf-8
+
+let b:keymap_name = "syntax-test"
+
+loadkeymap
+
+# Line comment
+
+  # Another line comment
+
+a A    Basic mapping
+'a á   More than one char in first column
+
+# Special notation
+<char-62>      B               Special notation allowed in LHS - decimal
+c              <char-0103>     Special notation allowed in RHS - octal
+<char-0x0064>  <char-0x0044>   Special notation allowed in LHS and RHS - hexadecimal
+
+# Vim-script comment characters
+\# <char-0x00a3>               Line should not match as a Vim9-script comment
+" “                            Line should not match as a legacy-script comment
+: #                            Line should not match as a Vim9-script comment
diff --git a/runtime/syntax/testdir/input/vim9_legacy_header.vim b/runtime/syntax/testdir/input/vim9_legacy_header.vim
new file mode 100644
index 0000000..66aeb39
--- /dev/null
+++ b/runtime/syntax/testdir/input/vim9_legacy_header.vim
@@ -0,0 +1,16 @@
+" comment
+
+if !has('vim9script')
+  # 42 " comment
+  source foo.vim
+  finish
+endif
+
+" comment
+
+vim9script noclear
+
+# comment
+
+ # string only recognised with leading char
+ "useless string"
diff --git a/runtime/syntax/testdir/input/vim9_legacy_header_fold.vim b/runtime/syntax/testdir/input/vim9_legacy_header_fold.vim
new file mode 100644
index 0000000..6e0e71e
--- /dev/null
+++ b/runtime/syntax/testdir/input/vim9_legacy_header_fold.vim
@@ -0,0 +1,17 @@
+" VIM_TEST_SETUP let g:vimsyn_folding = "H" | set fdm=syntax
+" comment
+
+if !has('vim9script')
+  # 42 " comment
+  source foo.vim
+  finish
+endif
+
+" comment
+
+vim9script noclear
+
+# comment
+
+ # string only recognised with leading char
+ "useless string"
diff --git a/runtime/syntax/testdir/input/vim_ex_commands.vim b/runtime/syntax/testdir/input/vim_ex_commands.vim
index 571fd7b..aaa351b 100644
--- a/runtime/syntax/testdir/input/vim_ex_commands.vim
+++ b/runtime/syntax/testdir/input/vim_ex_commands.vim
@@ -558,7 +558,7 @@
 :verbose
 :vertical
 :vim9cmd
-:vim9script
+" :vim9script
 :vimgrep
 :vimgrepadd
 :visual
@@ -1152,7 +1152,7 @@ call Foo() | version
 call Foo() | verbose
 call Foo() | vertical
 call Foo() | vim9cmd
-call Foo() | vim9script
+" call Foo() | vim9script
 call Foo() | vimgrep
 call Foo() | vimgrepadd
 call Foo() | visual
diff --git a/runtime/syntax/testdir/input/vim_ex_comment-vim9.vim b/runtime/syntax/testdir/input/vim_ex_comment-vim9.vim
new file mode 100644
index 0000000..786d11b
--- /dev/null
+++ b/runtime/syntax/testdir/input/vim_ex_comment-vim9.vim
@@ -0,0 +1,41 @@
+vim9script
+
+# Vim comments
+
+# Vim9-script comment
+
+ # string only recognised with leading char
+ "useless string"
+
+function! Foo()
+  " Legacy-script comment
+  # 42 " comment
+endfunction
+
+def! Bar()
+  # Vim9-script comment
+  "useless string" # comment
+enddef
+
+command -count FooCommand {
+  # Vim9-script comment
+  "useless string" # comment
+}
+
+autocmd BufNewFile * {
+  # Vim9-script comment
+  "useless string" # comment
+}
+
+
+# Issue: #13047
+
+if !exists(":DiffOrig")
+  command DiffOrig vert new | set bt=nofile | r ++edit %% | 0d_ | diffthis
+		  \ | wincmd p | diffthis
+endif
+
+
+# Issue: #11307 and #11560
+
+# This is what we call " blah
diff --git a/runtime/syntax/testdir/input/vim_ex_comment.vim b/runtime/syntax/testdir/input/vim_ex_comment.vim
new file mode 100644
index 0000000..54e514e
--- /dev/null
+++ b/runtime/syntax/testdir/input/vim_ex_comment.vim
@@ -0,0 +1,45 @@
+" Vim comments
+
+" Legacy-script comment
+
+# 42 " comment
+
+function! Foo()
+  " Legacy-script comment
+  # 42 " comment
+endfunction
+
+def! Bar()
+  # Vim9-script comment
+  "useless string" # comment
+enddef
+
+command -nargs=1 FooCommand {
+  # Vim9-script comment
+  "useless string" # comment
+}
+
+autocmd BufNewFile * {
+  # Vim9-script comment
+  "useless string" # comment
+}
+
+
+" Issue: #13047
+
+if !exists(":DiffOrig")
+  command DiffOrig vert new | set bt=nofile | r ++edit # | 0d_ | diffthis
+		  \ | wincmd p | diffthis
+endif
+
+
+" Issue: #11307 and #11560
+
+" This is what we call " blah
+
+
+" Issue # #9587
+
+def CommentTitle()
+  # Title: ...
+enddef
diff --git a/runtime/syntax/testdir/input/vim_ex_def.vim b/runtime/syntax/testdir/input/vim_ex_def.vim
index dd4ecd1..2685ba5 100644
--- a/runtime/syntax/testdir/input/vim_ex_def.vim
+++ b/runtime/syntax/testdir/input/vim_ex_def.vim
@@ -19,27 +19,11 @@ def Foo " comment
 def Foo()
 enddef
 
-# curly-brace names
-def {"F"}oo()
-enddef
-
-def F{"o"}o()
-enddef
-
-def Fo{"o"}()
-enddef
-
-def {"F"}o{"o"}()
-enddef
-
-def {"F"}{"o"}{"o"}()
-enddef
-
 def Foo(): number
   return 42
 enddef
 
-# trailing whitespace
+" trailing whitespace
 def Foo(): number  
   return 42
 enddef
diff --git a/runtime/syntax/testdir/input/vim_ex_def_fold.vim b/runtime/syntax/testdir/input/vim_ex_def_fold.vim
index 7ab3e3f..3326075 100644
--- a/runtime/syntax/testdir/input/vim_ex_def_fold.vim
+++ b/runtime/syntax/testdir/input/vim_ex_def_fold.vim
@@ -20,27 +20,11 @@ def Foo " comment
 def Foo()
 enddef
 
-# curly-brace names
-def {"F"}oo()
-enddef
-
-def F{"o"}o()
-enddef
-
-def Fo{"o"}()
-enddef
-
-def {"F"}o{"o"}()
-enddef
-
-def {"F"}{"o"}{"o"}()
-enddef
-
 def Foo(): number
   return 42
 enddef
 
-# trailing whitespace
+" trailing whitespace
 def Foo(): number  
   return 42
 enddef
@@ -124,3 +108,23 @@ def Foo()
   "useless string"
 enddef
 
+
+" fold-region ending
+
+def Foo()
+  # enddef
+enddef
+
+def Foo()
+  echo "enddef"
+enddef
+
+def Foo()
+  let x =<< END
+    endfunction
+  END
+enddef
+
+:def Foo()
+:enddef
+
diff --git a/runtime/syntax/testdir/input/vim_ex_def_nested.vim b/runtime/syntax/testdir/input/vim_ex_def_nested.vim
new file mode 100644
index 0000000..008c415
--- /dev/null
+++ b/runtime/syntax/testdir/input/vim_ex_def_nested.vim
@@ -0,0 +1,20 @@
+vim9script
+# Vim9 :def command (nested)
+
+class Test
+    const name: string
+
+    def new()
+	def Name(): string
+	    function GiveName()
+		return "any"
+	    endfunction
+
+	    return GiveName()
+	enddef
+
+	this.name = Name()
+    enddef
+endclass
+
+echo Test.new()
diff --git a/runtime/syntax/testdir/input/vim_ex_def_nested_fold.vim b/runtime/syntax/testdir/input/vim_ex_def_nested_fold.vim
new file mode 100644
index 0000000..601f553
--- /dev/null
+++ b/runtime/syntax/testdir/input/vim_ex_def_nested_fold.vim
@@ -0,0 +1,22 @@
+vim9script
+# Vim9 :def command (nested)
+# VIM_TEST_SETUP let g:vimsyn_folding = 'f'
+# VIM_TEST_SETUP setl fdc=2 fdm=syntax
+
+class Test
+    const name: string
+
+    def new()
+	def Name(): string
+	    function GiveName()
+		return "any"
+	    endfunction
+
+	    return GiveName()
+	enddef
+
+	this.name = Name()
+    enddef
+endclass
+
+echo Test.new()
diff --git a/runtime/syntax/testdir/input/vim_ex_function_fold.vim b/runtime/syntax/testdir/input/vim_ex_function_fold.vim
index f9d9bee..dd260ca 100644
--- a/runtime/syntax/testdir/input/vim_ex_function_fold.vim
+++ b/runtime/syntax/testdir/input/vim_ex_function_fold.vim
@@ -181,3 +181,43 @@ delfunction foo.bar
 delfunction! Foo
 delfunction foo.bar
 
+
+" fold-region ending
+
+function Foo()
+  " endfunction
+endfunction
+
+function Foo()
+  echo "endfunction"
+endfunction
+
+function Foo()
+  let x =<< END
+    endfunction
+  END
+
+endfunction
+
+function Foo()
+  append
+    endfunction
+.
+endfunction
+
+function Foo()
+  change
+    endfunction
+.
+
+endfunction
+
+function Foo()
+  insert
+    endfunction
+.
+endfunction
+
+:function Foo()
+:endfunction
+
diff --git a/runtime/syntax/testdir/input/vim_ex_function_nested.vim b/runtime/syntax/testdir/input/vim_ex_function_nested.vim
new file mode 100644
index 0000000..749b572
--- /dev/null
+++ b/runtime/syntax/testdir/input/vim_ex_function_nested.vim
@@ -0,0 +1,38 @@
+" Vim :def and :function commands (nested)
+
+def FunA(): string
+    def DoFunA(): string
+	return "."
+    enddef
+
+    return DoFunA()
+enddef
+
+def FunB(): string
+    function DoFunB()
+	return ".."
+    endfunction
+
+    return DoFunB()
+enddef
+
+function FunC()
+    def DoFunC(): string
+	return "..."
+    enddef
+
+    return DoFunC()
+endfunction
+
+function FunD()
+    function DoFunD()
+	return "...."
+    endfunction
+
+    return DoFunD()
+endfunction
+
+echo FunA()
+echo FunB()
+echo FunC()
+echo FunD()
diff --git a/runtime/syntax/testdir/input/vim_ex_function_nested_fold.vim b/runtime/syntax/testdir/input/vim_ex_function_nested_fold.vim
new file mode 100644
index 0000000..d966ef3
--- /dev/null
+++ b/runtime/syntax/testdir/input/vim_ex_function_nested_fold.vim
@@ -0,0 +1,40 @@
+" Vim :def and :function commands (nested)
+" VIM_TEST_SETUP let g:vimsyn_folding = 'f'
+" VIM_TEST_SETUP setl fdc=2 fdm=syntax
+
+def FunA(): string
+    def DoFunA(): string
+	return "."
+    enddef
+
+    return DoFunA()
+enddef
+
+def FunB(): string
+    function DoFunB()
+	return ".."
+    endfunction
+
+    return DoFunB()
+enddef
+
+function FunC()
+    def DoFunC(): string
+	return "..."
+    enddef
+
+    return DoFunC()
+endfunction
+
+function FunD()
+    function DoFunD()
+	return "...."
+    endfunction
+
+    return DoFunD()
+endfunction
+
+echo FunA()
+echo FunB()
+echo FunC()
+echo FunD()
diff --git a/runtime/syntax/testdir/input/vim_expr.vim b/runtime/syntax/testdir/input/vim_expr.vim
index cf5838c..610c2be 100644
--- a/runtime/syntax/testdir/input/vim_expr.vim
+++ b/runtime/syntax/testdir/input/vim_expr.vim
@@ -57,15 +57,16 @@ echo -0b11111111
 echo -0B11111111
 
 " Float
-123.456
-+0.0001
-55.0
--0.123
-1.234e03
-1.0E-6
--3.1416e+88
+echo 123.456
+echo +0.0001
+echo 55.0
+echo -0.123
+echo 1.234e03
+echo 1.0E-6
+echo -3.1416e+88
 
 " Blob
+echo 0z
 echo 0zFF00ED015DAF
 echo 0zFF00.ED01.5DAF
 echo 0zFF.00.ED.01.5D.AF
diff --git a/runtime/syntax/testdir/input/vim_keymap.vim b/runtime/syntax/testdir/input/vim_keymap.vim
index 983c822..424d437 100644
--- a/runtime/syntax/testdir/input/vim_keymap.vim
+++ b/runtime/syntax/testdir/input/vim_keymap.vim
@@ -23,4 +23,5 @@ c              <char-0103>     Special notation allowed in RHS - octal
                                          
 " Vim-script comment characters                               
 # <char-0x00a3>                Line should not match as a Vim9-script comment
-\" “                   Line should not match as a legacy-script comment 
+\" “                           Line should not match as a legacy-script comment 
+: "                            Line should not match as a legacy-script comment
diff --git a/runtime/syntax/testdir/input/vim_object_methods.vim b/runtime/syntax/testdir/input/vim_object_methods.vim
new file mode 100644
index 0000000..d22c7f2
--- /dev/null
+++ b/runtime/syntax/testdir/input/vim_object_methods.vim
@@ -0,0 +1,56 @@
+vim9script
+# VIM_TEST_SETUP hi link vimMethodName Todo
+
+
+# Vim |builtin-object-methods| and namesake builtin functions.
+class PairClassTest
+	public const a: any
+	public const b: any
+
+	def new(a: any, b: any)
+		this.a = a
+		this.b = b
+	enddef
+
+	def empty(): bool
+		return false
+	enddef
+	def len(): number
+		return 2
+	enddef
+	def string(): string
+		return printf('(%s, %s)', this.a, this.b)
+	enddef
+endclass
+
+enum MarkerEnumTest
+	INSTANCE
+
+	def NoOp()
+	enddef
+
+	def empty(): bool
+		return true
+	enddef
+	def len(): number
+		return 0
+	enddef
+	def string(): string
+		return this.name
+	enddef
+endenum
+
+const b1: bool = empty(MarkerEnumTest.INSTANCE)
+const n1: number = len(MarkerEnumTest.INSTANCE)
+const s1: string = string(MarkerEnumTest.INSTANCE)
+echo b1 && MarkerEnumTest.INSTANCE.empty()
+echo n1 == 0 && MarkerEnumTest.INSTANCE.len() == 0
+echo s1 == 'INSTANCE' && MarkerEnumTest.INSTANCE.string() == 'INSTANCE'
+
+const pair: PairClassTest = PairClassTest.new(0, 1)
+const b2: bool = !pair.empty()
+const n2: number = pair.len()
+const s2: string = pair.string()
+echo b2 && !empty(pair)
+echo n2 == 2 && len(pair) == 2
+echo s2 == '(0, 1)' && string(pair) == '(0, 1)'
diff --git a/runtime/syntax/testdir/input/yaml.yaml b/runtime/syntax/testdir/input/yaml.yaml
new file mode 100644
index 0000000..d87aca2
--- /dev/null
+++ b/runtime/syntax/testdir/input/yaml.yaml
@@ -0,0 +1,127 @@
+%YAML 1.2
+%TAG !      tag:yaml.org,2002: # primary tag handle
+%TAG !!     tag:yaml.org,2002: # secondary tag handle
+%TAG !yaml! tag:yaml.org,2002: # named tag handle
+---
+- !str 0      # primary tag handle
+- !!str 0     # secondary tag handle
+- !yaml!str 0 # named tag handle
+---
+
+boolean: [false, true, FALSE, TRUE, False, True]
+null: [null, ~,]
+integer: [12345, -12_345, +12_345]
+float: [
+  12345.15, -12_345.15, +12_345.15, 1.23015e+3,
+  -12_345.15e+10, +12_345.15e-10, 1.234_515e-10
+]
+binary: [0b101010, -0b1010_1010, +0b1010_1010]
+octal: [0777, 0o777, +0777, -0o777]
+hexadecimal: [0xFEFF_0000, -0xabcd_ef00, +0x1234_5678]
+sexagesimal: [10:20:30, -19:29:39, +19:29:39]
+infinity: [.inf, -.Inf, +.INF]
+not a number: [.nan, .NaN, .NAN]
+
+plain strings:
+  - a b c
+  - a * b & c @ d# e : f # comment
+  - {{ f(' ') }} #8234
+double quoted strings:
+  - ""
+  - "a b c": "d e f" # comment
+  - "\\\"\a\b\f\n\r\t\v\0\_\ \N\L\P\x41\u0041\U00000041"
+single quoted strings:
+  - ''
+  - 'a b c': 'd e f' # comment
+  - 'a''b''c'
+
+block folded string: >
+  foo
+  bar: 1
+
+    baz: null
+
+  "qux"
+block literal string: |
+  foo
+  bar: 1
+
+    baz: null
+
+  'qux'
+
+chomping strings:
+  - block folded string: >- # comment
+      foo
+      bar: 1
+  - block literal string: |+ # comment
+      foo
+      bar: 1
+  - |- #11517
+      foo "\"
+      bar: 1
+block indentation indicator:
+  - block folded string: >1 # comment
+     foo
+     bar: 1
+  - block literal string: |1- # comment
+     foo
+     bar: 1
+  - |-1 # comment
+     foo
+     bar: 1
+
+flow collection:
+  empty sequence: []
+  empty mapping: {}
+  flow sequence: [foo, bar, baz]
+  flow mapping: {foo: bar, baz: qux}
+  flow string:
+    foo
+    bar
+    baz
+  "double quoted \" string": "
+    foo
+    bar
+    baz"
+  'single quoted '' string': '
+    foo
+    bar
+    baz'
+  inside block mapping:
+    foo: {bar: baz}
+    bar: ["foo": {baz: qux}]
+  flow collection: [foo # comment
+    , {bar: [{ # comment
+      baz: '
+        qux # not comment
+      ' # comment
+    }]}]
+
+explicit mapping:
+  ? foo # comment
+  : bar # comment
+  ? - foo
+    - bar
+  : - baz
+    - qux
+  ? [1, 2, 3]
+  : ? 1
+    : one
+    ? 2
+    : - ? 3
+        : three
+      - {?4: four, ? 5: five, ? # comment
+        6: # comment
+        {7:seven}}
+
+mapping merge:
+  foo: &foo
+    bar: baz
+  bar:
+    <<: *foo
+    baz: &bar
+      foo: [*foo]
+    qux:
+      <<: [*foo, *bar]
+  baz: {<<: *foo, qux: [{<< : *foo}]}
diff --git a/runtime/syntax/uci.vim b/runtime/syntax/uci.vim
new file mode 100644
index 0000000..fdf5bfd
--- /dev/null
+++ b/runtime/syntax/uci.vim
@@ -0,0 +1,33 @@
+" Vim syntax file
+" Language:	OpenWrt Unified Configuration Interface
+" Maintainer:	Colin Caine <complaints@cmcaine.co.uk>
+" Upstream:	https://github.com/cmcaine/vim-uci
+" Last Change:	2021 Sep 19
+"
+" For more information on uci, see https://openwrt.org/docs/guide-user/base-system/uci
+
+if exists("b:current_syntax")
+    finish
+endif
+
+" Fancy zero-width non-capturing look-behind to see what the last word was.
+" Would be really nice if there was some less obscure or more efficient way to
+" do this.
+syntax match uciOptionName '\%(\%(option\|list\)\s\+\)\@<=\S*'
+syntax match uciConfigName '\%(\%(package\|config\)\s\+\)\@<=\S*'
+syntax keyword uciConfigDec package config nextgroup=uciConfigName skipwhite
+syntax keyword uciOptionType option list nextgroup=uciOptionName skipwhite
+
+" Standard matches.
+syntax match uciComment "#.*$"
+syntax region uciString start=+"+ end=+"+ skip=+\\"+
+syntax region uciString start=+'+ end=+'+ skip=+\\'+
+
+highlight default link uciConfigName Identifier
+highlight default link uciOptionName Constant
+highlight default link uciConfigDec Statement
+highlight default link uciOptionType Type
+highlight default link uciComment Comment
+highlight default link uciString Normal
+
+let b:current_syntax = "uci"
diff --git a/runtime/syntax/vim.vim b/runtime/syntax/vim.vim
index b12b5c6..02d6dde 100644
--- a/runtime/syntax/vim.vim
+++ b/runtime/syntax/vim.vim
@@ -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
@@ -28,12 +28,12 @@ syn cluster vimCommentGroup	contains=vimTodo,@Spell
 
 " regular vim commands {{{2
 " GEN_SYN_VIM: vimCommand normal, START_STR='syn keyword vimCommand contained', END_STR=''
-syn keyword vimCommand contained abc[lear] abo[veleft] abs[tract] al[l] ar[gs] arga[dd] argd[elete] argdo argded[upe] arge[dit] argg[lobal] argl[ocal] argu[ment] as[cii] b[uffer] bN[ext] ba[ll] bad[d] balt bd[elete] bel[owright] bf[irst] bl[ast] bm[odified] bn[ext] bo[tright] bp[revious] br[ewind] brea[k] breaka[dd] breakd[el] breakl[ist] bro[wse] buffers bufd[o] bun[load] bw[ipeout] c[hange] cN[ext] cNf[ile] cabc[lear] cabo[ve] cad[dbuffer] cadde[xpr] caddf[ile] caf[ter] cal[l] cat[ch] cb[uffer] cbe[fore] cbel[ow] cbo[ttom] cc ccl[ose] cd cdo ce[nter] cex[pr] cf[ile] cfd[o] cfir[st] cg[etfile] cgetb[uffer] cgete[xpr] chd[ir] changes che[ckpath] checkt[ime] chi[story] cl[ist] cla[st] class clo[se] cle[arjumps] cn[ext] cnew[er] cnf[ile] co[py] col[der] colo[rscheme]
-syn keyword vimCommand contained com[mand] comc[lear] comp[iler] con[tinue] conf[irm] cons[t] cope[n] cp[revious] cpf[ile] cq[uit] cr[ewind] cs[cope] cst[ag] cw[indow] d[elete] delm[arks] deb[ug] debugg[reedy] defc[ompile] defe[r] delc[ommand] delf[unction] di[splay] dif[fupdate] diffg[et] diffo[ff] diffp[atch] diffpu[t] diffs[plit] difft[his] dig[raphs] disa[ssemble] dj[ump] dli[st] dr[op] ds[earch] dsp[lit] e[dit] ea[rlier] el[se] elsei[f] em[enu] en[dif] endin[terface] endc[lass] ende[num] endfo[r] endt[ry] endw[hile] ene[w] enu[m] ev[al] ex exi[t] exp[ort] exu[sage] f[ile] files filet[ype] filt[er] fin[d] fina[l] finall[y] fini[sh] fir[st] fix[del] fo[ld] foldc[lose] foldd[oopen] folddoc[losed] foldo[pen] for g[lobal] go[to] gr[ep] grepa[dd] gu[i] gv[im] h[elp]
-syn keyword vimCommand contained helpc[lose] helpf[ind] helpg[rep] helpt[ags] ha[rdcopy] hi[ghlight] hid[e] his[tory] ho[rizontal] iabc[lear] if ij[ump] il[ist] imp[ort] int[ro] inte[rface] is[earch] isp[lit] j[oin] ju[mps] k kee[pmarks] keepj[umps] keepp[atterns] keepa[lt] l[ist] lN[ext] lNf[ile] la[st] lab[ove] lan[guage] lad[dexpr] laddb[uffer] laddf[ile] laf[ter] lat[er] lb[uffer] lbe[fore] lbel[ow] lbo[ttom] lc[d] lch[dir] lcl[ose] lcs[cope] ld[o] le[ft] lefta[bove] let lex[pr] leg[acy] lf[ile] lfd[o] lfir[st] lg[etfile] lgetb[uffer] lgete[xpr] lgr[ep] lgrepa[dd] lh[elpgrep] lhi[story] ll lla[st] lli[st] lmak[e] lne[xt] lnew[er] lnf[ile] lo[adview] loadk[eymap] loc[kmarks] lockv[ar] lol[der] lop[en] lp[revious] lpf[ile] lr[ewind] lt[ag] lua luad[o] luaf[ile]
-syn keyword vimCommand contained lv[imgrep] lvimgrepa[dd] lw[indow] ls m[ove] ma[rk] mak[e] marks mat[ch] menut[ranslate] mes[sages] mk[exrc] mks[ession] mksp[ell] mkv[imrc] mkvie[w] mod[e] mz[scheme] mzf[ile] n[ext] nb[key] nbc[lose] nbs[tart] noa[utocmd] noh[lsearch] nos[wapfile] nu[mber] o[pen] ol[dfiles] on[ly] opt[ions] ow[nsyntax] p[rint] pa[ckadd] packl[oadall] pc[lose] pe[rl] perld[o] ped[it] po[p] pp[op] pre[serve] prev[ious] pro[mptfind] promptr[epl] prof[ile] profd[el] ps[earch] pt[ag] ptN[ext] ptf[irst] ptj[ump] ptl[ast] ptn[ext] ptp[revious] ptr[ewind] pts[elect] pu[t] pub[lic] pw[d] py[thon] pyd[o] pyf[ile] py3 py3d[o] python3 py3f[ile] pyx pyxd[o] pythonx pyxf[ile] q[uit] quita[ll] qa[ll] r[ead] rec[over] red[o] redi[r] redr[aw] redraws[tatus] redrawt[abline]
-syn keyword vimCommand contained reg[isters] res[ize] ret[ab] retu[rn] rew[ind] ri[ght] rightb[elow] ru[ntime] rub[y] rubyd[o] rubyf[ile] rund[o] rv[iminfo] sN[ext] sa[rgument] sal[l] san[dbox] sav[eas] sb[uffer] sbN[ext] sba[ll] sbf[irst] sbl[ast] sbm[odified] sbn[ext] sbp[revious] sbr[ewind] sc[riptnames] scripte[ncoding] scriptv[ersion] scs[cope] setf[iletype] sf[ind] sfir[st] sh[ell] si[malt] sig[n] sil[ent] sl[eep] sla[st] sn[ext] so[urce] sor[t] sp[lit] spe[llgood] spelld[ump] spelli[nfo] spellr[epall] spellra[re] spellu[ndo] spellw[rong] spr[evious] sr[ewind] st[op] sta[g] star[tinsert] startg[replace] startr[eplace] stat[ic] stopi[nsert] stj[ump] sts[elect] sun[hide] sus[pend] sv[iew] sw[apname] synti[me] sync[bind] smi[le] t tN[ext] ta[g] tags tab tabc[lose]
-syn keyword vimCommand contained tabd[o] tabe[dit] tabf[ind] tabfir[st] tabm[ove] tabl[ast] tabn[ext] tabnew tabo[nly] tabp[revious] tabN[ext] tabr[ewind] tabs tc[d] tch[dir] tcl tcld[o] tclf[ile] te[aroff] ter[minal] tf[irst] th[row] thi[s] tj[ump] tl[ast] tn[ext] to[pleft] tp[revious] tr[ewind] try ts[elect] ty[pe] u[ndo] undoj[oin] undol[ist] unh[ide] unl[et] unlo[ckvar] uns[ilent] up[date] v[global] ve[rsion] verb[ose] vert[ical] vi[sual] vie[w] vim[grep] vimgrepa[dd] vim9[cmd] vim9s[cript] viu[sage] vne[w] vs[plit] w[rite] wN[ext] wa[ll] wh[ile] wi[nsize] winc[md] wind[o] winp[os] wn[ext] wp[revious] wq wqa[ll] wu[ndo] wv[iminfo] x[it] xa[ll] xr[estore] y[ank] z dl dell delel deletl deletel dp dep delp delep deletp deletep a i
+syn keyword vimCommand contained abo[veleft] abs[tract] al[l] ar[gs] arga[dd] argd[elete] argdo argded[upe] arge[dit] argg[lobal] argl[ocal] argu[ment] as[cii] b[uffer] bN[ext] ba[ll] bad[d] balt bd[elete] bel[owright] bf[irst] bl[ast] bm[odified] bn[ext] bo[tright] bp[revious] br[ewind] brea[k] breaka[dd] breakd[el] breakl[ist] bro[wse] buffers bufd[o] bun[load] bw[ipeout] c[hange] cN[ext] cNf[ile] cabo[ve] cad[dbuffer] cadde[xpr] caddf[ile] caf[ter] cal[l] cat[ch] cb[uffer] cbe[fore] cbel[ow] cbo[ttom] cc ccl[ose] cd cdo ce[nter] cex[pr] cf[ile] cfd[o] cfir[st] cg[etfile] cgetb[uffer] cgete[xpr] chd[ir] changes che[ckpath] checkt[ime] chi[story] cl[ist] cla[st] class clo[se] cle[arjumps] cn[ext] cnew[er] cnf[ile] co[py] col[der] colo[rscheme] com[mand] comc[lear]
+syn keyword vimCommand contained comp[iler] con[tinue] conf[irm] cons[t] cope[n] cp[revious] cpf[ile] cq[uit] cr[ewind] cs[cope] cst[ag] cw[indow] d[elete] delm[arks] deb[ug] debugg[reedy] defc[ompile] defe[r] delc[ommand] delf[unction] di[splay] dif[fupdate] diffg[et] diffo[ff] diffp[atch] diffpu[t] diffs[plit] difft[his] dig[raphs] disa[ssemble] dj[ump] dli[st] dr[op] ds[earch] dsp[lit] e[dit] ea[rlier] el[se] elsei[f] em[enu] en[dif] endin[terface] endc[lass] ende[num] endfo[r] endt[ry] endw[hile] ene[w] enu[m] ev[al] ex exi[t] exp[ort] exu[sage] f[ile] files filet[ype] filt[er] fin[d] fina[l] finall[y] fini[sh] fir[st] fix[del] fo[ld] foldc[lose] foldd[oopen] folddoc[losed] foldo[pen] for g[lobal] go[to] gr[ep] grepa[dd] gu[i] gv[im] h[elp] helpc[lose] helpf[ind]
+syn keyword vimCommand contained helpg[rep] helpt[ags] ha[rdcopy] hi[ghlight] hid[e] his[tory] ho[rizontal] if ij[ump] il[ist] imp[ort] int[ro] inte[rface] is[earch] isp[lit] j[oin] ju[mps] k kee[pmarks] keepj[umps] keepp[atterns] keepa[lt] l[ist] lN[ext] lNf[ile] la[st] lab[ove] lan[guage] lad[dexpr] laddb[uffer] laddf[ile] laf[ter] lat[er] lb[uffer] lbe[fore] lbel[ow] lbo[ttom] lc[d] lch[dir] lcl[ose] lcs[cope] ld[o] le[ft] lefta[bove] let lex[pr] leg[acy] lf[ile] lfd[o] lfir[st] lg[etfile] lgetb[uffer] lgete[xpr] lgr[ep] lgrepa[dd] lh[elpgrep] lhi[story] ll lla[st] lli[st] lmak[e] lne[xt] lnew[er] lnf[ile] lo[adview] loadk[eymap] loc[kmarks] lockv[ar] lol[der] lop[en] lp[revious] lpf[ile] lr[ewind] lt[ag] lua luad[o] luaf[ile] lv[imgrep] lvimgrepa[dd] lw[indow]
+syn keyword vimCommand contained ls m[ove] ma[rk] mak[e] marks mat[ch] menut[ranslate] mes[sages] mk[exrc] mks[ession] mksp[ell] mkv[imrc] mkvie[w] mod[e] mz[scheme] mzf[ile] n[ext] nb[key] nbc[lose] nbs[tart] noa[utocmd] noh[lsearch] nos[wapfile] nu[mber] o[pen] ol[dfiles] on[ly] opt[ions] ow[nsyntax] p[rint] pa[ckadd] packl[oadall] pc[lose] pe[rl] perld[o] ped[it] po[p] pp[op] pre[serve] prev[ious] pro[mptfind] promptr[epl] prof[ile] profd[el] ps[earch] pt[ag] ptN[ext] ptf[irst] ptj[ump] ptl[ast] ptn[ext] ptp[revious] ptr[ewind] pts[elect] pu[t] pub[lic] pw[d] py[thon] pyd[o] pyf[ile] py3 py3d[o] python3 py3f[ile] pyx pyxd[o] pythonx pyxf[ile] q[uit] quita[ll] qa[ll] r[ead] rec[over] red[o] redi[r] redr[aw] redraws[tatus] redrawt[abline] reg[isters] res[ize]
+syn keyword vimCommand contained ret[ab] retu[rn] rew[ind] ri[ght] rightb[elow] ru[ntime] rub[y] rubyd[o] rubyf[ile] rund[o] rv[iminfo] sN[ext] sa[rgument] sal[l] san[dbox] sav[eas] sb[uffer] sbN[ext] sba[ll] sbf[irst] sbl[ast] sbm[odified] sbn[ext] sbp[revious] sbr[ewind] sc[riptnames] scripte[ncoding] scriptv[ersion] scs[cope] setf[iletype] sf[ind] sfir[st] sh[ell] si[malt] sig[n] sil[ent] sl[eep] sla[st] sn[ext] so[urce] sor[t] sp[lit] spe[llgood] spelld[ump] spelli[nfo] spellr[epall] spellra[re] spellu[ndo] spellw[rong] spr[evious] sr[ewind] st[op] sta[g] star[tinsert] startg[replace] startr[eplace] stat[ic] stopi[nsert] stj[ump] sts[elect] sun[hide] sus[pend] sv[iew] sw[apname] synti[me] sync[bind] smi[le] t tN[ext] ta[g] tags tab tabc[lose] tabd[o] tabe[dit]
+syn keyword vimCommand contained tabf[ind] tabfir[st] tabm[ove] tabl[ast] tabn[ext] tabnew tabo[nly] tabp[revious] tabN[ext] tabr[ewind] tabs tc[d] tch[dir] tcl tcld[o] tclf[ile] te[aroff] ter[minal] tf[irst] th[row] thi[s] tj[ump] tl[ast] tn[ext] to[pleft] tp[revious] tr[ewind] try ts[elect] ty[pe] u[ndo] undoj[oin] undol[ist] unh[ide] unl[et] unlo[ckvar] uns[ilent] up[date] v[global] ve[rsion] verb[ose] vert[ical] vi[sual] vie[w] vim[grep] vimgrepa[dd] vim9[cmd] viu[sage] vne[w] vs[plit] w[rite] wN[ext] wa[ll] wh[ile] wi[nsize] winc[md] wind[o] winp[os] wn[ext] wp[revious] wq wqa[ll] wu[ndo] wv[iminfo] x[it] xa[ll] xr[estore] y[ank] z dl dell delel deletl deletel dp dep delp delep deletp deletep a i
 
 syn keyword vimCommand contained	2mat[ch] 3mat[ch]
 
@@ -90,8 +90,8 @@ syn keyword vimErrSetting contained invakm invaltkeymap invanti invantialias inv
 " AutoCmd Events {{{2
 syn case ignore
 " GEN_SYN_VIM: vimAutoEvent, START_STR='syn keyword vimAutoEvent contained', END_STR=''
-syn keyword vimAutoEvent contained BufAdd BufCreate BufDelete BufEnter BufFilePost BufFilePre BufHidden BufLeave BufNew BufNewFile BufRead BufReadCmd BufReadPost BufReadPre BufUnload BufWinEnter BufWinLeave BufWipeout BufWrite BufWritePost BufWritePre BufWriteCmd CmdlineChanged CmdlineEnter CmdlineLeave CmdwinEnter CmdwinLeave CmdUndefined ColorScheme ColorSchemePre CompleteChanged CompleteDone CompleteDonePre CursorHold CursorHoldI CursorMoved CursorMovedI DiffUpdated DirChanged DirChangedPre EncodingChanged ExitPre FileEncoding FileAppendPost FileAppendPre FileAppendCmd FileChangedShell FileChangedShellPost FileChangedRO FileReadPost FileReadPre FileReadCmd FileType FileWritePost FileWritePre FileWriteCmd FilterReadPost FilterReadPre FilterWritePost FilterWritePre
-syn keyword vimAutoEvent contained FocusGained FocusLost FuncUndefined GUIEnter GUIFailed InsertChange InsertEnter InsertLeave InsertLeavePre InsertCharPre MenuPopup ModeChanged OptionSet QuickFixCmdPost QuickFixCmdPre QuitPre RemoteReply SafeState SafeStateAgain SessionLoadPost ShellCmdPost ShellFilterPost SigUSR1 SourceCmd SourcePre SourcePost SpellFileMissing StdinReadPost StdinReadPre SwapExists Syntax TabNew TabClosed TabEnter TabLeave TermChanged TerminalOpen TerminalWinOpen TermResponse TermResponseAll TextChanged TextChangedI TextChangedP TextChangedT User VimEnter VimLeave VimLeavePre WinNewPre WinNew WinClosed WinEnter WinLeave WinResized WinScrolled VimResized TextYankPost VimSuspend VimResume
+syn keyword vimAutoEvent contained BufAdd BufCreate BufDelete BufEnter BufFilePost BufFilePre BufHidden BufLeave BufNew BufNewFile BufRead BufReadCmd BufReadPost BufReadPre BufUnload BufWinEnter BufWinLeave BufWipeout BufWrite BufWriteCmd BufWritePost BufWritePre CmdlineChanged CmdlineEnter CmdlineLeave CmdUndefined CmdwinEnter CmdwinLeave ColorScheme ColorSchemePre CompleteChanged CompleteDone CompleteDonePre CursorHold CursorHoldI CursorMoved CursorMovedI DiffUpdated DirChanged DirChangedPre EncodingChanged ExitPre FileAppendCmd FileAppendPost FileAppendPre FileChangedRO FileChangedShell FileChangedShellPost FileEncoding FileReadCmd FileReadPost FileReadPre FileType FileWriteCmd FileWritePost FileWritePre FilterReadPost FilterReadPre FilterWritePost FilterWritePre
+syn keyword vimAutoEvent contained FocusGained FocusLost FuncUndefined GUIEnter GUIFailed InsertChange InsertCharPre InsertEnter InsertLeave InsertLeavePre MenuPopup ModeChanged OptionSet QuickFixCmdPost QuickFixCmdPre QuitPre RemoteReply SafeState SafeStateAgain SessionLoadPost SessionWritePost ShellCmdPost ShellFilterPost SigUSR1 SourceCmd SourcePost SourcePre SpellFileMissing StdinReadPost StdinReadPre SwapExists Syntax TabClosed TabEnter TabLeave TabNew TermChanged TerminalOpen TerminalWinOpen TermResponse TermResponseAll TextChanged TextChangedI TextChangedP TextChangedT TextYankPost User VimEnter VimLeave VimLeavePre VimResized VimResume VimSuspend WinClosed WinEnter WinLeave WinNew WinNewPre WinResized WinScrolled
 
 " 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
@@ -116,7 +116,7 @@ syn keyword vimFuncName contained test_mswin_event test_null_blob test_null_chan
 " 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
@@ -132,6 +132,11 @@ 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
@@ -166,6 +171,7 @@ 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>
@@ -195,12 +201,13 @@ 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
@@ -221,9 +228,9 @@ 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
@@ -246,7 +253,7 @@ 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
@@ -274,12 +281,14 @@ 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
@@ -287,7 +296,7 @@ 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
@@ -297,6 +306,7 @@ 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
@@ -313,9 +323,9 @@ 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\+\)\>"
@@ -336,15 +346,21 @@ 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
 
@@ -360,9 +376,10 @@ 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
@@ -385,20 +402,41 @@ 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
 " =====================
@@ -488,7 +526,7 @@ 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	"[,:]"
@@ -504,7 +542,7 @@ 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
@@ -515,14 +553,17 @@ syn keyword	vimFor	for	skipwhite nextgroup=vimVar,vimVarList
 " =============
 " 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 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
 " ================
@@ -622,7 +663,7 @@ 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
@@ -632,7 +673,9 @@ 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*)/
@@ -664,7 +707,7 @@ 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
@@ -753,7 +796,7 @@ 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
@@ -809,16 +852,21 @@ 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
 " ====================
@@ -827,6 +875,17 @@ 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
@@ -1034,6 +1093,7 @@ 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
@@ -1053,6 +1113,7 @@ 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
@@ -1110,6 +1171,7 @@ 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
@@ -1134,6 +1196,7 @@ 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
@@ -1160,6 +1223,7 @@ 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
@@ -1224,6 +1288,8 @@ let b:current_syntax = "vim"
 " Cleanup: {{{1
 delc VimFolda
 delc VimFoldf
+delc VimFoldh
+delc VimFoldH
 delc VimFoldl
 delc VimFoldm
 delc VimFoldp
@@ -1231,5 +1297,5 @@ 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
diff --git a/runtime/syntax/yaml.vim b/runtime/syntax/yaml.vim
index 49f7d04..6ec806a 100644
--- a/runtime/syntax/yaml.vim
+++ b/runtime/syntax/yaml.vim
@@ -2,8 +2,7 @@
 " Language:         YAML (YAML Ain't Markup Language) 1.2
 " Maintainer:       Nikolai Pavlov <zyx.vim@gmail.com>
 " First author:     Nikolai Weibull <now@bitwi.se>
-" Latest Revision:  2015-03-28
-" 		    removed duplicate yamlKeyValueDelimiter (pull #4799)
+" Latest Revision:  2024-04-01
 
 if exists('b:current_syntax')
     finish
@@ -15,21 +14,21 @@ set cpo&vim
 " Choose the schema to use
 " TODO: Validate schema
 if !exists('b:yaml_schema')
-  if exists('g:yaml_schema')
-    let b:yaml_schema = g:yaml_schema
-  else
-    let b:yaml_schema = 'core'
-  endif
+    if exists('g:yaml_schema')
+        let b:yaml_schema = g:yaml_schema
+    else
+        let b:yaml_schema = 'core'
+    endif
 endif
 
 let s:ns_char = '\%([\n\r\uFEFF \t]\@!\p\)'
 let s:ns_word_char = '[[:alnum:]_\-]'
 let s:ns_uri_char  = '\%(%\x\x\|'.s:ns_word_char.'\|[#/;?:@&=+$,.!~*''()[\]]\)'
 let s:ns_tag_char  = '\%(%\x\x\|'.s:ns_word_char.'\|[#/;?:@&=+$.~*''()]\)'
-let s:c_ns_anchor_char = '\%([\n\r\uFEFF \t,[\]{}]\@!\p\)'
 let s:c_indicator      = '[\-?:,[\]{}#&*!|>''"%@`]'
 let s:c_flow_indicator = '[,[\]{}]'
 
+let s:ns_anchor_char = substitute(s:ns_char, '\v\C[\zs', '\=s:c_flow_indicator[1:-2]', '')
 let s:ns_char_without_c_indicator = substitute(s:ns_char, '\v\C[\zs', '\=s:c_indicator[1:-2]', '')
 
 let s:_collection = '[^\@!\(\%(\\\.\|\[^\\\]]\)\+\)]'
@@ -38,8 +37,8 @@ function s:SimplifyToAssumeAllPrintable(p)
     return substitute(a:p, '\V\C\\%('.s:_collection.'\\@!\\p\\)', '[^\1]', '')
 endfunction
 let s:ns_char = s:SimplifyToAssumeAllPrintable(s:ns_char)
+let s:ns_anchor_char = s:SimplifyToAssumeAllPrintable(s:ns_anchor_char)
 let s:ns_char_without_c_indicator = s:SimplifyToAssumeAllPrintable(s:ns_char_without_c_indicator)
-let s:c_ns_anchor_char = s:SimplifyToAssumeAllPrintable(s:c_ns_anchor_char)
 
 function s:SimplifyAdjacentCollections(p)
     return substitute(a:p, '\V\C'.s:_collection.'\\|'.s:_collection, '[\1\2]', 'g')
@@ -60,9 +59,10 @@ let s:c_ns_tag_property = s:c_verbatim_tag.
             \        '\|'.s:c_ns_shorthand_tag.
             \        '\|'.s:c_non_specific_tag
 
-let s:c_ns_anchor_name = s:c_ns_anchor_char.'\+'
+let s:c_ns_anchor_name = s:ns_anchor_char.'\+'
 let s:c_ns_anchor_property =  '&'.s:c_ns_anchor_name
 let s:c_ns_alias_node      = '\*'.s:c_ns_anchor_name
+let s:c_ns_properties      = '\%(\%('.s:c_ns_tag_property.'\|'.s:c_ns_anchor_property.'\)\s\+\)\+'
 
 let s:ns_directive_name = s:ns_char.'\+'
 
@@ -100,57 +100,71 @@ execute 'syn region yamlDirective oneline start='.string('^\ze%'.s:ns_directive_
             \                                     'yamlReservedDirective '.
             \                            'keepend'
 
-syn match yamlTAGDirective '%TAG\s\+' contained nextgroup=yamlTagHandle
-execute 'syn match yamlTagHandle contained nextgroup=yamlTagPrefix '.string(s:c_tag_handle.'\s\+')
-execute 'syn match yamlTagPrefix contained nextgroup=yamlComment ' . string(s:ns_tag_prefix)
+syn match yamlTAGDirective /%TAG\ze\s/ contained nextgroup=yamlTagHandle skipwhite
+execute 'syn match yamlTagHandle' string(s:c_tag_handle)  'contained nextgroup=yamlTagPrefix skipwhite'
+execute 'syn match yamlTagPrefix' string(s:ns_tag_prefix) 'contained nextgroup=yamlComment skipwhite'
 
-syn match yamlYAMLDirective '%YAML\s\+'  contained nextgroup=yamlYAMLVersion
-syn match yamlYAMLVersion   '\d\+\.\d\+' contained nextgroup=yamlComment
+syn match yamlYAMLDirective /%YAML\ze\s/ contained nextgroup=yamlYAMLVersion skipwhite
+syn match yamlYAMLVersion   /\d\+\.\d\+/ contained nextgroup=yamlComment skipwhite
 
 execute 'syn match yamlReservedDirective contained nextgroup=yamlComment '.
             \string('%\%(\%(TAG\|YAML\)\s\)\@!'.s:ns_directive_name)
 
 syn region yamlFlowString matchgroup=yamlFlowStringDelimiter start='"' skip='\\"' end='"'
-            \ contains=yamlEscape
-            \ nextgroup=yamlKeyValueDelimiter
+            \ contains=yamlEscape contained nextgroup=yamlFlowMappingDelimiter,yamlComment skipwhite
 syn region yamlFlowString matchgroup=yamlFlowStringDelimiter start="'" skip="''"  end="'"
-            \ contains=yamlSingleEscape
-            \ nextgroup=yamlKeyValueDelimiter
+            \ contains=yamlSingleEscape contained nextgroup=yamlFlowMappingDelimiter,yamlComment skipwhite
 syn match  yamlEscape contained '\\\%([\\"abefnrtv\^0_ NLP\n]\|x\x\x\|u\x\{4}\|U\x\{8}\)'
 syn match  yamlSingleEscape contained "''"
 
-syn match yamlBlockScalarHeader contained '\s\+\zs[|>]\%([+-]\=[1-9]\|[1-9]\=[+-]\)\='
-
 syn cluster yamlConstant contains=yamlBool,yamlNull
 
-syn cluster yamlFlow contains=yamlFlowString,yamlFlowMapping,yamlFlowCollection
-syn cluster yamlFlow      add=yamlFlowMappingKey,yamlFlowMappingMerge
-syn cluster yamlFlow      add=@yamlConstant,yamlPlainScalar,yamlFloat
-syn cluster yamlFlow      add=yamlTimestamp,yamlInteger,yamlMappingKeyStart
-syn cluster yamlFlow      add=yamlComment
-syn region yamlFlowMapping    matchgroup=yamlFlowIndicator start='{' end='}' contains=@yamlFlow
-syn region yamlFlowCollection matchgroup=yamlFlowIndicator start='\[' end='\]' contains=@yamlFlow
+syn cluster yamlFlowNode contains=yamlFlowString,yamlFlowMapping,yamlFlowCollection
+syn cluster yamlFlowNode      add=yamlFlowMappingKey,yamlFlowMappingKeyStart,yamlFlowMappingMerge
+syn cluster yamlFlowNode      add=@yamlConstant,yamlPlainScalar,yamlFloat,yamlComment
+syn cluster yamlFlowNode      add=yamlTimestamp,yamlInteger,yamlAlias,yamlFlowNodeProperties
+syn region yamlFlowMapping    matchgroup=yamlFlowIndicator start='{\@<!{{\@!' end='}' contains=@yamlFlowNode
+syn region yamlFlowCollection matchgroup=yamlFlowIndicator start='\[' end='\]' contains=@yamlFlowNode
 
 execute 'syn match yamlPlainScalar /'.s:ns_plain_out.'/'
 execute 'syn match yamlPlainScalar contained /'.s:ns_plain_in.'/'
 
-syn match yamlMappingKeyStart '?\ze\s'
-syn match yamlMappingKeyStart '?' contained
-
-execute 'syn match yamlFlowMappingKey /\%#=1'.s:ns_plain_in.'\%(\s\+'.s:ns_plain_in.'\)*\ze\s*:/ contained '.
-            \'nextgroup=yamlKeyValueDelimiter'
-syn match yamlFlowMappingMerge /<<\ze\s*:/ contained nextgroup=yamlKeyValueDelimiter
-
-syn match yamlBlockCollectionItemStart '^\s*\zs-\%(\s\+-\)*\s' nextgroup=yamlBlockMappingKey,yamlBlockMappingMerge
-" Use the old regexp engine, the NFA engine doesn't like all the \@ items.
-execute 'syn match yamlBlockMappingKey /\%#=1^\s*\zs'.s:ns_plain_out.'\%(\s\+'.s:ns_plain_out.'\)*\ze\s*:\%(\s\|$\)/ '.
-            \'nextgroup=yamlKeyValueDelimiter'
-execute 'syn match yamlBlockMappingKey /\%#=1\s*\zs'.s:ns_plain_out.'\%(\s\+'.s:ns_plain_out.'\)*\ze\s*:\%(\s\|$\)/ contained '.
-            \'nextgroup=yamlKeyValueDelimiter'
-syn match yamlBlockMappingMerge /^\s*\zs<<\ze:\%(\s\|$\)/ nextgroup=yamlKeyValueDelimiter
-syn match yamlBlockMappingMerge /<<\ze\s*:\%(\s\|$\)/ nextgroup=yamlKeyValueDelimiter contained
-
-syn match   yamlKeyValueDelimiter /\s*:/ contained
+execute 'syn match yamlFlowMappingKey /'.s:ns_plain_in.'\%(\s\+'.s:ns_plain_in.'\)*\ze\s*:/ contained '.
+            \'nextgroup=yamlFlowMappingDelimiter skipwhite'
+syn match yamlFlowMappingKeyStart      /?/ contained nextgroup=@yamlFlowNode skipwhite
+syn match yamlFlowMappingMerge /<<\ze\s*:/ contained nextgroup=yamlFlowMappingDelimiter skipwhite
+syn match yamlFlowMappingDelimiter     /:/ contained nextgroup=@yamlFlowNode skipwhite
+execute 'syn match yamlFlowNodeProperties' string(s:c_ns_properties)
+            \ 'contained contains=yamlNodeTag,yamlAnchor nextgroup=@yamlFlowNode skipwhite'
+
+execute 'syn match yamlBlockMappingKey /^\s*\zs'.s:ns_plain_out.'\%(\s\+'.s:ns_plain_out.'\)*\ze\s*:\%(\s\|$\)/ '.
+            \'nextgroup=yamlBlockMappingDelimiter skipwhite'
+execute 'syn match yamlBlockMappingKey        /'.s:ns_plain_out.'\%(\s\+'.s:ns_plain_out.'\)*\ze\s*:\%(\s\|$\)/ contained '.
+            \'nextgroup=yamlBlockMappingDelimiter skipwhite'
+syn match yamlBlockMappingKeyString /^\s*\zs\%("\%([^"]\|\\"\)*"\|'\%([^']\|''\)*'\)\ze\s*:\%(\s\|$\)/
+            \ contains=yamlFlowString nextgroup=yamlBlockMappingDelimiter skipwhite
+syn match yamlBlockMappingKeyString        /\%("\%([^"]\|\\"\)*"\|'\%([^']\|''\)*'\)\ze\s*:\%(\s\|$\)/ contained
+            \ contains=yamlFlowString nextgroup=yamlBlockMappingDelimiter skipwhite
+syn match yamlBlockMappingMerge   /^\s*\zs<<\ze\s*:\%(\s\|$\)/           nextgroup=yamlBlockMappingDelimiter skipwhite
+syn match yamlBlockMappingMerge          /<<\ze\s*:\%(\s\|$\)/ contained nextgroup=yamlBlockMappingDelimiter skipwhite
+
+syn match yamlBlockMappingDelimiter    /^\s*\zs:\ze\%(\s\|$\)/           nextgroup=@yamlBlockNode skipwhite
+syn match yamlBlockMappingDelimiter           /:\ze\%(\s\|$\)/ contained nextgroup=@yamlBlockNode skipwhite
+syn match yamlBlockMappingKeyStart     /^\s*\zs?\ze\%(\s\|$\)/           nextgroup=@yamlBlockNode skipwhite
+syn match yamlBlockMappingKeyStart            /?\ze\%(\s\|$\)/ contained nextgroup=@yamlBlockNode skipwhite
+
+syn match yamlBlockCollectionItemStart /^\s*\zs-\ze\%(\s\|$\)/           nextgroup=@yamlBlockNode skipwhite
+syn match yamlBlockCollectionItemStart        /-\ze\%(\s\|$\)/ contained nextgroup=@yamlBlockNode skipwhite
+
+execute 'syn match yamlBlockNodeProperties' string(s:c_ns_properties)
+            \ 'contained contains=yamlNodeTag,yamlAnchor nextgroup=@yamlFlowNode,yamlBlockScalarHeader skipwhite'
+syn match yamlBlockScalarHeader '[|>]\%([1-9][+-]\|[+-]\?[1-9]\?\)\%(\s\+#.*\)\?$' contained
+            \ contains=yamlComment nextgroup=yamlBlockString skipnl
+syn region yamlBlockString start=/^\z(\s\+\)/ skip=/^$/ end=/^\%(\z1\)\@!/ contained
+
+syn cluster yamlBlockNode contains=@yamlFlowNode,yamlBlockMappingKey,yamlBlockMappingKeyString,
+            \yamlBlockMappingMerge,yamlBlockMappingKeyStart,yamlBlockCollectionItemStart,
+            \yamlBlockNodeProperties,yamlBlockScalarHeader
 
 syn cluster yamlScalarWithSpecials contains=yamlPlainScalar,yamlBlockMappingKey,yamlFlowMappingKey
 
@@ -164,8 +178,8 @@ elseif b:yaml_schema is# 'core'
     syn keyword yamlNull null Null NULL contained containedin=@yamlScalarWithSpecials
     syn keyword yamlBool true True TRUE false False FALSE contained containedin=@yamlScalarWithSpecials
     exe 'syn match   yamlNull /'.s:_bounder.'\@1<!\~'.s:_bounder.'\@!/ contained containedin=@yamlScalarWithSpecials'
-    exe 'syn match   yamlInteger /'.s:_bounder.'\@1<!\%([+-]\=\%(0\%(b[0-1_]\+\|[0-7_]\+\|x[0-9a-fA-F_]\+\)\=\|\%([1-9][0-9_]*\%(:[0-5]\=\d\)\+\)\)\|[1-9][0-9_]*\)'.s:_bounder.'\@!/ contained containedin=@yamlScalarWithSpecials'
-    exe 'syn match   yamlFloat /'.s:_bounder.'\@1<!\%([+-]\=\%(\%(\d[0-9_]*\)\.[0-9_]*\%([eE][+-]\=\d\+\)\=\|\.[0-9_]\+\%([eE][-+]\=[0-9]\+\)\=\|\d[0-9_]*\%(:[0-5]\=\d\)\+\.[0-9_]*\|\.\%(inf\|Inf\|INF\)\)\|\%(\.\%(nan\|NaN\|NAN\)\)\)'.s:_bounder.'\@!/ contained containedin=@yamlScalarWithSpecials'
+    exe 'syn match   yamlInteger /'.s:_bounder.'\@1<!\%([-+]\=\%(\%(0\%(b[0-1_]\+\|o\?[0-7_]\+\|x[0-9a-fA-F_]\+\)\=\|\%([1-9][0-9_]*\%(:[0-5]\=\d\)\+\)\)\|[1-9][0-9_]*\)\)'.s:_bounder.'\@!/ contained containedin=@yamlScalarWithSpecials'
+    exe 'syn match   yamlFloat /'.s:_bounder.'\@1<!\%([-+]\=\%(\%(\d[0-9_]*\)\.[0-9_]*\%([eE][-+]\=\d\+\)\=\|\.[0-9_]\+\%([eE][-+]\=[0-9]\+\)\=\|\d[0-9_]*\%(:[0-5]\=\d\)\+\.[0-9_]*\|\.\%(inf\|Inf\|INF\)\)\|\%(\.\%(nan\|NaN\|NAN\)\)\)'.s:_bounder.'\@!/ contained containedin=@yamlScalarWithSpecials'
 elseif b:yaml_schema is# 'pyyaml'
     syn keyword yamlNull null Null NULL contained containedin=@yamlScalarWithSpecials
     syn keyword yamlBool true True TRUE false False FALSE yes Yes YES no No NO on On ON off Off OFF contained containedin=@yamlScalarWithSpecials
@@ -208,17 +222,27 @@ hi def link yamlFlowStringDelimiter      yamlString
 hi def link yamlEscape                   SpecialChar
 hi def link yamlSingleEscape             SpecialChar
 
-hi def link yamlBlockCollectionItemStart Label
-hi def link yamlBlockMappingKey          Identifier
-hi def link yamlBlockMappingMerge        Special
-
-hi def link yamlFlowMappingKey           Identifier
-hi def link yamlFlowMappingMerge         Special
-
+hi def link yamlMappingKey               Identifier
 hi def link yamlMappingKeyStart          Special
-hi def link yamlFlowIndicator            Special
+hi def link yamlMappingMerge             Special
 hi def link yamlKeyValueDelimiter        Special
 
+hi def link yamlFlowIndicator            Special
+hi def link yamlFlowMappingKey           yamlMappingKey
+hi def link yamlFlowMappingKeyStart      yamlMappingKeyStart
+hi def link yamlFlowMappingMerge         yamlMappingMerge
+hi def link yamlFlowMappingDelimiter     yamlKeyValueDelimiter
+
+hi def link yamlBlockMappingKey          yamlMappingKey
+hi def link yamlBlockMappingKeyStart     yamlMappingKeyStart
+hi def link yamlBlockMappingMerge        yamlMappingMerge
+hi def link yamlBlockMappingDelimiter    yamlKeyValueDelimiter
+hi def link yamlBlockCollectionItemStart Label
+hi def link yamlBlockScalarHeader        Special
+" We do not link yamlBlockString to yamlString, because yamlPlainScalar is
+" not highlighted as string neighter, and also due to historical reasons.
+" hi def link yamlBlockString              yamlString
+
 hi def link yamlConstant                 Constant
 
 hi def link yamlNull                     yamlConstant
@@ -234,10 +258,18 @@ hi def link yamlTimestamp                Number
 
 let b:current_syntax = "yaml"
 
-unlet s:ns_word_char s:ns_uri_char s:c_verbatim_tag s:c_named_tag_handle s:c_secondary_tag_handle s:c_primary_tag_handle s:c_tag_handle s:ns_tag_char s:c_ns_shorthand_tag s:c_non_specific_tag s:c_ns_tag_property s:c_ns_anchor_char s:c_ns_anchor_name s:c_ns_anchor_property s:c_ns_alias_node s:ns_char s:ns_directive_name s:ns_local_tag_prefix s:ns_global_tag_prefix s:ns_tag_prefix s:c_indicator s:ns_plain_safe_out s:c_flow_indicator s:ns_plain_safe_in s:ns_plain_first_in s:ns_plain_first_out s:ns_plain_char_in s:ns_plain_char_out s:ns_plain_out s:ns_plain_in s:ns_char_without_c_indicator s:ns_plain_safe_in_without_colhash s:ns_plain_safe_out_without_colhash
-unlet s:_collection s:_neg_collection
+unlet s:ns_char s:ns_word_char s:ns_uri_char s:ns_tag_char s:c_indicator s:c_flow_indicator
+            \ s:ns_anchor_char s:ns_char_without_c_indicator s:_collection s:_neg_collection
+            \ s:c_verbatim_tag s:c_named_tag_handle s:c_secondary_tag_handle s:c_primary_tag_handle
+            \ s:c_tag_handle s:c_ns_shorthand_tag s:c_non_specific_tag s:c_ns_tag_property
+            \ s:c_ns_anchor_name s:c_ns_anchor_property s:c_ns_alias_node s:c_ns_properties
+            \ s:ns_directive_name s:ns_local_tag_prefix s:ns_global_tag_prefix s:ns_tag_prefix
+            \ s:ns_plain_safe_out s:ns_plain_safe_in s:ns_plain_safe_in_without_colhash s:ns_plain_safe_out_without_colhash
+            \ s:ns_plain_first_in s:ns_plain_first_out s:ns_plain_char_in s:ns_plain_char_out s:ns_plain_out s:ns_plain_in
 delfunction s:SimplifyAdjacentCollections
 delfunction s:SimplifyToAssumeAllPrintable
 
 let &cpo = s:cpo_save
 unlet s:cpo_save
+
+" vim: set et sw=4 sts=4 ts=8:
diff --git a/runtime/syntax/zathurarc.vim b/runtime/syntax/zathurarc.vim
new file mode 100644
index 0000000..5e0526d
--- /dev/null
+++ b/runtime/syntax/zathurarc.vim
@@ -0,0 +1,37 @@
+" Vim syntax file
+" Language:             Zathurarc
+" Maintainer:           Wu, Zhenyu <wuzhenyu@ustc.edu>
+" Documentation:        https://pwmt.org/projects/zathura/documentation/
+" Upstream:             https://github.com/Freed-Wu/zathurarc.vim
+" Latest Revision:      2024-04-02
+
+if exists('b:current_syntax')
+  finish
+endif
+let b:current_syntax = 'zathurarc'
+
+syntax case match
+syntax iskeyword @,48-57,_,192-255,-
+
+syntax region zathurarcComment start="\%([ \t]*\&\([^\\]\zs\|^\)\)#" end="$"
+syntax match zathurarcBracket /[<>]/ contained
+syntax match zathurarcNotation `<[A-Z][a-z0-9]\+>` contains=zathurarcBracket
+syntax match zathurarcNumber `\<[0-9.]\>`
+syntax region zathurarcString start=`"` skip=`\\"` end=`"`
+syntax region zathurarcString start=`'` skip=`\\'` end=`'`
+syntax keyword zathurarcMode normal fullscreen presentation index
+syntax keyword zathurarcBoolean true false
+syntax keyword zathurarcCommand include map set unmap
+syntax keyword zathurarcOption abort-clear-search adjust-open advance-pages-per-row completion-bg completion-fg completion-group-bg completion-group-fg completion-highlight-bg completion-highlight-fg continuous-hist-save database dbus-raise-window dbus-service default-bg default-fg exec-command filemonitor first-page-column font guioptions highlight-active-color highlight-color highlight-fg highlight-transparency incremental-search index-active-bg index-active-fg index-bg index-fg inputbar-bg inputbar-fg link-hadjust link-zoom n-completion-items notification-bg notification-error-bg notification-error-fg notification-fg notification-warning-bg notification-warning-fg page-cache-size page-padding page-right-to-left page-thumbnail-size pages-per-row recolor recolor-darkcolor recolor-keephue recolor-lightcolor recolor-reverse-video render-loading render-loading-bg render-loading-fg sandbox scroll-full-overlap scroll-hstep scroll-page-aware scroll-step scroll-wrap search-hadjust selection-clipboard selection-notification show-directories show-hidden show-recent statusbar-basename statusbar-bg statusbar-fg statusbar-h-padding statusbar-home-tilde statusbar-page-percent statusbar-v-padding synctex synctex-editor-command vertical-center window-height window-icon window-icon-document window-title-basename window-title-home-tilde window-title-page window-width zoom-center zoom-max zoom-min zoom-step
+
+highlight default link zathurarcComment Comment
+highlight default link zathurarcNumber Number
+highlight default link zathurarcMode Macro
+highlight default link zathurarcString String
+highlight default link zathurarcBoolean Boolean
+" same as vim
+highlight default link zathurarcBracket Delimiter
+highlight default link zathurarcNotation Special
+highlight default link zathurarcCommand Statement
+highlight default link zathurarcOption PreProc
+" ex: nowrap