Merge remote-tracking branch 'upstream/master' into mix_20240309

61 files changed, 4389 insertions, 876 deletions

diff --git a/runtime/syntax/antlr4.vim b/runtime/syntax/antlr4.vim
new file mode 100644
index 0000000000..33cc865ccc
--- /dev/null
+++ b/runtime/syntax/antlr4.vim
@@ -0,0 +1,30 @@
+" Vim syntax file
+" Language:	ANTLR4, ANother Tool for Language Recognition v4 <www.antlr.org>
+" Maintainer:	Yinzuo Jiang <jiangyinzuo@foxmail.com>
+" Last Change:	2024 July 09
+
+" quit when a syntax file was already loaded
+if exists("b:current_syntax")
+  finish
+endif
+
+" Keywords. See https://github.com/antlr/antlr4/blob/4.13.1/doc/lexicon.md
+syn keyword antlr4Include import
+" https://github.com/antlr/antlr4/blob/4.13.1/doc/options.md
+" https://github.com/antlr/antlr4/blob/4.13.1/doc/grammars.md
+syn keyword antlr4Structure fragment lexer parser grammar options channels tokens mode
+syn keyword antlr4Statement returns locals
+syn keyword antlr4Exceptions throws catch finally
+
+" Comments.
+syn keyword antlr4Todo contained TODO FIXME XXX NOTE
+syn region antlr4Comment start="//"  end="$"   contains=antlr4Todo,@Spell
+syn region antlr4Comment start="/\*" end="\*/" contains=antlr4Todo,@Spell
+
+hi def link antlr4Include Include
+hi def link antlr4Structure Structure
+hi def link antlr4Statement Statement
+hi def link antlr4Exceptions Structure
+hi def link antlr4Comment Comment
+
+let b:current_syntax = "antlr4"
diff --git a/runtime/syntax/asy.vim b/runtime/syntax/asy.vim
new file mode 100644
index 0000000000..ed2bf712f5
--- /dev/null
+++ b/runtime/syntax/asy.vim
@@ -0,0 +1,243 @@
+" Vim syntax file
+" Language:     Asymptote
+" Maintainer:   Avid Seeker <avidseeker7@protonmail.com>
+"               Andy Hammerlindl
+" Last Change:  2022 Jan 05
+
+" Hacked together from Bram Moolenaar's C syntax file, and Claudio Fleiner's
+" Java syntax file.
+
+if exists("b:current_syntax")
+  finish
+endif
+
+" useful C/C++/Java keywords
+syn keyword     asyStatement     break return continue unravel
+syn keyword     asyConditional   if else
+syn keyword     asyRepeat        while for do
+syn keyword     asyExternal      access from import include
+syn keyword     asyOperator      new operator
+
+" basic asymptote keywords
+syn keyword     asyConstant      VERSION
+syn keyword     asyConstant      true false default infinity inf nan
+syn keyword     asyConstant      null nullframe nullpath nullpen
+syn keyword     asyConstant      intMin intMax realMin realMax
+syn keyword     asyConstant      realEpsilon realDigits
+syn keyword     asyPathSpec      and cycle controls tension atleast curl
+syn keyword     asyStorageClass  static public restricted private explicit
+syn keyword     asyStructure     struct typedef
+syn keyword     asyType          void bool bool3 int real string file
+syn keyword     asyType          pair triple transform guide path pen frame
+syn keyword     asyType          picture
+
+" module specific keywords
+if exists("asy_syn_plain")
+  syn keyword   asyConstant      currentpicture currentpen defaultpen
+  syn keyword   asyConstant      inch inches cm mm bp pt up down right left
+  syn keyword   asyConstant      E NE N NW W SW S SE
+  syn keyword   asyConstant      ENE NNE NNW WNW WSW SSW SSE ESE
+  syn keyword   asyConstant      I pi twopi
+  syn keyword   asyConstant      CCW CW
+  syn keyword   asyConstant      undefined sqrtEpsilon Align mantissaBits
+  syn keyword   asyConstant      identity zeroTransform invert
+  syn keyword   asyConstant      stdin stdout
+  syn keyword   asyConstant      unitsquare unitcircle circleprecision
+  syn keyword   asyConstant      solid dotted Dotted dashed dashdotted
+  syn keyword   asyConstant      longdashed longdashdotted
+  syn keyword   asyConstant      squarecap roundcap extendcap
+  syn keyword   asyConstant      miterjoin roundjoin beveljoin
+  syn keyword   asyConstant      zerowinding evenodd basealign nobasealign
+  syn keyword   asyConstant      black white gray red green blue Cyan Magenta
+  syn keyword   asyConstant      Yellow Black cyan magenta yellow palered
+  syn keyword   asyConstant      palegreen paleblue palecyan palemagenta
+  syn keyword   asyConstant      paleyellow palegray lightred lightgreen
+  syn keyword   asyConstant      lightblue lightcyan lightmagenta lightyellow
+  syn keyword   asyConstant      lightgray mediumred mediumgreen mediumblue
+  syn keyword   asyConstant      mediumcyan mediummagenta mediumyellow
+  syn keyword   asyConstant      mediumgray heavyred heavygreen heavyblue
+  syn keyword   asyConstant      heavycyan heavymagenta lightolive heavygray
+  syn keyword   asyConstant      deepred deepgreen deepblue deepcyan
+  syn keyword   asyConstant      deepmagenta deepyellow deepgray darkred
+  syn keyword   asyConstant      darkgreen darkblue darkcyan darkmagenta
+  syn keyword   asyConstant      darkolive darkgray orange fuchsia chartreuse
+  syn keyword   asyConstant      springgreen purple royalblue salmon brown
+  syn keyword   asyConstant      olive darkbrown pink palegrey lightgrey
+  syn keyword   asyConstant      mediumgrey grey heavygrey deepgrey darkgrey
+
+  if exists("asy_syn_texcolors")
+    syn keyword asyConstant      GreenYellow Yellow Goldenrod Dandelion
+    syn keyword asyConstant      Apricot Peach Melon YellowOrange Orange
+    syn keyword asyConstant      BurntOrange Bittersweet RedOrange Mahogany
+    syn keyword asyConstant      Maroon BrickRed Red OrangeRed RubineRed
+    syn keyword asyConstant      WildStrawberry Salmon CarnationPink Magenta
+    syn keyword asyConstant      VioletRed Rhodamine Mulberry RedViolet
+    syn keyword asyConstant      Fuchsia Lavender Thistle Orchid DarkOrchid
+    syn keyword asyConstant      Purple Plum Violet RoyalPurple BlueViolet
+    syn keyword asyConstant      Periwinkle CadetBlue CornflowerBlue
+    syn keyword asyConstant      MidnightBlue NavyBlue RoyalBlue Blue
+    syn keyword asyConstant      Cerulean Cyan ProcessBlue SkyBlue Turquoise
+    syn keyword asyConstant      TealBlue Aquamarine BlueGreen Emerald
+    syn keyword asyConstant      JungleGreen SeaGreen Green ForestGreen
+    syn keyword asyConstant      PineGreen LimeGreen YellowGreen SpringGreen
+    syn keyword asyConstant      OliveGreen RawSienna Sepia Brown Tan Gray
+    syn keyword asyConstant      Black White
+  endif
+
+  if exists("asy_syn_x11colors")
+    syn keyword asyConstant      AliceBlue AntiqueWhite Aqua Aquamarine Azure
+    syn keyword asyConstant      Beige Bisque Black BlanchedAlmond Blue
+    syn keyword asyConstant      BlueViolet Brown BurlyWood CadetBlue
+    syn keyword asyConstant      Chartreuse Chocolate Coral CornflowerBlue
+    syn keyword asyConstant      Cornsilk Crimson Cyan DarkBlue DarkCyan
+    syn keyword asyConstant      DarkGoldenrod DarkGray DarkGreen DarkKhaki
+    syn keyword asyConstant      DarkMagenta DarkOliveGreen DarkOrange
+    syn keyword asyConstant      DarkOrchid DarkRed DarkSalmon DarkSeaGreen
+    syn keyword asyConstant      DarkSlateBlue DarkSlateGray DarkTurquoise
+    syn keyword asyConstant      DarkViolet DeepPink DeepSkyBlue DimGray
+    syn keyword asyConstant      DodgerBlue FireBrick FloralWhite ForestGreen
+    syn keyword asyConstant      Fuchsia Gainsboro GhostWhite Gold Goldenrod
+    syn keyword asyConstant      Gray Green GreenYellow Honeydew HotPink
+    syn keyword asyConstant      IndianRed Indigo Ivory Khaki Lavender
+    syn keyword asyConstant      LavenderBlush LawnGreen LemonChiffon
+    syn keyword asyConstant      LightBlue LightCoral LightCyan
+    syn keyword asyConstant      LightGoldenrodYellow LightGreen LightGrey
+    syn keyword asyConstant      LightPink LightSalmon LightSeaGreen
+    syn keyword asyConstant      LightSkyBlue LightSlateGray LightSteelBlue
+    syn keyword asyConstant      LightYellow Lime LimeGreen Linen Magenta
+    syn keyword asyConstant      Maroon MediumAquamarine MediumBlue
+    syn keyword asyConstant      MediumOrchid MediumPurple MediumSeaGreen
+    syn keyword asyConstant      MediumSlateBlue MediumSpringGreen
+    syn keyword asyConstant      MediumTurquoise MediumVioletRed MidnightBlue
+    syn keyword asyConstant      MintCream MistyRose Moccasin NavajoWhite
+    syn keyword asyConstant      Navy OldLace Olive OliveDrab Orange
+    syn keyword asyConstant      OrangeRed Orchid PaleGoldenrod PaleGreen
+    syn keyword asyConstant      PaleTurquoise PaleVioletRed PapayaWhip
+    syn keyword asyConstant      PeachPuff Peru Pink Plum PowderBlue Purple
+    syn keyword asyConstant      Red RosyBrown RoyalBlue SaddleBrown Salmon
+    syn keyword asyConstant      SandyBrown SeaGreen Seashell Sienna Silver
+    syn keyword asyConstant      SkyBlue SlateBlue SlateGray Snow SpringGreen
+    syn keyword asyConstant      SteelBlue Tan Teal Thistle Tomato Turquoise
+    syn keyword asyConstant      Violet Wheat White WhiteSmoke Yellow
+    syn keyword asyConstant      YellowGreen
+  endif
+
+  if exists("asy_syn_three")
+    syn keyword asyType          path3 guide3 transform3
+    syn keyword asyType          projection light material patch surface tube
+    syn keyword asyConstant      currentprojection currentlight defaultrender
+    syn keyword asyConstant      identity4 O X Y Z
+    syn keyword asyConstant      nolight nullpens
+    syn keyword asyConstant      unitsphere unithemisphere unitplane octant1
+    syn keyword asyConstant      unitcone unitsolidcone unitcube unitcylinder
+    syn keyword asyConstant      unitdisk unittube
+  endif
+endif
+
+
+" string constants
+syn region asyCString start=+'+ end=+'+ skip=+\\\\\|\\'+ contains=asyCSpecial
+syn match  asyCSpecial display contained +\\\(['"?\\abfnrtv]\|\o\{1,3}\)+
+syn match  asyCSpecial display contained +\\\(x[0-9A-F]\{1,2\}\|$\)+
+" double quoted strings only special character is \"
+syn region asyString   start=+"+ end=+"+ skip=+\\\\\|\\"+ contains=asySpecial
+syn match  asySpecial  display contained +\(\\\)\@1<!\(\\\\\)*\zs\\"+
+
+
+" number constants
+syn match  asyNumbers     display transparent "\<\d\|\.\d"
+                        \ contains=asyNumber,asyNumberError
+syn match  asyNumber      display contained "\d*\.\=\d*\(e[-+]\=\d\+\)\="
+" highlight number constants with two '.' or with '.' after an 'e'
+syn match  asyNumberError display contained "\d*\.\(\d\|e[-+]\=\)*\.[0-9.]*"
+syn match  asyNumberError display contained "\d*e[-+]\=\d*\.[0-9.]*"
+syn match  asyNumberError display contained "\d*e[-+]\=\(e[-+]\=\)*\.[0-9.]*"
+
+
+" comments and comment strings
+syn keyword  asyTodo            contained TODO FIXME XXX
+syn sync     ccomment           asyComment minlines=15
+if exists("asy_comment_strings")
+  " A comment can contain asyString, asyCString, and asyNumber. But a "*/"
+  " inside a asy*String in a asyComment DOES end the comment!  So we need to
+  " use a special type of asy*String: asyComment*String, which also ends on
+  " "*/", and sees a "*" at the start of the line as comment again.
+  " Unfortunately this doesn't very well work for // type of comments :-(
+  syn match  asyCommentSkip     contained "^\s*\*\($\|\s\+\)"
+  syn region asyCommentString   contained start=+"+ skip=+\\\\\|\\"+ end=+"+
+                              \ end=+\*/+me=s-1
+                              \ contains=asySpecial,asyCommentSkip
+  syn region asyCommentCString  contained start=+'+ skip=+\\\\\|\\'+ end=+'+
+                              \ end=+\*/+me=s-1
+                              \ contains=asyCSpecial,asyCommentSkip
+  syn region asyCommentLString  contained start=+"+ skip=+\\\\\|\\"+ end=+"+
+                              \ end="$" contains=asySpecial
+  syn region asyCommentLCString contained start=+'+ skip=+\\\\\|\\'+ end=+'+
+                              \ end="$" contains=asyCSpecial
+  syn region asyCommentL        start="//" skip="\\$" end="$" keepend
+                              \ contains=asyTodo,asyCommentLString,
+                              \ asyCommentLCString,asyNumbers
+  syn region asyComment         matchgroup=asyComment start="/\*" end="\*/"
+                              \ contains=asyTodo,asyCommentStartError,
+                              \ asyCommentString,asyCommentCString,asyNumbers
+else
+  syn region asyCommentL        start="//" skip="\\$" end="$" keepend
+                              \ contains=asyTodo
+  syn region asyComment         matchgroup=asyComment start="/\*" end="\*/"
+                              \ contains=asyTodo,asyCommentStartError
+endif
+
+" highlight common errors when starting/ending C comments
+syn match    asyCommentError      display "\*/"
+syn match    asyCommentStartError display "/\*"me=e-1 contained
+
+
+" delimiter matching errors
+syn region asyCurly      transparent start='{'  end='}'
+                       \ contains=TOP,asyCurlyError
+syn region asyBrack      transparent start='\[' end='\]' matchgroup=asyError
+                       \ end=';' contains=TOP,asyBrackError
+syn region asyParen      transparent start='('  end=')'  matchgroup=asyError
+                       \ end=';' contains=TOP,asyParenError
+syn match  asyCurlyError display '}'
+syn match  asyBrackError display '\]'
+syn match  asyParenError display ')'
+" for (;;) constructs are exceptions that allow ; inside parenthesis
+syn region asyParen      transparent matchgroup=asyParen
+                       \ start='\(for\s*\)\@<=(' end=')'
+                       \ contains=TOP,asyParenError
+
+" Define the default highlighting.
+hi def link asyCommentL             asyComment
+hi def link asyConditional          Conditional
+hi def link asyRepeat               Repeat
+hi def link asyNumber               Number
+hi def link asyNumberError          asyError
+hi def link asyCurlyError           asyError
+hi def link asyBracketError         asyError
+hi def link asyParenError           asyError
+hi def link asyCommentError         asyError
+hi def link asyCommentStartError    asyError
+hi def link asyOperator             Operator
+hi def link asyStructure            Structure
+hi def link asyStorageClass         StorageClass
+hi def link asyExternal             Include
+hi def link asyDefine               Macro
+hi def link asyError                Error
+hi def link asyStatement            Statement
+hi def link asyType                 Type
+hi def link asyConstant             Constant
+hi def link asyCommentString        asyString
+hi def link asyCommentCString       asyString
+hi def link asyCommentLString       asyString
+hi def link asyCommentLCString      asyString
+hi def link asyCommentSkip          asyComment
+hi def link asyString               String
+hi def link asyCString              String
+hi def link asyComment              Comment
+hi def link asySpecial              SpecialChar
+hi def link asyCSpecial             SpecialChar
+hi def link asyTodo                 Todo
+hi def link asyPathSpec             Statement
+
+let b:current_syntax = "asy"
diff --git a/runtime/syntax/checkhealth.vim b/runtime/syntax/checkhealth.vim
index 2fd0aed601..a4f6e016cb 100644
--- a/runtime/syntax/checkhealth.vim
+++ b/runtime/syntax/checkhealth.vim
@@ -14,7 +14,9 @@ syn case match
 syn keyword DiagnosticError ERROR[:]
 syn keyword DiagnosticWarn WARNING[:]
 syn keyword DiagnosticOk OK[:]
-syn match helpSectionDelim "^======*\n.*$"
-syn match healthHeadingChar "=" conceal cchar=─ contained containedin=helpSectionDelim
+" Note: hs=e starts higlighting on the title line (instead of the "===" line).
+syn match helpSectionDelim /^======*\n.*$/hs=e
+highlight helpSectionDelim gui=reverse cterm=reverse
+syn match healthHeadingChar "=" conceal cchar= contained containedin=helpSectionDelim
 
 let b:current_syntax = "checkhealth"
diff --git a/runtime/syntax/chicken.vim b/runtime/syntax/chicken.vim
index f53d872e74..958fc1f361 100644
--- a/runtime/syntax/chicken.vim
+++ b/runtime/syntax/chicken.vim
@@ -1,13 +1,13 @@
 " Vim syntax file
-" Language: Scheme (CHICKEN)
-" Last Change: 2021 Oct 01
-" Author: Evan Hanson <evhan@foldling.org>
-" Maintainer: Evan Hanson <evhan@foldling.org>
-" Repository: https://git.foldling.org/vim-scheme.git
-" URL: https://foldling.org/vim/syntax/chicken.vim
-" Notes: This is supplemental syntax, to be loaded after the core Scheme
-" syntax file (syntax/scheme.vim). Enable it by setting b:is_chicken=1
-" and filetype=scheme.
+" Language:    Scheme (CHICKEN)
+" Last Change: 2024 Jun 21
+" Author:      Evan Hanson <evhan@foldling.org>
+" Maintainer:  Evan Hanson <evhan@foldling.org>
+" Repository:  https://git.foldling.org/vim-scheme.git
+" URL:         https://foldling.org/vim/syntax/chicken.vim
+" Notes:       This is supplemental syntax, to be loaded after the core
+"              Scheme syntax file (syntax/scheme.vim). Enable it by
+"              setting b:is_chicken=1 and filetype=scheme.
 
 " Only to be used on top of the Scheme syntax.
 if !exists('b:did_scheme_syntax')
diff --git a/runtime/syntax/csv.vim b/runtime/syntax/csv.vim
new file mode 100644
index 0000000000..6295c3e29a
--- /dev/null
+++ b/runtime/syntax/csv.vim
@@ -0,0 +1,38 @@
+" Maintainer: Maxim Kim <habamax@gmail.com>
+" Converted from vim9script
+" Last Update: 2024-06-18
+
+if exists("b:current_syntax")
+    finish
+endif
+
+let s:delimiter = get(b:, "csv_delimiter", ",")
+
+" generate bunch of following syntaxes:
+" syntax match csvCol8 /.\{-}\(,\|$\)/ nextgroup=escCsvCol0,csvCol0
+" syntax region escCsvCol8 start=/ *"\([^"]*""\)*[^"]*/ end=/" *\(,\|$\)/ nextgroup=escCsvCol0,csvCol0
+for s:col in range(8, 0, -1)
+    let s:ncol = (s:col == 8 ? 0 : s:col + 1)
+    exe $'syntax match csvCol{s:col}' .. ' /.\{-}\(' .. s:delimiter .. '\|$\)/ nextgroup=escCsvCol' .. s:ncol .. ',csvCol' .. s:ncol
+    exe $'syntax region escCsvCol{s:col}' .. ' start=/ *"\([^"]*""\)*[^"]*/ end=/" *\(' .. s:delimiter .. '\|$\)/ nextgroup=escCsvCol' .. s:ncol .. ',csvCol' .. s:ncol
+endfor
+
+hi def link csvCol1 Statement
+hi def link csvCol2 Constant
+hi def link csvCol3 Type
+hi def link csvCol4 PreProc
+hi def link csvCol5 Identifier
+hi def link csvCol6 Special
+hi def link csvCol7 String
+hi def link csvCol8 Comment
+
+hi def link escCsvCol1 csvCol1
+hi def link escCsvCol2 csvCol2
+hi def link escCsvCol3 csvCol3
+hi def link escCsvCol4 csvCol4
+hi def link escCsvCol5 csvCol5
+hi def link escCsvCol6 csvCol6
+hi def link escCsvCol7 csvCol7
+hi def link escCsvCol8 csvCol8
+
+let b:current_syntax = "csv"
diff --git a/runtime/syntax/deb822sources.vim b/runtime/syntax/deb822sources.vim
index f7d337fce9..ec45605905 100644
--- a/runtime/syntax/deb822sources.vim
+++ b/runtime/syntax/deb822sources.vim
@@ -40,7 +40,7 @@ syn match deb822sourcesUri            '\(https\?://\|ftp://\|[rs]sh://\|debtorre
 syn region deb822sourcesStrictField matchgroup=deb822sourcesEntryField start="^\%(Types\|URIs\|Suites\|Components\): *" end="$" contains=deb822sourcesType,deb822sourcesUri,deb822sourcesSupportedSuites,deb822sourcesUnsupportedSuites,deb822sourcesFreeComponent,deb822sourcesNonFreeComponent oneline
 syn region deb822sourcesField matchgroup=deb822sourcesOptionField start="^\%(Signed-By\|Check-Valid-Until\|Valid-Until-Min\|Valid-Until-Max\|Date-Max-Future\|InRelease-Path\): *" end="$" oneline
 syn region deb822sourcesField matchgroup=deb822sourcesMultiValueOptionField start="^\%(Architectures\|Languages\|Targets\)\%(-Add\|-Remove\)\?: *" end="$" oneline
-syn region deb822sourcesStrictField matchgroup=deb822sourcesBooleanOptionField start="^\%(PDiffs\|Allow-Insecure\|Allow-Weak\|Allow-Downgrade-To-Insecure\|Trusted\|Check-Date\): *" end="$" contains=deb822sourcesYesNo oneline
+syn region deb822sourcesStrictField matchgroup=deb822sourcesBooleanOptionField start="^\%(PDiffs\|Allow-Insecure\|Allow-Weak\|Allow-Downgrade-To-Insecure\|Trusted\|Check-Date\|Enabled\): *" end="$" contains=deb822sourcesYesNo oneline
 syn region deb822sourcesStrictField matchgroup=deb822sourcesForceBooleanOptionField start="^\%(By-Hash\): *" end="$" contains=deb822sourcesForce,deb822sourcesYesNo oneline
 
 hi def link deb822sourcesField                   Default
diff --git a/runtime/syntax/debcopyright.vim b/runtime/syntax/debcopyright.vim
index 6f76b5c868..cb9e8965de 100644
--- a/runtime/syntax/debcopyright.vim
+++ b/runtime/syntax/debcopyright.vim
@@ -1,7 +1,7 @@
 " Vim syntax file
 " Language:    Debian copyright file
 " Maintainer:  Debian Vim Maintainers
-" Last Change: 2023 Jan 16
+" Last Change: 2024 Jul 28
 " URL: https://salsa.debian.org/vim-team/vim-debian/blob/main/syntax/debcopyright.vim
 
 " Standard syntax initialization
@@ -15,7 +15,7 @@ set cpo&vim
 syn case match
 
 syn match debcopyrightUrl       "\vhttps?://[[:alnum:]][-[:alnum:]]*[[:alnum:]]?(\.[[:alnum:]][-[:alnum:]]*[[:alnum:]]?)*\.[[:alpha:]][-[:alnum:]]*[[:alpha:]]?(:\d+)?(/[^[:space:]]*)?$"
-syn match debcopyrightKey       "^\%(Format\|Upstream-Name\|Upstream-Contact\|Disclaimer\|Source\|Comment\|Files\|Copyright\|License\|Files-Excluded\%(-[-a-zA-Z0-9]\+\)\=\): *"
+syn match debcopyrightKey       "^\%(Format\|Upstream-Name\|Upstream-Contact\|Disclaimer\|Source\|Comment\|Files\|Copyright\|License\|Files-\%(Excluded\|Included\)\%(-[-a-zA-Z0-9]\+\)\=\): *"
 syn match debcopyrightEmail     "[_=[:alnum:]\.+-]\+@[[:alnum:]\./\-]\+"
 syn match debcopyrightEmail     "<.\{-}>"
 syn match debcopyrightComment   "^#.*$" contains=@Spell
diff --git a/runtime/syntax/dockerfile.vim b/runtime/syntax/dockerfile.vim
index ce52e697cd..6ec71fcdb6 100644
--- a/runtime/syntax/dockerfile.vim
+++ b/runtime/syntax/dockerfile.vim
@@ -1,6 +1,6 @@
 " dockerfile.vim - Syntax highlighting for Dockerfiles
 " Maintainer:   Honza Pokorny <https://honza.ca>
-" Last Change:  2020 Feb 11
+" Last Change:  2024 Jul 03
 " License:      BSD
 
 " https://docs.docker.com/engine/reference/builder/
@@ -34,7 +34,7 @@ syntax region dockerfileJSON   contained keepend start=/\v\[/ skip=/\v\\\_./ end
 syntax region dockerfileShell  contained keepend start=/\v/ skip=/\v\\\_./ end=/\v$/ contains=@Shell
 syntax region dockerfileValue  contained keepend start=/\v/ skip=/\v\\\_./ end=/\v$/ contains=dockerfileString
 
-syntax region dockerfileComment start=/\v^\s*#/ end=/\v$/
+syntax region dockerfileComment start=/\v^\s*#/ end=/\v$/ contains=@Spell
 set commentstring=#\ %s
 
 hi def link dockerfileString String
diff --git a/runtime/syntax/dosbatch.vim b/runtime/syntax/dosbatch.vim
index 55601996ad..0c3e99be3b 100644
--- a/runtime/syntax/dosbatch.vim
+++ b/runtime/syntax/dosbatch.vim
@@ -3,6 +3,7 @@
 " Maintainer:	Mike Williams <mrmrdubya@gmail.com>
 " Filenames:    *.bat
 " Last Change:	3rd February 2024
+" 2024 Aug 14 by Vim Project: improve syntax (#15453)
 "
 " Options Flags:
 " dosbatch_cmdextversion	- 1 = Windows NT, 2 = Windows 2000 [default]
@@ -45,7 +46,7 @@ syn match dosbatchString	"\<echo\([^)>|]\|\^\@<=[)>|]\)*"lc=4 contains=dosbatchV
 syn match dosbatchEchoOperator  "\<echo\s\+\(on\|off\)\s*$"lc=4
 
 " For embedded commands
-syn match dosbatchCmd		"(\s*'[^']*'"lc=1 contains=dosbatchString,dosbatchVariable,dosBatchArgument,@dosbatchNumber,dosbatchImplicit,dosbatchStatement,dosbatchConditional,dosbatchRepeat,dosbatchOperator
+syn match dosbatchCmd		"(\s*'[^']*'"lc=1 contains=dosbatchString,dosbatchVariable,dosBatchArgument,@dosbatchNumber,dosbatchImplicit,dosbatchStatement,dosbatchConditional,dosbatchRepeat,dosbatchOperator,dosbatchIfOperator
 
 " Numbers - surround with ws to not include in dir and filenames
 syn match dosbatchInteger       "[[:space:]=(/:,!~-]\d\+"lc=1
@@ -74,7 +75,7 @@ syn match dosbatchSet		"\s\h\w*[+-]\==\{-1}" contains=dosbatchIdentifier,dosbatc
 
 " Args to bat files and for loops, etc
 syn match dosbatchArgument	"%\(\d\|\*\)"
-syn match dosbatchArgument	"%[a-z]\>"
+syn match dosbatchArgument	"%%[a-z]\>"
 if dosbatch_cmdextversion == 1
   syn match dosbatchArgument	"%\~[fdpnxs]\+\(\($PATH:\)\=[a-z]\|\d\)\>"
 else
@@ -102,9 +103,11 @@ else
   syn match dosbatchColonCommentErr contained "\s*:\s*:.*$"
 endif
 syn match dosbatchColonCommentErr contained "\s*:\s*:[^)]*\(\(\n\s*\)\?)\)\@="
-syn region dosbatchCodeBlock	transparent start=+(+ end=+)+ contains=dosbatchString,dosbatchVariable,dosBatchArgument,@dosbatchNumber,dosbatchImplicit,dosbatchStatement,dosbatchConditional,dosbatchRepeat,dosbatchOperator,@dosbatchCodeBlockComment,dosbatchColonCommentErr,dosbatchCodeBlock
+syn region dosbatchCodeBlock	transparent start=+(+ end=+)+ contains=dosbatchString,dosbatchVariable,dosBatchArgument,@dosbatchNumber,dosbatchImplicit,dosbatchStatement,dosbatchConditional,dosbatchRepeat,dosbatchOperator,dosbatchIfOperator,@dosbatchCodeBlockComment,dosbatchColonCommentErr,dosbatchCodeBlock
 syn match dosbatchCodeBlockErr	")"
 
+syn sync match dosbatchSyncCodeBlock grouphere NONE "^)\s*$"
+
 syn keyword dosbatchImplicit    append assoc at attrib break cacls cd chcp chdir
 syn keyword dosbatchImplicit    chkdsk chkntfs cls cmd color comp compact convert copy
 syn keyword dosbatchImplicit    date del dir diskcomp diskcopy doskey echo endlocal
diff --git a/runtime/syntax/dosini.vim b/runtime/syntax/dosini.vim
index 66e17ec9af..e8212b6d2e 100644
--- a/runtime/syntax/dosini.vim
+++ b/runtime/syntax/dosini.vim
@@ -1,12 +1,12 @@
 " Vim syntax file
 " Language:               Configuration File (ini file) for MSDOS/MS Windows
-" Version:                2.3
+" Version:                2.4
 " Original Author:        Sean M. McKee <mckee@misslink.net>
 " Previous Maintainer:    Nima Talebi <nima@it.net.au>
 " Current Maintainer:     Hong Xu <hong@topbug.net>
 " Homepage:               http://www.vim.org/scripts/script.php?script_id=3747
 " Repository:             https://github.com/xuhdev/syntax-dosini.vim
-" Last Change:            2023 Aug 20
+" Last Change:            2024 Sept 08
 
 
 " quit when a syntax file was already loaded
@@ -27,7 +27,7 @@ syn match  dosiniNumber   "=\zs\s*\d\+\s*$"
 syn match  dosiniNumber   "=\zs\s*\d*\.\d\+\s*$"
 syn match  dosiniNumber   "=\zs\s*\d\+e[+-]\=\d\+\s*$"
 syn region dosiniHeader   start="^\s*\[" end="\]"
-syn match  dosiniComment  "^[#;].*$"
+syn match  dosiniComment  "^[#;].*$" contains=@Spell
 syn region dosiniSection  start="\s*\[.*\]" end="\ze\s*\[.*\]" fold
       \ contains=dosiniLabel,dosiniValue,dosiniNumber,dosiniHeader,dosiniComment
 
diff --git a/runtime/syntax/dune.vim b/runtime/syntax/dune.vim
index b4254057c0..3cfb47fbee 100644
--- a/runtime/syntax/dune.vim
+++ b/runtime/syntax/dune.vim
@@ -4,6 +4,7 @@
 "              Anton Kochkov       <anton.kochkov@gmail.com>
 " URL:         https://github.com/ocaml/vim-ocaml
 " Last Change:
+"              2023 Nov 24 - Add end-of-line strings (Samuel Hym)
 "              2019 Feb 27 - Add newer keywords to the syntax (Simon Cruanes)
 "              2018 May 8 - Check current_syntax (Kawahara Satoru)
 "              2018 Mar 29 - Extend jbuild syntax with more keywords (Petter A. Urkedal)
@@ -38,6 +39,8 @@ syn keyword lispFunc ignore-stdout ignore-stderr ignore-outputs
 syn keyword lispFunc with-stdout-to with-stderr-to with-outputs-to
 syn keyword lispFunc write-file system bash
 
+syn region lispString start=+"\\[>|]+ end=+$+ contains=@Spell
+
 syn cluster lispBaseListCluster add=duneVar
 syn match duneVar '\${[@<^]}' containedin=lispSymbol
 syn match duneVar '\${\k\+\(:\k\+\)\?}' containedin=lispSymbol
diff --git a/runtime/syntax/fstab.vim b/runtime/syntax/fstab.vim
index 91150bc37b..64d5bee3d0 100644
--- a/runtime/syntax/fstab.vim
+++ b/runtime/syntax/fstab.vim
@@ -2,8 +2,8 @@
 " Language: fstab file
 " Maintainer: Radu Dineiu <radu.dineiu@gmail.com>
 " URL: https://raw.github.com/rid9/vim-fstab/master/syntax/fstab.vim
-" Last Change: 2023 Feb 19
-" Version: 1.6.3
+" Last Change: 2024 Jul 11
+" Version: 1.6.4
 "
 " Credits:
 "   David Necas (Yeti) <yeti@physics.muni.cz>
@@ -35,7 +35,7 @@ syn match fsOperator /[,=:#]/
 " Device
 syn cluster fsDeviceCluster contains=fsOperator,fsDeviceKeyword,fsDeviceError
 syn match fsDeviceError /\%([^a-zA-Z0-9_\/#@:\.-]\|^\w\{-}\ze\W\)/ contained
-syn keyword fsDeviceKeyword contained none proc linproc tmpfs devpts devtmpfs sysfs usbfs
+syn keyword fsDeviceKeyword contained none proc linproc tmpfs devpts devtmpfs sysfs usbfs tracefs overlay
 syn keyword fsDeviceKeyword contained LABEL nextgroup=fsDeviceLabel
 syn keyword fsDeviceKeyword contained UUID nextgroup=fsDeviceUUID
 syn keyword fsDeviceKeyword contained PARTLABEL nextgroup=fsDevicePARTLABEL
@@ -56,7 +56,7 @@ syn keyword fsMountPointKeyword contained none swap
 " Type
 syn cluster fsTypeCluster contains=fsTypeKeyword,fsTypeUnknown
 syn match fsTypeUnknown /\s\+\zs\w\+/ contained
-syn keyword fsTypeKeyword contained adfs ados affs anon_inodefs atfs audiofs auto autofs bdev befs bfs btrfs binfmt_misc cd9660 ceph cfs cgroup cifs coda coherent configfs cpuset cramfs debugfs devfs devpts devtmpfs dlmfs e2compr ecryptfs efivarfs efs erofs exfat ext2 ext2fs ext3 ext4 f2fs fdesc ffs filecore fuse fuseblk fusectl gfs2 hfs hfsplus hpfs hugetlbfs iso9660 jffs jffs2 jfs kernfs lfs linprocfs mfs minix mqueue msdos ncpfs nfs nfs4 nfsd nilfs2 none ntfs ntfs3 null nwfs ocfs2 omfs overlay ovlfs pipefs portal proc procfs pstore ptyfs pvfs2 qnx4 qnx6 reiserfs ramfs romfs rpc_pipefs securityfs shm smbfs spufs squashfs sockfs sshfs std subfs swap sysfs sysv tcfs tmpfs ubifs udf ufs umap umsdos union usbfs userfs v9fs vfat virtiofs vs3fs vxfs wrapfs wvfs xenfs xenix xfs zisofs zonefs
+syn keyword fsTypeKeyword contained adfs ados affs anon_inodefs atfs audiofs auto autofs bdev befs bfs btrfs binfmt_misc cd9660 ceph cfs cgroup cifs coda coherent configfs cpuset cramfs debugfs devfs devpts devtmpfs dlmfs e2compr ecryptfs efivarfs efs erofs exfat ext2 ext2fs ext3 ext4 f2fs fdesc ffs filecore fuse fuseblk fusectl gfs2 hfs hfsplus hpfs hugetlbfs iso9660 jffs jffs2 jfs kernfs lfs linprocfs mfs minix mqueue msdos ncpfs nfs nfs4 nfsd nilfs2 none ntfs ntfs3 null nwfs ocfs2 omfs overlay ovlfs pipefs portal proc procfs pstore ptyfs pvfs2 qnx4 qnx6 reiserfs ramfs romfs rpc_pipefs securityfs shm smbfs spufs squashfs sockfs sshfs std subfs swap sysfs sysv tcfs tmpfs tracefs ubifs udf ufs umap umsdos union usbfs userfs v9fs vfat virtiofs vs3fs vxfs wrapfs wvfs xenfs xenix xfs zisofs zonefs
 
 " Options
 " -------
@@ -80,10 +80,10 @@ syn match fsOptionsKeywords contained /\<x-systemd\.\%(device-bound\|automount\|
 syn match fsOptionsKeywords contained /\<x-initrd\.mount/
 
 syn match fsOptionsKeywords contained /\<cache=/ nextgroup=fsOptionsCache
-syn keyword fsOptionsCache yes no none strict loose fscache mmap
+syn keyword fsOptionsCache contained yes no none strict loose fscache mmap
 
 syn match fsOptionsKeywords contained /\<dax=/ nextgroup=fsOptionsDax
-syn keyword fsOptionsDax inode never always
+syn keyword fsOptionsDax contained inode never always
 
 syn match fsOptionsKeywords contained /\<errors=/ nextgroup=fsOptionsErrors
 syn keyword fsOptionsErrors contained continue panic withdraw remount-ro recover zone-ro zone-offline repair
@@ -288,8 +288,15 @@ syn match fsOptionsKeywords contained /\<\%(atime_quantum\|preferred_slot\|local
 syn keyword fsOptionsKeywords contained strictatime inode64
 
 " Options: overlay
+syn match fsOptionsKeywords contained /\<\%(index\|uuid\|nfs_export\|metacopy\)=/ nextgroup=fsOptionsOverlayBool
+syn keyword fsOptionsOverlayBool contained on off
+syn match fsOptionsKeywords contained /\<\%(lowerdir\|upperdir\|workdir\)=/ nextgroup=fsOptionsOverlayDir
+syn match fsOptionsOverlayDir contained /[^,[:space:]]*/
 syn match fsOptionsKeywords contained /\<redirect_dir=/ nextgroup=fsOptionsOverlayRedirectDir
 syn keyword fsOptionsOverlayRedirectDir contained on follow off nofollow
+syn match fsOptionsKeywords contained /\<xino=/ nextgroup=fsOptionsOverlayXino
+syn keyword fsOptionsOverlayXino contained on off auto
+syn keyword fsOptionsKeywords contained userxattr volatile
 
 " Options: proc
 syn match fsOptionsKeywords contained /\<\%(hidepid\|subset\)=/ nextgroup=fsOptionsString
@@ -462,7 +469,10 @@ hi def link fsOptionsNumberOctal Number
 hi def link fsOptionsNumberSigned Number
 hi def link fsOptionsOcfs2Coherency String
 hi def link fsOptionsOcfs2ResvLevel Number
+hi def link fsOptionsOverlayBool Boolean
+hi def link fsOptionsOverlayDir String
 hi def link fsOptionsOverlayRedirectDir String
+hi def link fsOptionsOverlayXino String
 hi def link fsOptionsQnx4Bitmap String
 hi def link fsOptionsQnx6Hold String
 hi def link fsOptionsQnx6Sync String
diff --git a/runtime/syntax/glsl.vim b/runtime/syntax/glsl.vim
new file mode 100644
index 0000000000..06ffcba625
--- /dev/null
+++ b/runtime/syntax/glsl.vim
@@ -0,0 +1,752 @@
+" Language: OpenGL Shading Language
+" Maintainer: Gregory Anders <greg@gpanders.com>
+" Last Modified: 2024 Jul 21
+" Upstream: https://github.com/tikhomirov/vim-glsl
+
+if exists('b:current_syntax')
+  finish
+endif
+
+" Statements
+syn keyword glslConditional if else switch case default
+syn keyword glslRepeat      for while do
+syn keyword glslStatement   discard return break continue
+
+" Comments
+syn keyword glslTodo     contained TODO FIXME XXX NOTE
+syn region  glslCommentL start="//" skip="\\$" end="$" keepend contains=glslTodo,@Spell
+syn region  glslComment  matchgroup=glslCommentStart start="/\*" end="\*/" extend contains=glslTodo,@Spell
+
+" Preprocessor
+syn region  glslPreCondit       start="^\s*#\s*\(if\|ifdef\|ifndef\|else\|elif\|endif\)" skip="\\$" end="$" keepend
+syn region  glslDefine          start="^\s*#\s*\(define\|undef\)" skip="\\$" end="$" keepend
+syn keyword glslTokenConcat     ##
+syn keyword glslPredefinedMacro __LINE__ __FILE__ __VERSION__ GL_ES
+syn region  glslPreProc         start="^\s*#\s*\(error\|pragma\|extension\|version\|line\)" skip="\\$" end="$" keepend
+syn region  glslInclude         start="^\s*#\s*include" skip="\\$" end="$" keepend
+
+" Folding Blocks
+syn region glslCurlyBlock start="{" end="}" transparent fold
+syn region glslParenBlock start="(" end=")" transparent fold
+
+" Boolean Constants
+syn keyword glslBoolean true false
+
+" Integer Numbers
+syn match glslDecimalInt display "\<\(0\|[1-9]\d*\)[uU]\?"
+syn match glslOctalInt   display "\<0\o\+[uU]\?"
+syn match glslHexInt     display "\<0[xX]\x\+[uU]\?"
+
+" Float Numbers
+syn match glslFloat display "\<\d\+\.\([eE][+-]\=\d\+\)\=\(lf\|LF\|f\|F\)\="
+syn match glslFloat display "\<\.\d\+\([eE][+-]\=\d\+\)\=\(lf\|LF\|f\|F\)\="
+syn match glslFloat display "\<\d\+[eE][+-]\=\d\+\(lf\|LF\|f\|F\)\="
+syn match glslFloat display "\<\d\+\.\d\+\([eE][+-]\=\d\+\)\=\(lf\|LF\|f\|F\)\="
+
+" Swizzles
+syn match glslSwizzle display /\.[xyzw]\{1,4\}\>/
+syn match glslSwizzle display /\.[rgba]\{1,4\}\>/
+syn match glslSwizzle display /\.[stpq]\{1,4\}\>/
+
+" Structure
+syn keyword glslStructure struct nextgroup=glslIdentifier skipwhite skipempty
+
+syn match glslIdentifier contains=glslIdentifierPrime "\%([a-zA-Z_]\)\%([a-zA-Z0-9_]\)*" display contained
+
+" Types
+syn keyword glslType accelerationStructureEXT
+syn keyword glslType atomic_uint
+syn keyword glslType bool
+syn keyword glslType bvec2
+syn keyword glslType bvec3
+syn keyword glslType bvec4
+syn keyword glslType dmat2
+syn keyword glslType dmat2x2
+syn keyword glslType dmat2x3
+syn keyword glslType dmat2x4
+syn keyword glslType dmat3
+syn keyword glslType dmat3x2
+syn keyword glslType dmat3x3
+syn keyword glslType dmat3x4
+syn keyword glslType dmat4
+syn keyword glslType dmat4x2
+syn keyword glslType dmat4x3
+syn keyword glslType dmat4x4
+syn keyword glslType double
+syn keyword glslType dvec2
+syn keyword glslType dvec3
+syn keyword glslType dvec4
+syn keyword glslType float
+syn keyword glslType iimage1D
+syn keyword glslType iimage1DArray
+syn keyword glslType iimage2D
+syn keyword glslType iimage2DArray
+syn keyword glslType iimage2DMS
+syn keyword glslType iimage2DMSArray
+syn keyword glslType iimage2DRect
+syn keyword glslType iimage3D
+syn keyword glslType iimageBuffer
+syn keyword glslType iimageCube
+syn keyword glslType iimageCubeArray
+syn keyword glslType image1D
+syn keyword glslType image1DArray
+syn keyword glslType image2D
+syn keyword glslType image2DArray
+syn keyword glslType image2DMS
+syn keyword glslType image2DMSArray
+syn keyword glslType image2DRect
+syn keyword glslType image3D
+syn keyword glslType imageBuffer
+syn keyword glslType imageCube
+syn keyword glslType imageCubeArray
+syn keyword glslType int
+syn keyword glslType isampler1D
+syn keyword glslType isampler1DArray
+syn keyword glslType isampler2D
+syn keyword glslType isampler2DArray
+syn keyword glslType isampler2DMS
+syn keyword glslType isampler2DMSArray
+syn keyword glslType isampler2DRect
+syn keyword glslType isampler3D
+syn keyword glslType isamplerBuffer
+syn keyword glslType isamplerCube
+syn keyword glslType isamplerCubeArray
+syn keyword glslType ivec2
+syn keyword glslType ivec3
+syn keyword glslType ivec4
+syn keyword glslType mat2
+syn keyword glslType mat2x2
+syn keyword glslType mat2x3
+syn keyword glslType mat2x4
+syn keyword glslType mat3
+syn keyword glslType mat3x2
+syn keyword glslType mat3x3
+syn keyword glslType mat3x4
+syn keyword glslType mat4
+syn keyword glslType mat4x2
+syn keyword glslType mat4x3
+syn keyword glslType mat4x4
+syn keyword glslType rayQueryEXT
+syn keyword glslType sampler1D
+syn keyword glslType sampler1DArray
+syn keyword glslType sampler1DArrayShadow
+syn keyword glslType sampler1DShadow
+syn keyword glslType sampler2D
+syn keyword glslType sampler2DArray
+syn keyword glslType sampler2DArrayShadow
+syn keyword glslType sampler2DMS
+syn keyword glslType sampler2DMSArray
+syn keyword glslType sampler2DRect
+syn keyword glslType sampler2DRectShadow
+syn keyword glslType sampler2DShadow
+syn keyword glslType sampler3D
+syn keyword glslType samplerBuffer
+syn keyword glslType samplerCube
+syn keyword glslType samplerCubeArray
+syn keyword glslType samplerCubeArrayShadow
+syn keyword glslType samplerCubeShadow
+syn keyword glslType uimage1D
+syn keyword glslType uimage1DArray
+syn keyword glslType uimage2D
+syn keyword glslType uimage2DArray
+syn keyword glslType uimage2DMS
+syn keyword glslType uimage2DMSArray
+syn keyword glslType uimage2DRect
+syn keyword glslType uimage3D
+syn keyword glslType uimageBuffer
+syn keyword glslType uimageCube
+syn keyword glslType uimageCubeArray
+syn keyword glslType uint
+syn keyword glslType usampler1D
+syn keyword glslType usampler1DArray
+syn keyword glslType usampler2D
+syn keyword glslType usampler2DArray
+syn keyword glslType usampler2DMS
+syn keyword glslType usampler2DMSArray
+syn keyword glslType usampler2DRect
+syn keyword glslType usampler3D
+syn keyword glslType usamplerBuffer
+syn keyword glslType usamplerCube
+syn keyword glslType usamplerCubeArray
+syn keyword glslType uvec2
+syn keyword glslType uvec3
+syn keyword glslType uvec4
+syn keyword glslType vec2
+syn keyword glslType vec3
+syn keyword glslType vec4
+syn keyword glslType void
+
+" Qualifiers
+syn keyword glslQualifier align
+syn keyword glslQualifier attribute
+syn keyword glslQualifier binding
+syn keyword glslQualifier buffer
+syn keyword glslQualifier callableDataEXT
+syn keyword glslQualifier callableDataInEXT
+syn keyword glslQualifier ccw
+syn keyword glslQualifier centroid
+syn keyword glslQualifier centroid varying
+syn keyword glslQualifier coherent
+syn keyword glslQualifier column_major
+syn keyword glslQualifier const
+syn keyword glslQualifier cw
+syn keyword glslQualifier depth_any
+syn keyword glslQualifier depth_greater
+syn keyword glslQualifier depth_less
+syn keyword glslQualifier depth_unchanged
+syn keyword glslQualifier early_fragment_tests
+syn keyword glslQualifier equal_spacing
+syn keyword glslQualifier flat
+syn keyword glslQualifier fractional_even_spacing
+syn keyword glslQualifier fractional_odd_spacing
+syn keyword glslQualifier highp
+syn keyword glslQualifier hitAttributeEXT
+syn keyword glslQualifier in
+syn keyword glslQualifier index
+syn keyword glslQualifier inout
+syn keyword glslQualifier invariant
+syn keyword glslQualifier invocations
+syn keyword glslQualifier isolines
+syn keyword glslQualifier layout
+syn keyword glslQualifier line_strip
+syn keyword glslQualifier lines
+syn keyword glslQualifier lines_adjacency
+syn keyword glslQualifier local_size_x
+syn keyword glslQualifier local_size_y
+syn keyword glslQualifier local_size_z
+syn keyword glslQualifier location
+syn keyword glslQualifier lowp
+syn keyword glslQualifier max_vertices
+syn keyword glslQualifier mediump
+syn keyword glslQualifier nonuniformEXT
+syn keyword glslQualifier noperspective
+syn keyword glslQualifier offset
+syn keyword glslQualifier origin_upper_left
+syn keyword glslQualifier out
+syn keyword glslQualifier packed
+syn keyword glslQualifier patch
+syn keyword glslQualifier pixel_center_integer
+syn keyword glslQualifier point_mode
+syn keyword glslQualifier points
+syn keyword glslQualifier precise
+syn keyword glslQualifier precision
+syn keyword glslQualifier quads
+syn keyword glslQualifier r11f_g11f_b10f
+syn keyword glslQualifier r16
+syn keyword glslQualifier r16_snorm
+syn keyword glslQualifier r16f
+syn keyword glslQualifier r16i
+syn keyword glslQualifier r16ui
+syn keyword glslQualifier r32f
+syn keyword glslQualifier r32i
+syn keyword glslQualifier r32ui
+syn keyword glslQualifier r8
+syn keyword glslQualifier r8_snorm
+syn keyword glslQualifier r8i
+syn keyword glslQualifier r8ui
+syn keyword glslQualifier rayPayloadEXT
+syn keyword glslQualifier rayPayloadInEXT
+syn keyword glslQualifier readonly
+syn keyword glslQualifier restrict
+syn keyword glslQualifier rg16
+syn keyword glslQualifier rg16_snorm
+syn keyword glslQualifier rg16f
+syn keyword glslQualifier rg16i
+syn keyword glslQualifier rg16ui
+syn keyword glslQualifier rg32f
+syn keyword glslQualifier rg32i
+syn keyword glslQualifier rg32ui
+syn keyword glslQualifier rg8
+syn keyword glslQualifier rg8_snorm
+syn keyword glslQualifier rg8i
+syn keyword glslQualifier rg8ui
+syn keyword glslQualifier rgb10_a2
+syn keyword glslQualifier rgb10_a2ui
+syn keyword glslQualifier rgba16
+syn keyword glslQualifier rgba16_snorm
+syn keyword glslQualifier rgba16f
+syn keyword glslQualifier rgba16i
+syn keyword glslQualifier rgba16ui
+syn keyword glslQualifier rgba32f
+syn keyword glslQualifier rgba32i
+syn keyword glslQualifier rgba32ui
+syn keyword glslQualifier rgba8
+syn keyword glslQualifier rgba8_snorm
+syn keyword glslQualifier rgba8i
+syn keyword glslQualifier rgba8ui
+syn keyword glslQualifier row_major
+syn keyword glslQualifier sample
+syn keyword glslQualifier shaderRecordEXT
+syn keyword glslQualifier shared
+syn keyword glslQualifier smooth
+syn keyword glslQualifier std140
+syn keyword glslQualifier std430
+syn keyword glslQualifier stream
+syn keyword glslQualifier triangle_strip
+syn keyword glslQualifier triangles
+syn keyword glslQualifier triangles_adjacency
+syn keyword glslQualifier uniform
+syn keyword glslQualifier varying
+syn keyword glslQualifier vertices
+syn keyword glslQualifier volatile
+syn keyword glslQualifier writeonly
+syn keyword glslQualifier xfb_buffer
+syn keyword glslQualifier xfb_offset
+syn keyword glslQualifier xfb_stride
+
+" Built-in Constants
+syn keyword glslBuiltinConstant gl_CullDistance
+syn keyword glslBuiltinConstant gl_HitKindBackFacingTriangleEXT
+syn keyword glslBuiltinConstant gl_HitKindFrontFacingTriangleEXT
+syn keyword glslBuiltinConstant gl_MaxAtomicCounterBindings
+syn keyword glslBuiltinConstant gl_MaxAtomicCounterBufferSize
+syn keyword glslBuiltinConstant gl_MaxClipDistances
+syn keyword glslBuiltinConstant gl_MaxClipPlanes
+syn keyword glslBuiltinConstant gl_MaxCombinedAtomicCounterBuffers
+syn keyword glslBuiltinConstant gl_MaxCombinedAtomicCounters
+syn keyword glslBuiltinConstant gl_MaxCombinedClipAndCullDistances
+syn keyword glslBuiltinConstant gl_MaxCombinedImageUniforms
+syn keyword glslBuiltinConstant gl_MaxCombinedImageUnitsAndFragmentOutputs
+syn keyword glslBuiltinConstant gl_MaxCombinedShaderOutputResources
+syn keyword glslBuiltinConstant gl_MaxCombinedTextureImageUnits
+syn keyword glslBuiltinConstant gl_MaxComputeAtomicCounterBuffers
+syn keyword glslBuiltinConstant gl_MaxComputeAtomicCounters
+syn keyword glslBuiltinConstant gl_MaxComputeImageUniforms
+syn keyword glslBuiltinConstant gl_MaxComputeTextureImageUnits
+syn keyword glslBuiltinConstant gl_MaxComputeUniformComponents
+syn keyword glslBuiltinConstant gl_MaxComputeWorkGroupCount
+syn keyword glslBuiltinConstant gl_MaxComputeWorkGroupSize
+syn keyword glslBuiltinConstant gl_MaxCullDistances
+syn keyword glslBuiltinConstant gl_MaxDrawBuffers
+syn keyword glslBuiltinConstant gl_MaxFragmentAtomicCounterBuffers
+syn keyword glslBuiltinConstant gl_MaxFragmentAtomicCounters
+syn keyword glslBuiltinConstant gl_MaxFragmentImageUniforms
+syn keyword glslBuiltinConstant gl_MaxFragmentInputComponents
+syn keyword glslBuiltinConstant gl_MaxFragmentInputVectors
+syn keyword glslBuiltinConstant gl_MaxFragmentUniformComponents
+syn keyword glslBuiltinConstant gl_MaxFragmentUniformVectors
+syn keyword glslBuiltinConstant gl_MaxGeometryAtomicCounterBuffers
+syn keyword glslBuiltinConstant gl_MaxGeometryAtomicCounters
+syn keyword glslBuiltinConstant gl_MaxGeometryImageUniforms
+syn keyword glslBuiltinConstant gl_MaxGeometryInputComponents
+syn keyword glslBuiltinConstant gl_MaxGeometryOutputComponents
+syn keyword glslBuiltinConstant gl_MaxGeometryOutputVertices
+syn keyword glslBuiltinConstant gl_MaxGeometryTextureImageUnits
+syn keyword glslBuiltinConstant gl_MaxGeometryTotalOutputComponents
+syn keyword glslBuiltinConstant gl_MaxGeometryUniformComponents
+syn keyword glslBuiltinConstant gl_MaxGeometryVaryingComponents
+syn keyword glslBuiltinConstant gl_MaxImageSamples
+syn keyword glslBuiltinConstant gl_MaxImageUnits
+syn keyword glslBuiltinConstant gl_MaxLights
+syn keyword glslBuiltinConstant gl_MaxPatchVertices
+syn keyword glslBuiltinConstant gl_MaxProgramTexelOffset
+syn keyword glslBuiltinConstant gl_MaxSamples
+syn keyword glslBuiltinConstant gl_MaxTessControlAtomicCounterBuffers
+syn keyword glslBuiltinConstant gl_MaxTessControlAtomicCounters
+syn keyword glslBuiltinConstant gl_MaxTessControlImageUniforms
+syn keyword glslBuiltinConstant gl_MaxTessControlInputComponents
+syn keyword glslBuiltinConstant gl_MaxTessControlOutputComponents
+syn keyword glslBuiltinConstant gl_MaxTessControlTextureImageUnits
+syn keyword glslBuiltinConstant gl_MaxTessControlTotalOutputComponents
+syn keyword glslBuiltinConstant gl_MaxTessControlUniformComponents
+syn keyword glslBuiltinConstant gl_MaxTessEvaluationAtomicCounterBuffers
+syn keyword glslBuiltinConstant gl_MaxTessEvaluationAtomicCounters
+syn keyword glslBuiltinConstant gl_MaxTessEvaluationImageUniforms
+syn keyword glslBuiltinConstant gl_MaxTessEvaluationInputComponents
+syn keyword glslBuiltinConstant gl_MaxTessEvaluationOutputComponents
+syn keyword glslBuiltinConstant gl_MaxTessEvaluationTextureImageUnits
+syn keyword glslBuiltinConstant gl_MaxTessEvaluationUniformComponents
+syn keyword glslBuiltinConstant gl_MaxTessGenLevel
+syn keyword glslBuiltinConstant gl_MaxTessPatchComponents
+syn keyword glslBuiltinConstant gl_MaxTextureCoords
+syn keyword glslBuiltinConstant gl_MaxTextureImageUnits
+syn keyword glslBuiltinConstant gl_MaxTextureUnits
+syn keyword glslBuiltinConstant gl_MaxTransformFeedbackBuffers
+syn keyword glslBuiltinConstant gl_MaxTransformFeedbackInterleavedComponents
+syn keyword glslBuiltinConstant gl_MaxVaryingComponents
+syn keyword glslBuiltinConstant gl_MaxVaryingFloats
+syn keyword glslBuiltinConstant gl_MaxVaryingVectors
+syn keyword glslBuiltinConstant gl_MaxVertexAtomicCounterBuffers
+syn keyword glslBuiltinConstant gl_MaxVertexAtomicCounters
+syn keyword glslBuiltinConstant gl_MaxVertexAttribs
+syn keyword glslBuiltinConstant gl_MaxVertexImageUniforms
+syn keyword glslBuiltinConstant gl_MaxVertexOutputComponents
+syn keyword glslBuiltinConstant gl_MaxVertexOutputVectors
+syn keyword glslBuiltinConstant gl_MaxVertexTextureImageUnits
+syn keyword glslBuiltinConstant gl_MaxVertexUniformComponents
+syn keyword glslBuiltinConstant gl_MaxVertexUniformVectors
+syn keyword glslBuiltinConstant gl_MaxViewports
+syn keyword glslBuiltinConstant gl_MinProgramTexelOffset
+syn keyword glslBuiltinConstant gl_RayFlagsCullBackFacingTrianglesEXT
+syn keyword glslBuiltinConstant gl_RayFlagsCullFrontFacingTrianglesEXT
+syn keyword glslBuiltinConstant gl_RayFlagsCullNoOpaqueEXT
+syn keyword glslBuiltinConstant gl_RayFlagsCullOpaqueEXT
+syn keyword glslBuiltinConstant gl_RayFlagsNoOpaqueEXT
+syn keyword glslBuiltinConstant gl_RayFlagsNoneEXT
+syn keyword glslBuiltinConstant gl_RayFlagsOpaqueEXT
+syn keyword glslBuiltinConstant gl_RayFlagsSkipClosestHitShaderEXT
+syn keyword glslBuiltinConstant gl_RayFlagsTerminateOnFirstHitEXT
+syn keyword glslBuiltinConstant gl_RayQueryCandidateIntersectionAABBEXT
+syn keyword glslBuiltinConstant gl_RayQueryCandidateIntersectionTriangleEXT
+syn keyword glslBuiltinConstant gl_RayQueryCommittedIntersectionGeneratedEXT
+syn keyword glslBuiltinConstant gl_RayQueryCommittedIntersectionNoneEXT
+syn keyword glslBuiltinConstant gl_RayQueryCommittedIntersectionTriangleEXT
+
+" Built-in Variables
+syn keyword glslBuiltinVariable gl_BackColor
+syn keyword glslBuiltinVariable gl_BackLightModelProduct
+syn keyword glslBuiltinVariable gl_BackLightProduct
+syn keyword glslBuiltinVariable gl_BackLightProduct
+syn keyword glslBuiltinVariable gl_BackMaterial
+syn keyword glslBuiltinVariable gl_BackSecondaryColor
+syn keyword glslBuiltinVariable gl_ClipDistance
+syn keyword glslBuiltinVariable gl_ClipPlane
+syn keyword glslBuiltinVariable gl_ClipVertex
+syn keyword glslBuiltinVariable gl_Color
+syn keyword glslBuiltinVariable gl_DepthRange
+syn keyword glslBuiltinVariable gl_EyePlaneQ
+syn keyword glslBuiltinVariable gl_EyePlaneR
+syn keyword glslBuiltinVariable gl_EyePlaneS
+syn keyword glslBuiltinVariable gl_EyePlaneT
+syn keyword glslBuiltinVariable gl_Fog
+syn keyword glslBuiltinVariable gl_FogCoord
+syn keyword glslBuiltinVariable gl_FogFragCoord
+syn keyword glslBuiltinVariable gl_FragColor
+syn keyword glslBuiltinVariable gl_FragCoord
+syn keyword glslBuiltinVariable gl_FragData
+syn keyword glslBuiltinVariable gl_FragDepth
+syn keyword glslBuiltinVariable gl_FrontColor
+syn keyword glslBuiltinVariable gl_FrontFacing
+syn keyword glslBuiltinVariable gl_FrontLightModelProduct
+syn keyword glslBuiltinVariable gl_FrontLightProduct
+syn keyword glslBuiltinVariable gl_FrontMaterial
+syn keyword glslBuiltinVariable gl_FrontSecondaryColor
+syn keyword glslBuiltinVariable gl_GeometryIndexEXT
+syn keyword glslBuiltinVariable gl_GlobalInvocationID
+syn keyword glslBuiltinVariable gl_HelperInvocation
+syn keyword glslBuiltinVariable gl_HitKindEXT
+syn keyword glslBuiltinVariable gl_HitTEXT
+syn keyword glslBuiltinVariable gl_IncomingRayFlagsEXT
+syn keyword glslBuiltinVariable gl_InstanceCustomIndexEXT
+syn keyword glslBuiltinVariable gl_InstanceID
+syn keyword glslBuiltinVariable gl_InstanceID
+syn keyword glslBuiltinVariable gl_InvocationID
+syn keyword glslBuiltinVariable gl_LaunchIDEXT
+syn keyword glslBuiltinVariable gl_LaunchSizeEXT
+syn keyword glslBuiltinVariable gl_Layer
+syn keyword glslBuiltinVariable gl_LightModel
+syn keyword glslBuiltinVariable gl_LightSource
+syn keyword glslBuiltinVariable gl_LocalInvocationID
+syn keyword glslBuiltinVariable gl_LocalInvocationIndex
+syn keyword glslBuiltinVariable gl_ModelViewMatrix
+syn keyword glslBuiltinVariable gl_ModelViewMatrixInverse
+syn keyword glslBuiltinVariable gl_ModelViewMatrixInverseTranspose
+syn keyword glslBuiltinVariable gl_ModelViewMatrixTranspose
+syn keyword glslBuiltinVariable gl_ModelViewProjectionMatrix
+syn keyword glslBuiltinVariable gl_ModelViewProjectionMatrixInverse
+syn keyword glslBuiltinVariable gl_ModelViewProjectionMatrixInverseTranspose
+syn keyword glslBuiltinVariable gl_ModelViewProjectionMatrixTranspose
+syn keyword glslBuiltinVariable gl_MultiTexCoord0
+syn keyword glslBuiltinVariable gl_MultiTexCoord1
+syn keyword glslBuiltinVariable gl_MultiTexCoord2
+syn keyword glslBuiltinVariable gl_MultiTexCoord3
+syn keyword glslBuiltinVariable gl_MultiTexCoord4
+syn keyword glslBuiltinVariable gl_MultiTexCoord5
+syn keyword glslBuiltinVariable gl_MultiTexCoord6
+syn keyword glslBuiltinVariable gl_MultiTexCoord7
+syn keyword glslBuiltinVariable gl_Normal
+syn keyword glslBuiltinVariable gl_NormalMatrix
+syn keyword glslBuiltinVariable gl_NormalScale
+syn keyword glslBuiltinVariable gl_NumSamples
+syn keyword glslBuiltinVariable gl_NumWorkGroups
+syn keyword glslBuiltinVariable gl_ObjectPlaneQ
+syn keyword glslBuiltinVariable gl_ObjectPlaneR
+syn keyword glslBuiltinVariable gl_ObjectPlaneS
+syn keyword glslBuiltinVariable gl_ObjectPlaneT
+syn keyword glslBuiltinVariable gl_ObjectRayDirectionEXT
+syn keyword glslBuiltinVariable gl_ObjectRayOriginEXT
+syn keyword glslBuiltinVariable gl_ObjectToWorld3x4EXT
+syn keyword glslBuiltinVariable gl_ObjectToWorldEXT
+syn keyword glslBuiltinVariable gl_PatchVerticesIn
+syn keyword glslBuiltinVariable gl_Point
+syn keyword glslBuiltinVariable gl_PointCoord
+syn keyword glslBuiltinVariable gl_PointSize
+syn keyword glslBuiltinVariable gl_Position
+syn keyword glslBuiltinVariable gl_PrimitiveID
+syn keyword glslBuiltinVariable gl_PrimitiveID
+syn keyword glslBuiltinVariable gl_PrimitiveIDIn
+syn keyword glslBuiltinVariable gl_ProjectionMatrix
+syn keyword glslBuiltinVariable gl_ProjectionMatrixInverse
+syn keyword glslBuiltinVariable gl_ProjectionMatrixInverseTranspose
+syn keyword glslBuiltinVariable gl_ProjectionMatrixTranspose
+syn keyword glslBuiltinVariable gl_RayTmaxEXT
+syn keyword glslBuiltinVariable gl_RayTminEXT
+syn keyword glslBuiltinVariable gl_SampleID
+syn keyword glslBuiltinVariable gl_SampleMask
+syn keyword glslBuiltinVariable gl_SampleMaskIn
+syn keyword glslBuiltinVariable gl_SamplePosition
+syn keyword glslBuiltinVariable gl_SecondaryColor
+syn keyword glslBuiltinVariable gl_TessCoord
+syn keyword glslBuiltinVariable gl_TessLevelInner
+syn keyword glslBuiltinVariable gl_TessLevelOuter
+syn keyword glslBuiltinVariable gl_TexCoord
+syn keyword glslBuiltinVariable gl_TextureEnvColor
+syn keyword glslBuiltinVariable gl_TextureMatrix
+syn keyword glslBuiltinVariable gl_TextureMatrixInverse
+syn keyword glslBuiltinVariable gl_TextureMatrixInverseTranspose
+syn keyword glslBuiltinVariable gl_TextureMatrixTranspose
+syn keyword glslBuiltinVariable gl_Vertex
+syn keyword glslBuiltinVariable gl_VertexID
+syn keyword glslBuiltinVariable gl_VertexIndex
+syn keyword glslBuiltinVariable gl_ViewportIndex
+syn keyword glslBuiltinVariable gl_WorkGroupID
+syn keyword glslBuiltinVariable gl_WorkGroupSize
+syn keyword glslBuiltinVariable gl_WorldRayDirectionEXT
+syn keyword glslBuiltinVariable gl_WorldRayOriginEXT
+syn keyword glslBuiltinVariable gl_WorldToObject3x4EXT
+syn keyword glslBuiltinVariable gl_WorldToObjectEXT
+syn keyword glslBuiltinVariable gl_in
+syn keyword glslBuiltinVariable gl_out
+
+" Built-in Functions
+syn keyword glslBuiltinFunction EmitStreamVertex
+syn keyword glslBuiltinFunction EmitVertex
+syn keyword glslBuiltinFunction EndPrimitive
+syn keyword glslBuiltinFunction EndStreamPrimitive
+syn keyword glslBuiltinFunction abs
+syn keyword glslBuiltinFunction acos
+syn keyword glslBuiltinFunction acosh
+syn keyword glslBuiltinFunction all
+syn keyword glslBuiltinFunction any
+syn keyword glslBuiltinFunction asin
+syn keyword glslBuiltinFunction asinh
+syn keyword glslBuiltinFunction atan
+syn keyword glslBuiltinFunction atanh
+syn keyword glslBuiltinFunction atomicAdd
+syn keyword glslBuiltinFunction atomicAnd
+syn keyword glslBuiltinFunction atomicCompSwap
+syn keyword glslBuiltinFunction atomicCounter
+syn keyword glslBuiltinFunction atomicCounterDecrement
+syn keyword glslBuiltinFunction atomicCounterIncrement
+syn keyword glslBuiltinFunction atomicExchange
+syn keyword glslBuiltinFunction atomicMax
+syn keyword glslBuiltinFunction atomicMin
+syn keyword glslBuiltinFunction atomicOr
+syn keyword glslBuiltinFunction atomicXor
+syn keyword glslBuiltinFunction barrier
+syn keyword glslBuiltinFunction bitCount
+syn keyword glslBuiltinFunction bitfieldExtract
+syn keyword glslBuiltinFunction bitfieldInsert
+syn keyword glslBuiltinFunction bitfieldReverse
+syn keyword glslBuiltinFunction ceil
+syn keyword glslBuiltinFunction clamp
+syn keyword glslBuiltinFunction cos
+syn keyword glslBuiltinFunction cosh
+syn keyword glslBuiltinFunction cross
+syn keyword glslBuiltinFunction dFdx
+syn keyword glslBuiltinFunction dFdxCoarse
+syn keyword glslBuiltinFunction dFdxFine
+syn keyword glslBuiltinFunction dFdy
+syn keyword glslBuiltinFunction dFdyCoarse
+syn keyword glslBuiltinFunction dFdyFine
+syn keyword glslBuiltinFunction degrees
+syn keyword glslBuiltinFunction determinant
+syn keyword glslBuiltinFunction distance
+syn keyword glslBuiltinFunction dot
+syn keyword glslBuiltinFunction equal
+syn keyword glslBuiltinFunction executeCallableEXT
+syn keyword glslBuiltinFunction exp
+syn keyword glslBuiltinFunction exp2
+syn keyword glslBuiltinFunction faceforward
+syn keyword glslBuiltinFunction findLSB
+syn keyword glslBuiltinFunction findMSB
+syn keyword glslBuiltinFunction floatBitsToInt
+syn keyword glslBuiltinFunction floatBitsToUint
+syn keyword glslBuiltinFunction floor
+syn keyword glslBuiltinFunction fma
+syn keyword glslBuiltinFunction fract
+syn keyword glslBuiltinFunction frexp
+syn keyword glslBuiltinFunction ftransform
+syn keyword glslBuiltinFunction fwidth
+syn keyword glslBuiltinFunction fwidthCoarse
+syn keyword glslBuiltinFunction fwidthFine
+syn keyword glslBuiltinFunction greaterThan
+syn keyword glslBuiltinFunction greaterThanEqual
+syn keyword glslBuiltinFunction groupMemoryBarrier
+syn keyword glslBuiltinFunction ignoreIntersectionEXT
+syn keyword glslBuiltinFunction imageAtomicAdd
+syn keyword glslBuiltinFunction imageAtomicAnd
+syn keyword glslBuiltinFunction imageAtomicCompSwap
+syn keyword glslBuiltinFunction imageAtomicExchange
+syn keyword glslBuiltinFunction imageAtomicMax
+syn keyword glslBuiltinFunction imageAtomicMin
+syn keyword glslBuiltinFunction imageAtomicOr
+syn keyword glslBuiltinFunction imageAtomicXor
+syn keyword glslBuiltinFunction imageLoad
+syn keyword glslBuiltinFunction imageSize
+syn keyword glslBuiltinFunction imageStore
+syn keyword glslBuiltinFunction imulExtended
+syn keyword glslBuiltinFunction intBitsToFloat
+syn keyword glslBuiltinFunction interpolateAtCentroid
+syn keyword glslBuiltinFunction interpolateAtOffset
+syn keyword glslBuiltinFunction interpolateAtSample
+syn keyword glslBuiltinFunction inverse
+syn keyword glslBuiltinFunction inversesqrt
+syn keyword glslBuiltinFunction isinf
+syn keyword glslBuiltinFunction isnan
+syn keyword glslBuiltinFunction ldexp
+syn keyword glslBuiltinFunction length
+syn keyword glslBuiltinFunction lessThan
+syn keyword glslBuiltinFunction lessThanEqual
+syn keyword glslBuiltinFunction log
+syn keyword glslBuiltinFunction log2
+syn keyword glslBuiltinFunction matrixCompMult
+syn keyword glslBuiltinFunction max
+syn keyword glslBuiltinFunction memoryBarrier
+syn keyword glslBuiltinFunction memoryBarrierAtomicCounter
+syn keyword glslBuiltinFunction memoryBarrierBuffer
+syn keyword glslBuiltinFunction memoryBarrierImage
+syn keyword glslBuiltinFunction memoryBarrierShared
+syn keyword glslBuiltinFunction min
+syn keyword glslBuiltinFunction mix
+syn keyword glslBuiltinFunction mod
+syn keyword glslBuiltinFunction modf
+syn keyword glslBuiltinFunction noise1
+syn keyword glslBuiltinFunction noise2
+syn keyword glslBuiltinFunction noise3
+syn keyword glslBuiltinFunction noise4
+syn keyword glslBuiltinFunction normalize
+syn keyword glslBuiltinFunction not
+syn keyword glslBuiltinFunction notEqual
+syn keyword glslBuiltinFunction outerProduct
+syn keyword glslBuiltinFunction packDouble2x32
+syn keyword glslBuiltinFunction packHalf2x16
+syn keyword glslBuiltinFunction packSnorm2x16
+syn keyword glslBuiltinFunction packSnorm4x8
+syn keyword glslBuiltinFunction packUnorm2x16
+syn keyword glslBuiltinFunction packUnorm4x8
+syn keyword glslBuiltinFunction pow
+syn keyword glslBuiltinFunction radians
+syn keyword glslBuiltinFunction rayQueryConfirmIntersectionEXT
+syn keyword glslBuiltinFunction rayQueryGenerateIntersectionEXT
+syn keyword glslBuiltinFunction rayQueryGetIntersectionBarycentricsEXT
+syn keyword glslBuiltinFunction rayQueryGetIntersectionCandidateAABBOpaqueEXT
+syn keyword glslBuiltinFunction rayQueryGetIntersectionFrontFaceEXT
+syn keyword glslBuiltinFunction rayQueryGetIntersectionGeometryIndexEXT
+syn keyword glslBuiltinFunction rayQueryGetIntersectionInstanceCustomIndexEXT
+syn keyword glslBuiltinFunction rayQueryGetIntersectionInstanceIdEXT
+syn keyword glslBuiltinFunction rayQueryGetIntersectionInstanceShaderBindingTableRecordOffsetEXT
+syn keyword glslBuiltinFunction rayQueryGetIntersectionObjectRayDirectionEXT
+syn keyword glslBuiltinFunction rayQueryGetIntersectionObjectRayOriginEXT
+syn keyword glslBuiltinFunction rayQueryGetIntersectionObjectToWorldEXT
+syn keyword glslBuiltinFunction rayQueryGetIntersectionPrimitiveIndexEXT
+syn keyword glslBuiltinFunction rayQueryGetIntersectionTEXT
+syn keyword glslBuiltinFunction rayQueryGetIntersectionTypeEXT
+syn keyword glslBuiltinFunction rayQueryGetIntersectionWorldToObjectEXT
+syn keyword glslBuiltinFunction rayQueryGetRayFlagsEXT
+syn keyword glslBuiltinFunction rayQueryGetRayTMinEXT
+syn keyword glslBuiltinFunction rayQueryGetWorldRayDirectionEXT
+syn keyword glslBuiltinFunction rayQueryGetWorldRayOriginEXT
+syn keyword glslBuiltinFunction rayQueryInitializeEXT
+syn keyword glslBuiltinFunction rayQueryProceedEXT
+syn keyword glslBuiltinFunction rayQueryTerminateEXT
+syn keyword glslBuiltinFunction reflect
+syn keyword glslBuiltinFunction refract
+syn keyword glslBuiltinFunction reportIntersectionEXT
+syn keyword glslBuiltinFunction round
+syn keyword glslBuiltinFunction roundEven
+syn keyword glslBuiltinFunction shadow1D
+syn keyword glslBuiltinFunction shadow1DLod
+syn keyword glslBuiltinFunction shadow1DProj
+syn keyword glslBuiltinFunction shadow1DProjLod
+syn keyword glslBuiltinFunction shadow2D
+syn keyword glslBuiltinFunction shadow2DLod
+syn keyword glslBuiltinFunction shadow2DProj
+syn keyword glslBuiltinFunction shadow2DProjLod
+syn keyword glslBuiltinFunction sign
+syn keyword glslBuiltinFunction sin
+syn keyword glslBuiltinFunction sinh
+syn keyword glslBuiltinFunction smoothstep
+syn keyword glslBuiltinFunction sqrt
+syn keyword glslBuiltinFunction step
+syn keyword glslBuiltinFunction tan
+syn keyword glslBuiltinFunction tanh
+syn keyword glslBuiltinFunction terminateRayEXT
+syn keyword glslBuiltinFunction texelFetch
+syn keyword glslBuiltinFunction texelFetchOffset
+syn keyword glslBuiltinFunction texture
+syn keyword glslBuiltinFunction texture1D
+syn keyword glslBuiltinFunction texture1DLod
+syn keyword glslBuiltinFunction texture1DProj
+syn keyword glslBuiltinFunction texture1DProjLod
+syn keyword glslBuiltinFunction texture2D
+syn keyword glslBuiltinFunction texture2DLod
+syn keyword glslBuiltinFunction texture2DProj
+syn keyword glslBuiltinFunction texture2DProjLod
+syn keyword glslBuiltinFunction texture3D
+syn keyword glslBuiltinFunction texture3DLod
+syn keyword glslBuiltinFunction texture3DProj
+syn keyword glslBuiltinFunction texture3DProjLod
+syn keyword glslBuiltinFunction textureCube
+syn keyword glslBuiltinFunction textureCubeLod
+syn keyword glslBuiltinFunction textureGather
+syn keyword glslBuiltinFunction textureGatherOffset
+syn keyword glslBuiltinFunction textureGatherOffsets
+syn keyword glslBuiltinFunction textureGrad
+syn keyword glslBuiltinFunction textureGradOffset
+syn keyword glslBuiltinFunction textureLod
+syn keyword glslBuiltinFunction textureLodOffset
+syn keyword glslBuiltinFunction textureOffset
+syn keyword glslBuiltinFunction textureProj
+syn keyword glslBuiltinFunction textureProjGrad
+syn keyword glslBuiltinFunction textureProjGradOffset
+syn keyword glslBuiltinFunction textureProjLod
+syn keyword glslBuiltinFunction textureProjLodOffset
+syn keyword glslBuiltinFunction textureProjOffset
+syn keyword glslBuiltinFunction textureQueryLevels
+syn keyword glslBuiltinFunction textureQueryLod
+syn keyword glslBuiltinFunction textureSize
+syn keyword glslBuiltinFunction traceRayEXT
+syn keyword glslBuiltinFunction transpose
+syn keyword glslBuiltinFunction trunc
+syn keyword glslBuiltinFunction uaddCarry
+syn keyword glslBuiltinFunction uintBitsToFloat
+syn keyword glslBuiltinFunction umulExtended
+syn keyword glslBuiltinFunction unpackDouble2x32
+syn keyword glslBuiltinFunction unpackHalf2x16
+syn keyword glslBuiltinFunction unpackSnorm2x16
+syn keyword glslBuiltinFunction unpackSnorm4x8
+syn keyword glslBuiltinFunction unpackUnorm2x16
+syn keyword glslBuiltinFunction unpackUnorm4x8
+syn keyword glslBuiltinFunction usubBorrow
+
+hi def link glslConditional     Conditional
+hi def link glslRepeat          Repeat
+hi def link glslStatement       Statement
+hi def link glslTodo            Todo
+hi def link glslCommentL        glslComment
+hi def link glslCommentStart    glslComment
+hi def link glslComment         Comment
+hi def link glslPreCondit       PreCondit
+hi def link glslDefine          Define
+hi def link glslTokenConcat     glslPreProc
+hi def link glslPredefinedMacro Macro
+hi def link glslPreProc         PreProc
+hi def link glslInclude         Include
+hi def link glslBoolean         Boolean
+hi def link glslDecimalInt      glslInteger
+hi def link glslOctalInt        glslInteger
+hi def link glslHexInt          glslInteger
+hi def link glslInteger         Number
+hi def link glslFloat           Float
+hi def link glslIdentifierPrime glslIdentifier
+hi def link glslIdentifier      Identifier
+hi def link glslStructure       Structure
+hi def link glslType            Type
+hi def link glslQualifier       StorageClass
+hi def link glslBuiltinConstant Constant
+hi def link glslBuiltinFunction Function
+hi def link glslBuiltinVariable Identifier
+hi def link glslSwizzle         Identifier
+
+let b:current_syntax = 'glsl'
diff --git a/runtime/syntax/goaccess.vim b/runtime/syntax/goaccess.vim
new file mode 100644
index 0000000000..4ca8f6d921
--- /dev/null
+++ b/runtime/syntax/goaccess.vim
@@ -0,0 +1,34 @@
+" Vim syntax file
+" Language: GoAccess configuration
+" Maintainer: Adam Monsen <haircut@gmail.com>
+" Last Change: 2024 Aug 1
+" Remark: see https://goaccess.io/man#configuration
+"
+" The GoAccess configuration file syntax is line-separated settings. Settings
+" are space-separated key value pairs. Comments are any line starting with a
+" hash mark.
+" Example: https://github.com/allinurl/goaccess/blob/master/config/goaccess.conf
+"
+" This syntax definition supports todo/fixme highlighting in comments, and
+" special (Keyword) highlighting if a setting's value is 'true' or 'false'.
+"
+" TODO: a value is required, so use extreme highlighting (e.g. bright red
+" background) if a setting is missing a value.
+
+if exists("b:current_syntax")
+  finish
+endif
+
+syn match goaccessSettingName '^[a-z-]\+' nextgroup=goaccessSettingValue
+syn match goaccessSettingValue '\s\+.\+$' contains=goaccessKeyword
+syn match goaccessComment "^#.*$" contains=goaccessTodo,@Spell
+syn keyword goaccessTodo TODO FIXME contained
+syn keyword goaccessKeyword true false contained
+
+hi def link goaccessSettingName Type
+hi def link goaccessSettingValue String
+hi def link goaccessComment Comment
+hi def link goaccessTodo Todo
+hi def link goaccessKeyword Keyword
+
+let b:current_syntax = "goaccess"
diff --git a/runtime/syntax/hare.vim b/runtime/syntax/hare.vim
index 07cf33fb11..4c7ae92486 100644
--- a/runtime/syntax/hare.vim
+++ b/runtime/syntax/hare.vim
@@ -1,119 +1,142 @@
-" PRELUDE {{{1
-" Vim syntax file
-" Language: Hare
-" Maintainer: Amelia Clarke <me@rsaihe.dev>
-" Last Change: 2022-09-21
+" Vim syntax file.
+" Language:    Hare
+" Maintainer:  Amelia Clarke <selene@perilune.dev>
+" Last Change: 2024-05-10
+" Upstream:    https://git.sr.ht/~sircmpwn/hare.vim
 
-if exists("b:current_syntax")
+if exists('b:current_syntax')
   finish
 endif
-let b:current_syntax = "hare"
+syn include @haredoc syntax/haredoc.vim
+let b:current_syntax = 'hare'
 
-" SYNTAX {{{1
+" Syntax {{{1
 syn case match
+syn iskeyword @,48-57,@-@,_
 
-" KEYWORDS {{{2
-syn keyword hareConditional if else match switch
+" Keywords {{{2
+syn keyword hareConditional else if match switch
+syn keyword hareDefine def
+syn keyword hareInclude use
 syn keyword hareKeyword break continue return yield
+syn keyword hareKeyword case
+syn keyword hareKeyword const let
 syn keyword hareKeyword defer
+syn keyword hareKeyword export static
 syn keyword hareKeyword fn
-syn keyword hareKeyword let
-syn keyword hareLabel case
 syn keyword hareOperator as is
 syn keyword hareRepeat for
-syn keyword hareStorageClass const def export nullable static
-syn keyword hareStructure enum struct union
 syn keyword hareTypedef type
 
-" C ABI.
-syn keyword hareKeyword vastart vaarg vaend
-
-" BUILTINS {{{2
-syn keyword hareBuiltin abort
+" Attributes.
+syn keyword hareAttribute @fini @init @test
+syn keyword hareAttribute @offset @packed
+syn keyword hareAttribute @symbol
+syn keyword hareAttribute @threadlocal
+
+" Builtins.
+syn keyword hareBuiltin abort assert
+syn keyword hareBuiltin align len offset
 syn keyword hareBuiltin alloc free
 syn keyword hareBuiltin append delete insert
-syn keyword hareBuiltin assert
-syn keyword hareBuiltin len offset
+syn keyword hareBuiltin vaarg vaend vastart
 
-" TYPES {{{2
+" Types {{{2
 syn keyword hareType bool
-syn keyword hareType char str
+syn keyword hareType done
 syn keyword hareType f32 f64
-syn keyword hareType u8 u16 u32 u64 i8 i16 i32 i64
-syn keyword hareType uint int
-syn keyword hareType rune
+syn keyword hareType i8 i16 i32 i64 int
+syn keyword hareType never
+syn keyword hareType opaque
+syn keyword hareType rune str
+syn keyword hareType u8 u16 u32 u64 uint
 syn keyword hareType uintptr
+syn keyword hareType valist
 syn keyword hareType void
 
-" C ABI.
-syn keyword hareType valist
+" Other types.
+syn keyword hareStorageClass nullable
+syn keyword hareStructure enum struct union
 
-" LITERALS {{{2
-syn keyword hareBoolean true false
-syn keyword hareNull null
-
-" Number literals.
-syn match hareNumber "\v(\.@1<!|\.\.)\zs<\d+([Ee][+-]?\d+)?(z|[iu](8|16|32|64)?)?>" display
-syn match hareNumber "\v(\.@1<!|\.\.)\zs<0b[01]+(z|[iu](8|16|32|64)?)?>" display
-syn match hareNumber "\v(\.@1<!|\.\.)\zs<0o\o+(z|[iu](8|16|32|64)?)?>" display
-syn match hareNumber "\v(\.@1<!|\.\.)\zs<0x\x+(z|[iu](8|16|32|64)?)?>" display
-
-" Floating-point number literals.
-syn match hareFloat "\v<\d+\.\d+([Ee][+-]?\d+)?(f32|f64)?>" display
-syn match hareFloat "\v<\d+([Ee][+-]?\d+)?(f32|f64)>" display
-
-" String and rune literals.
-syn match hareEscape "\\[\\'"0abfnrtv]" contained display
-syn match hareEscape "\v\\(x\x{2}|u\x{4}|U\x{8})" contained display
-syn match hareFormat "\v\{\d*(\%\d*|(:[ 0+-]?\d*(\.\d+)?[Xbox]?))?}" contained display
-syn match hareFormat "\({{\|}}\)" contained display
-syn region hareRune start="'" end="'\|$" skip="\\'" contains=hareEscape display extend
-syn region hareString start=+"+ end=+"\|$+ skip=+\\"+ contains=hareEscape,hareFormat display extend
-syn region hareString start="`" end="`\|$" contains=hareFormat display
-
-" MISCELLANEOUS {{{2
-syn keyword hareTodo FIXME TODO XXX contained
+" Literals {{{2
+syn keyword hareBoolean false true
+syn keyword hareConstant null
 
-" Attributes.
-syn match hareAttribute "@[a-z]*"
+" Integer literals.
+syn match hareNumber '\v<%(0|[1-9]%(_?\d)*)%([Ee]\+?\d+)?%([iu]%(8|16|32|64)?|z)?>' display
+syn match hareNumber '\v<0b[01]%(_?[01])*%([iu]%(8|16|32|64)?|z)?>' display
+syn match hareNumber '\v<0o\o%(_?\o)*%([iu]%(8|16|32|64)?|z)?>' display
+syn match hareNumber '\v<0x\x%(_?\x)*%([iu]%(8|16|32|64)?|z)?>' display
 
-" Blocks.
-syn region hareBlock start="{" end="}" fold transparent
+" Floating-point literals.
+syn match hareFloat '\v<%(0|[1-9]%(_?\d)*)\.\d%(_?\d)*%([Ee][+-]?\d+)?%(f32|f64)?>' display
+syn match hareFloat '\v<%(0|[1-9]%(_?\d)*)%([Ee][+-]?\d+)?%(f32|f64)>' display
+syn match hareFloat '\v<0x\x%(_?\x)*%(\.\x%(_?\x)*)?[Pp][+-]?\d+%(f32|f64)?>' display
+
+" Rune and string literals.
+syn region hareRune start="'" skip="\\'" end="'" contains=hareEscape
+syn region hareString start='"' skip='\\"' end='"' contains=hareEscape,hareFormat
+syn region hareString start='`' end='`' contains=hareFormat
+
+" Escape sequences.
+syn match hareEscape '\\[0abfnrtv\\'"]' contained
+syn match hareEscape '\v\\%(x\x{2}|u\x{4}|U\x{8})' contained display
+
+" Format sequences.
+syn match hareFormat '\v\{\d*%(:%(\.?\d+|[ +\-=Xbefgox]|F[.2ESUs]|_%(.|\\%([0abfnrtv\\'"]|x\x{2}|u\x{4}|U\x{8})))*)?}' contained contains=hareEscape display
+syn match hareFormat '{\d*%\d*}' contained display
+syn match hareFormat '{{\|}}' contained display
+
+" Miscellaneous {{{2
 
 " Comments.
-syn region hareComment start="//" end="$" contains=hareCommentDoc,hareTodo,@Spell display keepend
-syn region hareCommentDoc start="\[\[" end="]]\|\ze\_s" contained display
+syn region hareComment start='//' end='$' contains=hareTodo,@haredoc,@Spell display
+syn keyword hareTodo FIXME TODO XXX contained
+
+" Identifiers.
+syn match hareDelimiter '::' display
+syn match hareName '\<\h\w*\>' nextgroup=@harePostfix skipempty skipwhite transparent
 
-" The size keyword can be either a builtin or a type.
-syn match hareBuiltin "\v<size>\ze(\_s*//.*\_$)*\_s*\(" contains=hareComment
-syn match hareType "\v<size>((\_s*//.*\_$)*\_s*\()@!" contains=hareComment
+" Labels.
+syn match hareLabel ':\h\w*\>' display
 
-" Trailing whitespace.
-syn match hareSpaceError "\v\s+$" display excludenl
-syn match hareSpaceError "\v\zs +\ze\t" display
+" Match `size` as a type unless it is followed by an open paren.
+syn match hareType '\<size\>' display
+syn match hareBuiltin '\<size\ze(' display
 
-" Use statement.
-syn region hareUse start="\v^\s*\zsuse>" end=";" contains=hareComment display
+" Postfix expressions.
+syn cluster harePostfix contains=hareErrorTest,hareField,hareIndex,hareParens
+syn match hareErrorTest '!=\@!' contained nextgroup=@harePostfix skipempty skipwhite
+syn match hareErrorTest '?' nextgroup=@harePostfix skipempty skipwhite
+syn match hareField '\.\w*\>'hs=s+1 contained contains=hareNumber nextgroup=@harePostfix skipempty skipwhite
+syn region hareIndex start='\[' end=']' contained nextgroup=@harePostfix skipempty skipwhite transparent
+syn region hareParens start='(' end=')' nextgroup=@harePostfix skipempty skipwhite transparent
 
-syn match hareErrorAssertion "\v(^([^/]|//@!)*\)\_s*)@<=!\=@!"
-syn match hareQuestionMark "?"
+" Whitespace errors.
+syn match hareSpaceError '^ \+\ze\t' display
+syn match hareSpaceError excludenl '\s\+$' containedin=ALL display
 
-" DEFAULT HIGHLIGHTING {{{1
-hi def link hareAttribute Keyword
+" Folding {{{3
+syn region hareBlock start='{' end='}' fold transparent
+
+" Default highlighting {{{1
+hi def link hareAttribute PreProc
 hi def link hareBoolean Boolean
-hi def link hareBuiltin Function
+hi def link hareBuiltin Operator
 hi def link hareComment Comment
-hi def link hareCommentDoc SpecialComment
 hi def link hareConditional Conditional
+hi def link hareConstant Constant
+hi def link hareDefine Define
+hi def link hareDelimiter Delimiter
+hi def link hareErrorTest Special
 hi def link hareEscape SpecialChar
 hi def link hareFloat Float
 hi def link hareFormat SpecialChar
+hi def link hareInclude Include
 hi def link hareKeyword Keyword
-hi def link hareLabel Label
-hi def link hareNull Constant
+hi def link hareLabel Special
 hi def link hareNumber Number
 hi def link hareOperator Operator
-hi def link hareQuestionMark Special
 hi def link hareRepeat Repeat
 hi def link hareRune Character
 hi def link hareStorageClass StorageClass
@@ -122,12 +145,13 @@ hi def link hareStructure Structure
 hi def link hareTodo Todo
 hi def link hareType Type
 hi def link hareTypedef Typedef
-hi def link hareUse PreProc
 
-hi def link hareSpaceError Error
-autocmd InsertEnter * hi link hareSpaceError NONE
-autocmd InsertLeave * hi link hareSpaceError Error
+" Highlight embedded haredoc references.
+hi! def link haredocRefValid SpecialComment
 
-hi def hareErrorAssertion ctermfg=red cterm=bold guifg=red gui=bold
+" Highlight whitespace errors by default.
+if get(g:, 'hare_space_error', 1)
+  hi def link hareSpaceError Error
+endif
 
-" vim: tabstop=8 shiftwidth=2 expandtab
+" vim: et sts=2 sw=2 ts=8
diff --git a/runtime/syntax/haredoc.vim b/runtime/syntax/haredoc.vim
new file mode 100644
index 0000000000..09c99c1d56
--- /dev/null
+++ b/runtime/syntax/haredoc.vim
@@ -0,0 +1,32 @@
+" Vim syntax file.
+" Language:    Haredoc (Hare documentation format)
+" Maintainer:  Amelia Clarke <selene@perilune.dev>
+" Last Change: 2024-05-10
+" Upstream:    https://git.sr.ht/~selene/hare.vim
+
+if exists('b:current_syntax')
+  finish
+endif
+let b:current_syntax = 'haredoc'
+
+" Syntax {{{1
+syn case match
+syn iskeyword @,48-57,_
+
+" Code samples.
+syn region haredocCodeSample excludenl start='\t\zs' end='$' contains=@NoSpell display
+
+" References to other declarations and modules.
+syn region haredocRef start='\[\[' end=']]' contains=haredocRefValid,@NoSpell display keepend oneline
+syn match haredocRefValid '\v\[\[\h\w*%(::\h\w*)*%(::)?]]' contained contains=@NoSpell display
+
+" Miscellaneous.
+syn keyword haredocTodo FIXME TODO XXX
+
+" Default highlighting {{{1
+hi def link haredocCodeSample Comment
+hi def link haredocRef Error
+hi def link haredocRefValid Special
+hi def link haredocTodo Todo
+
+" vim: et sts=2 sw=2 ts=8
diff --git a/runtime/syntax/hcl.vim b/runtime/syntax/hcl.vim
new file mode 100644
index 0000000000..5e9349ab38
--- /dev/null
+++ b/runtime/syntax/hcl.vim
@@ -0,0 +1,66 @@
+" Vim syntax file
+" Language:    HCL
+" Maintainer:  Gregory Anders
+" Upstream:    https://github.com/hashivim/vim-terraform
+" Last Change: 2024-09-03
+
+if exists('b:current_syntax')
+  finish
+endif
+
+syn iskeyword a-z,A-Z,48-57,_,-
+
+syn case match
+
+" A block is introduced by a type, some number of labels - which are either
+" strings or identifiers - and an opening curly brace.  Match the type.
+syn match hclBlockType /^\s*\zs\K\k*\ze\s\+\(\("\K\k*"\|\K\k*\)\s\+\)*{/
+
+" An attribute name is an identifier followed by an equals sign.
+syn match hclAttributeAssignment /\(\K\k*\.\)*\K\k*\s\+=\s/ contains=hclAttributeName
+syn match hclAttributeName /\<\K\k*\>/ contained
+
+syn keyword hclValueBool true false
+
+syn keyword hclTodo         contained TODO FIXME XXX BUG
+syn region  hclComment      start="/\*" end="\*/" contains=hclTodo,@Spell
+syn region  hclComment      start="#" end="$" contains=hclTodo,@Spell
+syn region  hclComment      start="//" end="$" contains=hclTodo,@Spell
+
+""" misc.
+syn match hclValueDec      "\<[0-9]\+\([kKmMgG]b\?\)\?\>"
+syn match hclValueHexaDec  "\<0x[0-9a-f]\+\([kKmMgG]b\?\)\?\>"
+syn match hclBraces        "[\[\]]"
+
+""" skip \" and \\ in strings.
+syn region hclValueString   start=/"/ skip=/\\\\\|\\"/ end=/"/ contains=hclStringInterp
+syn region hclStringInterp  matchgroup=hclBraces start=/\(^\|[^$]\)\$\zs{/ end=/}/ contained contains=ALLBUT,hclAttributeName
+syn region hclHereDocText   start=/<<-\?\z([a-z0-9A-Z]\+\)/ end=/^\s*\z1/ contains=hclStringInterp
+
+"" Functions.
+syn match hclFunction "[a-z0-9]\+(\@="
+
+""" HCL2
+syn keyword hclRepeat         for in
+syn keyword hclConditional    if
+syn keyword hclValueNull      null
+
+" enable block folding
+syn region hclBlockBody matchgroup=hclBraces start="{" end="}" fold transparent
+
+hi def link hclComment           Comment
+hi def link hclTodo              Todo
+hi def link hclBraces            Delimiter
+hi def link hclAttributeName     Identifier
+hi def link hclBlockType         Type
+hi def link hclValueBool         Boolean
+hi def link hclValueDec          Number
+hi def link hclValueHexaDec      Number
+hi def link hclValueString       String
+hi def link hclHereDocText       String
+hi def link hclFunction          Function
+hi def link hclRepeat            Repeat
+hi def link hclConditional       Conditional
+hi def link hclValueNull         Constant
+
+let b:current_syntax = 'hcl'
diff --git a/runtime/syntax/help.vim b/runtime/syntax/help.vim
index fced5e7dd1..fd128bb0b5 100644
--- a/runtime/syntax/help.vim
+++ b/runtime/syntax/help.vim
@@ -1,7 +1,7 @@
 " Vim syntax file
 " Language:	Vim help file
 " Maintainer:	The Vim Project <https://github.com/vim/vim>
-" Last Change:	2023 Aug 10
+" Last Change:	2024 Oct 05
 " Former Maintainer:	Bram Moolenaar <Bram@vim.org>
 
 " Quit when a (custom) syntax file was already loaded
@@ -15,7 +15,7 @@ set cpo&vim
 syn match helpHeadline		"^[A-Z.][-A-Z0-9 .,()_']*?\=\ze\(\s\+\*\|$\)"
 syn match helpSectionDelim	"^===.*===$"
 syn match helpSectionDelim	"^---.*--$"
-" Neovim: support language annotation in codeblocks
+" Nvim: support language annotation in codeblocks
 if has("conceal")
   syn region helpExample	matchgroup=helpIgnore start=" >[a-z0-9]*$" start="^>[a-z0-9]*$" end="^[^ \t]"me=e-1 end="^<" concealends
 else
@@ -60,10 +60,14 @@ syn match helpSpecial		"\<N\.\s"me=e-2
 syn match helpSpecial		"(N\>"ms=s+1
 
 syn match helpSpecial		"\[N]"
-" avoid highlighting N  N in help.txt
+" avoid highlighting N  N in quickref.txt
 syn match helpSpecial		"N  N"he=s+1
 syn match helpSpecial		"Nth"me=e-2
 syn match helpSpecial		"N-1"me=e-2
+" highlighting N of cinoptions-values in indent.txt
+syn match helpSpecial		"^\t-\?\zsNs\?\s"me=s+1
+" highlighting N of cinoptions-values in indent.txt
+syn match helpSpecial		"^\t[>enf{}^L:=lbghNEpti+cC/(uUwWkmMjJ)*#P]N\s"ms=s+2,me=e-1
 syn match helpSpecial		"{[-_a-zA-Z0-9'"*+/:%#=[\]<>.,]\+}"
 syn match helpSpecial		"\s\[[-a-z^A-Z0-9_]\{2,}]"ms=s+1
 syn match helpSpecial		"<[-a-zA-Z0-9_]\+>"
diff --git a/runtime/syntax/hollywood.vim b/runtime/syntax/hollywood.vim
index 7846d5230f..16df9fa736 100644
--- a/runtime/syntax/hollywood.vim
+++ b/runtime/syntax/hollywood.vim
@@ -2,7 +2,7 @@
 " Language:     Hollywood 10.0
 " Maintainer:   Ola S�der <rolfkopman@gmail.com>
 " First Author: Tom Crecelius <holly@net-eclipse.net>
-" Last Change:  2023 Mar 22
+" Last Change:  2024 Jun 20
 " Highlighting Issues:
 " Depending on your colour schema, Strings or Comments might be highlighted in
 " a way, you don't like. If so, try one of the following settings after
@@ -30,7 +30,7 @@ let s:cpo_save = &cpo
 set cpo&vim
 
 if !exists("hw_version")
-  let hw_version = 9
+  let hw_version = 10
   let hw_subversion = 0
 elseif !exists("hw_subversion")
   let hw_subversion = 0
@@ -54,9 +54,9 @@ syn match  hwError "\<\%(If\|End\|Else\|ElseIf\|Then\|Until\|In\|EndIf\|EndSwitc
 syn region hwFunctionBlock transparent matchgroup=hwFunction start="\<Function\>" end="\<EndFunction\>" contains=ALLBUT,hwTodo,hwSpecial,hwElseIf,hwElse,hwIn,hwStep,hwFallThrough,hwLineStatement
 
 " If .. Then
-syn region hwIfThen transparent matchgroup=hwCond start="\<If\>" end="\<Then\>\{-}"me=e-4 skipwhite skipempty
+syn region hwIfThen transparent matchgroup=hwCond start="\<If\>" end="\<Then\>\{-}"me=e-4 oneline skipwhite skipempty
 " Then ... Else
-syn region hwThenElse transparent matchgroup=hwCond start="\<Then\>" end="$" end="\<Else\>" contains=ALLBUT,hwTodo,hwSpecial,hwIn,hwStep,hwLineStatement,hwIfEndIf,hwElseEndif,hwIfThen,hwThenElse skipwhite skipempty
+syn region hwThenElse transparent matchgroup=hwCond start="\<Then\>" end="$" end="\<Else\>" contains=hwFunction,hwUserFunction,hwElseIf,hwStatement,hwConstant containedin=hwIfThen oneline skipwhite skipempty
 
 " If .. EndIf
 syn region hwIfEndIf transparent matchgroup=hwCond start="\<If\>\(\(.\{-}Then.\{-}\)\@!\)" end="\<EndIf\>" contains=ALLBUT,hwTodo,hwSpecial,hwIn,hwStep,hwLineStatement skipwhite skipempty
@@ -98,6 +98,12 @@ syn region hwForTo transparent matchgroup=hwRepeat start="\<For\>" end="\<To\>"m
 " To .. Next
 syn region hwToNext transparent matchgroup=hwRepeat start="\<To\>" end="\<Next\>"   contains=ALLBUT,hwTodo,hwSpecial,hwElseIf,hwElse,hwIn,hwLineStatement skipwhite skipempty
 
+" For .. In
+syn region hwForIn transparent matchgroup=hwRepeat start="\<For\>\(\(.\{-}To.\{-}\)\@!\)" end="\<In\>"me=e-2, skipwhite skipempty nextgroup=hwInNext
+
+" In .. Next
+syn region hwInNext transparent matchgroup=hwRepeat start="\<In\>" end="\<Next\>"   contains=ALLBUT,hwTodo,hwSpecial,hwElseIf,hwElse,hwLineStatement skipwhite skipempty
+
 syn keyword hwStep contained Step
 syn keyword hwIn contained In
 
@@ -116,7 +122,7 @@ syn match hwConstant "#\<\%(ACTIVEWINDOW\|ADF_ANIM\|ADF_FX\|ADF_MOVEOBJECT\|ALL\
 syn keyword hwFunction Abs ACos ActivateDisplay Add AddArcToPath AddBoxToPath AddCircleToPath AddEllipseToPath AddFontPath AddIconImage AddMove AddStr AddTab AddTextToPath AllocConsoleColor AllocMem AllocMemFromPointer AllocMemFromVirtualFile AppendPath ApplyPatch Arc ArcDistortBrush ARGB ArrayToStr Asc ASin Assert AsyncDrawFrame ATan ATan2 BarrelDistortBrush Base64Str Beep BeepConsole BeginAnimStream BeginDoubleBuffer BeginRefresh BGPicToBrush BinStr BitClear BitComplement BitSet BitTest BitXor Blue BlurBrush Box BreakEventHandler BreakWhileMouseOn BrushToBGPic BrushToGray BrushToMonochrome BrushToPenArray BrushToRGBArray ByteAsc ByteChr ByteLen ByteOffset ByteStrStr ByteVal CallJavaMethod CancelAsyncDraw CancelAsyncOperation CanonizePath Cast Ceil ChangeApplicationIcon ChangeBrushTransparency ChangeDirectory ChangeDisplayMode ChangeDisplaySize ChangeInterval CharcoalBrush CharOffset CharWidth CheckEvent CheckEvents Chr Circle ClearClipboard ClearConsole ClearConsoleStyle ClearEvents ClearInterval ClearMove ClearObjectData ClearPath ClearScreen ClearSerialQueue ClearTimeout CloseAmigaGuide CloseAnim CloseAudio CloseCatalog CloseConnection CloseConsole CloseDirectory CloseDisplay CloseFile CloseFont CloseMusic ClosePath CloseResourceMonitor CloseSerialPort CloseServer CloseUDPObject CloseVideo Cls CollectGarbage Collision ColorRequest CompareDates CompareStr CompressFile Concat ConfigureJoystick ConsolePrint ConsolePrintChr ConsolePrintNR ConsolePrompt ContinueAsyncOperation ContrastBrush ContrastPalette ConvertStr ConvertToBrush CopyAnim CopyBGPic CopyBrush CopyConsoleWindow CopyFile CopyLayer CopyMem CopyObjectData CopyPalette CopyPath CopyPens CopySample CopySprite CopyTable CopyTextObject Cos CountDirectoryEntries CountJoysticks CountStr CRC32 CRC32Str CreateAnim CreateBGPic CreateBorderBrush CreateBrush CreateButton CreateClipRegion CreateConsoleWindow CreateCoroutine CreateDisplay CreateFont CreateGradientBGPic CreateGradientBrush CreateIcon CreateKeyDown CreateLayer CreateList CreateMenu CreateMusic CreatePalette CreatePointer CreatePort CreateRainbowBGPic CreateRexxPort CreateSample CreateServer CreateShadowBrush CreateShortcut CreateSprite CreateTextObject CreateTexturedBGPic CreateTexturedBrush CreateUDPObject CropBrush CtrlCQuit CurveTo CyclePalette DateToTimestamp DateToUTC DebugOutput DebugPrint DebugPrintNR DebugPrompt DebugStr DebugVal DecomposeConsoleChr DecompressFile DecreasePointer DefineVirtualFile DefineVirtualFileFromString Deg DeleteAlphaChannel DeleteButton DeleteConsoleChr DeleteConsoleLine DeleteFile DeleteMask DeletePrefs DeselectMenuItem DeserializeTable DirectoryItems DisableAdvancedConsole DisableButton DisableEvent DisableEventHandler DisableLayers DisableLineHook DisableMenuItem DisablePlugin DisablePrecalculation DisableVWait DisplayAnimFrame DisplayBGPic DisplayBGPicPart DisplayBGPicPartFX DisplayBrush DisplayBrushFX DisplayBrushPart DisplaySprite DisplayTextObject DisplayTextObjectFX DisplayTransitionFX DisplayVideoFrame Div DoMove DownloadFile DrawConsoleBorder DrawConsoleBox DrawConsoleHLine DrawConsoleVLine DrawPath DumpButtons DumpLayers DumpMem DumpVideo DumpVideoTime EdgeBrush Ellipse EmbossBrush EmptyStr EnableAdvancedConsole EnableButton EnableEvent EnableEventHandler EnableLayers EnableLineHook EnableMenuItem EnablePlugin EnablePrecalculation EnableVWait End EndDoubleBuffer EndianSwap EndRefresh EndSelect EndsWith Eof EraseConsole Error EscapeQuit Eval Execute Exists ExitOnError Exp ExtendBrush ExtractPalette FileAttributes FileLength FileLines FilePart FilePos FileRequest FileSize FileToString FillMem FillMusicBuffer FindStr FinishAnimStream FinishAsyncDraw FlashConsole Flip FlipBrush FlipSprite FloodFill Floor FlushFile FlushMusicBuffer FlushSerialPort FontRequest ForcePathUse ForceSound ForceVideoDriver ForceVideoMode ForEach ForEachI FormatConsoleLine FormatDate FormatNumber FormatStr Frac FreeAnim FreeBGPic FreeBrush FreeClipRegion FreeConsoleColor FreeConsoleWindow FreeDisplay FreeEventCache FreeGlyphCache FreeIcon FreeLayers FreeMem FreeMenu FreeModule FreePalette FreePath FreePointer FreeSample FreeSprite FreeTextObject FrExp FullPath GammaBrush GammaPalette GCInfo GetAllocConsoleColor GetAnimFrame GetApplicationInfo GetApplicationList GetAsset GetAttribute GetAvailableFonts GetBaudRate GetBestPen GetBrushLink GetBrushPen GetBulletColor GetCatalogString GetChannels GetCharMaps GetClipboard GetCommandLine GetConnectionIP GetConnectionPort GetConnectionProtocol GetConsoleBackground GetConsoleChr GetConsoleColor GetConsoleControlChr GetConsoleCursor GetConsoleOrigin GetConsoleSize GetConsoleStr GetConsoleStyle GetConsoleWindow GetConstant GetCoroutineStatus GetCountryInfo GetCurrentDirectory GetCurrentPoint GetDash GetDataBits GetDate GetDateNum GetDefaultAdapter GetDefaultEncoding GetDefaultLoader GetDirectoryEntry GetDisplayModes GetDTR GetEnv GetErrorName GetEventCode GetFileArgument GetFileAttributes GetFillRule GetFillStyle GetFlowControl GetFontColor GetFontStyle GetFormStyle GetFPSLimit GetFreePen GetFrontScreen GetHostName GetIconProperties GetItem GetKerningPair GetLanguageInfo GetLastError GetLayerAtPos GetLayerGroupMembers GetLayerGroups GetLayerPen GetLayerStyle GetLineCap GetLineJoin GetLineWidth GetLocaleInfo GetLocalInterfaces GetLocalIP GetLocalPort GetLocalProtocol GetMACAddress GetMemoryInfo GetMemPointer GetMemString GetMetaTable GetMiterLimit GetMonitors GetObjectData GetObjects GetObjectType GetPalettePen GetParity GetPathExtents GetPatternPosition GetPen GetPlugins GetProgramDirectory GetProgramInfo GetPubScreens GetRandomColor GetRandomFX GetRawArguments GetRealColor GetRTS GetSampleData GetSerializeMode GetShortcutPath GetSongPosition GetStartDirectory GetStopBits GetSystemCountry GetSystemInfo GetSystemLanguage GetTempFileName GetTime GetTimer GetTimestamp GetTimeZone GetType GetVersion GetVideoFrame GetVolumeInfo GetVolumeName GetWeekday Gosub Goto GrabDesktop Green GroupLayer HasItem HaveConsole HaveFreeChannel HaveItem HaveObject HaveObjectData HavePlugin HaveVolume HexStr HideConsoleCursor HideDisplay HideKeyboard HideLayer HideLayerFX HidePointer HideScreen Hypot IgnoreCase IIf ImageRequest IncreasePointer InitConsoleColor InKeyStr InsertConsoleChr InsertConsoleLine InsertConsoleStr InsertItem InsertLayer InsertSample InsertStr InstallEventHandler Int Intersection InvertAlphaChannel InvertBrush InvertMask InvertPalette IPairs IsAbsolutePath IsAlNum IsAlpha IsAnim IsAnimPlaying IsBrushEmpty IsChannelPlaying IsCntrl IsDigit IsDirectory IsFinite IsGraph IsInf IsKeyDown IsLeftMouse IsLower IsMenuItemDisabled IsMenuItemSelected IsMidMouse IsModule IsMusic IsMusicPlaying IsNan IsNil IsOnline IsPathEmpty IsPicture IsPrint IsPunct IsRightMouse IsSample IsSamplePlaying IsSound IsSpace IsTableEmpty IsUnicode IsUpper IsVideo IsVideoPlaying IsXDigit JoyAxisX JoyAxisY JoyAxisZ JoyButton JoyDir JoyFire Label JoyHat LayerExists LayerGroupExists LayerToBack LayerToFront Ld LdExp LeftMouseQuit LeftStr LegacyControl Limit Line LineTo ListItems ListRequest Ln LoadAnim LoadAnimFrame LoadBGPic LoadBrush LoadIcon LoadModule LoadPalette LoadPlugin LoadPrefs LoadSample LoadSprite Locate Log LowerStr MakeButton MakeConsoleChr MakeDate MakeDirectory MakeHostPath MatchPattern Matrix2D Max MD5 MD5Str MemToTable MergeLayers MidStr Min MixBrush MixRGB MixSample Mod ModifyAnimFrames ModifyButton ModifyKeyDown ModifyLayerFrames ModulateBrush ModulatePalette MonitorDirectory MouseX MouseY MoveAnim MoveBrush MoveConsoleWindow MoveDisplay MoveFile MoveLayer MovePointer MoveSprite MoveTextObject MoveTo Mul NearlyEqual NextDirectoryEntry NextFrame NextItem NormalizePath NPrint OilPaintBrush OpenAmigaGuide OpenAnim OpenAudio OpenCatalog OpenConnection OpenConsole OpenDirectory OpenDisplay OpenFile OpenFont OpenMusic OpenResourceMonitor OpenSerialPort OpenURL OpenVideo Pack PadNum Pairs PaletteToGray ParseDate PathItems PathPart PathRequest PathToBrush PatternFindStr PatternFindStrDirect PatternFindStrShort PatternReplaceStr PauseLayer PauseModule PauseMusic PauseTimer PauseVideo Peek PeekClipboard PenArrayToBrush PerformSelector PermissionRequest PerspectiveDistortBrush Pi PixelateBrush PlayAnim PlayAnimDisk PlayLayer PlayModule PlayMusic PlaySample PlaySubsong PlayVideo Plot Poke PolarDistortBrush PollSerialQueue Polygon PopupMenu Pow Print QuantizeBrush Rad RaiseOnError RasterizeBrush RawDiv RawEqual RawGet RawSet ReadBrushPixel ReadByte ReadBytes ReadChr ReadConsoleKey ReadConsoleStr ReadDirectory ReadFloat ReadFunction ReadInt ReadLine ReadMem ReadPen ReadPixel ReadRegistryKey ReadSerialData ReadShort ReadString ReadTable ReceiveData ReceiveUDPData Red ReduceAlphaChannel RefreshConsole RefreshDisplay RefreshLayer RelCurveTo RelLineTo RelMoveTo RemapBrush RemoveBrushPalette RemoveButton RemoveIconImage RemoveItem RemoveKeyDown RemoveLayer RemoveLayerFX RemoveLayers RemoveSprite RemoveSprites Rename RenderLayer RepeatStr ReplaceColors ReplaceStr ResetKeyStates ResetTabs ResetTimer ResolveHostName ResumeCoroutine ResumeLayer ResumeModule ResumeMusic ResumeTimer ResumeVideo ReverseFindStr ReverseStr RewindDirectory RGB RGBArrayToBrush RightStr Rnd RndF RndStrong Rol Ror RotateBrush RotateLayer RotateTextObject Round Rt Run RunCallback RunRexxScript Sar SaveAnim SaveBrush SaveIcon SavePalette SavePrefs SaveSample SaveSnapshot ScaleAnim ScaleBGPic ScaleBrush ScaleLayer ScaleSprite ScaleTextObject ScrollConsole Seek SeekLayer SeekMusic SeekVideo SelectAlphaChannel SelectAnim SelectBGPic SelectBrush SelectConsoleWindow SelectDisplay SelectLayer SelectMask SelectMenuItem SelectPalette SendApplicationMessage SendData SendMessage SendRexxCommand SendUDPData SepiaToneBrush SerializeTable SetAllocConsoleColor SetAlphaIntensity SetAnimFrameDelay SetAttribute SetBaudRate SetBorderPen SetBrushDepth SetBrushPalette SetBrushPen SetBrushTransparency SetBrushTransparentPen SetBulletColor SetBulletPen SetChannelVolume SetClipboard SetClipRegion SetConsoleBackground SetConsoleColor SetConsoleCursor SetConsoleOptions SetConsoleStyle SetConsoleTitle SetCycleTable SetDash SetDataBits SetDefaultAdapter SetDefaultEncoding SetDefaultLoader SetDepth SetDisplayAttributes SetDitherMode SetDrawPen SetDrawTagsDefault SetDTR SetEnv SetEventTimeout SetFileAttributes SetFileEncoding SetFillRule SetFillStyle SetFlowControl SetFont SetFontColor SetFontStyle SetFormStyle SetFPSLimit SetGradientPalette SetIconProperties SetInterval SetIOMode SetLayerAnchor SetLayerBorder SetLayerDepth SetLayerFilter SetLayerLight SetLayerName SetLayerPalette SetLayerPen SetLayerShadow SetLayerStyle SetLayerTint SetLayerTransparency SetLayerTransparentPen SetLayerVolume SetLayerZPos SetLineCap SetLineJoin SetLineWidth SetListItems SetMargins SetMaskMode SetMasterVolume SetMetaTable SetMiterLimit SetMusicVolume SetNetworkProtocol SetNetworkTimeout SetObjectData SetPalette SetPaletteDepth SetPaletteMode SetPalettePen SetPaletteTransparentPen SetPanning SetParity SetPen SetPitch SetPointer SetRTS SetScreenTitle SetSerializeMode SetSerializeOptions SetShadowPen SetSpriteZPos SetStandardIconImage SetStandardPalette SetStopBits SetSubtitle SetTimeout SetTimerElapse SetTitle SetTransparentPen SetTransparentThreshold SetTrayIcon SetVarType SetVectorEngine SetVideoPosition SetVideoSize SetVideoVolume SetVolume SetWBIcon Sgn SharpenBrush Shl ShowConsoleCursor ShowDisplay ShowKeyboard ShowLayer ShowLayerFX ShowNotification ShowPointer ShowRinghioMessage ShowScreen ShowToast Shr Sin Sleep SolarizeBrush SolarizePalette Sort SplitStr Sqrt StartConsoleColorMode StartPath StartSubPath StartsWith StartTimer StopAnim StopChannel StopLayer StopModule StopMusic StopSample StopTimer StopVideo StringRequest StringToFile StripStr StrLen StrStr StrToArray Sub SwapLayers SwirlBrush SystemRequest TableItems TableToMem Tan TextExtent TextHeight TextOut TextWidth TimerElapsed TimestampToDate TintBrush TintPalette ToHostName ToIP ToNumber ToString TouchConsoleWindow ToUserData TransformBox TransformBrush TransformLayer TransformPoint TransformTextObject TranslateLayer TranslatePath TrimBrush TrimStr UndefineVirtualStringFile Undo UndoFX UngroupLayer UnleftStr UnmidStr Unpack UnrightStr UnsetEnv UploadFile UpperStr Usage UseCarriageReturn UseFont UTCToDate Val ValidateDate ValidateStr Vibrate VWait Wait WaitAnimEnd WaitEvent WaitKeyDown WaitLeftMouse WaitMidMouse WaitMusicEnd WaitPatternPosition WaitRightMouse WaitSampleEnd WaitSongPosition WaitTimer WaterRippleBrush WhileKeyDown WhileMouseDown WhileMouseOn WhileRightMouseDown Wrap WriteAnimFrame WriteBrushPixel WriteByte WriteBytes WriteChr WriteFloat WriteFunction WriteInt WriteLine WriteMem WritePen WriteRegistryKey WriteSerialData WriteShort WriteString WriteTable YieldCoroutine
 
 " user-defined constants
-syn match hwUserConstant "#\<\u\+\>"
+syn match hwUserConstant "#\<\(\u\|_\|-\|\d\)\+\>\$\?"
 " user-defined functions
 syn match hwUserFunction "\<p_\w\{-1,}\>("me=e-1
 
diff --git a/runtime/syntax/html.vim b/runtime/syntax/html.vim
index c975ae8620..ca7c7f1cdd 100644
--- a/runtime/syntax/html.vim
+++ b/runtime/syntax/html.vim
@@ -4,6 +4,7 @@
 " Previous Maintainers: Jorge Maldonado Ventura <jorgesumle@freakspot.net>
 "			Claudio Fleiner <claudio@fleiner.com>
 " Last Change:		2023 Nov 28
+" 2024 Jul 30 by Vim Project: increase syn-sync-minlines to 250
 
 " See :help html.vim for some comments and a description of the options
 
@@ -191,7 +192,7 @@ syn keyword htmlArg contained step title translate typemustmatch
 syn match   htmlArg contained "\<data-\h\%(\w\|[-.]\)*\%(\_s*=\)\@="
 
 " special characters
-syn match htmlSpecialChar "&#\=[0-9A-Za-z]\{1,8};"
+syn match htmlSpecialChar "&#\=[0-9A-Za-z]\{1,32};"
 
 " Comments (the real ones or the old netscape ones)
 if exists("html_wrong_comments")
@@ -320,7 +321,7 @@ if main_syntax == "html"
   syn sync match htmlHighlight groupthere NONE "<[/a-zA-Z]"
   syn sync match htmlHighlight groupthere javaScript "<script"
   syn sync match htmlHighlightSkip "^.*['\"].*$"
-  syn sync minlines=10
+  exe "syn sync minlines=" . get(g:, 'html_minlines', 250)
 endif
 
 " Folding
diff --git a/runtime/syntax/htmlangular.vim b/runtime/syntax/htmlangular.vim
new file mode 100644
index 0000000000..021e61f9b1
--- /dev/null
+++ b/runtime/syntax/htmlangular.vim
@@ -0,0 +1,18 @@
+" Vim syntax file
+" Language: Angular HTML template
+" Maintainer: Dennis van den Berg <dennis@vdberg.dev>
+" Last Change: 2024 Aug 22
+
+" quit when a syntax file was already loaded
+if exists("b:current_syntax")
+  finish
+endif
+
+if !exists("main_syntax")
+  let main_syntax = 'html'
+endif
+
+runtime! syntax/html.vim
+unlet b:current_syntax
+
+let b:current_syntax = "htmlangular"
diff --git a/runtime/syntax/i3config.vim b/runtime/syntax/i3config.vim
index f4d789e418..c95cb879ad 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: 1.2.3
-" Last Change: 2024-05-23
+" Version: 1.2.4
+" Last Change: 2024-05-24
 
 " References:
 " http://i3wm.org/docs/userguide.html#configuring
@@ -67,7 +67,7 @@ syn keyword i3ConfigBindKeyword bindsym bindcode contained skipwhite nextgroup=i
 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 match i3ConfigKeyword /floating_modifier [$A-Z][0-9A-Za-z]*$/ contained contains=i3ConfigVariable,i3ConfigBindModkey
 
 " 4.8 Floating window size
 syn keyword i3ConfigSizeSpecial x contained
diff --git a/runtime/syntax/idlang.vim b/runtime/syntax/idlang.vim
index 14e976ce05..f7bfcb203a 100644
--- a/runtime/syntax/idlang.vim
+++ b/runtime/syntax/idlang.vim
@@ -1,7 +1,8 @@
 " Interactive Data Language syntax file (IDL, too  [:-)]
 " Maintainer: Aleksandar Jelenak <ajelenak AT yahoo.com>
-" Last change: 2011 Apr 11
-" Created by: Hermann Rochholz <Hermann.Rochholz AT gmx.de>
+" Created By: Hermann Rochholz <Hermann.Rochholz AT gmx.de>
+" Last Change: 2011 Apr 11
+"  2024 Sep 10 by Vim Project: update syntax script, #15419
 
 " Remove any old syntax stuff hanging around
 " quit when a syntax file was already loaded
@@ -16,7 +17,7 @@ syn match idlangStatement "^\s*function\s"
 syn keyword idlangStatement return continue mod do break
 syn keyword idlangStatement compile_opt forward_function goto
 syn keyword idlangStatement begin common end of
-syn keyword idlangStatement inherits on_ioerror begin
+syn keyword idlangStatement inherits on_error on_ioerror begin
 
 syn keyword idlangConditional if else then for while case switch
 syn keyword idlangConditional endcase endelse endfor endswitch
@@ -82,7 +83,7 @@ syn keyword idlangRoutine CALL_EXTERNAL CALL_FUNCTION CALL_METHOD
 syn keyword idlangRoutine CALL_PROCEDURE CATCH CD CEIL CHEBYSHEV CHECK_MATH
 syn keyword idlangRoutine CHISQR_CVF CHISQR_PDF CHOLDC CHOLSOL CINDGEN
 syn keyword idlangRoutine CIR_3PNT CLOSE CLUST_WTS CLUSTER COLOR_CONVERT
-syn keyword idlangRoutine COLOR_QUAN COLORMAP_APPLICABLE COMFIT COMMON
+syn keyword idlangRoutine COLOR_QUAN COLORMAP_APPLICABLE COMFIT
 syn keyword idlangRoutine COMPLEX COMPLEXARR COMPLEXROUND
 syn keyword idlangRoutine COMPUTE_MESH_NORMALS COND CONGRID CONJ
 syn keyword idlangRoutine CONSTRAINED_MIN CONTOUR CONVERT_COORD CONVOL
@@ -98,7 +99,7 @@ syn keyword idlangRoutine CW_PALETTE_EDITOR_GET CW_PALETTE_EDITOR_SET
 syn keyword idlangRoutine CW_PDMENU CW_RGBSLIDER CW_TMPL CW_ZOOM DBLARR
 syn keyword idlangRoutine DCINDGEN DCOMPLEX DCOMPLEXARR DEFINE_KEY DEFROI
 syn keyword idlangRoutine DEFSYSV DELETE_SYMBOL DELLOG DELVAR DERIV DERIVSIG
-syn keyword idlangRoutine DETERM DEVICE DFPMIN DIALOG_MESSAGE
+syn keyword idlangRoutine DETERM DEVICE DFPMIN DIAG_MATRIX DIALOG_MESSAGE
 syn keyword idlangRoutine DIALOG_PICKFILE DIALOG_PRINTERSETUP
 syn keyword idlangRoutine DIALOG_PRINTJOB DIALOG_READ_IMAGE
 syn keyword idlangRoutine DIALOG_WRITE_IMAGE DIGITAL_FILTER DILATE DINDGEN
@@ -155,7 +156,7 @@ syn keyword idlangRoutine MPEG_PUT MPEG_SAVE MSG_CAT_CLOSE MSG_CAT_COMPILE
 syn keyword idlangRoutine MSG_CAT_OPEN MULTI N_ELEMENTS N_PARAMS N_TAGS
 syn keyword idlangRoutine NEWTON NORM OBJ_CLASS OBJ_DESTROY OBJ_ISA OBJ_NEW
 syn keyword idlangRoutine OBJ_VALID OBJARR ON_ERROR ON_IOERROR ONLINE_HELP
-syn keyword idlangRoutine OPEN OPENR OPENW OPLOT OPLOTERR P_CORRELATE
+syn keyword idlangRoutine OPEN OPENR OPENW OPENU OPLOT OPLOTERR P_CORRELATE
 syn keyword idlangRoutine PARTICLE_TRACE PCOMP PLOT PLOT_3DBOX PLOT_FIELD
 syn keyword idlangRoutine PLOTERR PLOTS PNT_LINE POINT_LUN POLAR_CONTOUR
 syn keyword idlangRoutine POLAR_SURFACE POLY POLY_2D POLY_AREA POLY_FIT
diff --git a/runtime/syntax/indent.vim b/runtime/syntax/indent.vim
index b2a1a0c85f..921a0a8ad0 100644
--- a/runtime/syntax/indent.vim
+++ b/runtime/syntax/indent.vim
@@ -2,7 +2,7 @@
 " Language:		indent(1) configuration file
 " Maintainer:		Doug Kearns <dougkearns@gmail.com>
 " Previous Maintainer:	Nikolai Weibull <now@bitwi.se>
-" Last Change:		2021 Nov 17
+" Last Change:		2024 Sep 29
 "   indent_is_bsd:      If exists, will change somewhat to match BSD implementation
 "
 " TODO:     is the deny-all (a la lilo.vim nice or no?)...
@@ -34,7 +34,7 @@ endif
 syn match   indentOptions '-\%(bli\|c\%([bl]i\|[dip]\)\=\|di\=\|ip\=\|lc\=\|pp\=i\|sbi\|ts\|-\%(brace-indent\|comment-indentation\|case-brace-indentation\|declaration-comment-column\|continuation-indentation\|case-indentation\|else-endif-column\|line-comments-indentation\|declaration-indentation\|indent-level\|parameter-indentation\|line-length\|comment-line-length\|paren-indentation\|preprocessor-indentation\|struct-brace-indentation\|tab-size\)\)'
                         \ nextgroup=indentNumber skipwhite skipempty
 
-syn match   indentNumber  display contained '\d\+\>'
+syn match   indentNumber  display contained '-\=\d\+\>'
 
 syn match   indentOptions '-T'
                         \ nextgroup=indentIdent skipwhite skipempty
diff --git a/runtime/syntax/java.vim b/runtime/syntax/java.vim
index 9867b147c2..307fc26349 100644
--- a/runtime/syntax/java.vim
+++ b/runtime/syntax/java.vim
@@ -3,18 +3,33 @@
 " 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 May 10
+" Last Change:		2024 Oct 03
 
-" Please check :help java.vim for comments on some of the options available.
+" Please check ":help java.vim" for comments on some of the options
+" available.
 
-" quit when a syntax file was already loaded
-if !exists("main_syntax")
-  if exists("b:current_syntax")
-    finish
+" Do not aggregate syntax items from circular inclusion.
+if exists("b:current_syntax")
+  finish
+endif
+
+if exists("g:main_syntax")
+  " Reject attendant circularity for every :syn-included syntax file,
+  " but ACCEPT FAILURE when "g:main_syntax" is set to "java".
+  if g:main_syntax == 'html'
+    if !exists("g:java_ignore_html")
+      let g:java_ignore_html = 1
+      let s:clear_java_ignore_html = 1
+    endif
+  elseif g:main_syntax == 'markdown'
+    if !exists("g:java_ignore_markdown")
+      let g:java_ignore_markdown = 1
+      let s:clear_java_ignore_markdown = 1
+    endif
   endif
-  " we define it here so that included files can test for it
-  let main_syntax='java'
-  syn region javaFold start="{" end="}" transparent fold
+else
+  " Allow syntax files that include this file test for its inclusion.
+  let g:main_syntax = 'java'
 endif
 
 let s:cpo_save = &cpo
@@ -31,6 +46,10 @@ function! s:ff.RightConstant(x, y) abort
   return a:y
 endfunction
 
+function! s:ff.IsRequestedPreviewFeature(n) abort
+  return exists("g:java_syntax_previews") && index(g:java_syntax_previews, a:n) + 1
+endfunction
+
 if !exists("*s:ReportOnce")
   function s:ReportOnce(message) abort
     echomsg 'syntax/java.vim: ' . a:message
@@ -40,6 +59,28 @@ else
   endfunction
 endif
 
+if exists("g:java_foldtext_show_first_or_second_line")
+  function! s:LazyPrefix(prefix, dashes, count) abort
+    return empty(a:prefix)
+      \ ? printf('+-%s%3d lines: ', a:dashes, a:count)
+      \ : a:prefix
+  endfunction
+
+  function! JavaSyntaxFoldTextExpr() abort
+    " Piggyback on NGETTEXT.
+    let summary = foldtext()
+    return getline(v:foldstart) !~ '/\*\+\s*$'
+      \ ? summary
+      \ : s:LazyPrefix(matchstr(summary, '^+-\+\s*\d\+\s.\{-1,}:\s'),
+			\ v:folddashes,
+			\ (v:foldend - v:foldstart + 1)) .
+	  \ getline(v:foldstart + 1)
+  endfunction
+
+  " E120 for "fdt=s:JavaSyntaxFoldTextExpr()" before v8.2.3900.
+  setlocal foldtext=JavaSyntaxFoldTextExpr()
+endif
+
 " Admit the ASCII dollar sign to keyword characters (JLS-17, §3.8):
 try
   exec 'syntax iskeyword ' . &l:iskeyword . ',$'
@@ -54,7 +95,6 @@ syn match javaError "<<<\|\.\.\|=>\|||=\|&&=\|\*\/"
 
 " use separate name so that it can be deleted in javacc.vim
 syn match   javaError2 "#\|=<"
-hi def link javaError2 javaError
 
 " Keywords (JLS-17, §3.9):
 syn keyword javaExternal	native package
@@ -68,6 +108,13 @@ syn keyword javaTypedef		this super
 syn keyword javaOperator	new instanceof
 syn match   javaOperator	"\<var\>\%(\s*(\)\@!"
 
+if s:ff.IsRequestedPreviewFeature(476)
+  " Module imports can be used in any source file.
+  syn match   javaExternal	"\<import\s\+module\>" contains=javaModuleImport
+  syn keyword javaModuleImport	contained module
+  hi def link javaModuleImport	Statement
+endif
+
 " 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
@@ -76,18 +123,18 @@ syn match   javaOperator	"\<var\>\%(\s*(\)\@!"
 " if necessary, on the line before that (h: \@<=), trying to match
 " neither a method reference nor a qualified method invocation.
 try
-  syn match   javaOperator	"\%(\%(::\|\.\)[[:space:]\n]*\)\@80<!\<yield\>"
+  syn match  javaOperator	"\%(\%(::\|\.\)[[:space:]\n]*\)\@80<!\<yield\>"
   let s:ff.Peek = s:ff.LeftConstant
 catch /\<E59:/
   call s:ReportOnce(v:exception)
-  syn match   javaOperator	"\%(\%(::\|\.\)[[:space:]\n]*\)\@<!\<yield\>"
+  syn match  javaOperator	"\%(\%(::\|\.\)[[:space:]\n]*\)\@<!\<yield\>"
   let s:ff.Peek = s:ff.RightConstant
 endtry
 
 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 strictfp serializable
+syn keyword javaStorageClass	static synchronized transient volatile strictfp
 syn keyword javaExceptions	throw try catch finally
 syn keyword javaAssert		assert
 syn keyword javaMethodDecl	throws
@@ -99,9 +146,10 @@ syn match   javaClassDecl	"\<record\>\%(\s*(\)\@!"
 syn match   javaClassDecl	"^class\>"
 syn match   javaClassDecl	"[^.]\s*\<class\>"ms=s+1
 syn match   javaAnnotation	"@\%(\K\k*\.\)*\K\k*\>"
+syn region  javaAnnotation	transparent matchgroup=javaAnnotationStart start=/@\%(\K\k*\.\)*\K\k*(/ end=/)/ skip=/\/\*.\{-}\*\/\|\/\/.*$/ contains=javaAnnotation,javaParenT,javaBlock,javaString,javaBoolean,javaNumber,javaTypedef,javaComment,javaLineComment
 syn match   javaClassDecl	"@interface\>"
 syn keyword javaBranch		break continue nextgroup=javaUserLabelRef skipwhite
-syn match   javaUserLabelRef	"\k\+" contained
+syn match   javaUserLabelRef	contained "\k\+"
 syn match   javaVarArg		"\.\.\."
 syn keyword javaScopeDecl	public protected private
 syn keyword javaConceptKind	abstract final
@@ -109,15 +157,6 @@ syn match   javaConceptKind	"\<non-sealed\>"
 syn match   javaConceptKind	"\<sealed\>\%(\s*(\)\@!"
 syn match   javaConceptKind	"\<default\>\%(\s*\%(:\|->\)\)\@!"
 
-" 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\>\)\@!'
-lockvar s:module_info_cur_buf
-
 if !(v:version < 704)
   " Request the new regexp engine for [:upper:] and [:lower:].
   let [s:ff.Engine, s:ff.UpperCase, s:ff.LowerCase] = repeat([s:ff.LeftConstant], 3)
@@ -127,17 +166,68 @@ else
   let [s:ff.Engine, s:ff.UpperCase, s:ff.LowerCase] = repeat([s:ff.RightConstant], 3)
 endif
 
-" Java modules (since Java 9, for "module-info.java" file).
-if s:module_info_cur_buf
+if exists("g:java_highlight_signature")
+  let [s:ff.PeekTo, s:ff.PeekFrom, s:ff.GroupArgs] = repeat([s:ff.LeftConstant], 3)
+else
+  let [s:ff.PeekTo, s:ff.PeekFrom, s:ff.GroupArgs] = repeat([s:ff.RightConstant], 3)
+endif
+
+let s:with_html = !exists("g:java_ignore_html")
+let s:with_markdown = !exists("g:java_ignore_markdown")
+lockvar s:with_html s:with_markdown
+
+" Java module declarations (JLS-17, §7.7).
+"
+" 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.
+if fnamemodify(bufname("%"), ":t") =~ '^module-info\>\%(\.class\>\)\@!'
   syn keyword javaModuleStorageClass	module transitive
   syn keyword javaModuleStmt		open requires exports opens uses provides
   syn keyword javaModuleExternal	to with
+  hi def link javaModuleStorageClass	StorageClass
+  hi def link javaModuleStmt		Statement
+  hi def link javaModuleExternal	Include
+
+  if !exists("g:java_ignore_javadoc") && (s:with_html || s:with_markdown) && g:main_syntax != 'jsp'
+    syn match javaDocProvidesTag	contained "@provides\_s\+\S\+" contains=javaDocParam
+    syn match javaDocUsesTag		contained "@uses\_s\+\S\+" contains=javaDocParam
+    hi def link javaDocProvidesTag	Special
+    hi def link javaDocUsesTag		Special
+  endif
+endif
+
+" Fancy parameterised types (JLS-17, §4.5).
+"
+" Note that false positives may elsewhere occur whenever an identifier
+" is butted against a less-than operator.  Cf. (X<Y) and (X < Y).
+if exists("g:java_highlight_generics")
+  syn keyword javaWildcardBound contained extends super
+
+  " Parameterised types are delegated to javaGenerics (s:ctx.gsg) and
+  " are not matched with javaTypeArgument.
+  exec 'syn match javaTypeArgument contained "' . s:ff.Engine('\%#=2', '') . '?\|\%(\<\%(b\%(oolean\|yte\)\|char\|short\|int\|long\|float\|double\)\[\]\|\%(\<\K\k*\>\.\)*\<' . s:ff.UpperCase('[$_[:upper:]]', '[^a-z0-9]') . '\k*\>\)\%(\[\]\)*"'
+
+  for s:ctx in [{'dsg': 'javaDimExpr', 'gsg': 'javaGenerics', 'ghg': 'javaGenericsC1', 'csg': 'javaGenericsX', 'c': ''},
+      \ {'dsg': 'javaDimExprX', 'gsg': 'javaGenericsX', 'ghg': 'javaGenericsC2', 'csg': 'javaGenerics', 'c': ' contained'}]
+    " Consider array creation expressions of reifiable types.
+    exec 'syn region ' . s:ctx.dsg . ' contained transparent matchgroup=' . s:ctx.ghg . ' start="\[" end="\]" nextgroup=' . s:ctx.dsg . ' skipwhite skipnl'
+    exec 'syn region ' . s:ctx.gsg . s:ctx.c . ' transparent matchgroup=' . s:ctx.ghg . ' start=/' . s:ff.Engine('\%#=2', '') . '\%(\<\K\k*\>\.\)*\<' . s:ff.UpperCase('[$_[:upper:]]', '[^a-z0-9]') . '\k*\><\%([[:space:]\n]*\%([?@]\|\<\%(b\%(oolean\|yte\)\|char\|short\|int\|long\|float\|double\)\[\]\|\%(\<\K\k*\>\.\)*\<' . s:ff.UpperCase('[$_[:upper:]]', '[^a-z0-9]') . '\k*\>\)\)\@=/ end=/>/ contains=' . s:ctx.csg . ',javaAnnotation,javaTypeArgument,javaWildcardBound,javaType,@javaClasses nextgroup=' . s:ctx.dsg . ' skipwhite skipnl'
+  endfor
+
+  unlet s:ctx
+  hi def link javaWildcardBound	Question
+  hi def link javaGenericsC1	Function
+  hi def link javaGenericsC2	Type
 endif
 
-if exists("java_highlight_java_lang_ids")
-  let java_highlight_all=1
+if exists("g:java_highlight_java_lang_ids")
+  let g:java_highlight_all = 1
 endif
-if exists("java_highlight_all")  || exists("java_highlight_java")  || exists("java_highlight_java_lang")
+if exists("g:java_highlight_all") || exists("g:java_highlight_java") || exists("g:java_highlight_java_lang")
   " java.lang.*
   "
   " The keywords of javaR_JavaLang, javaC_JavaLang, javaE_JavaLang,
@@ -163,9 +253,15 @@ if exists("java_highlight_all")  || exists("java_highlight_java")  || exists("ja
   exec 'syn match javaC_JavaLang "\%(\<ModuleLayer\.\)\@' . s:ff.Peek('12', '') . '<=\<Controller\>"'
   exec 'syn match javaC_JavaLang "\%(\<Runtime\.\)\@' . s:ff.Peek('8', '') . '<=\<Version\>"'
   exec 'syn match javaC_JavaLang "\%(\<System\.\)\@' . s:ff.Peek('7', '') . '<=\<LoggerFinder\>"'
-  exec 'syn match javaC_JavaLang "\%(\<Enum\.\)\@' . s:ff.Peek('5', '') . '<=\<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 keyword javaC_JavaLang Boolean Character ClassLoader Compiler Double Float Integer Long Math Number Object Process Runtime SecurityManager String StringBuffer Thread ThreadGroup Byte Short Void Package RuntimePermission StrictMath StackTraceElement ProcessBuilder StringBuilder Module ModuleLayer StackWalker Record
   syn match   javaC_JavaLang "\<System\>"	" See javaDebug.
+
+  if !exists("g:java_highlight_generics")
+    " The non-interface parameterised names of java.lang members.
+    exec 'syn match javaC_JavaLang "\%(\<Enum\.\)\@' . s:ff.Peek('5', '') . '<=\<EnumDesc\>"'
+    syn keyword javaC_JavaLang Class InheritableThreadLocal ThreadLocal Enum ClassValue
+  endif
+
   " As of JDK 21, java.lang.Compiler is no more (deprecated in JDK 9).
   syn keyword javaLangDeprecated Compiler
   syn cluster javaClasses add=javaC_JavaLang
@@ -181,55 +277,68 @@ if exists("java_highlight_all")  || exists("java_highlight_java")  || exists("ja
   hi def link javaC_Java javaC_
   hi def link javaE_Java javaE_
   hi def link javaX_Java javaX_
-  hi def link javaX_		     javaExceptions
-  hi def link javaR_		     javaExceptions
-  hi def link javaE_		     javaExceptions
-  hi def link javaC_		     javaConstant
-
-  syn keyword javaLangObject clone equals finalize getClass hashCode
-  syn keyword javaLangObject notify notifyAll toString wait
-  hi def link javaLangObject		     javaConstant
+  hi def link javaX_ javaExceptions
+  hi def link javaR_ javaExceptions
+  hi def link javaE_ javaExceptions
+  hi def link javaC_ javaConstant
+
+  syn keyword javaLangObject getClass notify notifyAll wait
+
+  " Lower the syntax priority of overridable java.lang.Object method
+  " names for zero-width matching (define g:java_highlight_signature
+  " and see their base declarations for java.lang.Object):
+  syn match javaLangObject "\<clone\>"
+  syn match javaLangObject "\<equals\>"
+  syn match javaLangObject "\<finalize\>"
+  syn match javaLangObject "\<hashCode\>"
+  syn match javaLangObject "\<toString\>"
+  hi def link javaLangObject javaConstant
 endif
 
 if filereadable(expand("<sfile>:p:h") . "/javaid.vim")
   source <sfile>:p:h/javaid.vim
 endif
 
-if exists("java_space_errors")
-  if !exists("java_no_trail_space_error")
-    syn match	javaSpaceError	"\s\+$"
+if exists("g:java_space_errors")
+  if !exists("g:java_no_trail_space_error")
+    syn match javaSpaceError "\s\+$"
   endif
-  if !exists("java_no_tab_space_error")
-    syn match	javaSpaceError	" \+\t"me=e-1
+  if !exists("g:java_no_tab_space_error")
+    syn match javaSpaceError " \+\t"me=e-1
   endif
+  hi def link javaSpaceError Error
+endif
+
+exec 'syn match javaUserLabel "^\s*\<\K\k*\>\%(\<default\>\)\@' . s:ff.Peek('7', '') . '<!\s*::\@!"he=e-1'
+
+if s:ff.IsRequestedPreviewFeature(455)
+  syn region  javaLabelRegion	transparent matchgroup=javaLabel start="\<case\>" matchgroup=NONE end=":\|->" contains=javaBoolean,javaNumber,javaCharacter,javaString,javaConstant,@javaClasses,javaGenerics,javaType,javaLabelDefault,javaLabelVarType,javaLabelWhenClause
+else
+  syn region  javaLabelRegion	transparent matchgroup=javaLabel start="\<case\>" matchgroup=NONE end=":\|->" contains=javaLabelCastType,javaLabelNumber,javaCharacter,javaString,javaConstant,@javaClasses,javaGenerics,javaLabelDefault,javaLabelVarType,javaLabelWhenClause
+  syn keyword javaLabelCastType	contained char byte short int
+  syn match   javaLabelNumber	contained "\<0\>[lL]\@!"
+  syn match   javaLabelNumber	contained "\<\%(0\%([xX]\x\%(_*\x\)*\|_*\o\%(_*\o\)*\|[bB][01]\%(_*[01]\)*\)\|[1-9]\%(_*\d\)*\)\>[lL]\@!"
+  hi def link javaLabelCastType	javaType
+  hi def link javaLabelNumber	javaNumber
 endif
 
-exec 'syn match javaUserLabel "^\s*\<\K\k*\>\%(\<default\>\)\@' . s:ff.Peek('7', '') . '<!\s*:"he=e-1'
-syn region  javaLabelRegion	transparent matchgroup=javaLabel start="\<case\>" matchgroup=NONE end=":\|->" contains=javaLabelCastType,javaLabelNumber,javaCharacter,javaString,javaConstant,@javaClasses,javaLabelDefault,javaLabelVarType,javaLabelWhenClause
 syn region  javaLabelRegion	transparent matchgroup=javaLabel start="\<default\>\%(\s*\%(:\|->\)\)\@=" matchgroup=NONE end=":\|->" oneline
 " Consider grouped _default_ _case_ labels, i.e.
 " case null, default ->
 " case null: default:
 syn keyword javaLabelDefault	contained default
 syn keyword javaLabelVarType	contained var
-syn keyword javaLabelCastType	contained char byte short int
 " Allow for the contingency of the enclosing region not being able to
 " _keep_ its _end_, e.g. case ':':.
-syn region  javaLabelWhenClause	contained transparent matchgroup=javaLabel start="\<when\>" matchgroup=NONE end=":"me=e-1 end="->"me=e-2 contains=TOP,javaExternal
-syn match   javaLabelNumber	contained "\<0\>[lL]\@!"
-syn match   javaLabelNumber	contained "\<\%(0\%([xX]\x\%(_*\x\)*\|_*\o\%(_*\o\)*\|[bB][01]\%(_*[01]\)*\)\|[1-9]\%(_*\d\)*\)\>[lL]\@!"
-hi def link javaLabelDefault	javaLabel
-hi def link javaLabelVarType	javaOperator
-hi def link javaLabelNumber	javaNumber
-hi def link javaLabelCastType	javaType
+syn region  javaLabelWhenClause	contained transparent matchgroup=javaLabel start="\<when\>" matchgroup=NONE end=":"me=e-1 end="->"me=e-2 contains=TOP,javaExternal,javaLambdaDef
 
 " Comments
-syn keyword javaTodo		 contained TODO FIXME XXX
+syn keyword javaTodo		contained TODO FIXME XXX
 
-if exists("java_comment_strings")
-  syn region  javaCommentString    contained start=+"+ end=+"+ end=+$+ end=+\*/+me=s-1,he=s-1 contains=javaSpecial,javaCommentStar,javaSpecialChar,@Spell
-  syn region  javaCommentString    contained start=+"""[ \t\x0c\r]*$+hs=e+1 end=+"""+he=s-1 contains=javaSpecial,javaCommentStar,javaSpecialChar,@Spell,javaSpecialError,javaTextBlockError
-  syn region  javaComment2String   contained start=+"+ end=+$\|"+ contains=javaSpecial,javaSpecialChar,@Spell
+if exists("g:java_comment_strings")
+  syn region  javaCommentString	contained start=+"+ end=+"+ end=+$+ end=+\*/+me=s-1,he=s-1 contains=javaSpecial,javaCommentStar,javaSpecialChar,@Spell
+  syn region  javaCommentString	contained start=+"""[ \t\x0c\r]*$+hs=e+1 end=+"""+he=s-1 contains=javaSpecial,javaCommentStar,javaSpecialChar,@Spell,javaSpecialError,javaTextBlockError
+  syn region  javaComment2String contained start=+"+ end=+$\|"+ contains=javaSpecial,javaSpecialChar,@Spell
   syn match   javaCommentCharacter contained "'\\[^']\{1,6\}'" contains=javaSpecialChar
   syn match   javaCommentCharacter contained "'\\''" contains=javaSpecialChar
   syn match   javaCommentCharacter contained "'[^\\]'"
@@ -237,27 +346,65 @@ if exists("java_comment_strings")
   syn cluster javaCommentSpecial2 add=javaComment2String,javaCommentCharacter,javaNumber,javaStrTempl
 endif
 
-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*\*$"
+syn region  javaComment		matchgroup=javaCommentStart start="/\*" end="\*/" contains=@javaCommentSpecial,javaTodo,javaCommentError,javaSpaceError,@Spell fold
+syn match   javaCommentStar	contained "^\s*\*[^/]"me=e-1
+syn match   javaCommentStar	contained "^\s*\*$"
 syn match   javaLineComment	"//.*" contains=@javaCommentSpecial2,javaTodo,javaCommentMarkupTag,javaSpaceError,@Spell
 syn match   javaCommentMarkupTag contained "@\%(end\|highlight\|link\|replace\|start\)\>" nextgroup=javaCommentMarkupTagAttr,javaSpaceError skipwhite
 syn match   javaCommentMarkupTagAttr contained "\<region\>" nextgroup=javaCommentMarkupTagAttr,javaSpaceError skipwhite
-exec 'syn region javaCommentMarkupTagAttr contained transparent matchgroup=htmlArg start=/\<\%(re\%(gex\|gion\|placement\)\|substring\|t\%(arget\|ype\)\)\%(\s*=\)\@=/ matchgroup=htmlString end=/\%(=\s*\)\@' . s:ff.Peek('80', '') . '<=\%("[^"]\+"\|' . "\x27[^\x27]\\+\x27" . '\|\%([.-]\|\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
+exec 'syn region javaCommentMarkupTagAttr contained transparent matchgroup=javaHtmlArg start=/\<\%(re\%(gex\|gion\|placement\)\|substring\|t\%(arget\|ype\)\)\%(\s*=\)\@=/ matchgroup=javaHtmlString end=/\%(=\s*\)\@' . s:ff.Peek('80', '') . '<=\%("[^"]\+"\|' . "\x27[^\x27]\\+\x27" . '\|\%([.-]\|\k\)\+\)/ nextgroup=javaCommentMarkupTagAttr,javaSpaceError skipwhite oneline'
 syn match   javaCommentError contained "/\*"me=e-1 display
-hi def link javaCommentError javaError
-hi def link javaCommentStart javaComment
 
-if !exists("java_ignore_javadoc") && main_syntax != 'jsp'
+if !exists("g:java_ignore_javadoc") && (s:with_html || s:with_markdown) && g:main_syntax != 'jsp'
+  " The overridable "html*" and "markdown*" default links must be
+  " defined _before_ the inclusion of the same default links from
+  " "html.vim" and "markdown.vim".
+  if s:with_html || s:with_markdown
+    hi def link htmlComment		Special
+    hi def link htmlCommentPart		Special
+    hi def link htmlArg			Type
+    hi def link htmlString		String
+  endif
+
+  if s:with_markdown
+    hi def link markdownCode		Special
+    hi def link markdownCodeBlock	Special
+    hi def link markdownCodeDelimiter	Special
+    hi def link markdownLinkDelimiter	Comment
+  endif
+
   syntax case ignore
 
+  " Note that javaDocSeeTag is valid in HTML and Markdown.
+  let s:ff.WithMarkdown = s:ff.RightConstant
+
   " Include HTML syntax coloring for Javadoc comments.
-  syntax include @javaHtml syntax/html.vim
-  unlet b:current_syntax
+  if s:with_html
+    try
+      syntax include @javaHtml syntax/html.vim
+    finally
+      unlet! b:current_syntax
+    endtry
+  endif
+
+  " Include Markdown syntax coloring (v7.2.437) for Javadoc comments.
+  if s:with_markdown
+    try
+      syntax include @javaMarkdown syntax/markdown.vim
+      let s:ff.WithMarkdown = s:ff.LeftConstant
+    catch /\<E48[45]:/
+      call s:ReportOnce(v:exception)
+      unlockvar s:with_markdown
+      let s:with_markdown = 0
+      lockvar s:with_markdown
+      hi clear markdownCode
+      hi clear markdownCodeBlock
+      hi clear markdownCodeDelimiter
+      hi clear markdownLinkDelimiter
+    finally
+      unlet! b:current_syntax
+    endtry
+  endif
 
   " HTML enables spell checking for all text that is not in a syntax
   " item (:syntax spell toplevel); instead, limit spell checking to
@@ -268,100 +415,275 @@ if !exists("java_ignore_javadoc") && main_syntax != 'jsp'
     call s:ReportOnce(v:exception)
   endtry
 
-  syn region javaDocComment	start="/\*\*" end="\*/" keepend contains=javaCommentTitle,@javaHtml,javaDocTags,javaDocSeeTag,javaDocCodeTag,javaDocSnippetTag,javaTodo,javaCommentError,javaSpaceError,@Spell
-  exec 'syn region javaCommentTitle contained matchgroup=javaDocComment start="/\*\*" matchgroup=javaCommentTitle end="\.$" end="\.[ \t\r]\@=" end="\%(^\s*\**\s*\)\@' . s:ff.Peek('80', '') . '<=@"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\%(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
+  if s:with_markdown
+    syn region javaMarkdownComment	start="///" skip="^\s*///.*$" end="^" keepend contains=javaMarkdownCommentTitle,javaMarkdownShortcutLink,@javaMarkdown,@javaDocTags,javaTodo,@Spell nextgroup=javaMarkdownCommentTitle fold
+    syn match javaMarkdownCommentMask	contained "^\s*///"
+    exec 'syn region javaMarkdownCommentTitle contained matchgroup=javaMarkdownComment start="\%(///.*\r\=\n\s*\)\@' . s:ff.Peek('80', '') . '<!///" matchgroup=javaMarkdownCommentTitle end="\.$" end="\.[ \t\r]\@=" end="\n\%(\s*///\s*$\)\@=" end="\%(^\s*///\s*\)\@' . s:ff.Peek('80', '') . '<=@"me=s-2,he=s-1 contains=javaMarkdownShortcutLink,@javaMarkdown,javaMarkdownCommentMask,javaTodo,@Spell,@javaDocTags'
+    exec 'syn region javaMarkdownCommentTitle contained matchgroup=javaMarkdownComment start="\%(///.*\r\=\n\s*\)\@' . s:ff.Peek('80', '') . '<!///\s*\%({@return\>\)\@=" matchgroup=javaMarkdownCommentTitle end="}\%(\s*\.*\)*" contains=javaMarkdownShortcutLink,@javaMarkdown,javaMarkdownCommentMask,javaTodo,@Spell,@javaDocTags,javaTitleSkipBlock'
+    exec 'syn region javaMarkdownCommentTitle contained matchgroup=javaMarkdownComment start="\%(///.*\r\=\n\s*\)\@' . s:ff.Peek('80', '') . '<!///\s*\%({@summary\>\)\@=" matchgroup=javaMarkdownCommentTitle end="}" contains=javaMarkdownShortcutLink,@javaMarkdown,javaMarkdownCommentMask,javaTodo,@Spell,@javaDocTags,javaTitleSkipBlock'
+
+    syn clear markdownId markdownLineStart markdownH1 markdownH2 markdownHeadingRule markdownRule markdownCode markdownCodeBlock markdownIdDeclaration
+    " REDEFINE THE MARKDOWN ITEMS ANCHORED WITH "^", OBSERVING THE
+    " DEFINITION ORDER.
+    syn match markdownLineStart		contained "^\s*///\s*[<@]\@!" contains=@markdownBlock,javaMarkdownCommentTitle,javaMarkdownCommentMask nextgroup=@markdownBlock,htmlSpecialChar
+    " See https://spec.commonmark.org/0.31.2/#setext-headings.
+    syn match markdownH1		contained "^\s*/// \{,3}.\+\r\=\n\s*/// \{,3}=\+\s*$" contains=@markdownInline,markdownHeadingRule,markdownAutomaticLink,javaMarkdownCommentMask
+    syn match markdownH2		contained "^\s*/// \{,3}.\+\r\=\n\s*/// \{,3}-\+\s*$" contains=@markdownInline,markdownHeadingRule,markdownAutomaticLink,javaMarkdownCommentMask
+    " See https://spec.commonmark.org/0.31.2/#atx-headings.
+    syn region markdownH1		contained matchgroup=markdownH1Delimiter start=" \{,3}#\s" end="#*\s*$" keepend contains=@markdownInline,markdownAutomaticLink oneline
+    syn region markdownH2		contained matchgroup=markdownH2Delimiter start=" \{,3}##\s" end="#*\s*$" keepend contains=@markdownInline,markdownAutomaticLink oneline
+    syn match markdownHeadingRule	contained "^\s*/// \{,3}[=-]\+\s*$" contains=javaMarkdownCommentMask
+    " See https://spec.commonmark.org/0.31.2/#thematic-breaks.
+    syn match markdownRule		contained "^\s*/// \{,3}\*\s*\*\%(\s*\*\)\+\s*$" contains=javaMarkdownCommentMask
+    syn match markdownRule		contained "^\s*/// \{,3}_\s*_\%(\s*_\)\+\s*$" contains=javaMarkdownCommentMask
+    syn match markdownRule		contained "^\s*/// \{,3}-\s*-\%(\s*-\)\+\s*$" contains=javaMarkdownCommentMask
+    " See https://spec.commonmark.org/0.31.2/#indented-code-blocks.
+    syn region markdownCodeBlock	contained start="^\s*///\%( \{4,}\|\t\)" end="^\ze\s*///\%(\s*$\| \{,3}\S\)" keepend contains=javaMarkdownCommentMask
+    " See https://spec.commonmark.org/0.31.2/#code-spans.
+    syn region markdownCode		contained matchgroup=markdownCodeDelimiter start="\z(`\+\) \=" end=" \=\z1" keepend contains=markdownLineStart,javaMarkdownCommentMask
+    " See https://spec.commonmark.org/0.31.2/#fenced-code-blocks.
+    syn region markdownCodeBlock	contained start="^\s*/// \{,3}\z(```\+\)\%(.\{-}[^`]`\)\@!" end="^\s*/// \{,3}\z1`*" keepend contains=javaMarkdownCommentMask
+    syn region markdownCodeBlock	contained start="^\s*/// \{,3}\z(\~\~\~\+\)" end="^\s*/// \{,3}\z1\~*" keepend contains=javaMarkdownCommentMask
+    " See https://spec.commonmark.org/0.31.2/#link-reference-definitions.
+    syn region markdownIdDeclaration	contained matchgroup=markdownLinkDelimiter start="^\s*/// \{,3\}!\=\[" end="\]:" keepend contains=javaMarkdownCommentMask nextgroup=markdownUrl oneline skipwhite
+    " See https://spec.commonmark.org/0.31.2/#link-label.
+    syn region markdownId		contained matchgroup=markdownIdDelimiter start="\[\%([\t ]\]\)\@!" end="\]" contains=javaMarkdownSkipBrackets,javaMarkdownCommentMask
+    " Note that escaped brackets can be unbalanced.
+    syn match javaMarkdownSkipBrackets	contained transparent "\\\[\|\\\]"
+    " See https://spec.commonmark.org/0.31.2/#shortcut-reference-link.
+    syn region javaMarkdownShortcutLink	contained matchgroup=markdownLinkTextDelimiter start="!\=\[^\@!\%(\_[^][]*\%(\[\_[^][]*\]\_[^][]*\)*]\%([[(]\)\@!\)\@=" end="\]\%([[(]\)\@!" contains=@markdownInline,markdownLineStart,javaMarkdownSkipBrackets,javaMarkdownCommentMask nextgroup=markdownLink,markdownId skipwhite
+
+    for s:name in ['markdownFootnoteDefinition', 'markdownFootnote']
+      if hlexists(s:name)
+	exec 'syn clear ' . s:name
+      endif
+    endfor
+
+    unlet s:name
+
+    " COMBAK: Footnotes are recognised by "markdown.vim", but are not
+    " in CommonMark.  See https://pandoc.org/MANUAL.html#footnotes.
+""""syn match markdownFootnoteDefinition contained "^\s*///\s*\[^[^\]]\+\]:" contains=javaMarkdownCommentMask
+
+    hi def link javaMarkdownComment	Comment
+    hi def link javaMarkdownCommentMask	javaMarkdownComment
+    hi def link javaMarkdownCommentTitle SpecialComment
+    hi def link javaMarkdownShortcutLink htmlLink
+  endif
+
+  if s:with_html
+    syn region javaDocComment	start="/\*\*" end="\*/" keepend contains=javaCommentTitle,@javaHtml,@javaDocTags,javaTodo,javaCommentError,javaSpaceError,@Spell fold
+    exec 'syn region javaCommentTitle contained matchgroup=javaDocComment start="/\*\*" matchgroup=javaCommentTitle end="\.$" end="\.[ \t\r]\@=" end="\%(^\s*\**\s*\)\@' . s:ff.Peek('80', '') . '<=@"me=s-2,he=s-1 end="\*/"me=s-1,he=s-1 contains=@javaHtml,javaCommentStar,javaTodo,javaCommentError,javaSpaceError,@Spell,@javaDocTags'
+    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,javaTitleSkipBlock
+    syn region javaCommentTitle	contained matchgroup=javaDocComment start="/\*\*\s*\r\=\n\=\s*\**\s*\%({@summary\>\)\@=" matchgroup=javaCommentTitle end="}" contains=@javaHtml,javaCommentStar,javaTodo,javaCommentError,javaSpaceError,@Spell,@javaDocTags,javaTitleSkipBlock
+    hi def link javaDocComment		Comment
+    hi def link javaCommentTitle	SpecialComment
+  endif
+
+  " The members of javaDocTags are sub-grouped according to the Java
+  " version of their introduction, and sub-group members in turn are
+  " arranged in alphabetical order, so that future newer members can
+  " be pre-sorted and appended without disturbing the current member
+  " placement.
+  " Since they only have significance in javaCommentTitle, neither
+  " javaDocSummaryTag nor javaDocReturnTitleTag are defined.
+  syn cluster javaDocTags	contains=javaDocAuthorTag,javaDocDeprecatedTag,javaDocExceptionTag,javaDocParamTag,javaDocReturnTag,javaDocSeeTag,javaDocVersionTag,javaDocSinceTag,javaDocLinkTag,javaDocSerialTag,javaDocSerialDataTag,javaDocSerialFieldTag,javaDocThrowsTag,javaDocDocRootTag,javaDocInheritDocTag,javaDocLinkplainTag,javaDocValueTag,javaDocCodeTag,javaDocLiteralTag,javaDocHiddenTag,javaDocIndexTag,javaDocProvidesTag,javaDocUsesTag,javaDocSystemPropertyTag,javaDocSnippetTag,javaDocSpecTag
+
+  " Anticipate non-standard inline tags in {@return} and {@summary}.
+  syn region javaTitleSkipBlock	contained transparent start="{\%(@\%(return\|summary\)\>\)\@!" end="}"
+  syn match  javaDocDocRootTag	contained "{@docRoot}"
+  syn match  javaDocInheritDocTag contained "{@inheritDoc}"
+  syn region javaIndexSkipBlock	contained transparent start="{\%(@index\>\)\@!" end="}" contains=javaIndexSkipBlock,javaDocIndexTag
+  syn region javaDocIndexTag	contained start="{@index\>" end="}" contains=javaDocIndexTag,javaIndexSkipBlock
+  syn region javaLinkSkipBlock	contained transparent start="{\%(@link\>\)\@!" end="}" contains=javaLinkSkipBlock,javaDocLinkTag
+  syn region javaDocLinkTag	contained start="{@link\>" end="}" contains=javaDocLinkTag,javaLinkSkipBlock
+  syn region javaLinkplainSkipBlock contained transparent start="{\%(@linkplain\>\)\@!" end="}" contains=javaLinkplainSkipBlock,javaDocLinkplainTag
+  syn region javaDocLinkplainTag contained start="{@linkplain\>" end="}" contains=javaDocLinkplainTag,javaLinkplainSkipBlock
+  syn region javaLiteralSkipBlock contained transparent start="{\%(@literal\>\)\@!" end="}" contains=javaLiteralSkipBlock,javaDocLiteralTag
+  syn region javaDocLiteralTag	contained start="{@literal\>" end="}" contains=javaDocLiteralTag,javaLiteralSkipBlock
+  syn region javaSystemPropertySkipBlock contained transparent start="{\%(@systemProperty\>\)\@!" end="}" contains=javaSystemPropertySkipBlock,javaDocSystemPropertyTag
+  syn region javaDocSystemPropertyTag contained start="{@systemProperty\>" end="}" contains=javaDocSystemPropertyTag,javaSystemPropertySkipBlock
+  syn region javaValueSkipBlock	contained transparent start="{\%(@value\>\)\@!" end="}" contains=javaValueSkipBlock,javaDocValueTag
+  syn region javaDocValueTag	contained start="{@value\>" end="}" contains=javaDocValueTag,javaValueSkipBlock
+
+  syn match  javaDocParam	contained "\s\zs\S\+"
+  syn match  javaDocExceptionTag contained "@exception\s\+\S\+" contains=javaDocParam
+  syn match  javaDocParamTag	contained "@param\s\+\S\+" contains=javaDocParam
+  syn match  javaDocSinceTag	contained "@since\s\+\S\+" contains=javaDocParam
+  syn match  javaDocThrowsTag	contained "@throws\s\+\S\+" contains=javaDocParam
+  syn match  javaDocSpecTag	contained "@spec\_s\+\S\+\ze\_s\+\S\+" contains=javaDocParam
+
+  syn match  javaDocAuthorTag	contained "@author\>"
+  syn match  javaDocDeprecatedTag contained "@deprecated\>"
+  syn match  javaDocHiddenTag	contained "@hidden\>"
+  syn match  javaDocReturnTag	contained "@return\>"
+  syn match  javaDocSerialTag	contained "@serial\>"
+  syn match  javaDocSerialDataTag contained "@serialData\>"
+  syn match  javaDocSerialFieldTag contained "@serialField\>"
+  syn match  javaDocVersionTag	contained "@version\>"
+
+  syn match javaDocSeeTag contained "@see\>\s*" nextgroup=javaDocSeeTag1,javaDocSeeTag2,javaDocSeeTag3,javaDocSeeTag4,javaDocSeeTagStar,javaDocSeeTagSlash skipwhite skipempty
+
+  if s:with_html
+    syn match  javaDocSeeTagStar contained "^\s*\*\+\%(\s*{\=@\|/\|$\)\@!" nextgroup=javaDocSeeTag1,javaDocSeeTag2,javaDocSeeTag3,javaDocSeeTag4 skipwhite skipempty
+    hi def link javaDocSeeTagStar javaDocComment
+  endif
+
+  if s:with_markdown
+    syn match  javaDocSeeTagSlash contained "^\s*///\%(\s*{\=@\|$\)\@!" nextgroup=javaDocSeeTag1,javaDocSeeTag2,javaDocSeeTag3,javaDocSeeTag4 skipwhite skipempty
+    hi def link javaDocSeeTagSlash javaMarkdownComment
+  endif
+
+  syn match  javaDocSeeTag1	contained @"\_[^"]\+"@
+  syn match  javaDocSeeTag2	contained @<a\s\+\_.\{-}</a>@ contains=@javaHtml extend
+  exec 'syn match javaDocSeeTag3 contained @[' . s:ff.WithMarkdown('[', '') . '"< \t]\@!\%(\k\|[/.]\)*\%(##\=\k\+\%((\_[^)]*)\)\=\)\=@ nextgroup=javaDocSeeTag3Label skipwhite skipempty'
+  syn match  javaDocSeeTag3Label contained @\k\%(\k\+\s*\)*$@
+
+  " COMBAK: No support for type javaDocSeeTag2 in Markdown.
+""if s:with_markdown
+""  syn match  javaDocSeeTag4	contained @\[.\+\]\s\=\%(\[.\+\]\|(.\+)\)@ contains=@javaMarkdown extend
+""  hi def link javaDocSeeTag4	Special
+""endif
+
   syn region javaCodeSkipBlock	contained transparent start="{\%(@code\>\)\@!" end="}" contains=javaCodeSkipBlock,javaDocCodeTag
   syn region javaDocCodeTag	contained start="{@code\>" end="}" contains=javaDocCodeTag,javaCodeSkipBlock
-  exec 'syn region javaDocSnippetTagAttr contained transparent matchgroup=htmlArg start=/\<\%(class\|file\|id\|lang\|region\)\%(\s*=\)\@=/ matchgroup=htmlString end=/:$/ end=/\%(=\s*\)\@' . s:ff.Peek('80', '') . '<=\%("[^"]\+"\|' . "\x27[^\x27]\\+\x27" . '\|\%([.\\/-]\|\k\)\+\)/ nextgroup=javaDocSnippetTagAttr skipwhite skipnl'
+
+  exec 'syn region javaDocSnippetTagAttr contained transparent matchgroup=javaHtmlArg start=/\<\%(class\|file\|id\|lang\|region\)\%(\s*=\)\@=/ matchgroup=javaHtmlString end=/:$/ end=/\%(=\s*\)\@' . s:ff.Peek('80', '') . '<=\%("[^"]\+"\|' . "\x27[^\x27]\\+\x27" . '\|\%([.\\/-]\|\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
+  hi def link javaDocParam		Function
+
+  hi def link javaDocAuthorTag		Special
+  hi def link javaDocCodeTag		Special
+  hi def link javaDocDeprecatedTag	Special
+  hi def link javaDocDocRootTag		Special
+  hi def link javaDocExceptionTag	Special
+  hi def link javaDocHiddenTag		Special
+  hi def link javaDocIndexTag		Special
+  hi def link javaDocInheritDocTag	Special
+  hi def link javaDocLinkTag		Special
+  hi def link javaDocLinkplainTag	Special
+  hi def link javaDocLiteralTag		Special
+  hi def link javaDocParamTag		Special
+  hi def link javaDocReturnTag		Special
+  hi def link javaDocSeeTag		Special
+  hi def link javaDocSeeTag1		String
+  hi def link javaDocSeeTag2		Special
+  hi def link javaDocSeeTag3		Function
+  hi def link javaDocSerialTag		Special
+  hi def link javaDocSerialDataTag	Special
+  hi def link javaDocSerialFieldTag	Special
+  hi def link javaDocSinceTag		Special
+  hi def link javaDocSnippetTag		Special
+  hi def link javaDocSpecTag		Special
+  hi def link javaDocSystemPropertyTag	Special
+  hi def link javaDocThrowsTag		Special
+  hi def link javaDocValueTag		Special
+  hi def link javaDocVersionTag		Special
 endif
 
 " match the special comment /**/
-syn match   javaComment		 "/\*\*/"
+syn match   javaComment		"/\*\*/"
 
 " Strings and constants
-syn match   javaSpecialError	 contained "\\."
+syn match   javaSpecialError	contained "\\."
 syn match   javaSpecialCharError contained "[^']"
 " Escape Sequences (JLS-17, §3.10.7):
-syn match   javaSpecialChar	 contained "\\\%(u\x\x\x\x\|[0-3]\o\o\|\o\o\=\|[bstnfr"'\\]\)"
+syn match   javaSpecialChar	contained "\\\%(u\x\x\x\x\|[0-3]\o\o\|\o\o\=\|[bstnfr"'\\]\)"
 syn region  javaString		start=+"+ end=+"+ end=+$+ contains=javaSpecialChar,javaSpecialError,@Spell
 syn region  javaString		start=+"""[ \t\x0c\r]*$+hs=e+1 end=+"""+he=s-1 contains=javaSpecialChar,javaSpecialError,javaTextBlockError,@Spell
 syn match   javaTextBlockError	+"""\s*"""+
-syn region  javaStrTemplEmbExp	 contained matchgroup=javaStrTempl start="\\{" end="}" contains=TOP
-exec 'syn region javaStrTempl start=+\%(\.[[:space:]\n]*\)\@' . s:ff.Peek('80', '') . '<="+ end=+"+ contains=javaStrTemplEmbExp,javaSpecialChar,javaSpecialError,@Spell'
-exec 'syn region javaStrTempl start=+\%(\.[[:space:]\n]*\)\@' . s:ff.Peek('80', '') . '<="""[ \t\x0c\r]*$+hs=e+1 end=+"""+he=s-1 contains=javaStrTemplEmbExp,javaSpecialChar,javaSpecialError,javaTextBlockError,@Spell'
-syn match   javaCharacter	 "'[^']*'" contains=javaSpecialChar,javaSpecialCharError
-syn match   javaCharacter	 "'\\''" contains=javaSpecialChar
-syn match   javaCharacter	 "'[^\\]'"
+
+if s:ff.IsRequestedPreviewFeature(430)
+  syn region javaStrTemplEmbExp	contained matchgroup=javaStrTempl start="\\{" end="}" contains=TOP
+  exec 'syn region javaStrTempl start=+\%(\.[[:space:]\n]*\)\@' . s:ff.Peek('80', '') . '<="+ end=+"+ contains=javaStrTemplEmbExp,javaSpecialChar,javaSpecialError,@Spell'
+  exec 'syn region javaStrTempl start=+\%(\.[[:space:]\n]*\)\@' . s:ff.Peek('80', '') . '<="""[ \t\x0c\r]*$+hs=e+1 end=+"""+he=s-1 contains=javaStrTemplEmbExp,javaSpecialChar,javaSpecialError,javaTextBlockError,@Spell'
+  hi def link javaStrTempl	Macro
+endif
+
+syn match   javaCharacter	"'[^']*'" contains=javaSpecialChar,javaSpecialCharError
+syn match   javaCharacter	"'\\''" contains=javaSpecialChar
+syn match   javaCharacter	"'[^\\]'"
 " Integer literals (JLS-17, §3.10.1):
-syn keyword javaNumber		 0 0l 0L
-syn match   javaNumber		 "\<\%(0\%([xX]\x\%(_*\x\)*\|_*\o\%(_*\o\)*\|[bB][01]\%(_*[01]\)*\)\|[1-9]\%(_*\d\)*\)[lL]\=\>"
+syn keyword javaNumber		0 0l 0L
+syn match   javaNumber		"\<\%(0\%([xX]\x\%(_*\x\)*\|_*\o\%(_*\o\)*\|[bB][01]\%(_*[01]\)*\)\|[1-9]\%(_*\d\)*\)[lL]\=\>"
 " Decimal floating-point literals (JLS-17, §3.10.2):
 " Against "\<\d\+\>\.":
-syn match   javaNumber		 "\<\d\%(_*\d\)*\."
-syn match   javaNumber		 "\%(\<\d\%(_*\d\)*\.\%(\d\%(_*\d\)*\)\=\|\.\d\%(_*\d\)*\)\%([eE][-+]\=\d\%(_*\d\)*\)\=[fFdD]\=\>"
-syn match   javaNumber		 "\<\d\%(_*\d\)*[eE][-+]\=\d\%(_*\d\)*[fFdD]\=\>"
-syn match   javaNumber		 "\<\d\%(_*\d\)*\%([eE][-+]\=\d\%(_*\d\)*\)\=[fFdD]\>"
+syn match   javaNumber		"\<\d\%(_*\d\)*\."
+syn match   javaNumber		"\%(\<\d\%(_*\d\)*\.\%(\d\%(_*\d\)*\)\=\|\.\d\%(_*\d\)*\)\%([eE][-+]\=\d\%(_*\d\)*\)\=[fFdD]\=\>"
+syn match   javaNumber		"\<\d\%(_*\d\)*[eE][-+]\=\d\%(_*\d\)*[fFdD]\=\>"
+syn match   javaNumber		"\<\d\%(_*\d\)*\%([eE][-+]\=\d\%(_*\d\)*\)\=[fFdD]\>"
 " Hexadecimal floating-point literals (JLS-17, §3.10.2):
-syn match   javaNumber		 "\<0[xX]\%(\x\%(_*\x\)*\.\=\|\%(\x\%(_*\x\)*\)\=\.\x\%(_*\x\)*\)[pP][-+]\=\d\%(_*\d\)*[fFdD]\=\>"
+syn match   javaNumber		"\<0[xX]\%(\x\%(_*\x\)*\.\=\|\%(\x\%(_*\x\)*\)\=\.\x\%(_*\x\)*\)[pP][-+]\=\d\%(_*\d\)*[fFdD]\=\>"
 
 " Unicode characters
 syn match   javaSpecial "\\u\x\x\x\x"
 
 " 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 exists("g:java_highlight_functions")
+  syn cluster javaFuncParams contains=javaAnnotation,@javaClasses,javaGenerics,javaType,javaVarArg,javaComment,javaLineComment
 
-  if java_highlight_functions =~# '^indent[1-8]\=$'
-    let s:last = java_highlight_functions[-1 :]
-    let s:indent = s:last != 't' ? repeat("\x20", s:last) : "\t"
+  if exists("g:java_highlight_signature")
+    syn cluster javaFuncParams add=javaParamModifier
+    hi def link javaFuncDefStart javaFuncDef
+  else
     syn cluster javaFuncParams add=javaScopeDecl,javaConceptKind,javaStorageClass,javaExternal
+  endif
+
+  if g:java_highlight_functions =~# '^indent[1-8]\=$'
+    let s:last = g:java_highlight_functions[-1 :]
+    let s:indent = s:last != 't' ? repeat("\x20", s:last) : "\t"
     " Try to not match other type members, initialiser blocks, enum
     " constants (JLS-17, §8.9.1), and constructors (JLS-17, §8.1.7):
     " at any _conventional_ indentation, skip over all fields with
     " "[^=]*", all records with "\<record\s", and let the "*Skip*"
     " definitions take care of constructor declarations and enum
-    " constants (with no support for @Foo(value = "bar")).
-    exec 'syn region javaFuncDef start=+^' . s:indent . '\%(<[^>]\+>\+\s\+\|\%(\%(@\%(\K\k*\.\)*\K\k*\>\)\s\+\)\+\)\=\%(\<\K\k*\>\.\)*\K\k*\>[^=]*\%(\<record\)\@' . s:ff.Peek('6', '') . '<!\s\K\k*\s*(+ end=+)+ contains=@javaFuncParams'
+    " constants (with no support for @Foo(value = "bar")).  Also,
+    " reject inlined declarations with "[^{]" for signature.
+    exec 'syn region javaFuncDef ' . s:ff.GroupArgs('transparent matchgroup=javaFuncDefStart', '') . ' start=/' . s:ff.PeekTo('\%(', '') . '^' . s:indent . '\%(<[^>]\+>\+\s\+\|\%(\%(@\%(\K\k*\.\)*\K\k*\>\)\s\+\)\+\)\=\%(\<\K\k*\>\.\)*\K\k*\>[^={]*\%(\<record\)\@' . s:ff.Peek('6', '') . '<!\s' . s:ff.PeekFrom('\)\@' . s:ff.Peek('80', '') . '<=', '') . '\K\k*\s*(/ end=/)/ contains=@javaFuncParams'
     " As long as package-private constructors cannot be matched with
     " javaFuncDef, do not look with javaConstructorSkipDeclarator for
     " them.
-    exec 'syn match javaConstructorSkipDeclarator transparent +^' . s:indent . '\%(\%(@\%(\K\k*\.\)*\K\k*\>\)\s\+\)*p\%(ublic\|rotected\|rivate\)\s\+\%(<[^>]\+>\+\s\+\)\=\K\k*\s*\ze(+ contains=javaAnnotation,javaScopeDecl'
-    exec 'syn match javaEnumSkipArgumentativeConstant transparent +^' . s:indent . '\%(\%(@\%(\K\k*\.\)*\K\k*\>\)\s\+\)*\K\k*\s*\ze(+ contains=javaAnnotation'
+    exec 'syn match javaConstructorSkipDeclarator transparent /^' . s:indent . '\%(\%(@\%(\K\k*\.\)*\K\k*\>\)\s\+\)*p\%(ublic\|rotected\|rivate\)\s\+\%(<[^>]\+>\+\s\+\)\=\K\k*\s*\ze(/ contains=javaAnnotation,javaScopeDecl,javaClassDecl,javaTypedef,javaGenerics'
+    " With a zero-width span for signature applicable on demand to
+    " javaFuncDef, make related adjustments:
+    " (1) Claim all enum constants of a line as a unit.
+    exec 'syn match javaEnumSkipConstant contained transparent /^' . s:indent . '\%(\%(\%(@\%(\K\k*\.\)*\K\k*\>\)\s\+\)*\K\k*\s*\%((.*)\)\=\s*[,;({]\s*\)\+/ contains=@javaEnumConstants'
+    " (2) Define a syntax group for top level enumerations and tell
+    " apart their constants from method declarations.
+    exec 'syn region javaTopEnumDeclaration transparent start=/\%(^\%(\%(@\%(\K\k*\.\)*\K\k*\>\)\s\+\)*\%(p\%(ublic\|rotected\|rivate\)\s\+\)\=\%(strictfp\s\+\)\=\<enum\_s\+\)\@' . s:ff.Peek('80', '') . '<=\K\k*\%(\_s\+implements\_s.\+\)\=\_s*{/ end=/}/ contains=@javaTop,javaEnumSkipConstant'
+    " (3) Define a base variant of javaParenT without using @javaTop
+    " in order to not include javaFuncDef.
+    syn region javaParenE transparent matchgroup=javaParen start="(" end=")" contains=@javaEnumConstants,javaInParen
+    syn region javaParenE transparent matchgroup=javaParen start="\[" end="\]" contains=@javaEnumConstants
+    syn cluster javaEnumConstants contains=TOP,javaTopEnumDeclaration,javaFuncDef,javaParenT
     unlet s:indent s:last
   else
     " 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(/* ... */);
-    exec 'syn region javaFuncDef start=/' . s:ff.Engine('\%#=2', '') . '^\s\+\%(\%(@\%(\K\k*\.\)*\K\k*\>\)\s\+\)*\%(p\%(ublic\|rotected\|rivate\)\s\+\)\=\%(\%(abstract\|default\)\s\+\|\%(\%(final\|\%(native\|strictfp\)\|s\%(tatic\|ynchronized\)\)\s\+\)*\)\=\%(<.*[[:space:]-]\@' . s:ff.Peek('1', '') . '<!>\s\+\)\=\%(void\|\%(b\%(oolean\|yte\)\|char\|short\|int\|long\|float\|double\|\%(\<\K\k*\>\.\)*\<' . s:ff.UpperCase('[$_[:upper:]]', '[^a-z0-9]') . '\k*\>\%(<[^(){}]*[[:space:]-]\@' . s:ff.Peek('1', '') . '<!>\)\=\)\%(\[\]\)*\)\s\+\<' . s:ff.LowerCase('[$_[:lower:]]', '[^A-Z0-9]') . '\k*\>\s*(/ end=/)/ skip=/\/\*.\{-}\*\/\|\/\/.*$/ contains=@javaFuncParams'
+    exec 'syn region javaFuncDef ' . s:ff.GroupArgs('transparent matchgroup=javaFuncDefStart', '') . ' start=/' . s:ff.Engine('\%#=2', '') . s:ff.PeekTo('\%(', '') . '^\s\+\%(\%(@\%(\K\k*\.\)*\K\k*\>\)\s\+\)*\%(p\%(ublic\|rotected\|rivate\)\s\+\)\=\%(\%(abstract\|default\)\s\+\|\%(\%(final\|\%(native\|strictfp\)\|s\%(tatic\|ynchronized\)\)\s\+\)*\)\=\%(<.*[[:space:]-]\@' . s:ff.Peek('1', '') . '<!>\s\+\)\=\%(void\|\%(b\%(oolean\|yte\)\|char\|short\|int\|long\|float\|double\|\%(\<\K\k*\>\.\)*\<' . s:ff.UpperCase('[$_[:upper:]]', '[^a-z0-9]') . '\k*\>\%(<[^(){}]*[[:space:]-]\@' . s:ff.Peek('1', '') . '<!>\)\=\)\%(\[\]\)*\)\s\+' . s:ff.PeekFrom('\)\@' . s:ff.Peek('80', '') . '<=', '') . '\<' . s:ff.LowerCase('[$_[:lower:]]', '[^A-Z0-9]') . '\k*\>\s*(/ end=/)/ skip=/\/\*.\{-}\*\/\|\/\/.*$/ contains=@javaFuncParams'
   endif
-
-  exec 'syn match javaLambdaDef "\<\K\k*\>\%(\<default\>\)\@' . s:ff.Peek('7', '') . '<!\s*->"'
-  syn match javaBraces "[{}]"
 endif
 
-if exists("java_highlight_debug")
+if exists("g:java_highlight_debug")
   " Strings and constants
   syn match   javaDebugSpecial		contained "\\\%(u\x\x\x\x\|[0-3]\o\o\|\o\o\=\|[bstnfr"'\\]\)"
-  syn region  javaDebugString		contained start=+"+  end=+"+  contains=javaDebugSpecial
+  syn region  javaDebugString		contained start=+"+ end=+"+ contains=javaDebugSpecial
   syn region  javaDebugString		contained start=+"""[ \t\x0c\r]*$+hs=e+1 end=+"""+he=s-1 contains=javaDebugSpecial,javaDebugTextBlockError
-  " The highlight groups of java{StrTempl,Debug{,Paren,StrTempl}}\,
-  " share one colour by default. Do not conflate unrelated parens.
-  syn region  javaDebugStrTemplEmbExp	contained matchgroup=javaDebugStrTempl start="\\{" end="}" contains=javaComment,javaLineComment,javaDebug\%(Paren\)\@!.*
-  exec 'syn region javaDebugStrTempl contained start=+\%(\.[[:space:]\n]*\)\@' . s:ff.Peek('80', '') . '<="+ end=+"+ contains=javaDebugStrTemplEmbExp,javaDebugSpecial'
-  exec 'syn region javaDebugStrTempl contained start=+\%(\.[[:space:]\n]*\)\@' . s:ff.Peek('80', '') . '<="""[ \t\x0c\r]*$+hs=e+1 end=+"""+he=s-1 contains=javaDebugStrTemplEmbExp,javaDebugSpecial,javaDebugTextBlockError'
+
+  if s:ff.IsRequestedPreviewFeature(430)
+    " The highlight groups of java{StrTempl,Debug{,Paren,StrTempl}}\,
+    " share one colour by default. Do not conflate unrelated parens.
+    syn region javaDebugStrTemplEmbExp	contained matchgroup=javaDebugStrTempl start="\\{" end="}" contains=javaComment,javaLineComment,javaDebug\%(Paren\)\@!.*
+    exec 'syn region javaDebugStrTempl contained start=+\%(\.[[:space:]\n]*\)\@' . s:ff.Peek('80', '') . '<="+ end=+"+ contains=javaDebugStrTemplEmbExp,javaDebugSpecial'
+    exec 'syn region javaDebugStrTempl contained start=+\%(\.[[:space:]\n]*\)\@' . s:ff.Peek('80', '') . '<="""[ \t\x0c\r]*$+hs=e+1 end=+"""+he=s-1 contains=javaDebugStrTemplEmbExp,javaDebugSpecial,javaDebugTextBlockError'
+    hi def link javaDebugStrTempl	Macro
+  endif
+
   syn match   javaDebugTextBlockError	contained +"""\s*"""+
   syn match   javaDebugCharacter	contained "'[^\\]'"
   syn match   javaDebugSpecialCharacter contained "'\\.'"
@@ -375,7 +697,7 @@ if exists("java_highlight_debug")
   syn match   javaDebugNumber		contained "\<0[xX]\%(\x\%(_*\x\)*\.\=\|\%(\x\%(_*\x\)*\)\=\.\x\%(_*\x\)*\)[pP][-+]\=\d\%(_*\d\)*[fFdD]\=\>"
   syn keyword javaDebugBoolean		contained true false
   syn keyword javaDebugType		contained null this super
-  syn region javaDebugParen  start=+(+ end=+)+ contained contains=javaDebug.*,javaDebugParen
+  syn region  javaDebugParen		contained start=+(+ end=+)+ contains=javaDebug.*,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
@@ -385,53 +707,88 @@ if exists("java_highlight_debug")
 " FIXME: What API do "trace*" belong to?
 " syn match javaDebug "\<trace[SL]\=\s*("me=e-1 contains=javaDebug.* nextgroup=javaDebugParen
 
-  hi def link javaDebug		 Debug
-  hi def link javaDebugString		 DebugString
-  hi def link javaDebugStrTempl		 Macro
-  hi def link javaDebugTextBlockError	 Error
-  hi def link javaDebugType		 DebugType
-  hi def link javaDebugBoolean		 DebugBoolean
-  hi def link javaDebugNumber		 Debug
-  hi def link javaDebugSpecial		 DebugSpecial
-  hi def link javaDebugSpecialCharacter DebugSpecial
-  hi def link javaDebugCharacter	 DebugString
-  hi def link javaDebugParen		 Debug
-
-  hi def link DebugString		 String
-  hi def link DebugSpecial		 Special
-  hi def link DebugBoolean		 Boolean
-  hi def link DebugType		 Type
+  hi def link javaDebug			Debug
+  hi def link javaDebugString		DebugString
+  hi def link javaDebugTextBlockError	Error
+  hi def link javaDebugType		DebugType
+  hi def link javaDebugBoolean		DebugBoolean
+  hi def link javaDebugNumber		Debug
+  hi def link javaDebugSpecial		DebugSpecial
+  hi def link javaDebugSpecialCharacter	DebugSpecial
+  hi def link javaDebugCharacter	DebugString
+  hi def link javaDebugParen		Debug
+
+  hi def link DebugString		String
+  hi def link DebugSpecial		Special
+  hi def link DebugBoolean		Boolean
+  hi def link DebugType			Type
 endif
 
-if exists("java_mark_braces_in_parens_as_errors")
-  syn match javaInParen		 contained "[{}]"
-  hi def link javaInParen	javaError
+" Try not to fold top-level-type bodies under assumption that there is
+" but one such body.
+exec 'syn region javaBlock transparent start="\%(^\|^\S[^:]\+\)\@' . s:ff.Peek('120', '') . '<!{" end="}" fold'
+
+if exists("g:java_mark_braces_in_parens_as_errors")
+  syn match javaInParen contained "[{}]"
+  hi def link javaInParen javaError
 endif
 
 " catch errors caused by wrong parenthesis
-syn region  javaParenT	transparent matchgroup=javaParen  start="(" end=")" contains=@javaTop,javaParenT1
-syn region  javaParenT1 transparent matchgroup=javaParen1 start="(" end=")" contains=@javaTop,javaParenT2 contained
-syn region  javaParenT2 transparent matchgroup=javaParen2 start="(" end=")" contains=@javaTop,javaParenT  contained
-syn match   javaParenError	 ")"
+syn region  javaParenT	transparent matchgroup=javaParen start="(" end=")" contains=@javaTop,javaInParen,javaParenT1
+syn region  javaParenT1 contained transparent matchgroup=javaParen1 start="(" end=")" contains=@javaTop,javaInParen,javaParenT2
+syn region  javaParenT2 contained transparent matchgroup=javaParen2 start="(" end=")" contains=@javaTop,javaInParen,javaParenT
+syn match   javaParenError ")"
 " catch errors caused by wrong square parenthesis
-syn region  javaParenT	transparent matchgroup=javaParen  start="\[" end="\]" contains=@javaTop,javaParenT1
-syn region  javaParenT1 transparent matchgroup=javaParen1 start="\[" end="\]" contains=@javaTop,javaParenT2 contained
-syn region  javaParenT2 transparent matchgroup=javaParen2 start="\[" end="\]" contains=@javaTop,javaParenT  contained
-syn match   javaParenError	 "\]"
-
-hi def link javaParenError	javaError
+syn region  javaParenT	transparent matchgroup=javaParen start="\[" end="\]" contains=@javaTop,javaParenT1
+syn region  javaParenT1 contained transparent matchgroup=javaParen1 start="\[" end="\]" contains=@javaTop,javaParenT2
+syn region  javaParenT2 contained transparent matchgroup=javaParen2 start="\[" end="\]" contains=@javaTop,javaParenT
+syn match   javaParenError "\]"
+
+" Lambda expressions (JLS-17, §15.27) and method reference expressions
+" (JLS-17, §15.13).
+if exists("g:java_highlight_functions")
+  syn match javaMethodRef ":::\@!"
+
+  if exists("g:java_highlight_signature")
+    let s:ff.LambdaDef = s:ff.LeftConstant
+  else
+    let s:ff.LambdaDef = s:ff.RightConstant
+  endif
 
-if exists("java_highlight_functions")
   " Make ()-matching definitions after the parenthesis error catcher.
-  exec 'syn match javaLambdaDef "\k\@' . s:ff.Peek('4', '') . '<!(\%(\k\|[[:space:]<>?\[\]@,.]\)*)\s*->"'
+  "
+  " Note that here and elsewhere a single-line token is used for \z,
+  " with other tokens repeated as necessary, to overcome the lack of
+  " support for multi-line matching with \z.
+  "
+  " Match: ([@A [@B ...] final] var a[, var b, ...]) ->
+  "	| ([@A [@B ...] final] T[<α>][[][]] a[, T b, ...]) ->
+  " There is no recognition of expressions interspersed with comments
+  " or of expressions whose parameterised parameter types are written
+  " across multiple lines.
+  exec 'syn ' . s:ff.LambdaDef('region javaLambdaDef transparent matchgroup=javaLambdaDefStart start=/', 'match javaLambdaDef "') . '\k\@' . s:ff.Peek('4', '') . '<!(' . s:ff.LambdaDef('\%(', '') . '[[:space:]\n]*\%(\%(@\%(\K\k*\.\)*\K\k*\>\%((\_.\{-1,})\)\{-,1}[[:space:]\n]\+\)*\%(final[[:space:]\n]\+\)\=\%(\<\K\k*\>\.\)*\<\K\k*\>\%(<[^(){}]*[[:space:]-]\@' . s:ff.Peek('1', '') . '<!>\)\=\%(\%(\%(\[\]\)\+\|\.\.\.\)\)\=[[:space:]\n]\+\<\K\k*\>\%(\[\]\)*\%(,[[:space:]\n]*\)\=\)\+)[[:space:]\n]*' . s:ff.LambdaDef('\z(->\)\)\@=/ end=/)[[:space:]\n]*\z1/', '->"') . ' contains=javaAnnotation,javaParamModifier,javaLambdaVarType,javaType,@javaClasses,javaGenerics,javaVarArg'
+  " Match: () ->
+  "	| (a[, b, ...]) ->
+  exec 'syn ' . s:ff.LambdaDef('region javaLambdaDef transparent matchgroup=javaLambdaDefStart start=/', 'match javaLambdaDef "') . '\k\@' . s:ff.Peek('4', '') . '<!(' . s:ff.LambdaDef('\%(', '') . '[[:space:]\n]*\%(\<\K\k*\>\%(,[[:space:]\n]*\)\=\)*)[[:space:]\n]*' . s:ff.LambdaDef('\z(->\)\)\@=/ end=/)[[:space:]\n]*\z1/', '->"')
+  " Match: a ->
+  exec 'syn ' . s:ff.LambdaDef('region javaLambdaDef transparent start=/', 'match javaLambdaDef "') . '\<\K\k*\>\%(\<default\>\)\@' . s:ff.Peek('7', '') . '<!' . s:ff.LambdaDef('\%([[:space:]\n]*\z(->\)\)\@=/ matchgroup=javaLambdaDefStart end=/\z1/', '[[:space:]\n]*->"')
+
+  syn keyword javaParamModifier contained final
+  syn keyword javaLambdaVarType contained var
+  hi def link javaParamModifier		javaConceptKind
+  hi def link javaLambdaVarType		javaOperator
+  hi def link javaLambdaDef		javaFuncDef
+  hi def link javaLambdaDefStart	javaFuncDef
+  hi def link javaMethodRef		javaFuncDef
+  hi def link javaFuncDef		Function
 endif
 
 " The @javaTop cluster comprises non-contained Java syntax groups.
 " Note that the syntax file "aidl.vim" relies on its availability.
-syn cluster javaTop contains=TOP,javaDocComment,javaFold,javaParenError,javaParenT
+syn cluster javaTop contains=TOP,javaTopEnumDeclaration
 
-if !exists("java_minlines")
-  let java_minlines = 10
+if !exists("g:java_minlines")
+  let g:java_minlines = 10
 endif
 
 " Note that variations of a /*/ balanced comment, e.g., /*/*/, /*//*/,
@@ -440,17 +797,11 @@ endif
 " 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
+exec "syn sync ccomment javaComment minlines=" . g:java_minlines
 
 " The default highlighting.
-hi def link javaLambdaDef		Function
-hi def link javaFuncDef		Function
 hi def link javaVarArg			Function
-hi def link javaBraces			Function
 hi def link javaBranch			Conditional
-hi def link javaUserLabelRef		javaUserLabel
-hi def link javaLabel			Label
-hi def link javaUserLabel		Label
 hi def link javaConditional		Conditional
 hi def link javaRepeat			Repeat
 hi def link javaExceptions		Exception
@@ -459,60 +810,91 @@ hi def link javaStorageClass		StorageClass
 hi def link javaMethodDecl		javaStorageClass
 hi def link javaClassDecl		javaStorageClass
 hi def link javaScopeDecl		javaStorageClass
-hi def link javaConceptKind		NonText
+hi def link javaConceptKind		javaStorageClass
 
-hi def link javaBoolean		Boolean
-hi def link javaSpecial		Special
+hi def link javaBoolean			Boolean
+hi def link javaSpecial			Special
 hi def link javaSpecialError		Error
 hi def link javaSpecialCharError	Error
 hi def link javaString			String
-hi def link javaStrTempl		Macro
 hi def link javaCharacter		Character
 hi def link javaSpecialChar		SpecialChar
 hi def link javaNumber			Number
 hi def link javaError			Error
+hi def link javaError2			javaError
 hi def link javaTextBlockError		Error
+hi def link javaParenError		javaError
 hi def link javaStatement		Statement
 hi def link javaOperator		Operator
-hi def link javaComment		Comment
-hi def link javaDocComment		Comment
-hi def link javaLineComment		Comment
 hi def link javaConstant		Constant
-hi def link javaTypedef		Typedef
+hi def link javaTypedef			Typedef
 hi def link javaTodo			Todo
 hi def link javaAnnotation		PreProc
+hi def link javaAnnotationStart		javaAnnotation
+hi def link javaType			Type
+hi def link javaExternal		Include
+
+hi def link javaUserLabel		Label
+hi def link javaUserLabelRef		javaUserLabel
+hi def link javaLabel			Label
+hi def link javaLabelDefault		javaLabel
+hi def link javaLabelVarType		javaOperator
 
-hi def link javaCommentTitle		SpecialComment
-hi def link javaDocTags		Special
-hi def link javaDocCodeTag		Special
-hi def link javaDocSnippetTag		Special
-hi def link javaDocParam		Function
-hi def link javaDocSeeTagParam		Function
+hi def link javaComment			Comment
 hi def link javaCommentStar		javaComment
+hi def link javaLineComment		Comment
+hi def link javaCommentMarkupTagAttr	javaHtmlArg
+hi def link javaCommentString		javaString
+hi def link javaComment2String		javaString
+hi def link javaCommentCharacter	javaCharacter
+hi def link javaCommentError		javaError
+hi def link javaCommentStart		javaComment
 
-hi def link javaType			Type
-hi def link javaExternal		Include
+hi def link javaHtmlArg			Type
+hi def link javaHtmlString		String
 
-hi def link htmlComment		Special
-hi def link htmlCommentPart		Special
-hi def link htmlArg			Type
-hi def link htmlString			String
-hi def link javaSpaceError		Error
+let b:current_syntax = "java"
 
-if s:module_info_cur_buf
-  hi def link javaModuleStorageClass	StorageClass
-  hi def link javaModuleStmt		Statement
-  hi def link javaModuleExternal	Include
+if g:main_syntax == 'java'
+  unlet g:main_syntax
 endif
 
-let b:current_syntax = "java"
+if exists("s:clear_java_ignore_html")
+  unlet! s:clear_java_ignore_html g:java_ignore_html
+endif
 
-if main_syntax == 'java'
-  unlet main_syntax
+if exists("s:clear_java_ignore_markdown")
+  unlet! s:clear_java_ignore_markdown g:java_ignore_markdown
 endif
 
 let b:spell_options = "contained"
 let &cpo = s:cpo_save
-unlet s:module_info_cur_buf s:ff s:cpo_save
+unlet s:cpo_save s:ff s:with_html s:with_markdown
 
-" vim: sw=2 ts=8 noet sta
+" See ":help vim9-mix".
+if !has("vim9script")
+  finish
+endif
+
+if exists("g:java_foldtext_show_first_or_second_line")
+  def! s:LazyPrefix(prefix: string, dashes: string, count: number): string
+    return empty(prefix)
+      ? printf('+-%s%3d lines: ', dashes, count)
+      : prefix
+  enddef
+
+  def! s:JavaSyntaxFoldTextExpr(): string
+    # Piggyback on NGETTEXT.
+    const summary: string = foldtext()
+    return getline(v:foldstart) !~ '/\*\+\s*$'
+      ? summary
+      : LazyPrefix(matchstr(summary, '^+-\+\s*\d\+\s.\{-1,}:\s'),
+			v:folddashes,
+			(v:foldend - v:foldstart + 1)) ..
+	  getline(v:foldstart + 1)
+  enddef
+
+  setlocal foldtext=s:JavaSyntaxFoldTextExpr()
+  delfunction! g:JavaSyntaxFoldTextExpr
+endif
+" vim: fdm=syntax sw=2 ts=8 noet sta
diff --git a/runtime/syntax/javascript.vim b/runtime/syntax/javascript.vim
index e3b4cdf703..c73f5d7097 100644
--- a/runtime/syntax/javascript.vim
+++ b/runtime/syntax/javascript.vim
@@ -10,6 +10,7 @@
 " Last Change:	2022 Jun 09
 " 		2013 Jun 12: adjusted javaScriptRegexpString (Kevin Locke)
 " 		2018 Apr 14: adjusted javaScriptRegexpString (LongJohnCoder)
+" 		2024 Aug 14: fix a few stylistic issues (#15480)
 
 " tuning parameters:
 " unlet javaScript_fold
@@ -59,14 +60,15 @@ syn keyword javaScriptType		Array Boolean Date Function Number Object String Reg
 syn keyword javaScriptStatement		return with await yield
 syn keyword javaScriptBoolean		true false
 syn keyword javaScriptNull		null undefined
-syn keyword javaScriptIdentifier	arguments this var let
+syn keyword javaScriptIdentifier	arguments this
 syn keyword javaScriptLabel		case default
 syn keyword javaScriptException		try catch finally throw
 syn keyword javaScriptMessage		alert confirm prompt status
 syn keyword javaScriptGlobal		self window top parent
 syn keyword javaScriptMember		document event location 
 syn keyword javaScriptDeprecated	escape unescape
-syn keyword javaScriptReserved		abstract boolean byte char class const debugger double enum export extends final float goto implements import int interface long native package private protected public short static super synchronized throws transient volatile async
+syn keyword javaScriptReserved		abstract boolean byte char class const debugger double enum export extends final float from goto implements import int interface let long native package private protected public short super synchronized throws transient var volatile async
+syn keyword javaScriptModifier  static
 
 syn cluster  javaScriptEmbededExpr	contains=javaScriptBoolean,javaScriptNull,javaScriptIdentifier,javaScriptStringD,javaScriptStringS,javaScriptStringT
 
@@ -110,7 +112,7 @@ hi def link javaScriptBranch		Conditional
 hi def link javaScriptOperator		Operator
 hi def link javaScriptType			Type
 hi def link javaScriptStatement		Statement
-hi def link javaScriptFunction		Function
+hi def link javaScriptFunction		Keyword
 hi def link javaScriptBraces		Function
 hi def link javaScriptError		Error
 hi def link javaScrParenError		javaScriptError
@@ -126,6 +128,7 @@ hi def link javaScriptGlobal		Keyword
 hi def link javaScriptMember		Keyword
 hi def link javaScriptDeprecated		Exception 
 hi def link javaScriptReserved		Keyword
+hi def link javaScriptModifier		StorageClass
 hi def link javaScriptDebug		Debug
 hi def link javaScriptConstant		Label
 hi def link javaScriptEmbed		Special
diff --git a/runtime/syntax/jinja.vim b/runtime/syntax/jinja.vim
new file mode 100644
index 0000000000..6000855ff7
--- /dev/null
+++ b/runtime/syntax/jinja.vim
@@ -0,0 +1,86 @@
+" Vim syntax file
+" Language: Jinja
+" Maintainer: Gregory Anders
+" Upstream: https://gitlab.com/HiPhish/jinja.vim
+
+if exists('b:current_syntax')
+    finish
+endif
+
+syntax case match
+syntax sync fromstart
+
+" Jinja template built-in tags and parameters (without filter, macro, is and raw, they
+" have special threatment)
+syn keyword jinjaStatement containedin=jinjaVarBlock,jinjaTagBlock,jinjaNested contained and if else in not or recursive as import
+
+syn keyword jinjaStatement containedin=jinjaVarBlock,jinjaTagBlock,jinjaNested contained is filter skipwhite nextgroup=jinjaFilter
+syn keyword jinjaStatement containedin=jinjaTagBlock contained macro skipwhite nextgroup=jinjaFunction
+syn keyword jinjaStatement containedin=jinjaTagBlock contained block skipwhite nextgroup=jinjaBlockName
+
+" Variable Names
+syn match jinjaVariable containedin=jinjaVarBlock,jinjaTagBlock,jinjaNested contained /[a-zA-Z_][a-zA-Z0-9_]*/
+syn keyword jinjaSpecial containedin=jinjaVarBlock,jinjaTagBlock,jinjaNested contained false true none False True None loop super caller varargs kwargs
+
+" Filters
+syn match jinjaOperator "|" containedin=jinjaVarBlock,jinjaTagBlock,jinjaNested contained skipwhite nextgroup=jinjaFilter
+syn match jinjaFilter contained /[a-zA-Z_][a-zA-Z0-9_]*/
+syn match jinjaFunction contained /[a-zA-Z_][a-zA-Z0-9_]*/
+syn match jinjaBlockName contained /[a-zA-Z_][a-zA-Z0-9_]*/
+
+" Jinja template constants
+syn region jinjaString containedin=jinjaVarBlock,jinjaTagBlock,jinjaNested contained start=/"/ skip=/\(\\\)\@<!\(\(\\\\\)\@>\)*\\"/ end=/"/
+syn region jinjaString containedin=jinjaVarBlock,jinjaTagBlock,jinjaNested contained start=/'/ skip=/\(\\\)\@<!\(\(\\\\\)\@>\)*\\'/ end=/'/
+syn match jinjaNumber containedin=jinjaVarBlock,jinjaTagBlock,jinjaNested contained /[0-9]\+\(\.[0-9]\+\)\?/
+
+" Operators
+syn match jinjaOperator containedin=jinjaVarBlock,jinjaTagBlock,jinjaNested contained /[+\-*\/<>=!,:]/
+syn match jinjaPunctuation containedin=jinjaVarBlock,jinjaTagBlock,jinjaNested contained /[()\[\]]/
+syn match jinjaOperator containedin=jinjaVarBlock,jinjaTagBlock,jinjaNested contained /\./ nextgroup=jinjaAttribute
+syn match jinjaAttribute contained /[a-zA-Z_][a-zA-Z0-9_]*/
+
+" Jinja template tag and variable blocks
+syn region jinjaNested matchgroup=jinjaOperator start="(" end=")" transparent display containedin=jinjaVarBlock,jinjaTagBlock,jinjaNested contained
+syn region jinjaNested matchgroup=jinjaOperator start="\[" end="\]" transparent display containedin=jinjaVarBlock,jinjaTagBlock,jinjaNested contained
+syn region jinjaNested matchgroup=jinjaOperator start="{" end="}" transparent display containedin=jinjaVarBlock,jinjaTagBlock,jinjaNested contained
+syn region jinjaTagBlock matchgroup=jinjaTagDelim start=/{%-\?/ end=/-\?%}/ containedin=ALLBUT,jinjaTagBlock,jinjaVarBlock,jinjaRaw,jinjaString,jinjaNested,jinjaComment
+
+syn region jinjaVarBlock matchgroup=jinjaVarDelim start=/{{-\?/ end=/-\?}}/ containedin=ALLBUT,jinjaTagBlock,jinjaVarBlock,jinjaRaw,jinjaString,jinjaNested,jinjaComment
+
+" Jinja template 'raw' tag
+syn region jinjaRaw matchgroup=jinjaRawDelim start="{%\s*raw\s*%}" end="{%\s*endraw\s*%}" containedin=ALLBUT,jinjaTagBlock,jinjaVarBlock,jinjaString,jinjaComment
+
+" Jinja comments
+syn region jinjaComment matchgroup=jinjaCommentDelim start="{#" end="#}" containedin=ALLBUT,jinjaTagBlock,jinjaVarBlock,jinjaString
+
+" Block start keywords.  A bit tricker.  We only highlight at the start of a
+" tag block and only if the name is not followed by a comma or equals sign
+" which usually means that we have to deal with an assignment.
+syn match jinjaStatement containedin=jinjaTagBlock contained /\({%-\?\s*\)\@<=\<[a-zA-Z_][a-zA-Z0-9_]*\>\(\s*[,=]\)\@!/
+
+" and context modifiers
+syn match jinjaStatement containedin=jinjaTagBlock contained /\<with\(out\)\?\s\+context\>/
+
+hi def link jinjaPunctuation jinjaOperator
+hi def link jinjaAttribute jinjaVariable
+hi def link jinjaFunction jinjaFilter
+
+hi def link jinjaTagDelim jinjaTagBlock
+hi def link jinjaVarDelim jinjaVarBlock
+hi def link jinjaCommentDelim jinjaComment
+hi def link jinjaRawDelim jinja
+
+hi def link jinjaSpecial Special
+hi def link jinjaOperator Normal
+hi def link jinjaRaw Normal
+hi def link jinjaTagBlock PreProc
+hi def link jinjaVarBlock PreProc
+hi def link jinjaStatement Statement
+hi def link jinjaFilter Function
+hi def link jinjaBlockName Function
+hi def link jinjaVariable Identifier
+hi def link jinjaString Constant
+hi def link jinjaNumber Constant
+hi def link jinjaComment Comment
+
+let b:current_syntax = 'jinja'
diff --git a/runtime/syntax/kconfig.vim b/runtime/syntax/kconfig.vim
index c7a305b73c..0aecc00060 100644
--- a/runtime/syntax/kconfig.vim
+++ b/runtime/syntax/kconfig.vim
@@ -1,7 +1,7 @@
 " Vim syntax file
 " Maintainer:           Christian Brabandt <cb@256bit.org>
 " Previous Maintainer:  Nikolai Weibull <now@bitwi.se>
-" Latest Revision:      2015-05-29
+" Latest Revision:      2024-07-19
 " License:              Vim (see :h license)
 " Repository:		https://github.com/chrisbra/vim-kconfig
 
@@ -715,8 +715,6 @@ syn region  kconfigHelpText
       \ skip='^$'
       \ end='^\z1\@!'
 
-syn sync    match kconfigSyncHelp     grouphere kconfigHelpText 'help\|---help---'
-
 hi def link kconfigTodo         Todo
 hi def link kconfigComment      Comment
 hi def link kconfigKeyword      Keyword
diff --git a/runtime/syntax/kdl.vim b/runtime/syntax/kdl.vim
new file mode 100644
index 0000000000..97e8f93b61
--- /dev/null
+++ b/runtime/syntax/kdl.vim
@@ -0,0 +1,48 @@
+" Vim syntax file
+" Language: KDL
+" Maintainer: Aram Drevekenin <aram@poor.dev>
+" Maintainer: Yinzuo Jiang <jiangyinzuo@foxmail.com>
+" Latest Revision: 2024-06-16
+
+" quit when a syntax file was already loaded
+if exists("b:current_syntax")
+  finish
+endif
+
+syn match kdlNode '\v(\w|-|\=)' display
+syn match kdlBool '\v(true|false)' display
+
+syn keyword kdlTodo contained TODO FIXME XXX NOTE
+syn region  kdlComment start="//"  end="$"   contains=kdlTodo,@Spell
+syn region  kdlComment start="/\*" end="\*/" contains=kdlTodo,@Spell
+
+" Regular int like number with - + or nothing in front
+syn match kdlNumber '\d\+'
+syn match kdlNumber '[-+]\d\+'
+
+" Floating point number with decimal no E or e (+,-)
+syn match kdlNumber '\d\+\.\d*' contained display
+syn match kdlNumber '[-+]\d\+\.\d*' contained display
+
+" Floating point like number with E and no decimal point (+,-)
+syn match kdlNumber '[-+]\=\d[[:digit:]]*[eE][\-+]\=\d\+' contained display
+syn match kdlNumber '\d[[:digit:]]*[eE][\-+]\=\d\+' contained display
+
+" Floating point like number with E and decimal point (+,-)
+syn match kdlNumber '[-+]\=\d[[:digit:]]*\.\d*[eE][\-+]\=\d\+' contained display
+syn match kdlNumber '\d[[:digit:]]*\.\d*[eE][\-+]\=\d\+' contained display
+
+syn region kdlString start='"' end='"' skip='\\\\\|\\"' display
+
+syn region kdlChildren start="{" end="}" contains=kdlString,kdlNumber,kdlNode,kdlBool,kdlComment
+
+hi def link kdlTodo        Todo
+hi def link kdlComment     Comment
+hi def link kdlNode        Statement
+hi def link kdlBool        Boolean
+hi def link kdlString      String
+hi def link kdlNumber      Number
+
+let b:current_syntax = "kdl"
+
+" vim: sw=2 sts=2 et
diff --git a/runtime/syntax/kivy.vim b/runtime/syntax/kivy.vim
index b145503478..d4bccfc147 100644
--- a/runtime/syntax/kivy.vim
+++ b/runtime/syntax/kivy.vim
@@ -1,9 +1,9 @@
 " Vim syntax file
 " Language:    Kivy
-" Maintainer:  Corey Prophitt <prophitt.corey@gmail.com>
-" Last Change: May 29th, 2014
+" Maintainer:  Corey Prophitt <corey@prophitt.me>
+" Last Change: Jul 31st, 2024
 " Version:     1
-" URL:         http://kivy.org/
+" URL:         https://kivy.org/
 
 if exists("b:current_syntax")
     finish
@@ -13,11 +13,11 @@ endif
 syn include @pyth $VIMRUNTIME/syntax/python.vim
 
 " Kivy language rules can be found here
-"   http://kivy.org/docs/guide/lang.html
+"   https://kivy.org/doc/stable/guide/lang.html
 
 " Define Kivy syntax
 syn match kivyPreProc   /#:.*/
-syn match kivyComment   /#.*/
+syn match kivyComment   /#[^:].*/
 syn match kivyRule      /<\I\i*\(,\s*\I\i*\)*>:/
 syn match kivyAttribute /\<\I\i*\>/ nextgroup=kivyValue
 
diff --git a/runtime/syntax/lc.vim b/runtime/syntax/lc.vim
index a334529385..1991c1b582 100644
--- a/runtime/syntax/lc.vim
+++ b/runtime/syntax/lc.vim
@@ -2,6 +2,7 @@
 " Language:     Elsa
 " Maintainer:   Miles Glapa-Grossklag <miles@glapa-grossklag.com>
 " Last Change:  2023-01-29
+"               2024 May 25 by Riley Bruins <ribru17@gmail.com> (move 'commentstring' to ftplugin)
 
 if exists('b:current_syntax')
   finish
@@ -13,7 +14,6 @@ syntax match elsaKeyword "\v:"
 highlight link elsaKeyword Keyword
 
 " Comments
-setlocal commentstring=--%s
 syntax match elsaComment "\v--.*$"
 highlight link elsaComment Comment
 
diff --git a/runtime/syntax/logindefs.vim b/runtime/syntax/logindefs.vim
index 8cb4295eda..51fa19992c 100644
--- a/runtime/syntax/logindefs.vim
+++ b/runtime/syntax/logindefs.vim
@@ -1,7 +1,8 @@
-" Vim syntax file
+" Vim syntax file for login.defs(5)
 " Language:             login.defs(5) configuration file
 " Previous Maintainer:  Nikolai Weibull <now@bitwi.se>
 " Latest Revision:      2010-11-29
+" 2024 Jul 12 by Vim Project: Update keywords
 
 if exists("b:current_syntax")
   finish
@@ -35,6 +36,8 @@ syn keyword logindefsBooleanKeyword contained
                                     \ CREATE_HOME
                                     \ DEFAULT_HOME
                                     \ FAILLOG_ENAB
+                                    \ FORCE_SHADOW
+                                    \ GRANT_AUX_GROUP_SUBIDS
                                     \ LASTLOG_ENAB
                                     \ LOG_OK_LOGINS
                                     \ LOG_UNKFAIL_ENAB
@@ -54,15 +57,20 @@ syn keyword logindefsBoolean        contained yes no
 
 syn keyword logindefsEncryptKeyword contained
                                     \ ENCRYPT_METHOD
+                                    \ HMAC_CRYPTO_ALGO
                                     \ nextgroup=logindefsEncryptMethod skipwhite
 
 syn keyword logindefsEncryptMethod  contained
+                                    \ BCRYPT
                                     \ DES
                                     \ MD5
                                     \ SHA256
                                     \ SHA512
+                                    \ YESCRYPT
 
 syn keyword logindefsNumberKeyword  contained
+                                    \ BCRYPT_MAX_ROUNDS
+                                    \ BCRYPT_MIN_ROUNDS
                                     \ ERASECHAR
                                     \ FAIL_DELAY
                                     \ GID_MAX
@@ -79,6 +87,12 @@ syn keyword logindefsNumberKeyword  contained
                                     \ PASS_MIN_LEN
                                     \ SHA_CRYPT_MAX_ROUNDS
                                     \ SHA_CRYPT_MIN_ROUNDS
+                                    \ SUB_GID_COUNT
+                                    \ SUB_GID_MAX
+                                    \ SUB_GID_MIN
+                                    \ SUB_UID_COUNT
+                                    \ SUB_UID_MAX
+                                    \ SUB_UID_MIN
                                     \ SYS_GID_MAX
                                     \ SYS_GID_MIN
                                     \ SYS_UID_MAX
@@ -86,9 +100,15 @@ syn keyword logindefsNumberKeyword  contained
                                     \ UID_MAX
                                     \ UID_MIN
                                     \ ULIMIT
-                                    \ UMASK
+                                    \ YESCRYPT_COST_FACTOR
                                     \ nextgroup=@logindefsNumber skipwhite
 
+syn keyword logindefsNumberKeyword  contained
+                                    \ HOME_MODE
+                                    \ TTYPERM
+                                    \ UMASK
+                                    \ nextgroup=logindefsOctal,logindefsOctalError skipwhite
+
 syn cluster logindefsNumber         contains=
                                     \ logindefsDecimal,
                                     \ logindefsHex,
@@ -114,6 +134,7 @@ syn keyword logindefsPathKeyword    contained
                                     \ MAIL_DIR
                                     \ MAIL_FILE
                                     \ NOLOGINS_FILE
+                                    \ NONEXISTENT
                                     \ SULOG_FILE
                                     \ TTYTYPE_FILE
                                     \ nextgroup=logindefsPath skipwhite
@@ -138,9 +159,9 @@ syn keyword logindefsStringKeyword  contained
                                     \ ENV_HZ
                                     \ ENV_TZ
                                     \ LOGIN_STRING
+                                    \ PREVENT_NO_AUTH
                                     \ SU_NAME
                                     \ TTYGROUP
-                                    \ TTYPERM
                                     \ USERDEL_CMD
                                     \ nextgroup=logindefsString skipwhite
 
diff --git a/runtime/syntax/lyrics.vim b/runtime/syntax/lyrics.vim
index 42a288b51b..fd127988f2 100644
--- a/runtime/syntax/lyrics.vim
+++ b/runtime/syntax/lyrics.vim
@@ -2,7 +2,7 @@
 " Language:     LyRiCs
 " Maintainer:   ObserverOfTime <chronobserver@disroot.org>
 " Filenames:    *.lrc
-" Last Change:  2022 Sep 18
+" Last Change:  2024 Sep 20
 
 if exists('b:current_syntax')
     finish
@@ -23,7 +23,7 @@ syn match lrcTagName contained nextgroup=lrcTagValue
 syn match lrcTagValue /:\zs.\+\ze\]/ contained
 
 " Lyrics
-syn match lrcLyricTime /^\s*\[\d\d:\d\d\.\d\d\]/
+syn match lrcLyricTime /^\s*\(\[\d\d:\d\d\.\d\d\]\)\+/
             \ contains=lrcNumber nextgroup=lrcLyricLine
 syn match lrcLyricLine /.*$/ contained contains=lrcWordTime,@Spell
 syn match lrcWordTime /<\d\d:\d\d\.\d\d>/ contained contains=lrcNumber,@NoSpell
diff --git a/runtime/syntax/make.vim b/runtime/syntax/make.vim
index b4573044ca..d3ddf78291 100644
--- a/runtime/syntax/make.vim
+++ b/runtime/syntax/make.vim
@@ -28,8 +28,13 @@ syn match makePreCondit "^!\s*\(cmdswitches\|error\|message\|include\|if\|ifdef\
 syn case match
 
 " identifiers
-syn region makeIdent	start="\$(" skip="\\)\|\\\\" end=")" contains=makeStatement,makeIdent
-syn region makeIdent	start="\${" skip="\\}\|\\\\" end="}" contains=makeStatement,makeIdent
+if exists("b:make_microsoft") || exists("make_microsoft")
+  syn region makeIdent	start="\$(" end=")" contains=makeStatement,makeIdent
+  syn region makeIdent	start="\${" end="}" contains=makeStatement,makeIdent
+else
+  syn region makeIdent	start="\$(" skip="\\)\|\\\\" end=")" contains=makeStatement,makeIdent
+  syn region makeIdent	start="\${" skip="\\}\|\\\\" end="}" contains=makeStatement,makeIdent
+endif
 syn match makeIdent	"\$\$\w*"
 syn match makeIdent	"\$[^({]"
 syn match makeIdent	"^ *[^:#= \t]*\s*[:+?!*]="me=e-2
@@ -78,11 +83,13 @@ syn match makeOverride	"^ *override\>"
 syn match makeStatement contained "(\(abspath\|addprefix\|addsuffix\|and\|basename\|call\|dir\|error\|eval\|file\|filter-out\|filter\|findstring\|firstword\|flavor\|foreach\|guile\|if\|info\|join\|lastword\|notdir\|or\|origin\|patsubst\|realpath\|shell\|sort\|strip\|subst\|suffix\|value\|warning\|wildcard\|word\|wordlist\|words\)\>"ms=s+1
 
 " Comment
-if exists("make_microsoft")
-   syn match  makeComment "#.*" contains=@Spell,makeTodo
-elseif !exists("make_no_comments")
-   syn region  makeComment	start="#" end="^$" end="[^\\]$" keepend contains=@Spell,makeTodo
-   syn match   makeComment	"#$" contains=@Spell
+if !exists("make_no_comments")
+  if exists("b:make_microsoft") || exists("make_microsoft")
+    syn match   makeComment	"#.*" contains=@Spell,makeTodo
+  else
+    syn region  makeComment	start="#" end="^$" end="[^\\]$" keepend contains=@Spell,makeTodo
+    syn match   makeComment	"#$" contains=@Spell
+  endif
 endif
 syn keyword makeTodo TODO FIXME XXX contained
 
diff --git a/runtime/syntax/mediawiki.vim b/runtime/syntax/mediawiki.vim
new file mode 100644
index 0000000000..8ac30b93db
--- /dev/null
+++ b/runtime/syntax/mediawiki.vim
@@ -0,0 +1,292 @@
+" mediawiki.vim (formerly named Wikipedia.vim)
+"
+" Vim syntax file
+" Language: MediaWiki
+" Maintainer: Avid Seeker <avidseeker7@protonmail.com>
+" Home: http://en.wikipedia.org/wiki/Wikipedia:Text_editor_support#Vim
+" Last Change: 2024 Jul 14
+" Credits: [[User:Unforgettableid]] [[User:Aepd87]], [[User:Danny373]], [[User:Ingo Karkat]], et al.
+"
+" Published on Wikipedia in 2003-04 and declared authorless.
+"
+" Based on the HTML syntax file. Probably too closely based, in fact.
+" There may well be name collisions everywhere, but ignorance is bliss,
+" so they say.
+"
+
+if exists("b:current_syntax")
+  finish
+endif
+
+syntax case ignore
+syntax spell toplevel
+
+" Mark illegal characters
+sy match htmlError "[<>&]"
+
+" Tags
+sy region  htmlString   contained start=+"+                        end=+"+ contains=htmlSpecialChar,@htmlPreproc
+sy region  htmlString   contained start=+'+                        end=+'+ contains=htmlSpecialChar,@htmlPreproc
+sy match   htmlValue    contained "=[\t ]*[^'" \t>][^ \t>]*"hs=s+1         contains=@htmlPreproc
+sy region  htmlEndTag             start=+</+                       end=+>+ contains=htmlTagN,htmlTagError
+sy region  htmlTag                start=+<[^/]+                    end=+>+ contains=htmlTagN,htmlString,htmlArg,htmlValue,htmlTagError,htmlEvent,htmlCssDefinition,@htmlPreproc,@htmlArgCluster
+sy match   htmlTagN     contained +<\s*[-a-zA-Z0-9]\++hs=s+1               contains=htmlTagName,htmlSpecialTagName,@htmlTagNameCluster
+sy match   htmlTagN     contained +</\s*[-a-zA-Z0-9]\++hs=s+2              contains=htmlTagName,htmlSpecialTagName,@htmlTagNameCluster
+sy match   htmlTagError contained "[^>]<"ms=s+1
+
+" Allowed HTML tag names
+sy keyword htmlTagName contained big blockquote br caption center cite code
+sy keyword htmlTagName contained dd del div dl dt font hr ins li
+sy keyword htmlTagName contained ol p pre rb rp rt ruby s small span strike sub
+sy keyword htmlTagName contained sup table td th tr tt ul var
+sy match   htmlTagName contained "\<\(b\|i\|u\|h[1-6]\|em\|strong\)\>"
+" Allowed Wiki tag names
+sy keyword htmlTagName contained math nowiki references source syntaxhighlight
+
+" Allowed arg names
+sy keyword htmlArg contained align lang dir width height nowrap bgcolor clear
+sy keyword htmlArg contained noshade cite datetime size face color type start
+sy keyword htmlArg contained value compact summary border frame rules
+sy keyword htmlArg contained cellspacing cellpadding valign char charoff
+sy keyword htmlArg contained colgroup col span abbr axis headers scope rowspan
+sy keyword htmlArg contained colspan id class name style title
+
+" Special characters
+sy match htmlSpecialChar "&#\=[0-9A-Za-z]\{1,8};"
+
+" Comments
+sy region htmlComment                start=+<!+                end=+>+     contains=htmlCommentPart,htmlCommentError
+sy match  htmlCommentError contained "[^><!]"
+sy region htmlCommentPart  contained start=+--+                end=+--\s*+ contains=@htmlPreProc
+sy region htmlComment                start=+<!DOCTYPE+ keepend end=+>+
+
+if !exists("html_no_rendering")
+  sy cluster htmlTop contains=@Spell,htmlTag,htmlEndTag,htmlSpecialChar,htmlPreProc,htmlComment,htmlLink,@htmlPreproc
+
+  sy region htmlBold                          start="<b\>"      end="</b>"me=e-4      contains=@htmlTop,htmlBoldUnderline,htmlBoldItalic
+  sy region htmlBold                          start="<strong\>" end="</strong>"me=e-9 contains=@htmlTop,htmlBoldUnderline,htmlBoldItalic
+  sy region htmlBoldUnderline       contained start="<u\>"      end="</u>"me=e-4      contains=@htmlTop,htmlBoldUnderlineItalic
+  sy region htmlBoldItalic          contained start="<i\>"      end="</i>"me=e-4      contains=@htmlTop,htmlBoldItalicUnderline
+  sy region htmlBoldItalic          contained start="<em\>"     end="</em>"me=e-5     contains=@htmlTop,htmlBoldItalicUnderline
+  sy region htmlBoldUnderlineItalic contained start="<i\>"      end="</i>"me=e-4      contains=@htmlTop
+  sy region htmlBoldUnderlineItalic contained start="<em\>"     end="</em>"me=e-5     contains=@htmlTop
+  sy region htmlBoldItalicUnderline contained start="<u\>"      end="</u>"me=e-4      contains=@htmlTop,htmlBoldUnderlineItalic
+
+  sy region htmlUnderline                     start="<u\>"      end="</u>"me=e-4      contains=@htmlTop,htmlUnderlineBold,htmlUnderlineItalic
+  sy region htmlUnderlineBold       contained start="<b\>"      end="</b>"me=e-4      contains=@htmlTop,htmlUnderlineBoldItalic
+  sy region htmlUnderlineBold       contained start="<strong\>" end="</strong>"me=e-9 contains=@htmlTop,htmlUnderlineBoldItalic
+  sy region htmlUnderlineItalic     contained start="<i\>"      end="</i>"me=e-4      contains=@htmlTop,htmlUnderlineItalicBold
+  sy region htmlUnderlineItalic     contained start="<em\>"     end="</em>"me=e-5     contains=@htmlTop,htmlUnderlineItalicBold
+  sy region htmlUnderlineItalicBold contained start="<b\>"      end="</b>"me=e-4      contains=@htmlTop
+  sy region htmlUnderlineItalicBold contained start="<strong\>" end="</strong>"me=e-9 contains=@htmlTop
+  sy region htmlUnderlineBoldItalic contained start="<i\>"      end="</i>"me=e-4      contains=@htmlTop
+  sy region htmlUnderlineBoldItalic contained start="<em\>"     end="</em>"me=e-5     contains=@htmlTop
+
+  sy region htmlItalic                        start="<i\>"      end="</i>"me=e-4      contains=@htmlTop,htmlItalicBold,htmlItalicUnderline
+  sy region htmlItalic                        start="<em\>"     end="</em>"me=e-5     contains=@htmlTop
+  sy region htmlItalicBold          contained start="<b\>"      end="</b>"me=e-4      contains=@htmlTop,htmlItalicBoldUnderline
+  sy region htmlItalicBold          contained start="<strong\>" end="</strong>"me=e-9 contains=@htmlTop,htmlItalicBoldUnderline
+  sy region htmlItalicBoldUnderline contained start="<u\>"      end="</u>"me=e-4      contains=@htmlTop
+  sy region htmlItalicUnderline     contained start="<u\>"      end="</u>"me=e-4      contains=@htmlTop,htmlItalicUnderlineBold
+  sy region htmlItalicUnderlineBold contained start="<b\>"      end="</b>"me=e-4      contains=@htmlTop
+  sy region htmlItalicUnderlineBold contained start="<strong\>" end="</strong>"me=e-9 contains=@htmlTop
+
+  sy region htmlH1    start="<h1\>"    end="</h1>"me=e-5    contains=@htmlTop
+  sy region htmlH2    start="<h2\>"    end="</h2>"me=e-5    contains=@htmlTop
+  sy region htmlH3    start="<h3\>"    end="</h3>"me=e-5    contains=@htmlTop
+  sy region htmlH4    start="<h4\>"    end="</h4>"me=e-5    contains=@htmlTop
+  sy region htmlH5    start="<h5\>"    end="</h5>"me=e-5    contains=@htmlTop
+  sy region htmlH6    start="<h6\>"    end="</h6>"me=e-5    contains=@htmlTop
+endif
+
+
+" No htmlTop and wikiPre inside HTML preformatted areas, because
+" MediaWiki renders everything in there literally (HTML tags and
+" entities, too): <pre> tags work as the combination of <nowiki> and
+" the standard HTML <pre> tag: the content will preformatted, and it
+" will not be parsed, but shown as in the wikitext source.
+"
+" With wikiPre, indented lines would be rendered differently from
+" unindented lines.
+sy match htmlPreTag       /<pre\>[^>]*>/         contains=htmlTag
+sy match htmlPreEndTag    /<\/pre>/       contains=htmlEndTag
+sy match wikiNowikiTag    /<nowiki>/      contains=htmlTag
+sy match wikiNowikiEndTag /<\/nowiki>/    contains=htmlEndTag
+sy match wikiSourceTag    /<source\s\+[^>]\+>/ contains=htmlTag
+sy match wikiSourceEndTag /<\/source>/    contains=htmlEndTag
+sy match wikiSyntaxHLTag    /<syntaxhighlight\s\+[^>]\+>/ contains=htmlTag
+sy match wikiSyntaxHLEndTag /<\/syntaxhighlight>/    contains=htmlEndTag
+
+" Note: Cannot use 'start="<pre>"rs=e', so still have the <pre> tag
+" highlighted correctly via separate sy-match. Unfortunately, this will
+" also highlight <pre> tags inside the preformatted region.
+sy region htmlPre    start="<pre\>[^>]*>"                 end="<\/pre>"me=e-6    contains=htmlPreTag
+sy region wikiNowiki start="<nowiki>"              end="<\/nowiki>"me=e-9 contains=wikiNowikiTag
+sy region wikiSource start="<source\s\+[^>]\+>"         keepend end="<\/source>"me=e-9 contains=wikiSourceTag
+sy region wikiSyntaxHL start="<syntaxhighlight\s\+[^>]\+>" keepend end="<\/syntaxhighlight>"me=e-18 contains=wikiSyntaxHLTag
+
+sy include @TeX syntax/tex.vim
+unlet b:current_syntax
+sy region wikiTeX matchgroup=htmlTag start="<math>" end="<\/math>"  contains=@texMathZoneGroup,wikiNowiki,wikiNowikiEndTag
+sy region wikiRef matchgroup=htmlTag start="<ref>"  end="<\/ref>"   contains=wikiNowiki,wikiNowikiEndTag
+
+sy cluster wikiText contains=wikiLink,wikiTemplate,wikiNowiki,wikiNowikiEndTag,wikiItalic,wikiBold,wikiBoldAndItalic
+
+" Tables
+sy cluster wikiTableFormat contains=wikiTemplate,htmlString,htmlArg,htmlValue
+sy region wikiTable matchgroup=wikiTableSeparator start="{|" end="|}" contains=wikiTableHeaderLine,wikiTableCaptionLine,wikiTableNewRow,wikiTableHeadingCell,wikiTableNormalCell,@wikiText
+sy match  wikiTableSeparator /^!/ contained
+sy match  wikiTableSeparator /^|/ contained
+sy match  wikiTableSeparator /^|[+-]/ contained
+sy match  wikiTableSeparator /||/ contained
+sy match  wikiTableSeparator /!!/ contained
+sy match  wikiTableFormatEnd /[!|]/ contained
+sy match  wikiTableHeadingCell /\(^!\|!!\)\([^!|]*|\)\?.*/ contains=wikiTableSeparator,@wikiText,wikiTableHeadingFormat
+" Require at least one '=' in the format, to avoid spurious matches (e.g.
+" the | in [[foo|bar]] might be taken as the final |, indicating the beginning
+" of the cell). The same is done for wikiTableNormalFormat below.
+sy match  wikiTableHeadingFormat /\%(^!\|!!\)[^!|]\+=[^!|]\+\([!|]\)\(\1\)\@!/me=e-1 contains=@wikiTableFormat,wikiTableSeparator nextgroup=wikiTableFormatEnd
+sy match  wikiTableNormalCell /\(^|\|||\)\([^|]*|\)\?.*/ contains=wikiTableSeparator,@wikiText,wikiTableNormalFormat
+sy match  wikiTableNormalFormat /\(^|\|||\)[^|]\+=[^|]\+||\@!/me=e-1 contains=@wikiTableFormat,wikiTableSeparator nextgroup=wikiTableFormatEnd
+sy match  wikiTableHeaderLine /\(^{|\)\@<=.*$/ contained contains=@wikiTableFormat
+sy match  wikiTableCaptionLine /^|+.*$/ contained contains=wikiTableSeparator,@wikiText
+sy match  wikiTableNewRow /^|-.*$/ contained contains=wikiTableSeparator,@wikiTableFormat
+
+sy cluster wikiTop contains=@Spell,wikiLink,wikiNowiki,wikiNowikiEndTag
+
+sy region wikiItalic        start=+'\@<!'''\@!+ end=+''+    oneline contains=@wikiTop,wikiItalicBold
+sy region wikiBold          start=+'''+         end=+'''+   oneline contains=@wikiTop,wikiBoldItalic
+sy region wikiBoldAndItalic start=+'''''+       end=+'''''+ oneline contains=@wikiTop
+
+sy region wikiBoldItalic contained start=+'\@<!'''\@!+ end=+''+  oneline contains=@wikiTop
+sy region wikiItalicBold contained start=+'''+         end=+'''+ oneline contains=@wikiTop
+
+sy region wikiH1 start="^="      end="="      oneline contains=@wikiTop
+sy region wikiH2 start="^=="     end="=="     oneline contains=@wikiTop
+sy region wikiH3 start="^==="    end="==="    oneline contains=@wikiTop
+sy region wikiH4 start="^===="   end="===="   oneline contains=@wikiTop
+sy region wikiH5 start="^====="  end="====="  oneline contains=@wikiTop
+sy region wikiH6 start="^======" end="======" oneline contains=@wikiTop
+
+sy region wikiLink start="\[\[" end="\]\]\(s\|'s\|es\|ing\|\)" oneline contains=wikiLink,wikiNowiki,wikiNowikiEndTag
+
+sy region wikiLink start="https\?://" end="\W*\_s"me=s-1 oneline
+sy region wikiLink start="\[http:"   end="\]" oneline contains=wikiNowiki,wikiNowikiEndTag
+sy region wikiLink start="\[https:"  end="\]" oneline contains=wikiNowiki,wikiNowikiEndTag
+sy region wikiLink start="\[ftp:"    end="\]" oneline contains=wikiNowiki,wikiNowikiEndTag
+sy region wikiLink start="\[gopher:" end="\]" oneline contains=wikiNowiki,wikiNowikiEndTag
+sy region wikiLink start="\[news:"   end="\]" oneline contains=wikiNowiki,wikiNowikiEndTag
+sy region wikiLink start="\[mailto:" end="\]" oneline contains=wikiNowiki,wikiNowikiEndTag
+
+sy match  wikiTemplateName /{{[^{|}<>\[\]]\+/hs=s+2 contained
+sy region wikiTemplate start="{{" end="}}" keepend extend contains=wikiNowiki,wikiNowikiEndTag,wikiTemplateName,wikiTemplateParam,wikiTemplate,wikiLink
+sy region wikiTemplateParam start="{{{\s*\d" end="}}}" extend contains=wikiTemplateName
+
+sy match wikiParaFormatChar /^[\:|\*|;|#]\+/
+sy match wikiParaFormatChar /^-----*/
+sy match wikiPre            /^\ .*$/         contains=wikiNowiki,wikiNowikiEndTag
+
+" HTML highlighting
+
+hi def link htmlTag            Function
+hi def link htmlEndTag         Identifier
+hi def link htmlArg            Type
+hi def link htmlTagName        htmlStatement
+hi def link htmlSpecialTagName Exception
+hi def link htmlValue          String
+hi def link htmlSpecialChar    Special
+
+if !exists("html_no_rendering")
+  hi def link htmlTitle Title
+  hi def link htmlH1    htmlTitle
+  hi def link htmlH2    htmlTitle
+  hi def link htmlH3    htmlTitle
+  hi def link htmlH4    htmlTitle
+  hi def link htmlH5    htmlTitle
+  hi def link htmlH6    htmlTitle
+
+  hi def link htmlPreProc          PreProc
+  hi def link htmlHead             htmlPreProc
+  hi def link htmlPreProcAttrName  htmlPreProc
+  hi def link htmlPreStmt          htmlPreProc
+
+  hi def link htmlSpecial          Special
+  hi def link htmlCssDefinition    htmlSpecial
+  hi def link htmlEvent            htmlSpecial
+  hi def link htmlSpecialChar      htmlSpecial
+
+  hi def link htmlComment          Comment
+  hi def link htmlCommentPart      htmlComment
+  hi def link htmlCssStyleComment  htmlComment
+
+  hi def link htmlString           String
+  hi def link htmlPreAttr          htmlString
+  hi def link htmlValue            htmlString
+
+  hi def link htmlError            Error
+  hi def link htmlBadArg           htmlError
+  hi def link htmlBadTag           htmlError
+  hi def link htmlCommentError     htmlError
+  hi def link htmlPreError         htmlError
+  hi def link htmlPreProcAttrError htmlError
+  hi def link htmlTagError         htmlError
+
+  hi def link htmlStatement        Statement
+
+  hi def link htmlConstant         Constant
+
+  hi def link htmlBoldItalicUnderline htmlBoldUnderlineItalic
+  hi def link htmlUnderlineItalicBold htmlBoldUnderlineItalic
+  hi def link htmlUnderlineBoldItalic htmlBoldUnderlineItalic
+  hi def link htmlItalicBoldUnderline htmlBoldUnderlineItalic
+  hi def link htmlItalicUnderlineBold htmlBoldUnderlineItalic
+
+  hi def link htmlItalicBold          htmlBoldItalic
+  hi def link htmlItalicUnderline     htmlUnderlineItalic
+  hi def link htmlUnderlineBold       htmlBoldUnderline
+
+  hi def link htmlLink Underlined
+
+  if !exists("html_style_rendering")
+    hi def htmlBold                term=bold                  cterm=bold                  gui=bold
+    hi def htmlBoldUnderline       term=bold,underline        cterm=bold,underline        gui=bold,underline
+    hi def htmlBoldItalic          term=bold,italic           cterm=bold,italic           gui=bold,italic
+    hi def htmlBoldUnderlineItalic term=bold,italic,underline cterm=bold,italic,underline gui=bold,italic,underline
+    hi def htmlUnderline           term=underline             cterm=underline             gui=underline
+    hi def htmlUnderlineItalic     term=italic,underline      cterm=italic,underline      gui=italic,underline
+    hi def htmlItalic              term=italic                cterm=italic                gui=italic
+  endif
+endif
+
+" Wiki highlighting
+
+hi def link wikiItalic        htmlItalic
+hi def link wikiBold          htmlBold
+hi def link wikiBoldItalic    htmlBoldItalic
+hi def link wikiItalicBold    htmlBoldItalic
+hi def link wikiBoldAndItalic htmlBoldItalic
+
+hi def link wikiH1 htmlTitle
+hi def link wikiH2 htmlTitle
+hi def link wikiH3 htmlTitle
+hi def link wikiH4 htmlTitle
+hi def link wikiH5 htmlTitle
+hi def link wikiH6 htmlTitle
+
+hi def link wikiLink           htmlLink
+hi def link wikiTemplate       htmlSpecial
+hi def link wikiTemplateParam  htmlSpecial
+hi def link wikiTemplateName   Type
+hi def link wikiParaFormatChar htmlSpecial
+hi def link wikiPre            htmlConstant
+hi def link wikiRef            htmlComment
+
+hi def link htmlPre            wikiPre
+hi def link wikiSource         wikiPre
+hi def link wikiSyntaxHL       wikiPre
+
+hi def link wikiTableSeparator Statement
+hi def link wikiTableFormatEnd wikiTableSeparator
+hi def link wikiTableHeadingCell htmlBold
+
+let b:current_syntax = "mediawiki"
diff --git a/runtime/syntax/mma.vim b/runtime/syntax/mma.vim
index d2f22e9be5..802cbe5538 100644
--- a/runtime/syntax/mma.vim
+++ b/runtime/syntax/mma.vim
@@ -2,6 +2,7 @@
 " Language:     Mathematica
 " Maintainer:   steve layland <layland@wolfram.com>
 " Last Change:  2012 Feb 03 by Thilo Six
+"               2024 May 24 by Riley Bruins <ribru17@gmail.com> (remove 'commentstring')
 " Source:       http://members.wri.com/layland/vim/syntax/mma.vim
 "               http://vim.sourceforge.net/scripts/script.php?script_id=1273
 " Id:           $Id: mma.vim,v 1.4 2006/04/14 20:40:38 vimboss Exp $
@@ -248,7 +249,6 @@ syntax match mmaBoring "[(){}]" contained
 "syntax region mmaRegion start="(\*\+[^<]*<!--[^>]*\*\+)" end="--> \*)" containedin=ALLBUT,@mmaStrings transparent fold keepend
 
 " show fold text
-set commentstring='(*%s*)'
 "set foldtext=MmaFoldText()
 
 "function MmaFoldText()
diff --git a/runtime/syntax/mysql.vim b/runtime/syntax/mysql.vim
index 8bd7b6459a..49b53313c9 100644
--- a/runtime/syntax/mysql.vim
+++ b/runtime/syntax/mysql.vim
@@ -1,10 +1,13 @@
 " Vim syntax file
 " Language:     mysql
 " Maintainer:   Kenneth J. Pronovici <pronovic@ieee.org>
-" Last Change:  $LastChangedDate: 2016-04-11 10:31:04 -0500 (Mon, 11 Apr 2016) $
 " Filenames:    *.mysql
-" URL:          ftp://cedar-solutions.com/software/mysql.vim
-" Note:         The definitions below are taken from the mysql user manual as of April 2002, for version 3.23
+" URL:          ftp://cedar-solutions.com/software/mysql.vim (https://github.com/pronovic/vim-syntax/blob/master/mysql.vim)
+" Note:         The definitions below are taken from the mysql user manual as of April 2002, for version 3.23 and have been updated
+"               in July 2024 with the docs for version 8.4
+" Last Change:  2016 Apr 11
+"  2024-07-21:  update MySQL functions as of MySQL 8.4 (by Vim Project)
+" 
 
 " quit when a syntax file was already loaded
 if exists("b:current_syntax")
@@ -92,23 +95,23 @@ syn keyword mysqlType            tinytext mediumtext longtext text
 syn keyword mysqlType            tinyblob mediumblob longblob blob
 syn region mysqlType             start="float\W" end="."me=s-1
 syn region mysqlType             start="float$" end="."me=s-1
-syn region mysqlType             start="float(" end=")" contains=mysqlNumber,mysqlVariable
+syn region mysqlType             start="\<float(" end=")" contains=mysqlNumber,mysqlVariable
 syn region mysqlType             start="double\W" end="."me=s-1
 syn region mysqlType             start="double$" end="."me=s-1
-syn region mysqlType             start="double(" end=")" contains=mysqlNumber,mysqlVariable
+syn region mysqlType             start="\<double(" end=")" contains=mysqlNumber,mysqlVariable
 syn region mysqlType             start="double precision\W" end="."me=s-1
 syn region mysqlType             start="double precision$" end="."me=s-1
 syn region mysqlType             start="double precision(" end=")" contains=mysqlNumber,mysqlVariable
 syn region mysqlType             start="real\W" end="."me=s-1
 syn region mysqlType             start="real$" end="."me=s-1
-syn region mysqlType             start="real(" end=")" contains=mysqlNumber,mysqlVariable
-syn region mysqlType             start="numeric(" end=")" contains=mysqlNumber,mysqlVariable
+syn region mysqlType             start="\<real(" end=")" contains=mysqlNumber,mysqlVariable
+syn region mysqlType             start="\<numeric(" end=")" contains=mysqlNumber,mysqlVariable
 syn region mysqlType             start="dec\W" end="."me=s-1
 syn region mysqlType             start="dec$" end="."me=s-1
-syn region mysqlType             start="dec(" end=")" contains=mysqlNumber,mysqlVariable
+syn region mysqlType             start="\<dec(" end=")" contains=mysqlNumber,mysqlVariable
 syn region mysqlType             start="decimal\W" end="."me=s-1
 syn region mysqlType             start="decimal$" end="."me=s-1
-syn region mysqlType             start="decimal(" end=")" contains=mysqlNumber,mysqlVariable
+syn region mysqlType             start="\<decimal(" end=")" contains=mysqlNumber,mysqlVariable
 syn region mysqlType             start="\Wtimestamp\W" end="."me=s-1
 syn region mysqlType             start="\Wtimestamp$" end="."me=s-1
 syn region mysqlType             start="\Wtimestamp(" end=")" contains=mysqlNumber,mysqlVariable
@@ -117,25 +120,42 @@ syn region mysqlType             start="^timestamp$" end="."me=s-1
 syn region mysqlType             start="^timestamp(" end=")" contains=mysqlNumber,mysqlVariable
 syn region mysqlType             start="\Wyear(" end=")" contains=mysqlNumber,mysqlVariable
 syn region mysqlType             start="^year(" end=")" contains=mysqlNumber,mysqlVariable
-syn region mysqlType             start="char(" end=")" contains=mysqlNumber,mysqlVariable
-syn region mysqlType             start="varchar(" end=")" contains=mysqlNumber,mysqlVariable
-syn region mysqlType             start="enum(" end=")" contains=mysqlString,mysqlVariable
+syn region mysqlType             start="\<char(" end=")" contains=mysqlNumber,mysqlVariable
+syn region mysqlType             start="\<varchar(" end=")" contains=mysqlNumber,mysqlVariable
+syn region mysqlType             start="\<enum(" end=")" contains=mysqlString,mysqlVariable
 syn region mysqlType             start="\Wset(" end=")" contains=mysqlString,mysqlVariable
 syn region mysqlType             start="^set(" end=")" contains=mysqlString,mysqlVariable
 
 " Logical, string and  numeric operators
 syn keyword mysqlOperator        between not and or is in like regexp rlike binary exists
-syn region mysqlOperator         start="isnull(" end=")" contains=ALL
-syn region mysqlOperator         start="coalesce(" end=")" contains=ALL
-syn region mysqlOperator         start="interval(" end=")" contains=ALL
+syn region mysqlOperatorFunction start="\<isnull(" end=")" contains=ALL
+syn region mysqlOperatorFunction start="\<coalesce(" end=")" contains=ALL
+syn region mysqlOperatorFunction start="\<interval(" end=")" contains=ALL
 
-" Control flow functions
-syn keyword mysqlFlow            case when then else end
-syn region mysqlFlow             start="ifnull("   end=")"  contains=ALL
-syn region mysqlFlow             start="nullif("   end=")"  contains=ALL
-syn region mysqlFlow             start="if("       end=")"  contains=ALL
+" Flow control functions
+" https://docs.oracle.com/cd/E17952_01/mysql-8.4-en/flow-control-functions.html
+syn keyword mysqlFlowLabel       case when then else end
+syn region mysqlFlowFunction     start="\<ifnull("   end=")"  contains=ALL
+syn region mysqlFlowFunction     start="\<nullif("   end=")"  contains=ALL
+syn region mysqlFlowFunction     start="\<if("       end=")"  contains=ALL
 
-" General Functions
+" Window functions
+" https://docs.oracle.com/cd/E17952_01/mysql-8.4-en/window-functions-usage.html
+syn keyword mysqlWindowKeyword   over partition window
+" https://docs.oracle.com/cd/E17952_01/mysql-8.4-en/window-function-descriptions.html
+syn region  mysqlWindowFunction  start="\<cume_dist(" end=")" contains=ALL
+syn region  mysqlWindowFunction  start="\<dense_rank(" end=")" contains=ALL
+syn region  mysqlWindowFunction  start="\<first_value(" end=")" contains=ALL
+syn region  mysqlWindowFunction  start="\<lag(" end=")" contains=ALL
+syn region  mysqlWindowFunction  start="\<last_value(" end=")" contains=ALL
+syn region  mysqlWindowFunction  start="\<lead(" end=")" contains=ALL
+syn region  mysqlWindowFunction  start="\<nth_value(" end=")" contains=ALL
+syn region  mysqlWindowFunction  start="\<ntile(" end=")" contains=ALL
+syn region  mysqlWindowFunction  start="\<percent_rank(" end=")" contains=ALL
+syn region  mysqlWindowFunction  start="\<rank(" end=")" contains=ALL
+syn region  mysqlWindowFunction  start="\<row_number(" end=")" contains=ALL
+
+" General functions
 "
 " I'm leery of just defining keywords for functions, since according to the MySQL manual:
 "
@@ -147,140 +167,144 @@ syn region mysqlFlow             start="if("       end=")"  contains=ALL
 " region to define them, not just a keyword.  This will probably cause the syntax file
 " to load more slowly, but at least it will be 'correct'.
 
-syn region mysqlFunction         start="abs(" end=")" contains=ALL
-syn region mysqlFunction         start="acos(" end=")" contains=ALL
-syn region mysqlFunction         start="adddate(" end=")" contains=ALL
-syn region mysqlFunction         start="ascii(" end=")" contains=ALL
-syn region mysqlFunction         start="asin(" end=")" contains=ALL
-syn region mysqlFunction         start="atan(" end=")" contains=ALL
-syn region mysqlFunction         start="atan2(" end=")" contains=ALL
-syn region mysqlFunction         start="avg(" end=")" contains=ALL
-syn region mysqlFunction         start="benchmark(" end=")" contains=ALL
-syn region mysqlFunction         start="bin(" end=")" contains=ALL
-syn region mysqlFunction         start="bit_and(" end=")" contains=ALL
-syn region mysqlFunction         start="bit_count(" end=")" contains=ALL
-syn region mysqlFunction         start="bit_or(" end=")" contains=ALL
-syn region mysqlFunction         start="ceiling(" end=")" contains=ALL
-syn region mysqlFunction         start="character_length(" end=")" contains=ALL
-syn region mysqlFunction         start="char_length(" end=")" contains=ALL
-syn region mysqlFunction         start="concat(" end=")" contains=ALL
-syn region mysqlFunction         start="concat_ws(" end=")" contains=ALL
-syn region mysqlFunction         start="connection_id(" end=")" contains=ALL
-syn region mysqlFunction         start="conv(" end=")" contains=ALL
-syn region mysqlFunction         start="cos(" end=")" contains=ALL
-syn region mysqlFunction         start="cot(" end=")" contains=ALL
-syn region mysqlFunction         start="count(" end=")" contains=ALL
-syn region mysqlFunction         start="curdate(" end=")" contains=ALL
-syn region mysqlFunction         start="curtime(" end=")" contains=ALL
-syn region mysqlFunction         start="date_add(" end=")" contains=ALL
-syn region mysqlFunction         start="date_format(" end=")" contains=ALL
-syn region mysqlFunction         start="date_sub(" end=")" contains=ALL
-syn region mysqlFunction         start="dayname(" end=")" contains=ALL
-syn region mysqlFunction         start="dayofmonth(" end=")" contains=ALL
-syn region mysqlFunction         start="dayofweek(" end=")" contains=ALL
-syn region mysqlFunction         start="dayofyear(" end=")" contains=ALL
-syn region mysqlFunction         start="decode(" end=")" contains=ALL
-syn region mysqlFunction         start="degrees(" end=")" contains=ALL
-syn region mysqlFunction         start="elt(" end=")" contains=ALL
-syn region mysqlFunction         start="encode(" end=")" contains=ALL
-syn region mysqlFunction         start="encrypt(" end=")" contains=ALL
-syn region mysqlFunction         start="exp(" end=")" contains=ALL
-syn region mysqlFunction         start="export_set(" end=")" contains=ALL
-syn region mysqlFunction         start="extract(" end=")" contains=ALL
-syn region mysqlFunction         start="field(" end=")" contains=ALL
-syn region mysqlFunction         start="find_in_set(" end=")" contains=ALL
-syn region mysqlFunction         start="floor(" end=")" contains=ALL
-syn region mysqlFunction         start="format(" end=")" contains=ALL
-syn region mysqlFunction         start="from_days(" end=")" contains=ALL
-syn region mysqlFunction         start="from_unixtime(" end=")" contains=ALL
-syn region mysqlFunction         start="get_lock(" end=")" contains=ALL
-syn region mysqlFunction         start="greatest(" end=")" contains=ALL
-syn region mysqlFunction         start="group_unique_users(" end=")" contains=ALL
-syn region mysqlFunction         start="hex(" end=")" contains=ALL
-syn region mysqlFunction         start="inet_aton(" end=")" contains=ALL
-syn region mysqlFunction         start="inet_ntoa(" end=")" contains=ALL
-syn region mysqlFunction         start="instr(" end=")" contains=ALL
-syn region mysqlFunction         start="lcase(" end=")" contains=ALL
-syn region mysqlFunction         start="least(" end=")" contains=ALL
-syn region mysqlFunction         start="length(" end=")" contains=ALL
-syn region mysqlFunction         start="load_file(" end=")" contains=ALL
-syn region mysqlFunction         start="locate(" end=")" contains=ALL
-syn region mysqlFunction         start="log(" end=")" contains=ALL
-syn region mysqlFunction         start="log10(" end=")" contains=ALL
-syn region mysqlFunction         start="lower(" end=")" contains=ALL
-syn region mysqlFunction         start="lpad(" end=")" contains=ALL
-syn region mysqlFunction         start="ltrim(" end=")" contains=ALL
-syn region mysqlFunction         start="make_set(" end=")" contains=ALL
-syn region mysqlFunction         start="master_pos_wait(" end=")" contains=ALL
-syn region mysqlFunction         start="max(" end=")" contains=ALL
-syn region mysqlFunction         start="md5(" end=")" contains=ALL
-syn region mysqlFunction         start="mid(" end=")" contains=ALL
-syn region mysqlFunction         start="min(" end=")" contains=ALL
-syn region mysqlFunction         start="mod(" end=")" contains=ALL
-syn region mysqlFunction         start="monthname(" end=")" contains=ALL
-syn region mysqlFunction         start="now(" end=")" contains=ALL
-syn region mysqlFunction         start="oct(" end=")" contains=ALL
-syn region mysqlFunction         start="octet_length(" end=")" contains=ALL
-syn region mysqlFunction         start="ord(" end=")" contains=ALL
-syn region mysqlFunction         start="period_add(" end=")" contains=ALL
-syn region mysqlFunction         start="period_diff(" end=")" contains=ALL
-syn region mysqlFunction         start="pi(" end=")" contains=ALL
-syn region mysqlFunction         start="position(" end=")" contains=ALL
-syn region mysqlFunction         start="pow(" end=")" contains=ALL
-syn region mysqlFunction         start="power(" end=")" contains=ALL
-syn region mysqlFunction         start="quarter(" end=")" contains=ALL
-syn region mysqlFunction         start="radians(" end=")" contains=ALL
-syn region mysqlFunction         start="rand(" end=")" contains=ALL
-syn region mysqlFunction         start="release_lock(" end=")" contains=ALL
-syn region mysqlFunction         start="repeat(" end=")" contains=ALL
-syn region mysqlFunction         start="reverse(" end=")" contains=ALL
-syn region mysqlFunction         start="round(" end=")" contains=ALL
-syn region mysqlFunction         start="rpad(" end=")" contains=ALL
-syn region mysqlFunction         start="rtrim(" end=")" contains=ALL
-syn region mysqlFunction         start="sec_to_time(" end=")" contains=ALL
-syn region mysqlFunction         start="session_user(" end=")" contains=ALL
-syn region mysqlFunction         start="sign(" end=")" contains=ALL
-syn region mysqlFunction         start="sin(" end=")" contains=ALL
-syn region mysqlFunction         start="soundex(" end=")" contains=ALL
-syn region mysqlFunction         start="space(" end=")" contains=ALL
-syn region mysqlFunction         start="sqrt(" end=")" contains=ALL
-syn region mysqlFunction         start="std(" end=")" contains=ALL
-syn region mysqlFunction         start="stddev(" end=")" contains=ALL
-syn region mysqlFunction         start="strcmp(" end=")" contains=ALL
-syn region mysqlFunction         start="subdate(" end=")" contains=ALL
-syn region mysqlFunction         start="substring(" end=")" contains=ALL
-syn region mysqlFunction         start="substring_index(" end=")" contains=ALL
-syn region mysqlFunction         start="subtime(" end=")" contains=ALL
-syn region mysqlFunction         start="sum(" end=")" contains=ALL
-syn region mysqlFunction         start="sysdate(" end=")" contains=ALL
-syn region mysqlFunction         start="system_user(" end=")" contains=ALL
-syn region mysqlFunction         start="tan(" end=")" contains=ALL
-syn region mysqlFunction         start="time_format(" end=")" contains=ALL
-syn region mysqlFunction         start="time_to_sec(" end=")" contains=ALL
-syn region mysqlFunction         start="to_days(" end=")" contains=ALL
-syn region mysqlFunction         start="trim(" end=")" contains=ALL
-syn region mysqlFunction         start="ucase(" end=")" contains=ALL
-syn region mysqlFunction         start="unique_users(" end=")" contains=ALL
-syn region mysqlFunction         start="unix_timestamp(" end=")" contains=ALL
-syn region mysqlFunction         start="upper(" end=")" contains=ALL
-syn region mysqlFunction         start="user(" end=")" contains=ALL
-syn region mysqlFunction         start="version(" end=")" contains=ALL
-syn region mysqlFunction         start="week(" end=")" contains=ALL
-syn region mysqlFunction         start="weekday(" end=")" contains=ALL
-syn region mysqlFunction         start="yearweek(" end=")" contains=ALL
+syn region mysqlFunction         start="\<abs(" end=")" contains=ALL
+syn region mysqlFunction         start="\<acos(" end=")" contains=ALL
+syn region mysqlFunction         start="\<adddate(" end=")" contains=ALL
+syn region mysqlFunction         start="\<ascii(" end=")" contains=ALL
+syn region mysqlFunction         start="\<asin(" end=")" contains=ALL
+syn region mysqlFunction         start="\<atan(" end=")" contains=ALL
+syn region mysqlFunction         start="\<atan2(" end=")" contains=ALL
+syn region mysqlFunction         start="\<avg(" end=")" contains=ALL
+syn region mysqlFunction         start="\<benchmark(" end=")" contains=ALL
+syn region mysqlFunction         start="\<bin(" end=")" contains=ALL
+syn region mysqlFunction         start="\<bit_and(" end=")" contains=ALL
+syn region mysqlFunction         start="\<bit_count(" end=")" contains=ALL
+syn region mysqlFunction         start="\<bit_or(" end=")" contains=ALL
+syn region mysqlFunction         start="\<ceiling(" end=")" contains=ALL
+syn region mysqlFunction         start="\<character_length(" end=")" contains=ALL
+syn region mysqlFunction         start="\<char_length(" end=")" contains=ALL
+syn region mysqlFunction         start="\<concat(" end=")" contains=ALL
+syn region mysqlFunction         start="\<concat_ws(" end=")" contains=ALL
+syn region mysqlFunction         start="\<connection_id(" end=")" contains=ALL
+syn region mysqlFunction         start="\<conv(" end=")" contains=ALL
+syn region mysqlFunction         start="\<cos(" end=")" contains=ALL
+syn region mysqlFunction         start="\<cot(" end=")" contains=ALL
+syn region mysqlFunction         start="\<count(" end=")" contains=ALL
+syn region mysqlFunction         start="\<curdate(" end=")" contains=ALL
+syn region mysqlFunction         start="\<curtime(" end=")" contains=ALL
+syn region mysqlFunction         start="\<date_add(" end=")" contains=ALL
+syn region mysqlFunction         start="\<date_format(" end=")" contains=ALL
+syn region mysqlFunction         start="\<date_sub(" end=")" contains=ALL
+syn region mysqlFunction         start="\<dayname(" end=")" contains=ALL
+syn region mysqlFunction         start="\<dayofmonth(" end=")" contains=ALL
+syn region mysqlFunction         start="\<dayofweek(" end=")" contains=ALL
+syn region mysqlFunction         start="\<dayofyear(" end=")" contains=ALL
+syn region mysqlFunction         start="\<decode(" end=")" contains=ALL
+syn region mysqlFunction         start="\<degrees(" end=")" contains=ALL
+syn region mysqlFunction         start="\<elt(" end=")" contains=ALL
+syn region mysqlFunction         start="\<encode(" end=")" contains=ALL
+syn region mysqlFunction         start="\<encrypt(" end=")" contains=ALL
+syn region mysqlFunction         start="\<exp(" end=")" contains=ALL
+syn region mysqlFunction         start="\<export_set(" end=")" contains=ALL
+syn region mysqlFunction         start="\<extract(" end=")" contains=ALL
+syn region mysqlFunction         start="\<field(" end=")" contains=ALL
+syn region mysqlFunction         start="\<find_in_set(" end=")" contains=ALL
+syn region mysqlFunction         start="\<floor(" end=")" contains=ALL
+syn region mysqlFunction         start="\<format(" end=")" contains=ALL
+syn region mysqlFunction         start="\<from_days(" end=")" contains=ALL
+syn region mysqlFunction         start="\<from_unixtime(" end=")" contains=ALL
+syn region mysqlFunction         start="\<get_lock(" end=")" contains=ALL
+syn region mysqlFunction         start="\<greatest(" end=")" contains=ALL
+syn region mysqlFunction         start="\<group_unique_users(" end=")" contains=ALL
+syn region mysqlFunction         start="\<hex(" end=")" contains=ALL
+syn region mysqlFunction         start="\<inet_aton(" end=")" contains=ALL
+syn region mysqlFunction         start="\<inet_ntoa(" end=")" contains=ALL
+syn region mysqlFunction         start="\<instr(" end=")" contains=ALL
+syn region mysqlFunction         start="\<lcase(" end=")" contains=ALL
+syn region mysqlFunction         start="\<least(" end=")" contains=ALL
+syn region mysqlFunction         start="\<length(" end=")" contains=ALL
+syn region mysqlFunction         start="\<load_file(" end=")" contains=ALL
+syn region mysqlFunction         start="\<locate(" end=")" contains=ALL
+syn region mysqlFunction         start="\<log(" end=")" contains=ALL
+syn region mysqlFunction         start="\<log10(" end=")" contains=ALL
+syn region mysqlFunction         start="\<lower(" end=")" contains=ALL
+syn region mysqlFunction         start="\<lpad(" end=")" contains=ALL
+syn region mysqlFunction         start="\<ltrim(" end=")" contains=ALL
+syn region mysqlFunction         start="\<make_set(" end=")" contains=ALL
+syn region mysqlFunction         start="\<master_pos_wait(" end=")" contains=ALL
+syn region mysqlFunction         start="\<max(" end=")" contains=ALL
+syn region mysqlFunction         start="\<md5(" end=")" contains=ALL
+syn region mysqlFunction         start="\<mid(" end=")" contains=ALL
+syn region mysqlFunction         start="\<min(" end=")" contains=ALL
+syn region mysqlFunction         start="\<mod(" end=")" contains=ALL
+syn region mysqlFunction         start="\<monthname(" end=")" contains=ALL
+syn region mysqlFunction         start="\<now(" end=")" contains=ALL
+syn region mysqlFunction         start="\<oct(" end=")" contains=ALL
+syn region mysqlFunction         start="\<octet_length(" end=")" contains=ALL
+syn region mysqlFunction         start="\<ord(" end=")" contains=ALL
+syn region mysqlFunction         start="\<period_add(" end=")" contains=ALL
+syn region mysqlFunction         start="\<period_diff(" end=")" contains=ALL
+syn region mysqlFunction         start="\<pi(" end=")" contains=ALL
+syn region mysqlFunction         start="\<position(" end=")" contains=ALL
+syn region mysqlFunction         start="\<pow(" end=")" contains=ALL
+syn region mysqlFunction         start="\<power(" end=")" contains=ALL
+syn region mysqlFunction         start="\<quarter(" end=")" contains=ALL
+syn region mysqlFunction         start="\<radians(" end=")" contains=ALL
+syn region mysqlFunction         start="\<rand(" end=")" contains=ALL
+syn region mysqlFunction         start="\<release_lock(" end=")" contains=ALL
+syn region mysqlFunction         start="\<repeat(" end=")" contains=ALL
+syn region mysqlFunction         start="\<reverse(" end=")" contains=ALL
+syn region mysqlFunction         start="\<round(" end=")" contains=ALL
+syn region mysqlFunction         start="\<rpad(" end=")" contains=ALL
+syn region mysqlFunction         start="\<rtrim(" end=")" contains=ALL
+syn region mysqlFunction         start="\<sec_to_time(" end=")" contains=ALL
+syn region mysqlFunction         start="\<session_user(" end=")" contains=ALL
+syn region mysqlFunction         start="\<sign(" end=")" contains=ALL
+syn region mysqlFunction         start="\<sin(" end=")" contains=ALL
+syn region mysqlFunction         start="\<soundex(" end=")" contains=ALL
+syn region mysqlFunction         start="\<space(" end=")" contains=ALL
+syn region mysqlFunction         start="\<sqrt(" end=")" contains=ALL
+syn region mysqlFunction         start="\<std(" end=")" contains=ALL
+syn region mysqlFunction         start="\<stddev(" end=")" contains=ALL
+syn region mysqlFunction         start="\<strcmp(" end=")" contains=ALL
+syn region mysqlFunction         start="\<subdate(" end=")" contains=ALL
+syn region mysqlFunction         start="\<substring(" end=")" contains=ALL
+syn region mysqlFunction         start="\<substring_index(" end=")" contains=ALL
+syn region mysqlFunction         start="\<subtime(" end=")" contains=ALL
+syn region mysqlFunction         start="\<sum(" end=")" contains=ALL
+syn region mysqlFunction         start="\<sysdate(" end=")" contains=ALL
+syn region mysqlFunction         start="\<system_user(" end=")" contains=ALL
+syn region mysqlFunction         start="\<tan(" end=")" contains=ALL
+syn region mysqlFunction         start="\<time_format(" end=")" contains=ALL
+syn region mysqlFunction         start="\<time_to_sec(" end=")" contains=ALL
+syn region mysqlFunction         start="\<to_days(" end=")" contains=ALL
+syn region mysqlFunction         start="\<trim(" end=")" contains=ALL
+syn region mysqlFunction         start="\<ucase(" end=")" contains=ALL
+syn region mysqlFunction         start="\<unique_users(" end=")" contains=ALL
+syn region mysqlFunction         start="\<unix_timestamp(" end=")" contains=ALL
+syn region mysqlFunction         start="\<upper(" end=")" contains=ALL
+syn region mysqlFunction         start="\<user(" end=")" contains=ALL
+syn region mysqlFunction         start="\<version(" end=")" contains=ALL
+syn region mysqlFunction         start="\<week(" end=")" contains=ALL
+syn region mysqlFunction         start="\<weekday(" end=")" contains=ALL
+syn region mysqlFunction         start="\<yearweek(" end=")" contains=ALL
 
 " Define the default highlighting.
 " Only when an item doesn't have highlighting yet
 
-hi def link mysqlKeyword            Statement
+hi def link mysqlKeyword            Keyword
 hi def link mysqlSpecial            Special
 hi def link mysqlString             String
 hi def link mysqlNumber             Number
 hi def link mysqlVariable           Identifier
 hi def link mysqlComment            Comment
 hi def link mysqlType               Type
-hi def link mysqlOperator           Statement
-hi def link mysqlFlow               Statement
+hi def link mysqlOperator           Operator
+hi def link mysqlOperatorFunction   Function
+hi def link mysqlFlowFunction       Function
+hi def link mysqlFlowLabel          Label
+hi def link mysqlWindowFunction     Function
+hi def link mysqlWindowKeyword      Keyword
 hi def link mysqlFunction           Function
 
 
diff --git a/runtime/syntax/ocaml.vim b/runtime/syntax/ocaml.vim
index af3efd3dab..04ba39203d 100644
--- a/runtime/syntax/ocaml.vim
+++ b/runtime/syntax/ocaml.vim
@@ -6,6 +6,7 @@
 "               Issac Trotts      <ijtrotts@ucdavis.edu>
 " URL:          https://github.com/ocaml/vim-ocaml
 " Last Change:
+"               2019 Nov 05 - Accurate type highlighting (Maëlan)
 "               2018 Nov 08 - Improved highlighting of operators (Maëlan)
 "               2018 Apr 22 - Improved support for PPX (Andrey Popp)
 "               2018 Mar 16 - Remove raise, lnot and not from keywords (Étienne Millon, "copy")
@@ -38,25 +39,18 @@ syn case match
 " Access to the method of an object
 syn match    ocamlMethod       "#"
 
-" Script headers highlighted like comments
-syn match    ocamlComment   "^#!.*" contains=@Spell
-
 " Scripting directives
 syn match    ocamlScript "^#\<\(quit\|labels\|warnings\|warn_error\|directory\|remove_directory\|cd\|load\|load_rec\|use\|mod_use\|install_printer\|remove_printer\|require\|list\|ppx\|principal\|predicates\|rectypes\|thread\|trace\|untrace\|untrace_all\|print_depth\|print_length\|camlp4o\|camlp4r\|topfind_log\|topfind_verbose\)\>"
 
 " lowercase identifier - the standard way to match
 syn match    ocamlLCIdentifier /\<\(\l\|_\)\(\w\|'\)*\>/
 
-syn match    ocamlKeyChar    "|"
-
 " Errors
 syn match    ocamlBraceErr   "}"
 syn match    ocamlBrackErr   "\]"
 syn match    ocamlParenErr   ")"
 syn match    ocamlArrErr     "|]"
 
-syn match    ocamlCommentErr "\*)"
-
 syn match    ocamlCountErr   "\<downto\>"
 syn match    ocamlCountErr   "\<to\>"
 
@@ -75,19 +69,22 @@ else
   syn match    ocamlEndErr     "\<end\>"
 endif
 
-" Some convenient clusters
-syn cluster  ocamlAllErrs contains=ocamlBraceErr,ocamlBrackErr,ocamlParenErr,ocamlCommentErr,ocamlCountErr,ocamlDoErr,ocamlDoneErr,ocamlEndErr,ocamlThenErr
+" These keywords are only expected nested in constructions that are handled by
+" the type linter, so outside of type contexts we highlight them as errors:
+syn match    ocamlKwErr  "\<\(mutable\|nonrec\|of\|private\)\>"
 
-syn cluster  ocamlAENoParen contains=ocamlBraceErr,ocamlBrackErr,ocamlCommentErr,ocamlCountErr,ocamlDoErr,ocamlDoneErr,ocamlEndErr,ocamlThenErr
+" Some convenient clusters
+syn cluster  ocamlAllErrs contains=@ocamlAENoParen,ocamlParenErr
+syn cluster  ocamlAENoParen contains=ocamlBraceErr,ocamlBrackErr,ocamlCountErr,ocamlDoErr,ocamlDoneErr,ocamlEndErr,ocamlThenErr,ocamlKwErr
 
-syn cluster  ocamlContained contains=ocamlTodo,ocamlPreDef,ocamlModParam,ocamlModParam1,ocamlMPRestr,ocamlMPRestr1,ocamlMPRestr2,ocamlMPRestr3,ocamlModRHS,ocamlFuncWith,ocamlFuncStruct,ocamlModTypeRestr,ocamlModTRWith,ocamlWith,ocamlWithRest,ocamlModType,ocamlFullMod,ocamlVal
+syn cluster  ocamlContained contains=ocamlTodo,ocamlPreDef,ocamlModParam,ocamlModParam1,ocamlModTypePre,ocamlModRHS,ocamlFuncWith,ocamlModTypeRestr,ocamlModTRWith,ocamlWith,ocamlWithRest,ocamlFullMod,ocamlVal
 
 
 " Enclosing delimiters
-syn region   ocamlEncl transparent matchgroup=ocamlKeyword start="(" matchgroup=ocamlKeyword end=")" contains=ALLBUT,@ocamlContained,ocamlParenErr
-syn region   ocamlEncl transparent matchgroup=ocamlKeyword start="{" matchgroup=ocamlKeyword end="}"  contains=ALLBUT,@ocamlContained,ocamlBraceErr
-syn region   ocamlEncl transparent matchgroup=ocamlKeyword start="\[" matchgroup=ocamlKeyword end="\]" contains=ALLBUT,@ocamlContained,ocamlBrackErr
-syn region   ocamlEncl transparent matchgroup=ocamlKeyword start="\[|" matchgroup=ocamlKeyword end="|\]" contains=ALLBUT,@ocamlContained,ocamlArrErr
+syn region   ocamlNone transparent matchgroup=ocamlEncl start="(" matchgroup=ocamlEncl end=")" contains=ALLBUT,@ocamlContained,ocamlParenErr
+syn region   ocamlNone transparent matchgroup=ocamlEncl start="{" matchgroup=ocamlEncl end="}"  contains=ALLBUT,@ocamlContained,ocamlBraceErr
+syn region   ocamlNone transparent matchgroup=ocamlEncl start="\[" matchgroup=ocamlEncl end="\]" contains=ALLBUT,@ocamlContained,ocamlBrackErr
+syn region   ocamlNone transparent matchgroup=ocamlEncl start="\[|" matchgroup=ocamlEncl end="|\]" contains=ALLBUT,@ocamlContained,ocamlArrErr
 
 
 " Comments
@@ -124,10 +121,6 @@ syn region ocamlPpx matchgroup=ocamlPpxEncl start="\[@\{1,3\}" contains=TOP end=
 
 "" Modules
 
-" "sig"
-syn region   ocamlSig matchgroup=ocamlSigEncl start="\<sig\>" matchgroup=ocamlSigEncl end="\<end\>" contains=ALLBUT,@ocamlContained,ocamlEndErr,ocamlModule
-syn region   ocamlModSpec matchgroup=ocamlKeyword start="\<module\>" matchgroup=ocamlModule end="\<\u\(\w\|'\)*\>" contained contains=@ocamlAllErrs,ocamlComment skipwhite skipempty nextgroup=ocamlModTRWith,ocamlMPRestr
-
 " "open"
 syn match   ocamlKeyword "\<open\>" skipwhite skipempty nextgroup=ocamlFullMod
 
@@ -135,51 +128,66 @@ syn match   ocamlKeyword "\<open\>" skipwhite skipempty nextgroup=ocamlFullMod
 syn match    ocamlKeyword "\<include\>" skipwhite skipempty nextgroup=ocamlModParam,ocamlFullMod
 
 " "module" - somewhat complicated stuff ;-)
-syn region   ocamlModule matchgroup=ocamlKeyword start="\<module\>" matchgroup=ocamlModule end="\<\u\(\w\|'\)*\>" contains=@ocamlAllErrs,ocamlComment skipwhite skipempty nextgroup=ocamlPreDef
-syn region   ocamlPreDef start="."me=e-1 matchgroup=ocamlKeyword end="\l\|=\|)"me=e-1 contained contains=@ocamlAllErrs,ocamlComment,ocamlModParam,ocamlGenMod,ocamlModTypeRestr,ocamlModTRWith nextgroup=ocamlModPreRHS
-syn region   ocamlModParam start="([^*]" end=")" contained contains=ocamlGenMod,ocamlModParam1,ocamlSig,ocamlVal
+" 2022-10: please document it?
+syn region   ocamlModule matchgroup=ocamlKeyword start="\<module\>" matchgroup=ocamlModule end="\<_\|\u\(\w\|'\)*\>" contains=@ocamlAllErrs,ocamlComment skipwhite skipempty nextgroup=ocamlPreDef
+syn region   ocamlPreDef start="."me=e-1 end="[a-z:=)]\@=" contained contains=@ocamlAllErrs,ocamlComment,ocamlModParam,ocamlGenMod,ocamlModTypeRestr nextgroup=ocamlModTypePre,ocamlModPreRHS
+syn region   ocamlModParam start="(\*\@!" end=")" contained contains=ocamlGenMod,ocamlModParam,ocamlModParam1,ocamlSig,ocamlVal
 syn match    ocamlModParam1 "\<\u\(\w\|'\)*\>" contained skipwhite skipempty
 syn match    ocamlGenMod "()" contained skipwhite skipempty
 
-syn region   ocamlMPRestr start=":" end="."me=e-1 contained contains=@ocamlComment skipwhite skipempty nextgroup=ocamlMPRestr1,ocamlMPRestr2,ocamlMPRestr3
-syn region   ocamlMPRestr1 matchgroup=ocamlSigEncl start="\ssig\s\=" matchgroup=ocamlSigEncl end="\<end\>" contained contains=ALLBUT,@ocamlContained,ocamlEndErr,ocamlModule
-syn region   ocamlMPRestr2 start="\sfunctor\(\s\|(\)\="me=e-1 matchgroup=ocamlKeyword end="->" contained contains=@ocamlAllErrs,ocamlComment,ocamlModParam,ocamlGenMod skipwhite skipempty nextgroup=ocamlFuncWith,ocamlMPRestr2
-syn match    ocamlMPRestr3 "\w\(\w\|'\)*\( *\. *\w\(\w\|'\)*\)*" contained
+syn match    ocamlModTypePre ":" contained skipwhite skipempty nextgroup=ocamlModTRWith,ocamlSig,ocamlFunctor,ocamlModTypeRestr,ocamlModTypeOf
+syn match    ocamlModTypeRestr "\<\w\(\w\|'\)*\( *\. *\w\(\w\|'\)*\)*\>" contained
+
 syn match    ocamlModPreRHS "=" contained skipwhite skipempty nextgroup=ocamlModParam,ocamlFullMod
 syn keyword  ocamlKeyword val
-syn region   ocamlVal matchgroup=ocamlKeyword start="\<val\>" matchgroup=ocamlLCIdentifier end="\<\l\(\w\|'\)*\>" contains=@ocamlAllErrs,ocamlComment,ocamlFullMod skipwhite skipempty nextgroup=ocamlMPRestr
+syn region   ocamlVal matchgroup=ocamlKeyword start="\<val\>" matchgroup=ocamlLCIdentifier end="\<\l\(\w\|'\)*\>" contains=@ocamlAllErrs,ocamlComment,ocamlFullMod skipwhite skipempty nextgroup=ocamlModTypePre
 syn region   ocamlModRHS start="." end=". *\w\|([^*]"me=e-2 contained contains=ocamlComment skipwhite skipempty nextgroup=ocamlModParam,ocamlFullMod
 syn match    ocamlFullMod "\<\u\(\w\|'\)*\( *\. *\u\(\w\|'\)*\)*" contained skipwhite skipempty nextgroup=ocamlFuncWith
 
-syn region   ocamlFuncWith start="([^*)]"me=e-1 end=")" contained contains=ocamlComment,ocamlWith,ocamlFuncStruct skipwhite skipempty nextgroup=ocamlFuncWith
-syn region   ocamlFuncStruct matchgroup=ocamlStructEncl start="[^a-zA-Z]struct\>"hs=s+1 matchgroup=ocamlStructEncl end="\<end\>" contains=ALLBUT,@ocamlContained,ocamlEndErr
+syn region   ocamlFuncWith start="([*)]\@!" end=")" contained contains=ocamlComment,ocamlWith,ocamlStruct skipwhite skipempty nextgroup=ocamlFuncWith
 
-syn match    ocamlModTypeRestr "\<\w\(\w\|'\)*\( *\. *\w\(\w\|'\)*\)*\>" contained
-syn region   ocamlModTRWith start=":\s*("hs=s+1 end=")" contained contains=@ocamlAENoParen,ocamlWith
+syn region   ocamlModTRWith start="(\*\@!" end=")" contained contains=@ocamlAENoParen,ocamlWith
 syn match    ocamlWith "\<\(\u\(\w\|'\)* *\. *\)*\w\(\w\|'\)*\>" contained skipwhite skipempty nextgroup=ocamlWithRest
 syn region   ocamlWithRest start="[^)]" end=")"me=e-1 contained contains=ALLBUT,@ocamlContained
 
 " "struct"
 syn region   ocamlStruct matchgroup=ocamlStructEncl start="\<\(module\s\+\)\=struct\>" matchgroup=ocamlStructEncl end="\<end\>" contains=ALLBUT,@ocamlContained,ocamlEndErr
 
+" "sig"
+syn region   ocamlSig matchgroup=ocamlSigEncl start="\<sig\>" matchgroup=ocamlSigEncl end="\<end\>" contains=ALLBUT,@ocamlContained,ocamlEndErr
+
+" "functor"
+syn region   ocamlFunctor start="\<functor\>" matchgroup=ocamlKeyword end="->" contains=@ocamlAllErrs,ocamlComment,ocamlModParam,ocamlGenMod skipwhite skipempty nextgroup=ocamlStruct,ocamlSig,ocamlFuncWith,ocamlFunctor
+
 " "module type"
-syn region   ocamlKeyword start="\<module\>\s*\<type\>\(\s*\<of\>\)\=" matchgroup=ocamlModule end="\<\w\(\w\|'\)*\>" contains=ocamlComment skipwhite skipempty nextgroup=ocamlMTDef
+syn region   ocamlModTypeOf start="\<module\s\+type\(\s\+of\)\=\>" matchgroup=ocamlModule end="\<\w\(\w\|'\)*\>" contains=ocamlComment skipwhite skipempty nextgroup=ocamlMTDef
 syn match    ocamlMTDef "=\s*\w\(\w\|'\)*\>"hs=s+1,me=s+1 skipwhite skipempty nextgroup=ocamlFullMod
 
 " Quoted strings
 syn region ocamlString matchgroup=ocamlQuotedStringDelim start="{\z\([a-z_]*\)|" end="|\z1}" contains=@Spell
+syn region ocamlString matchgroup=ocamlQuotedStringDelim start="{%[a-z_]\+\(\.[a-z_]\+\)\?\( \z\([a-z_]\+\)\)\?|" end="|\z1}" contains=@Spell
 
 syn keyword  ocamlKeyword  and as assert class
-syn keyword  ocamlKeyword  constraint else
-syn keyword  ocamlKeyword  exception external fun
-
+syn keyword  ocamlKeyword  else
+syn keyword  ocamlKeyword  external
 syn keyword  ocamlKeyword  in inherit initializer
 syn keyword  ocamlKeyword  lazy let match
-syn keyword  ocamlKeyword  method mutable new nonrec of
-syn keyword  ocamlKeyword  parser private rec
-syn keyword  ocamlKeyword  try type
+syn keyword  ocamlKeyword  method new
+syn keyword  ocamlKeyword  parser rec
+syn keyword  ocamlKeyword  try
 syn keyword  ocamlKeyword  virtual when while with
 
+" Keywords which are handled by the type linter:
+"     as (within a type equation)
+"     constraint exception mutable nonrec of private type
+
+" The `fun` keyword has special treatment because of the syntax `fun … : t -> e`
+" where `->` ends the type context rather than being part of it; to handle that,
+" we blacklist the ocamlTypeAnnot matchgroup, and we plug ocamlFunTypeAnnot
+" instead (later in this file, by using containedin=ocamlFun):
+syn region ocamlFun matchgroup=ocamlKeyword start='\<fun\>' matchgroup=ocamlArrow end='->'
+\ contains=ALLBUT,@ocamlContained,ocamlArrow,ocamlInfixOp,ocamlTypeAnnot
+
 if exists("ocaml_revised")
   syn keyword  ocamlKeyword  do value
   syn keyword  ocamlBoolean  True False
@@ -188,14 +196,10 @@ else
   syn keyword  ocamlBoolean  true false
 endif
 
-syn keyword  ocamlType     array bool char exn float format format4
-syn keyword  ocamlType     int int32 int64 lazy_t list nativeint option
-syn keyword  ocamlType     bytes string unit
-
-syn match    ocamlConstructor  "(\s*)"
-syn match    ocamlConstructor  "\[\s*\]"
-syn match    ocamlConstructor  "\[|\s*>|]"
-syn match    ocamlConstructor  "\[<\s*>\]"
+syn match    ocamlEmptyConstructor  "(\s*)"
+syn match    ocamlEmptyConstructor  "\[\s*\]"
+syn match    ocamlEmptyConstructor  "\[|\s*>|]"
+syn match    ocamlEmptyConstructor  "\[<\s*>\]"
 syn match    ocamlConstructor  "\u\(\w\|'\)*\>"
 
 " Polymorphic variants
@@ -210,26 +214,24 @@ syn match    ocamlCharErr      "'\\\d\d'\|'\\\d'"
 syn match    ocamlCharErr      "'\\[^\'ntbr]'"
 syn region   ocamlString       start=+"+ skip=+\\\\\|\\"+ end=+"+ contains=@Spell
 
-syn match    ocamlTopStop      ";;"
-
 syn match    ocamlAnyVar       "\<_\>"
-syn match    ocamlKeyChar      "|[^\]]"me=e-1
+syn match    ocamlKeyChar      "|]\@!"
 syn match    ocamlKeyChar      ";"
 syn match    ocamlKeyChar      "\~"
 syn match    ocamlKeyChar      "?"
 
+" NOTE: for correct precedence, the rule for ";;" must come after that for ";"
+syn match    ocamlTopStop      ";;"
+
 "" Operators
 
 " The grammar of operators is found there:
 "     https://caml.inria.fr/pub/docs/manual-ocaml/names.html#operator-name
 "     https://caml.inria.fr/pub/docs/manual-ocaml/extn.html#s:ext-ops
 "     https://caml.inria.fr/pub/docs/manual-ocaml/extn.html#s:index-operators
-" =, *, < and > are both operator names and keywords, we let the user choose how
-" to display them (has to be declared before regular infix operators):
+" = is both an operator name and a keyword, we let the user choose how
+" to display it (has to be declared before regular infix operators):
 syn match    ocamlEqual        "="
-syn match    ocamlStar         "*"
-syn match    ocamlAngle        "<"
-syn match    ocamlAngle        ">"
 " Custom indexing operators:
 syn region   ocamlIndexing matchgroup=ocamlIndexingOp
   \ start="\.[~?!:|&$%=>@^/*+-][~?!.:|&$%<=>@^*/+-]*\_s*("
@@ -248,8 +250,8 @@ syn match    ocamlExtensionOp          "#[#~?!.:|&$%<=>@^*/+-]\+"
 " Infix and prefix operators:
 syn match    ocamlPrefixOp              "![~?!.:|&$%<=>@^*/+-]*"
 syn match    ocamlPrefixOp           "[~?][~?!.:|&$%<=>@^*/+-]\+"
-syn match    ocamlInfixOp      "[&$%@^/+-][~?!.:|&$%<=>@^*/+-]*"
-syn match    ocamlInfixOp         "[|<=>*][~?!.:|&$%<=>@^*/+-]\+"
+syn match    ocamlInfixOp   "[&$%<>@^*/+-][~?!.:|&$%<=>@^*/+-]*"
+syn match    ocamlInfixOp            "[|=][~?!.:|&$%<=>@^*/+-]\+"
 syn match    ocamlInfixOp               "#[~?!.:|&$%<=>@^*/+-]\+#\@!"
 syn match    ocamlInfixOp              "!=[~?!.:|&$%<=>@^*/+-]\@!"
 syn keyword  ocamlInfixOpKeyword      asr land lor lsl lsr lxor mod or
@@ -266,6 +268,9 @@ else
   syn match    ocamlKeyChar    "<-[~?!.:|&$%<=>@^*/+-]\@!"
 endif
 
+" Script shebang (has to be declared after operators)
+syn match    ocamlShebang       "\%1l^#!.*$"
+
 syn match    ocamlNumber        "-\=\<\d\(_\|\d\)*[l|L|n]\?\>"
 syn match    ocamlNumber        "-\=\<0[x|X]\(\x\|_\)\+[l|L|n]\?\>"
 syn match    ocamlNumber        "-\=\<0[o|O]\(\o\|_\)\+[l|L|n]\?\>"
@@ -273,10 +278,264 @@ syn match    ocamlNumber        "-\=\<0[b|B]\([01]\|_\)\+[l|L|n]\?\>"
 syn match    ocamlFloat         "-\=\<\d\(_\|\d\)*\.\?\(_\|\d\)*\([eE][-+]\=\d\(_\|\d\)*\)\=\>"
 
 " Labels
-syn match    ocamlLabel        "\~\(\l\|_\)\(\w\|'\)*"lc=1
-syn match    ocamlLabel        "?\(\l\|_\)\(\w\|'\)*"lc=1
+syn match    ocamlLabel        "[~?]\(\l\|_\)\(\w\|'\)*:\?"
 syn region   ocamlLabel transparent matchgroup=ocamlLabel start="[~?](\(\l\|_\)\(\w\|'\)*"lc=2 end=")"me=e-1 contains=ALLBUT,@ocamlContained,ocamlParenErr
 
+""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
+
+"" Type contexts
+
+" How we recognize type contexts is explained in `type-linter-notes.md`
+" and a test suite is found in `type-linter-test.ml`.
+"
+" ocamlTypeExpr is the cluster of things that can make up a type expression
+" (in a loose sense, e.g. the “as” keyword and universal quantification are
+" included). Regions containing a type expression use it like this:
+"
+"     contains=@ocamlTypeExpr,...
+"
+" ocamlTypeContained is the cluster of things that can be found in a type
+" expression or a type definition. It is not expected to be used in any region,
+" it exists solely for throwing things in it that should not pollute the main
+" linter.
+"
+" Both clusters are filled in incrementally. Every match group that is not to be
+" found at the main level must be declared as “contained” and added to either
+" ocamlTypeExpr or ocamlTypeContained.
+"
+" In these clusters we don’t put generic things that can also be found elswhere,
+" i.e. ocamlComment and ocamlPpx, because everything that is in these clusters
+" is also put in ocamlContained and thus ignored by the main linter.
+
+"syn cluster ocamlTypeExpr contains=
+syn cluster ocamlTypeContained contains=@ocamlTypeExpr
+syn cluster ocamlContained add=@ocamlTypeContained
+
+" We’ll use a “catch-all” highlighting group to show as error anything that is
+" not matched more specifically; we don’t want spaces to be reported as errors
+" (different background color), so we just catch them here:
+syn cluster ocamlTypeExpr add=ocamlTypeBlank
+syn match    ocamlTypeBlank    contained  "\_s\+"
+hi link ocamlTypeBlank NONE
+
+" NOTE: Carefully avoid catching "(*" here.
+syn cluster ocamlTypeExpr add=ocamlTypeParen
+syn region ocamlTypeParen contained transparent
+\ matchgroup=ocamlEncl start="(\*\@!"
+\ matchgroup=ocamlEncl end=")"
+\ contains=@ocamlTypeExpr,ocamlComment,ocamlPpx
+
+syn cluster ocamlTypeExpr add=ocamlTypeKeyChar,ocamlTypeAs
+syn match    ocamlTypeKeyChar  contained  "->"
+syn match    ocamlTypeKeyChar  contained  "\*"
+syn match    ocamlTypeKeyChar  contained  "#"
+syn match    ocamlTypeKeyChar  contained  ","
+syn match    ocamlTypeKeyChar  contained  "\."
+syn keyword  ocamlTypeAs       contained  as
+hi link ocamlTypeAs ocamlKeyword
+
+syn cluster ocamlTypeExpr add=ocamlTypeVariance
+syn match ocamlTypeVariance contained "[-+!]\ze *\('\|\<_\>\)"
+syn match ocamlTypeVariance contained "[-+] *!\+\ze *\('\|\<_\>\)"
+syn match ocamlTypeVariance contained "! *[-+]\+\ze *\('\|\<_\>\)"
+
+syn cluster ocamlTypeContained add=ocamlTypeEq
+syn match    ocamlTypeEq       contained  "[+:]\?="
+hi link ocamlTypeEq ocamlKeyChar
+
+syn cluster ocamlTypeExpr add=ocamlTypeVar,ocamlTypeConstr,ocamlTypeAnyVar,ocamlTypeBuiltin
+syn match    ocamlTypeVar      contained   "'\(\l\|_\)\(\w\|'\)*\>"
+syn match    ocamlTypeConstr   contained  "\<\(\l\|_\)\(\w\|'\)*\>"
+" NOTE: for correct precedence, the rule for the wildcard (ocamlTypeAnyVar)
+" must come after the rule for type constructors (ocamlTypeConstr).
+syn match    ocamlTypeAnyVar   contained  "\<_\>"
+" NOTE: For correct precedence, these builtin names must occur after the rule
+" for type constructors (ocamlTypeConstr) but before the rule for non-optional
+" labeled arguments (ocamlTypeLabel). For the latter to take precedence over
+" these builtin names, we use “syn match” here instead of “syn keyword”.
+syn match    ocamlTypeBuiltin  contained  "\<array\>"
+syn match    ocamlTypeBuiltin  contained  "\<bool\>"
+syn match    ocamlTypeBuiltin  contained  "\<bytes\>"
+syn match    ocamlTypeBuiltin  contained  "\<char\>"
+syn match    ocamlTypeBuiltin  contained  "\<exn\>"
+syn match    ocamlTypeBuiltin  contained  "\<float\>"
+syn match    ocamlTypeBuiltin  contained  "\<format\>"
+syn match    ocamlTypeBuiltin  contained  "\<format4\>"
+syn match    ocamlTypeBuiltin  contained  "\<format6\>"
+syn match    ocamlTypeBuiltin  contained  "\<in_channel\>"
+syn match    ocamlTypeBuiltin  contained  "\<int\>"
+syn match    ocamlTypeBuiltin  contained  "\<int32\>"
+syn match    ocamlTypeBuiltin  contained  "\<int64\>"
+syn match    ocamlTypeBuiltin  contained  "\<lazy_t\>"
+syn match    ocamlTypeBuiltin  contained  "\<list\>"
+syn match    ocamlTypeBuiltin  contained  "\<nativeint\>"
+syn match    ocamlTypeBuiltin  contained  "\<option\>"
+syn match    ocamlTypeBuiltin  contained  "\<out_channel\>"
+syn match    ocamlTypeBuiltin  contained  "\<ref\>"
+syn match    ocamlTypeBuiltin  contained  "\<result\>"
+syn match    ocamlTypeBuiltin  contained  "\<scanner\>"
+syn match    ocamlTypeBuiltin  contained  "\<string\>"
+syn match    ocamlTypeBuiltin  contained  "\<unit\>"
+
+syn cluster ocamlTypeExpr add=ocamlTypeLabel
+syn match    ocamlTypeLabel    contained  "?\?\(\l\|_\)\(\w\|'\)*\_s*:[>=]\@!"
+hi link ocamlTypeLabel ocamlLabel
+
+" Object type
+syn cluster ocamlTypeExpr add=ocamlTypeObject
+syn region ocamlTypeObject contained
+\ matchgroup=ocamlEncl start="<"
+\ matchgroup=ocamlEncl end=">"
+\ contains=ocamlTypeObjectDots,ocamlLCIdentifier,ocamlTypeObjectAnnot,ocamlTypeBlank,ocamlComment,ocamlPpx
+hi link ocamlTypeObject ocamlTypeCatchAll
+syn cluster ocamlTypeContained add=ocamlTypeObjectDots
+syn match ocamlTypeObjectDots contained "\.\."
+hi link ocamlTypeObjectDots ocamlKeyChar
+syn cluster ocamlTypeContained add=ocamlTypeObjectAnnot
+syn region ocamlTypeObjectAnnot contained
+\ matchgroup=ocamlKeyChar start=":"
+\ matchgroup=ocamlKeyChar end=";\|>\@="
+\ contains=@ocamlTypeExpr,ocamlComment,ocamlPpx
+hi link ocamlTypeObjectAnnot ocamlTypeCatchAll
+
+" Record type definition
+syn cluster ocamlTypeContained add=ocamlTypeRecordDecl
+syn region ocamlTypeRecordDecl contained
+\ matchgroup=ocamlEncl start="{"
+\ matchgroup=ocamlEncl end="}"
+\ contains=ocamlTypeMutable,ocamlLCIdentifier,ocamlTypeRecordAnnot,ocamlTypeBlank,ocamlComment,ocamlPpx
+hi link ocamlTypeRecordDecl ocamlTypeCatchAll
+syn cluster ocamlTypeContained add=ocamlTypeMutable
+syn keyword ocamlTypeMutable contained mutable
+hi link ocamlTypeMutable ocamlKeyword
+syn cluster ocamlTypeContained add=ocamlTypeRecordAnnot
+syn region ocamlTypeRecordAnnot contained
+\ matchgroup=ocamlKeyChar start=":"
+\ matchgroup=ocamlKeyChar end=";\|}\@="
+\ contains=@ocamlTypeExpr,ocamlComment,ocamlPpx
+hi link ocamlTypeRecordAnnot ocamlTypeCatchAll
+
+" Polymorphic variant types
+" NOTE: Carefully avoid catching "[@" here.
+syn cluster ocamlTypeExpr add=ocamlTypeVariant
+syn region ocamlTypeVariant contained
+\ matchgroup=ocamlEncl start="\[>" start="\[<" start="\[@\@!"
+\ matchgroup=ocamlEncl end="\]"
+\ contains=ocamlTypeVariantKeyChar,ocamlTypeVariantConstr,ocamlTypeVariantAnnot,ocamlTypeBlank,ocamlComment,ocamlPpx
+hi link ocamlTypeVariant ocamlTypeCatchAll
+syn cluster ocamlTypeContained add=ocamlTypeVariantKeyChar
+syn match ocamlTypeVariantKeyChar contained "|"
+syn match ocamlTypeVariantKeyChar contained ">"
+hi link ocamlTypeVariantKeyChar ocamlKeyChar
+syn cluster ocamlTypeContained add=ocamlTypeVariantConstr
+syn match ocamlTypeVariantConstr contained "`\w\(\w\|'\)*\>"
+hi link ocamlTypeVariantConstr ocamlConstructor
+syn cluster ocamlTypeContained add=ocamlTypeVariantAnnot
+syn region ocamlTypeVariantAnnot contained
+\ matchgroup=ocamlKeyword start="\<of\>"
+\ matchgroup=ocamlKeyChar end="|\|>\|\]\@="
+\ contains=@ocamlTypeExpr,ocamlTypeAmp,ocamlComment,ocamlPpx
+hi link ocamlTypeVariantAnnot ocamlTypeCatchAll
+syn cluster ocamlTypeContained add=ocamlTypeAmp
+syn match ocamlTypeAmp contained "&"
+hi link ocamlTypeAmp ocamlTypeKeyChar
+
+" Sum type definition
+syn cluster ocamlTypeContained add=ocamlTypeSumDecl
+syn region ocamlTypeSumDecl contained
+\ matchgroup=ocamlTypeSumBar    start="|"
+\ matchgroup=ocamlTypeSumConstr start="\<\u\(\w\|'\)*\>"
+\ matchgroup=ocamlTypeSumConstr start="\<false\>" start="\<true\>"
+\ matchgroup=ocamlTypeSumConstr start="(\_s*)" start="\[\_s*]" start="(\_s*::\_s*)"
+\ matchgroup=NONE end="\(\<type\>\|\<exception\>\|\<val\>\|\<module\>\|\<class\>\|\<method\>\|\<constraint\>\|\<inherit\>\|\<object\>\|\<struct\>\|\<open\>\|\<include\>\|\<let\>\|\<external\>\|\<in\>\|\<end\>\|)\|]\|}\|;\|;;\|=\)\@="
+\ matchgroup=NONE end="\(\<and\>\)\@="
+\ contains=ocamlTypeSumBar,ocamlTypeSumConstr,ocamlTypeSumAnnot,ocamlTypeBlank,ocamlComment,ocamlPpx
+hi link ocamlTypeSumDecl ocamlTypeCatchAll
+syn cluster ocamlTypeContained add=ocamlTypeSumBar
+syn match ocamlTypeSumBar contained "|"
+hi link ocamlTypeSumBar ocamlKeyChar
+syn cluster ocamlTypeContained add=ocamlTypeSumConstr
+syn match ocamlTypeSumConstr contained "\<\u\(\w\|'\)*\>"
+syn match ocamlTypeSumConstr contained "\<false\>"
+syn match ocamlTypeSumConstr contained "\<true\>"
+syn match ocamlTypeSumConstr contained "(\_s*)"
+syn match ocamlTypeSumConstr contained "\[\_s*]"
+syn match ocamlTypeSumConstr contained "(\_s*::\_s*)"
+hi link ocamlTypeSumConstr ocamlConstructor
+syn cluster ocamlTypeContained add=ocamlTypeSumAnnot
+syn region ocamlTypeSumAnnot contained
+\ matchgroup=ocamlKeyword start="\<of\>"
+\ matchgroup=ocamlKeyChar start=":"
+\ matchgroup=NONE end="|\@="
+\ matchgroup=NONE end="\(\<type\>\|\<exception\>\|\<val\>\|\<module\>\|\<class\>\|\<method\>\|\<constraint\>\|\<inherit\>\|\<object\>\|\<struct\>\|\<open\>\|\<include\>\|\<let\>\|\<external\>\|\<in\>\|\<end\>\|)\|]\|}\|;\|;;\)\@="
+\ matchgroup=NONE end="\(\<and\>\)\@="
+\ contains=@ocamlTypeExpr,ocamlTypeRecordDecl,ocamlComment,ocamlPpx
+hi link ocamlTypeSumAnnot ocamlTypeCatchAll
+
+" Type context opened by “type” (type definition), “constraint” (type
+" constraint) and “exception” (exception definition)
+syn region ocamlTypeDef
+\ matchgroup=ocamlKeyword start="\<type\>\(\_s\+\<nonrec\>\)\?\|\<constraint\>\|\<exception\>"
+\ matchgroup=NONE end="\(\<type\>\|\<exception\>\|\<val\>\|\<module\>\|\<class\>\|\<method\>\|\<constraint\>\|\<inherit\>\|\<object\>\|\<struct\>\|\<open\>\|\<include\>\|\<let\>\|\<external\>\|\<in\>\|\<end\>\|)\|]\|}\|;\|;;\)\@="
+\ contains=@ocamlTypeExpr,ocamlTypeEq,ocamlTypePrivate,ocamlTypeDefDots,ocamlTypeRecordDecl,ocamlTypeSumDecl,ocamlTypeDefAnd,ocamlComment,ocamlPpx
+hi link ocamlTypeDef ocamlTypeCatchAll
+syn cluster ocamlTypeContained add=ocamlTypePrivate
+syn keyword ocamlTypePrivate contained private
+hi link ocamlTypePrivate ocamlKeyword
+syn cluster ocamlTypeContained add=ocamlTypeDefAnd
+syn keyword ocamlTypeDefAnd contained and
+hi link ocamlTypeDefAnd ocamlKeyword
+syn cluster ocamlTypeContained add=ocamlTypeDefDots
+syn match ocamlTypeDefDots contained "\.\."
+hi link ocamlTypeDefDots ocamlKeyChar
+
+" When "exception" is preceded by "with", "|" or "(", that’s not an exception
+" definition but an exception pattern; we simply highlight the keyword without
+" starting a type context.
+" NOTE: These rules must occur after that for "exception".
+syn match ocamlKeyword "\<with\_s\+exception\>"lc=4
+syn match ocamlKeyword "|\_s*exception\>"lc=1
+syn match ocamlKeyword "(\_s*exception\>"lc=1
+
+" Type context opened by “:” (countless kinds of type annotations) and “:>”
+" (type coercions)
+syn region ocamlTypeAnnot matchgroup=ocamlKeyChar start=":\(>\|\_s*type\>\|[>:=]\@!\)"
+\ matchgroup=NONE end="\(\<type\>\|\<exception\>\|\<val\>\|\<module\>\|\<class\>\|\<method\>\|\<constraint\>\|\<inherit\>\|\<object\>\|\<struct\>\|\<open\>\|\<include\>\|\<let\>\|\<external\>\|\<in\>\|\<end\>\|)\|]\|}\|;\|;;\)\@="
+\ matchgroup=NONE end="\(;\|}\)\@="
+\ matchgroup=NONE end="\(=\|:>\)\@="
+\ contains=@ocamlTypeExpr,ocamlComment,ocamlPpx
+hi link ocamlTypeAnnot ocamlTypeCatchAll
+
+" Type annotation that gives the return type of a `fun` keyword
+" (the type context is ended by `->`)
+syn cluster ocamlTypeContained add=ocamlFunTypeAnnot
+syn region ocamlFunTypeAnnot contained containedin=ocamlFun
+\ matchgroup=ocamlKeyChar start=":"
+\ matchgroup=NONE end="\(->\)\@="
+\ contains=@ocamlTypeExpr,ocamlComment,ocamlPpx
+hi link ocamlFunTypeAnnot ocamlTypeCatchAll
+
+" Module paths (including functors) in types.
+" NOTE: This rule must occur after the rule for ocamlTypeSumDecl as it must take
+" precedence over it (otherwise the module name would be mistakenly highlighted
+" as a constructor).
+" NOTE: Carefully avoid catching "(*" here.
+syn cluster ocamlTypeExpr add=ocamlTypeModPath
+syn match ocamlTypeModPath contained "\<\u\(\w\|'\)*\_s*\."
+syn region ocamlTypeModPath contained transparent
+\ matchgroup=ocamlModPath start="\<\u\(\w\|'\)*\_s*(\*\@!"
+\ matchgroup=ocamlModPath end=")\_s*\."
+\ contains=ocamlTypeDotlessModPath,ocamlTypeBlank,ocamlComment,ocamlPpx
+hi link ocamlTypeModPath ocamlModPath
+syn cluster ocamlTypeContained add=ocamlTypeDotlessModPath
+syn match ocamlTypeDotlessModPath contained "\<\u\(\w\|'\)*\_s*\.\?"
+syn region ocamlTypeDotlessModPath contained transparent
+\ matchgroup=ocamlModPath start="\<\u\(\w\|'\)*\_s*(\*\@!"
+\ matchgroup=ocamlModPath end=")\_s*\.\?"
+\ contains=ocamlTypeDotlessModPath,ocamlTypeBlank,ocamlComment,ocamlPpx
+hi link ocamlTypeDotlessModPath ocamlTypeModPath
+
+""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
 
 " Synchronization
 syn sync minlines=50
@@ -306,27 +565,25 @@ hi def link ocamlBrackErr	   Error
 hi def link ocamlParenErr	   Error
 hi def link ocamlArrErr	   Error
 
-hi def link ocamlCommentErr   Error
-
 hi def link ocamlCountErr	   Error
 hi def link ocamlDoErr	   Error
 hi def link ocamlDoneErr	   Error
 hi def link ocamlEndErr	   Error
 hi def link ocamlThenErr	   Error
+hi def link ocamlKwErr	   Error
 
 hi def link ocamlCharErr	   Error
 
 hi def link ocamlErr	   Error
 
 hi def link ocamlComment	   Comment
+hi def link ocamlShebang    ocamlComment
 
 hi def link ocamlModPath	   Include
 hi def link ocamlObject	   Include
 hi def link ocamlModule	   Include
 hi def link ocamlModParam1    Include
 hi def link ocamlGenMod       Include
-hi def link ocamlModType	   Include
-hi def link ocamlMPRestr3	   Include
 hi def link ocamlFullMod	   Include
 hi def link ocamlFuncWith	   Include
 hi def link ocamlModParam     Include
@@ -339,10 +596,13 @@ hi def link ocamlStructEncl	   ocamlModule
 hi def link ocamlScript	   Include
 
 hi def link ocamlConstructor  Constant
+hi def link ocamlEmptyConstructor  ocamlConstructor
 
 hi def link ocamlVal          Keyword
+hi def link ocamlModTypePre   Keyword
 hi def link ocamlModPreRHS    Keyword
-hi def link ocamlMPRestr2	   Keyword
+hi def link ocamlFunctor	   Keyword
+hi def link ocamlModTypeOf  Keyword
 hi def link ocamlKeyword	   Keyword
 hi def link ocamlMethod	   Include
 hi def link ocamlArrow	   Keyword
@@ -352,8 +612,6 @@ hi def link ocamlTopStop	   Keyword
 
 hi def link ocamlRefAssign    ocamlKeyChar
 hi def link ocamlEqual        ocamlKeyChar
-hi def link ocamlStar         ocamlInfixOp
-hi def link ocamlAngle        ocamlInfixOp
 hi def link ocamlCons         ocamlInfixOp
 
 hi def link ocamlPrefixOp       ocamlOperator
@@ -377,7 +635,24 @@ hi def link ocamlQuotedStringDelim Identifier
 
 hi def link ocamlLabel	   Identifier
 
-hi def link ocamlType	   Type
+" Type linting groups that the user can customize:
+" - ocamlTypeCatchAll: anything in a type context that is not caught by more
+"   specific rules (in principle, this should only match syntax errors)
+" - ocamlTypeConstr: type constructors
+" - ocamlTypeBuiltin: builtin type constructors (like int or list)
+" - ocamlTypeVar: type variables ('a)
+" - ocamlTypeAnyVar: wildcard (_)
+" - ocamlTypeVariance: variance and injectivity indications (+'a, !'a)
+" - ocamlTypeKeyChar: symbols such as -> and *
+" Default values below mimick the behavior before the type linter was
+" implemented, but now we can do better. :-)
+hi def link ocamlTypeCatchAll Error
+hi def link ocamlTypeConstr   NONE
+hi def link ocamlTypeBuiltin  Type
+hi def link ocamlTypeVar      NONE
+hi def link ocamlTypeAnyVar   NONE
+hi def link ocamlTypeVariance ocamlKeyChar
+hi def link ocamlTypeKeyChar  ocamlKeyChar
 
 hi def link ocamlTodo	   Todo
 
diff --git a/runtime/syntax/opam.vim b/runtime/syntax/opam.vim
index 9ac1d41ce7..da296627e5 100644
--- a/runtime/syntax/opam.vim
+++ b/runtime/syntax/opam.vim
@@ -1,5 +1,5 @@
 " Vim syntax file
-" Language:    OPAM - OCaml package manager
+" Language:    opam - OCaml package manager
 " Maintainer:  Markus Mottl        <markus.mottl@gmail.com>
 " URL:         https://github.com/ocaml/vim-ocaml
 " Last Change:
@@ -11,20 +11,55 @@ endif
 
 " need %{vars}%
 " env: [[CAML_LD_LIBRARY_PATH = "%{lib}%/stublibs"]]
-syn keyword opamKeyword1 remove depends pin-depends depopts conflicts env packages patches version maintainer tags license homepage authors doc install author available name depexts substs synopsis description
-syn match opamKeyword2 "\v(bug-reports|post-messages|ocaml-version|opam-version|dev-repo|build-test|build-doc|build)"
+syn iskeyword a-z,A-Z,-
+syn keyword opamKeyword1 author
+syn keyword opamKeyword1 authors
+syn keyword opamKeyword1 available
+syn keyword opamKeyword1 bug-reports
+syn keyword opamKeyword1 build
+syn keyword opamKeyword1 build-env
+syn keyword opamKeyword1 conflict-class
+syn keyword opamKeyword1 conflicts
+syn keyword opamKeyword1 depends
+syn keyword opamKeyword1 depexts
+syn keyword opamKeyword1 depopts
+syn keyword opamKeyword1 description
+syn keyword opamKeyword1 dev-repo
+syn keyword opamKeyword1 doc
+syn keyword opamKeyword1 extra-files
+syn keyword opamKeyword1 features
+syn keyword opamKeyword1 flags
+syn keyword opamKeyword1 homepage
+syn keyword opamKeyword1 install
+syn keyword opamKeyword1 libraries
+syn keyword opamKeyword1 license
+syn keyword opamKeyword1 maintainer
+syn keyword opamKeyword1 messages
+syn keyword opamKeyword1 name
+syn keyword opamKeyword1 opam-version
+syn keyword opamKeyword1 patches
+syn keyword opamKeyword1 pin-depends
+syn keyword opamKeyword1 post-messages
+syn keyword opamKeyword1 remove
+syn keyword opamKeyword1 run-test
+syn keyword opamKeyword1 setenv
+syn keyword opamKeyword1 substs
+syn keyword opamKeyword1 synopsis
+syn keyword opamKeyword1 syntax
+syn keyword opamKeyword1 tags
+syn keyword opamKeyword1 version
 
 syn keyword opamTodo FIXME NOTE NOTES TODO XXX contained
 syn match opamComment "#.*$" contains=opamTodo,@Spell
 syn match opamOperator ">\|<\|=\|<=\|>="
 
-syn region opamInterpolate start=/%{/ end=/}%/ contained
-syn region opamString start=/"/ end=/"/ contains=opamInterpolate
-syn region opamSeq start=/\[/ end=/\]/ contains=ALLBUT,opamKeyword1,opamKeyword2
-syn region opamExp start=/{/ end=/}/ contains=ALLBUT,opamKeyword1,opamKeyword2
+syn match opamUnclosedInterpolate "%{[^ "]*" contained
+syn match opamInterpolate         "%{[^ "]\+}%" contained
+syn region opamString start=/"/ end=/"/ contains=opamInterpolate,OpamUnclosedInterpolate
+syn region opamSeq start=/\[/ end=/\]/ contains=ALLBUT,opamKeyword1
+syn region opamExp start=/{/ end=/}/ contains=ALLBUT,opamKeyword1
 
 hi link opamKeyword1 Keyword
-hi link opamKeyword2 Keyword
 
 hi link opamString String
 hi link opamExp Function
@@ -32,6 +67,7 @@ hi link opamSeq Statement
 hi link opamOperator Operator
 hi link opamComment Comment
 hi link opamInterpolate Identifier
+hi link opamUnclosedInterpolate Error
 
 let b:current_syntax = "opam"
 
diff --git a/runtime/syntax/progress.vim b/runtime/syntax/progress.vim
index 5e7cfef299..4b8f61287c 100644
--- a/runtime/syntax/progress.vim
+++ b/runtime/syntax/progress.vim
@@ -3,13 +3,13 @@
 " Filename extensions:	*.p (collides with Pascal),
 "			*.i (collides with assembler)
 "			*.w (collides with cweb)
-" Maintainer:		Philip Uren		<philuSPAXY@ieee.org> Remove SPAXY spam block
+" Maintainer:           Daniel Smith <daniel@rdnlsmith.com>
+" Previous Maintainer:  Philip Uren <philuSPAXY@ieee.org> Remove SPAXY spam block
 " Contributors:         Matthew Stickney	<mtstickneySPAXY@gmail.com>
 " 			Chris Ruprecht		<chrisSPAXY@ruprecht.org>
 "			Mikhail Kuperblum	<mikhailSPAXY@whasup.com>
 "			John Florian		<jflorianSPAXY@voyager.net>
-" Version:              13
-" Last Change:		Nov 11 2012
+" Last Change:		Jul 23 2024
 
 " quit when a syntax file was already loaded
 if exists("b:current_syntax")
@@ -116,8 +116,10 @@ syn match ProgressShowTab "\t"
 " If you don't like white space on the end of lines, uncomment this:
 " syn match   ProgressSpaceError "\s\+$"
 
-syn region ProgressComment		start="/\*"  end="\*/" contains=ProgressComment,ProgressTodo,ProgressDebug,@Spell
-syn region ProgressInclude		start="^[ 	]*[{]" end="[}]" contains=ProgressPreProc,ProgressOperator,ProgressString,ProgressComment
+syn region ProgressBlockComment	start="/\*"  end="\*/" contains=ProgressBlockComment,ProgressTodo,ProgressDebug,@Spell
+syn match  ProgressLineComment		"//.*$" contains=ProgressTodo,ProgressDebug,@Spell
+syn cluster ProgressComment		contains=ProgressBlockComment,ProgressLineComment
+syn region ProgressInclude		start="^[ 	]*[{]" end="[}]" contains=ProgressPreProc,ProgressOperator,ProgressString,@ProgressComment
 syn region ProgressPreProc		start="&" end="\>" contained
 
 " This next line works reasonably well.
@@ -281,6 +283,8 @@ syn sync lines=800
 hi def link ProgressByte		Number
 hi def link ProgressCase		Repeat
 hi def link ProgressComment		Comment
+hi def link ProgressBlockComment	ProgressComment
+hi def link ProgressLineComment	ProgressComment
 hi def link ProgressConditional	Conditional
 hi def link ProgressDebug		Debug
 hi def link ProgressDo		Repeat
diff --git a/runtime/syntax/query.lua b/runtime/syntax/query.lua
index 1e129dbeff..2dfe29f69b 100644
--- a/runtime/syntax/query.lua
+++ b/runtime/syntax/query.lua
@@ -1,6 +1,6 @@
 -- Neovim syntax file
 -- Language:	Treesitter query
--- Last Change:	2022 Apr 13
+-- Last Change:	2024 Jul 03
 
 -- it's a lisp!
-vim.cmd([[ runtime! syntax/lisp.vim ]])
+vim.cmd([[runtime! syntax/lisp.vim]])
diff --git a/runtime/syntax/rasi.vim b/runtime/syntax/rasi.vim
new file mode 100644
index 0000000000..40c3393fc5
--- /dev/null
+++ b/runtime/syntax/rasi.vim
@@ -0,0 +1,298 @@
+" Vim syntax file
+" Language:	rasi (Rofi Advanced Style Information)
+" Maintainer:	Pierrick Guillaume  <pierguill@gmail.com>
+" Last Change:	2024 May 21
+"
+" Syntax support for rasi config file
+
+" This file is based on syntax defined in rofi-theme man page
+" https://man.archlinux.org/man/community/rofi/rofi-theme.5.en
+
+if exists('b:current_syntax')
+  finish
+endif
+let b:current_syntax = 'rasi'
+
+" String {{{
+syn region rasiString    start=+"+ skip=+\\"+ end=+"+ oneline contained
+syn match  rasiCharacter +L\='[^\\]'+ contained
+
+syn cluster rasiPropertyVals add=rasiString,rasiCharacter
+" }}}
+
+" Integer/Real {{{
+syn match rasiNumber  display contained '[+-]\?\d\+\(\.\d\+\)\?'
+
+syn cluster rasiPropertyVals add=rasiNumber
+" }}}
+
+" Boolean {{{
+syn keyword rasiBool  contained true false
+
+syn cluster rasiPropertyVals add=rasiBool
+" }}}
+
+" Image {{{
+syn match rasiInvImage        display contained 'url([^)]*)'
+syn keyword rasiImageK        contained url linear-gradient
+
+syn match rasiImage           display contained transparent 'url(\s*"\([^"]\|\\"\)\+"\(\s*,\s*\(none\|both\|width\|height\)\)\?\s*)' contains=rasiImageScale,rasiString,rasiImageK
+syn keyword rasiImageScale  contained none both width height
+
+syn match rasiImage           display contained transparent 'linear-gradient(\s*\(\(top\|left\|right\|bottom\)\s*,\s*\)\?[^,)]\+\s*\(,\s*[^,)]\+\s*\)\+)' contains=rasiImageDirection,@rasiColors,rasiImageK
+syn keyword rasiImageDirection contained top left right bottom
+
+syn match rasiImage           display contained transparent 'linear-gradient(\s*\d\+\(rad\|grad\|deg\)\s*,\s*[^,)]\+\s*\(,\s*[^,)]\+\s*\)\+)' contains=rasiImageUnit,@rasiColor,@rasiInvColor,rasiNumber,rasiImageK
+syn match rasiImageUnit       display contained '\(rad\|grad\|deg\)\>'
+
+syn cluster rasiPropertyVals  add=rasiInvImage,rasiImage
+" }}}
+
+" Reference {{{
+syn match rasiReference       display contained '@[a-zA-Z0-9-]\+'
+
+syn keyword rasiVarReferenceK contained var
+
+syn match rasiInvVarReference display contained 'var([^)]*)'
+syn match rasiVarReference    display contained transparent 'var(\s*[a-zA-Z0-9-]\+\s*,\s*\(\a\+\s*([^)]*)\)\?[^),]*)' contains=rasiVarReferenceK,rasiPropertyIdRef,@rasiPropertyVals
+syn match rasiPropertyIdRef   display contained '\a[a-zA-Z0-9-]*'
+
+syn cluster rasiPropertyVals  add=rasiReference,rasiInvVarReference,rasiVarReference
+" }}}
+
+" Env variable {{{
+syn match rasiInvEnv          display contained '${[^}]*}'
+syn match rasiEnv             display contained '${\w\+}'hs=s+2,he=e-1
+
+syn keyword rasiEnvVarK       contained env
+
+syn match rasiInvEnvVar       display contained 'env([^)]*)'
+syn match rasiEnvVar          display contained transparent 'env(\s*\w\+\s*,\s*\(\a\+([^)]*)\)\?[^),]*)' contains=rasiEnvVarK,rasiEnvRef,@rasiPropertyVals
+syn match rasiEnvRef          display contained '\a\w*'
+
+syn cluster rasiPropertyVals  add=rasiEnv,rasiInvEnv,rasiInvEnvVar,rasiEnvVar
+" }}}
+
+" Color {{{
+syn keyword rasiColorK        contained rgb[a] hsl[a] hwb[a] cmyk
+
+syn match rasiHexColor        display contained '#\x\{3,4}'
+syn match rasiHexColor        display contained '#\x\{6}'
+syn match rasiHexColor        display contained '#\x\{8}'
+syn match rasiInvHexColor     display contained '#\x\{5}\X'he=e-1,me=e-1
+syn match rasiInvHexColor     display contained '#\x\{7}\X'he=e-1,me=e-1
+
+syn match rasiInvRGBColor     display contained 'rgb\(a\)\?([^)]*)'
+syn match rasiRGBColor        display contained transparent 'rgb\(a\)\?(\s*\d\+\s*\(%\)\?\s*,\(\s*\d\+\s*\(%\)\?\s*\){2}\(,\s*\(\d\(\.\d*\)\?\|\d\{,3}%\)\s*\)\?)' contains=rasiColorK,rasiNumber,rasiDistance
+
+syn match rasiInvHSLColor     display contained 'h\(sl\|wb\)\(a\)\?([^)]*)'
+syn match rasiHSLColor        display contained transparent 'h\(sl\|wb\)\(a\)\?(\s*\d\+\(\.\d*\)\?\(deg\|rad\|grad\|turn\)\?\s*\(,\s*\(\d\(\.\d*\)\?\|\d\{,3}%\)\s*\)\{2,3})' contains=rasiColorK,rasiNumber,rasiDistance
+
+
+"this matches doesn't works properly (too long ?)
+syn match rasiInvCMYKColor  display contained 'cmyk([^)]*)'
+syn match rasiCMYKColor     display contained transparent 'cmyk(\s*\(\d\(\.\d*\)\?\|\d\{,3}%\)\s*\(,\s*\(\d\(\.\d*\)\?\|\d\{,3}%\)\s*\)\{3,4})' contains=rasiColorK,rasiNumber,rasiDistance
+
+syn case ignore
+syn keyword rasiNamedColor contained
+      \ AliceBlue AntiqueWhite Aqua Aquamarine Azure Beige Bisque Black BlanchedAlmond Blue
+      \ BlueViolet Brown BurlyWood CadetBlue Chartreuse Chocolate Coral CornflowerBlue Cornsilk
+      \ Crimson Cyan DarkBlue DarkCyan DarkGoldenRod DarkGray DarkGrey DarkGreen DarkKhaki DarkMagenta
+      \ DarkOliveGreen DarkOrange DarkOrchid DarkRed DarkSalmon DarkSeaGreen Dark SlateBlue
+      \ DarkSlateGray DarkSlateGrey DarkTurquoise DarkViolet DeepPink DeepSkyBlue DimGray DimGrey
+      \ DodgerBlue FireBrick FloralWhite ForestGreen Fuchsia Gainsboro GhostWhite Gold GoldenRod
+      \ Gray Grey Green GreenYellow HoneyDew HotPink IndianRed Indigo Ivory Khaki Lavender
+      \ LavenderBlush LawnGreen LemonChiffon LightBlue LightCoral LightCyan LightGoldenRodYellow
+      \ LightGray LightGrey LightGreen LightPink LightSalmon LightSeaGreen LightSkyBlue LightSlateGray
+      \ LightSlateGrey LightSteelBlue LightYellow Lime LimeGreen Linen Magenta Maroon MediumAquaMarine
+      \ MediumBlue MediumOrchid MediumPurple MediumSeaGreen MediumSlateBlue MediumSpringGreen
+      \ MediumTurquoise MediumVioletRed MidnightBlue MintCream MistyRose Moccasin NavajoWhite Navy
+      \ OldLace Olive OliveDrab Orange OrangeRed Orchid PaleGoldenRod PaleGreen PaleTurquoise
+      \ PaleVioletRed PapayaWhip PeachPuff Peru Pink Plum PowderBlue Purple RebeccaPurple Red
+      \ RosyBrown RoyalBlue SaddleBrown Salmon SandyBrown SeaGreen SeaShell Sienna Silver SkyBlue
+      \ SlateBlue SlateGray SlateGrey Snow SpringGreen SteelBlue Tan Teal Thistle Tomato Turquoise
+      \ Violet Wheat White WhiteSmoke Yellow YellowGreen transparent[] "uses `[]` to escape keyword
+
+syn cluster rasiColors        add=rasiHexColor,rasiRGBColor,rasiHSLColor,rasiCMYKColor,rasiNamedColor
+syn cluster rasiColors        add=rasiInvHexColor,rasiInvRGBColor,rasiInvHSLColor,rasiInvCMYKColor
+
+syn cluster rasiPropertyVals  add=@rasiColors
+" }}}
+
+" Text-Style {{{
+syn keyword rasiTextStyle contained bold italic underline strikethrough none
+
+syn cluster rasiPropertyVals  add=rasiTextStyle
+" }}}
+
+" Line-Style {{{
+syn keyword rasiLineStyle contained dash solid
+
+syn cluster rasiPropertyVals  add=rasiLineStyle
+" }}}
+
+" Distance {{{
+syn match rasiDistanceUnit    display contained '\(px\|em\|ch\|%\|mm\)'
+
+syn match rasiInvDistance     display contained '[+-]\?\d\+\.\d\+\(px\|mm\)'
+syn match rasiDistance        display contained transparent '[-+]\?\d\+\(px\|mm\)' contains=rasiDistanceUnit,rasiNumber
+syn match rasiDistance        display contained transparent '[+-]\?\d\+\(\.\d\+\)\?\(em\|ch\|%\)' contains=rasiDistanceUnit,rasiNumber
+
+syn keyword rasiDistanceCalc  contained calc nextgroup=rasiDistanceCalcBody
+syn region rasiDistanceCalcBody display contained start=+(+ end=+)+ contains=rasiDistanceCalcOp,rasiDistance,rasiInvDistance
+syn match rasiDistanceCalcOp  display contained '\(+\|-\|/\|\*\|%\|min\|max\)'
+
+syn cluster rasiPropertyVals  add=rasiInvDistance,rasiDistance,rasiDistanceCalc
+" }}}
+
+" Position {{{
+syn keyword rasiPosition    contained center east north west south
+
+syn cluster rasiPropertyVals  add=rasiPosition
+" }}}
+
+" Orientation {{{
+syn keyword rasiOrientation   contained horizontal vertical
+
+syn cluster rasiPropertyVals  add=rasiOrientation
+" }}}
+
+" Cursor {{{
+syn keyword rasiCursor        contained default pointer text
+
+syn cluster rasiPropertyVals  add=rasiCursor
+" }}}
+
+" Keyword List {{{
+syn region rasiKeywordList    contained start=+\[+ end=+\]+ contains=rasiPropertyIdRef
+
+syn cluster rasiPropertyVals  add=rasiKeywordList
+" }}}
+
+" Inherit {{{
+syn keyword rasiInherit       contained inherit children
+
+syn cluster rasiPropertyVals  add=rasiInherit
+" }}}
+
+syn match rasiGlobalImport    display '^\s*@\(import\|theme\)' nextgroup=rasiString skipwhite
+
+" Section {{{
+" syn region rasiSection transparent start='^[^{]\+{'me=e-1 end='}' contains=rasiSectionOpenning,rasiSectionContent
+syn match rasiSectionOpenning transparent '^[^{]\+{'me=e-1 contains=rasiGlobalSection,rasiWidgetName,rasiGlobalMedia nextgroup=rasiThemeSectionContent
+" syn match rasiThemeInnerSectionOpenning transparent '^[^:${]\+{'me=e-1 contains=rasiWidgetName nextgroup=rasiThemeInnerSectionContent contained
+
+syn match rasiGlobalMedia     display contained '^\s*@media' nextgroup=rasiInvMediaBody,rasiMediaBody skipwhite
+syn match rasiInvMediaBody    display contained '([^)]*)'
+syn match rasiMediaBody       display contained '(\s*[a-z-]\+\s*:\s*\d\+\(px\|mm\)\?\s*)' contains=rasiMediaK,rasiNumber,rasiDistance
+syn keyword rasiMediaK        contained min-width max-width min-height max-height min-aspect-ratio max-aspect-ratio monitor-id
+
+syn match rasiGlobalSection   display contained '^*'
+syn match rasiWidgetName      display contained '[a-zA-Z0-9-]\+' nextgroup=rasiVisibleMod skipwhite
+
+syn keyword rasiVisibleMod    contained normal selected alternate nextgroup=rasiVisibleMod,rasiStateWrapper skipwhite
+syn match rasiStateWrapper    display contained transparent '\.\(normal\|active\|urgent\)' contains=rasiState
+syn keyword rasiState         contained normal active urgent
+
+
+syn region  rasiThemeSectionContent transparent start="{" end="}" contains=rasiProperty,rasiComment,rasiCommentL,rasiSectionOpenning contained
+" syn region  rasiThemeInnerSectionContent transparent start="{" end="}" contains=rasiProperty,rasiComment,rasiCommentL,rasiThemeInnerSectionOpenning contained
+
+syn match rasiProperty transparent '^\s*\S\+\s*:.*;\s*$' keepend contained contains=rasiPropertyId,rasiInvPropertyId,rasiPropertyVal,rasiComment,rasiCommentL
+syn match rasiInvPropertyId '^\([^:]\&[^/]\{2}\)*:'me=e-1 contained
+syn match rasiPropertyId  '^\s*[0-9a-zA-Z-]\+\s*:'me=e-1 contained
+syn match rasiInvPropertyVal ':[^;];\s*\S\+\s*$'ms=s+1,hs=s+1
+syn match rasiPropertyVal ':\s*[^;]\+;\s*$'ms=s+1,hs=s+1 contained contains=@rasiPropertyVals
+" }}}
+
+" Comment {{{
+syn cluster rasiCommentGroup  contains=rasiTodo,rasiBadContinuation
+
+syn region rasiCommentL       start="//" skip="\\$" end="$" keepend contains=@rasiCommentGroup,@Spell
+syn region rasiComment        start="/\*" end="\*/" contains=@rasiCommentGroup,rasiCommentStartError,@Spell fold extend
+
+syn match rasiCommentError    display '\*/'
+
+syn keyword rasiTodo          contained TODO FIXME XXX NOTE
+
+if exists("rasi_minlines")
+  let b:rasi_minlines = rasi_minlines
+else
+  let b:rasi_minlines = 50
+endif
+exec "syn sync ccomment rasiComment minlines=" . b:rasi_minlines
+" }}}
+
+
+
+" Highlighting: {{{
+hi def link rasiError           Error
+
+hi def link rasiTodo            Todo
+hi def link rasiComment         Comment
+hi def link rasiCommentStart    rasiComment
+hi def link rasiCommentL        rasiComment
+hi def link rasiCommentError    rasiError
+
+hi def link rasiString          String
+hi def link rasiNumber          Number
+hi def link rasiBool            Boolean
+
+hi def link rasiImageK          Function
+hi def link rasiImageScale      Keyword
+hi def link rasiImageDirection  Keyword
+hi def link rasiImageUnit       Type
+hi def link rasiInvImage        rasiError
+
+hi def link rasiHexColor        Number
+hi def link rasiColorK          Function
+hi def link rasiNamedColor      Number
+hi def link rasiInvColor        rasiError
+hi def link rasiInvHexColor     rasiInvColor
+hi def link rasiInvRGBColor     rasiInvColor
+hi def link rasiInvHSLColor     rasiInvColor
+hi def link rasiInvCMYKColor    rasiInvColor
+
+hi def link rasiTextStyle       Keyword
+hi def link rasiLineStyle       Keyword
+
+hi def link rasiDistanceUnit    Type
+hi def link rasiDistanceCalc    Function
+hi def link rasiDistanceCalcOp  Operator
+hi def link rasiInvDistance     rasiError
+
+hi def link rasiPosition        Keyword
+hi def link rasiOrientation     Keyword
+hi def link rasiCursor          Keyword
+
+hi def link rasiReference       Identifier
+hi def link rasiPropertyIdRef   Identifier
+hi def link rasiVarReferenceK   Function
+hi def link rasiInvVarReference rasiError
+
+hi def link rasiEnv             Identifier
+hi def link rasiEnvRef          Identifier
+hi def link rasiEnvVarK         Function
+hi def link rasiInvEnv          rasiError
+hi def link rasiInvEnvVar       rasiError
+
+hi def link rasiWidgetName      StorageClass
+hi def link rasiGlobalSection   StorageClass
+hi def link rasiVisibleMod      Type
+hi def link rasiState           Tag
+
+hi def link rasiInherit         Identifier
+
+hi def link rasiGlobalImport    Include
+
+hi def link rasiGlobalMedia     Preproc
+hi def link rasiMediaK          Keyword
+hi def link rasiInvMediaBody    rasiError
+
+hi def link rasiPropertyId      Identifier
+hi def link rasiInvProperty     rasiError
+hi def link rasiInvPropertyId   rasiError
+hi def link rasiInvPropertyVal  rasiError
+" }}}
+
+" vim:ts=8
diff --git a/runtime/syntax/salt.vim b/runtime/syntax/salt.vim
new file mode 100644
index 0000000000..fdbce2f677
--- /dev/null
+++ b/runtime/syntax/salt.vim
@@ -0,0 +1,16 @@
+" Vim syntax file
+" Maintainer: Gregory Anders
+" Last Changed: 2024-09-16
+
+if exists('b:current_syntax')
+  finish
+endif
+
+" Salt state files are just YAML with embedded Jinja
+runtime! syntax/yaml.vim
+unlet! b:current_syntax
+
+runtime! syntax/jinja.vim
+unlet! b:current_syntax
+
+let b:current_syntax = 'salt'
diff --git a/runtime/syntax/scheme.vim b/runtime/syntax/scheme.vim
index c4454fc57c..59b0cc5b18 100644
--- a/runtime/syntax/scheme.vim
+++ b/runtime/syntax/scheme.vim
@@ -1,12 +1,12 @@
 " Vim syntax file
-" Language: Scheme (R7RS)
-" Last Change: 2021-01-03
-" Author: Evan Hanson <evhan@foldling.org>
-" Maintainer: Evan Hanson <evhan@foldling.org>
-" Previous Author: Dirk van Deun <dirk@igwe.vub.ac.be>
+" Language:            Scheme (R7RS)
+" Last Change:         2024 Jun 21
+" Author:              Evan Hanson <evhan@foldling.org>
+" Maintainer:          Evan Hanson <evhan@foldling.org>
+" Previous Author:     Dirk van Deun <dirk@igwe.vub.ac.be>
 " Previous Maintainer: Sergey Khorev <sergey.khorev@gmail.com>
-" Repository: https://git.foldling.org/vim-scheme.git
-" URL: https://foldling.org/vim/syntax/scheme.vim
+" Repository:          https://git.foldling.org/vim-scheme.git
+" URL:                 https://foldling.org/vim/syntax/scheme.vim
 
 if exists('b:current_syntax')
   finish
@@ -50,9 +50,11 @@ syn match schemeBoolean /#f\(alse\)\?/
 syn match schemeCharacter /#\\.[^ `'\t\n\[\]()]*/
 syn match schemeCharacter /#\\x[0-9a-fA-F]\+/
 
-syn match schemeComment /;.*$/ contains=@Spell
+syn match schemeComment /;.*$/ contains=schemeTodo,@Spell
 
-syn region schemeMultilineComment start=/#|/ end=/|#/ contains=schemeMultilineComment,@Spell
+syn region schemeMultilineComment start=/#|/ end=/|#/ contains=schemeTodo,schemeMultilineComment,@Spell
+
+syn match schemeTodo /\c\<\(todo\|xxx\|fixme\|note\):\?\>/ contained
 
 syn region schemeForm matchgroup=schemeParentheses start="(" end=")" contains=ALLBUT,schemeUnquote,schemeDatumCommentForm,@schemeImportCluster
 syn region schemeForm matchgroup=schemeParentheses start="\[" end="\]" contains=ALLBUT,schemeUnquote,schemeDatumCommentForm,@schemeImportCluster
@@ -427,6 +429,7 @@ syn keyword schemeFunction write-string
 syn keyword schemeFunction write-u8
 syn keyword schemeFunction zero?
 
+hi def link schemeTodo Todo
 hi def link schemeBoolean Boolean
 hi def link schemeCharacter Character
 hi def link schemeComment Comment
diff --git a/runtime/syntax/sdc.vim b/runtime/syntax/sdc.vim
index dbfa35eeb6..ae2aae5f07 100644
--- a/runtime/syntax/sdc.vim
+++ b/runtime/syntax/sdc.vim
@@ -1,9 +1,10 @@
 " Vim syntax file
 " Language:     SDC - Synopsys Design Constraints
 " Maintainer:   Maurizio Tranchero - maurizio.tranchero@gmail.com
-" Last Change:  Thu Mar  25 17:35:16 CET 2009
 " Credits:      based on TCL Vim syntax file
 " Version:	0.3
+" Last Change:  Thu Mar  25 17:35:16 CET 2009
+" 2024 Jul 17 by Vim Project (update to SDC 2.1)
 
 " Quit when a syntax file was already loaded
 if exists("b:current_syntax")
@@ -13,16 +14,48 @@ endif
 " Read the TCL syntax to start with
 runtime! syntax/tcl.vim
 
-" SDC-specific keywords
+" TCL extension related to SDC and available from some vendors
+" (not defined in SDC standard!)
 syn keyword sdcCollections	foreach_in_collection
-syn keyword sdcObjectsQuery	get_clocks get_ports
 syn keyword sdcObjectsInfo	get_point_info get_node_info get_path_info
 syn keyword sdcObjectsInfo	get_timing_paths set_attribute
-syn keyword sdcConstraints	set_false_path
+
+" SDC rev. 2.1 specific keywords
+syn keyword sdcObjectsQuery	get_clocks get_ports get_cells
+syn keyword sdcObjectsQuery	get_pins get_nets all_inputs
+syn keyword sdcObjectsQuery	all_outputs all_registers all_clocks
+syn keyword sdcObjectsQuery	get_libs get_lib_cells get_lib_pins
+
+syn keyword sdcConstraints	set_false_path set_clock_groups set_sense
+syn keyword sdcConstraints	set_propagated_clock set_clock_gating_check
+syn keyword sdcConstraints	set_ideal_latency set_ideal_network
+syn keyword sdcConstraints	set_ideal_transistion set_max_time_borrow
+syn keyword sdcConstraints	set_data_check group_path set_max_transition
+syn keyword sdcConstraints	set_max_fanout set_driving_cell
+syn keyword sdcConstraints	set_port_fanout_number set_multi_cycle_path
+syn keyword sdcConstraints	set_disable_timing set_min_pulse_width
+
 syn keyword sdcNonIdealities	set_min_delay set_max_delay
 syn keyword sdcNonIdealities	set_input_delay set_output_delay
 syn keyword sdcNonIdealities	set_load set_min_capacitance set_max_capacitance
+syn keyword sdcNonIdealities	set_clock_latency set_clock_transition set_clock_uncertainty
+syn keyword sdcNonIdealities	set_resistance set_timing_derate set_drive
+syn keyword sdcNonIdealities	set_input_transition set_fanout_load
+
 syn keyword sdcCreateOperations	create_clock create_timing_netlist update_timing_netlist
+syn keyword sdcCreateOperations	create_generated_clock
+
+syn keyword sdcPowerArea	set_max_area create_voltage_area
+syn keyword sdcPowerArea	set_level_shifter_threshold set_max_dynamic_power
+syn keyword sdcPowerArea	set_level_shifter_strategy set_max_leakage_power
+
+syn keyword sdcModeConfig	set_case_analysis set_logic_dc
+syn keyword sdcModeConfig	set_logic_zero set_logic_one
+
+syn keyword sdcMiscCommmands	sdc_version set_wire_load_selection_group
+syn keyword sdcMiscCommmands	set_units set_wire_load_mode set_wire_load_model
+syn keyword sdcMiscCommmands	set_wire_load_min_block_size set_operating_conditions
+syn keyword sdcMiscCommmands	current_design
 
 " command flags highlighting
 syn match sdcFlags		"[[:space:]]-[[:alpha:]_]*\>"
@@ -31,9 +64,12 @@ syn match sdcFlags		"[[:space:]]-[[:alpha:]_]*\>"
 hi def link sdcCollections      Repeat
 hi def link sdcObjectsInfo      Operator
 hi def link sdcCreateOperations	Operator
-hi def link sdcObjectsQuery	Operator
+hi def link sdcObjectsQuery	Function
 hi def link sdcConstraints	Operator
 hi def link sdcNonIdealities	Operator
+hi def link sdcPowerArea	Operator
+hi def link sdcModeConfig	Operator
+hi def link sdcMiscCommmands	Operator
 hi def link sdcFlags		Special
 
 let b:current_syntax = "sdc"
diff --git a/runtime/syntax/shared/debversions.vim b/runtime/syntax/shared/debversions.vim
index e18eca96b1..56f18b969a 100644
--- a/runtime/syntax/shared/debversions.vim
+++ b/runtime/syntax/shared/debversions.vim
@@ -1,7 +1,7 @@
 " Vim syntax file
 " Language:     Debian version information
 " Maintainer:   Debian Vim Maintainers
-" Last Change:  2024 Apr 27
+" Last Change:  2024 May 25
 " URL: https://salsa.debian.org/vim-team/vim-debian/blob/main/syntax/shared/debversions.vim
 
 let s:cpo = &cpo
@@ -11,7 +11,7 @@ let g:debSharedSupportedVersions = [
       \ 'oldstable', 'stable', 'testing', 'unstable', 'experimental', 'sid', 'rc-buggy',
       \ 'bullseye', 'bookworm', 'trixie', 'forky',
       \
-      \ 'trusty', 'xenial', 'bionic', 'focal', 'jammy', 'mantic', 'noble', 'oracular',
+      \ 'focal', 'jammy', 'mantic', 'noble', 'oracular',
       \ 'devel'
       \ ]
 let g:debSharedUnsupportedVersions = [
@@ -22,8 +22,9 @@ let g:debSharedUnsupportedVersions = [
       \ 'warty', 'hoary', 'breezy', 'dapper', 'edgy', 'feisty',
       \ 'gutsy', 'hardy', 'intrepid', 'jaunty', 'karmic', 'lucid',
       \ 'maverick', 'natty', 'oneiric', 'precise', 'quantal', 'raring', 'saucy',
-      \ 'utopic', 'vivid', 'wily', 'yakkety', 'zesty', 'artful', 'cosmic',
-      \ 'disco', 'eoan', 'hirsute', 'impish', 'kinetic', 'lunar', 'groovy'
+      \ 'trusty', 'utopic', 'vivid', 'wily', 'xenial', 'yakkety', 'zesty',
+      \ 'artful', 'bionic', 'cosmic', 'disco', 'eoan', 'hirsute',
+      \ 'impish', 'kinetic', 'lunar', 'groovy'
       \ ]
 
 let &cpo=s:cpo
diff --git a/runtime/syntax/shared/typescriptcommon.vim b/runtime/syntax/shared/typescriptcommon.vim
index d06525115e..3af79a38fb 100644
--- a/runtime/syntax/shared/typescriptcommon.vim
+++ b/runtime/syntax/shared/typescriptcommon.vim
@@ -1,7 +1,7 @@
 " Vim syntax file
 " Language:     TypeScript and TypeScriptReact
 " Maintainer:   Herrington Darkholme
-" Last Change:	2023 Aug 24
+" Last Change:  2024 May 24
 " Based On:     Herrington Darkholme's yats.vim
 " Changes:      See https://github.com/HerringtonDarkholme/yats.vim
 " Credits:      See yats.vim on github
@@ -49,13 +49,13 @@ syntax match   typescriptProp contained /\K\k*!\?/
   \ nextgroup=@afterIdentifier
   \ skipwhite skipempty
 
-syntax region  typescriptIndexExpr      contained matchgroup=typescriptProperty start=/\[/rs=s+1 end=/]/he=e-1 contains=@typescriptValue nextgroup=@typescriptSymbols,typescriptDotNotation,typescriptFuncCallArg skipwhite skipempty
+syntax region  typescriptIndexExpr      contained matchgroup=typescriptProperty start=/\[/ end=/]/ contains=@typescriptValue,typescriptCastKeyword nextgroup=@typescriptSymbols,typescriptDotNotation,typescriptFuncCallArg skipwhite skipempty
 
 syntax match   typescriptDotNotation           /\.\|?\.\|!\./ nextgroup=typescriptProp skipnl
 syntax match   typescriptDotStyleNotation      /\.style\./ nextgroup=typescriptDOMStyle transparent
 " syntax match   typescriptFuncCall              contained /[a-zA-Z]\k*\ze(/ nextgroup=typescriptFuncCallArg
 syntax region  typescriptParenExp              matchgroup=typescriptParens start=/(/ end=/)/ contains=@typescriptComments,@typescriptValue,typescriptCastKeyword nextgroup=@typescriptSymbols skipwhite skipempty
-syntax region  typescriptFuncCallArg           contained matchgroup=typescriptParens start=/(/ end=/)/ contains=@typescriptValue,@typescriptComments nextgroup=@typescriptSymbols,typescriptDotNotation skipwhite skipempty skipnl
+syntax region  typescriptFuncCallArg           contained matchgroup=typescriptParens start=/(/ end=/)/ contains=@typescriptValue,@typescriptComments,typescriptCastKeyword nextgroup=@typescriptSymbols,typescriptDotNotation skipwhite skipempty skipnl
 syntax region  typescriptEventFuncCallArg      contained matchgroup=typescriptParens start=/(/ end=/)/ contains=@typescriptEventExpression
 syntax region  typescriptEventString           contained start=/\z(["']\)/  skip=/\\\\\|\\\z1\|\\\n/  end=/\z1\|$/ contains=typescriptASCII,@events
 
@@ -116,20 +116,33 @@ syntax match   typescriptASCII                 contained /\\\d\d\d/
 
 syntax region  typescriptTemplateSubstitution matchgroup=typescriptTemplateSB
   \ start=/\${/ end=/}/
-  \ contains=@typescriptValue
+  \ contains=@typescriptValue,typescriptCastKeyword
   \ contained
 
 
-syntax region  typescriptString 
+syntax region  typescriptString
   \ start=+\z(["']\)+  skip=+\\\%(\z1\|$\)+  end=+\z1+ end=+$+
   \ contains=typescriptSpecial,@Spell
+  \ nextgroup=@typescriptSymbols
+  \ skipwhite skipempty
   \ extend
 
 syntax match   typescriptSpecial            contained "\v\\%(x\x\x|u%(\x{4}|\{\x{1,6}})|c\u|.)"
 
-" From vim runtime
-" <https://github.com/vim/vim/blob/master/runtime/syntax/javascript.vim#L48>
-syntax region  typescriptRegexpString          start=+/[^/*]+me=e-1 skip=+\\\\\|\\/+ end=+/[gimuy]\{0,5\}\s*$+ end=+/[gimuy]\{0,5\}\s*[;.,)\]}:]+me=e-1 nextgroup=typescriptDotNotation oneline
+" From pangloss/vim-javascript
+" <https://github.com/pangloss/vim-javascript/blob/d6e137563c47fb59f26ed25d044c0c7532304f18/syntax/javascript.vim#L64-L72>
+syntax region  typescriptRegexpCharClass    contained start=+\[+ skip=+\\.+ end=+\]+ contains=typescriptSpecial extend
+syntax match   typescriptRegexpBoundary     contained "\v\c[$^]|\\b"
+syntax match   typescriptRegexpBackRef      contained "\v\\[1-9]\d*"
+syntax match   typescriptRegexpQuantifier   contained "\v[^\\]%([?*+]|\{\d+%(,\d*)?})\??"lc=1
+syntax match   typescriptRegexpOr           contained "|"
+syntax match   typescriptRegexpMod          contained "\v\(\?[:=!>]"lc=1
+syntax region  typescriptRegexpGroup        contained start="[^\\]("lc=1 skip="\\.\|\[\(\\.\|[^]]\+\)\]" end=")" contains=typescriptRegexpCharClass,@typescriptRegexpSpecial keepend
+syntax region  typescriptRegexpString
+  \ start=+\%(\%(\<return\|\<typeof\|\_[^)\]'"[:blank:][:alnum:]_$]\)\s*\)\@<=/\ze[^*/]+ skip=+\\.\|\[[^]]\{1,}\]+ end=+/[gimyus]\{,6}+
+  \ contains=typescriptRegexpCharClass,typescriptRegexpGroup,@typescriptRegexpSpecial
+  \ oneline keepend extend
+syntax cluster typescriptRegexpSpecial    contains=typescriptSpecial,typescriptRegexpBoundary,typescriptRegexpBackRef,typescriptRegexpQuantifier,typescriptRegexpOr,typescriptRegexpMod
 
 syntax region  typescriptTemplate
   \ start=/`/  skip=/\\\\\|\\`\|\n/  end=/`\|$/
@@ -140,7 +153,7 @@ syntax region  typescriptTemplate
 "Array
 syntax region  typescriptArray matchgroup=typescriptBraces
   \ start=/\[/ end=/]/
-  \ contains=@typescriptValue,@typescriptComments
+  \ contains=@typescriptValue,@typescriptComments,typescriptCastKeyword
   \ nextgroup=@typescriptSymbols,typescriptDotNotation
   \ skipwhite skipempty fold
 
@@ -153,7 +166,7 @@ syntax match typescriptNumber /\<\%(\d[0-9_]*\%(\.\d[0-9_]*\)\=\|\.\d[0-9_]*\)\%
 
 syntax region  typescriptObjectLiteral         matchgroup=typescriptBraces
   \ start=/{/ end=/}/
-  \ contains=@typescriptComments,typescriptObjectLabel,typescriptStringProperty,typescriptComputedPropertyName,typescriptObjectAsyncKeyword
+  \ contains=@typescriptComments,typescriptObjectLabel,typescriptStringProperty,typescriptComputedPropertyName,typescriptObjectAsyncKeyword,typescriptTernary,typescriptCastKeyword
   \ fold contained
 
 syntax keyword typescriptObjectAsyncKeyword async contained
@@ -223,11 +236,11 @@ syntax match typescriptBinaryOp contained /\*\*=\?/ nextgroup=@typescriptValue
 
 syntax cluster typescriptSymbols               contains=typescriptBinaryOp,typescriptKeywordOp,typescriptTernary,typescriptAssign,typescriptCastKeyword
 
-" runtime syntax/basic/reserved.vim
+" runtime syntax/ts-common/reserved.vim
 "Import
 syntax keyword typescriptImport                from as
 syntax keyword typescriptImport                import
-  \ nextgroup=typescriptImportType
+  \ nextgroup=typescriptImportType,typescriptTypeBlock,typescriptDefaultImportName
   \ skipwhite
 syntax keyword typescriptImportType            type
   \ contained
@@ -238,20 +251,11 @@ syntax match typescriptExportType              /\<type\s*{\@=/
   \ contained skipwhite skipempty skipnl
 syntax keyword typescriptModule                namespace module
 
-"this
-
-"JavaScript Prototype
-syntax keyword typescriptPrototype             prototype
-  \ nextgroup=@afterIdentifier
 
-syntax keyword typescriptCastKeyword           as
+syntax keyword typescriptCastKeyword           as satisfies
   \ nextgroup=@typescriptType
   \ skipwhite
 
-"Program Keywords
-syntax keyword typescriptIdentifier            arguments this super
-  \ nextgroup=@afterIdentifier
-
 syntax keyword typescriptVariable              let var
   \ nextgroup=@typescriptVariableDeclarations
   \ skipwhite skipempty
@@ -260,6 +264,10 @@ syntax keyword typescriptVariable const
   \ nextgroup=typescriptEnum,@typescriptVariableDeclarations
   \ skipwhite skipempty
 
+syntax keyword typescriptUsing              using
+  \ nextgroup=@typescriptVariableDeclarations
+  \ skipwhite skipempty
+
 syntax region typescriptEnum matchgroup=typescriptEnumKeyword start=/enum / end=/\ze{/
   \ nextgroup=typescriptBlock
   \ skipwhite
@@ -272,7 +280,6 @@ syntax keyword typescriptOperator              delete new typeof void
 
 syntax keyword typescriptForOperator           contained in of
 syntax keyword typescriptBoolean               true false nextgroup=@typescriptSymbols skipwhite skipempty
-syntax keyword typescriptNull                  null undefined nextgroup=@typescriptSymbols skipwhite skipempty
 syntax keyword typescriptMessage               alert confirm prompt status
   \ nextgroup=typescriptDotNotation,typescriptFuncCallArg
 syntax keyword typescriptGlobal                self top parent
@@ -290,10 +297,10 @@ syntax keyword typescriptCase                  case nextgroup=@typescriptPrimiti
 syntax keyword typescriptDefault               default containedin=typescriptBlock nextgroup=@typescriptValue,typescriptClassKeyword,typescriptInterfaceKeyword skipwhite oneline
 syntax keyword typescriptStatementKeyword      with
 syntax keyword typescriptStatementKeyword      yield skipwhite nextgroup=@typescriptValue containedin=typescriptBlock
-syntax keyword typescriptStatementKeyword      return skipwhite contained nextgroup=@typescriptValue containedin=typescriptBlock
 
 syntax keyword typescriptTry                   try
-syntax keyword typescriptExceptions            catch throw finally
+syntax keyword typescriptExceptions            throw finally
+syntax keyword typescriptExceptions            catch nextgroup=typescriptCall skipwhite skipempty oneline
 syntax keyword typescriptDebugger              debugger
 
 syntax keyword typescriptAsyncFor              await nextgroup=typescriptLoopParen skipwhite skipempty contained
@@ -321,6 +328,24 @@ syntax cluster typescriptAmbients contains=
   \ typescriptEnumKeyword,typescriptEnum,
   \ typescriptModule
 
+syntax keyword typescriptIdentifier            arguments  nextgroup=@afterIdentifier
+syntax match typescriptDefaultImportName /\v\h\k*( |,)/
+  \ contained
+  \ nextgroup=typescriptTypeBlock
+  \ skipwhite skipempty
+
+syntax region  typescriptTypeBlock
+  \ matchgroup=typescriptBraces
+  \ start=/{/ end=/}/
+  \ contained
+  \ contains=typescriptIdentifierName,typescriptImportType
+  \ fold
+
+"Program Keywords
+syntax keyword typescriptNull null undefined nextgroup=@typescriptSymbols skipwhite skipempty
+syntax keyword typescriptIdentifier this super prototype nextgroup=@afterIdentifier
+syntax keyword typescriptStatementKeyword return skipwhite contained nextgroup=@typescriptValue containedin=typescriptBlock
+
 "Syntax coloring for Node.js shebang line
 syntax match   shellbang "^#!.*node\>"
 syntax match   shellbang "^#!.*iojs\>"
@@ -536,7 +561,7 @@ syntax region typescriptGenericFunc matchgroup=typescriptTypeBrackets
   \ contained skipwhite skipnl
 
 syntax region typescriptFuncType matchgroup=typescriptParens
-  \ start=/(/ end=/)\s*=>/me=e-2
+  \ start=/(\(\k\+:\|)\)\@=/ end=/)\s*=>/me=e-2
   \ contains=@typescriptParameterList
   \ nextgroup=typescriptFuncTypeArrow
   \ contained skipwhite skipnl oneline
@@ -546,7 +571,6 @@ syntax match typescriptFuncTypeArrow /=>/
   \ containedin=typescriptFuncType
   \ contained skipwhite skipnl
 
-
 syntax keyword typescriptConstructorType new
   \ nextgroup=@typescriptFunctionType
   \ contained skipwhite skipnl
@@ -623,25 +647,24 @@ syntax keyword typescriptReadonlyArrayKeyword readonly
 
 
 " extension
-if get(g:, 'yats_host_keyword', 1)
-  syntax keyword typescriptGlobal containedin=typescriptIdentifierName Function Boolean
-  " use of nextgroup Suggested by Doug Kearns
+if get(g:, 'typescript_host_keyword', 1)
+  syntax keyword typescriptGlobal containedin=typescriptIdentifierName Function Boolean nextgroup=typescriptFuncCallArg
   syntax keyword typescriptGlobal containedin=typescriptIdentifierName Error EvalError nextgroup=typescriptFuncCallArg
-  syntax keyword typescriptGlobal containedin=typescriptIdentifierName InternalError
-  syntax keyword typescriptGlobal containedin=typescriptIdentifierName RangeError ReferenceError
-  syntax keyword typescriptGlobal containedin=typescriptIdentifierName StopIteration
-  syntax keyword typescriptGlobal containedin=typescriptIdentifierName SyntaxError TypeError
-  syntax keyword typescriptGlobal containedin=typescriptIdentifierName URIError Date
-  syntax keyword typescriptGlobal containedin=typescriptIdentifierName Float32Array
-  syntax keyword typescriptGlobal containedin=typescriptIdentifierName Float64Array
-  syntax keyword typescriptGlobal containedin=typescriptIdentifierName Int16Array Int32Array
-  syntax keyword typescriptGlobal containedin=typescriptIdentifierName Int8Array Uint16Array
-  syntax keyword typescriptGlobal containedin=typescriptIdentifierName Uint32Array Uint8Array
-  syntax keyword typescriptGlobal containedin=typescriptIdentifierName Uint8ClampedArray
-  syntax keyword typescriptGlobal containedin=typescriptIdentifierName ParallelArray
-  syntax keyword typescriptGlobal containedin=typescriptIdentifierName ArrayBuffer DataView
-  syntax keyword typescriptGlobal containedin=typescriptIdentifierName Iterator Generator
-  syntax keyword typescriptGlobal containedin=typescriptIdentifierName Reflect Proxy
+  syntax keyword typescriptGlobal containedin=typescriptIdentifierName InternalError nextgroup=typescriptFuncCallArg
+  syntax keyword typescriptGlobal containedin=typescriptIdentifierName RangeError ReferenceError nextgroup=typescriptFuncCallArg
+  syntax keyword typescriptGlobal containedin=typescriptIdentifierName StopIteration nextgroup=typescriptFuncCallArg
+  syntax keyword typescriptGlobal containedin=typescriptIdentifierName SyntaxError TypeError nextgroup=typescriptFuncCallArg
+  syntax keyword typescriptGlobal containedin=typescriptIdentifierName URIError Date nextgroup=typescriptFuncCallArg
+  syntax keyword typescriptGlobal containedin=typescriptIdentifierName Float32Array nextgroup=typescriptFuncCallArg
+  syntax keyword typescriptGlobal containedin=typescriptIdentifierName Float64Array nextgroup=typescriptFuncCallArg
+  syntax keyword typescriptGlobal containedin=typescriptIdentifierName Int16Array Int32Array nextgroup=typescriptFuncCallArg
+  syntax keyword typescriptGlobal containedin=typescriptIdentifierName Int8Array Uint16Array nextgroup=typescriptFuncCallArg
+  syntax keyword typescriptGlobal containedin=typescriptIdentifierName Uint32Array Uint8Array nextgroup=typescriptFuncCallArg
+  syntax keyword typescriptGlobal containedin=typescriptIdentifierName Uint8ClampedArray nextgroup=typescriptFuncCallArg
+  syntax keyword typescriptGlobal containedin=typescriptIdentifierName ParallelArray nextgroup=typescriptFuncCallArg
+  syntax keyword typescriptGlobal containedin=typescriptIdentifierName ArrayBuffer DataView nextgroup=typescriptFuncCallArg
+  syntax keyword typescriptGlobal containedin=typescriptIdentifierName Iterator Generator nextgroup=typescriptFuncCallArg
+  syntax keyword typescriptGlobal containedin=typescriptIdentifierName Reflect Proxy nextgroup=typescriptFuncCallArg
   syntax keyword typescriptGlobal containedin=typescriptIdentifierName arguments
   hi def link typescriptGlobal Structure
   syntax keyword typescriptGlobalMethod containedin=typescriptIdentifierName eval uneval nextgroup=typescriptFuncCallArg
@@ -675,12 +698,12 @@ if get(g:, 'yats_host_keyword', 1)
   hi def link typescriptStringStaticMethod Keyword
   syntax keyword typescriptStringMethod contained anchor charAt charCodeAt codePointAt nextgroup=typescriptFuncCallArg
   syntax keyword typescriptStringMethod contained concat endsWith includes indexOf lastIndexOf nextgroup=typescriptFuncCallArg
-  syntax keyword typescriptStringMethod contained link localeCompare match normalize nextgroup=typescriptFuncCallArg
-  syntax keyword typescriptStringMethod contained padStart padEnd repeat replace search nextgroup=typescriptFuncCallArg
+  syntax keyword typescriptStringMethod contained link localeCompare match matchAll normalize nextgroup=typescriptFuncCallArg
+  syntax keyword typescriptStringMethod contained padStart padEnd repeat replace replaceAll search nextgroup=typescriptFuncCallArg
   syntax keyword typescriptStringMethod contained slice split startsWith substr substring nextgroup=typescriptFuncCallArg
   syntax keyword typescriptStringMethod contained toLocaleLowerCase toLocaleUpperCase nextgroup=typescriptFuncCallArg
   syntax keyword typescriptStringMethod contained toLowerCase toString toUpperCase trim nextgroup=typescriptFuncCallArg
-  syntax keyword typescriptStringMethod contained valueOf nextgroup=typescriptFuncCallArg
+  syntax keyword typescriptStringMethod contained trimEnd trimStart valueOf nextgroup=typescriptFuncCallArg
   syntax cluster props add=typescriptStringMethod
   hi def link typescriptStringMethod Keyword
 
@@ -689,18 +712,18 @@ if get(g:, 'yats_host_keyword', 1)
   syntax keyword typescriptArrayStaticMethod contained from isArray of nextgroup=typescriptFuncCallArg
   hi def link typescriptArrayStaticMethod Keyword
   syntax keyword typescriptArrayMethod contained concat copyWithin entries every fill nextgroup=typescriptFuncCallArg
-  syntax keyword typescriptArrayMethod contained filter find findIndex forEach indexOf nextgroup=typescriptFuncCallArg
-  syntax keyword typescriptArrayMethod contained includes join keys lastIndexOf map nextgroup=typescriptFuncCallArg
+  syntax keyword typescriptArrayMethod contained filter find findIndex flat flatMap forEach nextgroup=typescriptFuncCallArg
+  syntax keyword typescriptArrayMethod contained includes indexOf join keys lastIndexOf map nextgroup=typescriptFuncCallArg
   syntax keyword typescriptArrayMethod contained pop push reduce reduceRight reverse nextgroup=typescriptFuncCallArg
   syntax keyword typescriptArrayMethod contained shift slice some sort splice toLocaleString nextgroup=typescriptFuncCallArg
-  syntax keyword typescriptArrayMethod contained toSource toString unshift nextgroup=typescriptFuncCallArg
+  syntax keyword typescriptArrayMethod contained toSource toString unshift values nextgroup=typescriptFuncCallArg
   syntax cluster props add=typescriptArrayMethod
   hi def link typescriptArrayMethod Keyword
 
   syntax keyword typescriptGlobal containedin=typescriptIdentifierName Object nextgroup=typescriptGlobalObjectDot,typescriptFuncCallArg
   syntax match   typescriptGlobalObjectDot /\./ contained nextgroup=typescriptObjectStaticMethod,typescriptProp
   syntax keyword typescriptObjectStaticMethod contained create defineProperties defineProperty nextgroup=typescriptFuncCallArg
-  syntax keyword typescriptObjectStaticMethod contained entries freeze getOwnPropertyDescriptors nextgroup=typescriptFuncCallArg
+  syntax keyword typescriptObjectStaticMethod contained entries freeze fromEntries getOwnPropertyDescriptors nextgroup=typescriptFuncCallArg
   syntax keyword typescriptObjectStaticMethod contained getOwnPropertyDescriptor getOwnPropertyNames nextgroup=typescriptFuncCallArg
   syntax keyword typescriptObjectStaticMethod contained getOwnPropertySymbols getPrototypeOf nextgroup=typescriptFuncCallArg
   syntax keyword typescriptObjectStaticMethod contained is isExtensible isFrozen isSealed nextgroup=typescriptFuncCallArg
@@ -715,7 +738,7 @@ if get(g:, 'yats_host_keyword', 1)
 
   syntax keyword typescriptGlobal containedin=typescriptIdentifierName Symbol nextgroup=typescriptGlobalSymbolDot,typescriptFuncCallArg
   syntax match   typescriptGlobalSymbolDot /\./ contained nextgroup=typescriptSymbolStaticProp,typescriptSymbolStaticMethod,typescriptProp
-  syntax keyword typescriptSymbolStaticProp contained length iterator match replace
+  syntax keyword typescriptSymbolStaticProp contained description length iterator match matchAll replace
   syntax keyword typescriptSymbolStaticProp contained search split hasInstance isConcatSpreadable
   syntax keyword typescriptSymbolStaticProp contained unscopables species toPrimitive
   syntax keyword typescriptSymbolStaticProp contained toStringTag
@@ -771,7 +794,7 @@ if get(g:, 'yats_host_keyword', 1)
   syntax match   typescriptGlobalRegExpDot /\./ contained nextgroup=typescriptRegExpStaticProp,typescriptProp
   syntax keyword typescriptRegExpStaticProp contained lastIndex
   hi def link typescriptRegExpStaticProp Keyword
-  syntax keyword typescriptRegExpProp contained global ignoreCase multiline source sticky
+  syntax keyword typescriptRegExpProp contained dotAll global ignoreCase multiline source sticky
   syntax cluster props add=typescriptRegExpProp
   hi def link typescriptRegExpProp Keyword
   syntax keyword typescriptRegExpMethod contained exec test nextgroup=typescriptFuncCallArg
@@ -805,7 +828,7 @@ if get(g:, 'yats_host_keyword', 1)
 
   syntax keyword typescriptGlobal containedin=typescriptIdentifierName Promise nextgroup=typescriptGlobalPromiseDot,typescriptFuncCallArg
   syntax match   typescriptGlobalPromiseDot /\./ contained nextgroup=typescriptPromiseStaticMethod,typescriptProp
-  syntax keyword typescriptPromiseStaticMethod contained resolve reject all race nextgroup=typescriptFuncCallArg
+  syntax keyword typescriptPromiseStaticMethod contained all allSettled any race reject resolve nextgroup=typescriptFuncCallArg
   hi def link typescriptPromiseStaticMethod Keyword
   syntax keyword typescriptPromiseMethod contained then catch finally nextgroup=typescriptFuncCallArg
   syntax cluster props add=typescriptPromiseMethod
@@ -1232,7 +1255,8 @@ if get(g:, 'yats_host_keyword', 1)
   syntax cluster props add=typescriptBOMHistoryMethod
   hi def link typescriptBOMHistoryMethod Keyword
 
-  syntax keyword typescriptGlobal containedin=typescriptIdentifierName console
+  syntax keyword typescriptGlobal containedin=typescriptIdentifierName console nextgroup=typescriptGlobalConsoleDot
+  syntax match   typescriptGlobalConsoleDot /\./ contained nextgroup=typescriptConsoleMethod,typescriptProp
   syntax keyword typescriptConsoleMethod contained count dir error group groupCollapsed nextgroup=typescriptFuncCallArg
   syntax keyword typescriptConsoleMethod contained groupEnd info log time timeEnd trace nextgroup=typescriptFuncCallArg
   syntax keyword typescriptConsoleMethod contained warn nextgroup=typescriptFuncCallArg
@@ -1735,8 +1759,6 @@ if get(g:, 'yats_host_keyword', 1)
   syntax keyword typescriptServiceWorkerEvent contained install activate fetch
   syntax cluster events add=typescriptServiceWorkerEvent
   hi def link typescriptServiceWorkerEvent Title
-
-
 endif
 
 " patch
@@ -1764,6 +1786,7 @@ syntax cluster typescriptPropertyMemberDeclaration contains=
   \ typescriptClassStatic,
   \ typescriptAccessibilityModifier,
   \ typescriptReadonlyModifier,
+  \ typescriptAutoAccessor,
   \ typescriptMethodAccessor,
   \ @typescriptMembers
   " \ typescriptMemberVariableDeclaration
@@ -1780,7 +1803,9 @@ syntax keyword typescriptClassStatic static
 
 syntax keyword typescriptAccessibilityModifier public private protected contained
 
-syntax keyword typescriptReadonlyModifier readonly contained
+syntax keyword typescriptReadonlyModifier readonly override contained
+
+syntax keyword typescriptAutoAccessor accessor contained
 
 syntax region  typescriptStringMember   contained
   \ start=/\z(["']\)/  skip=/\\\\\|\\\z1\|\\\n/  end=/\z1/
@@ -1789,7 +1814,7 @@ syntax region  typescriptStringMember   contained
 
 syntax region  typescriptComputedMember   contained matchgroup=typescriptProperty
   \ start=/\[/rs=s+1 end=/]/
-  \ contains=@typescriptValue,typescriptMember,typescriptMappedIn
+  \ contains=@typescriptValue,typescriptMember,typescriptMappedIn,typescriptCastKeyword
   \ nextgroup=@memberNextGroup
   \ skipwhite skipempty
 
@@ -1861,7 +1886,7 @@ syntax match typescriptInterfaceComma /,/ contained nextgroup=typescriptInterfac
 
 "Block VariableStatement EmptyStatement ExpressionStatement IfStatement IterationStatement ContinueStatement BreakStatement ReturnStatement WithStatement LabelledStatement SwitchStatement ThrowStatement TryStatement DebuggerStatement
 syntax cluster typescriptStatement
-  \ contains=typescriptBlock,typescriptVariable,
+  \ contains=typescriptBlock,typescriptVariable,typescriptUsing,
   \ @typescriptTopExpression,typescriptAssign,
   \ typescriptConditional,typescriptRepeat,typescriptBranch,
   \ typescriptLabel,typescriptStatementKeyword,
@@ -1899,16 +1924,14 @@ syntax cluster typescriptValue
 syntax cluster typescriptEventExpression       contains=typescriptArrowFuncDef,typescriptParenExp,@typescriptValue,typescriptRegexpString,@typescriptEventTypes,typescriptOperator,typescriptGlobal,jsxRegion
 
 syntax keyword typescriptAsyncFuncKeyword      async
-  \ nextgroup=typescriptFuncKeyword,typescriptArrowFuncDef
+  \ nextgroup=typescriptFuncKeyword,typescriptArrowFuncDef,typescriptArrowFuncTypeParameter
   \ skipwhite
 
 syntax keyword typescriptAsyncFuncKeyword      await
-  \ nextgroup=@typescriptValue
+  \ nextgroup=@typescriptValue,typescriptUsing
   \ skipwhite
 
-syntax keyword typescriptFuncKeyword           function
-  \ nextgroup=typescriptAsyncFunc,typescriptFuncName,@typescriptCallSignature
-  \ skipwhite skipempty
+syntax keyword typescriptFuncKeyword function nextgroup=typescriptAsyncFunc,typescriptFuncName,@typescriptCallSignature skipwhite skipempty
 
 syntax match   typescriptAsyncFunc             contained /*/
   \ nextgroup=typescriptFuncName,@typescriptCallSignature
@@ -1918,39 +1941,33 @@ syntax match   typescriptFuncName              contained /\K\k*/
   \ nextgroup=@typescriptCallSignature
   \ skipwhite
 
-" destructuring ({ a: ee }) =>
-syntax match   typescriptArrowFuncDef          contained /(\(\s*\({\_[^}]*}\|\k\+\)\(:\_[^)]\)\?,\?\)\+)\s*=>/
-  \ contains=typescriptArrowFuncArg,typescriptArrowFunc
-  \ nextgroup=@typescriptExpression,typescriptBlock
-  \ skipwhite skipempty
-
-" matches `(a) =>` or `([a]) =>` or
-" `(
-"  a) =>`
-syntax match   typescriptArrowFuncDef          contained /(\(\_s*[a-zA-Z\$_\[.]\_[^)]*\)*)\s*=>/
+syntax match   typescriptArrowFuncDef          contained /\K\k*\s*=>/
   \ contains=typescriptArrowFuncArg,typescriptArrowFunc
   \ nextgroup=@typescriptExpression,typescriptBlock
   \ skipwhite skipempty
 
-syntax match   typescriptArrowFuncDef          contained /\K\k*\s*=>/
-  \ contains=typescriptArrowFuncArg,typescriptArrowFunc
+syntax match   typescriptArrowFuncDef          contained /(\%(\_[^()]\+\|(\_[^()]*)\)*)\_s*=>/
+  \ contains=typescriptArrowFuncArg,typescriptArrowFunc,@typescriptCallSignature
   \ nextgroup=@typescriptExpression,typescriptBlock
   \ skipwhite skipempty
 
-" TODO: optimize this pattern
-syntax region   typescriptArrowFuncDef          contained start=/(\_[^(^)]*):/ end=/=>/
-  \ contains=typescriptArrowFuncArg,typescriptArrowFunc,typescriptTypeAnnotation
+syntax region  typescriptArrowFuncDef          contained start=/(\%(\_[^()]\+\|(\_[^()]*)\)*):/ matchgroup=typescriptArrowFunc end=/=>/
+  \ contains=typescriptArrowFuncArg,typescriptTypeAnnotation,@typescriptCallSignature
   \ nextgroup=@typescriptExpression,typescriptBlock
   \ skipwhite skipempty keepend
 
+syntax region  typescriptArrowFuncTypeParameter start=/</ end=/>/
+  \ contains=@typescriptTypeParameterCluster
+  \ nextgroup=typescriptArrowFuncDef
+  \ contained skipwhite skipnl
+
 syntax match   typescriptArrowFunc             /=>/
 syntax match   typescriptArrowFuncArg          contained /\K\k*/
-syntax region  typescriptArrowFuncArg          contained start=/<\|(/ end=/\ze=>/ contains=@typescriptCallSignature
 
 syntax region typescriptReturnAnnotation contained start=/:/ end=/{/me=e-1 contains=@typescriptType nextgroup=typescriptBlock
 
 
-syntax region typescriptFuncImpl contained start=/function\>/ end=/{/me=e-1
+syntax region typescriptFuncImpl contained start=/function\>/ end=/{\|;\|\n/me=e-1
   \ contains=typescriptFuncKeyword
   \ nextgroup=typescriptBlock
 
@@ -1970,7 +1987,7 @@ syntax match typescriptDecorator /@\([_$a-zA-Z][_$a-zA-Z0-9]*\.\)*[_$a-zA-Z][_$a
   \ nextgroup=typescriptFuncCallArg,typescriptTypeArguments
   \ contains=@_semantic,typescriptDotNotation
 
-" Define the default highlighting.
+
 hi def link typescriptReserved             Error
 
 hi def link typescriptEndColons            Exception
@@ -2013,6 +2030,7 @@ hi def link typescriptDefault              typescriptCase
 hi def link typescriptBranch               Conditional
 hi def link typescriptIdentifier           Structure
 hi def link typescriptVariable             Identifier
+hi def link typescriptUsing                Identifier
 hi def link typescriptDestructureVariable  PreProc
 hi def link typescriptEnumKeyword          Identifier
 hi def link typescriptRepeat               Repeat
@@ -2050,16 +2068,13 @@ hi def link typescriptFuncKeyword          Keyword
 hi def link typescriptAsyncFunc            Keyword
 hi def link typescriptArrowFunc            Type
 hi def link typescriptFuncName             Function
-hi def link typescriptFuncArg              PreProc
+hi def link typescriptFuncCallArg          PreProc
 hi def link typescriptArrowFuncArg         PreProc
 hi def link typescriptFuncComma            Operator
 
 hi def link typescriptClassKeyword         Keyword
 hi def link typescriptClassExtends         Keyword
-" hi def link typescriptClassName            Function
 hi def link typescriptAbstract             Special
-" hi def link typescriptClassHeritage        Function
-" hi def link typescriptInterfaceHeritage    Function
 hi def link typescriptClassStatic          StorageClass
 hi def link typescriptReadonlyModifier     Keyword
 hi def link typescriptInterfaceKeyword     Keyword
@@ -2077,6 +2092,7 @@ hi def link typescriptFuncTypeArrow         Function
 hi def link typescriptConstructorType       Function
 hi def link typescriptTypeQuery             Keyword
 hi def link typescriptAccessibilityModifier Keyword
+hi def link typescriptAutoAccessor          Keyword
 hi def link typescriptOptionalMark          PreProc
 hi def link typescriptFuncType              Special
 hi def link typescriptMappedIn              Special
diff --git a/runtime/syntax/spec.vim b/runtime/syntax/spec.vim
index 4cb3a343eb..730a0b8cc5 100644
--- a/runtime/syntax/spec.vim
+++ b/runtime/syntax/spec.vim
@@ -4,6 +4,7 @@
 " Maintainer:  Igor Gnatenko i.gnatenko.brain@gmail.com
 " Former Maintainer:  Donovan Rebbechi elflord@panix.com (until March 2014)
 " Last Change: 2020 May 25
+"  2024 Sep 10 by Vim Project: add file triggers support, #15569
 
 " quit when a syntax file was already loaded
 if exists("b:current_syntax")
@@ -111,7 +112,7 @@ syn region specDescriptionArea matchgroup=specSection start='^%description' end=
 syn region specPackageArea matchgroup=specSection start='^%package' end='^%'me=e-1 contains=specPackageOpts,specPreAmble,specComment
 
 "%% Scripts Section %%
-syn region specScriptArea matchgroup=specSection start='^%\(prep\|generate_buildrequires\|conf\|build\|install\|clean\|check\|pre\|postun\|preun\|post\|posttrans\)\>' skip='^%{\|^%\(define\|patch\d*\|configure\|GNUconfigure\|setup\|autosetup\|autopatch\|find_lang\|make_build\|makeinstall\|make_install\)\>' end='^%'me=e-1 contains=specSpecialVariables,specVariables,@specCommands,specVariables,shDo,shFor,shCaseEsac,specNoNumberHilite,specCommandOpts,shComment,shIf,specSpecialChar,specMacroIdentifier,specSectionMacroArea,specSectionMacroBracketArea,shOperator,shQuote1,shQuote2
+syn region specScriptArea matchgroup=specSection start='^%\(prep\|generate_buildrequires\|conf\|build\|install\|clean\|check\|pre\|postun\|preun\|post\|posttrans\|filetriggerin\|filetriggerun\|filetriggerpostun\|transfiletriggerin\|transfiletriggerun\|transfiletriggerpostun\)\>' skip='^%{\|^%\(define\|patch\d*\|configure\|GNUconfigure\|setup\|autosetup\|autopatch\|find_lang\|make_build\|makeinstall\|make_install\)\>' end='^%'me=e-1 contains=specSpecialVariables,specVariables,@specCommands,specVariables,shDo,shFor,shCaseEsac,specNoNumberHilite,specCommandOpts,shComment,shIf,specSpecialChar,specMacroIdentifier,specSectionMacroArea,specSectionMacroBracketArea,shOperator,shQuote1,shQuote2
 
 "%% Changelog Section %%
 syn region specChangelogArea matchgroup=specSection start='^%changelog' end='^%'me=e-1 contains=specEmail,specURL,specWeekday,specMonth,specNumber,specComment,specLicense
diff --git a/runtime/syntax/stylus.vim b/runtime/syntax/stylus.vim
index fd0f33b65a..d8bf641e60 100644
--- a/runtime/syntax/stylus.vim
+++ b/runtime/syntax/stylus.vim
@@ -4,17 +4,7 @@
 " Filenames: *.styl, *.stylus
 " Based On: Tim Pope (sass.vim)
 " Created:	Dec 14, 2011
-" Modified:	Apr 29, 2024
-
-if main_syntax == "css"
-  syn sync minlines=10
-endif
-
-" let b:current_syntax = "css"
-"
-if main_syntax == 'css'
-  unlet main_syntax
-endif
+" Modified:	May 28, 2024
 
 syn case ignore
 
diff --git a/runtime/syntax/sudoers.vim b/runtime/syntax/sudoers.vim
index bf2d337d9e..4cdf598be0 100644
--- a/runtime/syntax/sudoers.vim
+++ b/runtime/syntax/sudoers.vim
@@ -2,9 +2,10 @@
 " Language:             sudoers(5) configuration files
 " Maintainer:           Eisuke Kawashima ( e.kawaschima+vim AT gmail.com )
 " Previous Maintainer:  Nikolai Weibull <now@bitwi.se>
-" Latest Revision:      2021 Mar 15
+" Latest Revision:      2024 Sep 02
 " Recent Changes:	Support for #include and #includedir.
 " 			Added many new options (Samuel D. Leslie)
+" 			Update allowed Tag_Spec Runas_Spec syntax items
 
 if exists("b:current_syntax")
   finish
@@ -22,7 +23,7 @@ syn match   sudoersUserSpec '^' nextgroup=@sudoersUserInSpec skipwhite
 
 syn match   sudoersSpecEquals         contained '=' nextgroup=@sudoersCmndSpecList skipwhite
 
-syn cluster sudoersCmndSpecList       contains=sudoersUserRunasBegin,sudoersPASSWD,@sudoersCmndInSpec
+syn cluster sudoersCmndSpecList       contains=sudoersUserRunasBegin,sudoersTagSpec,@sudoersCmndInSpec
 
 syn keyword sudoersTodo               contained TODO FIXME XXX NOTE
 
@@ -92,10 +93,11 @@ syn cluster sudoersUserList         contains=sudoersUserListComma,sudoersUserLis
 syn match   sudoersUserSpecComma    contained ',' nextgroup=@sudoersUserInSpec  skipwhite skipnl
 syn cluster sudoersUserSpec         contains=sudoersUserSpecComma,@sudoersHostInSpec
 
-syn match   sudoersUserRunasBegin   contained '(' nextgroup=@sudoersUserInRunas skipwhite skipnl
+syn match   sudoersUserRunasBegin   contained '(' nextgroup=@sudoersUserInRunas,sudoersUserRunasColon skipwhite skipnl
 syn match   sudoersUserRunasComma   contained ',' nextgroup=@sudoersUserInRunas skipwhite skipnl
-syn match   sudoersUserRunasEnd     contained ')' nextgroup=sudoersPASSWD,@sudoersCmndInSpec skipwhite skipnl
-syn cluster sudoersUserRunas        contains=sudoersUserRunasComma,@sudoersUserInRunas,sudoersUserRunasEnd
+syn match   sudoersUserRunasColon   contained ':' nextgroup=@sudoersUserInRunas skipwhite skipnl
+syn match   sudoersUserRunasEnd     contained ')' nextgroup=sudoersTagSpec,@sudoersCmndInSpec skipwhite skipnl
+syn cluster sudoersUserRunas        contains=sudoersUserRunasComma,sudoersUserRunasColon,@sudoersUserInRunas,sudoersUserRunasEnd
 
 
 syn match   sudoersHostAliasEquals  contained '=' nextgroup=@sudoersHostInList  skipwhite skipnl
@@ -291,7 +293,7 @@ syn region  sudoersStringValue  contained start=+"+ skip=+\\"+ end=+"+ nextgroup
 syn match   sudoersListValue    contained '[^[:space:],:=\\]*\%(\\[[:space:],:=\\][^[:space:],:=\\]*\)*' nextgroup=sudoersParameterListComma skipwhite skipnl
 syn region  sudoersListValue    contained start=+"+ skip=+\\"+ end=+"+ nextgroup=sudoersParameterListComma skipwhite skipnl
 
-syn match   sudoersPASSWD                   contained '\%(NO\)\=PASSWD:' nextgroup=@sudoersCmndInSpec skipwhite
+syn match   sudoersTagSpec      contained '\%(NO\)\=\%(EXEC\|FOLLOW\|LOG_\%(INPUT\|OUTPUT\)\|MAIL\|INTERCEPT\|PASSWD\|SETENV\):' nextgroup=sudoersTagSpec,@sudoersCmndInSpec skipwhite
 
 hi def link sudoersSpecEquals               Operator
 hi def link sudoersTodo                     Todo
@@ -345,6 +347,7 @@ hi def link sudoersUserListColon            Delimiter
 hi def link sudoersUserSpecComma            Delimiter
 hi def link sudoersUserRunasBegin           Delimiter
 hi def link sudoersUserRunasComma           Delimiter
+hi def link sudoersUserRunasColon           Delimiter
 hi def link sudoersUserRunasEnd             Delimiter
 hi def link sudoersHostAliasEquals          Operator
 hi def link sudoersHostListComma            Delimiter
@@ -381,7 +384,7 @@ hi def link sudoersListParameterEquals      Operator
 hi def link sudoersIntegerValue             Number
 hi def link sudoersStringValue              String
 hi def link sudoersListValue                String
-hi def link sudoersPASSWD                   Special
+hi def link sudoersTagSpec                  Special
 hi def link sudoersInclude                  Statement
 
 let b:current_syntax = "sudoers"
diff --git a/runtime/syntax/swayconfig.vim b/runtime/syntax/swayconfig.vim
index 401412adfd..d09d476a5a 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: 1.2.3
-" Last Change: 2024-05-23
+" Version: 1.2.4
+" Last Change: 2024-05-24
 
 " References:
 " http://i3wm.org/docs/userguide.html#configuring
@@ -34,12 +34,12 @@ syn region i3ConfigBindArgument start=/--input-device=['"]/ end=/\s/ contained c
 
 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\+\(--[a-z-]\+ \)*\([A-Z$][$a-zA-Z0-9_+]\+\|[a-z]\) [a-z[]/ skip=/\\$\|$\n^\s*}$/ end=/$/ contains=i3ConfigBindArgument,i3ConfigBindCombo,i3ConfigParen keepend extend
+syn region swayConfigBlockOrphan start=/^\s\+\(--[a-z-]\+ \)*\([$A-Z][$0-9A-Za-z_+]\+\|[a-z]\) [a-z[]/ skip=/\\$\|$\n^\s*}$/ end=/$/ contains=i3ConfigBindArgument,i3ConfigBindCombo,i3ConfigParen keepend extend
 
 syn region i3ConfigExec start=/ {$/ end=/^\s*}$/ contained contains=i3ConfigExecAction,@i3ConfigSh,i3ConfigComment fold keepend extend
 
 syn keyword swayConfigFloatingModifierOpts normal inverse none contained
-syn match i3ConfigKeyword /floating_modifier \(none\|[$a-zA-Z0-9+]\+ \(normal\|inverse\)\)$/ contained contains=i3ConfigVariable,i3ConfigBindModkey,swayConfigFloatingModifierOpts
+syn match i3ConfigKeyword /floating_modifier \(none\|[$A-Z][0-9A-Za-z]\+ \(normal\|inverse\)\)$/ contained contains=i3ConfigVariable,i3ConfigBindModkey,swayConfigFloatingModifierOpts
 
 syn match swayConfigI3Param /--i3/ contains=i3ConfigShParam skipwhite nextgroup=i3ConfigEdgeOpts
 syn keyword i3ConfigKeyword hide_edge_borders contained skipwhite nextgroup=swayConfigI3Param,i3ConfigEdgeOpts
@@ -71,7 +71,7 @@ syn keyword i3ConfigBindKeyword bindswitch contained skipwhite nextgroup=swayCon
 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 nextgroup=swayConfigBindgestureArgument,swayConfigBindgestureCombo
+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 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
diff --git a/runtime/syntax/terraform.vim b/runtime/syntax/terraform.vim
new file mode 100644
index 0000000000..559dc79568
--- /dev/null
+++ b/runtime/syntax/terraform.vim
@@ -0,0 +1,17 @@
+" Vim syntax file
+" Language:    Terraform
+" Maintainer:  Gregory Anders
+" Upstream:    https://github.com/hashivim/vim-terraform
+" Last Change: 2024-09-03
+
+if exists('b:current_syntax')
+  finish
+endif
+
+runtime! syntax/hcl.vim
+
+syn keyword terraType string bool number object tuple list map set any
+
+hi def link terraType Type
+
+let b:current_syntax = 'terraform'
diff --git a/runtime/syntax/thrift.vim b/runtime/syntax/thrift.vim
new file mode 100644
index 0000000000..502e98852a
--- /dev/null
+++ b/runtime/syntax/thrift.vim
@@ -0,0 +1,74 @@
+" Vim syntax file
+" Language: Thrift
+" Original Author: Martin Smith <martin@facebook.com>
+" Maintainer: Yinzuo Jiang <jiangyinzuo@foxmail.com>
+" Last Change: 2024/07/29
+" https://github.com/apache/thrift/blob/master/contrib/thrift.vim
+"
+" Licensed to the Apache Software Foundation (ASF) under one
+" or more contributor license agreements. See the NOTICE file
+" distributed with this work for additional information
+" regarding copyright ownership. The ASF licenses this file
+" to you under the Apache License, Version 2.0 (the
+" "License"); you may not use this file except in compliance
+" with the License. You may obtain a copy of the License at
+"
+"   http://www.apache.org/licenses/LICENSE-2.0
+"
+" Unless required by applicable law or agreed to in writing,
+" software distributed under the License is distributed on an
+" "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+" KIND, either express or implied. See the License for the
+" specific language governing permissions and limitations
+" under the License.
+"
+
+if exists("b:current_syntax")
+  finish
+endif
+
+" Todo
+syn keyword thriftTodo TODO todo FIXME fixme XXX xxx contained
+
+" Comments
+syn match thriftComment "#.*" contains=thriftTodo
+syn region thriftComment start="/\*" end="\*/" contains=thriftTodo
+syn match thriftComment "//.\{-}\(?>\|$\)\@="
+
+" String
+syn region thriftStringDouble matchgroup=None start=+"+  end=+"+
+
+" Number
+syn match thriftNumber "-\=\<\d\+\>" contained
+
+" Keywords
+syn keyword thriftKeyword namespace
+syn keyword thriftKeyword xsd_all xsd_optional xsd_nillable xsd_attrs
+syn keyword thriftKeyword include cpp_include cpp_type const optional required
+syn keyword thriftBasicTypes void bool byte i8 i16 i32 i64 double string binary
+syn keyword thriftStructure map list set struct typedef exception enum throws union
+
+" Special
+syn match thriftSpecial "\d\+:"
+
+" Structure
+syn keyword thriftStructure service oneway extends
+"async"         { return tok_async;         }
+"exception"     { return tok_xception;      }
+"extends"       { return tok_extends;       }
+"throws"        { return tok_throws;        }
+"service"       { return tok_service;       }
+"enum"          { return tok_enum;          }
+"const"         { return tok_const;         }
+
+hi def link thriftComment Comment
+hi def link thriftKeyword Special
+hi def link thriftBasicTypes Type
+hi def link thriftStructure StorageClass
+hi def link thriftTodo Todo
+hi def link thriftString String
+hi def link thriftNumber Number
+hi def link thriftSpecial Special
+hi def link thriftStructure Structure
+
+let b:current_syntax = "thrift"
diff --git a/runtime/syntax/tmux.vim b/runtime/syntax/tmux.vim
index 9766ed55d7..4b8454dd51 100644
--- a/runtime/syntax/tmux.vim
+++ b/runtime/syntax/tmux.vim
@@ -1,5 +1,5 @@
 " Language: tmux(1) configuration file
-" Version: 3.4 (git-608d1134)
+" Version: 3.4 (git-3d8ead8a)
 " URL: https://github.com/ericpruitt/tmux.vim/
 " Maintainer: Eric Pruitt <eric.pruitt@gmail.com>
 " License: 2-Clause BSD (http://opensource.org/licenses/BSD-2-Clause)
@@ -28,7 +28,7 @@ syn match tmuxKey               /\(C-\|M-\|\^\)\+\S\+/ display
 syn match tmuxNumber            /\<\d\+\>/             display
 syn match tmuxFlags             /\s-\a\+/              display
 syn match tmuxVariableExpansion /\$\({[A-Za-z_]\w*}\|[A-Za-z_]\w*\)/ display
-syn match tmuxControl           /\(^\|\s\)%\(if\|elif\|else\|endif\)\($\|\s\)/ display
+syn match tmuxControl           /\(^\|\s\)%\(if\|elif\|else\|endif\|hidden\)\($\|\s\)/ display
 syn match tmuxEscape            /\\\(u\x\{4\}\|U\x\{8\}\|\o\{3\}\|[\\ernt$]\)/ display
 
 " Missing closing bracket.
@@ -37,7 +37,7 @@ syn match tmuxInvalidVariableExpansion /\${[^}]*$/ display
 syn match tmuxInvalidVariableExpansion /\${[^A-Za-z_][^}]*}/ display
 syn match tmuxInvalidVariableExpansion /\$[^A-Za-z_{ \t]/ display
 " Contains invalid character.
-syn match tmuxInvalidVariableExpansion /\${[^}]*[^A-Za-z0-9_][^}]*}/ display
+syn match tmuxInvalidVariableExpansion /\${[^}]*[^A-Za-z0-9_}][^}]*}/ display
 
 syn region tmuxComment start=/#/ skip=/\\\@<!\\$/ end=/$/ contains=tmuxTodo,@Spell
 
@@ -99,11 +99,11 @@ syn keyword tmuxOptions
 \ after-set-environment after-set-hook after-set-option after-show-environment
 \ after-show-messages after-show-options after-split-window after-unbind-key
 \ aggressive-resize alert-activity alert-bell alert-silence allow-passthrough
-\ allow-rename alternate-screen assume-paste-time automatic-rename
-\ automatic-rename-format backspace base-index bell-action buffer-limit
-\ client-active client-attached client-detached client-focus-in
+\ allow-rename allow-set-title alternate-screen assume-paste-time
+\ automatic-rename automatic-rename-format backspace base-index bell-action
+\ buffer-limit client-active client-attached client-detached client-focus-in
 \ client-focus-out client-resized client-session-changed clock-mode-color
-\ clock-mode-colour clock-mode-style command-alias copy-command
+\ clock-mode-colour clock-mode-style command-alias command-error copy-command
 \ copy-mode-current-match-style copy-mode-mark-style copy-mode-match-style
 \ cursor-color cursor-colour cursor-style default-command default-shell
 \ default-size default-terminal destroy-unattached detach-on-destroy
diff --git a/runtime/syntax/tsv.vim b/runtime/syntax/tsv.vim
new file mode 100644
index 0000000000..f0dd9f717d
--- /dev/null
+++ b/runtime/syntax/tsv.vim
@@ -0,0 +1,12 @@
+" Vim filetype plugin file
+" Language:	Tab separated values (TSV)
+" Last Change:	2024 Jul 16
+" This runtime file is looking for a new maintainer.
+
+if exists('b:current_syntax')
+  finish
+endif
+
+let b:csv_delimiter = '\t'  " enforce tab delimiter
+runtime! syntax/csv.vim
+let b:current_syntax = 'tsv'
diff --git a/runtime/syntax/typescript.vim b/runtime/syntax/typescript.vim
index 5389c21497..03520fd56a 100644
--- a/runtime/syntax/typescript.vim
+++ b/runtime/syntax/typescript.vim
@@ -1,7 +1,7 @@
 " Vim syntax file
 " Language:     TypeScript
 " Maintainer:   Herrington Darkholme
-" Last Change:  2023 Aug 13
+" Last Change:  2024 May 24
 " Based On:     Herrington Darkholme's yats.vim
 " Changes:      Go to https://github.com/HerringtonDarkholme/yats.vim for recent changes.
 " Origin:       https://github.com/othree/yajs
diff --git a/runtime/syntax/typescriptreact.vim b/runtime/syntax/typescriptreact.vim
index 1c510459f5..061ec4d81e 100644
--- a/runtime/syntax/typescriptreact.vim
+++ b/runtime/syntax/typescriptreact.vim
@@ -1,7 +1,7 @@
 " Vim syntax file
 " Language:     TypeScript with React (JSX)
 " Maintainer:   The Vim Project <https://github.com/vim/vim>
-" Last Change:  2023 Aug 13
+" Last Change:  2024 May 26
 " Based On:     Herrington Darkholme's yats.vim
 " Changes:      See https://github.com/HerringtonDarkholme/yats.vim
 " Credits:      See yats.vim on github
@@ -118,13 +118,14 @@ syntax match tsxEqual +=+ display contained
 
 " <tag id="sample">
 "         s~~~~~~e
-syntax region tsxString contained start=+"+ end=+"+ contains=tsxEntity,@Spell display
+syntax region tsxString contained start=+"+ skip=+\\"+ end=+"+ contains=tsxEntity,@Spell display
+syntax region tsxString contained start=+'+ skip=+\\'+ end=+'+ contains=tsxEntity,@Spell display
 
 " <tag key={this.props.key}>
 "          s~~~~~~~~~~~~~~e
 syntax region tsxEscJs
     \ contained
-    \ contains=@typescriptValue,@tsxComment
+    \ contains=@typescriptValue,@tsxComment,typescriptObjectSpread
     \ matchgroup=typescriptBraces
     \ start=+{+
     \ end=+}+
diff --git a/runtime/syntax/typst.vim b/runtime/syntax/typst.vim
new file mode 100644
index 0000000000..82fdadb3d5
--- /dev/null
+++ b/runtime/syntax/typst.vim
@@ -0,0 +1,472 @@
+" Vim syntax file
+" Language:    Typst
+" Maintainer:  Gregory Anders <greg@gpanders.com>
+" Last Change: 2024-07-14
+" Based on:    https://github.com/kaarmu/typst.vim
+
+if exists('b:current_syntax')
+    finish
+endif
+
+syntax sync fromstart
+syntax spell toplevel
+
+" Common {{{1
+syntax cluster typstCommon
+    \ contains=@typstComment
+
+" Common > Comment {{{2
+syntax cluster typstComment
+    \ contains=typstCommentBlock,typstCommentLine
+syntax match typstCommentBlock
+    \ #/\*\%(\_.\{-}\)\*/#
+    \ contains=typstCommentTodo,@Spell
+syntax match typstCommentLine
+    \ #//.*#
+    \ contains=typstCommentTodo,@Spell
+syntax keyword typstCommentTodo
+    \ contained
+    \ TODO FIXME XXX TBD
+
+
+" Code {{{1
+syntax cluster typstCode
+    \ contains=@typstCommon
+            \ ,@typstCodeKeywords
+            \ ,@typstCodeConstants
+            \ ,@typstCodeIdentifiers
+            \ ,@typstCodeFunctions
+            \ ,@typstCodeParens
+
+" Code > Keywords {{{2
+syntax cluster typstCodeKeywords
+    \ contains=typstCodeConditional
+            \ ,typstCodeRepeat
+            \ ,typstCodeKeyword
+            \ ,typstCodeStatement
+syntax keyword typstCodeConditional
+    \ contained
+    \ if else
+syntax keyword typstCodeRepeat
+    \ contained
+    \ while for
+syntax keyword typstCodeKeyword
+    \ contained
+    \ not in and or return
+syntax region typstCodeStatement
+    \ contained
+    \ matchgroup=typstCodeStatementWord start=/\v(let|set|import|include)>/
+    \ matchgroup=Noise end=/\v%(;|$)/
+    \ contains=@typstCode
+syntax region typstCodeStatement
+    \ contained
+    \ matchgroup=typstCodeStatementWord start=/show/
+    \ matchgroup=Noise end=/\v%(:|$)/ keepend
+    \ contains=@typstCode
+    \ skipwhite nextgroup=@typstCode,typstCodeShowRocket
+syntax match typstCodeShowRocket
+    \ contained
+    \ /.*=>/
+    \ contains=@typstCode
+    \ skipwhite nextgroup=@typstCode
+
+" Code > Identifiers {{{2
+syntax cluster typstCodeIdentifiers
+    \ contains=typstCodeIdentifier
+            \ ,typstCodeFieldAccess
+syntax match typstCodeIdentifier
+    \ contained
+    \ /\v\w\k*>(<%(let|set|show|import|include))@<![\.\[\(]@!/
+syntax match typstCodeFieldAccess
+    \ contained
+    \ /\v\w\k*>(<%(let|set|show|import|include))@<!\.[\[\(]@!/
+    \ nextgroup=typstCodeFieldAccess,typstCodeFunction
+
+" Code > Functions {{{2
+syntax cluster typstCodeFunctions
+    \ contains=typstCodeFunction
+syntax match typstCodeFunction
+    \ contained
+    \ /\v\w\k*>(<%(let|set|show|import|include))@<![\(\[]@=/
+    \ nextgroup=typstCodeFunctionArgument
+syntax match typstCodeFunctionArgument
+    \ contained
+    \ /\v%(%(\(.{-}\)|\[.{-}\]|\{.{-}\}))*/ transparent
+    \ contains=@typstCode
+
+" Code > Constants {{{2
+syntax cluster typstCodeConstants
+    \ contains=typstCodeConstant
+            \ ,typstCodeNumberInteger
+            \ ,typstCodeNumberFloat
+            \ ,typstCodeNumberLength
+            \ ,typstCodeNumberAngle
+            \ ,typstCodeNumberRatio
+            \ ,typstCodeNumberFraction
+            \ ,typstCodeString
+            \ ,typstCodeLabel
+syntax match typstCodeConstant
+    \ contained
+    \ /\v<%(none|auto|true|false)-@!>/
+syntax match typstCodeNumberInteger
+    \ contained
+    \ /\v<\d+>/
+
+syntax match typstCodeNumberFloat
+    \ contained
+    \ /\v<\d+\.\d*>/
+syntax match typstCodeNumberLength
+    \ contained
+    \ /\v<\d+(\.\d*)?(pt|mm|cm|in|em)>/
+syntax match typstCodeNumberAngle
+    \ contained
+    \ /\v<\d+(\.\d*)?(deg|rad)>/
+syntax match typstCodeNumberRatio
+    \ contained
+    \ /\v<\d+(\.\d*)?\%/
+syntax match typstCodeNumberFraction
+    \ contained
+    \ /\v<\d+(\.\d*)?fr>/
+syntax region typstCodeString
+    \ contained
+    \ start=/"/ skip=/\v\\\\|\\"/ end=/"/
+    \ contains=@Spell
+syntax match typstCodeLabel
+    \ contained
+    \ /\v\<\K%(\k*-*)*\>/
+
+" Code > Parens {{{2
+syntax cluster typstCodeParens
+    \ contains=typstCodeParen
+            \ ,typstCodeBrace
+            \ ,typstCodeBracket
+            \ ,typstCodeDollar
+            \ ,typstMarkupRawInline
+            \ ,typstMarkupRawBlock
+syntax region typstCodeParen
+    \ contained
+    \ matchgroup=Noise start=/(/ end=/)/
+    \ contains=@typstCode
+syntax region typstCodeBrace
+    \ contained
+    \ matchgroup=Noise start=/{/ end=/}/
+    \ contains=@typstCode
+syntax region typstCodeBracket
+    \ contained
+    \ matchgroup=Noise start=/\[/ end=/\]/
+    \ contains=@typstMarkup
+syntax region typstCodeDollar
+    \ contained
+    \ matchgroup=Number start=/\\\@<!\$/ end=/\\\@<!\$/
+    \ contains=@typstMath
+
+
+" Hashtag {{{1
+syntax cluster typstHashtag
+    \ contains=@typstHashtagKeywords
+            \ ,@typstHashtagConstants
+            \ ,@typstHashtagIdentifiers
+            \ ,@typstHashtagFunctions
+            \ ,@typstHashtagParens
+
+" Hashtag > Keywords {{{2
+syntax cluster typstHashtagKeywords
+    \ contains=typstHashtagConditional
+            \ ,typstHashtagRepeat
+            \ ,typstHashtagKeywords
+            \ ,typstHashtagStatement
+
+" syntax match typstHashtagControlFlowError
+"     \ /\v#%(if|while|for)>-@!.{-}$\_.{-}%(\{|\[|\()/
+syntax match typstHashtagControlFlow
+    \ /\v#%(if|while|for)>.{-}\ze%(\{|\[|\()/
+    \ contains=typstHashtagConditional,typstHashtagRepeat
+    \ nextgroup=@typstCode
+syntax region typstHashtagConditional
+    \ contained
+    \ start=/\v#if>/ end=/\v\ze(\{|\[)/
+    \ contains=@typstCode
+syntax region typstHashtagRepeat
+    \ contained
+    \ start=/\v#(while|for)>/ end=/\v\ze(\{|\[)/
+    \ contains=@typstCode
+syntax match typstHashtagKeyword
+    \ /\v#(return)>/
+    \ skipwhite nextgroup=@typstCode
+syntax region typstHashtagStatement
+    \ matchgroup=typstHashtagStatementWord start=/\v#(let|set|import|include)>/
+    \ matchgroup=Noise end=/\v%(;|$)/
+    \ contains=@typstCode
+syntax region typstHashtagStatement
+    \ matchgroup=typstHashtagStatementWord start=/#show/
+    \ matchgroup=Noise end=/\v%(:|$)/ keepend
+    \ contains=@typstCode
+    \ skipwhite nextgroup=@typstCode,typstCodeShowRocket
+
+" Hashtag > Constants {{{2
+syntax cluster typstHashtagConstants
+    \ contains=typstHashtagConstant
+syntax match typstHashtagConstant
+    \ /\v#(none|auto|true|false)>/
+
+" Hashtag > Identifiers {{{2
+syntax cluster typstHashtagIdentifiers
+    \ contains=typstHashtagIdentifier
+            \ ,typstHashtagFieldAccess
+syntax match typstHashtagIdentifier
+    \ /\v#\w\k*>(<%(let|set|show|import|include))@<![\.\[\(]@!/
+syntax match typstHashtagFieldAccess
+    \ /\v#\w\k*>(<%(let|set|show|import|include))@<!\.[\[\(]@!/
+    \ nextgroup=typstCodeFieldAccess,typstCodeFunction
+
+" Hashtag > Functions {{{2
+syntax cluster typstHashtagFunctions
+    \ contains=typstHashtagFunction
+syntax match typstHashtagFunction
+    \ /\v#\w\k*>(<%(let|set|show|import|include))@<![\(\[]@=/
+    \ nextgroup=typstCodeFunctionArgument
+
+" Hashtag > Parens {{{2
+syntax cluster typstHashtagParens
+    \ contains=typstHashtagParen
+            \ ,typstHashtagBrace
+            \ ,typstHashtagBracket
+            \ ,typstHashtagDollar
+syntax region typstHashtagParen
+    \ matchgroup=Noise start=/#(/ end=/)/
+    \ contains=@typstCode
+syntax region typstHashtagBrace
+    \ matchgroup=Noise start=/#{/ end=/}/
+    \ contains=@typstCode
+syntax region typstHashtagBracket
+    \ matchgroup=Noise start=/#\[/ end=/\]/
+    \ contains=@typstMarkup
+syntax region typstHashtagDollar
+    \ matchgroup=Noise start=/#\$/ end=/\\\@<!\$/
+    \ contains=@typstMath
+
+
+" Markup {{{1
+syntax cluster typstMarkup
+    \ contains=@typstCommon
+            \ ,@Spell
+            \ ,@typstHashtag
+            \ ,@typstMarkupText
+            \ ,@typstMarkupParens
+
+" Markup > Text {{{2
+syntax cluster typstMarkupText
+    \ contains=typstMarkupRawInline
+            \ ,typstMarkupRawBlock
+            \ ,typstMarkupLabel
+            \ ,typstMarkupReference
+            \ ,typstMarkupUrl
+            \ ,typstMarkupHeading
+            \ ,typstMarkupBulletList
+            \ ,typstMarkupEnumList
+            \ ,typstMarkupTermList
+            \ ,typstMarkupBold
+            \ ,typstMarkupItalic
+            \ ,typstMarkupLinebreak
+            \ ,typstMarkupNonbreakingSpace
+            \ ,typstMarkupShy
+            \ ,typstMarkupDash
+            \ ,typstMarkupEllipsis
+
+" Raw Text
+syntax match typstMarkupRawInline
+    \ /`.\{-}`/
+syntax region typstMarkupRawBlock
+    \ matchgroup=Macro start=/```\w*/
+    \ matchgroup=Macro end=/```/ keepend
+syntax region typstMarkupCodeBlockTypst
+    \ matchgroup=Macro start=/```typst/
+    \ matchgroup=Macro end=/```/ contains=@typstCode keepend
+    \ concealends
+
+for s:name in get(g:, 'typst_embedded_languages', [])
+    let s:include = ['syntax include'
+                \   ,'@typstEmbedded_'..s:name
+                \   ,'syntax/'..s:name..'.vim']
+    let s:rule = ['syn region'
+                \,s:name
+                \,'matchgroup=Macro'
+                \,'start=/```'..s:name..'\>/ end=/```/' 
+                \,'contains=@typstEmbedded_'..s:name 
+                \,'keepend'
+                \,'concealends']
+    execute 'silent! ' .. join(s:include, ' ')
+    unlet! b:current_syntax
+    execute join(s:rule, ' ')
+endfor
+
+" Label & Reference
+syntax match typstMarkupLabel
+    \ /\v\<\K%(\k*-*)*\>/
+syntax match typstMarkupReference
+    \ /\v\@\K%(\k*-*)*/
+
+" URL
+syntax match typstMarkupUrl
+    \ #\v\w+://\S*#
+
+" Heading
+syntax match typstMarkupHeading
+    \ /^\s*\zs=\{1,6}\s.*$/
+    \ contains=typstMarkupLabel,@Spell
+
+" Lists
+syntax match typstMarkupBulletList
+    \ /\v^\s*-\s+/
+syntax match typstMarkupEnumList
+    \ /\v^\s*(\+|\d+\.)\s+/
+syntax region typstMarkupTermList
+    \ oneline start=/\v^\s*\/\s/ end=/:/
+    \ contains=@typstMarkup
+
+" Bold & Italic
+syntax match typstMarkupBold
+    \ /\v(\w|\\)@1<!\*\S@=.{-}(\n.{-1,})*\S@1<=\\@1<!\*/
+    \ contains=typstMarkupBoldRegion
+syntax match typstMarkupItalic
+    \ /\v(\w|\\)@1<!_\S@=.{-}(\n.{-1,})*\S@1<=\\@1<!_/
+    \ contains=typstMarkupItalicRegion
+syntax match typstMarkupBoldItalic
+    \ contained
+    \ /\v(\w|\\)@1<![_\*]\S@=.{-}(\n.{-1,})*\S@1<=\\@1<!\2/
+    \ contains=typstMarkupBoldRegion,typstMarkupItalicRegion
+syntax region typstMarkupBoldRegion
+    \ contained
+    \ transparent matchgroup=typstMarkupBold
+    \ start=/\(^\|[^0-9a-zA-Z]\)\@<=\*/ end=/\*\($\|[^0-9a-zA-Z]\)\@=/
+    \ concealends contains=typstMarkupBoldItalic,typstMarkupLabel,@Spell
+syntax region typstMarkupItalicRegion
+    \ contained
+    \ transparent matchgroup=typstMarkupItalic
+    \ start=/\(^\|[^0-9a-zA-Z]\)\@<=_/ end=/_\($\|[^0-9a-zA-Z]\)\@=/
+    \ concealends contains=typstMarkupBoldItalic,typstMarkupLabel,@Spell
+
+" Linebreak & Special Whitespace
+syntax match typstMarkupLinebreak
+    \ /\\\\/
+syntax match typstMarkupNonbreakingSpace
+    \ /\~/
+syntax match typstMarkupShy
+    \ /-?/
+
+" Special Symbols
+syntax match typstMarkupDash
+    \ /-\{2,3}/
+syntax match typstMarkupEllipsis
+    \ /\.\.\./
+
+" Markup > Parens {{{2
+syntax cluster typstMarkupParens
+    \ contains=typstMarkupBracket
+            \ ,typstMarkupDollar
+syntax region typstMarkupBracket
+    \ matchgroup=Noise start=/\[/ end=/\]/
+    \ contains=@typstMarkup
+syntax region typstMarkupDollar
+    \ matchgroup=Special start=/\\\@<!\$/ end=/\\\@<!\$/
+    \ contains=@typstMath
+
+
+" Math {{{1
+syntax cluster typstMath
+    \ contains=@typstCommon
+            \ ,@typstHashtag
+            \ ,typstMathIdentifier
+            \ ,typstMathFunction
+            \ ,typstMathNumber
+            \ ,typstMathSymbol
+            \ ,typstMathBold
+            \ ,typstMathScripts
+            \ ,typstMathQuote
+
+syntax match typstMathIdentifier
+    \ /\a\a\+/
+    \ contained
+syntax match typstMathFunction
+    \ /\a\a\+\ze(/
+    \ contained
+syntax match typstMathNumber
+    \ /\<\d\+\>/
+    \ contained
+syntax region typstMathQuote
+    \ matchgroup=String start=/"/ skip=/\\"/ end=/"/
+    \ contained
+
+" Math > Linked groups {{{2
+highlight default link typstMathIdentifier          Identifier
+highlight default link typstMathFunction            Statement
+highlight default link typstMathNumber              Number
+highlight default link typstMathSymbol              Statement
+
+" Highlighting {{{1
+
+" Highlighting > Linked groups {{{2
+highlight default link typstCommentBlock            Comment
+highlight default link typstCommentLine             Comment
+highlight default link typstCommentTodo             Todo
+highlight default link typstCodeConditional         Conditional
+highlight default link typstCodeRepeat              Repeat
+highlight default link typstCodeKeyword             Keyword
+highlight default link typstCodeConstant            Constant
+highlight default link typstCodeNumberInteger       Number
+highlight default link typstCodeNumberFloat         Number
+highlight default link typstCodeNumberLength        Number
+highlight default link typstCodeNumberAngle         Number
+highlight default link typstCodeNumberRatio         Number
+highlight default link typstCodeNumberFraction      Number
+highlight default link typstCodeString              String
+highlight default link typstCodeLabel               Structure
+highlight default link typstCodeStatementWord       Statement
+highlight default link typstCodeIdentifier          Identifier
+highlight default link typstCodeFieldAccess         Identifier
+highlight default link typstCodeFunction            Function
+highlight default link typstCodeParen               Noise
+highlight default link typstCodeBrace               Noise
+highlight default link typstCodeBracket             Noise
+highlight default link typstCodeDollar              Noise
+" highlight default link typstHashtagControlFlowError Error
+highlight default link typstHashtagConditional      Conditional
+highlight default link typstHashtagRepeat           Repeat
+highlight default link typstHashtagKeyword          Keyword
+highlight default link typstHashtagConstant         Constant
+highlight default link typstHashtagStatementWord    Statement
+highlight default link typstHashtagIdentifier       Identifier
+highlight default link typstHashtagFieldAccess      Identifier
+highlight default link typstHashtagFunction         Function
+highlight default link typstHashtagParen            Noise
+highlight default link typstHashtagBrace            Noise
+highlight default link typstHashtagBracket          Noise
+highlight default link typstHashtagDollar           Noise
+highlight default link typstMarkupRawInline         Macro
+highlight default link typstMarkupRawBlock          Macro
+highlight default link typstMarkupLabel             Structure
+highlight default link typstMarkupReference         Structure
+highlight default link typstMarkupBulletList        Structure
+" highlight default link typstMarkupItalicError       Error
+" highlight default link typstMarkupBoldError         Error
+highlight default link typstMarkupEnumList          Structure
+highlight default link typstMarkupLinebreak         Structure
+highlight default link typstMarkupNonbreakingSpace  Structure
+highlight default link typstMarkupShy               Structure
+highlight default link typstMarkupDash              Structure
+highlight default link typstMarkupEllipsis          Structure
+highlight default link typstMarkupTermList          Structure
+highlight default link typstMarkupDollar            Noise
+
+" Highlighting > Custom Styling {{{2
+highlight! Conceal ctermfg=NONE ctermbg=NONE guifg=NONE guibg=NONE
+
+highlight default typstMarkupHeading                    term=underline,bold     cterm=underline,bold    gui=underline,bold
+highlight default typstMarkupUrl                        term=underline          cterm=underline         gui=underline
+highlight default typstMarkupBold                       term=bold               cterm=bold              gui=bold
+highlight default typstMarkupItalic                     term=italic             cterm=italic            gui=italic
+highlight default typstMarkupBoldItalic                 term=bold,italic        cterm=bold,italic       gui=bold,italic
+
+let b:current_syntax = 'typst'
+
+" }}}1
diff --git a/runtime/syntax/vim.vim b/runtime/syntax/vim.vim
index 4fc640bab1..9073c6e7bf 100644
--- a/runtime/syntax/vim.vim
+++ b/runtime/syntax/vim.vim
@@ -36,8 +36,8 @@ syn keyword vimOnlyOption contained	nobiosk nobioskey noconsk noconskey nocp noc
 " Invertible setting variants
 syn keyword vimOnlyOption contained	invbiosk invbioskey invconsk invconskey invcp invcompatible invguipty invmacatsui invsn invshortname invta invtextauto invtx invtextmode invtf invttyfast invtbi invttybuiltin invwiv invweirdinvert
 " termcap codes (which can also be set) {{{2
-" GEN_SYN_VIM: vimOption term output code, START_STR='syn keyword vimOption contained', END_STR=''
-syn keyword vimOption contained t_AB t_AF t_AU t_AL t_al t_bc t_BE t_BD t_cd t_ce t_Ce t_CF t_cl t_cm t_Co t_CS t_Cs t_cs t_CV t_da t_db t_DL t_dl t_ds t_Ds t_EC t_EI t_fs t_fd t_fe t_GP t_IE t_IS t_ke t_ks t_le t_mb t_md t_me t_mr t_ms t_nd t_op t_RF t_RB t_RC t_RI t_Ri t_RK t_RS t_RT t_RV t_Sb t_SC t_se t_Sf t_SH t_SI t_Si t_so t_SR t_sr t_ST t_Te t_te t_TE t_ti t_TI t_Ts t_ts t_u7 t_ue t_us t_Us t_ut t_vb t_ve t_vi t_VS t_vs t_WP t_WS t_XM t_xn t_xs t_ZH t_ZR t_8f t_8b t_8u
+" GEN_SYN_VIM: vimOption term output code, START_STR='syn keyword vimOption contained', END_STR='skipwhite nextgroup=vimSetEqual,vimSetMod'
+syn keyword vimOption contained t_AB t_AF t_AU t_AL t_al t_bc t_BE t_BD t_cd t_ce t_Ce t_CF t_cl t_cm t_Co t_CS t_Cs t_cs t_CV t_da t_db t_DL t_dl t_ds t_Ds t_EC t_EI t_fs t_fd t_fe t_GP t_IE t_IS t_ke t_ks t_le t_mb t_md t_me t_mr t_ms t_nd t_op t_RF t_RB t_RC t_RI t_Ri t_RK t_RS t_RT t_RV t_Sb t_SC t_se t_Sf t_SH t_SI t_Si t_so t_SR t_sr t_ST t_Te t_te t_TE t_ti t_TI t_Ts t_ts t_u7 t_ue t_us t_Us t_ut t_vb t_ve t_vi t_VS t_vs t_WP t_WS t_XM t_xn t_xs t_ZH t_ZR t_8f t_8b t_8u t_xo skipwhite nextgroup=vimSetEqual,vimSetMod
 " term key codes
 syn keyword vimOption contained	t_F1 t_F2 t_F3 t_F4 t_F5 t_F6 t_F7 t_F8 t_F9 t_k1 t_K1 t_k2 t_k3 t_K3 t_k4 t_K4 t_k5 t_K5 t_k6 t_K6 t_k7 t_K7 t_k8 t_K8 t_k9 t_K9 t_KA t_kb t_kB t_KB t_KC t_kd t_kD t_KD t_KE t_KF t_KG t_kh t_KH t_kI t_KI t_KJ t_KK t_kl t_KL t_kN t_kP t_kr t_ku
 syn match   vimTermOption contained	"t_%1"
@@ -60,15 +60,20 @@ syn case ignore
 syn keyword vimGroup contained	Comment Constant String Character Number Boolean Float Identifier Function Statement Conditional Repeat Label Operator Keyword Exception PreProc Include Define Macro PreCondit Type StorageClass Structure Typedef Special SpecialChar Tag Delimiter SpecialComment Debug Underlined Ignore Error Todo
 
 " Default highlighting groups {{{2
-syn keyword vimHLGroup contained ErrorMsg IncSearch ModeMsg NonText StatusLine StatusLineNC EndOfBuffer VertSplit DiffText PmenuSbar TabLineSel TabLineFill Cursor lCursor QuickFixLine CursorLineSign CursorLineFold CurSearch PmenuKind PmenuKindSel PmenuExtra PmenuExtraSel Normal Directory LineNr CursorLineNr MoreMsg Question Search SpellBad SpellCap SpellRare SpellLocal PmenuThumb Pmenu PmenuSel SpecialKey Title WarningMsg WildMenu Folded FoldColumn SignColumn Visual DiffAdd DiffChange DiffDelete TabLine CursorColumn CursorLine ColorColumn Conceal MatchParen CursorIM LineNrAbove LineNrBelow
-syn keyword vimOnlyHLGroup contained	Menu Scrollbar StatusLineTerm StatusLineTermNC ToolbarButton ToolbarLine Tooltip VisualNOS
+syn keyword vimHLGroup contained ErrorMsg IncSearch ModeMsg NonText StatusLine StatusLineNC EndOfBuffer VertSplit DiffText PmenuSbar TabLineSel TabLineFill Cursor lCursor QuickFixLine CursorLineSign CursorLineFold CurSearch PmenuKind PmenuKindSel PmenuMatch PmenuMatchSel PmenuExtra PmenuExtraSel Normal Directory LineNr CursorLineNr MoreMsg Question Search SpellBad SpellCap SpellRare SpellLocal PmenuThumb Pmenu PmenuSel SpecialKey Title WarningMsg WildMenu Folded FoldColumn SignColumn Visual DiffAdd DiffChange DiffDelete TabLine CursorColumn CursorLine ColorColumn MatchParen StatusLineTerm StatusLineTermNC CursorIM LineNrAbove LineNrBelow
+syn match vimHLGroup contained "\<Conceal\>"
+syn keyword vimOnlyHLGroup contained	Menu Scrollbar ToolbarButton ToolbarLine Tooltip VisualNOS
 syn keyword nvimHLGroup contained	FloatBorder FloatFooter FloatTitle MsgSeparator NormalFloat NormalNC Substitute TermCursor TermCursorNC VisualNC Whitespace WinBar WinBarNC WinSeparator
 "}}}2
 syn case match
 
 " Special Vim Highlighting (not automatic) {{{1
 
-" Set up folding commands for this syntax highlighting file {{{2
+" Set up commands for this syntax highlighting file {{{2
+
+com! -nargs=* Vim9 execute <q-args> s:vim9script ? "" : "contained"
+com! -nargs=* VimL execute <q-args> s:vim9script ? "contained" : ""
+
 if exists("g:vimsyn_folding") && g:vimsyn_folding =~# '[afhHlmpPrt]'
  if g:vimsyn_folding =~# 'a'
   com! -nargs=* VimFolda <args> fold
@@ -151,6 +156,14 @@ else
  let s:vimsyn_maxlines= 60
 endif
 
+" Nulls {{{2
+" =====
+Vim9 syn keyword  vim9Null	null null_blob null_channel null_class null_dict null_function null_job null_list null_object null_partial null_string
+
+" Booleans {{{2
+" ========
+Vim9 syn keyword vim9Boolean	true false
+
 " Numbers {{{2
 " =======
 syn case ignore
@@ -164,9 +177,11 @@ syn match	vimNumber	'\%(^\|\A\)\zs#\x\{6}'		skipwhite nextgroup=vimGlobal,vimSub
 syn case match
 
 " All vimCommands are contained by vimIsCommand. {{{2
-syn cluster vimCmdList	contains=vimAbb,vimAddress,vimAutoCmd,vimAugroup,vimBehave,vimDef,@vimEcho,vimEnddef,vimEndfunction,vimExecute,vimIsCommand,vimExtCmd,vimFor,vimFunction,vimGlobal,vimHighlight,vimLet,vimMap,vimMark,vimNotFunc,vimNorm,vimSet,vimSyntax,vimUnlet,vimUnmap,vimUserCmd,vimMenu,vimMenutranslate
+syn cluster vimCmdList	contains=vimAbb,vimAddress,vimAutoCmd,vimAugroup,vimBehave,vimCall,vimCatch,vimConst,vimDef,vimDelcommand,@vimEcho,vimEnddef,vimEndfunction,vimExecute,vimIsCommand,vimExtCmd,vimFor,vimFunction,vimFuncFold,vimGlobal,vimHighlight,vimLet,vimLoadkeymap,vimMap,vimMark,vimMatch,vimNotFunc,vimNorm,vimSet,vimSleep,vimSyntax,vimThrow,vimUnlet,vimUnmap,vimUserCmd,vimMenu,vimMenutranslate,@vim9CmdList
+syn cluster vim9CmdList	contains=vim9Const,vim9Final,vim9For,vim9Var
 syn match vimCmdSep	"[:|]\+"	skipwhite nextgroup=@vimCmdList,vimSubst1
 syn match vimIsCommand	"\<\%(\h\w*\|[23]mat\%[ch]\)\>"	contains=vimCommand
+syn match vimBang	      contained	"!"
 syn match vimVar	      contained	"\<\h[a-zA-Z0-9#_]*\>"
 syn match vimVar		"\<[bwglstav]:\h[a-zA-Z0-9#_]*\>"
 syn match vimVar	      	"\s\zs&\%([lg]:\)\=\a\+\>"
@@ -175,7 +190,8 @@ syn match vimVar        	"\s\zs&t_k;"
 syn match vimFBVar      contained   "\<[bwglstav]:\h[a-zA-Z0-9#_]*\>"
 syn keyword vimCommand  contained	in
 
-syn cluster vimExprList contains=vimEnvvar,vimFunc,vimFuncVar,vimNumber,vimOper,vimOperParen,vimLetRegister,vimString,vimVar
+syn cluster vimExprList	contains=vimEnvvar,vimFunc,vimNumber,vimOper,vimOperParen,vimLetRegister,vimString,vimVar,@vim9ExprList
+syn cluster vim9ExprList	contains=vim9Boolean,vim9Null
 
 " Insertions And Appends: insert append {{{2
 "   (buftype != nofile test avoids having append, change, insert show up in the command window)
@@ -195,6 +211,15 @@ syn match   vimBehave	"\<be\%[have]\>"	nextgroup=vimBehaveBang,vimBehaveModel,vi
 syn match   vimBehaveBang	contained	"\a\@1<=!" nextgroup=vimBehaveModel skipwhite
 syn keyword vimBehaveModel	contained	mswin	xterm
 
+" Call {{{2
+" ====
+syn match vimCall	"\<call\=\>"	skipwhite nextgroup=vimFunc
+
+" Exception Handling {{{2
+syn keyword	vimThrow	th[row]	skipwhite nextgroup=@vimExprList
+syn keyword	vimCatch	cat[ch]	skipwhite nextgroup=vimCatchPattern
+syn region	vimCatchPattern	contained	matchgroup=Delimiter start="\z([!#$%&'()*+,-./:;<=>?@[\]^_`{}~]\)" skip="\\\\\|\\\z1" end="\z1" contains=@vimSubstList oneline
+
 " Filetypes {{{2
 " =========
 syn match   vimFiletype	"\<filet\%[ype]\(\s\+\I\i*\)*"	skipwhite contains=vimFTCmd,vimFTOption,vimFTError
@@ -224,8 +249,8 @@ syn keyword vimAugroupKey	contained aug[roup]  skipwhite nextgroup=vimAugroupBan
 
 " Operators: {{{2
 " =========
-syn cluster	vimOperGroup	contains=vimEnvvar,vimFunc,vimFuncVar,vimOper,vimOperParen,vimNumber,vimString,vimRegister,@vimContinue,vim9Comment,vimVar
-syn match	vimOper	"||\|&&\|[-+*/%.!]"				skipwhite nextgroup=vimString,vimSpecFile
+syn cluster	vimOperGroup	contains=vimEnvvar,vimFunc,vimFuncVar,vimOper,vimOperParen,vimNumber,vimString,vimRegister,@vimContinue,vim9Comment,vimVar,vimBoolean,vimNull
+syn match	vimOper	"||\|&&\|[-+*/%.!]"			skipwhite nextgroup=vimString,vimSpecFile
 syn match	vimOper	"\%#=1\(==\|!=\|>=\|<=\|=\~\|!\~\|>\|<\|=\|!\~#\)[?#]\{0,2}"	skipwhite nextgroup=vimString,vimSpecFile
 syn match	vimOper	"\(\<is\|\<isnot\)[?#]\{0,2}\>"			skipwhite nextgroup=vimString,vimSpecFile
 syn region	vimOperParen 	matchgroup=vimParenSep	start="(" end=")" contains=@vimOperGroup
@@ -240,8 +265,8 @@ syn cluster	vimFuncList	contains=vimFuncBang,vimFunctionError,vimFuncKey,vimFunc
 syn cluster	vimDefList	contains=vimFuncBang,vimFunctionError,vimDefKey,vimFuncSID,Tag
 
 syn cluster	vimFuncBodyCommon	contains=@vimCmdList,vimCmplxRepeat,vimContinue,vimCtrlChar,vimDef,vimEnvvar,vimFBVar,vimFunc,vimFunction,vimLetHereDoc,vimNotation,vimNotFunc,vimNumber,vimOper,vimOperParen,vimRegister,vimSearch,vimSpecFile,vimString,vimSubst,vimFuncFold
-syn cluster	vimFuncBodyList	contains=@vimFuncBodyCommon,vimComment,vimLineComment,vimFuncVar,vimInsert
-syn cluster	vimDefBodyList	contains=@vimFuncBodyCommon,vim9Comment,vim9LineComment
+syn cluster	vimFuncBodyList	contains=@vimFuncBodyCommon,vimComment,vimLineComment,vimFuncVar,vimInsert,vimConst,vimLet
+syn cluster	vimDefBodyList	contains=@vimFuncBodyCommon,vim9Comment,vim9LineComment,vim9Const,vim9Final,vim9Var,vim9Null,vim9Boolean,vim9For
 
 syn region	vimFuncPattern	contained		matchgroup=vimOper start="/" end="$" contains=@vimSubstList
 syn match	vimFunction	"\<fu\%[nction]\>"	skipwhite nextgroup=vimCmdSep,vimComment,vimFuncPattern contains=vimFuncKey
@@ -251,8 +276,8 @@ syn match	vimFunction	"\<fu\%[nction]\>!\=\s*\%(<[sS][iI][dD]>\|[sg]:\)\=\%(\i\|
 syn match	vimDef	"\<def\s\+new\%(\i\|{.\{-1,}}\)\+"				contains=@vimDefList            nextgroup=vimDefParams
 syn match	vimDef	"\<def\>!\=\s*\%(<[sS][iI][dD]>\|[sg]:\)\=\%(\i\|[#.]\|{.\{-1,}}\)\+"		contains=@vimDefList            nextgroup=vimDefParams
 
-syn match	vimFuncComment	contained	+".*+ skipwhite skipnl nextgroup=vimFuncBody,vimEndfunction
-syn match	vimDefComment	contained	"#.*" skipwhite skipnl nextgroup=vimDefBody,vimEnddef
+syn match	vimFuncComment	contained	+".*+ skipwhite skipempty nextgroup=vimFuncBody,vimEndfunction
+syn match	vimDefComment	contained	"#.*" skipwhite skipempty nextgroup=vimDefBody,vimEnddef
 
 syn match	vimFuncBang	contained	"!"
 syn match	vimFuncSID	contained	"\c<sid>"
@@ -260,24 +285,24 @@ syn match	vimFuncSID	contained	"\<[sg]:"
 syn keyword	vimFuncKey	contained	fu[nction]
 syn keyword	vimDefKey	contained	def
 
-syn region	vimFuncParams	contained	matchgroup=Delimiter start="(" skip=+\n\s*\\\|\n\s*"\\ + end=")" skipwhite skipnl nextgroup=vimFuncBody,vimFuncComment,vimEndfunction,vimFuncMod contains=vimFuncParam,@vimContinue
-syn region	vimDefParams	contained	matchgroup=Delimiter start="("		   end=")" skipwhite skipnl nextgroup=vimDefBody,vimDefComment,vimEnddef,vimReturnType	 contains=vimDefParam,vim9Comment
+syn region	vimFuncParams	contained	matchgroup=Delimiter start="(" skip=+\n\s*\\\|\n\s*"\\ + end=")" skipwhite skipempty nextgroup=vimFuncBody,vimFuncComment,vimEndfunction,vimFuncMod,vim9CommentError	contains=vimFuncParam,@vimContinue
+syn region	vimDefParams	contained	matchgroup=Delimiter start="("		   end=")" skipwhite skipempty nextgroup=vimDefBody,vimDefComment,vimEnddef,vimReturnType,vimCommentError	contains=vimDefParam,vim9Comment,vimFuncParamEquals
 syn match	vimFuncParam	contained	"\<\h\w*\>\|\.\.\."	skipwhite nextgroup=vimFuncParamEquals
 syn match	vimDefParam	contained	"\<\h\w*\>"		skipwhite nextgroup=vimParamType,vimFuncParamEquals
 
-syn match	vimFuncParamEquals contained	"="			skipwhite        nextgroup=@vimExprList
-syn match	vimFuncMod	 contained	"\<\%(abort\|closure\|dict\|range\)\>"	skipwhite skipnl nextgroup=vimFuncBody,vimFuncComment,vimEndfunction,vimFuncMod
+syn match	vimFuncParamEquals contained	"="			skipwhite           nextgroup=@vimExprList
+syn match	vimFuncMod	 contained	"\<\%(abort\|closure\|dict\|range\)\>"	skipwhite skipempty nextgroup=vimFuncBody,vimFuncComment,vimEndfunction,vimFuncMod,vim9CommentError
 
-syn region	vimFuncBody	contained	start="^"	matchgroup=vimCommand end="\<endfu\%[nction]\>"	contains=@vimFuncBodyList
-syn region	vimDefBody	contained	start="^"	matchgroup=vimCommand end="\<enddef\>"	contains=@vimDefBodyList
+syn region	vimFuncBody	contained	start="^." matchgroup=vimCmdSep start="|" matchgroup=vimCommand end="\<endfu\%[nction]\>"	contains=@vimFuncBodyList skipwhite nextgroup=vimCmdSep,vimComment,vim9CommentError
+syn region	vimDefBody	contained	start="^." matchgroup=vimCmdSep start="|" matchgroup=vimCommand end="\<enddef\>"	contains=@vimDefBodyList  skipwhite nextgroup=vimCmdSep,vim9Comment,vimCommentError
 
-syn match	vimEndfunction	"\<endf\%[unction]\>"
-syn match	vimEnddef	"\<enddef\>"
+syn match	vimEndfunction	"\<endf\%[unction]\>" skipwhite nextgroup=vimCmdSep,vimComment,vim9CommentError
+syn match	vimEnddef	"\<enddef\>"	    skipwhite nextgroup=vimCmdSep,vim9Comment,vimCommentError
 
 if exists("g:vimsyn_folding") && g:vimsyn_folding =~# 'f'
- syn region	vimFuncFold	start="^\s*:\=\s*fu\%[nction]\>!\=\s*\%(<[sS][iI][dD]>\|[sg]:\)\=\%(\i\|[#.]\|{.\{-1,}}\)\+\s*("	end="^\s*:\=\s*endf\%[unction]\>" contains=vimFunction fold keepend extend transparent
- syn region	vimFuncFold	start="^\s*:\=\s*def\>!\=\s*\%(<[sS][iI][dD]>\|[sg]:\)\=\%(\i\|[#.]\)\+("		end="^\s*:\=\s*enddef\>"          contains=vimDef      fold keepend extend transparent
- syn region	vimFuncFold	start="^\s*:\=\s*def\s\+new\i\+("					end="^\s*:\=\s*enddef\>"          contains=vimDef      fold keepend extend transparent
+ syn region	vimFuncFold	start="\<fu\%[nction]\>!\=\s*\%(<[sS][iI][dD]>\|[sg]:\)\=\%(\i\|[#.]\|{.\{-1,}}\)\+\s*("	end="\<endf\%[unction]\>" contains=vimFunction fold keepend extend transparent
+ syn region	vimFuncFold	start="\<def\>!\=\s*\%(<[sS][iI][dD]>\|[sg]:\)\=\%(\i\|[#.]\)\+("		end="\<enddef\>"          contains=vimDef      fold keepend extend transparent
+ syn region	vimFuncFold	start="\<def\s\+new\i\+("				end="\<enddef\>"          contains=vimDef      fold keepend extend transparent
 endif
 
 syn match	vimFuncVar   contained	"a:\%(\K\k*\|\d\+\)\>"
@@ -285,9 +310,9 @@ syn match	vimFuncBlank contained	"\s\+"
 
 " Types: {{{2
 " =====
-" vimTypes : new for vim9
-syn region	vimReturnType	contained	start=":\s" end="$" matchgroup=vim9Comment end="\ze#" skipwhite skipnl nextgroup=vimDefBody,vimDefComment,vimEnddef contains=vimTypeSep transparent
-syn match	vimParamType	contained	":\s\+\a"			skipwhite skipnl nextgroup=vimFuncParamEquals   	        contains=vimTypeSep,@vimType
+
+syn region	vimReturnType	contained	start=":\s" end="$" matchgroup=vim9Comment end="\ze[#"]" skipwhite skipempty nextgroup=vimDefBody,vimDefComment,vimEnddef,vimCommentError contains=vimTypeSep transparent
+syn match	vimParamType	contained	":\s"	skipwhite skipnl nextgroup=@vimType contains=vimTypeSep
 
 syn match	vimTypeSep	contained	":\s\@=" skipwhite nextgroup=@vimType
 syn keyword	vimType	contained	any blob bool channel float job number string void
@@ -314,7 +339,7 @@ else
 endif
 syn cluster vimKeymapLineComment contains=vim9\=KeymapLineComment
 
-syn region vimKeymap matchgroup=vimCommand start="\<loadk\%[eymap]\>" end="\%$" contains=vimKeymapStart
+syn region vimLoadkeymap matchgroup=vimCommand start="\<loadk\%[eymap]\>" end="\%$" contains=vimKeymapStart
 
 " Special Filenames, Modifiers, Extension Removal: {{{2
 " ===============================================
@@ -329,67 +354,73 @@ syn match	vimSpecFileMod	"\(:[phtre]\)\+"	contained
 " User-Specified Commands: {{{2
 " =======================
 syn cluster	vimUserCmdList	contains=@vimCmdList,vimCmplxRepeat,@vimComment,vimCtrlChar,vimEscapeBrace,vimFunc,vimNotation,vimNumber,vimOper,vimRegister,vimSpecFile,vimString,vimSubst,vimSubstRep,vimSubstRange
-syn keyword	vimUserCommand	contained	com[mand]
-syn match	vimUserCmdName	contained	"\<\u\w*\>" nextgroup=vimUserCmdBlock skipwhite
-syn match	vimUserCmd	"\<com\%[mand]!\=\>.*$"	contains=vimUserAttrb,vimUserAttrbError,vimUserCommand,@vimUserCmdList,vimComFilter,vimCmdBlock,vimUserCmdName
-syn match	vimUserAttrbError	contained	"-\a\+\ze\s"
-syn match	vimUserAttrb	contained	"-nargs=[01*?+]"	contains=vimUserAttrbKey,vimOper
-syn match	vimUserAttrb	contained	"-complete="		contains=vimUserAttrbKey,vimOper nextgroup=vimUserAttrbCmplt,vimUserCmdError
-syn match	vimUserAttrb	contained	"-range\(=%\|=\d\+\)\="	contains=vimNumber,vimOper,vimUserAttrbKey
-syn match	vimUserAttrb	contained	"-count\(=\d\+\)\="	contains=vimNumber,vimOper,vimUserAttrbKey
-syn match	vimUserAttrb	contained	"-bang\>"		contains=vimOper,vimUserAttrbKey
-syn match	vimUserAttrb	contained	"-bar\>"		contains=vimOper,vimUserAttrbKey
-syn match	vimUserAttrb	contained	"-buffer\>"		contains=vimOper,vimUserAttrbKey
-syn match	vimUserAttrb	contained	"-register\>"		contains=vimOper,vimUserAttrbKey
+syn keyword	vimUserCmdKey	contained	com[mand]
+syn match	vimUserCmdName	contained	"\<\u[[:alnum:]]*\>"	skipwhite nextgroup=vimUserCmdBlock
+syn match	vimUserCmd		"\<com\%[mand]\>!\=.*$"	contains=vimUserCmdKey,vimBang,vimUserCmdAttr,vimUserCmdAttrError,vimUserCmdName,@vimUserCmdList,vimComFilter
+syn match	vimUserCmdAttrError	contained	"-\a\+\ze\%(\s\|=\)"
+syn match	vimUserCmdAttr	contained	"-addr="		contains=vimUserCmdAttrKey nextgroup=vimUserCmdAttrAddr
+syn match	vimUserCmdAttr	contained	"-bang\>"		contains=vimUserCmdAttrKey
+syn match	vimUserCmdAttr	contained	"-bar\>"		contains=vimUserCmdAttrKey
+syn match	vimUserCmdAttr	contained	"-buffer\>"		contains=vimUserCmdAttrKey
+syn match	vimUserCmdAttr	contained	"-complete="		contains=vimUserCmdAttrKey nextgroup=vimUserCmdAttrCmplt,vimUserCmdError
+syn match	vimUserCmdAttr	contained	"-count\>"		contains=vimUserCmdAttrKey
+syn match	vimUserCmdAttr	contained	"-count="		contains=vimUserCmdAttrKey nextgroup=vimNumber
+syn match	vimUserCmdAttr	contained	"-keepscript\>"		contains=vimUserCmdAttrKey
+syn match	vimUserCmdAttr	contained	"-nargs="		contains=vimUserCmdAttrKey nextgroup=vimUserCmdAttrNargs
+syn match	vimUserCmdAttr	contained	"-range\>"		contains=vimUserCmdAttrKey
+syn match	vimUserCmdAttr	contained	"-range="		contains=vimUserCmdAttrKey nextgroup=vimNumber,vimUserCmdAttrRange
+syn match	vimUserCmdAttr	contained	"-register\>"		contains=vimUserCmdAttrKey
+
+syn match	vimUserCmdAttrNargs	contained	"[01*?+]"
+syn match	vimUserCmdAttrRange	contained	"%"
+
 if !exists("g:vimsyn_noerror") && !exists("g:vimsyn_nousercmderror")
  syn match	vimUserCmdError	contained	"\S\+\>"
 endif
-syn case ignore
-syn keyword	vimUserAttrbKey   contained	bar	ban[g]	cou[nt]	ra[nge] com[plete]	n[args]	re[gister]
-" GEN_SYN_VIM: vimUserAttrbCmplt, START_STR='syn keyword vimUserAttrbCmplt contained', END_STR=''
-syn keyword vimUserAttrbCmplt contained arglist augroup behave buffer color command compiler cscope diff_buffer dir environment event expression file file_in_path filetype function help highlight history keymap locale mapclear mapping menu messages syntax syntime option packadd runtime shellcmd sign tag tag_listfiles user var breakpoint scriptnames
-syn keyword	vimUserAttrbCmplt contained	custom customlist nextgroup=vimUserAttrbCmpltFunc,vimUserCmdError
-syn match	vimUserAttrbCmpltFunc contained	",\%([sS]:\|<[sS][iI][dD]>\)\=\%(\h\w*\%([.#]\h\w*\)\+\|\h\w*\)"hs=s+1 nextgroup=vimUserCmdError
 
+syn case ignore
+syn keyword	vimUserCmdAttrKey   contained	a[ddr] ban[g] bar bu[ffer] com[plete] cou[nt] k[eepscript] n[args] ra[nge] re[gister]
+" GEN_SYN_VIM: vimUserCmdAttrCmplt, START_STR='syn keyword vimUserCmdAttrCmplt contained', END_STR=''
+syn keyword vimUserCmdAttrCmplt contained arglist augroup behave breakpoint buffer color command compiler cscope diff_buffer dir dir_in_path environment event expression file file_in_path filetype function help highlight history keymap locale mapclear mapping menu messages option packadd runtime scriptnames shellcmd sign syntax syntime tag tag_listfiles user var
+syn keyword	vimUserCmdAttrCmplt     contained	custom customlist nextgroup=vimUserCmdAttrCmpltFunc,vimUserCmdError
+syn match	vimUserCmdAttrCmpltFunc contained	",\%([sS]:\|<[sS][iI][dD]>\)\=\%(\h\w*\%([.#]\h\w*\)\+\|\h\w*\)"hs=s+1 nextgroup=vimUserCmdError
+" GEN_SYN_VIM: vimUserCmdAttrAddr, START_STR='syn keyword vimUserCmdAttrAddr contained', END_STR=''
+syn keyword vimUserCmdAttrAddr contained arguments arg buffers buf lines line loaded_buffers load other quickfix qf tabs tab windows win
+syn match	vimUserCmdAttrAddr	contained	"?"
 syn case match
-syn match	vimUserAttrbCmplt contained	"custom,\u\w*"
 
 syn region	vimUserCmdBlock	contained	matchgroup=vimSep start="{" end="}" contains=@vimDefBodyList
 
+syn match	vimDelcommand		"\<delc\%[ommand]\>" skipwhite nextgroup=vimDelcommandAttr
+syn match	vimDelcommandAttr	contained	"-buffer\>"
+
 " Lower Priority Comments: after some vim commands... {{{2
 " =======================
-syn region	vimCommentString	contained oneline start='\S\s\+"'ms=e end='"'
+if get(g:, "vimsyn_comment_strings", 1)
+  syn region	vimCommentString	contained oneline start='\S\s\+"'ms=e end='"' extend
+endif
 
 if s:vim9script
-  syn match	vimComment	excludenl +\s"[^\-:.%#=*].*$+lc=1	contains=@vimCommentGroup,vimCommentString contained
-  syn match	vimComment	+\<endif\s\+".*$+lc=5	contains=@vimCommentGroup,vimCommentString contained
-  syn match	vimComment	+\<else\s\+".*$+lc=4	contains=@vimCommentGroup,vimCommentString contained
-  " Vim9 comments - TODO: might be highlighted while they don't work
-  syn match	vim9Comment	excludenl +\s#[^{].*$+lc=1	contains=@vimCommentGroup,vimCommentString
-  syn match	vim9Comment	+\<endif\s\+#[^{].*$+lc=5	contains=@vimCommentGroup,vimCommentString
-  syn match	vim9Comment	+\<else\s\+#[^{].*$+lc=4	contains=@vimCommentGroup,vimCommentString
-  " Vim9 comment inside expression
-  " syn match	vim9Comment	+\s\zs#[^{].*$+ms=s+1	contains=@vimCommentGroup,vimCommentString
-  " syn match	vim9Comment	+^\s*#[^{].*$+		contains=@vimCommentGroup,vimCommentString
-  " syn match	vim9Comment	+^\s*#$+		contains=@vimCommentGroup,vimCommentString
-
   syn cluster vimComment contains=vim9Comment
 else
-  syn match	vimComment	excludenl +\s"[^\-:.%#=*].*$+lc=1	contains=@vimCommentGroup,vimCommentString
-  syn match	vimComment	+\<endif\s\+".*$+lc=5	contains=@vimCommentGroup,vimCommentString
-  syn match	vimComment	+\<else\s\+".*$+lc=4	contains=@vimCommentGroup,vimCommentString
-  " Vim9 comments - TODO: might be highlighted while they don't work
-  syn match	vim9Comment	excludenl +\s#[^{].*$+lc=1	contains=@vimCommentGroup,vimCommentString contained
-  syn match	vim9Comment	+\<endif\s\+#[^{].*$+lc=5	contains=@vimCommentGroup,vimCommentString contained
-  syn match	vim9Comment	+\<else\s\+#[^{].*$+lc=4	contains=@vimCommentGroup,vimCommentString contained
-  " Vim9 comment inside expression
-  syn match	vim9Comment	+\s\zs#[^{].*$+ms=s+1	contains=@vimCommentGroup,vimCommentString contained
-  syn match	vim9Comment	+^\s*#[^{].*$+		contains=@vimCommentGroup,vimCommentString contained
-  syn match	vim9Comment	+^\s*#$+		contains=@vimCommentGroup,vimCommentString contained
-
   syn cluster vimComment contains=vimComment
 endif
 
+VimL syn match	vimComment	excludenl +\s"[^\-:.%#=*].*$+lc=1	contains=@vimCommentGroup,vimCommentString extend
+VimL syn match	vimComment	+\<endif\s\+".*$+lc=5	contains=@vimCommentGroup,vimCommentString extend
+VimL syn match	vimComment	+\<else\s\+".*$+lc=4	contains=@vimCommentGroup,vimCommentString extend
+" Vim9 comments - TODO: might be highlighted while they don't work
+Vim9 syn match	vim9Comment	excludenl +\s#[^{].*$+lc=1	contains=@vimCommentGroup,vimCommentString extend
+Vim9 syn match	vim9Comment	+\<endif\s\+#[^{].*$+lc=5	contains=@vimCommentGroup,vimCommentString extend
+Vim9 syn match	vim9Comment	+\<else\s\+#[^{].*$+lc=4	contains=@vimCommentGroup,vimCommentString extend
+" Vim9 comment inside expression
+Vim9 syn match	vim9Comment	+\s\zs#[^{].*$+ms=s+1	contains=@vimCommentGroup,vimCommentString contained extend
+Vim9 syn match	vim9Comment	+^\s*#[^{].*$+		contains=@vimCommentGroup,vimCommentString contained extend
+Vim9 syn match	vim9Comment	+^\s*#$+		contains=@vimCommentGroup,vimCommentString contained extend
+
+syn match	vim9CommentError	contained	"#.*"
+syn match	vimCommentError	contained	+".*+
+
 " Environment Variables: {{{2
 " =====================
 syn match	vimEnvvar	"\$\I\i*"
@@ -405,8 +436,8 @@ syn region	vimPatSepZone	oneline   contained   matchgroup=vimPatSepZ start="\\%\
 syn region	vimPatRegion	contained transparent matchgroup=vimPatSepR start="\\[z%]\=(" end="\\)"	contains=@vimSubstList oneline
 syn match	vimNotPatSep	contained	"\\\\"
 syn cluster	vimStringGroup	contains=vimEscape,vimEscapeBrace,vimPatSep,vimNotPatSep,vimPatSepErr,vimPatSepZone,@Spell
-syn region	vimString	oneline keepend	start=+[^a-zA-Z>!\\@]"+lc=1 skip=+\\\\\|\\"+ matchgroup=vimStringEnd end=+"+	contains=@vimStringGroup
-syn region	vimString	oneline keepend	start=+[^a-zA-Z>!\\@]'+lc=1 end=+'+
+syn region	vimString	oneline keepend	start=+[^a-zA-Z>!\\@]"+lc=1 skip=+\\\\\|\\"+ matchgroup=vimStringEnd end=+"+	contains=@vimStringGroup extend
+syn region	vimString	oneline keepend	start=+[^a-zA-Z>!\\@]'+lc=1 end=+'+ extend
 "syn region	vimString	oneline	start="\s/\s*\A"lc=1 skip="\\\\\|\\+" end="/"	contains=@vimStringGroup  " see tst45.vim
 syn match	vimString	contained	+"[^"]*\\$+	skipnl nextgroup=vimStringCont
 syn match	vimStringCont	contained	+\(\\\\\|.\)\{-}[^\\]"+
@@ -416,23 +447,22 @@ syn match	vimEscape	contained	"\\\o\{1,3}\|\\[xX]\x\{1,2}\|\\u\x\{1,4}\|\\U\x\{1
 syn match	vimEscape	contained	"\\<" contains=vimNotation
 syn match	vimEscape	contained	"\\<\*[^>]*>\=>"
 
-syn region	vimString	oneline start=+$'+ skip=+''+ end=+'+ contains=vimStringInterpolationBrace,vimStringInterpolationExpr
-syn region	vimString	oneline start=+$"+ end=+"+ contains=@vimStringGroup,vimStringInterpolationBrace,vimStringInterpolationExpr
+syn region	vimString	oneline start=+$'+ skip=+''+ end=+'+ contains=@vimStringInterpolation extend
+syn region	vimString	oneline start=+$"+ end=+"+ contains=@vimStringGroup,@vimStringInterpolation extend
 syn region	vimStringInterpolationExpr  oneline contained matchgroup=vimSep start=+{+ end=+}+ contains=@vimExprList
 syn match	vimStringInterpolationBrace contained "{{"
 syn match	vimStringInterpolationBrace contained "}}"
+syn cluster	vimStringInterpolation contains=vimStringInterpolationExpr,vimStringInterpolationBrace
 
 " Substitutions: {{{2
 " =============
 syn cluster	vimSubstList	contains=vimPatSep,vimPatRegion,vimPatSepErr,vimSubstTwoBS,vimSubstRange,vimNotation
 syn cluster	vimSubstRepList	contains=vimSubstSubstr,vimSubstTwoBS,vimNotation
 syn cluster	vimSubstList	add=vimCollection
-syn match	vimSubst	"^\s*\%(s\%[ubstitute]\|sm\%[agic]\|sno\%[magic]\)\>[\"#|]\@!"	nextgroup=vimSubstPat
-syn match	vimSubst	"^\s*\%(s\%[ubstitute]\|sm\%[agic]\|sno\%[magic]\)_\@="	nextgroup=vimSubstPat
-syn match	vimSubst	"^\s*\%(s\%[ubstitute]\|sm\%[agic]\>\|sno\%[magic]\)\ze#.\{-}#.\{-}#"	nextgroup=vimSubstPat
-syn match	vimSubst1	contained	"\%(s\%[ubstitute]\|sm\%[agic]\>\|sno\%[magic]\)\>[\"#|]\@!"		nextgroup=vimSubstPat
-syn match	vimSubst1	contained	"\%(s\%[ubstitute]\|sm\%[agic]\>\|sno\%[magic]\)_\@="			nextgroup=vimSubstPat
-syn match	vimSubst1	contained	"\%(s\%[ubstitute]\|sm\%[agic]\>\|sno\%[magic]\)\ze#.\{-}#.\{-}#"		nextgroup=vimSubstPat
+syn match	vimSubst	"^\s*\%(s\%[ubstitute]\|sm\%[agic]\|sno\%[magic]\)\>"			skipwhite nextgroup=vimSubstPat
+syn match	vimSubst	"^\s*\%(s\%[ubstitute]\|sm\%[agic]\|sno\%[magic]\)[_#]\@="		skipwhite nextgroup=vimSubstPat
+syn match	vimSubst1	contained	"\%(s\%[ubstitute]\|sm\%[agic]\>\|sno\%[magic]\)\>"		skipwhite nextgroup=vimSubstPat
+syn match	vimSubst1	contained	"\%(s\%[ubstitute]\|sm\%[agic]\>\|sno\%[magic]\)[_#]\@="	skipwhite nextgroup=vimSubstPat
 " TODO: Vim9 illegal separators for abbreviated :s form are [-.:], :su\%[...] required
 "     : # is allowed but "not recommended" (see :h pattern-delimiter)
 syn region	vimSubstPat	contained	matchgroup=vimSubstDelim start="\z([!#$%&'()*+,-./:;<=>?@[\]^_`{}~]\)"rs=s+1 skip="\\\\\|\\\z1" end="\z1"re=e-1,me=e-1	contains=@vimSubstList	nextgroup=vimSubstRep4	oneline
@@ -445,13 +475,17 @@ syn match	vimSubstTwoBS	contained	"\\\\"
 syn match	vimSubstFlagErr	contained	"[^< \t\r|]\+" contains=vimSubstFlags
 syn match	vimSubstFlags	contained	"[&cegiIlnpr#]\+"
 
+" Vi compatibility
+syn match	vimSubstDelim	contained	"\\"
+syn match	vimSubstPat	contained	"\\\ze[/?&]" contains=vimSubstDelim nextgroup=vimSubstRep4
+
 " 'String': {{{2
 syn match	vimString	"[^(,]'[^']\{-}\zs'"
 
 " Marks, Registers, Addresses, Filters: {{{2
 syn match	vimMark	"'[a-zA-Z0-9]\ze[-+,!]"	nextgroup=vimFilter,vimMarkNumber,vimSubst1
-syn match	vimMark	"'[<>]\ze[-+,!]"		nextgroup=vimFilter,vimMarkNumber,vimSubst1
-syn match	vimMark	",\zs'[<>]\ze"		nextgroup=vimFilter,vimMarkNumber,vimSubst1
+syn match	vimMark	"'[[\]{}()<>]\ze[-+,!]"	nextgroup=vimFilter,vimMarkNumber,vimSubst1
+syn match	vimMark	",\zs'[[\]{}()<>]\ze"	nextgroup=vimFilter,vimMarkNumber,vimSubst1
 syn match	vimMark	"[!,:]\zs'[a-zA-Z0-9]"	nextgroup=vimFilter,vimMarkNumber,vimSubst1
 syn match	vimMark	"\<norm\%[al]\s\zs'[a-zA-Z0-9]"	nextgroup=vimFilter,vimMarkNumber,vimSubst1
 syn match	vimMarkNumber	"[-+]\d\+"		contained contains=vimOper nextgroup=vimSubst1
@@ -478,28 +512,45 @@ syn match	vimCmplxRepeat	'[^a-zA-Z_/\\()]q[0-9a-zA-Z"]\>'lc=1
 syn match	vimCmplxRepeat	'@[0-9a-z".=@:]\ze\($\|[^a-zA-Z]\>\)'
 
 " Set command and associated set-options (vimOptions) with comment {{{2
-syn region	vimSet		matchgroup=vimCommand start="\<\%(setl\%[ocal]\|setg\%[lobal]\|se\%[t]\)\>" skip="\%(\\\\\)*\\.\n\@!" end="$" end="|" matchgroup=vimNotation end="<[cC][rR]>" keepend contains=vimSetEqual,vimOption,vimErrSetting,@vimComment,vimSetString,vimSetMod
-syn region	vimSetEqual	contained	start="[=:]\|[-+^]=" skip="\\\\\|\\\s" end="[| \t]"me=e-1 end="$"	contains=vimCtrlChar,vimSetSep,vimNotation,vimEnvvar
-syn region	vimSetString	contained	start=+="+hs=s+1	skip=+\\\\\|\\"+  end=+"+		contains=vimCtrlChar
+syn match	vimSet		"\<\%(setl\%[ocal]\|setg\%[lobal]\|se\%[t]\)\>" skipwhite nextgroup=vimSetBang,vimSetRegion
+syn region	vimSetRegion	contained	start="\S" skip=+\\\\\|\\|\|\n\s*\\\|\n\s*["#]\\ + matchgroup=vimCmdSep end="|" end="$" matchgroup=vimNotation end="<[cC][rR]>" keepend contains=@vimComment,@vimContinue,vimErrSetting,vimOption,vimSetAll,vimSetTermcap
+syn region	vimSetEqual	contained	matchgroup=vimOper start="[=:]\|[-+^]=" skip=+\\\\\|\\|\|\\\s\|\n\s*\\\|\n\s*["#]\\ \|^\s*\\\|^\s*["#]\\ + matchgroup=vimCmdSep end="|" end="\ze\s" end="$" contains=@vimContinue,vimCtrlChar,vimEnvvar,vimNotation,vimSetSep
+syn match	vimSetBang	contained	"\a\@1<=!" skipwhite nextgroup=vimSetAll,vimSetTermcap
+syn keyword	vimSetAll	contained	all nextgroup=vimSetMod
+syn keyword	vimSetTermcap	contained	termcap
+syn region	vimSetString	contained	start=+="+hs=s+1	skip=+\\\\\|\\"+  end=+"+	contains=vimCtrlChar
 syn match	vimSetSep	contained	"[,:]"
-syn match	vimSetMod	contained	"&vim\=\|[!&?<]\|all&"
+syn match	vimSetMod	contained	"\a\@1<=\%(&vim\=\|[!&?<]\)"
 
-" Let: {{{2
-" ===
-syn keyword	vimLet	let		skipwhite nextgroup=vimVar,vimFuncVar,vimLetHereDoc,vimLetRegister,vimVarList
-syn keyword	vimConst	cons[t]		skipwhite nextgroup=vimVar,vimLetHereDoc,vimVarList
-syn region	vimVarList	contained	start="\[" end="]" contains=vimVar,vimContinue
+" Variable Declarations: {{{2
+" =====================
+VimL syn keyword	vimLet	let		skipwhite nextgroup=vimVar,vimFuncVar,vimLetRegister,vimVarList
+VimL syn keyword	vimConst	cons[t]		skipwhite nextgroup=vimVar,vimVarList
+syn region	vimVarList	contained	start="\[" end="]" contains=vimVar,@vimContinue
 
-syn keyword	vimUnlet	unl[et]		skipwhite nextgroup=vimUnletBang,vimUnletVars
+VimL syn keyword	vimUnlet	unl[et]		skipwhite nextgroup=vimUnletBang,vimUnletVars
 syn match	vimUnletBang	contained	"!"	skipwhite nextgroup=vimUnletVars
 syn region	vimUnletVars	contained	start="$\I\|\h" skip="\n\s*\\" end="$" end="|" contains=vimVar,vimEnvvar,vimContinue,vimString,vimNumber
 
-VimFoldh syn region vimLetHereDoc	matchgroup=vimLetHereDocStart start='=<<\s*\%(trim\s\+\%(eval\s\+\)\=\|eval\s\+\%(trim\s\+\)\=\)\=\z(\L\S*\)' matchgroup=vimLetHereDocStop end='^\s*\z1\s*$' extend
-syn keyword	vimLet	var		skipwhite nextgroup=vimVar,vimFuncVar,vimLetHereDoc
+VimFoldh syn region vimLetHereDoc	matchgroup=vimLetHereDocStart start='\%(^\z(\s*\)\S.*\)\@<==<<\s*trim\%(\s\+\)\@>\z(\L\S*\)'	matchgroup=vimLetHereDocStop end='^\z1\=\z2$' extend
+VimFoldh syn region vimLetHereDoc	matchgroup=vimLetHereDocStart start='=<<\%(\s*\)\@>\z(\L\S*\)'			matchgroup=vimLetHereDocStop end='^\z1$' extend
+VimFoldh syn region vimLetHereDoc	matchgroup=vimLetHereDocStart start='\%(^\z(\s*\)\S.*\)\@<==<<\s*\%(trim\s\+eval\|eval\s\+trim\)\%(\s\+\)\@>\z(\L\S*\)'	matchgroup=vimLetHereDocStop end='^\z1\=\z2$' contains=@vimStringInterpolation extend
+VimFoldh syn region vimLetHereDoc	matchgroup=vimLetHereDocStart start='=<<\s*eval\%(\s\+\)\@>\z(\L\S*\)'			matchgroup=vimLetHereDocStop end='^\z1$' contains=@vimStringInterpolation extend
+
+Vim9 syn keyword	vim9Const	const	skipwhite nextgroup=vim9Variable,vim9VariableList
+Vim9 syn keyword	vim9Final	final	skipwhite nextgroup=vim9Variable,vim9VariableList
+Vim9 syn keyword	vim9Var	var	skipwhite nextgroup=vim9Variable,vim9VariableList
+
+syn match	vim9Variable	contained	"\<\h\w*\>"	skipwhite nextgroup=vimTypeSep,vimLetHereDoc
+syn region	vim9VariableList	contained	start="\[" end="]" contains=vim9Variable,@vimContinue
 
 " For: {{{2
 " ===
-syn keyword	vimFor	for	skipwhite nextgroup=vimVar,vimVarList
+if s:vim9script
+  syn keyword	vim9For	for	skipwhite nextgroup=vim9Variable,vim9VariableList
+else
+  syn keyword	vimFor	for	skipwhite nextgroup=vimVar,vimVarList
+endif
 
 " Abbreviations: {{{2
 " =============
@@ -543,15 +594,17 @@ syn region	vimExecute	matchgroup=vimCommand start="\<exe\%[cute]\>" skip=+\\|\|\
 
 " Maps: {{{2
 " ====
-syn match	vimMap		"\<map\>\ze\s*(\@!" 	    skipwhite nextgroup=vimMapMod,vimMapLhs
-syn match	vimMap		"\<map!"	  contains=vimMapBang skipwhite nextgroup=vimMapMod,vimMapLhs
-" GEN_SYN_VIM: vimCommand map, START_STR='syn keyword vimMap', END_STR='skipwhite nextgroup=vimMapBang,vimMapMod,vimMapLhs'
-syn keyword vimMap cm[ap] cno[remap] im[ap] ino[remap] lm[ap] ln[oremap] nm[ap] nn[oremap] no[remap] om[ap] ono[remap] smap snor[emap] tma[p] tno[remap] vm[ap] vn[oremap] xm[ap] xn[oremap] skipwhite nextgroup=vimMapBang,vimMapMod,vimMapLhs
+" GEN_SYN_VIM: vimCommand map, START_STR='syn keyword vimMap', END_STR='skipwhite nextgroup=vimMapMod,vimMapLhs'
+syn keyword vimMap cm[ap] cno[remap] im[ap] ino[remap] lm[ap] ln[oremap] nm[ap] nn[oremap] om[ap] ono[remap] smap snor[emap] tma[p] tno[remap] vm[ap] vn[oremap] xm[ap] xn[oremap] skipwhite nextgroup=vimMapMod,vimMapLhs
+syn match	vimMap	"\<map\>"	skipwhite nextgroup=vimMapBang,vimMapMod,vimMapLhs
+syn keyword	vimMap	no[remap]	skipwhite nextgroup=vimMapBang,vimMapMod,vimMapLhs
 " GEN_SYN_VIM: vimCommand mapclear, START_STR='syn keyword vimMap', END_STR='skipwhite nextgroup=vimMapMod'
 syn keyword vimMap cmapc[lear] imapc[lear] lmapc[lear] nmapc[lear] omapc[lear] smapc[lear] tmapc[lear] vmapc[lear] xmapc[lear] skipwhite nextgroup=vimMapMod
-syn keyword	vimMap mapc[lear]	skipwhite nextgroup=vimMapBang,vimMapMod
-" GEN_SYN_VIM: vimCommand unmap, START_STR='syn keyword vimUnmap', END_STR='skipwhite nextgroup=vimMapBang,vimMapMod,vimMapLhs'
-syn keyword vimUnmap cu[nmap] iu[nmap] lu[nmap] nun[map] ou[nmap] sunm[ap] tunma[p] unm[ap] vu[nmap] xu[nmap] skipwhite nextgroup=vimMapBang,vimMapMod,vimMapLhs
+syn keyword	vimMap	mapc[lear]	skipwhite nextgroup=vimMapBang,vimMapMod
+" GEN_SYN_VIM: vimCommand unmap, START_STR='syn keyword vimUnmap', END_STR='skipwhite nextgroup=vimMapMod,vimMapLhs'
+syn keyword vimUnmap cu[nmap] iu[nmap] lu[nmap] nun[map] ou[nmap] sunm[ap] tunma[p] vu[nmap] xu[nmap] skipwhite nextgroup=vimMapMod,vimMapLhs
+syn keyword	vimUnmap	unm[ap]	skipwhite nextgroup=vimMapBang,vimMapMod,vimMapLhs
+
 syn match	vimMapLhs	contained	"\%(.\|\S\)\+"		contains=vimCtrlChar,vimNotation skipwhite        nextgroup=vimMapRhs
 syn match	vimMapLhs	contained	"\%(.\|\S\)\+\ze\s*$"	contains=vimCtrlChar,vimNotation skipwhite skipnl nextgroup=vimMapRhsContinue
 syn match	vimMapBang	contained	"\a\@1<=!"		skipwhite nextgroup=vimMapMod,vimMapLhs
@@ -618,6 +671,8 @@ syn match	vimFunc              	"\%(\%([sSgGbBwWtTlL]:\|<[sS][iI][dD]>\)\=\%(\w\
 syn match	vimUserFunc	contained        	"\%(\%([sSgGbBwWtTlL]:\|<[sS][iI][dD]>\)\=\%(\w\+\.\)*\I[a-zA-Z0-9_.]*\)\|\<\u[a-zA-Z0-9.]*\>\|\<if\>"	contains=vimNotation
 syn keyword	vimFuncEcho	contained      	ec ech echo
 
+syn match	vimMap	"\<map\%(\s\+(\)\@="	skipwhite nextgroup=vimMapBang,vimMapMod,vimMapLhs
+
 " User Command Highlighting: {{{2
 syn match vimUsrCmd	'^\s*\zs\u\%(\w*\)\@>\%([(#[]\|\s\+\%([-+*/%]\=\|\.\.\)=\)\@!'
 
@@ -630,13 +685,28 @@ if !exists("g:vimsyn_noerror") && !exists("g:vimsyn_novimfunctionerror")
  syn match	vimBufnrWarn	/\<bufnr\s*(\s*["']\.['"]\s*)/
 endif
 
-syn match vimNotFunc	"\<if\>\|\<el\%[seif]\>\|\<retu\%[rn]\>\|\<while\>"	skipwhite nextgroup=vimOper,vimOperParen,vimVar,vimFunc,vimNotation
+syn match vimNotFunc	"\<if\>\|\<el\%[seif]\>\|\<retu\%[rn]\>\|\<while\>"	skipwhite nextgroup=@vimExprList,vimNotation
+
+" Match: {{{2
+" =====
+syn match	vimMatch		"\<[23]\=mat\%[ch]\>" skipwhite nextgroup=vimMatchGroup,vimMatchNone
+syn match	vimMatchGroup	contained	"[[:alnum:]._-]\+"    skipwhite nextgroup=vimMatchPattern
+syn case ignore
+syn keyword	vimMatchNone	contained	none
+syn case match
+syn region	vimMatchPattern	contained	matchgroup=Delimiter start="\z([!#$%&'()*+,-./:;<=>?@[\]^_`{}~]\)" skip="\\\\\|\\\z1" end="\z1" contains=@vimSubstList oneline
 
 " Norm: {{{2
 " ====
 syn match	vimNorm		"\<norm\%[al]!\=" skipwhite nextgroup=vimNormCmds
 syn match	vimNormCmds contained	".*$"
 
+" Sleep: {{{2
+" =====
+syn keyword	vimSleep		sl[eep]		skipwhite nextgroup=vimSleepBang,vimSleepArg
+syn match	vimSleepBang	contained	"\a\@1<=!"		skipwhite nextgroup=vimSleepArg
+syn match	vimSleepArg	contained	"\<\%(\d\+\)\=m\=\>"
+
 " Syntax: {{{2
 "=======
 syn match	vimGroupList	contained	"[^[:space:],]\+\%(\s*,\s*[^[:space:],]\+\)*" contains=vimGroupSpecial
@@ -802,17 +872,20 @@ syn match	vimCtrlChar	"[
--]"
 
 " Beginners - Patterns that involve ^ {{{2
 " =========
-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
+Vim9 syn region	vim9LineComment	start=+^[ \t:]*\zs#.*$+ skip=+\n\s*\\\|\n\s*#\\ + end="$" contains=@vimCommentGroup,vimCommentString,vim9CommentTitle extend
+VimL syn region	vimLineComment	start=+^[ \t:]*\zs".*$+ skip=+\n\s*\\\|\n\s*"\\ + end="$" contains=@vimCommentGroup,vimCommentString,vimCommentTitle extend
+
 syn match	vimCommentTitle	'"\s*\%([sS]:\|\h\w*#\)\=\u\w*\(\s\+\u\w*\)*:'hs=s+1	contained contains=vimCommentTitleLeader,vimTodo,@vimCommentGroup
 syn match	vim9CommentTitle	'#\s*\%([sS]:\|\h\w*#\)\=\u\w*\(\s\+\u\w*\)*:'hs=s+1	contained contains=vim9CommentTitleLeader,vimTodo,@vimCommentGroup
+
+" allowed anywhere in the file
+if !s:vim9script
+  syn match	vimShebangError	"^\s*\zs#!.*" display
+endif
+syn match	vimShebang	"\%^#!.*" display
+
 syn match	vimContinue		"^\s*\zs\\"
-syn match         vimContinueComment	'^\s*\zs["#]\\ .*' contained
+syn match         vimContinueComment	'^\s*\zs["#]\\ .*'
 syn cluster	vimContinue contains=vimContinue,vimContinueComment
 syn region	vimString	start="^\s*\\\z(['"]\)" skip='\\\\\|\\\z1' end="\z1" oneline keepend contains=@vimStringGroup,vimContinue
 syn match	vimCommentTitleLeader	'"\s\+'ms=s+1	contained
@@ -845,12 +918,12 @@ endif
 " Allows users to specify the type of embedded script highlighting
 " they want:  (perl/python/ruby/tcl support)
 "   g:vimsyn_embed == 0   : don't embed any scripts
-"   g:vimsyn_embed =~# 'l' : embed lua
-"   g:vimsyn_embed =~# 'm' : embed mzscheme
-"   g:vimsyn_embed =~# 'p' : embed perl
-"   g:vimsyn_embed =~# 'P' : embed python
-"   g:vimsyn_embed =~# 'r' : embed ruby
-"   g:vimsyn_embed =~# 't' : embed tcl
+"   g:vimsyn_embed =~# 'l' : embed Lua
+"   g:vimsyn_embed =~# 'm' : embed MzScheme
+"   g:vimsyn_embed =~# 'p' : embed Perl
+"   g:vimsyn_embed =~# 'P' : embed Python
+"   g:vimsyn_embed =~# 'r' : embed Ruby
+"   g:vimsyn_embed =~# 't' : embed Tcl
 if !exists("g:vimsyn_embed")
  let g:vimsyn_embed = 'l'
 endif
@@ -869,12 +942,16 @@ if g:vimsyn_embed =~# 'l' && filereadable(s:luapath)
  unlet! b:current_syntax
  syn cluster vimFuncBodyList	add=vimLuaRegion
  exe "syn include @vimLuaScript ".s:luapath
- VimFoldl syn region vimLuaRegion matchgroup=vimScriptDelim start=+lua\s*<<\s*\z(.*\)$+ end=+^\z1$+	contains=@vimLuaScript
- VimFoldl syn region vimLuaRegion matchgroup=vimScriptDelim start=+lua\s*<<\s*$+ end=+\.$+	contains=@vimLuaScript
+ VimFoldl syn region vimLuaRegion matchgroup=vimScriptDelim start=+^\z(\s*\)lua\s*<<\s*trim\s\+\z(\S\+\)+ end=+^\z1\z2$+	contains=@vimLuaScript
+ VimFoldl syn region vimLuaRegion matchgroup=vimScriptDelim start=+lua\s*<<\s*\z(\S*\)+ end=+^\z1$+		contains=@vimLuaScript
+ VimFoldl syn region vimLuaRegion matchgroup=vimScriptDelim start=+^\z(\s*\)lua\s*<<\s*trim\s*$+ end=+^\z1\.$+	contains=@vimLuaScript
+ VimFoldl syn region vimLuaRegion matchgroup=vimScriptDelim start=+lua\s*<<\s*$+ end=+^\.$+		contains=@vimLuaScript
  syn cluster vimFuncBodyList	add=vimLuaRegion
 else
- syn region vimEmbedError start=+lua\s*<<\s*\z(.*\)$+ end=+^\z1$+
- syn region vimEmbedError start=+lua\s*<<\s*$+ end=+\.$+
+ syn region vimEmbedError start=+^\z(\s*\)lua\s*<<\s*trim\s\+\z(\S\+\)+ end=+^\z1\z2$+
+ syn region vimEmbedError start=+lua\s*<<\s*\z(\S*\)+ end=+^\z1$+
+ syn region vimEmbedError start=+^\z(\s*\)lua\s*<<\s*trim\s\*$+ end=+^\z1\.$+
+ syn region vimEmbedError start=+lua\s*<<\s*$+ end=+^\.$+
 endif
 unlet s:luapath
 
@@ -894,12 +971,16 @@ if g:vimsyn_embed =~# 'p' && filereadable(s:perlpath)
  let s:foldmethod = &l:foldmethod
  exe "syn include @vimPerlScript ".s:perlpath
  let &l:foldmethod = s:foldmethod
- VimFoldp syn region vimPerlRegion  matchgroup=vimScriptDelim start=+pe\%[rl]\s*<<\s*\z(\S*\)\ze\(\s*["#].*\)\=$+ end=+^\z1\ze\(\s*[#"].*\)\=$+	contains=@vimPerlScript
- VimFoldp syn region vimPerlRegion	matchgroup=vimScriptDelim start=+pe\%[rl]\s*<<\s*$+ end=+\.$+			contains=@vimPerlScript
+ VimFoldp syn region vimPerlRegion	matchgroup=vimScriptDelim start=+^\z(\s*\)pe\%[rl]\s*<<\s*trim\s\+\z(\S\+\)+ end=+^\z1\z2$+	contains=@vimPerlScript
+ VimFoldp syn region vimPerlRegion	matchgroup=vimScriptDelim start=+pe\%[rl]\s*<<\s*\z(\S*\)+ end=+^\z1$+		contains=@vimPerlScript
+ VimFoldp syn region vimPerlRegion	matchgroup=vimScriptDelim start=+^\z(\s*\)pe\%[rl]\s*<<\s*trim\s*$+ end=+^\z1\.$+	contains=@vimPerlScript
+ VimFoldp syn region vimPerlRegion	matchgroup=vimScriptDelim start=+pe\%[rl]\s*<<\s*$+ end=+\.$+		contains=@vimPerlScript
  syn cluster vimFuncBodyList	add=vimPerlRegion
 else
- syn region vimEmbedError start=+pe\%[rl]\s*<<\s*\z(.*\)$+ end=+^\z1$+
- syn region vimEmbedError start=+pe\%[rl]\s*<<\s*$+ end=+\.$+
+ syn region vimEmbedError start=+^\z(\s*\)pe\%[rl]\s*<<\s*trim\s\+\z(\S\+\)+ end=+^\z1\z2$+
+ syn region vimEmbedError start=+pe\%[rl]\s*<<\s*\z(\S*\)+ end=+^\z1$+
+ syn region vimEmbedError start=+^\z(\s*\)pe\%[rl]\s*<<\s*trim\s\*$+ end=+^\z1\.$+
+ syn region vimEmbedError start=+pe\%[rl]\s*<<\s*$+ end=+^\.$+
 endif
 unlet s:perlpath
 
@@ -919,12 +1000,16 @@ if g:vimsyn_embed =~# 'r' && filereadable(s:rubypath)
  let s:foldmethod = &l:foldmethod
  exe "syn include @vimRubyScript ".s:rubypath
  let &l:foldmethod = s:foldmethod
- VimFoldr syn region vimRubyRegion	matchgroup=vimScriptDelim start=+rub[y]\s*<<\s*\z(\S*\)\ze\(\s*#.*\)\=$+ end=+^\z1\ze\(\s*".*\)\=$+	contains=@vimRubyScript
- syn region vimRubyRegion	matchgroup=vimScriptDelim start=+rub[y]\s*<<\s*$+ end=+\.$+			contains=@vimRubyScript
+ VimFoldr syn region vimRubyRegion	matchgroup=vimScriptDelim start=+^\z(\s*\)rub\%[y]\s*<<\s*trim\s\+\z(\S\+\)+ end=+^\z1\z2$+	contains=@vimRubyScript
+ VimFoldr syn region vimRubyRegion	matchgroup=vimScriptDelim start=+rub\%[y]\s*<<\s*\z(\S*\)+ end=+^\z1$+		contains=@vimRubyScript
+ VimFoldr syn region vimRubyRegion	matchgroup=vimScriptDelim start=+^\z(\s*\)rub\%[y]\s*<<\s*trim\s*$+ end=+^\z1\.$+	contains=@vimRubyScript
+ VimFoldr syn region vimRubyRegion	matchgroup=vimScriptDelim start=+rub\%[y]\s*<<\s*$+ end=+\.$+		contains=@vimRubyScript
  syn cluster vimFuncBodyList	add=vimRubyRegion
 else
- syn region vimEmbedError start=+rub[y]\s*<<\s*\z(.*\)$+ end=+^\z1$+
- syn region vimEmbedError start=+rub[y]\s*<<\s*$+ end=+\.$+
+ syn region vimEmbedError start=+^\z(\s*\)rub\%[y]\s*<<\s*trim\s\+\z(\S\+\)+ end=+^\z1\z2$+
+ syn region vimEmbedError start=+rub\%[y]\s*<<\s*\z(\S.*\)+ end=+^\z1$+
+ syn region vimEmbedError start=+^\z(\s*\)rub\%[y]\s*<<\s*trim\s\*$+ end=+^\z1\.$+
+ syn region vimEmbedError start=+rub\%[y]\s*<<\s*$+ end=+^\.$+
 endif
 unlet s:rubypath
 
@@ -942,14 +1027,18 @@ if g:vimsyn_embed =~# 'P' && filereadable(s:pythonpath)
  unlet! b:current_syntax
  syn cluster vimFuncBodyList	add=vimPythonRegion
  exe "syn include @vimPythonScript ".s:pythonpath
- VimFoldP syn region vimPythonRegion matchgroup=vimScriptDelim start=+py\%[thon][3x]\=\s*<<\s*\%(trim\s*\)\=\z(\S*\)\ze\(\s*#.*\)\=$+ end=+^\z1\ze\(\s*".*\)\=$+	contains=@vimPythonScript
- VimFoldP syn region vimPythonRegion matchgroup=vimScriptDelim start=+py\%[thon][3x]\=\s*<<\s*\%(trim\s*\)\=$+ end=+\.$+				contains=@vimPythonScript
- VimFoldP syn region vimPythonRegion matchgroup=vimScriptDelim start=+Py\%[thon]2or3\s*<<\s*\%(trim\s*\)\=\z(\S*\)\ze\(\s*#.*\)\=$+ end=+^\z1\ze\(\s*".*\)\=$+	contains=@vimPythonScript
- VimFoldP syn region vimPythonRegion matchgroup=vimScriptDelim start=+Py\%[thon]2or3\=\s*<<\s*\%(trim\s*\)\=$+ end=+\.$+				contains=@vimPythonScript
+ VimFoldP syn region vimPythonRegion matchgroup=vimScriptDelim start=+^\z(\s*\)py\%[thon][3x]\=\s*<<\s*trim\s\+\z(\S\+\)+ end=+^\z1\z2$+	contains=@vimPythonScript
+ VimFoldP syn region vimPythonRegion matchgroup=vimScriptDelim start=+py\%[thon][3x]\=\s*<<\s*\z(\S\+\)+ end=+^\z1$+		contains=@vimPythonScript
+ VimFoldP syn region vimPythonRegion matchgroup=vimScriptDelim start=+^\z(\s*\)py\%[thon][3x]\=\s*<<\s*trim\s*$+ end=+^\z1\.$+	contains=@vimPythonScript
+ VimFoldP syn region vimPythonRegion matchgroup=vimScriptDelim start=+py\%[thon][3x]\=\s*<<\s*$+ end=+^\.$+			contains=@vimPythonScript
+ VimFoldP syn region vimPythonRegion matchgroup=vimScriptDelim start=+Py\%[thon]2or3\s*<<\s*\%(trim\s*\)\=\z(\S\+\)+ end=+^\z1$+	contains=@vimPythonScript
+ VimFoldP syn region vimPythonRegion matchgroup=vimScriptDelim start=+Py\%[thon]2or3\s*<<\s*\%(trim\s*\)\=$+ end=+^\.$+		contains=@vimPythonScript
  syn cluster vimFuncBodyList	add=vimPythonRegion
 else
- syn region vimEmbedError start=+py\%[thon]3\=\s*<<\s*\z(.*\)$+ end=+^\z1$+
- syn region vimEmbedError start=+py\%[thon]3\=\s*<<\s*$+ end=+\.$+
+ syn region vimEmbedError start=+^\z(\s*\)py\%[thon][3x]\=\s*<<\s*trim\s\+\z(\S\+\)+ end=+^\z1\z2$+
+ syn region vimEmbedError start=+py\%[thon][3x]\=\s*<<\s*\z(\S\+\)+ end=+^\z1$+
+ syn region vimEmbedError start=+^\z(\s*\)py\%[thon][3x]\=\s*<<\s*trim\s*$+ end=+^\z1\.$+
+ syn region vimEmbedError start=+py\%[thon][3x]\=\s*<<\s*$+ end=+^\.$+
 endif
 unlet s:pythonpath
 
@@ -974,17 +1063,23 @@ if s:trytcl
   unlet! b:current_syntax
   syn cluster vimFuncBodyList	add=vimTclRegion
   exe "syn include @vimTclScript ".s:tclpath
-  VimFoldt syn region vimTclRegion matchgroup=vimScriptDelim start=+tc[l]\=\s*<<\s*\z(.*\)$+ end=+^\z1$+	contains=@vimTclScript
-  VimFoldt syn region vimTclRegion matchgroup=vimScriptDelim start=+tc[l]\=\s*<<\s*$+ end=+\.$+	contains=@vimTclScript
+  VimFoldt syn region vimTclRegion matchgroup=vimScriptDelim start=+^\z(\s*\)tc\%[l]\s*<<\s*trim\s\+\z(\S\+\)+ end=+^\z1\z2$+	contains=@vimTclScript
+  VimFoldt syn region vimTclRegion matchgroup=vimScriptDelim start=+tc\%[l]\=\s*<<\s*\z(\S*\)+ end=+^\z1$+		contains=@vimTclScript
+  VimFoldt syn region vimTclRegion matchgroup=vimScriptDelim start=+^\z(\s*\)tc\%[l]\s*<<\s*trim\s*$+ end=+^\z1\.$+	contains=@vimTclScript
+  VimFoldt syn region vimTclRegion matchgroup=vimScriptDelim start=+tc\%[l]\=\s*<<\s*$+ end=+^\.$+		contains=@vimTclScript
   syn cluster vimFuncBodyList	add=vimTclScript
  else
-  syn region vimEmbedError start=+tc[l]\=\s*<<\s*\z(.*\)$+ end=+^\z1$+
-  syn region vimEmbedError start=+tc[l]\=\s*<<\s*$+ end=+\.$+
+  syn region vimEmbedError start=+^\z(\s*\)tc\%[l]\s*<<\s*trim\s\+\z(\S\+\)+ end=+^\z1\z2$+
+  syn region vimEmbedError start=+tc\%[l]\=\s*<<\s*\z(\S*\)+ end=+^\z1$+
+  syn region vimEmbedError start=+^\z(\s*\)tc\%[l]\s*<<\s*trim\s\*$+ end=+^\z1\.$+
+  syn region vimEmbedError start=+tc\%[l]\=\s*<<\s*$+ end=+^\.$+
  endif
  unlet s:tclpath
 else
- syn region vimEmbedError start=+tc[l]\=\s*<<\s*\z(.*\)$+ end=+^\z1$+
- syn region vimEmbedError start=+tc[l]\=\s*<<\s*$+ end=+\.$+
+ syn region vimEmbedError start=+^\z(\s*\)tc\%[l]\s*<<\s*trim\s\+\z(\S\+\)+ end=+^\z1\z2$+
+ syn region vimEmbedError start=+tc\%[l]\=\s*<<\s*\z(\S*\)+ end=+^\z1$+
+ syn region vimEmbedError start=+^\z(\s*\)tc\%[l]\s*<<\s*trim\s\*$+ end=+^\z1\.$+
+ syn region vimEmbedError start=+tc\%[l]\=\s*<<\s*$+ end=+^\.$+
 endif
 unlet s:trytcl
 
@@ -1005,12 +1100,16 @@ if g:vimsyn_embed =~# 'm' && filereadable(s:mzschemepath)
  exe "syn include @vimMzSchemeScript ".s:mzschemepath
  let &isk= s:iskKeep
  unlet s:iskKeep
- VimFoldm syn region vimMzSchemeRegion matchgroup=vimScriptDelim start=+mz\%[scheme]\s*<<\s*\z(.*\)$+ end=+^\z1$+	contains=@vimMzSchemeScript
- VimFoldm syn region vimMzSchemeRegion matchgroup=vimScriptDelim start=+mz\%[scheme]\s*<<\s*$+ end=+\.$+		contains=@vimMzSchemeScript
+ VimFoldm syn region vimMzSchemeRegion matchgroup=vimScriptDelim start=+^\z(\s*\)mz\%[scheme]\s*<<\s*trim\s\+\z(\S\+\)+ end=+^\z1\z2$+	contains=@vimMzSchemeScript
+ VimFoldm syn region vimMzSchemeRegion matchgroup=vimScriptDelim start=+mz\%[scheme]\s*<<\s*\z(\S*\)+ end=+^\z1$+	contains=@vimMzSchemeScript
+ VimFoldm syn region vimMzSchemeRegion matchgroup=vimScriptDelim start=+^\z(\s*\)mz\%[scheme]\s*<<\s*trim\s*$+ end=+^\z1\.$+	contains=@vimMzSchemeScript
+ VimFoldm syn region vimMzSchemeRegion matchgroup=vimScriptDelim start=+mz\%[scheme]\s*<<\s*$+ end=+^\.$+		contains=@vimMzSchemeScript
  syn cluster vimFuncBodyList	add=vimMzSchemeRegion
 else
- syn region vimEmbedError start=+mz\%[scheme]\s*<<\s*\z(.*\)$+ end=+^\z1$+
- syn region vimEmbedError start=+mz\%[scheme]\s*<<\s*$+ end=+\.$+
+ syn region vimEmbedError start=+^\z(\s*\)mz\%[scheme]\s*<<\s*trim\s\+\z(\S\+\)+ end=+^\z1\z2$+
+ syn region vimEmbedError start=+mz\%[scheme]\s*<<\s*\z(\S*\)+ end=+^\z1$+
+ syn region vimEmbedError start=+^\z(\s*\)mz\%[scheme]\s*<<\s*trim\s\*$+ end=+^\z1\.$+
+ syn region vimEmbedError start=+mz\%[scheme]\s*<<\s*$+ end=+^\.$+
 endif
 unlet s:mzschemepath
 
@@ -1041,13 +1140,13 @@ if !exists("skip_vim_syntax_inits")
   hi def link vimHiCtermError	vimError
   hi def link vimHiKeyError	vimError
   hi def link vimMapModErr	vimError
+  hi def link vimShebangError	vimError
   hi def link vimSubstFlagErr	vimError
   hi def link vimSynCaseError	vimError
   hi def link vimSynFoldMethodError	vimError
   hi def link vimBufnrWarn	vimWarn
  endif
 
- hi def link vim9Vim9ScriptArg	Special
  hi def link vimAbb	vimCommand
  hi def link vimAddress	vimMark
  hi def link vimAugroupBang	vimBang
@@ -1061,21 +1160,24 @@ if !exists("skip_vim_syntax_inits")
  hi def link vimBehaveModel	vimBehave
  hi def link vimBehave	vimCommand
  hi def link vimBracket	Delimiter
+ hi def link vimCall	vimCommand
+ hi def link vimCatch	vimCommand
  hi def link vimCmplxRepeat	SpecialChar
  hi def link vimCommand	Statement
  hi def link vimComment	Comment
- hi def link vim9Comment	Comment
+ hi def link vimCommentError	vimError
  hi def link vimCommentString	vimString
  hi def link vimCommentTitle	PreProc
- hi def link vim9CommentTitle	PreProc
  hi def link vimCondHL	vimCommand
  hi def link vimConst	vimCommand
  hi def link vimContinue	Special
  hi def link vimContinueComment	vimComment
  hi def link vimCtrlChar	SpecialChar
- hi def link vimDefComment	vimComment
+ hi def link vimDefComment	vim9Comment
  hi def link vimDefKey	vimCommand
  hi def link vimDefParam vimVar
+ hi def link vimDelcommand	vimCommand
+ hi def link vimDelcommandAttr	vimUserCmdAttr
  hi def link vimEcho	vimCommand
  hi def link vimEchohlNone	vimGroup
  hi def link vimEchohl	vimCommand
@@ -1135,13 +1237,15 @@ if !exists("skip_vim_syntax_inits")
  hi def link vimLetHereDocStop	Special
  hi def link vimLetRegister	Special
  hi def link vimLineComment	vimComment
- hi def link vim9LineComment	vimComment
  hi def link vimMapBang	vimBang
  hi def link vimMapModKey	vimFuncSID
  hi def link vimMapMod	vimBracket
  hi def link vimMap	vimCommand
  hi def link vimMark	Number
  hi def link vimMarkNumber	vimNumber
+ hi def link vimMatch	vimCommand
+ hi def link vimMatchGroup	vimGroup
+ hi def link vimMatchNone	vimGroup
  hi def link vimMenuBang	vimBang
  hi def link vimMenuClear	Special
  hi def link vimMenuMod	vimMapMod
@@ -1174,10 +1278,17 @@ if !exists("skip_vim_syntax_inits")
  hi def link vimSearchDelim	Statement
  hi def link vimSearch	vimString
  hi def link vimSep	Delimiter
+ hi def link vimSet	vimCommand
+ hi def link vimSetAll	vimOption
+ hi def link vimSetBang	vimBang
  hi def link vimSetMod	vimOption
- hi def link vimSetSep	Statement
+ hi def link vimSetSep	vimSep
  hi def link vimSetString	vimString
- hi def link vim9Vim9Script	vimCommand
+ hi def link vimSetTermcap	vimOption
+ hi def link vimShebang	PreProc
+ hi def link vimSleep	vimCommand
+ hi def link vimSleepArg	Constant
+ hi def link vimSleepBang	vimBang
  hi def link vimSpecFile	Identifier
  hi def link vimSpecFileMod	vimSpecFile
  hi def link vimSpecial	Type
@@ -1218,22 +1329,39 @@ if !exists("skip_vim_syntax_inits")
  hi def link vimSynReg	Type
  hi def link vimSyntax	vimCommand
  hi def link vimSynType	vimSpecial
+ hi def link vimThrow	vimCommand
  hi def link vimTodo	Todo
  hi def link vimType	Type
  hi def link vimUnlet	vimCommand
  hi def link vimUnletBang	vimBang
  hi def link vimUnmap	vimMap
- hi def link vimUserAttrbCmpltFunc	Special
- hi def link vimUserAttrbCmplt	vimSpecial
- hi def link vimUserAttrbKey	vimOption
- hi def link vimUserAttrb	vimSpecial
- hi def link vimUserAttrbError	Error
+ hi def link vimUserCmdAttrAddr	vimSpecial
+ hi def link vimUserCmdAttrCmplt	vimSpecial
+ hi def link vimUserCmdAttrNargs	vimSpecial
+ hi def link vimUserCmdAttrRange	vimSpecial
+ hi def link vimUserCmdAttrKey	vimUserCmdAttr
+ hi def link vimUserCmdAttr	Special
+ hi def link vimUserCmdAttrError	Error
  hi def link vimUserCmdError	Error
- hi def link vimUserCommand	vimCommand
+ hi def link vimUserCmdKey	vimCommand
  hi def link vimUserFunc	Normal
  hi def link vimVar	Identifier
  hi def link vimWarn	WarningMsg
 
+ hi def link vim9Boolean	Boolean
+ hi def link vim9Comment	Comment
+ hi def link vim9CommentError	vimError
+ hi def link vim9CommentTitle	PreProc
+ hi def link vim9Const	vimCommand
+ hi def link vim9Final	vimCommand
+ hi def link vim9For	vimCommand
+ hi def link vim9LineComment	vimComment
+ hi def link vim9Null	Constant
+ hi def link vim9Var	vimCommand
+ hi def link vim9Variable	vimVar
+ hi def link vim9Vim9Script	vimCommand
+ hi def link vim9Vim9ScriptArg	Special
+
  hi def link nvimAutoEvent	vimAutoEvent
  hi def link nvimHLGroup	vimHLGroup
 endif
@@ -1243,6 +1371,8 @@ let b:current_syntax = "vim"
 
 " ---------------------------------------------------------------------
 " Cleanup: {{{1
+delc Vim9
+delc VimL
 delc VimFolda
 delc VimFoldf
 delc VimFoldh
diff --git a/runtime/syntax/yaml.vim b/runtime/syntax/yaml.vim
index 6ec806a4cb..e992bc02e6 100644
--- a/runtime/syntax/yaml.vim
+++ b/runtime/syntax/yaml.vim
@@ -129,7 +129,7 @@ syn region yamlFlowCollection matchgroup=yamlFlowIndicator start='\[' end='\]' c
 execute 'syn match yamlPlainScalar /'.s:ns_plain_out.'/'
 execute 'syn match yamlPlainScalar contained /'.s:ns_plain_in.'/'
 
-execute 'syn match yamlFlowMappingKey /'.s:ns_plain_in.'\%(\s\+'.s:ns_plain_in.'\)*\ze\s*:/ contained '.
+execute 'syn match yamlFlowMappingKey /'.s:ns_plain_in.'\%(\s\+'.s:ns_plain_in.'\)*\ze\s*:\%(\s\|$\)/ contained '.
             \'nextgroup=yamlFlowMappingDelimiter skipwhite'
 syn match yamlFlowMappingKeyStart      /?/ contained nextgroup=@yamlFlowNode skipwhite
 syn match yamlFlowMappingMerge /<<\ze\s*:/ contained nextgroup=yamlFlowMappingDelimiter skipwhite
diff --git a/runtime/syntax/zathurarc.vim b/runtime/syntax/zathurarc.vim
index 5e0526d02a..32997c2d2d 100644
--- a/runtime/syntax/zathurarc.vim
+++ b/runtime/syntax/zathurarc.vim
@@ -3,7 +3,7 @@
 " 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
+" Latest Revision:      2024-09-16
 
 if exists('b:current_syntax')
   finish
@@ -22,7 +22,7 @@ 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
+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 double-click-follow 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