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