runtime(vim): Update base syntax, match full :language command

closes: #18808

Signed-off-by: Doug Kearns <dougkearns@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>

diff --git a/runtime/syntax/generator/gen_syntax_vim.vim b/runtime/syntax/generator/gen_syntax_vim.vim
index d0f6faba116eb38de8d0c91ef85d36dd4b18956d..1125cbc1325322b5875e5df72959d7dc4aec27d0 100644 (file)
--- a/runtime/syntax/generator/gen_syntax_vim.vim
+++ b/runtime/syntax/generator/gen_syntax_vim.vim
@@ -1,7 +1,7 @@
 " Vim syntax file generator
 " Language:             Vim script
 " Maintainer:  Hirohito Higashi (h_east)
-" Last Change: 2025 Nov 26
+" Last Change: 2025 Nov 29
 
 let s:keepcpo= &cpo
 set cpo&vim
@@ -370,6 +370,7 @@ function s:get_vim_command_type(cmd_name)
                insert
                join
                k
+               language
                let
                ldo
                lfdo

diff --git a/runtime/syntax/generator/vim.vim.base b/runtime/syntax/generator/vim.vim.base
index 007c87dca84397b0d3aafe51f3a91a7b04f6cd37..9f0c0bcc3ad5f8bcd1adc53c7dcab85718eded6d 100644 (file)
--- a/runtime/syntax/generator/vim.vim.base
+++ b/runtime/syntax/generator/vim.vim.base
@@ -2,7 +2,7 @@
 " Language:       Vim script
 " Maintainer:     Hirohito Higashi <h.east.727 ATMARK gmail.com>
 "         Doug Kearns <dougkearns@gmail.com>
-" Last Change:    2025 Nov 21
+" Last Change:    2025 Nov 29
 " Former Maintainer: Charles E. Campbell
 
 " DO NOT CHANGE DIRECTLY.
@@ -246,7 +246,7 @@ syn match   vimNumber       '\<0z\%(\x\x\)\+\%(\.\%(\x\x\)\+\)*'    skipwhite nextgroup=@vi
 syn case match
 
 " All vimCommands are contained by vimIsCommand. {{{2
-syn cluster vimCmdList contains=vimAbb,vimAddress,vimAt,vimAutocmd,vimAugroup,vimBehave,vimBreakadd,vimBreakdel,vimBreaklist,vimCall,vimCatch,vimCd,vimCommandModifier,vimConst,vimDoautocmd,vimDebug,vimDebuggreedy,vimDef,vimDefFold,vimDefer,vimDelcommand,vimDelFunction,vimDoCommand,@vimEcho,vimElse,vimEnddef,vimEndfunction,vimEndif,vimEval,vimExecute,vimIsCommand,vimExtCmd,vimExFilter,vimExMark,vimFiletype,vimFor,vimFunction,vimFunctionFold,vimGrep,vimGrepAdd,vimGlobal,vimHelpgrep,vimHighlight,vimHistory,vimImport,vimLet,vimLoadkeymap,vimLockvar,vimMake,vimMap,vimMark,vimMatch,vimNotFunc,vimNormal,vimProfdel,vimProfile,vimPrompt,vimRedir,vimSet,vimSleep,vimSort,vimSyntax,vimSyntime,vimSynColor,vimSynLink,vimTerminal,vimThrow,vimUniq,vimUnlet,vimUnlockvar,vimUnmap,vimUserCmd,vimVimgrep,vimVimgrepadd,vimWincmd,vimMenu,vimMenutranslate,@vim9CmdList,@vimExUserCmdList,vimLua,vimMzScheme,vimPerl,vimPython,vimPython3,vimPythonX,vimRuby,vimTcl
+syn cluster vimCmdList contains=vimAbb,vimAddress,vimAt,vimAutocmd,vimAugroup,vimBehave,vimBreakadd,vimBreakdel,vimBreaklist,vimCall,vimCatch,vimCd,vimCommandModifier,vimConst,vimDoautocmd,vimDebug,vimDebuggreedy,vimDef,vimDefFold,vimDefer,vimDelcommand,vimDelFunction,vimDoCommand,@vimEcho,vimElse,vimEnddef,vimEndfunction,vimEndif,vimEval,vimExecute,vimIsCommand,vimExtCmd,vimExFilter,vimExMark,vimFiletype,vimFor,vimFunction,vimFunctionFold,vimGrep,vimGrepAdd,vimGlobal,vimHelpgrep,vimHighlight,vimHistory,vimImport,vimLanguage,vimLet,vimLoadkeymap,vimLockvar,vimMake,vimMap,vimMark,vimMatch,vimNotFunc,vimNormal,vimProfdel,vimProfile,vimPrompt,vimRedir,vimSet,vimSleep,vimSort,vimSyntax,vimSyntime,vimSynColor,vimSynLink,vimTerminal,vimThrow,vimUniq,vimUnlet,vimUnlockvar,vimUnmap,vimUserCmd,vimVimgrep,vimVimgrepadd,vimWincmd,vimMenu,vimMenutranslate,@vim9CmdList,@vimExUserCmdList,vimLua,vimMzScheme,vimPerl,vimPython,vimPython3,vimPythonX,vimRuby,vimTcl
 syn cluster vim9CmdList        contains=vim9Abstract,vim9Class,vim9Const,vim9Enum,vim9Export,vim9Final,vim9For,vim9Interface,vim9Type,vim9Var
 syn match vimCmdSep    "\\\@1<!|"      skipwhite nextgroup=@vimCmdList,vimSubst1,@vimFunc
 syn match vimCmdSep    ":\+"   skipwhite nextgroup=@vimCmdList,vimSubst1
@@ -440,6 +440,16 @@ endif
 syn match      vimImportName   contained       "\%(\<as\s\+\)\@<=\h\w*\>"      skipwhite nextgroup=@vimComment
 syn match      vimImport               "\<imp\%[ort]\>"                skipwhite nextgroup=vimImportAutoload,vimImportFilename
 
+" Language {{{2
+" ========
+syn keyword    vimLanguage             lan[guage]      skipwhite nextgroup=@vimLanguageName,vimLanguageCategory,vimSep,vimComment,vim9Comment
+syn keyword    vimLanguageCategory     contained       col[late] cty[pe] mes[sages] tim[e]     skipwhite nextgroup=@vimLanguageName
+
+" [language[_territory][.codeset][@modifier]] and the reserved "C" and "POSIX"
+syn match      vimLanguageName         contained       "[[:alnum:]][[:alnum:]._@-]*[[:alnum:]]"        nextgroup=vimSep,vimComment,vim9Comment
+syn keyword    vimLanguageNameReserved contained       C POSIX                 nextgroup=vimSep,vimComment,vim9Comment
+syn cluster    vimLanguageName contains=vimLanguageName,vimLanguageNameReserved
+
 " Augroup : vimAugroupError removed because long augroups caused sync'ing problems. {{{2
 " ======= : Trade-off: Increasing synclines with slower editing vs augroup END error checking.
 syn cluster vimAugroupList     contains=@vimCmdList,vimFilter,@vimFunc,vimLineComment,vimSpecFile,vimOper,vimNumber,vimOperParen,@vimComment,vimString,vimSubst,vimRegister,vimCmplxRepeat,vimNotation,vimCtrlChar,vimContinue
@@ -2534,6 +2544,9 @@ if !exists("skip_vim_syntax_inits")
  hi def link vimKeymapTailComment      vimComment
  hi def link vimLambdaBrace    Delimiter
  hi def link vimLambdaOperator vimOper
+ hi def link vimLanguage       vimCommand
+ hi def link vimLanguageCategory       Special
+ hi def link vimLanguageNameReserved   Constant
  hi def link vimLet    vimCommand
  hi def link vimLetHeredoc     vimString
  hi def link vimLetHeredocStart        Special

diff --git a/runtime/syntax/testdir/dumps/vim_ex_language_00.dump b/runtime/syntax/testdir/dumps/vim_ex_language_00.dump
new file mode 100644 (file)
index 0000000..9209db3
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/vim_ex_language_00.dump
@@ -0,0 +1,20 @@
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+@75
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+@57|1|,|1| @10|T|o|p| 

diff --git a/runtime/syntax/testdir/dumps/vim_ex_language_01.dump b/runtime/syntax/testdir/dumps/vim_ex_language_01.dump
new file mode 100644 (file)
index 0000000..9b9054d
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/vim_ex_language_01.dump
@@ -0,0 +1,20 @@
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+@57|1|9|,|1| @10|8|%| 

diff --git a/runtime/syntax/testdir/dumps/vim_ex_language_02.dump b/runtime/syntax/testdir/dumps/vim_ex_language_02.dump
new file mode 100644 (file)
index 0000000..704b3e6
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/vim_ex_language_02.dump
@@ -0,0 +1,20 @@
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+@57|3|7|,|1| @9|2|0|%| 

diff --git a/runtime/syntax/testdir/dumps/vim_ex_language_03.dump b/runtime/syntax/testdir/dumps/vim_ex_language_03.dump
new file mode 100644 (file)
index 0000000..d291e9b
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/vim_ex_language_03.dump
@@ -0,0 +1,20 @@
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diff --git a/runtime/syntax/testdir/dumps/vim_ex_language_04.dump b/runtime/syntax/testdir/dumps/vim_ex_language_04.dump
new file mode 100644 (file)
index 0000000..f32a38a
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/vim_ex_language_04.dump
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diff --git a/runtime/syntax/testdir/dumps/vim_ex_language_05.dump b/runtime/syntax/testdir/dumps/vim_ex_language_05.dump
new file mode 100644 (file)
index 0000000..9380988
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/vim_ex_language_05.dump
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diff --git a/runtime/syntax/testdir/dumps/vim_ex_language_06.dump b/runtime/syntax/testdir/dumps/vim_ex_language_06.dump
new file mode 100644 (file)
index 0000000..9a55c3b
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/vim_ex_language_06.dump
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diff --git a/runtime/syntax/testdir/dumps/vim_ex_language_07.dump b/runtime/syntax/testdir/dumps/vim_ex_language_07.dump
new file mode 100644 (file)
index 0000000..a807f48
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/vim_ex_language_07.dump
@@ -0,0 +1,20 @@
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diff --git a/runtime/syntax/testdir/dumps/vim_ex_language_08.dump b/runtime/syntax/testdir/dumps/vim_ex_language_08.dump
new file mode 100644 (file)
index 0000000..285d4f2
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/vim_ex_language_08.dump
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+@2|l+0#af5f00255&|a|n|g|u|a|g|e| +0#0000000&|c+0#e000e06&|t|y|p|e| +0#0000000&@3||| |e+0#af5f00255&|c|h|o| +0#0000000&|"+0#e000002&|.@2|"| +0#0000000&@42
+@2|l+0#af5f00255&|a|n|g|u|a|g|e| +0#0000000&|t+0#e000e06&|i|m|e| +0#0000000&@4||| |e+0#af5f00255&|c|h|o| +0#0000000&|"+0#e000002&|.@2|"| +0#0000000&@42
+@2|l+0#af5f00255&|a|n|g|u|a|g|e| +0#0000000&|m+0#e000e06&|e|s@1|a|g|e|s| +0#0000000&||| |e+0#af5f00255&|c|h|o| +0#0000000&|"+0#e000002&|.@2|"| +0#0000000&@42
+@75
+@2|l+0#af5f00255&|a|n|g|u|a|g|e| +0#0000000&@9|C+0#e000002&| +0#0000000&@15||| |e+0#af5f00255&|c|h|o| +0#0000000&|"+0#e000002&|.@2|"| +0#0000000&@25
+@2|l+0#af5f00255&|a|n|g|u|a|g|e| +0#0000000&|c+0#e000e06&|o|l@1|a|t|e| +0#0000000&@1|C+0#e000002&| +0#0000000&@15||| |e+0#af5f00255&|c|h|o| +0#0000000&|"+0#e000002&|.@2|"| +0#0000000&@25
+@2|l+0#af5f00255&|a|n|g|u|a|g|e| +0#0000000&|c+0#e000e06&|t|y|p|e| +0#0000000&@3|C+0#e000002&| +0#0000000&@15||| |e+0#af5f00255&|c|h|o| +0#0000000&|"+0#e000002&|.@2|"| +0#0000000&@25
+@2|l+0#af5f00255&|a|n|g|u|a|g|e| +0#0000000&|t+0#e000e06&|i|m|e| +0#0000000&@4|C+0#e000002&| +0#0000000&@15||| |e+0#af5f00255&|c|h|o| +0#0000000&|"+0#e000002&|.@2|"| +0#0000000&@25
+@2|l+0#af5f00255&|a|n|g|u|a|g|e| +0#0000000&|m+0#e000e06&|e|s@1|a|g|e|s| +0#0000000&|C+0#e000002&| +0#0000000&@15||| |e+0#af5f00255&|c|h|o| +0#0000000&|"+0#e000002&|.@2|"| +0#0000000&@25
+@57|1|4|5|,|3| @8|9|0|%| 

diff --git a/runtime/syntax/testdir/dumps/vim_ex_language_09.dump b/runtime/syntax/testdir/dumps/vim_ex_language_09.dump
new file mode 100644 (file)
index 0000000..29fcdc6
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/vim_ex_language_09.dump
@@ -0,0 +1,20 @@
+| +0&#ffffff0@1|l+0#af5f00255&|a|n|g|u|a|g|e| +0#0000000&|m+0#e000e06&|e|s@1|a|g|e|s| +0#0000000&|C+0#e000002&| +0#0000000&@15||| |e+0#af5f00255&|c|h|o| +0#0000000&|"+0#e000002&|.@2|"| +0#0000000&@25
+@75
+@2|l+0#af5f00255&|a|n|g|u|a|g|e| +0#0000000&@9|P+0#e000002&|O|S|I|X| +0#0000000&@11||| |e+0#af5f00255&|c|h|o| +0#0000000&|"+0#e000002&|.@2|"| +0#0000000&@25
+@2|l+0#af5f00255&|a|n|g|u|a|g|e| +0#0000000&|c+0#e000e06&|o|l@1|a|t|e| +0#0000000&@1|P+0#e000002&|O|S|I|X| +0#0000000&@11||| |e+0#af5f00255&|c|h|o| +0#0000000&|"+0#e000002&|.@2|"| +0#0000000&@25
+@2|l+0#af5f00255&|a|n|g|u|a|g|e| +0#0000000&|c+0#e000e06&|t|y|p|e| +0#0000000&@3|P+0#e000002&|O|S|I|X| +0#0000000&@11||| |e+0#af5f00255&|c|h|o| +0#0000000&|"+0#e000002&|.@2|"| +0#0000000&@25
+@2>l+0#af5f00255&|a|n|g|u|a|g|e| +0#0000000&|t+0#e000e06&|i|m|e| +0#0000000&@4|P+0#e000002&|O|S|I|X| +0#0000000&@11||| |e+0#af5f00255&|c|h|o| +0#0000000&|"+0#e000002&|.@2|"| +0#0000000&@25
+@2|l+0#af5f00255&|a|n|g|u|a|g|e| +0#0000000&|m+0#e000e06&|e|s@1|a|g|e|s| +0#0000000&|P+0#e000002&|O|S|I|X| +0#0000000&@11||| |e+0#af5f00255&|c|h|o| +0#0000000&|"+0#e000002&|.@2|"| +0#0000000&@25
+@75
+@2|l+0#af5f00255&|a|n|g|u|a|g|e| +0#0000000&@9|d+0#0000001#ffff4012|e|_|D|E|.|U|T|F|-|8|@|e|u|r|o| +0#0000000#ffffff0||| |e+0#af5f00255&|c|h|o| +0#0000000&|"+0#e000002&|.@2|"| +0#0000000&@25
+@2|l+0#af5f00255&|a|n|g|u|a|g|e| +0#0000000&|c+0#e000e06&|o|l@1|a|t|e| +0#0000000&@1|d+0#0000001#ffff4012|e|_|D|E|.|U|T|F|-|8|@|e|u|r|o| +0#0000000#ffffff0||| |e+0#af5f00255&|c|h|o| +0#0000000&|"+0#e000002&|.@2|"| +0#0000000&@25
+@2|l+0#af5f00255&|a|n|g|u|a|g|e| +0#0000000&|c+0#e000e06&|t|y|p|e| +0#0000000&@3|d+0#0000001#ffff4012|e|_|D|E|.|U|T|F|-|8|@|e|u|r|o| +0#0000000#ffffff0||| |e+0#af5f00255&|c|h|o| +0#0000000&|"+0#e000002&|.@2|"| +0#0000000&@25
+@2|l+0#af5f00255&|a|n|g|u|a|g|e| +0#0000000&|t+0#e000e06&|i|m|e| +0#0000000&@4|d+0#0000001#ffff4012|e|_|D|E|.|U|T|F|-|8|@|e|u|r|o| +0#0000000#ffffff0||| |e+0#af5f00255&|c|h|o| +0#0000000&|"+0#e000002&|.@2|"| +0#0000000&@25
+@2|l+0#af5f00255&|a|n|g|u|a|g|e| +0#0000000&|m+0#e000e06&|e|s@1|a|g|e|s| +0#0000000&|d+0#0000001#ffff4012|e|_|D|E|.|U|T|F|-|8|@|e|u|r|o| +0#0000000#ffffff0||| |e+0#af5f00255&|c|h|o| +0#0000000&|"+0#e000002&|.@2|"| +0#0000000&@25
+|e+0#af5f00255&|n|d@1|e|f| +0#0000000&@68
+@75
+|~+0#4040ff13&| @73
+|~| @73
+|~| @73
+|~| @73
+| +0#0000000&@56|1|6|3|,|3| @8|B|o|t| 

diff --git a/runtime/syntax/testdir/input/vim_ex_language.vim b/runtime/syntax/testdir/input/vim_ex_language.vim
new file mode 100644 (file)
index 0000000..d4742a4
--- /dev/null
+++ b/runtime/syntax/testdir/input/vim_ex_language.vim
@@ -0,0 +1,172 @@
+" Vim :language command
+" VIM_TEST_SETUP hi link vimLanguageName Todo
+
+
+" print commands
+
+language
+language collate
+language ctype
+language time
+language messages
+
+
+" set commands
+
+language          C
+language collate  C
+language ctype    C
+language time     C
+language messages C
+
+language          POSIX
+language collate  POSIX
+language ctype    POSIX
+language time     POSIX
+language messages POSIX
+
+language          de_DE.UTF-8@euro
+language collate  de_DE.UTF-8@euro
+language ctype    de_DE.UTF-8@euro
+language time     de_DE.UTF-8@euro
+language messages de_DE.UTF-8@euro
+
+" tail comment and trailing bar
+
+language          " comment
+language collate  " comment
+language ctype    " comment
+language time     " comment
+language messages " comment
+
+language          de_DE.UTF-8@euro " comment
+language collate  de_DE.UTF-8@euro " comment
+language ctype    de_DE.UTF-8@euro " comment
+language time     de_DE.UTF-8@euro " comment
+language messages de_DE.UTF-8@euro " comment
+
+language          C                " comment
+language collate  C                " comment
+language ctype    C                " comment
+language time     C                " comment
+language messages C                " comment
+
+language          POSIX            " comment
+language collate  POSIX            " comment
+language ctype    POSIX            " comment
+language time     POSIX            " comment
+language messages POSIX            " comment
+
+language          de_DE.UTF-8@euro " comment
+language collate  de_DE.UTF-8@euro " comment
+language ctype    de_DE.UTF-8@euro " comment
+language time     de_DE.UTF-8@euro " comment
+language messages de_DE.UTF-8@euro " comment
+
+language          | echo "..."
+language collate  | echo "..."
+language ctype    | echo "..."
+language time     | echo "..."
+language messages | echo "..."
+
+language          C                | echo "..."
+language collate  C                | echo "..."
+language ctype    C                | echo "..."
+language time     C                | echo "..."
+language messages C                | echo "..."
+
+language          POSIX            | echo "..."
+language collate  POSIX            | echo "..."
+language ctype    POSIX            | echo "..."
+language time     POSIX            | echo "..."
+language messages POSIX            | echo "..."
+
+language          de_DE.UTF-8@euro | echo "..."
+language collate  de_DE.UTF-8@euro | echo "..."
+language ctype    de_DE.UTF-8@euro | echo "..."
+language time     de_DE.UTF-8@euro | echo "..."
+language messages de_DE.UTF-8@euro | echo "..."
+
+def Vim9Context()
+
+  # print commands
+
+  language
+  language collate
+  language ctype
+  language time
+  language messages
+
+
+  # set commands
+
+  language          C
+  language collate  C
+  language ctype    C
+  language time     C
+  language messages C
+
+  language          POSIX
+  language collate  POSIX
+  language ctype    POSIX
+  language time     POSIX
+  language messages POSIX
+
+  language          de_DE.UTF-8@euro
+  language collate  de_DE.UTF-8@euro
+  language ctype    de_DE.UTF-8@euro
+  language time     de_DE.UTF-8@euro
+  language messages de_DE.UTF-8@euro
+
+
+  # tail comment and trailing bar
+
+  language          # comment
+  language collate  # comment
+  language ctype    # comment
+  language time     # comment
+  language messages # comment
+
+  language          C                # comment
+  language collate  C                # comment
+  language ctype    C                # comment
+  language time     C                # comment
+  language messages C                # comment
+
+  language          POSIX            # comment
+  language collate  POSIX            # comment
+  language ctype    POSIX            # comment
+  language time     POSIX            # comment
+  language messages POSIX            # comment
+
+  language          de_DE.UTF-8@euro # comment
+  language collate  de_DE.UTF-8@euro # comment
+  language ctype    de_DE.UTF-8@euro # comment
+  language time     de_DE.UTF-8@euro # comment
+  language messages de_DE.UTF-8@euro # comment
+
+  language          | echo "..."
+  language collate  | echo "..."
+  language ctype    | echo "..."
+  language time     | echo "..."
+  language messages | echo "..."
+
+  language          C                | echo "..."
+  language collate  C                | echo "..."
+  language ctype    C                | echo "..."
+  language time     C                | echo "..."
+  language messages C                | echo "..."
+
+  language          POSIX            | echo "..."
+  language collate  POSIX            | echo "..."
+  language ctype    POSIX            | echo "..."
+  language time     POSIX            | echo "..."
+  language messages POSIX            | echo "..."
+
+  language          de_DE.UTF-8@euro | echo "..."
+  language collate  de_DE.UTF-8@euro | echo "..."
+  language ctype    de_DE.UTF-8@euro | echo "..."
+  language time     de_DE.UTF-8@euro | echo "..."
+  language messages de_DE.UTF-8@euro | echo "..."
+enddef
+

diff --git a/runtime/syntax/vim.vim b/runtime/syntax/vim.vim
index 6d1d003818b6116ee57ae900f0a36ceeabc2b251..9a26434792f11d9dc7fafca79a0f1a3894d371bc 100644 (file)
--- a/runtime/syntax/vim.vim
+++ b/runtime/syntax/vim.vim
@@ -2,7 +2,7 @@
 " Language:       Vim script
 " Maintainer:     Hirohito Higashi <h.east.727 ATMARK gmail.com>
 "         Doug Kearns <dougkearns@gmail.com>
-" Last Change:    2025 Nov 27
+" Last Change:    2025 Nov 29
 " Former Maintainer: Charles E. Campbell
 
 " DO NOT CHANGE DIRECTLY.
@@ -35,8 +35,8 @@ syn cluster vimCommentGroup   contains=vimTodo,@Spell
 " regular vim commands {{{2
 " GEN_SYN_VIM: vimCommand normal, START_STR='syn keyword vimCommand contained', END_STR='nextgroup=vimBang'
 syn keyword vimCommand contained al[l] ar[gs] arga[dd] argd[elete] argded[upe] arge[dit] argg[lobal] argl[ocal] argu[ment] as[cii] b[uffer] bN[ext] ba[ll] bad[d] balt bd[elete] bf[irst] bl[ast] bm[odified] bn[ext] bp[revious] br[ewind] brea[k] buffers bun[load] bw[ipeout] cN[ext] cNf[ile] cabo[ve] cad[dbuffer] cadde[xpr] caddf[ile] caf[ter] cb[uffer] cbe[fore] cbel[ow] cbo[ttom] cc ccl[ose] ce[nter] cex[pr] cf[ile] cfir[st] cg[etfile] cgetb[uffer] cgete[xpr] changes che[ckpath] checkt[ime] chi[story] cl[ist] clip[reset] cla[st] clo[se] cle[arjumps] cn[ext] cnew[er] cnf[ile] col[der] colo[rscheme] comc[lear] comp[iler] con[tinue] cope[n] cp[revious] cpf[ile] cq[uit] cr[ewind] cs[cope] cst[ag] cw[indow] delm[arks] defc[ompile] di[splay] dif[fupdate] diffg[et] diffo[ff] nextgroup=vimBang
-syn keyword vimCommand contained diffp[atch] diffpu[t] diffs[plit] difft[his] dig[raphs] disa[ssemble] dj[ump] dli[st] dr[op] ds[earch] dsp[lit] e[dit] ea[rlier] em[enu] endfo[r] endt[ry] endw[hile] ene[w] ex exi[t] exu[sage] f[ile] files fin[d] fina[lly] fini[sh] fir[st] fix[del] fo[ld] foldc[lose] foldo[pen] g[lobal] go[to] gu[i] gv[im] h[elp] helpc[lose] helpf[ind] helpt[ags] ha[rdcopy] ij[ump] il[ist] int[ro] ip[ut] is[earch] isp[lit] ju[mps] l[ist] lN[ext] lNf[ile] la[st] lab[ove] lan[guage] lad[dexpr] laddb[uffer] laddf[ile] laf[ter] lat[er] lb[uffer] lbe[fore] lbel[ow] lbo[ttom] lcl[ose] lcs[cope] le[ft] lex[pr] lf[ile] lfir[st] lg[etfile] lgetb[uffer] lgete[xpr] lhi[story] ll lla[st] lli[st] lmak[e] lne[xt] lnew[er] lnf[ile] lo[adview] lockv[ar] lol[der] nextgroup=vimBang
-syn keyword vimCommand contained lop[en] lp[revious] lpf[ile] lr[ewind] lt[ag] lw[indow] ls m[ove] marks mes[sages] mk[exrc] mks[ession] mksp[ell] mkv[imrc] mkvie[w] mod[e] n[ext] nb[key] nbc[lose] nbs[tart] noh[lsearch] nu[mber] o[pen] ol[dfiles] on[ly] opt[ions] ow[nsyntax] p[rint] pa[ckadd] packl[oadall] pb[uffer] pc[lose] ped[it] po[p] pp[op] pre[serve] prev[ious] ps[earch] pt[ag] ptN[ext] ptf[irst] ptj[ump] ptl[ast] ptn[ext] ptp[revious] ptr[ewind] pts[elect] pu[t] pw[d] q[uit] quita[ll] qa[ll] r[ead] rec[over] red[o] redr[aw] redraws[tatus] redrawt[abline] redrawtabp[anel] reg[isters] res[ize] ret[ab] rew[ind] ri[ght] ru[ntime] rund[o] rv[iminfo] sN[ext] sa[rgument] sal[l] sav[eas] sb[uffer] sbN[ext] sba[ll] sbf[irst] sbl[ast] sbm[odified] sbn[ext] sbp[revious] nextgroup=vimBang
+syn keyword vimCommand contained diffp[atch] diffpu[t] diffs[plit] difft[his] dig[raphs] disa[ssemble] dj[ump] dli[st] dr[op] ds[earch] dsp[lit] e[dit] ea[rlier] em[enu] endfo[r] endt[ry] endw[hile] ene[w] ex exi[t] exu[sage] f[ile] files fin[d] fina[lly] fini[sh] fir[st] fix[del] fo[ld] foldc[lose] foldo[pen] g[lobal] go[to] gu[i] gv[im] h[elp] helpc[lose] helpf[ind] helpt[ags] ha[rdcopy] ij[ump] il[ist] int[ro] ip[ut] is[earch] isp[lit] ju[mps] l[ist] lN[ext] lNf[ile] la[st] lab[ove] lad[dexpr] laddb[uffer] laddf[ile] laf[ter] lat[er] lb[uffer] lbe[fore] lbel[ow] lbo[ttom] lcl[ose] lcs[cope] le[ft] lex[pr] lf[ile] lfir[st] lg[etfile] lgetb[uffer] lgete[xpr] lhi[story] ll lla[st] lli[st] lmak[e] lne[xt] lnew[er] lnf[ile] lo[adview] lockv[ar] lol[der] lop[en] nextgroup=vimBang
+syn keyword vimCommand contained lp[revious] lpf[ile] lr[ewind] lt[ag] lw[indow] ls m[ove] marks mes[sages] mk[exrc] mks[ession] mksp[ell] mkv[imrc] mkvie[w] mod[e] n[ext] nb[key] nbc[lose] nbs[tart] noh[lsearch] nu[mber] o[pen] ol[dfiles] on[ly] opt[ions] ow[nsyntax] p[rint] pa[ckadd] packl[oadall] pb[uffer] pc[lose] ped[it] po[p] pp[op] pre[serve] prev[ious] ps[earch] pt[ag] ptN[ext] ptf[irst] ptj[ump] ptl[ast] ptn[ext] ptp[revious] ptr[ewind] pts[elect] pu[t] pw[d] q[uit] quita[ll] qa[ll] r[ead] rec[over] red[o] redr[aw] redraws[tatus] redrawt[abline] redrawtabp[anel] reg[isters] res[ize] ret[ab] rew[ind] ri[ght] ru[ntime] rund[o] rv[iminfo] sN[ext] sa[rgument] sal[l] sav[eas] sb[uffer] sbN[ext] sba[ll] sbf[irst] sbl[ast] sbm[odified] sbn[ext] sbp[revious] nextgroup=vimBang
 syn keyword vimCommand contained sbr[ewind] scr[iptnames] scripte[ncoding] scriptv[ersion] scs[cope] setf[iletype] sf[ind] sfir[st] sh[ell] sim[alt] sig[n] sla[st] sn[ext] so[urce] spe[llgood] spelld[ump] spelli[nfo] spellr[epall] spellra[re] spellu[ndo] spellw[rong] spr[evious] sre[wind] st[op] sta[g] star[tinsert] startg[replace] startr[eplace] stopi[nsert] stj[ump] sts[elect] sun[hide] sus[pend] sv[iew] sync[bind] smi[le] t tN[ext] ta[g] tags tabc[lose] tabe[dit] tabf[ind] tabfir[st] tabm[ove] tabl[ast] tabn[ext] tabnew tabo[nly] tabp[revious] tabN[ext] tabr[ewind] tabs te[aroff] tf[irst] tj[ump] tl[ast] tn[ext] tp[revious] tr[ewind] try ts[elect] u[ndo] undoj[oin] undol[ist] unh[ide] up[date] v[global] ve[rsion] vi[sual] vie[w] viu[sage] vne[w] vs[plit] w[rite] nextgroup=vimBang
 syn keyword vimCommand contained wN[ext] wa[ll] wi[nsize] winp[os] wl[restore] wn[ext] wp[revious] wq wqa[ll] wu[ndo] wv[iminfo] x[it] xa[ll] xr[estore] y[ank] z dl dell delel deletl deletel dp dep delp delep deletp deletep a i nextgroup=vimBang
 
@@ -300,7 +300,7 @@ syn match   vimNumber       '\<0z\%(\x\x\)\+\%(\.\%(\x\x\)\+\)*'    skipwhite nextgroup=@vi
 syn case match
 
 " All vimCommands are contained by vimIsCommand. {{{2
-syn cluster vimCmdList contains=vimAbb,vimAddress,vimAt,vimAutocmd,vimAugroup,vimBehave,vimBreakadd,vimBreakdel,vimBreaklist,vimCall,vimCatch,vimCd,vimCommandModifier,vimConst,vimDoautocmd,vimDebug,vimDebuggreedy,vimDef,vimDefFold,vimDefer,vimDelcommand,vimDelFunction,vimDoCommand,@vimEcho,vimElse,vimEnddef,vimEndfunction,vimEndif,vimEval,vimExecute,vimIsCommand,vimExtCmd,vimExFilter,vimExMark,vimFiletype,vimFor,vimFunction,vimFunctionFold,vimGrep,vimGrepAdd,vimGlobal,vimHelpgrep,vimHighlight,vimHistory,vimImport,vimLet,vimLoadkeymap,vimLockvar,vimMake,vimMap,vimMark,vimMatch,vimNotFunc,vimNormal,vimProfdel,vimProfile,vimPrompt,vimRedir,vimSet,vimSleep,vimSort,vimSyntax,vimSyntime,vimSynColor,vimSynLink,vimTerminal,vimThrow,vimUniq,vimUnlet,vimUnlockvar,vimUnmap,vimUserCmd,vimVimgrep,vimVimgrepadd,vimWincmd,vimMenu,vimMenutranslate,@vim9CmdList,@vimExUserCmdList,vimLua,vimMzScheme,vimPerl,vimPython,vimPython3,vimPythonX,vimRuby,vimTcl
+syn cluster vimCmdList contains=vimAbb,vimAddress,vimAt,vimAutocmd,vimAugroup,vimBehave,vimBreakadd,vimBreakdel,vimBreaklist,vimCall,vimCatch,vimCd,vimCommandModifier,vimConst,vimDoautocmd,vimDebug,vimDebuggreedy,vimDef,vimDefFold,vimDefer,vimDelcommand,vimDelFunction,vimDoCommand,@vimEcho,vimElse,vimEnddef,vimEndfunction,vimEndif,vimEval,vimExecute,vimIsCommand,vimExtCmd,vimExFilter,vimExMark,vimFiletype,vimFor,vimFunction,vimFunctionFold,vimGrep,vimGrepAdd,vimGlobal,vimHelpgrep,vimHighlight,vimHistory,vimImport,vimLanguage,vimLet,vimLoadkeymap,vimLockvar,vimMake,vimMap,vimMark,vimMatch,vimNotFunc,vimNormal,vimProfdel,vimProfile,vimPrompt,vimRedir,vimSet,vimSleep,vimSort,vimSyntax,vimSyntime,vimSynColor,vimSynLink,vimTerminal,vimThrow,vimUniq,vimUnlet,vimUnlockvar,vimUnmap,vimUserCmd,vimVimgrep,vimVimgrepadd,vimWincmd,vimMenu,vimMenutranslate,@vim9CmdList,@vimExUserCmdList,vimLua,vimMzScheme,vimPerl,vimPython,vimPython3,vimPythonX,vimRuby,vimTcl
 syn cluster vim9CmdList        contains=vim9Abstract,vim9Class,vim9Const,vim9Enum,vim9Export,vim9Final,vim9For,vim9Interface,vim9Type,vim9Var
 syn match vimCmdSep    "\\\@1<!|"      skipwhite nextgroup=@vimCmdList,vimSubst1,@vimFunc
 syn match vimCmdSep    ":\+"   skipwhite nextgroup=@vimCmdList,vimSubst1
@@ -495,6 +495,16 @@ endif
 syn match      vimImportName   contained       "\%(\<as\s\+\)\@<=\h\w*\>"      skipwhite nextgroup=@vimComment
 syn match      vimImport               "\<imp\%[ort]\>"                skipwhite nextgroup=vimImportAutoload,vimImportFilename
 
+" Language {{{2
+" ========
+syn keyword    vimLanguage             lan[guage]      skipwhite nextgroup=@vimLanguageName,vimLanguageCategory,vimSep,vimComment,vim9Comment
+syn keyword    vimLanguageCategory     contained       col[late] cty[pe] mes[sages] tim[e]     skipwhite nextgroup=@vimLanguageName
+
+" [language[_territory][.codeset][@modifier]] and the reserved "C" and "POSIX"
+syn match      vimLanguageName         contained       "[[:alnum:]][[:alnum:]._@-]*[[:alnum:]]"        nextgroup=vimSep,vimComment,vim9Comment
+syn keyword    vimLanguageNameReserved contained       C POSIX                 nextgroup=vimSep,vimComment,vim9Comment
+syn cluster    vimLanguageName contains=vimLanguageName,vimLanguageNameReserved
+
 " Augroup : vimAugroupError removed because long augroups caused sync'ing problems. {{{2
 " ======= : Trade-off: Increasing synclines with slower editing vs augroup END error checking.
 syn cluster vimAugroupList     contains=@vimCmdList,vimFilter,@vimFunc,vimLineComment,vimSpecFile,vimOper,vimNumber,vimOperParen,@vimComment,vimString,vimSubst,vimRegister,vimCmplxRepeat,vimNotation,vimCtrlChar,vimContinue
@@ -2597,6 +2607,9 @@ if !exists("skip_vim_syntax_inits")
  hi def link vimKeymapTailComment      vimComment
  hi def link vimLambdaBrace    Delimiter
  hi def link vimLambdaOperator vimOper
+ hi def link vimLanguage       vimCommand
+ hi def link vimLanguageCategory       Special
+ hi def link vimLanguageNameReserved   Constant
  hi def link vimLet    vimCommand
  hi def link vimLetHeredoc     vimString
  hi def link vimLetHeredocStart        Special