runtime(vim): Update base syntax, improve line-continuation skip patterns

Commit: 
https://github.com/vim/vim/commit/ae20d732ae691793297139f688936c602c674999
Author: Doug Kearns <[email protected]>
Date:   Sun Sep 28 18:02:13 2025 +0000

    runtime(vim): Update base syntax, improve line-continuation skip patterns
    
    Factor out the common prefix in line-continuation :syn-skip patterns.
    
    closes: #18416
    
    Signed-off-by: Doug Kearns <[email protected]>
    Signed-off-by: Christian Brabandt <[email protected]>

diff --git a/runtime/syntax/generator/vim.vim.base 
b/runtime/syntax/generator/vim.vim.base
index e7b24dfbb..461eafb11 100644
--- a/runtime/syntax/generator/vim.vim.base
+++ b/runtime/syntax/generator/vim.vim.base
@@ -561,7 +561,7 @@ syn match   vimDelfunction                  
"\<delf\%[unction]\>"   skipwhite nextgroup=vimDelfunct
 
 syn region     vimReturnType   contained
       \ start=":\%(\s\|
\)\@="
-      \ skip=+
\s*\\|
\s*#\ \|^\s*#\ +
+      \ skip=+
\s*\%(\\|#\ \)\|^\s*#\ +
       \ end="$"
       \ matchgroup=vim9Comment
       "\ allow for legacy script tail comment error
@@ -620,7 +620,7 @@ if s:vim9script
 
   syn region   vim9MethodDefReturnType contained
         \ start=":\%(\s\|
\)\@="
-        \ skip=+
\s*\\|
\s*#\ \|^\s*#\ +
+        \ skip=+
\s*\%(\\|#\ \)\|^\s*#\ +
         \ end="$"
         \ matchgroup=vim9Comment
         \ end="\ze#"
@@ -630,7 +630,7 @@ if s:vim9script
 
   syn region   vim9MethodDefComment    contained
         \ start="#.*"
-        \ skip=+
\s*\\|
\s*#\ +
+        \ skip=+
\s*\%(\\|#\ \)+
         \ end="$"
         \ skipwhite skipempty nextgroup=vim9MethodDefBody,vimEnddef
 
@@ -1081,7 +1081,7 @@ syn region        vimLetVarSubscript contained
 VimL syn keyword       vimUnlet                unl[et] skipwhite 
nextgroup=vimUnletBang,vimUnletVars
 syn match      vimUnletBang    contained       " \@1<=!"       skipwhite 
nextgroup=vimUnletVars
 syn region     vimUnletVars    contained
-      \ start="$\I\|\h" skip=+
\s*\\|
\s*"\ \|^\s*"\ + end="$" end="\ze[|"]"
+      \ start="$\I\|\h" skip=+
\s*\%(\\|"\ \)\|^\s*"\ + end="$" end="\ze[|"]"
       \ nextgroup=vimCmdSep,vimComment
       \ contains=@vimContinue,vimEnvvar,vimVar,vimVimVar
 
@@ -1156,7 +1156,7 @@ syn keyword       vimUnlockvar    unlo[ckvar]     
skipwhite nextgroup=vimLockvarBang,vimLockv
 syn match      vimLockvarBang  contained       " \@1<=!"       skipwhite 
nextgroup=vimLockvarVars
 syn match      vimLockvarDepth contained       "\<[0-3]\>"     skipwhite 
nextgroup=vimLockvarVars
 syn region     vimLockvarVars  contained
-      \ start="\h" skip=+
\s*\\|
\s*"\ \|^\s*"\ + end="$" end="\ze[|"]"
+      \ start="\h" skip=+
\s*\%(\\|"\ \)\|^\s*"\ + end="$" end="\ze[|"]"
       \ nextgroup=vimCmdSep,vimComment
       \ contains=@vimContinue,vimVar
 
@@ -1437,8 +1437,8 @@ syn case match
 " NOTE: tail comments disallowed
 " GEN_SYN_VIM: vimCommand menu, START_STR='syn keyword vimMenu', 
END_STR='skipwhite 
nextgroup=vimMenuBang,vimMenuMod,vimMenuName,vimMenuPriority,vimMenuStatus'
 syn keyword vimMenu popu[p] skipwhite nextgroup=vimMenuBang,vimMenuName
-syn region     vimMenuRhs       contained contains=@vimContinue,vimNotation 
start="|\@!\S"            skip=+\\\|\|\|
\s*\\|
\s*"\ + end="$" matchgroup=vimSep end="|"
-syn region     vimMenuRhsContinue contained contains=@vimContinue,vimNotation 
start=+^\s*\%(\\|"\ \)+ skip=+\\\|\|\|
\s*\\|
\s*"\ + end="$" matchgroup=vimSep end="|"
+syn region     vimMenuRhs       contained contains=@vimContinue,vimNotation 
start="|\@!\S"            skip=+\\\|\|\|
\s*\%(\\|"\ \)+ end="$" matchgroup=vimSep end="|"
+syn region     vimMenuRhsContinue contained contains=@vimContinue,vimNotation 
start=+^\s*\%(\\|"\ \)+ skip=+\\\|\|\|
\s*\%(\\|"\ \)+ end="$" matchgroup=vimSep end="|"
 syn match      vimMenuName     "\.\@!\%(\\s\|\S\)\+"        contained 
contains=vimMenuNotation,vimNotation skipwhite        
nextgroup=vimCmdSep,vimMenuRhs
 syn match      vimMenuName     "\.\@!\%(\\s\|\S\)\+\ze\s*$" contained 
contains=vimMenuNotation,vimNotation skipwhite skipnl 
nextgroup=vimCmdSep,vimMenuRhsContinue
 syn match      vimMenuNotation "& \|&&\|\\s\|\\." contained
@@ -1449,7 +1449,7 @@ syn match vimMenuBang     " \@1<=!" contained skipwhite 
nextgroup=vimMenuName,vimMe
 
 syn region     vimMenutranslate
       \ matchgroup=vimCommand start="\<menut\%[ranslate]\>"
-      \ skip=+\\\|\|\|
\s*\\|
\s*"\ +
+      \ skip=+\\\|\|\|
\s*\%(\\|"\ \)+
       \ end="$" matchgroup=vimCmdSep end="|" matchgroup=vimMenuClear 
end="\<clear\ze\s*\%(["#|]\|$\)"
       \ contains=@vimContinue,vimMenutranslateName keepend transparent
 " oneline is sufficient to match the current formatting in runtime/lang/*.vim
@@ -1534,7 +1534,7 @@ syn region        vimMatchPattern contained
 " Normal: {{{2
 " ======
 syn match      vimNormal               "\<norm\%[al]\>!\=" skipwhite 
nextgroup=vimNormalArg contains=vimBang
-syn region     vimNormalArg    contained       start="\S" skip=+
\s*\\|
\s*["#]\ + end="$" contains=@vimContinue
+syn region     vimNormalArg    contained       start="\S" skip=+
\s*\%(\\|["#]\ \)+ end="$" contains=@vimContinue
 
 " Profile: {{{2
 " =======
@@ -1667,7 +1667,7 @@ Vim9 syn match    vimWincmd       
"\s\=\<winc\%[md]\>\ze\s\+=\s*\%([#|]\|$\)"     skipwhite n
 " Syntax: {{{2
 "=======
 syn match      vimGroupList    contained       
"[^[:space:],]\+\%(\s*,\s*[^[:space:],]\+\)*" contains=vimGroupSpecial
-syn region     vimGroupList    contained       start=/^\s*["#]\ 
\|^\s*\\|[^[:space:],]\+\s*,/ skip=/\s*
\s*\\|\s*
\s*["#]\ \|^\s*\\|^\s*["#]\ / end=/[^[:space:],]\s*$\|[^[:space:],]\ze\s\+\w/ 
contains=@vimContinue,vimGroupSpecial
+syn region     vimGroupList    contained       start=/^\s*["#]\ 
\|^\s*\\|[^[:space:],]\+\s*,/ skip=/\s*
\s*\%(\\|["#]\ \)\|^\s*\%(\\|["#]\ \)/ 
end=/[^[:space:],]\s*$\|[^[:space:],]\ze\s\+\w/ 
contains=@vimContinue,vimGroupSpecial
 syn keyword    vimGroupSpecial contained       ALL     ALLBUT  CONTAINED       
TOP
 
 if !exists("g:vimsyn_noerror") && !exists("g:vimsyn_novimsynerror")
@@ -1698,7 +1698,7 @@ syn keyword       vimSynType      contained       clear   
skipwhite nextgroup=vimGroupList
 
 " Syntax: cluster {{{2
 syn keyword    vimSynType      contained       cluster skipwhite 
nextgroup=vimClusterName
-syn region     vimClusterName  contained keepend       matchgroup=vimGroupName 
start="\h\w*\>" skip=+\\\|\\|
\s*\\|
\s*"\ + matchgroup=vimCmdSep end="$\||" 
contains=@vimContinue,vimGroupAdd,vimGroupRem,vimSynContains,vimSynError
+syn region     vimClusterName  contained keepend       matchgroup=vimGroupName 
start="\h\w*\>" skip=+\\\|\\|
\s*\%(\\|"\ \)+ matchgroup=vimCmdSep end="$\||" 
contains=@vimContinue,vimGroupAdd,vimGroupRem,vimSynContains,vimSynError
 syn match      vimGroupAdd     contained keepend       "\<add="        
skipwhite skipnl nextgroup=vimGroupList
 syn match      vimGroupRem     contained keepend       "\<remove="     
skipwhite skipnl nextgroup=vimGroupList
 
@@ -1728,13 +1728,13 @@ syn keyword     vimSynType      contained       include 
skipwhite nextgroup=vimGroupList
 " Syntax: keyword {{{2
 syn cluster    vimSynKeyGroup  
contains=@vimContinue,vimSynCchar,vimSynNextgroup,vimSynKeyOpt,vimSynKeyContainedin
 syn keyword    vimSynType      contained       keyword skipwhite 
nextgroup=vimSynKeyRegion
-syn region     vimSynKeyRegion contained         keepend       
matchgroup=vimGroupName start="\h\w*\>" skip=+\\\|\|\|
\s*\\|
\s*"\ + matchgroup=vimCmdSep end="|\|$" contains=@vimSynKeyGroup
+syn region     vimSynKeyRegion contained         keepend       
matchgroup=vimGroupName start="\h\w*\>" skip=+\\\|\|\|
\s*\%(\\|"\ \)+ matchgroup=vimCmdSep end="|\|$" contains=@vimSynKeyGroup
 syn match      vimSynKeyOpt    contained       
"\%#=1\<\%(conceal\|contained\|transparent\|skipempty\|skipwhite\|skipnl\)\>"
 
 " Syntax: match {{{2
 syn cluster    vimSynMtchGroup 
contains=@vimContinue,vimSynCchar,vimSynContains,vimSynError,vimSynMtchOpt,vimSynNextgroup,vimSynRegPat,vimNotation,vimMtchComment
 syn keyword    vimSynType      contained       match   skipwhite 
nextgroup=vimSynMatchRegion
-syn region     vimSynMatchRegion       contained keepend       
matchgroup=vimGroupName start="\h\w*\>" skip=+\\\|\|\|
\s*\\|
\s*"\ + matchgroup=vimCmdSep end="|\|$" contains=@vimSynMtchGroup
+syn region     vimSynMatchRegion       contained keepend       
matchgroup=vimGroupName start="\h\w*\>" skip=+\\\|\|\|
\s*\%(\\|"\ \)+ matchgroup=vimCmdSep end="|\|$" contains=@vimSynMtchGroup
 syn match      vimSynMtchOpt   contained       
"\%#=1\<\%(conceal\|transparent\|contained\|excludenl\|keepend\|skipempty\|skipwhite\|display\|extend\|skipnl\|fold\)\>"
 
 " Syntax: off and on {{{2
@@ -1744,11 +1744,11 @@ syn keyword     vimSynType      contained       enable  
list    manual  off     on      reset
 syn cluster    vimSynRegPatGroup       
contains=@vimContinue,vimPatSep,vimNotPatSep,vimSynPatRange,vimSynNotPatRange,vimSubstSubstr,vimPatRegion,vimPatSepErr,vimNotation
 syn cluster    vimSynRegGroup  
contains=@vimContinue,vimSynCchar,vimSynContains,vimSynNextgroup,vimSynRegOpt,vimSynReg,vimSynMtchGrp
 syn keyword    vimSynType      contained       region  skipwhite 
nextgroup=vimSynRegion
-syn region     vimSynRegion    contained keepend       matchgroup=vimGroupName 
start="\h\w*" skip=+\\\|\\|
\s*\\|
\s*"\ + matchgroup=vimCmdSep end="|\|$" contains=@vimSynRegGroup
+syn region     vimSynRegion    contained keepend       matchgroup=vimGroupName 
start="\h\w*" skip=+\\\|\\|
\s*\%(\\|"\ \)+ matchgroup=vimCmdSep end="|\|$" contains=@vimSynRegGroup
 syn match      vimSynRegOpt    contained       
"\%#=1\<\%(conceal\%(ends\)\=\|transparent\|contained\|excludenl\|skipempty\|skipwhite\|display\|keepend\|oneline\|extend\|skipnl\|fold\)\>"
 syn match      vimSynReg       contained       "\<\%(start\|skip\|end\)="      
nextgroup=vimSynRegPat
 syn match      vimSynMtchGrp   contained       "matchgroup="   
nextgroup=vimGroup,vimHLGroup
-syn region     vimSynRegPat    contained extend        
start="\z([-`~!@#$%^&*_=+;:'",./?]\)"  skip=/\\\|\\z1\|
\s*\\|
\s*"\ /  end="\z1"  contains=@vimSynRegPatGroup skipwhite 
nextgroup=vimSynPatMod,vimSynReg
+syn region     vimSynRegPat    contained extend        
start="\z([-`~!@#$%^&*_=+;:'",./?]\)"  skip=/\\\|\\z1\|
\s*\%(\\|"\ \)/  end="\z1"  contains=@vimSynRegPatGroup skipwhite 
nextgroup=vimSynPatMod,vimSynReg
 syn match      vimSynPatMod    contained       
"\%#=1\%(hs\|ms\|me\|hs\|he\|rs\|re\)=[se]\%([-+]\d\+\)\="
 syn match      vimSynPatMod    contained       
"\%#=1\%(hs\|ms\|me\|hs\|he\|rs\|re\)=[se]\%([-+]\d\+\)\=," 
nextgroup=vimSynPatMod
 syn match      vimSynPatMod    contained       "lc=\d\+"
@@ -1771,7 +1771,7 @@ if !exists("g:vimsyn_noerror") && 
!exists("g:vimsyn_novimsyncerror")
  syn match     vimSyncError    contained       "\i\+"
 endif
 
-syn region     vimSyncArgs     contained       start="\S" skip=+\\\|\|\|
\s*\\|
\s*"\ + matchgroup=vimCmdSep end="|\|$" 
contains=vimSyncLines,vimSyncLinebreak,vimSyncLinecont,vimSyncFromstart,vimSyncCcomment
+syn region     vimSyncArgs     contained       start="\S" skip=+\\\|\|\|
\s*\%(\\|"\ \)+ matchgroup=vimCmdSep end="|\|$" 
contains=vimSyncLines,vimSyncLinebreak,vimSyncLinecont,vimSyncFromstart,vimSyncCcomment
 
 syn keyword    vimSyncCcomment contained       ccomment        skipwhite       
nextgroup=vimGroupName
 syn keyword    vimSyncClear    contained       clear   skipwhite       
nextgroup=vimSyncGroupName
@@ -1822,7 +1822,7 @@ syn match vimHiGuiRgb     contained       "#\x\{6}"
 
 " Highlighting: hi group key=arg ... {{{2
 syn cluster    vimHiCluster 
contains=vimGroup,vimHLGroup,vimHiGroup,vimHiNone,vimHiTerm,vimHiCTerm,vimHiStartStop,vimHiCtermFgBg,vimHiCtermul,vimHiCtermfont,vimHiGui,vimHiGuiFont,vimHiGuiFgBg,vimHiKeyError,vimNotation,vimComment,vim9comment
-syn region     vimHiKeyList    contained       start="\i\+" skip=+\\\|\|\|
\s*\\|
\s*"\ + matchgroup=vimCmdSep end="|" excludenl end="$" 
contains=@vimContinue,@vimHiCluster
+syn region     vimHiKeyList    contained       start="\i\+" skip=+\\\|\|\|
\s*\%(\\|"\ \)+ matchgroup=vimCmdSep end="|" excludenl end="$" 
contains=@vimContinue,@vimHiCluster
 if !exists("g:vimsyn_noerror") && !exists("g:vimsyn_vimhikeyerror")
  syn match     vimHiKeyError   contained       "\i\+="he=e-1
 endif
@@ -1845,7 +1845,7 @@ syn keyword       vimHiClear      contained       clear   
skipwhite nextgroup=vimGroup,vimHLGroup,v
 " see tst24 (hi def vs hi) (Jul 06, 2018)
 "syn region    vimHiLink       contained oneline matchgroup=vimCommand 
start="\(\<hi\%[ghlight]\s\+\)\@<=\(\(def\%[ault]\s\+\)\=link\>\|\<def\>\)" 
end="$"     contains=vimHiGroup,vimGroup,vimHLGroup,vimNotation
 " TODO: simplify and allow line continuations --djk
-syn region     vimHiLink       contained matchgroup=Type 
start="\%(\<hi\%[ghlight]!\=\s\+\)\@<=\%(\%(def\%[ault]\s\+\)\=link\>\|\<def\%[ault]\>\)"
 skip=+\\\|\|\|
\s*\\|
\s*"\ + matchgroup=vimCmdSep end="|" excludenl end="$" 
contains=@vimContinue,@vimHiCluster
+syn region     vimHiLink       contained matchgroup=Type 
start="\%(\<hi\%[ghlight]!\=\s\+\)\@<=\%(\%(def\%[ault]\s\+\)\=link\>\|\<def\%[ault]\>\)"
 skip=+\\\|\|\|
\s*\%(\\|"\ \)+ matchgroup=vimCmdSep end="|" excludenl end="$" 
contains=@vimContinue,@vimHiCluster
 
 " Control Characters: {{{2
 " ==================
@@ -2214,8 +2214,8 @@ syn region        vim9TypeArgs    contained
 
 " Beginners - Patterns that involve ^ {{{2
 " =========
-Vim9 syn region        vim9LineComment start=+^[       :]*\zs#.*$+ skip=+
\s*\\|
\s*#\ + end="$" contains=@vimCommentGroup,vimCommentString,vim9CommentTitle 
extend
-VimL syn region        vimLineComment  start=+^[       :]*\zs".*$+ skip=+
\s*\\|
\s*"\ + end="$" contains=@vimCommentGroup,vimCommentString,vimCommentTitle 
extend
+Vim9 syn region        vim9LineComment start=+^[       :]*\zs#.*$+ skip=+
\s*\%(\\|#\ \)+ end="$" 
contains=@vimCommentGroup,vimCommentString,vim9CommentTitle extend
+VimL syn region        vimLineComment  start=+^[       :]*\zs".*$+ skip=+
\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
diff --git a/runtime/syntax/vim.vim b/runtime/syntax/vim.vim
index b5c1673fb..06949222b 100644
--- a/runtime/syntax/vim.vim
+++ b/runtime/syntax/vim.vim
@@ -615,7 +615,7 @@ syn match   vimDelfunction                  
"\<delf\%[unction]\>"   skipwhite nextgroup=vimDelfunct
 
 syn region     vimReturnType   contained
       \ start=":\%(\s\|
\)\@="
-      \ skip=+
\s*\\|
\s*#\ \|^\s*#\ +
+      \ skip=+
\s*\%(\\|#\ \)\|^\s*#\ +
       \ end="$"
       \ matchgroup=vim9Comment
       "\ allow for legacy script tail comment error
@@ -674,7 +674,7 @@ if s:vim9script
 
   syn region   vim9MethodDefReturnType contained
         \ start=":\%(\s\|
\)\@="
-        \ skip=+
\s*\\|
\s*#\ \|^\s*#\ +
+        \ skip=+
\s*\%(\\|#\ \)\|^\s*#\ +
         \ end="$"
         \ matchgroup=vim9Comment
         \ end="\ze#"
@@ -684,7 +684,7 @@ if s:vim9script
 
   syn region   vim9MethodDefComment    contained
         \ start="#.*"
-        \ skip=+
\s*\\|
\s*#\ +
+        \ skip=+
\s*\%(\\|#\ \)+
         \ end="$"
         \ skipwhite skipempty nextgroup=vim9MethodDefBody,vimEnddef
 
@@ -1137,7 +1137,7 @@ syn region        vimLetVarSubscript contained
 VimL syn keyword       vimUnlet                unl[et] skipwhite 
nextgroup=vimUnletBang,vimUnletVars
 syn match      vimUnletBang    contained       " \@1<=!"       skipwhite 
nextgroup=vimUnletVars
 syn region     vimUnletVars    contained
-      \ start="$\I\|\h" skip=+
\s*\\|
\s*"\ \|^\s*"\ + end="$" end="\ze[|"]"
+      \ start="$\I\|\h" skip=+
\s*\%(\\|"\ \)\|^\s*"\ + end="$" end="\ze[|"]"
       \ nextgroup=vimCmdSep,vimComment
       \ contains=@vimContinue,vimEnvvar,vimVar,vimVimVar
 
@@ -1212,7 +1212,7 @@ syn keyword       vimUnlockvar    unlo[ckvar]     
skipwhite nextgroup=vimLockvarBang,vimLockv
 syn match      vimLockvarBang  contained       " \@1<=!"       skipwhite 
nextgroup=vimLockvarVars
 syn match      vimLockvarDepth contained       "\<[0-3]\>"     skipwhite 
nextgroup=vimLockvarVars
 syn region     vimLockvarVars  contained
-      \ start="\h" skip=+
\s*\\|
\s*"\ \|^\s*"\ + end="$" end="\ze[|"]"
+      \ start="\h" skip=+
\s*\%(\\|"\ \)\|^\s*"\ + end="$" end="\ze[|"]"
       \ nextgroup=vimCmdSep,vimComment
       \ contains=@vimContinue,vimVar
 
@@ -1499,8 +1499,8 @@ syn case match
 " GEN_SYN_VIM: vimCommand menu, START_STR='syn keyword vimMenu', 
END_STR='skipwhite 
nextgroup=vimMenuBang,vimMenuMod,vimMenuName,vimMenuPriority,vimMenuStatus'
 syn keyword vimMenu am[enu] an[oremenu] aun[menu] cme[nu] cnoreme[nu] 
cunme[nu] ime[nu] inoreme[nu] iunme[nu] me[nu] nme[nu] nnoreme[nu] noreme[nu] 
nunme[nu] ome[nu] onoreme[nu] ounme[nu] sme[nu] snoreme[nu] sunme[nu] tlm[enu] 
tln[oremenu] tlu[nmenu] tm[enu] tu[nmenu] unme[nu] vme[nu] vnoreme[nu] 
vunme[nu] xme[nu] xnoreme[nu] xunme[nu] skipwhite 
nextgroup=vimMenuBang,vimMenuMod,vimMenuName,vimMenuPriority,vimMenuStatus
 syn keyword vimMenu popu[p] skipwhite nextgroup=vimMenuBang,vimMenuName
-syn region     vimMenuRhs       contained contains=@vimContinue,vimNotation 
start="|\@!\S"            skip=+\\\|\|\|
\s*\\|
\s*"\ + end="$" matchgroup=vimSep end="|"
-syn region     vimMenuRhsContinue contained contains=@vimContinue,vimNotation 
start=+^\s*\%(\\|"\ \)+ skip=+\\\|\|\|
\s*\\|
\s*"\ + end="$" matchgroup=vimSep end="|"
+syn region     vimMenuRhs       contained contains=@vimContinue,vimNotation 
start="|\@!\S"            skip=+\\\|\|\|
\s*\%(\\|"\ \)+ end="$" matchgroup=vimSep end="|"
+syn region     vimMenuRhsContinue contained contains=@vimContinue,vimNotation 
start=+^\s*\%(\\|"\ \)+ skip=+\\\|\|\|
\s*\%(\\|"\ \)+ end="$" matchgroup=vimSep end="|"
 syn match      vimMenuName     "\.\@!\%(\\s\|\S\)\+"        contained 
contains=vimMenuNotation,vimNotation skipwhite        
nextgroup=vimCmdSep,vimMenuRhs
 syn match      vimMenuName     "\.\@!\%(\\s\|\S\)\+\ze\s*$" contained 
contains=vimMenuNotation,vimNotation skipwhite skipnl 
nextgroup=vimCmdSep,vimMenuRhsContinue
 syn match      vimMenuNotation "& \|&&\|\\s\|\\." contained
@@ -1511,7 +1511,7 @@ syn match vimMenuBang     " \@1<=!" contained skipwhite 
nextgroup=vimMenuName,vimMe
 
 syn region     vimMenutranslate
       \ matchgroup=vimCommand start="\<menut\%[ranslate]\>"
-      \ skip=+\\\|\|\|
\s*\\|
\s*"\ +
+      \ skip=+\\\|\|\|
\s*\%(\\|"\ \)+
       \ end="$" matchgroup=vimCmdSep end="|" matchgroup=vimMenuClear 
end="\<clear\ze\s*\%(["#|]\|$\)"
       \ contains=@vimContinue,vimMenutranslateName keepend transparent
 " oneline is sufficient to match the current formatting in runtime/lang/*.vim
@@ -1596,7 +1596,7 @@ syn region        vimMatchPattern contained
 " Normal: {{{2
 " ======
 syn match      vimNormal               "\<norm\%[al]\>!\=" skipwhite 
nextgroup=vimNormalArg contains=vimBang
-syn region     vimNormalArg    contained       start="\S" skip=+
\s*\\|
\s*["#]\ + end="$" contains=@vimContinue
+syn region     vimNormalArg    contained       start="\S" skip=+
\s*\%(\\|["#]\ \)+ end="$" contains=@vimContinue
 
 " Profile: {{{2
 " =======
@@ -1729,7 +1729,7 @@ Vim9 syn match    vimWincmd       
"\s\=\<winc\%[md]\>\ze\s\+=\s*\%([#|]\|$\)"     skipwhite n
 " Syntax: {{{2
 "=======
 syn match      vimGroupList    contained       
"[^[:space:],]\+\%(\s*,\s*[^[:space:],]\+\)*" contains=vimGroupSpecial
-syn region     vimGroupList    contained       start=/^\s*["#]\ 
\|^\s*\\|[^[:space:],]\+\s*,/ skip=/\s*
\s*\\|\s*
\s*["#]\ \|^\s*\\|^\s*["#]\ / end=/[^[:space:],]\s*$\|[^[:space:],]\ze\s\+\w/ 
contains=@vimContinue,vimGroupSpecial
+syn region     vimGroupList    contained       start=/^\s*["#]\ 
\|^\s*\\|[^[:space:],]\+\s*,/ skip=/\s*
\s*\%(\\|["#]\ \)\|^\s*\%(\\|["#]\ \)/ 
end=/[^[:space:],]\s*$\|[^[:space:],]\ze\s\+\w/ 
contains=@vimContinue,vimGroupSpecial
 syn keyword    vimGroupSpecial contained       ALL     ALLBUT  CONTAINED       
TOP
 
 if !exists("g:vimsyn_noerror") && !exists("g:vimsyn_novimsynerror")
@@ -1760,7 +1760,7 @@ syn keyword       vimSynType      contained       clear   
skipwhite nextgroup=vimGroupList
 
 " Syntax: cluster {{{2
 syn keyword    vimSynType      contained       cluster skipwhite 
nextgroup=vimClusterName
-syn region     vimClusterName  contained keepend       matchgroup=vimGroupName 
start="\h\w*\>" skip=+\\\|\\|
\s*\\|
\s*"\ + matchgroup=vimCmdSep end="$\||" 
contains=@vimContinue,vimGroupAdd,vimGroupRem,vimSynContains,vimSynError
+syn region     vimClusterName  contained keepend       matchgroup=vimGroupName 
start="\h\w*\>" skip=+\\\|\\|
\s*\%(\\|"\ \)+ matchgroup=vimCmdSep end="$\||" 
contains=@vimContinue,vimGroupAdd,vimGroupRem,vimSynContains,vimSynError
 syn match      vimGroupAdd     contained keepend       "\<add="        
skipwhite skipnl nextgroup=vimGroupList
 syn match      vimGroupRem     contained keepend       "\<remove="     
skipwhite skipnl nextgroup=vimGroupList
 
@@ -1790,13 +1790,13 @@ syn keyword     vimSynType      contained       include 
skipwhite nextgroup=vimGroupList
 " Syntax: keyword {{{2
 syn cluster    vimSynKeyGroup  
contains=@vimContinue,vimSynCchar,vimSynNextgroup,vimSynKeyOpt,vimSynKeyContainedin
 syn keyword    vimSynType      contained       keyword skipwhite 
nextgroup=vimSynKeyRegion
-syn region     vimSynKeyRegion contained         keepend       
matchgroup=vimGroupName start="\h\w*\>" skip=+\\\|\|\|
\s*\\|
\s*"\ + matchgroup=vimCmdSep end="|\|$" contains=@vimSynKeyGroup
+syn region     vimSynKeyRegion contained         keepend       
matchgroup=vimGroupName start="\h\w*\>" skip=+\\\|\|\|
\s*\%(\\|"\ \)+ matchgroup=vimCmdSep end="|\|$" contains=@vimSynKeyGroup
 syn match      vimSynKeyOpt    contained       
"\%#=1\<\%(conceal\|contained\|transparent\|skipempty\|skipwhite\|skipnl\)\>"
 
 " Syntax: match {{{2
 syn cluster    vimSynMtchGroup 
contains=@vimContinue,vimSynCchar,vimSynContains,vimSynError,vimSynMtchOpt,vimSynNextgroup,vimSynRegPat,vimNotation,vimMtchComment
 syn keyword    vimSynType      contained       match   skipwhite 
nextgroup=vimSynMatchRegion
-syn region     vimSynMatchRegion       contained keepend       
matchgroup=vimGroupName start="\h\w*\>" skip=+\\\|\|\|
\s*\\|
\s*"\ + matchgroup=vimCmdSep end="|\|$" contains=@vimSynMtchGroup
+syn region     vimSynMatchRegion       contained keepend       
matchgroup=vimGroupName start="\h\w*\>" skip=+\\\|\|\|
\s*\%(\\|"\ \)+ matchgroup=vimCmdSep end="|\|$" contains=@vimSynMtchGroup
 syn match      vimSynMtchOpt   contained       
"\%#=1\<\%(conceal\|transparent\|contained\|excludenl\|keepend\|skipempty\|skipwhite\|display\|extend\|skipnl\|fold\)\>"
 
 " Syntax: off and on {{{2
@@ -1806,11 +1806,11 @@ syn keyword     vimSynType      contained       enable  
list    manual  off     on      reset
 syn cluster    vimSynRegPatGroup       
contains=@vimContinue,vimPatSep,vimNotPatSep,vimSynPatRange,vimSynNotPatRange,vimSubstSubstr,vimPatRegion,vimPatSepErr,vimNotation
 syn cluster    vimSynRegGroup  
contains=@vimContinue,vimSynCchar,vimSynContains,vimSynNextgroup,vimSynRegOpt,vimSynReg,vimSynMtchGrp
 syn keyword    vimSynType      contained       region  skipwhite 
nextgroup=vimSynRegion
-syn region     vimSynRegion    contained keepend       matchgroup=vimGroupName 
start="\h\w*" skip=+\\\|\\|
\s*\\|
\s*"\ + matchgroup=vimCmdSep end="|\|$" contains=@vimSynRegGroup
+syn region     vimSynRegion    contained keepend       matchgroup=vimGroupName 
start="\h\w*" skip=+\\\|\\|
\s*\%(\\|"\ \)+ matchgroup=vimCmdSep end="|\|$" contains=@vimSynRegGroup
 syn match      vimSynRegOpt    contained       
"\%#=1\<\%(conceal\%(ends\)\=\|transparent\|contained\|excludenl\|skipempty\|skipwhite\|display\|keepend\|oneline\|extend\|skipnl\|fold\)\>"
 syn match      vimSynReg       contained       "\<\%(start\|skip\|end\)="      
nextgroup=vimSynRegPat
 syn match      vimSynMtchGrp   contained       "matchgroup="   
nextgroup=vimGroup,vimHLGroup
-syn region     vimSynRegPat    contained extend        
start="\z([-`~!@#$%^&*_=+;:'",./?]\)"  skip=/\\\|\\z1\|
\s*\\|
\s*"\ /  end="\z1"  contains=@vimSynRegPatGroup skipwhite 
nextgroup=vimSynPatMod,vimSynReg
+syn region     vimSynRegPat    contained extend        
start="\z([-`~!@#$%^&*_=+;:'",./?]\)"  skip=/\\\|\\z1\|
\s*\%(\\|"\ \)/  end="\z1"  contains=@vimSynRegPatGroup skipwhite 
nextgroup=vimSynPatMod,vimSynReg
 syn match      vimSynPatMod    contained       
"\%#=1\%(hs\|ms\|me\|hs\|he\|rs\|re\)=[se]\%([-+]\d\+\)\="
 syn match      vimSynPatMod    contained       
"\%#=1\%(hs\|ms\|me\|hs\|he\|rs\|re\)=[se]\%([-+]\d\+\)\=," 
nextgroup=vimSynPatMod
 syn match      vimSynPatMod    contained       "lc=\d\+"
@@ -1833,7 +1833,7 @@ if !exists("g:vimsyn_noerror") && 
!exists("g:vimsyn_novimsyncerror")
  syn match     vimSyncError    contained       "\i\+"
 endif
 
-syn region     vimSyncArgs     contained       start="\S" skip=+\\\|\|\|
\s*\\|
\s*"\ + matchgroup=vimCmdSep end="|\|$" 
contains=vimSyncLines,vimSyncLinebreak,vimSyncLinecont,vimSyncFromstart,vimSyncCcomment
+syn region     vimSyncArgs     contained       start="\S" skip=+\\\|\|\|
\s*\%(\\|"\ \)+ matchgroup=vimCmdSep end="|\|$" 
contains=vimSyncLines,vimSyncLinebreak,vimSyncLinecont,vimSyncFromstart,vimSyncCcomment
 
 syn keyword    vimSyncCcomment contained       ccomment        skipwhite       
nextgroup=vimGroupName
 syn keyword    vimSyncClear    contained       clear   skipwhite       
nextgroup=vimSyncGroupName
@@ -1884,7 +1884,7 @@ syn match vimHiGuiRgb     contained       "#\x\{6}"
 
 " Highlighting: hi group key=arg ... {{{2
 syn cluster    vimHiCluster 
contains=vimGroup,vimHLGroup,vimHiGroup,vimHiNone,vimHiTerm,vimHiCTerm,vimHiStartStop,vimHiCtermFgBg,vimHiCtermul,vimHiCtermfont,vimHiGui,vimHiGuiFont,vimHiGuiFgBg,vimHiKeyError,vimNotation,vimComment,vim9comment
-syn region     vimHiKeyList    contained       start="\i\+" skip=+\\\|\|\|
\s*\\|
\s*"\ + matchgroup=vimCmdSep end="|" excludenl end="$" 
contains=@vimContinue,@vimHiCluster
+syn region     vimHiKeyList    contained       start="\i\+" skip=+\\\|\|\|
\s*\%(\\|"\ \)+ matchgroup=vimCmdSep end="|" excludenl end="$" 
contains=@vimContinue,@vimHiCluster
 if !exists("g:vimsyn_noerror") && !exists("g:vimsyn_vimhikeyerror")
  syn match     vimHiKeyError   contained       "\i\+="he=e-1
 endif
@@ -1907,7 +1907,7 @@ syn keyword       vimHiClear      contained       clear   
skipwhite nextgroup=vimGroup,vimHLGroup,v
 " see tst24 (hi def vs hi) (Jul 06, 2018)
 "syn region    vimHiLink       contained oneline matchgroup=vimCommand 
start="\(\<hi\%[ghlight]\s\+\)\@<=\(\(def\%[ault]\s\+\)\=link\>\|\<def\>\)" 
end="$"     contains=vimHiGroup,vimGroup,vimHLGroup,vimNotation
 " TODO: simplify and allow line continuations --djk
-syn region     vimHiLink       contained matchgroup=Type 
start="\%(\<hi\%[ghlight]!\=\s\+\)\@<=\%(\%(def\%[ault]\s\+\)\=link\>\|\<def\%[ault]\>\)"
 skip=+\\\|\|\|
\s*\\|
\s*"\ + matchgroup=vimCmdSep end="|" excludenl end="$" 
contains=@vimContinue,@vimHiCluster
+syn region     vimHiLink       contained matchgroup=Type 
start="\%(\<hi\%[ghlight]!\=\s\+\)\@<=\%(\%(def\%[ault]\s\+\)\=link\>\|\<def\%[ault]\>\)"
 skip=+\\\|\|\|
\s*\%(\\|"\ \)+ matchgroup=vimCmdSep end="|" excludenl end="$" 
contains=@vimContinue,@vimHiCluster
 
 " Control Characters: {{{2
 " ==================
@@ -2276,8 +2276,8 @@ syn region        vim9TypeArgs    contained
 
 " Beginners - Patterns that involve ^ {{{2
 " =========
-Vim9 syn region        vim9LineComment start=+^[       :]*\zs#.*$+ skip=+
\s*\\|
\s*#\ + end="$" contains=@vimCommentGroup,vimCommentString,vim9CommentTitle 
extend
-VimL syn region        vimLineComment  start=+^[       :]*\zs".*$+ skip=+
\s*\\|
\s*"\ + end="$" contains=@vimCommentGroup,vimCommentString,vimCommentTitle 
extend
+Vim9 syn region        vim9LineComment start=+^[       :]*\zs#.*$+ skip=+
\s*\%(\\|#\ \)+ end="$" 
contains=@vimCommentGroup,vimCommentString,vim9CommentTitle extend
+VimL syn region        vimLineComment  start=+^[       :]*\zs".*$+ skip=+
\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

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