runtime(vim): Update base-syntax, improve :set backslash handling
Commit:
https://github.com/vim/vim/commit/2a6be835122d906c6ec10682c2a771b25c87c611
Author: Doug Kearns <dougkea...@gmail.com>
Date: Thu Apr 3 21:39:24 2025 +0200
runtime(vim): Update base-syntax, improve :set backslash handling
Improve backslash handling in :set option values. There is no special
handling for options supporting Windows path separators yet.
See :help option-backslash.
Remove the vimSetString syntax group. Option string values cannot be
specified with a quoted string, this is a command terminating tail
comment.
fixes: #16913
closes: #17034
Signed-off-by: Doug Kearns <dougkea...@gmail.com>
Signed-off-by: Christian Brabandt <c...@256bit.org>
diff --git a/runtime/syntax/generator/vim.vim.base
b/runtime/syntax/generator/vim.vim.base
index 78abaf5a9..aa868e9f0 100644
--- 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 <dougkea...@gmail.com>
-" Last Change: 2025 Mar 29
+" Last Change: 2025 Apr 03
" Former Maintainer: Charles E. Campbell
" DO NOT CHANGE DIRECTLY.
@@ -771,12 +771,31 @@ syn match vimCmplxRepeat
'@[0-9a-z".=@:]\ze\($\|[^a-zA-Z]\>\)'
" Set command and associated set-options (vimOptions) with comment {{{2
syn match vimSet "\<\%(setl\%[ocal]\|setg\%[lobal]\|se\%[t]\)\>"
skipwhite nextgroup=vimSetBang,vimSetArgs
-syn region vimSetArgs contained start="\S" skip=+\|\|
\s*\\|
\s*["#]\ + matchgroup=vimCmdSep end="|" end="$" matchgroup=vimNotation
end="<[cC][rR]>" keepend
contains=@vimComment,@vimContinue,vimErrSetting,vimOption,vimSetAll,vimSetTermcap
-syn region vimSetEqual contained matchgroup=vimOper
start="[=:]\|[-+^]=" skip=+\|\|\\s\|
\s*\\|
\s*["#]\ \|^\s*\\|^\s*["#]\ + matchgroup=vimCmdSep end="|" end="\ze\s" end="$"
contains=@vimContinue,vimCtrlChar,vimEnvvar,vimNotation,vimSetSep
+syn region vimSetComment contained start=+"+ skip=+
\s*\%(\\||"\ \)+ end="$" contains=@vimCommentGroup,vimCommentString extend
+syn match vimSetCmdSep contained "|" skipwhite
nextgroup=@vimCmdList,vimSubst1,vimFunc
+syn match vimSetEscape contained "\\%(\[|"]\|.\)"
+syn match vimSetBarEscape contained "\|"
+syn match vimSetQuoteEscape contained +\"+
+syn region vimSetArgs contained
+ \ start="\S"
+ \ skip=+
\s*\%(\\|["#]\ \)\|^\s*"\ +
+ \ end=+\ze\\@1<![|"]+
+ "\ assume this isn't an escaped char with backslash on the previous line
+ \ end=+^\s*\\ze[|"]+
+ \ end="\ze\s#"
+ \ end="$"
+ \ nextgroup=vimSetCmdSep,vimSetComment,vim9Comment
+ \ contains=@vimContinue,vimErrSetting,vimOption,vimSetAll,vimSetTermcap
+ \ keepend
+syn region vimSetEqual contained
+ \ matchgroup=vimOper
+ \ start="[=:]\|[-+^]="
+ \ skip=+\\s\|^\s*\%(\\|["#]\ \)+
+ \ end="\ze\s"
+ \
contains=@vimContinue,vimCtrlChar,vimEnvvar,vimNotation,vimSetSep,vimSetEscape,vimSetBarEscape,vimSetQuoteEscape
syn match vimSetBang contained " \@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 " \@1<=\%(&vim\=\|[!&?<]\)"
@@ -1624,9 +1643,9 @@ if !exists("skip_vim_syntax_inits")
hi def link vimSet vimCommand
hi def link vimSetAll vimOption
hi def link vimSetBang vimBang
+ hi def link vimSetComment vimComment
hi def link vimSetMod vimOption
hi def link vimSetSep vimSep
- hi def link vimSetString vimString
hi def link vimSetTermcap vimOption
hi def link vimShebang PreProc
hi def link vimSleep vimCommand
diff --git a/runtime/syntax/testdir/dumps/vim_ex_set_01.dump
b/runtime/syntax/testdir/dumps/vim_ex_set_01.dump
index 6c1421ae2..90c52e1e5 100644
--- a/runtime/syntax/testdir/dumps/vim_ex_set_01.dump
+++ b/runtime/syntax/testdir/dumps/vim_ex_set_01.dump
@@ -17,4 +17,4 @@
|s+0#af5f00255&|e|t|
+0#0000000&|a+0#e000e06&|l|e|p|h|++0#af5f00255&|=|9+0#0000000&|6| @61
|s+0#af5f00255&|e|t|
+0#0000000&|a+0#e000e06&|l|e|p|h|^+0#af5f00255&|=|2+0#0000000&| @62
|s+0#af5f00255&|e|t|
+0#0000000&|a+0#e000e06&|l|e|p|h|-+0#af5f00255&|=|9+0#0000000&|6| @61
-@57|1|9|,|1| @9|1|3|%|
+@57|1|9|,|1| @9|1|2|%|
diff --git a/runtime/syntax/testdir/dumps/vim_ex_set_02.dump
b/runtime/syntax/testdir/dumps/vim_ex_set_02.dump
index 0765de0c8..e8ef891d1 100644
--- a/runtime/syntax/testdir/dumps/vim_ex_set_02.dump
+++ b/runtime/syntax/testdir/dumps/vim_ex_set_02.dump
@@ -17,4 +17,4 @@
|"+0#0000e05&| |:|h|e|l|p| |o|p|t|i|o|n|-|b|a|c|k|s|l|a|s|h| +0#0000000&@50
@75
|"+0#0000e05&| |W|h|e|n| |s|e|t@1|i|n|g| |o|p|t|i|o|n|s| |u|s|i|n|g|
|||:|l|e|t||| |a|n|d| |||l|i|t|e|r|a|l|-|s|t|r|i|n|g|||,| |y|o|u| |n|e@1|d|
|t|o| |u|s|@+0#4040ff13&@2
-| +0#0000000&@56|3|7|,|0|-|1| @7|3|2|%|
+| +0#0000000&@56|3|7|,|0|-|1| @7|2|9|%|
diff --git a/runtime/syntax/testdir/dumps/vim_ex_set_03.dump
b/runtime/syntax/testdir/dumps/vim_ex_set_03.dump
index 5d2285ff4..cad9c9d54 100644
--- a/runtime/syntax/testdir/dumps/vim_ex_set_03.dump
+++ b/runtime/syntax/testdir/dumps/vim_ex_set_03.dump
@@ -17,4 +17,4 @@
|"+0#0000e05&| |T|h|i|s| |e|x|a|m|p|l|e| |s|e|t|s| |t|h|e|
|'|t|i|t|l|e|s|t|r|i|n|g|'| |o|p|t|i|o|n| |t|o|
|"+0#e000002&|h|i|||t|h|e|r|e|"|:+0#0000e05&| +0#0000000&@15
|s+0#af5f00255&|e|t|
+0#0000000&|t+0#e000e06&|i|t|l|e|s|t|r|i|n|g|=+0#af5f00255&|h+0#0000000&|i|\|||t|h|e|r|e|
@49
|"+0#0000e05&| |T|h|i|s| |s|e|t|s| |t|h|e| |'|t|i|t|l|e|s|t|r|i|n|g|'|
|o|p|t|i|o|n| |t|o| |"+0#e000002&|h|i|"| +0#0000e05&|a|n|d|
|'|i|c|o|n|s|t|r|i|n|g|'| |t|o| |"+0#e000002&|t|h|e|r|e|"|:+0#0000e05&|
+0#0000000&@1
-@57|5|4|,|1| @9|5|1|%|
+@57|5|4|,|1| @9|4|6|%|
diff --git a/runtime/syntax/testdir/dumps/vim_ex_set_04.dump
b/runtime/syntax/testdir/dumps/vim_ex_set_04.dump
index e2b6b9d26..101a1e0ca 100644
--- a/runtime/syntax/testdir/dumps/vim_ex_set_04.dump
+++ b/runtime/syntax/testdir/dumps/vim_ex_set_04.dump
@@ -17,4 +17,4 @@
|s+0#af5f00255&|e|t|
+0#0000000&|p+0#e000e06&|a|t|h|=+0#af5f00255&|a+0#0000000&|b|c|,+0#e000e06&|d+0#0000000&|e|f|,+0#e000e06&|g+0#0000000&|h|i|
@54
@6|"+0#0000e05&|\| |d|e|f| |i|s| |t|h|e| |'|d|e|f|i|n|e|'| |o|p|t|i|o|n|
+0#0000000&@39
@6|\+0#e000e06&|
+0#0000000&|d+0#e000e06&|e|f|=+0#af5f00255&|a+0#0000000&|b|c|,+0#e000e06&|d+0#0000000&|e|f|,+0#e000e06&|g+0#0000000&|h|i|
@51
-@57|7|2|,|1| @9|7|0|%|
+@57|7|2|,|1| @9|6|2|%|
diff --git a/runtime/syntax/testdir/dumps/vim_ex_set_05.dump
b/runtime/syntax/testdir/dumps/vim_ex_set_05.dump
index fcc8be4d6..0992fe4eb 100644
--- a/runtime/syntax/testdir/dumps/vim_ex_set_05.dump
+++ b/runtime/syntax/testdir/dumps/vim_ex_set_05.dump
@@ -9,7 +9,7 @@
@6|\+0#e000e06&|a+0#0000000&|b|c|,+0#e000e06&|d+0#0000000&|e|f| @60
@75
@75
-|"+0#0000e05&| |C|o|m|p|i|l|e|r|S|e|t| +0#0000000&@61
+|"+0#0000e05&| |:|C|o|m|p|i|l|e|r|S|e|t| +0#0000000&@60
@75
|C+0#af5f00255&|o|m|p|i|l|e|r|S|e|t|
+0#0000000&|m+0#e000e06&|a|k|e|p|r|g|=+0#af5f00255&|a+0#0000000&|n|t| @51
|C+0#af5f00255&|o|m|p|i|l|e|r|S|e|t|
+0#0000000&|e+0#e000e06&|r@1|o|r|f|o|r|m|a|t|=+0#af5f00255&|\+0#0000000&|
|%|#|[|%|.|%|#|]|\|
|%|#|%|f|:+0#e000e06&|%+0#0000000&|l|:+0#e000e06&|%+0#0000000&|v|:+0#e000e06&|%+0#0000000&|*|\@1|d|:+0#e000e06&|%+0#0000000&|*|\@1|d|:+0#e000e06&|\+0#0000000&|
|%|t|%|[|%|^|:+0#e000e06&|]+0#0000000&|%|#|:+0#e000e06&|%+0#0000000&|m|,+0#e000e06&
@@ -17,4 +17,4 @@
@75
@75
|"+0#0000e05&| |U|n|r|e|p|o|r|t|e|d| |i|s@1|u|e| |(|d|o|u|b|l|e|
|b|a|c|k|s|l|a|s|h|)| +0#0000000&@37
-@57|9|0|,|0|-|1| @7|8|9|%|
+@57|9|0|,|0|-|1| @7|8|0|%|
diff --git a/runtime/syntax/testdir/dumps/vim_ex_set_06.dump
b/runtime/syntax/testdir/dumps/vim_ex_set_06.dump
index 8807faff9..3179e76d9 100644
--- a/runtime/syntax/testdir/dumps/vim_ex_set_06.dump
+++ b/runtime/syntax/testdir/dumps/vim_ex_set_06.dump
@@ -9,12 +9,12 @@
|s+0#af5f00255&|e|t|
+0#0000000&|q+0#e000e06&|u|o|t|e@1|s|c|a|p|e|=+0#af5f00255&|\+0#0000000&| @57
|e+0#af5f00255&|c|h|o| +0#0000000&|"+0#e000002&|F|o@1|"| +0#0000000&@64
@75
-|~+0#4040ff13&| @73
-|~| @73
-|~| @73
-|~| @73
-|~| @73
-|~| @73
-|~| @73
-|~| @73
-| +0#0000000&@56|1|0|8|,|1| @8|B|o|t|
+@75
+|"+0#0000e05&| |I|s@1|u|e| |#|1|6|9|1|3| |(|v|i|m| |s|y|n|t|a|x|:| |s|e|t|
|l|a|n|g|m|a|p| |m|a|y| |h|a|v|e| |w|r|o|n|g| |h|i|g|h|l|i|g|h|t|)|
+0#0000000&@9
+@75
+|s+0#af5f00255&|e|t|
+0#0000000&|l+0#e000e06&|a|n|g|m|a|p|++0#af5f00255&|=|Ф+0#0000000&|Ы|В|А|П|Р|О|Л|Д|Ж|Э|Ё|;|A|S|D|F|G|H|J|K|L|\@1|:+0#e000e06&|\+0#0000000&@1|"|\@1|||
@30
+|s+0#af5f00255&|e|t|
+0#0000000&|l+0#e000e06&|a|n|g|m|a|p|++0#af5f00255&|=|Я+0#0000000&|Ч|С|М|И|Т|Ь|Б|Ю|;|Z|X|C|V|B|N|M|<+0#e000e06&|>|
+0#0000000&@42
+@75
+|s+0#af5f00255&|e|t|
+0#0000000&|l+0#e000e06&|a|n|g|m|a|p|++0#af5f00255&|=|Ф+0#0000000&|Ы|В|А|П|Р|О|Л|Д|Ж|Э|Ё|;|A|S|D|F|G|H|J|K|L|\@1|:+0#e000e06&|\+0#0000000&@1|"|\@1|||
@30
+@6|\+0#e000e06&|
+0#0000000&|l+0#e000e06&|a|n|g|m|a|p|++0#af5f00255&|=|Я+0#0000000&|Ч|С|М|И|Т|Ь|Б|Ю|;|Z|X|C|V|B|N|M|<+0#e000e06&|>|
+0#0000000&@38
+@57|1|0|8|,|1| @8|9|7|%|
diff --git a/runtime/syntax/testdir/dumps/vim_ex_set_07.dump
b/runtime/syntax/testdir/dumps/vim_ex_set_07.dump
new file mode 100644
index 000000000..ef2b99c9c
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/vim_ex_set_07.dump
@@ -0,0 +1,20 @@
+| +0&#ffffff0@5|\+0#e000e06&|
+0#0000000&|l+0#e000e06&|a|n|g|m|a|p|++0#af5f00255&|=|Я+0#0000000&|Ч|С|М|И|Т|Ь|Б|Ю|;|Z|X|C|V|B|N|M|<+0#e000e06&|>|
+0#0000000&@38
+@75
+|s+0#af5f00255&|e|t|
+0#0000000&|l+0#e000e06&|a|n|g|m|a|p|++0#af5f00255&|=|Ф+0#0000000&|Ы|В|А|П|Р|О|Л|Д|Ж|Э|Ё|;|A|S|D|F|G|H|J|K|L|\@1|:+0#e000e06&|\+0#0000000&@1|"|\@1|||
|l+0#e000e06&|a|n|g|m|a|p|++0#af5f00255&|=|Я+0#0000000&|Ч|С|М|И|Т|Ь|Б|Ю|;|Z|X|C|V|B|N|M|<+0#e000e06&|>|
+0#0000000&@1
+> @74
+|~+0#4040ff13&| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+| +0#0000000&@56|1|2|4|,|0|-|1| @6|B|o|t|
diff --git a/runtime/syntax/testdir/dumps/vim_ex_set_backslash_00.dump
b/runtime/syntax/testdir/dumps/vim_ex_set_backslash_00.dump
new file mode 100644
index 000000000..9b7370db8
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/vim_ex_set_backslash_00.dump
@@ -0,0 +1,20 @@
+>"+0#0000e05#ffffff0| |V|i|m| |:|s|e|t| |c|o|m@1|a|n|d| |(|e|s|c|a|p|e|d|
|c|h|a|r|a|c|t|e|r|s|)| +0#0000000&@35
+|"+0#0000e05&| |V|I|M|_|T|E|S|T|_|S|E|T|U|P| |h|i| |l|i|n|k|
|v|i|m|S|e|t|E|s|c|a|p|e| @5|D|i|f@1|A|d@1| +0#0000000&@24
+|"+0#0000e05&| |V|I|M|_|T|E|S|T|_|S|E|T|U|P| |h|i| |l|i|n|k|
|v|i|m|S|e|t|B|a|r|E|s|c|a|p|e| @2|D|i|f@1|D|e|l|e|t|e| +0#0000000&@21
+|"+0#0000e05&| |V|I|M|_|T|E|S|T|_|S|E|T|U|P| |h|i| |l|i|n|k|
|v|i|m|S|e|t|Q|u|o|t|e|E|s|c|a|p|e| |D|i|f@1|D|e|l|e|t|e| +0#0000000&@21
+|"+0#0000e05&| |V|I|M|_|T|E|S|T|_|S|E|T|U|P| |h|i| |l|i|n|k|
|v|i|m|S|e|t|E|q|u|a|l| @6|D|i|f@1|C|h|a|n|g|e| +0#0000000&@21
+@75
+@75
+|e+0#af5f00255&|c|h|o| +0#0000000&|"+0#e000002&|-@1| |1| |-@1|"| +0#0000000&@60
+|s+0#af5f00255&|e|t|
+0#0000000&|t+0#e000e06&|i|t|l|e|s|t|r|i|n|g|=+0#af5f00255&|\+0#0000000#5fd7ff255|a|f+0&#ffd7ff255|o@1|\+0fd7ff255|a|b+0&#ffd7ff255|a|r|\+0fd7ff255|a|
+0&#ffffff0|"+0#0000e05&| |c|o|m@1|e|n|t| +0#0000000&@36
+|e+0#af5f00255&|c|h|o| +0#0000000&|&+0#00e0e07&|t|i|t|l|e|s|t|r|i|n|g|
+0#0000000&@57
+|s+0#af5f00255&|e|t|
+0#0000000&|t+0#e000e06&|i|t|l|e|s|t|r|i|n|g|=+0#af5f00255&|\+0#0000000#5fd7ff255|a|f+0&#ffd7ff255|o@1|\+0fd7ff255|a|b+0&#ffd7ff255|a|r|\+0fd7ff255|a|
+0&#ffffff0@46
+|e+0#af5f00255&|c|h|o| +0#0000000&|&+0#00e0e07&|t|i|t|l|e|s|t|r|i|n|g|
+0#0000000&@57
+|s+0#af5f00255&|e|t|
+0#0000000&|t+0#e000e06&|i|t|l|e|s|t|r|i|n|g|=+0#af5f00255&|\+0#0000000#5fd7ff255|
|f+0&#ffd7ff255|o@1|\+0fd7ff255| |b+0&#ffd7ff255|a|r|\+0fd7ff255| |
+0&#ffffff0|"+0#0000e05&| |c|o|m@1|e|n|t| +0#0000000&@36
+|e+0#af5f00255&|c|h|o| +0#0000000&|&+0#00e0e07&|t|i|t|l|e|s|t|r|i|n|g|
+0#0000000&@57
+|s+0#af5f00255&|e|t|
+0#0000000&|t+0#e000e06&|i|t|l|e|s|t|r|i|n|g|=+0#af5f00255&|\+0#0000000#5fd7ff255|
|f+0&#ffd7ff255|o@1|\+0fd7ff255| |b+0&#ffd7ff255|a|r|\+0fd7ff255| |
+0&#ffffff0@46
+|e+0#af5f00255&|c|h|o| +0#0000000&|&+0#00e0e07&|t|i|t|l|e|s|t|r|i|n|g|
+0#0000000&@57
+|s+0#af5f00255&|e|t|
+0#0000000&|t+0#e000e06&|i|t|l|e|s|t|r|i|n|g|=+0#af5f00255&|\+0#4040ff13#afffff255|||f+0#0000000#ffd7ff255|o@1|\+0#4040ff13#afffff255|||b+0#0000000#ffd7ff255|a|r|\+0#4040ff13#afffff255|||
+0#0000000#ffffff0|"+0#0000e05&| |c|o|m@1|e|n|t| +0#0000000&@36
+|e+0#af5f00255&|c|h|o| +0#0000000&|&+0#00e0e07&|t|i|t|l|e|s|t|r|i|n|g|
+0#0000000&@57
+|s+0#af5f00255&|e|t|
+0#0000000&|t+0#e000e06&|i|t|l|e|s|t|r|i|n|g|=+0#af5f00255&|\+0#4040ff13#afffff255|||f+0#0000000#ffd7ff255|o@1|\+0#4040ff13#afffff255|||b+0#0000000#ffd7ff255|a|r|\+0#4040ff13#afffff255|||
+0#0000000#ffffff0@46
+@57|1|,|1| @10|T|o|p|
diff --git a/runtime/syntax/testdir/dumps/vim_ex_set_backslash_01.dump
b/runtime/syntax/testdir/dumps/vim_ex_set_backslash_01.dump
new file mode 100644
index 000000000..c99a3a6f4
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/vim_ex_set_backslash_01.dump
@@ -0,0 +1,20 @@
+|e+0#af5f00255#ffffff0|c|h|o| +0#0000000&|&+0#00e0e07&|t|i|t|l|e|s|t|r|i|n|g|
+0#0000000&@57
+|s+0#af5f00255&|e|t|
+0#0000000&|t+0#e000e06&|i|t|l|e|s|t|r|i|n|g|=+0#af5f00255&|\+0#0000000#5fd7ff255|
|f+0&#ffd7ff255|o@1|\+0fd7ff255| |b+0&#ffd7ff255|a|r|\+0fd7ff255| |
+0&#ffffff0@46
+|e+0#af5f00255&|c|h|o| +0#0000000&|&+0#00e0e07&|t|i|t|l|e|s|t|r|i|n|g|
+0#0000000&@57
+|s+0#af5f00255&|e|t|
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+0&#ffffff0@43
+|e+0#af5f00255&|c|h|o| +0#0000000&|&+0#00e0e07&|t|i|t|l|e|s|t|r|i|n|g|
+0#0000000&@57
+|s+0#af5f00255&|e|t|
+0#0000000&|t+0#e000e06&|i|t|l|e|s|t|r|i|n|g|=+0#af5f00255&|\+0#0000000#5fd7ff255@1|
+0&#ffffff0|f|o@1|\@1| |b|a|r|\@1| @1|"+0#0000e05&| |c|o|m@1|e|n|t|
+0#0000000&@33
+|e+0#af5f00255&|c|h|o| +0#0000000&|&+0#00e0e07&|t|i|t|l|e|s|t|r|i|n|g|
+0#0000000&@57
+@57|1|9|,|1| @9|2|1|%|
diff --git a/runtime/syntax/testdir/dumps/vim_ex_set_backslash_02.dump
b/runtime/syntax/testdir/dumps/vim_ex_set_backslash_02.dump
new file mode 100644
index 000000000..4250195d6
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/vim_ex_set_backslash_02.dump
@@ -0,0 +1,20 @@
+|e+0#af5f00255#ffffff0|c|h|o| +0#0000000&|&+0#00e0e07&|t|i|t|l|e|s|t|r|i|n|g|
+0#0000000&@57
+|s+0#af5f00255&|e|t|
+0#0000000&|t+0#e000e06&|i|t|l|e|s|t|r|i|n|g|=+0#af5f00255&|\+0#0000000#5fd7ff255@1|
+0&#ffffff0|f|o@1|\@1| |b|a|r|\@1| @44
+|e+0#af5f00255&|c|h|o| +0#0000000&|&+0#00e0e07&|t|i|t|l|e|s|t|r|i|n|g|
+0#0000000&@57
+|s+0#af5f00255&|e|t|
+0#0000000&|t+0#e000e06&|i|t|l|e|s|t|r|i|n|g|=+0#af5f00255&|\+0#0000000#5fd7ff255@1|||f+0&#ffd7ff255|o@1|\+0fd7ff255@1|||b+0&#ffd7ff255|a|r|\+0fd7ff255@1|||
+0&#ffffff0|"+0#0000e05&| |c|o|m@1|e|n|t| +0#0000000&@33
+|e+0#af5f00255&|c|h|o| +0#0000000&|&+0#00e0e07&|t|i|t|l|e|s|t|r|i|n|g|
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+0&#ffffff0@43
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+0&#ffffff0|"+0#0000e05&| |c|o|m@1|e|n|t| +0#0000000&@33
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+0&#ffffff0@43
+|e+0#af5f00255&|c|h|o| +0#0000000&|&+0#00e0e07&|t|i|t|l|e|s|t|r|i|n|g|
+0#0000000&@57
+@75
+|e+0#af5f00255&|c|h|o| +0#0000000&|"+0#e000002&|-@1| |3| |-@1|"| +0#0000000&@60
+|s+0#af5f00255&|e|t|
+0#0000000&|t+0#e000e06&|i|t|l|e|s|t|r|i|n|g|=+0#af5f00255&|\+0#0000000#5fd7ff255@2|a|f+0&#ffd7ff255|o@1|\+0fd7ff255@2|a|b+0&#ffd7ff255|a|r|\+0fd7ff255@2|a|
+0&#ffffff0|"+0#0000e05&| |c|o|m@1|e|n|t| +0#0000000&@30
+|e+0#af5f00255&|c|h|o| +0#0000000&|&+0#00e0e07&|t|i|t|l|e|s|t|r|i|n|g|
+0#0000000&@57
+|s+0#af5f00255&|e|t|
+0#0000000&|t+0#e000e06&|i|t|l|e|s|t|r|i|n|g|=+0#af5f00255&|\+0#0000000#5fd7ff255@2|a|f+0&#ffd7ff255|o@1|\+0fd7ff255@2|a|b+0&#ffd7ff255|a|r|\+0fd7ff255@2|a|
+0&#ffffff0@40
+|e+0#af5f00255&|c|h|o| +0#0000000&|&+0#00e0e07&|t|i|t|l|e|s|t|r|i|n|g|
+0#0000000&@57
+|s+0#af5f00255&|e|t|
+0#0000000&|t+0#e000e06&|i|t|l|e|s|t|r|i|n|g|=+0#af5f00255&|\+0#0000000#5fd7ff255@2|
|f+0&#ffd7ff255|o@1|\+0fd7ff255@2| |b+0&#ffd7ff255|a|r|\+0fd7ff255@2| |
+0&#ffffff0|"+0#0000e05&| |c|o|m@1|e|n|t| +0#0000000&@30
+|e+0#af5f00255&|c|h|o| +0#0000000&|&+0#00e0e07&|t|i|t|l|e|s|t|r|i|n|g|
+0#0000000&@57
+@57|3|7|,|1| @9|5|1|%|
diff --git a/runtime/syntax/testdir/dumps/vim_ex_set_backslash_03.dump
b/runtime/syntax/testdir/dumps/vim_ex_set_backslash_03.dump
new file mode 100644
index 000000000..f0f1662db
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/vim_ex_set_backslash_03.dump
@@ -0,0 +1,20 @@
+|e+0#af5f00255#ffffff0|c|h|o| +0#0000000&|&+0#00e0e07&|t|i|t|l|e|s|t|r|i|n|g|
+0#0000000&@57
+|s+0#af5f00255&|e|t|
+0#0000000&|t+0#e000e06&|i|t|l|e|s|t|r|i|n|g|=+0#af5f00255&|\+0#0000000#5fd7ff255@2|
|f+0&#ffd7ff255|o@1|\+0fd7ff255@2| |b+0&#ffd7ff255|a|r|\+0fd7ff255@2| |
+0&#ffffff0@40
+|e+0#af5f00255&|c|h|o| +0#0000000&|&+0#00e0e07&|t|i|t|l|e|s|t|r|i|n|g|
+0#0000000&@57
+|s+0#af5f00255&|e|t|
+0#0000000&|t+0#e000e06&|i|t|l|e|s|t|r|i|n|g|=+0#af5f00255&|\+0#0000000#5fd7ff255@1|\+0#4040ff13#afffff255|||f+0#0000000#ffd7ff255|o@1|\+0fd7ff255@1|\+0#4040ff13#afffff255|||b+0#0000000#ffd7ff255|a|r|\+0fd7ff255@1|\+0#4040ff13#afffff255|||
+0#0000000#ffffff0|"+0#0000e05&| |c|o|m@1|e|n|t| +0#0000000&@30
+|e+0#af5f00255&|c|h|o| +0#0000000&|&+0#00e0e07&|t|i|t|l|e|s|t|r|i|n|g|
+0#0000000&@57
+>s+0#af5f00255&|e|t|
+0#0000000&|t+0#e000e06&|i|t|l|e|s|t|r|i|n|g|=+0#af5f00255&|\+0#0000000#5fd7ff255@1|\+0#4040ff13#afffff255|||f+0#0000000#ffd7ff255|o@1|\+0fd7ff255@1|\+0#4040ff13#afffff255|||b+0#0000000#ffd7ff255|a|r|\+0fd7ff255@1|\+0#4040ff13#afffff255|||
+0#0000000#ffffff0@40
+|e+0#af5f00255&|c|h|o| +0#0000000&|&+0#00e0e07&|t|i|t|l|e|s|t|r|i|n|g|
+0#0000000&@57
+|s+0#af5f00255&|e|t|
+0#0000000&|t+0#e000e06&|i|t|l|e|s|t|r|i|n|g|=+0#af5f00255&|\+0#0000000#5fd7ff255@1|\+0#4040ff13#afffff255|"|f+0#0000000#ffd7ff255|o@1|\+0fd7ff255@1|\+0#4040ff13#afffff255|"|b+0#0000000#ffd7ff255|a|r|\+0fd7ff255@1|\+0#4040ff13#afffff255|"|
+0#0000000#ffffff0|"+0#0000e05&| |c|o|m@1|e|n|t| +0#0000000&@30
+|e+0#af5f00255&|c|h|o| +0#0000000&|&+0#00e0e07&|t|i|t|l|e|s|t|r|i|n|g|
+0#0000000&@57
+|s+0#af5f00255&|e|t|
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+0#0000000#ffffff0@40
+|e+0#af5f00255&|c|h|o| +0#0000000&|&+0#00e0e07&|t|i|t|l|e|s|t|r|i|n|g|
+0#0000000&@57
+@75
+|e+0#af5f00255&|c|h|o| +0#0000000&|"+0#e000002&|-@1| |4| |-@1|"| +0#0000000&@60
+|s+0#af5f00255&|e|t|
+0#0000000&|t+0#e000e06&|i|t|l|e|s|t|r|i|n|g|=+0#af5f00255&|\+0#0000000#5fd7ff255@3|a+0&#ffd7ff255|f|o@1|\+0fd7ff255@3|a+0&#ffd7ff255|b|a|r|\+0fd7ff255@3|a+0&#ffd7ff255|
+0&#ffffff0|"+0#0000e05&| |c|o|m@1|e|n|t| +0#0000000&@27
+|e+0#af5f00255&|c|h|o| +0#0000000&|&+0#00e0e07&|t|i|t|l|e|s|t|r|i|n|g|
+0#0000000&@57
+|s+0#af5f00255&|e|t|
+0#0000000&|t+0#e000e06&|i|t|l|e|s|t|r|i|n|g|=+0#af5f00255&|\+0#0000000#5fd7ff255@3|a+0&#ffd7ff255|f|o@1|\+0fd7ff255@3|a+0&#ffd7ff255|b|a|r|\+0fd7ff255@3|a+0&#ffd7ff255|
+0&#ffffff0@37
+|e+0#af5f00255&|c|h|o| +0#0000000&|&+0#00e0e07&|t|i|t|l|e|s|t|r|i|n|g|
+0#0000000&@57
+|s+0#af5f00255&|e|t|
+0#0000000&|t+0#e000e06&|i|t|l|e|s|t|r|i|n|g|=+0#af5f00255&|\+0#0000000#5fd7ff255@3|
+0&#ffffff0|f|o@1|\@3| |b|a|r|\@3| @1|"+0#0000e05&| |c|o|m@1|e|n|t|
+0#0000000&@27
+|e+0#af5f00255&|c|h|o| +0#0000000&|&+0#00e0e07&|t|i|t|l|e|s|t|r|i|n|g|
+0#0000000&@57
+@57|5@1|,|1| @9|8|1|%|
diff --git a/runtime/syntax/testdir/dumps/vim_ex_set_backslash_04.dump
b/runtime/syntax/testdir/dumps/vim_ex_set_backslash_04.dump
new file mode 100644
index 000000000..04e6eadc5
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/vim_ex_set_backslash_04.dump
@@ -0,0 +1,20 @@
+|e+0#af5f00255#ffffff0|c|h|o| +0#0000000&|&+0#00e0e07&|t|i|t|l|e|s|t|r|i|n|g|
+0#0000000&@57
+|s+0#af5f00255&|e|t|
+0#0000000&|t+0#e000e06&|i|t|l|e|s|t|r|i|n|g|=+0#af5f00255&|\+0#0000000#5fd7ff255@3|
+0&#ffffff0|f|o@1|\@3| |b|a|r|\@3| @38
+|e+0#af5f00255&|c|h|o| +0#0000000&|&+0#00e0e07&|t|i|t|l|e|s|t|r|i|n|g|
+0#0000000&@57
+|s+0#af5f00255&|e|t|
+0#0000000&|t+0#e000e06&|i|t|l|e|s|t|r|i|n|g|=+0#af5f00255&|\+0#0000000#5fd7ff255@3|||f+0&#ffd7ff255|o@1|\+0fd7ff255@3|||b+0&#ffd7ff255|a|r|\+0fd7ff255@3|||
+0&#ffffff0|"+0#0000e05&| |c|o|m@1|e|n|t| +0#0000000&@27
+|e+0#af5f00255&|c|h|o| +0#0000000&|&+0#00e0e07&|t|i|t|l|e|s|t|r|i|n|g|
+0#0000000&@57
+>s+0#af5f00255&|e|t|
+0#0000000&|t+0#e000e06&|i|t|l|e|s|t|r|i|n|g|=+0#af5f00255&|\+0#0000000#5fd7ff255@3|||f+0&#ffd7ff255|o@1|\+0fd7ff255@3|||b+0&#ffd7ff255|a|r|\+0fd7ff255@3|||
+0&#ffffff0@37
+|e+0#af5f00255&|c|h|o| +0#0000000&|&+0#00e0e07&|t|i|t|l|e|s|t|r|i|n|g|
+0#0000000&@57
+|s+0#af5f00255&|e|t|
+0#0000000&|t+0#e000e06&|i|t|l|e|s|t|r|i|n|g|=+0#af5f00255&|\+0#0000000#5fd7ff255@3|"|f+0&#ffd7ff255|o@1|\+0fd7ff255@3|"|b+0&#ffd7ff255|a|r|\+0fd7ff255@3|"|
+0&#ffffff0|"+0#0000e05&| |c|o|m@1|e|n|t| +0#0000000&@27
+|e+0#af5f00255&|c|h|o| +0#0000000&|&+0#00e0e07&|t|i|t|l|e|s|t|r|i|n|g|
+0#0000000&@57
+|s+0#af5f00255&|e|t|
+0#0000000&|t+0#e000e06&|i|t|l|e|s|t|r|i|n|g|=+0#af5f00255&|f+0#0000000#ffd7ff255|o@1|\+0fd7ff255@3|"|\@3|"|b+0&#ffd7ff255|a|r|\+0fd7ff255@3|"|
+0&#ffffff0@37
+|e+0#af5f00255&|c|h|o| +0#0000000&|&+0#00e0e07&|t|i|t|l|e|s|t|r|i|n|g|
+0#0000000&@57
+@75
+|~+0#4040ff13&| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+| +0#0000000&@56|7|3|,|1| @9|B|o|t|
diff --git a/runtime/syntax/testdir/input/vim_ex_set.vim
b/runtime/syntax/testdir/input/vim_ex_set.vim
index 0b1d0101a..e1bfc0f9c 100644
--- a/runtime/syntax/testdir/input/vim_ex_set.vim
+++ b/runtime/syntax/testdir/input/vim_ex_set.vim
@@ -93,7 +93,7 @@ set path=
bc,def
-" CompilerSet
+" :CompilerSet
CompilerSet makeprg=ant
CompilerSet errorformat=\ %#[%.%#]\ %#%f:%l:%v:%*\d:%*\d:\ %t%[%^:]%#:%m,
@@ -111,3 +111,14 @@ echo "Foo"
set quoteescape=\
echo "Foo"
+
+" Issue #16913 (vim syntax: set langmap may have wrong highlight)
+
+set langmap+=ФЫВАПРОЛДЖЭЁ;ASDFGHJKL\:\"\|
+set langmap+=ЯЧСМИТЬБЮ;ZXCVBNM<>
+
+set langmap+=ФЫВАПРОЛДЖЭЁ;ASDFGHJKL\:\"\|
+ \ langmap+=ЯЧСМИТЬБЮ;ZXCVBNM<>
+
+set langmap+=ФЫВАПРОЛДЖЭЁ;ASDFGHJKL\:\"\| langmap+=ЯЧСМИТЬБЮ;ZXCVBNM<>
+
diff --git a/runtime/syntax/testdir/input/vim_ex_set_backslash.vim
b/runtime/syntax/testdir/input/vim_ex_set_backslash.vim
new file mode 100644
index 000000000..53851a769
--- /dev/null
+++ b/runtime/syntax/testdir/input/vim_ex_set_backslash.vim
@@ -0,0 +1,79 @@
+" Vim :set command (escaped characters)
+" VIM_TEST_SETUP hi link vimSetEscape DiffAdd
+" VIM_TEST_SETUP hi link vimSetBarEscape DiffDelete
+" VIM_TEST_SETUP hi link vimSetQuoteEscape DiffDelete
+" VIM_TEST_SETUP hi link vimSetEqual DiffChange
+
+
+echo "-- 1 --"
+set titlestring= foo bar " comment
+echo &titlestring
+set titlestring= foo bar
+echo &titlestring
+set titlestring=\ foo\ bar\ " comment
+echo &titlestring
+set titlestring=\ foo\ bar\
+echo &titlestring
+set titlestring=\|foo\|bar\| " comment
+echo &titlestring
+set titlestring=\|foo\|bar\|
+echo &titlestring
+set titlestring=\"foo\"bar\" " comment
+echo &titlestring
+set titlestring=\"foo\"bar\"
+echo &titlestring
+
+echo "-- 2 --"
+set titlestring=\afoo\abar\a " comment
+echo &titlestring
+set titlestring=\afoo\abar\a
+echo &titlestring
+set titlestring=\ foo\ bar\ " comment
+echo &titlestring
+set titlestring=\ foo\ bar\
+echo &titlestring
+set titlestring=\|foo\|bar\| " comment
+echo &titlestring
+set titlestring=\|foo\|bar\|
+echo &titlestring
+set titlestring=\"foo\"bar\" " comment
+echo &titlestring
+set titlestring=\"foo\"bar\"
+echo &titlestring
+
+echo "-- 3 --"
+set titlestring=\ foo\ bar\ " comment
+echo &titlestring
+set titlestring=\ foo\ bar\
+echo &titlestring
+set titlestring=\\ foo\\ bar\\ " comment
+echo &titlestring
+set titlestring=\\ foo\\ bar\\
+echo &titlestring
+set titlestring=\\|foo\\|bar\\| " comment
+echo &titlestring
+set titlestring=\\|foo\\|bar\\|
+echo &titlestring
+set titlestring=\\"foo\\"bar\\" " comment
+echo &titlestring
+set titlestring=\\"foo\\"bar\\"
+echo &titlestring
+
+echo "-- 4 --"
+set titlestring=\\afoo\\abar\\a " comment
+echo &titlestring
+set titlestring=\\afoo\\abar\\a
+echo &titlestring
+set titlestring=\\ foo\\ bar\\ " comment
+echo &titlestring
+set titlestring=\\ foo\\ bar\\
+echo &titlestring
+set titlestring=\\|foo\\|bar\\| " comment
+echo &titlestring
+set titlestring=\\|foo\\|bar\\|
+echo &titlestring
+set titlestring=\\"foo\\"bar\\" " comment
+echo &titlestring
+set titlestring=foo\\"\\"bar\\"
+echo &titlestring
+
diff --git a/runtime/syntax/vim.vim b/runtime/syntax/vim.vim
index 2a833e4d8..228e741df 100644
--- 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 <dougkea...@gmail.com>
-" Last Change: 2025 Mar 29
+" Last Change: 2025 Apr 03
" Former Maintainer: Charles E. Campbell
" DO NOT CHANGE DIRECTLY.
@@ -823,12 +823,31 @@ syn match vimCmplxRepeat
'@[0-9a-z".=@:]\ze\($\|[^a-zA-Z]\>\)'
" Set command and associated set-options (vimOptions) with comment {{{2
syn match vimSet "\<\%(setl\%[ocal]\|setg\%[lobal]\|se\%[t]\)\>"
skipwhite nextgroup=vimSetBang,vimSetArgs
-syn region vimSetArgs contained start="\S" skip=+\|\|
\s*\\|
\s*["#]\ + matchgroup=vimCmdSep end="|" end="$" matchgroup=vimNotation
end="<[cC][rR]>" keepend
contains=@vimComment,@vimContinue,vimErrSetting,vimOption,vimSetAll,vimSetTermcap
-syn region vimSetEqual contained matchgroup=vimOper
start="[=:]\|[-+^]=" skip=+\|\|\\s\|
\s*\\|
\s*["#]\ \|^\s*\\|^\s*["#]\ + matchgroup=vimCmdSep end="|" end="\ze\s" end="$"
contains=@vimContinue,vimCtrlChar,vimEnvvar,vimNotation,vimSetSep
+syn region vimSetComment contained start=+"+ skip=+
\s*\%(\\||"\ \)+ end="$" contains=@vimCommentGroup,vimCommentString extend
+syn match vimSetCmdSep contained "|" skipwhite
nextgroup=@vimCmdList,vimSubst1,vimFunc
+syn match vimSetEscape contained "\\%(\[|"]\|.\)"
+syn match vimSetBarEscape contained "\|"
+syn match vimSetQuoteEscape contained +\"+
+syn region vimSetArgs contained
+ \ start="\S"
+ \ skip=+
\s*\%(\\|["#]\ \)\|^\s*"\ +
+ \ end=+\ze\\@1<![|"]+
+ "\ assume this isn't an escaped char with backslash on the previous line
+ \ end=+^\s*\\ze[|"]+
+ \ end="\ze\s#"
+ \ end="$"
+ \ nextgroup=vimSetCmdSep,vimSetComment,vim9Comment
+ \ contains=@vimContinue,vimErrSetting,vimOption,vimSetAll,vimSetTermcap
+ \ keepend
+syn region vimSetEqual contained
+ \ matchgroup=vimOper
+ \ start="[=:]\|[-+^]="
+ \ skip=+\\s\|^\s*\%(\\|["#]\ \)+
+ \ end="\ze\s"
+ \
contains=@vimContinue,vimCtrlChar,vimEnvvar,vimNotation,vimSetSep,vimSetEscape,vimSetBarEscape,vimSetQuoteEscape
syn match vimSetBang contained " \@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 " \@1<=\%(&vim\=\|[!&?<]\)"
@@ -1682,9 +1701,9 @@ if !exists("skip_vim_syntax_inits")
hi def link vimSet vimCommand
hi def link vimSetAll vimOption
hi def link vimSetBang vimBang
+ hi def link vimSetComment vimComment
hi def link vimSetMod vimOption
hi def link vimSetSep vimSep
- hi def link vimSetString vimString
hi def link vimSetTermcap vimOption
hi def link vimShebang PreProc
hi def link vimSleep vimCommand
--
--
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