diff --git a/runtime/syntax/generator/vim.vim.base b/runtime/syntax/generator/vim.vim.base
index ab63de6..d2ddd1c 100644
--- a/runtime/syntax/generator/vim.vim.base
+++ b/runtime/syntax/generator/vim.vim.base
@@ -1115,8 +1115,8 @@
 syn match	vimShebang	"\%^#!.*" display
 
 syn match	vimContinue		"^\s*\zs\\"
-syn match         vimContinueComment	'^\s*\zs["#]\\ .*'
-syn match         vim9ContinueComment	"^\s*\zs#\\ .*"
+syn match	vimContinueComment	'^\s*\zs["#]\\ .*' extend
+syn match	vim9ContinueComment	"^\s*\zs#\\ .*"	 extend
 syn cluster	vimContinue	contains=vimContinue,vimContinueComment
 syn cluster	vim9Continue	contains=vimContinue,vim9ContinueComment
 
diff --git a/runtime/syntax/testdir/dumps/vim_ex_syntax_02.dump b/runtime/syntax/testdir/dumps/vim_ex_syntax_02.dump
index 3ff2aba..bcc59d4 100644
--- a/runtime/syntax/testdir/dumps/vim_ex_syntax_02.dump
+++ b/runtime/syntax/testdir/dumps/vim_ex_syntax_02.dump
@@ -17,4 +17,4 @@
 | +0#e000002&@5|\+0#e000e06&|p+0#e000002&|a|t|3|a| |.|*| |p|a|t|3|b| +0#0000000&@53
 | +0#e000002&@5|"+0#0000e05&|\| |p|a|t@1|e|r|n| |e|n|d| +0#0000000&@54
 | +0#e000002&@5|\+0#e000e06&|/+0#e000002&| +0#0000000&@66
-@57|3|6|,|7| @9|1|8|%| 
+@57|3|6|,|7| @9|1|7|%| 
diff --git a/runtime/syntax/testdir/dumps/vim_ex_syntax_03.dump b/runtime/syntax/testdir/dumps/vim_ex_syntax_03.dump
index 59d9562..66ccef3 100644
--- a/runtime/syntax/testdir/dumps/vim_ex_syntax_03.dump
+++ b/runtime/syntax/testdir/dumps/vim_ex_syntax_03.dump
@@ -17,4 +17,4 @@
 @6|"+0#0000e05&|\| |s|k|i|p|e|m|p|t|y| |o|p|t|i|o|n| +0#0000000&@49
 @6|\+0#e000e06&| +0#0000000&|s+0#e000e06&|k|i|p|e|m|p|t|y| +0#0000000&@57
 @6|"+0#0000e05&|\| |s|k|i|p|n|l| |o|p|t|i|o|n| +0#0000000&@52
-@57|5|4|,|7| @9|3|0|%| 
+@57|5|4|,|7| @9|2|8|%| 
diff --git a/runtime/syntax/testdir/dumps/vim_ex_syntax_04.dump b/runtime/syntax/testdir/dumps/vim_ex_syntax_04.dump
index 4022b48..0cd153d 100644
--- a/runtime/syntax/testdir/dumps/vim_ex_syntax_04.dump
+++ b/runtime/syntax/testdir/dumps/vim_ex_syntax_04.dump
@@ -17,4 +17,4 @@
 @6|"+0#0000e05&|\| |O|P|T|I|O|N|S| +0#0000000&@58
 @6|"+0#0000e05&|\| |s|t|a|r|t| |o|p|t|i|o|n| +0#0000000&@53
 @6|\+0#e000e06&| +0#0000000&|s+0#00e0003&|t|a|r|t|=|"+0#e000002&|s|t|a|r|t|-|p|a|t@1|e|r|n|"| +0#0000000&@45
-@57|7|2|,|7| @9|4|1|%| 
+@57|7|2|,|7| @9|3|9|%| 
diff --git a/runtime/syntax/testdir/dumps/vim_ex_syntax_05.dump b/runtime/syntax/testdir/dumps/vim_ex_syntax_05.dump
index c4c4994..ff05fd1 100644
--- a/runtime/syntax/testdir/dumps/vim_ex_syntax_05.dump
+++ b/runtime/syntax/testdir/dumps/vim_ex_syntax_05.dump
@@ -17,4 +17,4 @@
 @6|\+0#e000e06&| +0#0000000&|t+0#e000e06&|r|a|n|s|p|a|r|e|n|t| +0#0000000&@55
 @6|"+0#0000e05&|\| |s|k|i|p|w|h|i|t|e| |o|p|t|i|o|n| +0#0000000&@49
 @6|\+0#e000e06&| +0#0000000&|s+0#e000e06&|k|i|p|w|h|i|t|e| +0#0000000&@57
-@57|9|0|,|7| @9|5|3|%| 
+@57|9|0|,|7| @9|5|0|%| 
diff --git a/runtime/syntax/testdir/dumps/vim_ex_syntax_06.dump b/runtime/syntax/testdir/dumps/vim_ex_syntax_06.dump
index 6c5e4ce..05cfd64 100644
--- a/runtime/syntax/testdir/dumps/vim_ex_syntax_06.dump
+++ b/runtime/syntax/testdir/dumps/vim_ex_syntax_06.dump
@@ -17,4 +17,4 @@
 @6|\+0#e000e06&| +0#0000000&|c+0#e000e06&|o|n|c|e|a|l|e|n|d|s| +0#0000000&@55
 @6|"+0#0000e05&|\| |e|x|c|l|u|d|e|n|l| |o|p|t|i|o|n| +0#0000000&@49
 @6|\+0#e000e06&| +0#0000000&|e+0#e000e06&|x|c|l|u|d|e|n|l| +0#0000000&@57
-@57|1|0|8|,|7| @8|6|4|%| 
+@57|1|0|8|,|7| @8|6|1|%| 
diff --git a/runtime/syntax/testdir/dumps/vim_ex_syntax_07.dump b/runtime/syntax/testdir/dumps/vim_ex_syntax_07.dump
index 2f66e98..d442dd2 100644
--- a/runtime/syntax/testdir/dumps/vim_ex_syntax_07.dump
+++ b/runtime/syntax/testdir/dumps/vim_ex_syntax_07.dump
@@ -17,4 +17,4 @@
 @75
 |"+0#0000e05&| |m|u|l|t|i|l|i|n|e| |g|r|o|u|p| |l|i|s|t| +0#0000000&@52
 @75
-@57|1|2|6|,|7| @8|7|5|%| 
+@57|1|2|6|,|7| @8|7|1|%| 
diff --git a/runtime/syntax/testdir/dumps/vim_ex_syntax_08.dump b/runtime/syntax/testdir/dumps/vim_ex_syntax_08.dump
index db2d97b..84862c7 100644
--- a/runtime/syntax/testdir/dumps/vim_ex_syntax_08.dump
+++ b/runtime/syntax/testdir/dumps/vim_ex_syntax_08.dump
@@ -17,4 +17,4 @@
 @6|\+0#e000e06&| +0#0000000&|t|e|s|t|N|e|x|t|0| |,| |t|e|s|t|N|e|x|t|1| |,| @43
 @6|"+0#0000e05&|\| |a| |c|o|m@1|e|n|t| +0#0000000&@56
 @6|\+0#e000e06&| +0#0000000&|t|e|s|t|N|e|x|t|[|2|-|8|]|.|*| |,| @49
-@57|1|4@1|,|1| @8|8|7|%| 
+@57|1|4@1|,|1| @8|8|2|%| 
diff --git a/runtime/syntax/testdir/dumps/vim_ex_syntax_09.dump b/runtime/syntax/testdir/dumps/vim_ex_syntax_09.dump
index f48fb04..0b5e3d7 100644
--- a/runtime/syntax/testdir/dumps/vim_ex_syntax_09.dump
+++ b/runtime/syntax/testdir/dumps/vim_ex_syntax_09.dump
@@ -17,4 +17,4 @@
 @2|f+0#af5f00255&|o|r| +0#0000000&|c+0#00e0e07&|l|u|s|t|e|r| +0#0000000&|i+0#af5f00255&|n| +0#0000000&|[+0#e000e06&|'+0#e000002&|m|a|r|k|d|o|w|n|H|i|g|h|l|i|g|h|t|_|z|s|h|'|,+0#0000000&| |'+0#e000002&|z|s|h|'|]+0#e000e06&| +0#0000000&@25
 @4|"+0#0000e05&| |.@2| +0#0000000&@65
 @2|e+0#af5f00255&|n|d|f|o|r| +0#0000000&@66
-@57|1|6|2|,|7| @8|9|8|%| 
+@57|1|6|2|,|7| @8|9|3|%| 
diff --git a/runtime/syntax/testdir/dumps/vim_ex_syntax_10.dump b/runtime/syntax/testdir/dumps/vim_ex_syntax_10.dump
index c33c082..1627f39 100644
--- a/runtime/syntax/testdir/dumps/vim_ex_syntax_10.dump
+++ b/runtime/syntax/testdir/dumps/vim_ex_syntax_10.dump
@@ -1,6 +1,15 @@
 | +0&#ffffff0@1|e+0#af5f00255&|n|d|f|o|r| +0#0000000&@66
 @2|"+0#0000e05&| |.@2| +0#0000000&@67
->e+0#af5f00255&|n|d|f|u|n|c|t|i|o|n| +0#0000000&@63
+|e+0#af5f00255&|n|d|f|u|n|c|t|i|o|n| +0#0000000&@63
+@75
+|"+0#0000e05&| |e|a|r|l|y| |t|e|r|m|i|n|a|t|i|o|n| |o|f| |v|i|m|S|y|n|R|e|g|i|o|n| +0#0000000&@39
+> @74
+|s+0#af5f00255&|y|n| +0#0000000&|r+0#00e0003&|e|g|i|o|n| +0#0000000&|t+0#00e0003&|e|s|t|R|e|g|i|o|n| +0#0000000&@53
+@6|"+0#0000e05&|\| ||| |d|o|e|s| |n|o|t| |e|n|d| |t|h|e| |a|r|g|s| |r|e|g|i|o|n| +0#0000000&@35
+@6|"+0#0000e05&|\| |s|t|a|r|t|=|"|f|o@1|\|||b|a|r|"| +0#0000000&@49
+@6|\+0#e000e06&| +0#0000000&|s+0#00e0003&|t|a|r|t|=|"+0#e000002&|s|t|a|r|t|"| +0#0000000&@53
+@6|\+0#e000e06&| +0#0000000&|e+0#00e0003&|n|d|=|"+0#e000002&|e|n|d|"| +0#0000000&@57
+@75
 |~+0#4040ff13&| @73
 |~| @73
 |~| @73
@@ -8,13 +17,4 @@
 |~| @73
 |~| @73
 |~| @73
-|~| @73
-|~| @73
-|~| @73
-|~| @73
-|~| @73
-|~| @73
-|~| @73
-|~| @73
-|~| @73
-| +0#0000000&@56|1|7@1|,|1| @8|B|o|t| 
+| +0#0000000&@56|1|8|0|,|0|-|1| @6|B|o|t| 
diff --git a/runtime/syntax/testdir/input/vim_ex_syntax.vim b/runtime/syntax/testdir/input/vim_ex_syntax.vim
index 79437ff..5611e6a 100644
--- a/runtime/syntax/testdir/input/vim_ex_syntax.vim
+++ b/runtime/syntax/testdir/input/vim_ex_syntax.vim
@@ -175,3 +175,12 @@
   endfor
   " ...
 endfunction
+
+" early termination of vimSynRegion
+
+syn region testRegion
+      "\ | does not end the args region
+      "\ start="foo\|bar"
+      \ start="start"
+      \ end="end"
+
diff --git a/runtime/syntax/vim.vim b/runtime/syntax/vim.vim
index 0d4082a..8bb91e3 100644
--- a/runtime/syntax/vim.vim
+++ b/runtime/syntax/vim.vim
@@ -1161,8 +1161,8 @@
 syn match	vimShebang	"\%^#!.*" display
 
 syn match	vimContinue		"^\s*\zs\\"
-syn match         vimContinueComment	'^\s*\zs["#]\\ .*'
-syn match         vim9ContinueComment	"^\s*\zs#\\ .*"
+syn match	vimContinueComment	'^\s*\zs["#]\\ .*' extend
+syn match	vim9ContinueComment	"^\s*\zs#\\ .*"	 extend
 syn cluster	vimContinue	contains=vimContinue,vimContinueComment
 syn cluster	vim9Continue	contains=vimContinue,vim9ContinueComment