diff --git a/runtime/syntax/testdir/dumps/vim_line_continuation_00.dump b/runtime/syntax/testdir/dumps/vim_line_continuation_00.dump
new file mode 100644
index 0000000..7733c0b
--- /dev/null
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diff --git a/runtime/syntax/testdir/dumps/vim_line_continuation_01.dump b/runtime/syntax/testdir/dumps/vim_line_continuation_01.dump
new file mode 100644
index 0000000..a2e4820
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/vim_line_continuation_01.dump
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diff --git a/runtime/syntax/testdir/dumps/vim_line_continuation_02.dump b/runtime/syntax/testdir/dumps/vim_line_continuation_02.dump
new file mode 100644
index 0000000..c4ceded
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/vim_line_continuation_02.dump
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diff --git a/runtime/syntax/testdir/dumps/vim_line_continuation_99.dump b/runtime/syntax/testdir/dumps/vim_line_continuation_99.dump
new file mode 100644
index 0000000..05ea464
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/vim_line_continuation_99.dump
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diff --git a/runtime/syntax/testdir/dumps/vim_syntax_00.dump b/runtime/syntax/testdir/dumps/vim_syntax_00.dump
index db52967..21dcc88 100644
--- a/runtime/syntax/testdir/dumps/vim_syntax_00.dump
+++ b/runtime/syntax/testdir/dumps/vim_syntax_00.dump
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diff --git a/runtime/syntax/testdir/dumps/vim_syntax_01.dump b/runtime/syntax/testdir/dumps/vim_syntax_01.dump
index e09801d..800e4a7 100644
--- a/runtime/syntax/testdir/dumps/vim_syntax_01.dump
+++ b/runtime/syntax/testdir/dumps/vim_syntax_01.dump
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index 063a33b..1caffc1 100644
--- a/runtime/syntax/testdir/dumps/vim_syntax_02.dump
+++ b/runtime/syntax/testdir/dumps/vim_syntax_02.dump
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index b3a23dd..31ab527 100644
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diff --git a/runtime/syntax/testdir/dumps/vim_syntax_04.dump b/runtime/syntax/testdir/dumps/vim_syntax_04.dump
new file mode 100644
index 0000000..d5d9f40
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new file mode 100644
index 0000000..47d60c2
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new file mode 100644
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+@6|"+0#0000e05&|\| |k|e@1|p|e|n|d| |o|p|t|i|o|n| +0#0000000&@51
+@57|1|0|9|,|7| @8|7|1|%| 
diff --git a/runtime/syntax/testdir/dumps/vim_syntax_07.dump b/runtime/syntax/testdir/dumps/vim_syntax_07.dump
new file mode 100644
index 0000000..eb36317
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/vim_syntax_07.dump
@@ -0,0 +1,20 @@
+| +0&#ffffff0@5|"+0#0000e05&|\| |k|e@1|p|e|n|d| |o|p|t|i|o|n| +0#0000000&@51
+@6|\+0#e000e06&| +0#0000000&|k+0#e000e06&|e@1|p|e|n|d| +0#0000000&@59
+@75
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+@6|"+0#0000e05&|\| |O|P|T|I|O|N|S| +0#0000000&@58
+@6>"+0#0000e05&|\| |c|o|n|t|a|i|n|s| |o|p|t|i|o|n| +0#0000000&@50
+@6|\+0#e000e06&| +0#0000000&|c+0#e000e06&|o|n|t|a|i|n|s|=|t+0#0000000&|e|s|t|C|o|n|t|a|i|n|e|d|1|,|t|e|s|t|C|o|n|t|a|i|n|e|d|2|,|t|e|s|t|C|o|n|t|a|i|n|e|d|3| @13
+@75
+|s+0#af5f00255&|y|n| +0#0000000&|c+0#00e0003&|l|u|s|t|e|r| +0#0000000&|t+0#00e0003&|e|s|t|C|l|u|s|t|e|r| +0#0000000&@51
+@6|"+0#0000e05&|\| |O|P|T|I|O|N|S| +0#0000000&@58
+@6|"+0#0000e05&|\| |a|d@1| |o|p|t|i|o|n| +0#0000000&@55
+@6|\+0#e000e06&| +0#0000000&|a+0#e000e06&|d@1|=|t+0#0000000&|e|s|t|A|d@1| @55
+@6|"+0#0000e05&|\| |r|e|m|o|v|e| |o|p|t|i|o|n| +0#0000000&@52
+@6|\+0#e000e06&| +0#0000000&|r+0#e000e06&|e|m|o|v|e|=|t+0#0000000&|e|s|t|R|e|m|o|v|e| @49
+@75
+@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
+|s+0#af5f00255&|y|n| +0#0000000&|k+0#00e0003&|e|y|w|o|r|d| +0#0000000&|t+0#00e0003&|e|s|t|N|e|x|t|0| +0#0000000&|k|e|y|w|o|r|d| @45
+@57|1|2|7|,|7| @8|8|3|%| 
diff --git a/runtime/syntax/testdir/dumps/vim_syntax_08.dump b/runtime/syntax/testdir/dumps/vim_syntax_08.dump
new file mode 100644
index 0000000..3906e55
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/vim_syntax_08.dump
@@ -0,0 +1,20 @@
+|s+0#af5f00255#ffffff0|y|n| +0#0000000&|k+0#00e0003&|e|y|w|o|r|d| +0#0000000&|t+0#00e0003&|e|s|t|N|e|x|t|0| +0#0000000&|k|e|y|w|o|r|d| @45
+|s+0#af5f00255&|y|n| +0#0000000&|k+0#00e0003&|e|y|w|o|r|d| +0#0000000&|t+0#00e0003&|e|s|t|N|e|x|t|1| +0#0000000&|k|e|y|w|o|r|d| @45
+|s+0#af5f00255&|y|n| +0#0000000&|k+0#00e0003&|e|y|w|o|r|d| +0#0000000&|t+0#00e0003&|e|s|t|N|e|x|t|2| +0#0000000&|k|e|y|w|o|r|d| @45
+|s+0#af5f00255&|y|n| +0#0000000&|k+0#00e0003&|e|y|w|o|r|d| +0#0000000&|t+0#00e0003&|e|s|t|N|e|x|t|3| +0#0000000&|k|e|y|w|o|r|d| @45
+|s+0#af5f00255&|y|n| +0#0000000&|k+0#00e0003&|e|y|w|o|r|d| +0#0000000&|t+0#00e0003&|e|s|t|N|e|x|t|4| +0#0000000&|k|e|y|w|o|r|d| @45
+>s+0#af5f00255&|y|n| +0#0000000&|k+0#00e0003&|e|y|w|o|r|d| +0#0000000&|t+0#00e0003&|e|s|t|N|e|x|t|5| +0#0000000&|k|e|y|w|o|r|d| @45
+|s+0#af5f00255&|y|n| +0#0000000&|k+0#00e0003&|e|y|w|o|r|d| +0#0000000&|t+0#00e0003&|e|s|t|N|e|x|t|6| +0#0000000&|k|e|y|w|o|r|d| @45
+|s+0#af5f00255&|y|n| +0#0000000&|k+0#00e0003&|e|y|w|o|r|d| +0#0000000&|t+0#00e0003&|e|s|t|N|e|x|t|7| +0#0000000&|k|e|y|w|o|r|d| @45
+|s+0#af5f00255&|y|n| +0#0000000&|k+0#00e0003&|e|y|w|o|r|d| +0#0000000&|t+0#00e0003&|e|s|t|N|e|x|t|8| +0#0000000&|k|e|y|w|o|r|d| @45
+|s+0#af5f00255&|y|n| +0#0000000&|k+0#00e0003&|e|y|w|o|r|d| +0#0000000&|t+0#00e0003&|e|s|t|N|e|x|t|9| +0#0000000&|k|e|y|w|o|r|d| @45
+@75
+|s+0#af5f00255&|y|n| +0#0000000&|k+0#00e0003&|e|y|w|o|r|d| +0#0000000&|t+0#00e0003&|e|s|t|K|e|y|w|o|r|d| +0#0000000&@51
+@6|"+0#0000e05&|\| |n|e|x|t|g|r|o|u|p| |o|p|t|i|o|n| +0#0000000&@49
+@6|\+0#e000e06&| +0#0000000&|n+0#e000e06&|e|x|t|g|r|o|u|p|=| +0#0000000&@56
+@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|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
+@6|"+0#0000e05&|\| |a| |c|o|m@1|e|n|t| +0#0000000&@56
+@57|1|4|5|,|1| @8|9|5|%| 
diff --git a/runtime/syntax/testdir/dumps/vim_syntax_99.dump b/runtime/syntax/testdir/dumps/vim_syntax_99.dump
index c50589d..4ca16c6 100644
--- a/runtime/syntax/testdir/dumps/vim_syntax_99.dump
+++ b/runtime/syntax/testdir/dumps/vim_syntax_99.dump
@@ -1,20 +1,20 @@
-| +0&#ffffff0@74
-|s+0#af5f00255&|y|n| +0#0000000&|c+0#00e0003&|l|u|s|t|e|r| +0#0000000&|t+0#00e0003&|e|s|t|C|l|u|s|t|e|r| +0#0000000&@51
-@6|\+0#e000e06&| +0#0000000&|c+0#e000e06&|o|n|t|a|i|n|s|=|t+0#0000000&|e|s|t|C|o|n|t|a|i|n|e|d|1|,|t|e|s|t|C|o|n|t|a|i|n|e|d|2|,|t|e|s|t|C|o|n|t|a|i|n|e|d|3| @13
+|s+0#af5f00255#ffffff0|y|n| +0#0000000&|k+0#00e0003&|e|y|w|o|r|d| +0#0000000&|t+0#00e0003&|e|s|t|N|e|x|t|6| +0#0000000&|k|e|y|w|o|r|d| @45
+|s+0#af5f00255&|y|n| +0#0000000&|k+0#00e0003&|e|y|w|o|r|d| +0#0000000&|t+0#00e0003&|e|s|t|N|e|x|t|7| +0#0000000&|k|e|y|w|o|r|d| @45
+|s+0#af5f00255&|y|n| +0#0000000&|k+0#00e0003&|e|y|w|o|r|d| +0#0000000&|t+0#00e0003&|e|s|t|N|e|x|t|8| +0#0000000&|k|e|y|w|o|r|d| @45
+|s+0#af5f00255&|y|n| +0#0000000&|k+0#00e0003&|e|y|w|o|r|d| +0#0000000&|t+0#00e0003&|e|s|t|N|e|x|t|9| +0#0000000&|k|e|y|w|o|r|d| @45
 @75
-|s+0#af5f00255&|y|n| +0#0000000&|c+0#00e0003&|l|u|s|t|e|r| +0#0000000&|t+0#00e0003&|e|s|t|C|l|u|s|t|e|r| +0#0000000&@51
-@6|\+0#e000e06&| +0#0000000&|a+0#e000e06&|d@1|=|t+0#0000000&|e|s|t|A|d@1| @55
-@6|\+0#e000e06&| +0#0000000&|r+0#e000e06&|e|m|o|v|e|=|t+0#0000000&|e|s|t|R|e|m|o|v|e| @49
-@75
-@75
-|"+0#0000e05&| |c|h|e|c|k| |m|u|l|t|i|l|i|n|e| |g|r|o|u|p| |l|i|s|t| +0#0000000&@46
 |s+0#af5f00255&|y|n| +0#0000000&|k+0#00e0003&|e|y|w|o|r|d| +0#0000000&|t+0#00e0003&|e|s|t|K|e|y|w|o|r|d| +0#0000000&@51
+@6|"+0#0000e05&|\| |n|e|x|t|g|r|o|u|p| |o|p|t|i|o|n| +0#0000000&@49
 @6|\+0#e000e06&| +0#0000000&|n+0#e000e06&|e|x|t|g|r|o|u|p|=| +0#0000000&@56
-@6|\+0#e000e06&| +0#0000000&|t|e|s|t|N|e|x|t| |,| @56
-@6|\+0#e000e06&| +0#0000000&|t|e|s|t|N|e|x|t|2| |,| @55
-@6|\+0#e000e06&| +0#0000000&|@|t|e|s|t|C|l|u|s|t|e|r| @54
-@6|\+0#e000e06&| +0#0000000&|s+0#e000e06&|k|i|p|w|h|i|t|e| +0#0000000&@57
+@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|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
+@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|9| |,| |@|t|e|s|t|C|l|u|s|t|e|r| |s+0#e000e06&|k|i|p|w|h|i|t|e| +0#0000000&@32
+@6|"+0#0000e05&|\| |K|E|Y|W|O|R|D|S| |L|I|S|T| +0#0000000&@52
 @6|\+0#e000e06&| +0#0000000&|k|e|y|w|o|r|d|4| @58
 @6|\+0#e000e06&| +0#0000000&|k|e|y|w|o|r|d|5| @58
-@6>\+0#e000e06&| +0#0000000&|k|e|y|w|o|r|d|6| @58
-@57|7|5|,|7| @9|B|o|t| 
+@6|\+0#e000e06&| +0#0000000&|k|e|y|w|o|r|d|6| @58
+> @74
+@57|1|6|4|,|0|-|1| @6|B|o|t| 
diff --git a/runtime/syntax/testdir/input/vim_line_continuation.vim b/runtime/syntax/testdir/input/vim_line_continuation.vim
new file mode 100644
index 0000000..a32666a
--- /dev/null
+++ b/runtime/syntax/testdir/input/vim_line_continuation.vim
@@ -0,0 +1,49 @@
+" Vim line continuations with interspersed comments
+
+function Foo(
+      "\ param a
+      \ a,
+      "\ param b
+      \ b,
+      "\ param c
+      \ c
+      \)
+  echomsg
+	"\ start string
+	\ $"
+	"\ print a
+	\ a = {a:a},
+	"\ print b
+	\ b = {a:b},
+	"\ print c
+	\ c = {a:c}
+	"\ end string
+	\"
+endfunction
+
+call Foo(
+      "\ arg 1
+      \ 11,
+      "\ arg 2
+      \ 22,
+      "\ arg 3
+      \ 33
+      \)
+
+let dict = #{
+      "\ pair 1
+      \ a: 1,
+      "\ pair 2
+      \ b: 2,
+      "\ pair 3
+      \ c: 3
+      \}
+
+let array = [
+      "\ element 1
+      \ 1,
+      "\ element 2
+      \ 2,
+      "\ element 3
+      \ 3
+      \]
diff --git a/runtime/syntax/testdir/input/vim_syntax.vim b/runtime/syntax/testdir/input/vim_syntax.vim
index e8c112c..197d4ac 100644
--- a/runtime/syntax/testdir/input/vim_syntax.vim
+++ b/runtime/syntax/testdir/input/vim_syntax.vim
@@ -1,75 +1,164 @@
-" Vim :syntax highlighting
+" Vim :syntax command
+
+syn match testMatch "pattern" contained " tail comment
+" NOTE: comments not currently supported
+syn keyword testKeyword keyword contained " tail comment
+syn region testRegion start="start-pattern" skip="skip-pattern" end="end-pattern" contained " tail comment
+
+" Multiline commands
 
 syn keyword testKeyword
+      "\ OPTIONS
+      "\ conceal option
       \ conceal
+      "\ cchar option
       \ cchar=&
+      "\ contained option
       \ contained
+      "\ containedin option
       \ containedin=testContainer
-      \ nextgroup=testNext,@testCluster
+      "\ nextgroup option
+      \ nextgroup=testNext0,@testCluster
+      "\ transparent option
       \ transparent
+      "\ skipwhite option
       \ skipwhite
+      "\ skipempty option
       \ skipempty
+      "\ skipnl option
       \ skipnl
+      "\ KEYWORDS LIST
+      "\ keyword 1
       \ keyword1
+      "\ keyword 2
       \ keyword2
+      "\ keyword 3
       \ keyword3
 
 syn match testMatch
-      \ "pattern"
+      "\ MATCH PATTERN
+      "\ pattern start
+      \ /
+      "\ part 1 description
+      \pat1a .* pat1b
+      "\ part 2 description
+      \pat2a .* pat2b
+      "\ part 3 description
+      \pat3a .* pat3b
+      "\ pattern end
+      \/
+      "\ OPTIONS
+      "\ conceal option
       \ conceal
+      "\ cchar option
       \ cchar=&
+      "\ contained option
       \ contained
+      "\ containedin option
       \ containedin=testContainer
-      \ nextgroup=testNext,@testCluster
+      "\ nextgroup option
+      \ nextgroup=testNext0,@testCluster
+      "\ transparent option
       \ transparent
+      "\ skipwhite option
       \ skipwhite
+      "\ skipempty option
       \ skipempty
+      "\ skipnl option
       \ skipnl
+      "\ contains option
       \ contains=testContained1,testContained2
+      "\ fold option
       \ fold
+      "\ display option
       \ display
+      "\ extend option
       \ extend
+      "\ excludenl option
       \ excludenl
+      "\ keepend option
       \ keepend
 
 syn region testRegion
+      "\ OPTIONS
+      "\ start option
       \ start="start-pattern"
-      \ end="end-pattern"
+      "\ skip option
       \ skip="skip-pattern"
-      \ contained
+      "\ end option
+      \ end="end-pattern"
+      "\ conceal option
       \ conceal
+      "\ cchar option
       \ cchar=&
+      "\ contained option
       \ contained
+      "\ containedin option
       \ containedin=testContainer
-      \ nextgroup=testNext,@testCluster
+      "\ nextgroup option
+      \ nextgroup=testNext0,@testCluster
+      "\ transparent option
       \ transparent
+      "\ skipwhite option
       \ skipwhite
+      "\ skipempty option
       \ skipempty
+      "\ skipnl option
       \ skipnl
+      "\ contains option
       \ contains=testContained1,testContained2
+      "\ oneline option
       \ oneline
+      "\ fold option
       \ fold
+      "\ display option
       \ display
+      "\ extend option
       \ extend
+      "\ concealends option
       \ concealends
+      "\ excludenl option
       \ excludenl
+      "\ keepend option
       \ keepend
 
 syn cluster testCluster
+      "\ OPTIONS
+      "\ contains option
       \ contains=testContained1,testContained2,testContained3
 
 syn cluster testCluster
+      "\ OPTIONS
+      "\ add option
       \ add=testAdd
+      "\ remove option
       \ remove=testRemove
 
 
-" check multiline group list
+" multiline group list
+
+syn keyword testNext0 keyword
+syn keyword testNext1 keyword
+syn keyword testNext2 keyword
+syn keyword testNext3 keyword
+syn keyword testNext4 keyword
+syn keyword testNext5 keyword
+syn keyword testNext6 keyword
+syn keyword testNext7 keyword
+syn keyword testNext8 keyword
+syn keyword testNext9 keyword
+
 syn keyword testKeyword
+      "\ nextgroup option
       \ nextgroup=
-      \ testNext , 
-      \ testNext2 , 
-      \ @testCluster 
-      \ skipwhite
+      "\ a comment
+      \ testNext0 , testNext1 , 
+      "\ a comment
+      \ testNext[2-8].* , 
+      "\ a comment
+      \ testNext9 , @testCluster skipwhite
+      "\ KEYWORDS LIST
       \ keyword4
       \ keyword5
       \ keyword6
+