runtime(vim): Update syntax file (#13671)

Support multiline :syntax commands.

Match :syn-cchar option in :syn-{keyword,region}.

Signed-off-by: Doug Kearns <dougkearns@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/syntax/testdir/dumps/vim_syntax_00.dump b/runtime/syntax/testdir/dumps/vim_syntax_00.dump
new file mode 100644
index 0000000..db52967
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/vim_syntax_00.dump
@@ -0,0 +1,20 @@
+>"+0#0000e05#ffffff0| |V|i|m| |:|s|y|n|t|a|x| |h|i|g|h|l|i|g|h|t|i|n|g| +0#0000000&@48
+@75
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+@6|\+0#e000e06&| +0#0000000&|c+0#e000e06&|o|n|c|e|a|l| +0#0000000&@59
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+@6|\+0#e000e06&| +0#0000000&|"+0#e000002&|p|a|t@1|e|r|n|"| +0#0000000&@57
+@6|\+0#e000e06&| +0#0000000&|c+0#e000e06&|o|n|c|e|a|l| +0#0000000&@59
+|"|i|n|p|u|t|/|v|i|m|_|s|y|n|t|a|x|.|v|i|m|"| |7|5|L|,| |1|5|0|2|B| @23|1|,|1| @10|T|o|p| 
diff --git a/runtime/syntax/testdir/dumps/vim_syntax_01.dump b/runtime/syntax/testdir/dumps/vim_syntax_01.dump
new file mode 100644
index 0000000..e09801d
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/vim_syntax_01.dump
@@ -0,0 +1,20 @@
+| +0&#ffffff0@5|\+0#e000e06&| +0#0000000&|k|e|y|w|o|r|d|2| @58
+@6|\+0#e000e06&| +0#0000000&|k|e|y|w|o|r|d|3| @58
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+@6|\+0#e000e06&| +0#0000000&|t+0#e000e06&|r|a|n|s|p|a|r|e|n|t| +0#0000000&@55
+@6|\+0#e000e06&| +0#0000000&|s+0#e000e06&|k|i|p|w|h|i|t|e| +0#0000000&@57
+@6|\+0#e000e06&| +0#0000000&|s+0#e000e06&|k|i|p|e|m|p|t|y| +0#0000000&@57
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+@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| @28
+@6|\+0#e000e06&| +0#0000000&|f+0#e000e06&|o|l|d| +0#0000000&@62
+@6|\+0#e000e06&| +0#0000000&|d+0#e000e06&|i|s|p|l|a|y| +0#0000000&@59
+@6|\+0#e000e06&| +0#0000000&|e+0#e000e06&|x|t|e|n|d| +0#0000000&@60
+@6|\+0#e000e06&| +0#0000000&|e+0#e000e06&|x|c|l|u|d|e|n|l| +0#0000000&@57
+@57|1|9|,|7| @9|2|3|%| 
diff --git a/runtime/syntax/testdir/dumps/vim_syntax_02.dump b/runtime/syntax/testdir/dumps/vim_syntax_02.dump
new file mode 100644
index 0000000..063a33b
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/vim_syntax_02.dump
@@ -0,0 +1,20 @@
+| +0&#ffffff0@5|\+0#e000e06&| +0#0000000&|e+0#e000e06&|x|c|l|u|d|e|n|l| +0#0000000&@57
+@6|\+0#e000e06&| +0#0000000&|k+0#e000e06&|e@1|p|e|n|d| +0#0000000&@59
+@75
+|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#e000e06&| +0#0000000&|s+0#00e0003&|t|a|r|t|=+0#0000000&|"+0#e000002&|s|t|a|r|t|-|p|a|t@1|e|r|n|"| +0#0000000&@45
+@6>\+0#e000e06&| +0#0000000&|e+0#00e0003&|n|d|=+0#0000000&|"+0#e000002&|e|n|d|-|p|a|t@1|e|r|n|"| +0#0000000&@49
+@6|\+0#e000e06&| +0#0000000&|s+0#00e0003&|k|i|p|=+0#0000000&|"+0#e000002&|s|k|i|p|-|p|a|t@1|e|r|n|"| +0#0000000&@47
+@6|\+0#e000e06&| +0#0000000&|c+0#e000e06&|o|n|t|a|i|n|e|d| +0#0000000&@57
+@6|\+0#e000e06&| +0#0000000&|c+0#e000e06&|o|n|c|e|a|l| +0#0000000&@59
+@6|\+0#e000e06&| +0#0000000&|c+0#e000e06&@1|h|a|r|=|&+0#e000002&| +0#0000000&@59
+@6|\+0#e000e06&| +0#0000000&|c+0#e000e06&|o|n|t|a|i|n|e|d| +0#0000000&@57
+@6|\+0#e000e06&| +0#0000000&|c+0#e000e06&|o|n|t|a|i|n|e|d|i|n|=|t+0#0000000&|e|s|t|C|o|n|t|a|i|n|e|r| @41
+@6|\+0#e000e06&| +0#0000000&|n+0#e000e06&|e|x|t|g|r|o|u|p|=|t+0#0000000&|e|s|t|N|e|x|t|,|@|t|e|s|t|C|l|u|s|t|e|r| @35
+@6|\+0#e000e06&| +0#0000000&|t+0#e000e06&|r|a|n|s|p|a|r|e|n|t| +0#0000000&@55
+@6|\+0#e000e06&| +0#0000000&|s+0#e000e06&|k|i|p|w|h|i|t|e| +0#0000000&@57
+@6|\+0#e000e06&| +0#0000000&|s+0#e000e06&|k|i|p|e|m|p|t|y| +0#0000000&@57
+@6|\+0#e000e06&| +0#0000000&|s+0#e000e06&|k|i|p|n|l| +0#0000000&@60
+@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| @28
+@6|\+0#e000e06&| +0#0000000&|o+0#e000e06&|n|e|l|i|n|e| +0#0000000&@59
+@57|3|7|,|7| @9|5@1|%| 
diff --git a/runtime/syntax/testdir/dumps/vim_syntax_03.dump b/runtime/syntax/testdir/dumps/vim_syntax_03.dump
new file mode 100644
index 0000000..b3a23dd
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/vim_syntax_03.dump
@@ -0,0 +1,20 @@
+| +0&#ffffff0@5|\+0#e000e06&| +0#0000000&|o+0#e000e06&|n|e|l|i|n|e| +0#0000000&@59
+@6|\+0#e000e06&| +0#0000000&|f+0#e000e06&|o|l|d| +0#0000000&@62
+@6|\+0#e000e06&| +0#0000000&|d+0#e000e06&|i|s|p|l|a|y| +0#0000000&@59
+@6|\+0#e000e06&| +0#0000000&|e+0#e000e06&|x|t|e|n|d| +0#0000000&@60
+@6|\+0#e000e06&| +0#0000000&|c+0#e000e06&|o|n|c|e|a|l|e|n|d|s| +0#0000000&@55
+@6>\+0#e000e06&| +0#0000000&|e+0#e000e06&|x|c|l|u|d|e|n|l| +0#0000000&@57
+@6|\+0#e000e06&| +0#0000000&|k+0#e000e06&|e@1|p|e|n|d| +0#0000000&@59
+@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&|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#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#e000e06&| +0#0000000&|n+0#e000e06&|e|x|t|g|r|o|u|p|=| +0#0000000&@56
+@57|5@1|,|7| @9|8|7|%| 
diff --git a/runtime/syntax/testdir/dumps/vim_syntax_99.dump b/runtime/syntax/testdir/dumps/vim_syntax_99.dump
new file mode 100644
index 0000000..c50589d
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/vim_syntax_99.dump
@@ -0,0 +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
+@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#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#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| 
diff --git a/runtime/syntax/testdir/dumps/vim_variables_03.dump b/runtime/syntax/testdir/dumps/vim_variables_03.dump
index 3260c37..3e8d21c 100644
--- a/runtime/syntax/testdir/dumps/vim_variables_03.dump
+++ b/runtime/syntax/testdir/dumps/vim_variables_03.dump
@@ -1,5 +1,5 @@
 |l+0#af5f00255#ffffff0|e|t| +0#0000000&|[|f+0#00e0e07&|o@1|,+0#0000000&| @65
-| +0#e000e06&@5|\| +0#0000000&|b+0#00e0e07&|a|r|]+0#0000000&| |=+0#af5f00255&| +0#0000000&|e|x|p|r| @55
+@6|\+0#e000e06&| +0#0000000&|b+0#00e0e07&|a|r|]+0#0000000&| |=+0#af5f00255&| +0#0000000&|e|x|p|r| @55
 @75
 |l+0#af5f00255&|e|t| +0#0000000&|[|f+0#00e0e07&|o@1|,+0#0000000&| |b+0#00e0e07&|a|r|]+0#0000000&| |.+0#af5f00255&|=| +0#0000000&|e|x|p|r| @52
 |l+0#af5f00255&|e|t| +0#0000000&|[|f+0#00e0e07&|o@1|,+0#0000000&| |b+0#00e0e07&|a|r|]+0#0000000&| |++0#af5f00255&|=| +0#0000000&|e|x|p|r| @52
@@ -7,8 +7,8 @@
 @75
 |l+0#af5f00255&|e|t| +0#0000000&|[|f+0#00e0e07&|o@1|,+0#0000000&| |b+0#00e0e07&|a|r|;+0#0000000&| |b+0#00e0e07&|a|z|]+0#0000000&| |=+0#af5f00255&| +0#0000000&|e|x|p|r| @48
 |l+0#af5f00255&|e|t| +0#0000000&|[|f+0#00e0e07&|o@1|,+0#0000000&| @65
-| +0#e000e06&@5|\| +0#0000000&|b+0#00e0e07&|a|r|;+0#0000000&| @62
-| +0#e000e06&@5|\| +0#0000000&|b+0#00e0e07&|a|z|]+0#0000000&| |=+0#af5f00255&| +0#0000000&|e|x|p|r| @55
+@6|\+0#e000e06&| +0#0000000&|b+0#00e0e07&|a|r|;+0#0000000&| @62
+@6|\+0#e000e06&| +0#0000000&|b+0#00e0e07&|a|z|]+0#0000000&| |=+0#af5f00255&| +0#0000000&|e|x|p|r| @55
 @75
 |l+0#af5f00255&|e|t| +0#0000000&|[|f+0#00e0e07&|o@1|,+0#0000000&| |b+0#00e0e07&|a|r|;+0#0000000&| |b+0#00e0e07&|a|z|]+0#0000000&| |.+0#af5f00255&|=| +0#0000000&|e|x|p|r| @47
 |l+0#af5f00255&|e|t| +0#0000000&|[|f+0#00e0e07&|o@1|,+0#0000000&| |b+0#00e0e07&|a|r|;+0#0000000&| |b+0#00e0e07&|a|z|]+0#0000000&| |++0#af5f00255&|=| +0#0000000&|e|x|p|r| @47
diff --git a/runtime/syntax/testdir/dumps/vim_variables_05.dump b/runtime/syntax/testdir/dumps/vim_variables_05.dump
index 7a93260..8254fbe 100644
--- a/runtime/syntax/testdir/dumps/vim_variables_05.dump
+++ b/runtime/syntax/testdir/dumps/vim_variables_05.dump
@@ -2,12 +2,12 @@
 |u+0#af5f00255&|n|l|e|t| +0#0000000&|f+0#00e0e07&|o@1| +0#0000000&@65
 |u+0#af5f00255&|n|l|e|t| +0#0000000&|f+0#00e0e07&|o@1| +0#0000000&|b+0#00e0e07&|a|r| +0#0000000&@61
 |u+0#af5f00255&|n|l|e|t| +0#0000000&|f+0#00e0e07&|o@1| +0#0000000&@65
-| +0#e000e06&@5|\| +0#0000000&|b+0#00e0e07&|a|r| +0#0000000&@63
+@6|\+0#e000e06&| +0#0000000&|b+0#00e0e07&|a|r| +0#0000000&@63
 > @74
 |u+0#af5f00255&|n|l|e|t|!| +0#0000000&|f+0#00e0e07&|o@1| +0#0000000&@64
 |u+0#af5f00255&|n|l|e|t|!| +0#0000000&|f+0#00e0e07&|o@1| +0#0000000&|b+0#00e0e07&|a|r| +0#0000000&@60
 |u+0#af5f00255&|n|l|e|t|!| +0#0000000&|f+0#00e0e07&|o@1| +0#0000000&@64
-| +0#e000e06&@5|\| +0#0000000&|b+0#00e0e07&|a|r| +0#0000000&@63
+@6|\+0#e000e06&| +0#0000000&|b+0#00e0e07&|a|r| +0#0000000&@63
 @75
 |u+0#af5f00255&|n|l|e|t| +0#0000000&|$+0#e000e06&|F|O@1| +0#0000000&@64
 |u+0#af5f00255&|n|l|e|t|!| +0#0000000&|$+0#e000e06&|F|O@1| +0#0000000&@63
diff --git a/runtime/syntax/testdir/input/vim_syntax.vim b/runtime/syntax/testdir/input/vim_syntax.vim
new file mode 100644
index 0000000..e8c112c
--- /dev/null
+++ b/runtime/syntax/testdir/input/vim_syntax.vim
@@ -0,0 +1,75 @@
+" Vim :syntax highlighting
+
+syn keyword testKeyword
+      \ conceal
+      \ cchar=&
+      \ contained
+      \ containedin=testContainer
+      \ nextgroup=testNext,@testCluster
+      \ transparent
+      \ skipwhite
+      \ skipempty
+      \ skipnl
+      \ keyword1
+      \ keyword2
+      \ keyword3
+
+syn match testMatch
+      \ "pattern"
+      \ conceal
+      \ cchar=&
+      \ contained
+      \ containedin=testContainer
+      \ nextgroup=testNext,@testCluster
+      \ transparent
+      \ skipwhite
+      \ skipempty
+      \ skipnl
+      \ contains=testContained1,testContained2
+      \ fold
+      \ display
+      \ extend
+      \ excludenl
+      \ keepend
+
+syn region testRegion
+      \ start="start-pattern"
+      \ end="end-pattern"
+      \ skip="skip-pattern"
+      \ contained
+      \ conceal
+      \ cchar=&
+      \ contained
+      \ containedin=testContainer
+      \ nextgroup=testNext,@testCluster
+      \ transparent
+      \ skipwhite
+      \ skipempty
+      \ skipnl
+      \ contains=testContained1,testContained2
+      \ oneline
+      \ fold
+      \ display
+      \ extend
+      \ concealends
+      \ excludenl
+      \ keepend
+
+syn cluster testCluster
+      \ contains=testContained1,testContained2,testContained3
+
+syn cluster testCluster
+      \ add=testAdd
+      \ remove=testRemove
+
+
+" check multiline group list
+syn keyword testKeyword
+      \ nextgroup=
+      \ testNext , 
+      \ testNext2 , 
+      \ @testCluster 
+      \ skipwhite
+      \ keyword4
+      \ keyword5
+      \ keyword6