runtime(vim): Update syntax and ftplugin files (#13924)

Improve matching of line-continuations and interspersed comments.

These are now also matched in multiline syntax command patterns,
dictionary literals, and parenthesised expressions and argument lists.

Signed-off-by: Doug Kearns <dougkearns@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>

17 files changed, 440 insertions, 119 deletions

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 0000000000..7733c0b1a5
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/vim_line_continuation_00.dump
@@ -0,0 +1,20 @@
+>"+0#0000e05#ffffff0| |V|i|m| |l|i|n|e| |c|o|n|t|i|n|u|a|t|i|o|n|s| |w|i|t|h| |i|n|t|e|r|s|p|e|r|s|e|d| |c|o|m@1|e|n|t|s| +0#0000000&@23
+@75
+|f+0#af5f00255&|u|n|c|t|i|o|n| +0#0000000&|F|o@1|(+0#e000e06&| +0#0000000&@61
+@6|"+0#0000e05&|\| |p|a|r|a|m| |a| +0#0000000&@58
+@6|\+0#e000e06&| +0#0000000&|a+0#00e0e07&|,+0#0000000&| @64
+@6|"+0#0000e05&|\| |p|a|r|a|m| |b| +0#0000000&@58
+@6|\+0#e000e06&| +0#0000000&|b+0#00e0e07&|,+0#0000000&| @64
+@6|"+0#0000e05&|\| |p|a|r|a|m| |c| +0#0000000&@58
+@6|\+0#e000e06&| +0#0000000&|c+0#00e0e07&| +0#0000000&@65
+@6|\+0#e000e06&|)| +0#0000000&@66
+@2|e+0#af5f00255&|c|h|o|m|s|g| +0#0000000&@65
+| +0#0000e05&@7|"|\| |s|t|a|r|t| |s|t|r|i|n|g| +0#0000000&@51
+@8|\+0#e000e06&| +0#0000000&|$|"| @62
+| +0#0000e05&@7|"|\| |p|r|i|n|t| |a| +0#0000000&@56
+@8|\+0#e000e06&| +0#0000000&|a+0#af5f00255&| +0#0000000&|=+0#af5f00255&| +0#0000000&|{+0#e000e06&|a+0#00e0e07&|:|a|}+0#e000e06&|,+0#0000000&| @54
+| +0#0000e05&@7|"|\| |p|r|i|n|t| |b| +0#0000000&@56
+@8|\+0#e000e06&| +0#0000000&|b+0#af5f00255&| +0#0000000&|=+0#af5f00255&| +0#0000000&|{+0#e000e06&|a+0#00e0e07&|:|b|}+0#e000e06&|,+0#0000000&| @54
+| +0#0000e05&@7|"|\| |p|r|i|n|t| |c| +0#0000000&@56
+@8|\+0#e000e06&| +0#0000000&|c+0#af5f00255&| +0#0000000&|=+0#af5f00255&| +0#0000000&|{+0#e000e06&|a+0#00e0e07&|:|c|}+0#e000e06&| +0#0000000&@55
+|"|i|n|p|u|t|/|v|i|m|_|l|i|n|e|_|c|o|n|t|i|n|u|a|t|i|o|n|.|v|i|m|"| |4|9|L|,| |6|2|6|B| @13|1|,|1| @10|T|o|p| 
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 0000000000..a2e4820acb
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/vim_line_continuation_01.dump
@@ -0,0 +1,20 @@
+| +0#0000e05#ffffff0@7|"|\| |p|r|i|n|t| |a| +0#0000000&@56
+@8|\+0#e000e06&| +0#0000000&|a+0#af5f00255&| +0#0000000&|=+0#af5f00255&| +0#0000000&|{+0#e000e06&|a+0#00e0e07&|:|a|}+0#e000e06&|,+0#0000000&| @54
+| +0#0000e05&@7|"|\| |p|r|i|n|t| |b| +0#0000000&@56
+@8|\+0#e000e06&| +0#0000000&|b+0#af5f00255&| +0#0000000&|=+0#af5f00255&| +0#0000000&|{+0#e000e06&|a+0#00e0e07&|:|b|}+0#e000e06&|,+0#0000000&| @54
+| +0#0000e05&@7|"|\| |p|r|i|n|t| |c| +0#0000000&@56
+@8>\+0#e000e06&| +0#0000000&|c+0#af5f00255&| +0#0000000&|=+0#af5f00255&| +0#0000000&|{+0#e000e06&|a+0#00e0e07&|:|c|}+0#e000e06&| +0#0000000&@55
+| +0#0000e05&@7|"|\| |e|n|d| |s|t|r|i|n|g| +0#0000000&@53
+@8|\+0#e000e06&|"+0#0000000&| @64
+|e+0#af5f00255&|n|d|f|u|n|c|t|i|o|n| +0#0000000&@63
+@75
+|c+0#af5f00255&|a|l@1| +0#0000000&|F|o@1|(+0#e000e06&| +0#0000000&@65
+@6|"+0#0000e05&|\| |a|r|g| |1| +0#0000000&@60
+@6|\+0#e000e06&| +0#0000000&|1+0#e000002&@1|,+0#0000000&| @63
+@6|"+0#0000e05&|\| |a|r|g| |2| +0#0000000&@60
+@6|\+0#e000e06&| +0#0000000&|2+0#e000002&@1|,+0#0000000&| @63
+@6|"+0#0000e05&|\| |a|r|g| |3| +0#0000000&@60
+@6|\+0#e000e06&| +0#0000000&|3+0#e000002&@1| +0#0000000&@64
+@6|\+0#e000e06&|)| +0#0000000&@66
+@75
+@57|1|9|,|2|-|9| @7|4|3|%| 
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 0000000000..c4ceded842
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/vim_line_continuation_02.dump
@@ -0,0 +1,20 @@
+| +0&#ffffff0@74
+|l+0#af5f00255&|e|t| +0#0000000&|d+0#00e0e07&|i|c|t| +0#0000000&|=+0#af5f00255&| +0#0000000&|#+0#e000e06&|{| +0#0000000&@61
+@6|"+0#0000e05&|\| |p|a|i|r| |1| +0#0000000&@59
+@6|\+0#e000e06&| +0#0000000&|a+0#00e0e07&|:+0#0000000&| |1+0#e000002&|,+0#0000000&| @61
+@6|"+0#0000e05&|\| |p|a|i|r| |2| +0#0000000&@59
+@6>\+0#e000e06&| +0#0000000&|b+0#00e0e07&|:+0#0000000&| |2+0#e000002&|,+0#0000000&| @61
+@6|"+0#0000e05&|\| |p|a|i|r| |3| +0#0000000&@59
+@6|\+0#e000e06&| +0#0000000&|c+0#00e0e07&|:+0#0000000&| |3+0#e000002&| +0#0000000&@62
+@6|\+0#e000e06&|}| +0#0000000&@66
+@75
+|l+0#af5f00255&|e|t| +0#0000000&|a+0#00e0e07&|r@1|a|y| +0#0000000&|=+0#af5f00255&| +0#0000000&|[| @61
+| +0#0000e05&@5|"|\| |e|l|e|m|e|n|t| |1| +0#0000000&@56
+@6|\+0#e000e06&| +0#0000000&|1+0#e000002&|,+0#0000000&| @64
+| +0#0000e05&@5|"|\| |e|l|e|m|e|n|t| |2| +0#0000000&@56
+@6|\+0#e000e06&| +0#0000000&|2+0#e000002&|,+0#0000000&| @64
+| +0#0000e05&@5|"|\| |e|l|e|m|e|n|t| |3| +0#0000000&@56
+@6|\+0#e000e06&| +0#0000000&|3+0#e000002&| +0#0000000&@65
+@6|\+0#e000e06&|]+0#0000000&| @66
+|~+0#4040ff13&| @73
+| +0#0000000&@56|3|7|,|7| @9|B|o|t| 
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 0000000000..05ea46454a
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/vim_line_continuation_99.dump
@@ -0,0 +1,20 @@
+| +0&#ffffff0@5|\+0#e000e06&|)| +0#0000000&@66
+@75
+|l+0#af5f00255&|e|t| +0#0000000&|d+0#00e0e07&|i|c|t| +0#0000000&|=+0#af5f00255&| +0#0000000&|#+0#e000e06&|{| +0#0000000&@61
+@6|"+0#0000e05&|\| |p|a|i|r| |1| +0#0000000&@59
+@6|\+0#e000e06&| +0#0000000&|a+0#00e0e07&|:+0#0000000&| |1+0#e000002&|,+0#0000000&| @61
+@6|"+0#0000e05&|\| |p|a|i|r| |2| +0#0000000&@59
+@6|\+0#e000e06&| +0#0000000&|b+0#00e0e07&|:+0#0000000&| |2+0#e000002&|,+0#0000000&| @61
+@6|"+0#0000e05&|\| |p|a|i|r| |3| +0#0000000&@59
+@6|\+0#e000e06&| +0#0000000&|c+0#00e0e07&|:+0#0000000&| |3+0#e000002&| +0#0000000&@62
+@6|\+0#e000e06&|}| +0#0000000&@66
+@75
+|l+0#af5f00255&|e|t| +0#0000000&|a+0#00e0e07&|r@1|a|y| +0#0000000&|=+0#af5f00255&| +0#0000000&|[| @61
+| +0#0000e05&@5|"|\| |e|l|e|m|e|n|t| |1| +0#0000000&@56
+@6|\+0#e000e06&| +0#0000000&|1+0#e000002&|,+0#0000000&| @64
+| +0#0000e05&@5|"|\| |e|l|e|m|e|n|t| |2| +0#0000000&@56
+@6|\+0#e000e06&| +0#0000000&|2+0#e000002&|,+0#0000000&| @64
+| +0#0000e05&@5|"|\| |e|l|e|m|e|n|t| |3| +0#0000000&@56
+@6|\+0#e000e06&| +0#0000000&|3+0#e000002&| +0#0000000&@65
+@6>\+0#e000e06&|]+0#0000000&| @66
+@57|4|9|,|7| @9|B|o|t| 
diff --git a/runtime/syntax/testdir/dumps/vim_syntax_00.dump b/runtime/syntax/testdir/dumps/vim_syntax_00.dump
index db529678e5..21dcc8893c 100644
--- a/runtime/syntax/testdir/dumps/vim_syntax_00.dump
+++ b/runtime/syntax/testdir/dumps/vim_syntax_00.dump
@@ -1,20 +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
+>"+0#0000e05#ffffff0| |V|i|m| |:|s|y|n|t|a|x| |c|o|m@1|a|n|d| +0#0000000&@53
+@75
+|s+0#af5f00255&|y|n| +0#0000000&|m+0#00e0003&|a|t|c|h| +0#0000000&|t+0#00e0003&|e|s|t|M|a|t|c|h| +0#0000000&|"+0#e000002&|p|a|t@1|e|r|n|"| +0#0000000&|c+0#e000e06&|o|n|t|a|i|n|e|d| +0#0000000&|"+0#0000e05&| |t|a|i|l| |c|o|m@1|e|n|t| +0#0000000&@20
+|"+0#0000e05&| +0#0000000&|N+0#e000e06&|O|T|E|:| +0#0000e05&|c|o|m@1|e|n|t|s| |n|o|t| |c|u|r@1|e|n|t|l|y| |s|u|p@1|o|r|t|e|d| +0#0000000&@34
+|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&|k|e|y|w|o|r|d| |c+0#e000e06&|o|n|t|a|i|n|e|d| +0#0000000&|"| |t|a|i|l| |c|o|m@1|e|n|t| @18
+|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&|s+0#00e0003&|t|a|r|t|=|"+0#e000002&|s|t|a|r|t|-|p|a|t@1|e|r|n|"| +0#0000000&|s+0#00e0003&|k|i|p|=|"+0#e000002&|s|k|i|p|-|p|a|t@1|e|r|n|"| +0#0000000&|e+0#00e0003&|n|d|=|"+0#e000002&|e|n|d|-|p|a
+|t@1|e|r|n|"| +0#0000000&|c+0#e000e06&|o|n|t|a|i|n|e|d| +0#0000000&|"| |t|a|i|l| |c|o|m@1|e|n|t| @43
+@75
+|"+0#0000e05&| |M|u|l|t|i|l|i|n|e| |c|o|m@1|a|n|d|s| +0#0000000&@54
 @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&|\| |O|P|T|I|O|N|S| +0#0000000&@58
+@6|"+0#0000e05&|\| |c|o|n|c|e|a|l| |o|p|t|i|o|n| +0#0000000&@51
 @6|\+0#e000e06&| +0#0000000&|c+0#e000e06&|o|n|c|e|a|l| +0#0000000&@59
+@6|"+0#0000e05&|\| |c@1|h|a|r| |o|p|t|i|o|n| +0#0000000&@53
 @6|\+0#e000e06&| +0#0000000&|c+0#e000e06&@1|h|a|r|=|&+0#e000002&| +0#0000000&@59
+@6|"+0#0000e05&|\| |c|o|n|t|a|i|n|e|d| |o|p|t|i|o|n| +0#0000000&@49
 @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&|k|e|y|w|o|r|d|1| @58
-@6|\+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
-@75
-|s+0#af5f00255&|y|n| +0#0000000&|m+0#00e0003&|a|t|c|h| +0#0000000&|t+0#00e0003&|e|s|t|M|a|t|c|h| +0#0000000&@55
-@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| 
+@6|"+0#0000e05&|\| |c|o|n|t|a|i|n|e|d|i|n| |o|p|t|i|o|n| +0#0000000&@47
+|"|i|n|p|u|t|/|v|i|m|_|s|y|n|t|a|x|.|v|i|m|"| |1|6|4|L|,| |3|7|2|9|B| @22|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
index e09801dff0..800e4a709f 100644
--- a/runtime/syntax/testdir/dumps/vim_syntax_01.dump
+++ b/runtime/syntax/testdir/dumps/vim_syntax_01.dump
@@ -1,20 +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
-@75
-|s+0#af5f00255&|y|n| +0#0000000&|m+0#00e0003&|a|t|c|h| +0#0000000&|t+0#00e0003&|e|s|t|M|a|t|c|h| +0#0000000&@55
-@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
+| +0&#ffffff0@5|"+0#0000e05&|\| |c@1|h|a|r| |o|p|t|i|o|n| +0#0000000&@53
 @6|\+0#e000e06&| +0#0000000&|c+0#e000e06&@1|h|a|r|=|&+0#e000002&| +0#0000000&@59
+@6|"+0#0000e05&|\| |c|o|n|t|a|i|n|e|d| |o|p|t|i|o|n| +0#0000000&@49
 @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#0000e05&|\| |c|o|n|t|a|i|n|e|d|i|n| |o|p|t|i|o|n| +0#0000000&@47
+@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#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|=|t+0#0000000&|e|s|t|N|e|x|t|0|,|@|t|e|s|t|C|l|u|s|t|e|r| @34
+@6|"+0#0000e05&|\| |t|r|a|n|s|p|a|r|e|n|t| |o|p|t|i|o|n| +0#0000000&@47
 @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
+@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
 @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&|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|%| 
+@6|"+0#0000e05&|\| |K|E|Y|W|O|R|D|S| |L|I|S|T| +0#0000000&@52
+@6|"+0#0000e05&|\| |k|e|y|w|o|r|d| |1| +0#0000000&@56
+@6|\+0#e000e06&| +0#0000000&|k|e|y|w|o|r|d|1| @58
+@57|1|9|,|7| @10|8|%| 
diff --git a/runtime/syntax/testdir/dumps/vim_syntax_02.dump b/runtime/syntax/testdir/dumps/vim_syntax_02.dump
index 063a33b767..1caffc1e09 100644
--- a/runtime/syntax/testdir/dumps/vim_syntax_02.dump
+++ b/runtime/syntax/testdir/dumps/vim_syntax_02.dump
@@ -1,20 +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|%| 
+| +0&#ffffff0@5|\+0#e000e06&| +0#0000000&|k|e|y|w|o|r|d|1| @58
+@6|"+0#0000e05&|\| |k|e|y|w|o|r|d| |2| +0#0000000&@56
+@6|\+0#e000e06&| +0#0000000&|k|e|y|w|o|r|d|2| @58
+@6|"+0#0000e05&|\| |k|e|y|w|o|r|d| |3| +0#0000000&@56
+@6|\+0#e000e06&| +0#0000000&|k|e|y|w|o|r|d|3| @58
+> @74
+|s+0#af5f00255&|y|n| +0#0000000&|m+0#00e0003&|a|t|c|h| +0#0000000&|t+0#00e0003&|e|s|t|M|a|t|c|h| +0#0000000&@55
+@6|"+0#0000e05&|\| |M|A|T|C|H| |P|A|T@1|E|R|N| +0#0000000&@52
+@6|"+0#0000e05&|\| |p|a|t@1|e|r|n| |s|t|a|r|t| +0#0000000&@52
+@6|\+0#e000e06&| +0#0000000&|/+0#e000002&| +0#0000000&@65
+| +0#e000002&@5|"+0#0000e05&|\| |p|a|r|t| |1| |d|e|s|c|r|i|p|t|i|o|n| +0#0000000&@47
+| +0#e000002&@5|\+0#e000e06&|p+0#e000002&|a|t|1|a| |.|*| |p|a|t|1|b| +0#0000000&@53
+| +0#e000002&@5|"+0#0000e05&|\| |p|a|r|t| |2| |d|e|s|c|r|i|p|t|i|o|n| +0#0000000&@47
+| +0#e000002&@5|\+0#e000e06&|p+0#e000002&|a|t|2|a| |.|*| |p|a|t|2|b| +0#0000000&@53
+| +0#e000002&@5|"+0#0000e05&|\| |p|a|r|t| |3| |d|e|s|c|r|i|p|t|i|o|n| +0#0000000&@47
+| +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
+@6|"+0#0000e05&|\| |O|P|T|I|O|N|S| +0#0000000&@58
+@57|3|7|,|0|-|1| @7|2|1|%| 
diff --git a/runtime/syntax/testdir/dumps/vim_syntax_03.dump b/runtime/syntax/testdir/dumps/vim_syntax_03.dump
index b3a23ddc72..31ab5274a1 100644
--- a/runtime/syntax/testdir/dumps/vim_syntax_03.dump
+++ b/runtime/syntax/testdir/dumps/vim_syntax_03.dump
@@ -1,20 +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|%| 
+| +0&#ffffff0@5|"+0#0000e05&|\| |O|P|T|I|O|N|S| +0#0000000&@58
+@6|"+0#0000e05&|\| |c|o|n|c|e|a|l| |o|p|t|i|o|n| +0#0000000&@51
+@6|\+0#e000e06&| +0#0000000&|c+0#e000e06&|o|n|c|e|a|l| +0#0000000&@59
+@6|"+0#0000e05&|\| |c@1|h|a|r| |o|p|t|i|o|n| +0#0000000&@53
+@6|\+0#e000e06&| +0#0000000&|c+0#e000e06&@1|h|a|r|=|&+0#e000002&| +0#0000000&@59
+@6>"+0#0000e05&|\| |c|o|n|t|a|i|n|e|d| |o|p|t|i|o|n| +0#0000000&@49
+@6|\+0#e000e06&| +0#0000000&|c+0#e000e06&|o|n|t|a|i|n|e|d| +0#0000000&@57
+@6|"+0#0000e05&|\| |c|o|n|t|a|i|n|e|d|i|n| |o|p|t|i|o|n| +0#0000000&@47
+@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#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|=|t+0#0000000&|e|s|t|N|e|x|t|0|,|@|t|e|s|t|C|l|u|s|t|e|r| @34
+@6|"+0#0000e05&|\| |t|r|a|n|s|p|a|r|e|n|t| |o|p|t|i|o|n| +0#0000000&@47
+@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
+@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
+@6|\+0#e000e06&| +0#0000000&|s+0#e000e06&|k|i|p|n|l| +0#0000000&@60
+@57|5@1|,|7| @9|3@1|%| 
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 0000000000..d5d9f4074c
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/vim_syntax_04.dump
@@ -0,0 +1,20 @@
+| +0&#ffffff0@5|\+0#e000e06&| +0#0000000&|s+0#e000e06&|k|i|p|n|l| +0#0000000&@60
+@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| @28
+@6|"+0#0000e05&|\| |f|o|l|d| |o|p|t|i|o|n| +0#0000000&@54
+@6|\+0#e000e06&| +0#0000000&|f+0#e000e06&|o|l|d| +0#0000000&@62
+@6>"+0#0000e05&|\| |d|i|s|p|l|a|y| |o|p|t|i|o|n| +0#0000000&@51
+@6|\+0#e000e06&| +0#0000000&|d+0#e000e06&|i|s|p|l|a|y| +0#0000000&@59
+@6|"+0#0000e05&|\| |e|x|t|e|n|d| |o|p|t|i|o|n| +0#0000000&@52
+@6|\+0#e000e06&| +0#0000000&|e+0#e000e06&|x|t|e|n|d| +0#0000000&@60
+@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
+@6|"+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
+|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&|\| |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
+@6|"+0#0000e05&|\| |s|k|i|p| |o|p|t|i|o|n| +0#0000000&@54
+@57|7|3|,|7| @9|4|6|%| 
diff --git a/runtime/syntax/testdir/dumps/vim_syntax_05.dump b/runtime/syntax/testdir/dumps/vim_syntax_05.dump
new file mode 100644
index 0000000000..47d60c2e1e
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/vim_syntax_05.dump
@@ -0,0 +1,20 @@
+| +0&#ffffff0@5|"+0#0000e05&|\| |s|k|i|p| |o|p|t|i|o|n| +0#0000000&@54
+@6|\+0#e000e06&| +0#0000000&|s+0#00e0003&|k|i|p|=|"+0#e000002&|s|k|i|p|-|p|a|t@1|e|r|n|"| +0#0000000&@47
+@6|"+0#0000e05&|\| |e|n|d| |o|p|t|i|o|n| +0#0000000&@55
+@6|\+0#e000e06&| +0#0000000&|e+0#00e0003&|n|d|=|"+0#e000002&|e|n|d|-|p|a|t@1|e|r|n|"| +0#0000000&@49
+@6|"+0#0000e05&|\| |c|o|n|c|e|a|l| |o|p|t|i|o|n| +0#0000000&@51
+@6>\+0#e000e06&| +0#0000000&|c+0#e000e06&|o|n|c|e|a|l| +0#0000000&@59
+@6|"+0#0000e05&|\| |c@1|h|a|r| |o|p|t|i|o|n| +0#0000000&@53
+@6|\+0#e000e06&| +0#0000000&|c+0#e000e06&@1|h|a|r|=|&+0#e000002&| +0#0000000&@59
+@6|"+0#0000e05&|\| |c|o|n|t|a|i|n|e|d| |o|p|t|i|o|n| +0#0000000&@49
+@6|\+0#e000e06&| +0#0000000&|c+0#e000e06&|o|n|t|a|i|n|e|d| +0#0000000&@57
+@6|"+0#0000e05&|\| |c|o|n|t|a|i|n|e|d|i|n| |o|p|t|i|o|n| +0#0000000&@47
+@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#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|=|t+0#0000000&|e|s|t|N|e|x|t|0|,|@|t|e|s|t|C|l|u|s|t|e|r| @34
+@6|"+0#0000e05&|\| |t|r|a|n|s|p|a|r|e|n|t| |o|p|t|i|o|n| +0#0000000&@47
+@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
+@6|"+0#0000e05&|\| |s|k|i|p|e|m|p|t|y| |o|p|t|i|o|n| +0#0000000&@49
+@57|9|1|,|7| @9|5|8|%| 
diff --git a/runtime/syntax/testdir/dumps/vim_syntax_06.dump b/runtime/syntax/testdir/dumps/vim_syntax_06.dump
new file mode 100644
index 0000000000..db1872ce7d
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/vim_syntax_06.dump
@@ -0,0 +1,20 @@
+| +0&#ffffff0@5|"+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
+@6|\+0#e000e06&| +0#0000000&|s+0#e000e06&|k|i|p|n|l| +0#0000000&@60
+@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| @28
+@6|"+0#0000e05&|\| |o|n|e|l|i|n|e| |o|p|t|i|o|n| +0#0000000&@51
+@6|\+0#e000e06&| +0#0000000&|o+0#e000e06&|n|e|l|i|n|e| +0#0000000&@59
+@6|"+0#0000e05&|\| |f|o|l|d| |o|p|t|i|o|n| +0#0000000&@54
+@6|\+0#e000e06&| +0#0000000&|f+0#e000e06&|o|l|d| +0#0000000&@62
+@6|"+0#0000e05&|\| |d|i|s|p|l|a|y| |o|p|t|i|o|n| +0#0000000&@51
+@6|\+0#e000e06&| +0#0000000&|d+0#e000e06&|i|s|p|l|a|y| +0#0000000&@59
+@6|"+0#0000e05&|\| |e|x|t|e|n|d| |o|p|t|i|o|n| +0#0000000&@52
+@6|\+0#e000e06&| +0#0000000&|e+0#e000e06&|x|t|e|n|d| +0#0000000&@60
+@6|"+0#0000e05&|\| |c|o|n|c|e|a|l|e|n|d|s| |o|p|t|i|o|n| +0#0000000&@47
+@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
+@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 0000000000..eb36317614
--- /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
+|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&|\| |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 0000000000..3906e5550e
--- /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 c50589d579..4ca16c6955 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 0000000000..a32666af34
--- /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 e8c112cea8..197d4ac9d9 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