Add converted syntax files

runtime/syntax/vi.yaml

@@ -1,29 +1,13 @@
 filetype: vi
 
-detect:
+detect: 
     filename: "(^|/|\\.)(ex|vim)rc$|\\.vim"
 
 rules:
     - identifier: "[A-Za-z_][A-Za-z0-9_]*[[:space:]]*[()]"
     - statement: "\\b([nvxsoilc]?(nore|un)?map|[nvlx]n|[ico]?no|[cilovx][um]|s?unm)\\b"
     - statement: "\\b(snor|nun|nm|set|if|endif|let|unlet)\\b"
-    - statement: "[!&=]"
+    - symbol.operator: "[!&=]"
+    - constant.string: "\"(\\\\.|[^\"])*\"|'(\\\\.|[^'])*'"
     - constant.number: "\\b[0-9]+\\b"
-
-    - constant.string:
-        start: "\""
-        end: "\""
-        rules:
-            - constant.specialChar: "\\\\."
-
-    - constant.string:
-        start: "'"
-        end: "'"
-        rules:
-            - constant.specialChar: "\\\\."
-
-    - constant.comment:
-        start: "\""
-        end: "$"
-        rules: []
-        
+    - comment: "(^|[[:space:]])\\\"[^\"]*$"