Update TypeScript.YAML-tmLanguage

Author: DanielRosenwasser

TypeScript.YAML-tmLanguage

@@ -415,10 +415,10 @@ repository:
 
   cast:
     name: cast.expr.ts
-    # To differentiate a cast vs a relational <, this regexp tries to use the surrounding context
-    # If < is preceeded by 'return', 'throw', 'yield' its most likely a type assertion
-    # An '=', '(', ',', ':', or '>' character followed by '<' is likely a type assertion, as otherwise its a syntax error
-    # '<=' and '<<=' are definately not type assertions, as they are assignment operators.
+    # We need to differentiate between the relational '<' operator and the beginning of a type assertion/cast using the surrounding context.
+    # If '<' is preceeded by 'return', 'throw', 'yield', or 'await', it's most likely a type assertion
+    # If '=', '(', ',', ':', or '>' are followed by a '<', it is also likely a type assertion as otherwise it would be a syntax error
+    # '<=' and '<<=' are cannot be type assertions, as they are assignment operators.
     begin: '(?:(?<=return|throw|yield|await|[=(,:>]))\s*(<)(?!<?\=)'
     beginCaptures:
       '1': { name: meta.brace.angle.ts }
@@ -618,4 +618,4 @@ repository:
     name: storage.type.property.ts
     match: \b(get|set)\b
 
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