Increase one more level of <> detection in typeparameters

Fixes #744

Author: sheetalkamat

TypeScript.YAML-tmLanguage

@@ -61,7 +61,7 @@ variables:
   lookBehindOfObjectMemberPossiblyMultilineArrow: (?<=:)
   # Identifier start | matching braces | matching parenthesis | matching square brackets
   typeParamersStart: ([_$[:alpha:]]|{{matchingBraces}}|{{matchingParenthesis}}|{{matchingBrackets}})
-  typeParameters: (<\s*{{typeParamersStart}}([^=<>]|=[^<]|\<\s*{{typeParamersStart}}([^=<>]|=[^<])*\>)*>\s*)
+  typeParameters: (<\s*{{typeParamersStart}}([^=<>]|=[^<]|\<\s*{{typeParamersStart}}([^=<>]|=[^<]|\<\s*{{typeParamersStart}}([^=<>]|=[^<])*\>)*\>)*>\s*)
   # Identifier start | matching braces | matching parenthesis | matching square brackets | matching strings
   typeArgumentsStart: (((keyof|infer|typeof)\s+)|(({{identifier}}|{{matchingBraces}}|{{matchingParenthesis}}|{{matchingBrackets}}|(\'[^\']*\')|(\"[^\"]*\")|(\`[^\`]*\`))(?=\s*([\<\>\,\.\[]|=>|&(?!&)|\|(?!\|)))))
   typeArgumentsInnerExpressionPart: '[^<>\(]|{{matchingParenthesis}}|(?<==)\>'