Address review comments

Author: odersky

compiler/src/dotty/tools/dotc/parsing/Parsers.scala

@@ -1673,7 +1673,7 @@ object Parsers {
       infixOps(t, canStartInfixTypeTokens, refinedTypeFn, Location.ElseWhere, ParseKind.Type,
         isOperator = !followingIsVararg() && !isPureArrow)
 
-    /** RefinedType   ::=  WithType {[nl] (Refinement} [`^` CaptureSet]
+    /** RefinedType   ::=  WithType {[nl] Refinement} [`^` CaptureSet]
      */
     val refinedTypeFn: Location => Tree = _ => refinedType()
 

tests/neg-custom-args/boxmap.scala

@@ -16,6 +16,6 @@ def test[A <: Top, B <: Top] =
   def lazymap[A <: Top, B <: Top](b: Box[A])(f: A => B) =
     () => b[Box[B]]((x: A) => box(f(x)))
   val x0: (b: Box[A]) -> (f: A => B) -> (() -> Box[B]) = lazymap[A, B]  // error
-  val x: (b: Box[A]) -> (f: A => B) ->{b, f} (() -> Box[B]) = lazymap[A, B]  // works
-  val y: (b: Box[A]) -> (f: A => B) ->{cap} (() -> Box[B]) = lazymap[A, B]  // works
+  val x: (b: Box[A]) -> (f: A => B) -> (() ->{b, f} Box[B]) = lazymap[A, B]  // works
+  val y: (b: Box[A]) -> (f: A => B) -> (() ->{cap} Box[B]) = lazymap[A, B]  // works
   ()