Problems with recognizing '[] syntax

[Glavo]

scala> val a = '[Int] 
val a: scala.quoted.Type[Int] = Type(Int)

scala> '[Int] 
1 |'[Int]
  |^
  |Illegal start of statement

[nicolasstucki]

Same happens for

object Foo {
  val q = '[String]
  '[String] // error
}