message: Delegate debug implementation for InternedString
diff: @@ -70,13 +70,13 @@ impl Hash for InternedString {
  impl fmt::Debug for InternedString {
  fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
  - write!(f, "InternedString {{ {} }}", self.to_inner())
  + fmt::Debug::fmt(self.to_inner(), f)
  }
  }
  impl fmt::Display for InternedString {
  fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
  - write!(f, "{}", self.to_inner())
  + fmt::Display::fmt(self.to_inner(), f)
  }
  }
  