message: recover `#[doc(hidden)]` attribute.
diff: @@ -171,6 +171,7 @@ compile_error!(
  if you want to use `client-ureq` you need to set `default-features = false`"
  );
  +#[doc(hidden)]
  mod macros {
  /// Create a **Hashset** from a list of &str(which will be converted to
  /// String internally), be used to create scope
  