docs: def rgstr_stamps_root(rgstr_stamps):
      """
      Register stamps with the root timer (see subdivision()).
  
      Args:
          rgstr_stamps (list, tuple): Collection of identifiers, passed through
              set(), then each is passed through str().
  
      Returns:
          list: Implemented registered stamp collection.
      """
      rgstr_stamps = sanitize_rgstr_stamps(rgstr_stamps)
      f.root.rgstr_stamps = rgstr_stamps
      return rgstr_stamps