code: def contains_unquoted_target(x: str,
                               quote: str = '"', target: str = '&') -> bool:
      
      in_quote = False
      for c in x:
          if c == quote:
              in_quote = not in_quote
          elif c == target:
              if not in_quote:
                  return True
      return False
docs: Checks if ``target`` exists in ``x`` outside quotes (as defined by
      ``quote``). Principal use: from
      :func:`contains_unquoted_ampersand_dangerous_to_windows`.