def pfeedback(self, msg: str) -> None:
        """For printing nonessential feedback.  Can be silenced with `quiet`.
           Inclusion in redirected output is controlled by `feedback_to_output`."""
        if not self.quiet:
            if self.feedback_to_output:
                self.poutput(msg)
            else:
                self.decolorized_write(sys.stderr, "{}\n".format(msg))