code: func (rl *respLogger) Write(b []byte) (int, error) {
  	if !rl.statusRecorded {
  		rl.recordStatus(http.StatusOK) // Default if WriteHeader hasn't been called
  	}
  	if rl.captureErrorOutput {
  		rl.Addf("logging error output: %q\n", string(b))
  	}
  	return rl.w.Write(b)
  }
docs: // Write implements http.ResponseWriter.