code: func createLinkEntry(origURL string, maxEntries int, lastEntry string) (string, error) {
  	calledURL, err := url.Parse(origURL)
  	if err != nil {
  		return "", err
  	}
  
  	v := url.Values{}
  	v.Add("n", strconv.Itoa(maxEntries))
  	v.Add("last", lastEntry)
  
  	calledURL.RawQuery = v.Encode()
  
  	calledURL.Fragment = ""
  	urlStr := fmt.Sprintf("<%s>; rel=\"next\"", calledURL.String())
  
  	return urlStr, nil
  }
docs: // Use the original URL from the request to create a new URL for
  // the link header