// contain the original query string. If the Request was created in code, RequestURI
	// will be empty, and we will use the URL object instead
	u := req.URL
	if req.RequestURI != "" {
		parsedURL, err := url.ParseRequestURI(req.RequestURI)
		if err == nil {
			u = parsedURL
		}
	}
	return u
}

// copyURL provides update safe copy by avoiding shallow copying User field
func copyURL(i *url.URL) *url.URL {

pkg net/textproto, type Writer struct
pkg net/textproto, type Writer struct, W *bufio.Writer
pkg net/url, func Parse(string) (*URL, error)
pkg net/url, func ParseQuery(string) (Values, error)
pkg net/url, func ParseRequestURI(string) (*URL, error)
pkg net/url, func QueryEscape(string) string
pkg net/url, func QueryUnescape(string) (string, error)
pkg net/url, func User(string) *Userinfo