v.Add("cat sounds", "meow")
	v.Add("cat sounds", "mew/")
	v.Add("cat sounds", "mau$")
	fmt.Println(v.Encode())

	// Output:
	// cat+sounds=meow&cat+sounds=mew%2F&cat+sounds=mau%24
}

func ExampleValues_Get() {
	v := url.Values{}
	v.Add("cat sounds", "meow")
	v.Add("cat sounds", "mew")
	v.Add("cat sounds", "mau")
	fmt.Printf("%q\n", v.Get("cat sounds"))
	fmt.Printf("%q\n", v.Get("dog sounds"))