The '<i>&</i>' separates the the key-value pairs, while certain (like '<i>+</i>', '<i>!</i>' and the <i>space</i> symbol) are encoded in UTF-8.
+
The '<i>&</i>' symbol separates the the key-value pairs, while certain characters (like '<i>+</i>', '<i>!</i>' and the <i>space</i> symbol) are encoded in UTF-8.