Script Encoder. Unsafe Relaxed Json Escaping Property
Unlike the Default encoder, this encoder instance does not escape HTML-sensitive characters such as <, >, &. As a result, it must be used cautiously; for example, it can be used if the output data is within a response whose content-type is known with a charset set to UTF-8.
Unlike the Default encoding, the quotation mark is encoded as \" rather than \u0022.
Unlike the Default encoder, this encoder instance allows some other characters (such as '+') to go through unescaped and therefore must be used cautiously.