code: function ReadyStateChangeEvent(s, p, n) {
  	/**
  	 *	The object that emitted the readystatechange event.
  	 *
  	 *	@type {UnicodeData}
  	 */
  	this.sender = s;
  	/**
  	 *	The previous ready state of the sender.
  	 *
  	 *	@type {ReadyState}
  	 */
  	this.prev = p;
  	/**
  	 *	The new (current) ready state of the sender.
  	 *
  	 *	@type {ReadyState}
  	 */
  	this.next = n;
  }
docs: Encapsulates arguments to the {@Link UnicodeData} object’s {@link readystatechange} event.
  
  @class
  @constructor
  @param s {UnicodeData} the object that emitted the event, i.e., the sender
  @param p {ReadyState} the previous ready state
  @param n {ReadyState} the new ready state