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// PubSub
(function( $ ) {
	var o = $( {} );
 
	$.each({
		trigger: 'publish',
		on: 'subscribe',
		off: 'unsubscribe'
	}, function( key, val ) {
		jQuery[val] = function() {
			o[key].apply( o, arguments );
		};
	});
})( jQuery );