DataTables - StripHtml Issue

HTML

<link rel="stylesheet" href="//cdn.datatables.net/1.10.8/css/dataTables.jqueryui.min.css">
<link rel="stylesheet" href="//cdn.datatables.net/buttons/1.0.1/css/buttons.jqueryui.min.css">
<script src="//cdn.datatables.net/1.10.8/js/jquery.dataTables.min.js"></script>
<script src="//cdn.datatables.net/1.10.8/js/dataTables.jqueryui.min.js"></script>
<script src="//cdn.datatables.net/buttons/1.0.1/js/dataTables.buttons.min.js"></script>
<script src="//cdn.datatables.net/buttons/1.0.1/js/buttons.jqueryui.min.js"></script>
<script src="//cdn.datatables.net/buttons/1.0.1/js/buttons.flash.min.js"></script>
<script src="//cdn.datatables.net/buttons/1.0.1/js/buttons.html5.min.js"></script>
<script src="//cdn.datatables.net/buttons/1.0.1/js/buttons.print.min.js"></script>
<script src="https://code.jquery.com/ui/1.11.4/jquery-ui.min.js"></script>
<link rel="stylesheet" href="https://code.jquery.com/ui/1.11.4/themes/ui-lightness/jquery-ui.css">
<script src="//cdnjs.cloudflare.com/ajax/libs/jszip/2.5.0/jszip.min.js"></script>
<script src="//cdn.rawgit.com/bpampuch/pdfmake/0.1.18/build/pdfmake.min.js"></script>
<script src="//cdn.rawgit.com/bpampuch/pdfmake/0.1.18/build/vfs_fonts.js"></script>
<table width="100%" class="display" id="example" cellspacing="0"></table>

CSS

body {
    font: 90%/1.45em"Helvetica Neue", HelveticaNeue, Verdana, Arial, Helvetica, sans-serif;
    margin: 0;
    padding: 0;
    color: #333;
    background-color: #fff;
}
div.container {
    min-width: 980px;
    margin: 0 auto;
}

JavaScript

String.prototype.replaceAll = function(s, r, c) {
	return this.replace(new RegExp(s.replace(/([\/\,\!\\\^\$\{\}\[\]\(\)\.\*\+\?\|\<\>\-\&])/g, "\\$&"), (c ? "gi" : "g")), (typeof(r) == "string") ? r.replace(/\$/g, "$$$$") : r);
};

String.prototype.htmlEncode = function() {
	return this.replaceAll("&", "&amp;", false).replaceAll("\"", "&quot;", false).replaceAll("'", "&apos;", false).replaceAll("<", "&lt;", false).replaceAll(">", "&gt;", false);
};


$.fn.DataTable.render.htmlEncode = function () {
	return {
		display: function (data, type, row, meta) {
			if (typeof data === "string" && data.trim() !== "") {
				return data.htmlEncode();
			}
			else {
				return data;
			}
		}
	};
};

var dataSet = [
    [ "Tiger < &amp; > Nixon", "Tiger < &amp; > > Nixon" ],
    [ "Tiger <faketag> Nixon", "Tiger <faketag> Nixon" ],
    [ "Tiger <faketag>Nixon</faketag>", "Tiger <faketag>Nixon</faketag>" ]
];

$(document).ready(function () {
	var table = $('#example').DataTable({
		dom: "Brt",
		data: dataSet,
		columns: [
			{ title: "HTMLEncoded" },
			{ title: "Not HTMLEncoded" }
		],
		columnDefs: [
			{ targets: 0, render: $.fn.DataTable.render.htmlEncode() }
		],
		buttons: [
			{
				extend: "copy",
				exportOptions: {
					stripHtml: false,
                    orthogonal: "display"
				}
			},
			{
				extend: "csv",
				exportOptions: {
					stripHtml: false
				}
			},
			{
				extend: "excel",
				exportOptions: {
					stripHtml: false
				}
			},
			{
				extend: "pdf",
				exportOptions: {
					stripHtml: true
				}
			}
		]
	});
});