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(function () {
String.prototype.template = function (param) {
function esc (c) { return '&#'+c.charCodeAt(0)+';'; };
var reg = new RegExp('[&"<>\']', 'g');
return this.replace(/\[%(.+?)%\]/g, function (arg1, key) {
return ((param[key] || '')+'').replace(reg, esc);
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