function xml2html(options) {
withStylesheets(function() {
var xml = options.xml.replace(/\/(\s+)/g, '<br />$1');
+ xml = xml.replace(/([^a-zA-Z0-9ąćęłńóśźżĄĆĘŁŃÓŚŹŻ\s<>«»\\*_!,:;?."'=#()\/-]+)/g, '<alien>$1</alien>');
var parser = new DOMParser();
var serializer = new XMLSerializer();
var doc = parser.parseFromString(xml, 'text/xml');