/**
 * Copied from the Etherpad source code. It converts Windows line breaks to Unix line breaks and convert Tabs to spaces
 * @param txt
 */
exports.cleanText = function (txt) {
  return txt.replace(/\r\n/g,'\n').replace(/\r/g,'\n').replace(/\t/g, '        ').replace(/\xa0/g, ' ');
};