code: function cpOptsInData(data, opts) {
    _OPTS.forEach(function (p) {
      if (typeof data[p] != 'undefined') {
        opts[p] = data[p];
      }
    });
  }
docs: Copy properties in data object that are recognized as options to an
  options object.
  
  This is used for compatibility with earlier versions of EJS and Express.js.
  
  @memberof module:ejs-internal
  @param {Object}  data data object
  @param {Options} opts options object
  @static