src/services/exportText.js

/***********************************************
 * Export math in a human-readable text format
 * As you can see, only half-baked so far.
 **********************************************/

Controller.open(function(_, super_) {
  _.exportText = function() {
    return this.root.foldChildren('', function(text, child) {
      return text + child.text();
    });
  };
});