code: function removeErrorRecovery (fn) {
      var parseFn = String(fn);
      try {
          var JSONSelect = require("JSONSelect");
          var Reflect = require("reflect");
          var ast = Reflect.parse(parseFn);
  
          var labeled = JSONSelect.match(':has(:root > .label > .name:val("_handle_error"))', ast);
          labeled[0].body.consequent.body = [labeled[0].body.consequent.body[0], labeled[0].body.consequent.body[1]];
  
          return Reflect.stringify(ast).replace(/_handle_error:\s?/,"").replace(/\\\\n/g,"\\n");
      } catch (e) {
          return parseFn;
      }
  }
docs: returns parse function without error recovery code