old_contents: 'use strict';
  
  export default function routing($stateProvider, $urlRouterProvider) {
    $urlRouterProvider.otherwise('/pagenotfound');
  };
  
new_contents: 'use strict';
  
  export default function routing($stateProvider, $urlRouterProvider) {
    $urlRouterProvider.otherwise('/#');
  };
  
subject: Update otherwise