anchor.diff:  
   
   :marked
  -  When the bootstrap method is switched from that of `UpgradeAdapter` to
  +  When the bootstrap method is switched from that of `UpgradeModule` to
     pure Angular 2, Angular 1 ceases to exist on the page completely.
     At this point we need to tell Protractor that it should not be looking for
     an Angular 1 app anymore, but instead it should find *Angular 2 apps* from
  
positive.code:   The Angular 1 directive had a `checkmark` _filter_.
    Let's turn that into an Angular 2 **pipe**.
  
    There is no upgrade adapter method to convert filters into pipes.
    You won't miss it.
    It's easy to turn the filter function into an equivalent Pipe class. 
    The implementation is the same as before, repackaged in the `transform` method.
  
negative.code:   we still need are for Jasmine and Angular 2 polyfills.
  
  code-example(format="").
    npm uninstall @types/angular @types/angular-animate @types/angular-cookies @types/angular-mocks @types/angular-resource @types/angular-route @types/angular-sanitize --save-dev
  
  :marked
    Finally, from `index.html`, remove all references to
  