anchor.diff:  
       // TODO: Enter your Xamarin account email address here
       // If you do not have a Xamarin Account please sign up here: https://store.xamarin.com/account/register
  -    let xamarinAccountEmail = ""
  +    let XamarinAccountEmail = ""
   
       let mutable ContentView:UIView = null
       let mutable LoginView = null
  
positive.code:             ContentView <- new PrefillXamarinAccountInstructionsView ()
              scrollView.Add(ContentView)
          else
              LoginView <- new LoginView (xamarinAccountEmail)
              LoginView.UserDidLogin <- fun _ -> this.Login xamarinAccountEmail LoginView.PasswordField.Text |> Async.StartImmediate
              ContentView <- LoginView
              scrollView.Add ContentView
  
  
negative.code:     member val LoginSucceeded = fun () -> () with get,set
         
      member this.ShouldShowInstructions
          with get () = XamarinAccountEmail = ""
  
      override this.ViewDidLayoutSubviews () =
          let mutable bounds = this.View.Bounds
  