A 3-Part, 3-Day Weekend XAML Quiz

Ian posted a fun little snippet of XAML showing off the new support for image effects on anything that Avalon renders, not just images:

  xmlns:def=“Definition” Text.FontSize=“24″>
  This seems clear enough.
 
   
     
   
    This is considerably less clear.
 

I’ve rewritten it using a more compact syntax:

This is considerably less clear.

1. For 1 free UUID, is this legal XAML? Why or why not?
2. For 2 free UUIDs, what other popular XAML construct uses the exact same syntax?
3. For 3 free UUIDs, what popular C# construct has a similar syntax? How is it subtly different? (Hint: I’m not showing the difference in this example.)