Understood (about adding to dictionary).
My feeling on that is that a nice template language should be able to work with data that you don't control. There are some useful JSON "standard" data structures popping up. I like the idea of being able to interoperate with other applications without doing a lot of data massaging on the template language's behalf.
Iterating over members in an object and elements in a array have analogs in most languages.Sounds reasonable. I am wondering what other people think about this.-g.