On Mon, Jan 19, 2015 at 10:43 AM, Ihe Onwuka <ihe.onwuka@xxxxxxxxx> wrote:

>
> I would only note that the key expression does not seem to be making use
> of it's context (nothing in it depends on //aaa/bbb) but I read the
> expression as saying evaluate the key expression for each child of aaa/bbb
> and get all the fooval children from the of the called to the key.
>
>>
>>
....from the call to the key.