What absorbation said, but as far as design goes for now, what I do is load the XML schema into Visual Studio, and edit it there. Visual Studio will give code completion, and the wonderful blue squiggles when something is in the wrong place.
Then, just use the interface tester to make sure all is lined up correctly
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![[Image: sharing.png]](http://www.meetcweb.com/files/sharing.png)
