ISSUE-85: spec updated

Peter noticed that the definition of XorConstraint was incorrect, so 
without further ado I have changed it and suggest to close ISSUE-85 as 
suggested, based on an even/odd number of matching shapes.

https://github.com/w3c/data-shapes/commit/7210fdb94ba1413086c1a524e312e815cb2ae957

Thanks, Peter.
Holger

Received on Monday, 14 September 2015 00:34:42 UTC