Author tim.peters
Recipients Jáchym Barvínek, tim.peters
Date 2016-10-25.15:18:41
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This won't be changed - it's a near-universally mandated behavior across relevant standards.  Many years ago it wasn't, but Knuth changed minds when he wrote:

We must define x^0=1 for all x, if the binomial theorem is to be valid when x=0 , y=0 , and/or x=-y . The theorem is too important to be arbitrarily restricted!

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