Update notes on Decimal.
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@ -49,9 +49,11 @@ Inexact.register(float)
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# Inexact.register(decimal.Decimal)
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## Notes on Decimal and it how relates to the numeric tower
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## --------------------------------------------------------
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## Decimal is Real except that it does not support rich comparisons.
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## Notes on Decimal
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## ----------------
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## Decimal has all of the methods specified by the Real abc, but it should
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## not be registered as a Real because decimals do not interoperate with
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## binary floats.
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##
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## Decimal has some of the characteristics of Integrals. It provides
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## logical operations but not as operators. The logical operations only apply
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@ -305,7 +307,6 @@ class Real(Complex):
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return +self
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Real.register(float)
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# Real.register(decimal.Decimal)
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class Rational(Real, Exact):
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