[issue22780] NotImplemented doc section needs update

[Ethan Furman]

Ethan Furman added the comment:

+   Special value which should be returned by the special methods
+   (:meth:`__eq__`, :meth:`__lt__`, :meth:`__add__`, etc.) to indicate
+   that the operation is not implemented with respect to the other type.

After a discussion on python-dev, I think this wording could be even clearer.  How about:

    Special value which should be returned by the binary special methods
    (e.g. :meth:`__eq__`, :meth:`__lt__`, :meth:`__add__`, :meth:`__rsub__`,
    etc.) to indicate that the operation is not implemented with respect to
    the other type; may be returned by the in-place binary special methods
    (e.g. :meth:`__imul__`, :meth:`__iand__`, etc.) for the same purpose.

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status: closed -> open

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue22780>
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