'Return |True| if this proxy object refers to the same oxml element as
does *other*. ElementProxy objects are value objects and should
maintain no mutable local state. Equality for proxy objects is
defined as referring to the same XML element, whether or not they are
the same proxy object instance.'

def __eq__(self, other):

    if (not isinstance(other, ElementProxy)):
        return False
    return (self._element is other._element)
