[$] Not coalescing around None-aware

The wish for a "None-aware" operator (or operators) is
longstanding within the Python community. While there is fairly
widespread
interest in more easily handling situations where a value needs to be
tested for being None before being further processed, there is
much less agreement on how to "spell" such an operator (or construct) and
on whether the language truly needs it. But the idea never seems to go
away, with long discussions erupting every year or two—and no resolution
really in sight.