Neil Girdhar added the comment:
Is it possible to edit the PEP to reflect the current design decisions?
Specifically:
* Remove: "Because of the new levity for * and ** unpackings, it may be
advisable to lift some or all of these restrictions." (in both abstract and
specification)
* Extend: "Currently duplicate arguments raise TypeError. This remains true
for duplicate arguments provided through multiple keyword argument unpackings,
e.g. f(**{'x': 2}, **{'x': 3})
* Add some examples of dictionary overriding to the list of examples:
>>> {'x': 1, **{'x': 2}}
{'x': 2}
>>> {**{'x': 2}, 'x': 1}
{'x': 1}
* Remove "if the restrictions are kept" (they are)
* Remove "If they are removed completely..."
* In disadvantages, remove "if the current are kept" (they are). Don't write
"* unpackings", write "iterable unpackings"
* Remove "if the current restrictions are lifted"
* Remove "Implementation" section (it's done!)
* Add to specification: "f(*x for x in it) and f(**x for x in it)" remain
SyntaxErrors.
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