[issue9705] limit dict.update() to a given list of keys

[Benjamin Peterson]

Benjamin Peterson <benjamin at python.org> added the comment:

Please post to python-ideas first, and note a moratorium on builtin changes is inplace.

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nosy: +benjamin.peterson
resolution:  -> rejected
status: open -> closed

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue9705>
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