[issue3208] function annotation for builtin and C function

[Alexandre Vassalotti]

Changes by Alexandre Vassalotti <alexandre at peadrop.com>:


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nosy:  -alexandre.vassalotti
stage:  -> needs patch
versions: +Python 3.5 -Python 3.0

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue3208>
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