[docs] [issue22546] Wrong default precision in documentation for format

[Roundup Robot]

Roundup Robot added the comment:

New changeset 041d0752171a by Terry Jan Reedy in branch '3.4':
Issue #22546: update doc for mini-language float None presentation type.
https://hg.python.org/cpython/rev/041d0752171a

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nosy: +python-dev

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue22546>
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