[issue5686] Float formatting with no type code produces incorrect output for exponential notation

[Eric Smith]

Eric Smith <eric at trueblade.com> added the comment:

This isn't testing what I thought it was testing. I'd forgotten that
format(x, '') is exactly equivalent to str(x).

The better test is using a format string of '<':
>>> 1e200.__format__('<')
'1.0e+200'
>>> 1e200.__format__('<g')
'1e+200'

So this is a non-issue: the current behavior matches the PEP
description. The online docs could still be tweaked, though.

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resolution:  -> invalid
status: open -> closed

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