New submission from David Chambers:
>From http://docs.python.org/3/library/string.html#formatspec:
> The presence of a fill character is signaled by the character
> following it, which must be one of the alignment options. If the
> second character of format_spec is not a valid alignment option,
> then it is assumed that both the fill character and the alignment
> option are absent.
The fact that the second character in the format_spec is not an
alignment option is not sufficient to declare that the alignment
option is absent: the alignment option may be the first character
in the format_spec. For example:
>>> '{:^10}'.format(42)
' 42 '
I suggest the following wording:
The presence of a fill character is signaled by the character
following it, which must be one of the alignment options. Unless
the second character of format_spec is a valid alignment option,
the fill character is assumed to be absent.
----------
assignee: docs@python
components: Documentation
messages: 199633
nosy: davidchambers, docs@python
priority: normal
severity: normal
status: open
title: Misleading explanation of fill and align in format_spec
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Python tracker <[email protected]>
<http://bugs.python.org/issue19238>
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