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| author | Terry Jan Reedy <tjreedy@udel.edu> | 2016-03-20 21:05:57 -0400 |
|---|---|---|
| committer | Terry Jan Reedy <tjreedy@udel.edu> | 2016-03-20 21:05:57 -0400 |
| commit | 4902c46bff57f17b72cf68e8fafcc3f9b0df6f3c (patch) | |
| tree | 45cc15ca4003dc46bbcd2c00cc90211fe67ad0d8 /Doc/library/string.rst | |
| parent | e431d3c9aadb52dd1eea4d1e606e94f1c8471459 (diff) | |
| download | cpython-git-4902c46bff57f17b72cf68e8fafcc3f9b0df6f3c.tar.gz | |
Issue #15660: Further clarify 0 prefix for width specifier in formats.
Diffstat (limited to 'Doc/library/string.rst')
| -rw-r--r-- | Doc/library/string.rst | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/Doc/library/string.rst b/Doc/library/string.rst index 5b917d939b..1da0c670a9 100644 --- a/Doc/library/string.rst +++ b/Doc/library/string.rst @@ -327,7 +327,8 @@ The meaning of the various alignment options is as follows: | ``'='`` | Forces the padding to be placed after the sign (if any) | | | but before the digits. This is used for printing fields | | | in the form '+000000120'. This alignment option is only | - | | valid for numeric types. | + | | valid for numeric types. It becomes the default when '0'| + | | immediately precedes the field width. | +---------+----------------------------------------------------------+ | ``'^'`` | Forces the field to be centered within the available | | | space. | @@ -376,7 +377,8 @@ instead. *width* is a decimal integer defining the minimum field width. If not specified, then the field width will be determined by the content. -Preceding the *width* field by a zero (``'0'``) character enables +When no explicit alignment is given, preceding the *width* field by a zero +(``'0'``) character enables sign-aware zero-padding for numeric types. This is equivalent to a *fill* character of ``'0'`` with an *alignment* type of ``'='``. |