diff options
| author | Terry Jan Reedy <tjreedy@udel.edu> | 2016-03-21 01:05:50 (GMT) |
|---|---|---|
| committer | Terry Jan Reedy <tjreedy@udel.edu> | 2016-03-21 01:05:50 (GMT) |
| commit | 127f0d85e4d8e03bbc97bcd296c037880cd3531a (patch) | |
| tree | 6cf2d8f1dbe59d6c9c2e1d6ffbe1192113a96e18 /Doc/library | |
| parent | 9d9d99cbee34002afcbe6f2a0b4779c6714477b6 (diff) | |
| download | cpython-127f0d85e4d8e03bbc97bcd296c037880cd3531a.zip cpython-127f0d85e4d8e03bbc97bcd296c037880cd3531a.tar.gz cpython-127f0d85e4d8e03bbc97bcd296c037880cd3531a.tar.bz2 | |
Issue #15660: Further clarify 0 prefix for width specifier in formats.
Diffstat (limited to 'Doc/library')
| -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 af13ee4..260cd0a 100644 --- a/Doc/library/string.rst +++ b/Doc/library/string.rst @@ -353,7 +353,8 @@ 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. | @@ -393,7 +394,8 @@ 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 ``'='``. |