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Victor Zverovich 2021-01-17 09:36:06 -08:00
parent e4f2cf455e
commit b4b8917caf
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doc/syntax.rst
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@ -75,14 +75,14 @@ although some of the formatting options are only supported by the numeric types.
The general form of a *standard format specifier* is:
.. productionlist:: sf
format_spec: [[`fill`]`align`][`sign`]["#"]["0"][`width`]["." `precision`][`type`]
format_spec: [[`fill`]`align`][`sign`]["#"]["0"][`width`]["." `precision`]["L"][`type`]
fill: <a character other than '{' or '}'>
align: "<" | ">" | "^"
sign: "+" | "-" | " "
width: `integer` | "{" [`arg_id`] "}"
precision: `integer` | "{" [`arg_id`] "}"
type: "a" | "A" | "b" | "B" | "c" | "d" | "e" | "E" | "f" | "F" | "g" | "G" |
: "L" | "o" | "p" | "s" | "x" | "X"
: "o" | "p" | "s" | "x" | "X"
The *fill* character can be any Unicode code point other than ``'{'`` or
``'}'``. The presence of a fill character is signaled by the character following
@ -163,6 +163,9 @@ indicates the maximum field size - in other words, how many characters will be
used from the field content. The *precision* is not allowed for integer,
character, Boolean, and pointer values.
The ``'L'`` option uses the current locale setting to insert the appropriate
number separator characters. This option is only valid for numeric types.
Finally, the *type* determines how the data should be presented.
The available string presentation types are:
@ -214,10 +217,6 @@ The available integer presentation types are:
| | ``'#'`` option with this type adds the prefix ``"0X"`` |
| | to the output value. |
+---------+----------------------------------------------------------+
| ``'L'`` | Locale-specific format. This is the same as ``'d'``, |
| | except that it uses the current locale setting to insert |
| | the appropriate number separator characters. |
+---------+----------------------------------------------------------+
| none | The same as ``'d'``. |
+---------+----------------------------------------------------------+
@ -261,10 +260,6 @@ The available presentation types for floating-point values are:
| | ``'E'`` if the number gets too large. The |
| | representations of infinity and NaN are uppercased, too. |
+---------+----------------------------------------------------------+
| ``'L'`` | Locale-specific format. This is the same as ``'g'``, |
| | except that it uses the current locale setting to insert |
| | the appropriate number separator characters. |
+---------+----------------------------------------------------------+
| none | Similar to ``'g'``, except that fixed-point notation, |
| | when used, has at least one digit past the decimal |
| | point. The default precision is as high as needed to |