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Clarify that '\0' cannot be used as fill (#832)

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Victor Zverovich 2018-08-19 08:37:40 -07:00
parent abde38b4fb
commit ba95e36a58
1 changed files with 6 additions and 6 deletions
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doc/syntax.rst
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@ -76,7 +76,7 @@ The general form of a *standard format specifier* is:
.. productionlist:: sf
format_spec: [[`fill`]`align`][`sign`]["#"]["0"][`width`]["." `precision`][`type`]
fill: <a character other than '{' or '}'>
fill: <a character other than '{', '}' or '\0'>
align: "<" | ">" | "=" | "^"
sign: "+" | "-" | " "
width: `integer` | "{" `arg_id` "}"
@ -84,11 +84,11 @@ The general form of a *standard format specifier* is:
type: `int_type` | "a" | "A" | "c" | "e" | "E" | "f" | "F" | "g" | "G" | "p" | "s"
int_type: "b" | "B" | "d" | "n" | "o" | "x" | "X"
The *fill* character can be any character other than '{' or '}'. 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 *fill* character can be any character other than '{', '}' or '\\0'. 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 meaning of the various alignment options is as follows: