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gh-114070: correct the specification of ``digit`` in the float() docs (#114080)

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Sergey B Kirpichev 2024-01-16 01:19:59 +03:00 committed by GitHub
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@ -668,16 +668,15 @@ are always available. They are listed here in alphabetical order.
sign: "+" | "-"
infinity: "Infinity" | "inf"
nan: "nan"
digitpart: `!digit` (["_"] `!digit`)*
digit: <a Unicode decimal digit, i.e. characters in Unicode general category Nd>
digitpart: `digit` (["_"] `digit`)*
number: [`digitpart`] "." `digitpart` | `digitpart` ["."]
exponent: ("e" | "E") ["+" | "-"] `digitpart`
floatnumber: number [`exponent`]
floatvalue: [`sign`] (`floatnumber` | `infinity` | `nan`)
Here ``digit`` is a Unicode decimal digit (character in the Unicode general
category ``Nd``). Case is not significant, so, for example, "inf", "Inf",
"INFINITY", and "iNfINity" are all acceptable spellings for positive
infinity.
Case is not significant, so, for example, "inf", "Inf", "INFINITY", and
"iNfINity" are all acceptable spellings for positive infinity.
Otherwise, if the argument is an integer or a floating point number, a
floating point number with the same value (within Python's floating point