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Define `digit` in formal grammar (#236) 

`digit` is used as a subtraction in bare-identifier, but never defined.
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Christopher Durham 2022-02-19 04:06:17 -06:00 committed by GitHub
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commit 8976e2da68
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@ -452,9 +452,10 @@ raw-string-quotes := '"' .* '"'
number := decimal | hex | octal | binary
decimal := integer ('.' [0-9] [0-9_]*)? exponent?
exponent := ('e' | 'E') integer
integer := sign? [0-9] [0-9_]*
decimal := sign? integer ('.' integer)? exponent?
exponent := ('e' | 'E') sign? integer
integer := digit (digit | '_')*
digit := [0-9]
sign := '+' | '-'
hex := sign? '0x' hex-digit (hex-digit | '_')*