Hans Åberg <haber...@telia.com> wrote:
> >> |I asked a person who speaks japanese and he told me that
> >> |
> >> | "\u4e00\u4e8c\u4e09"
> >> |
> >> |is similar to
> >> |
> >> | "one two three"
> >> |
> >> |and this is not used for computing.
> >>
> >> If i recall correctly this has been discussed already; if not here
> >> then on the Unicode list. Unicode brings quite a lot of
> >> codepoints, like CIRCLED DIGIT ONE, PARENTHESIZED DIGIT ONE, DIGIT
> >> ONE FULL STOP etc. All these are marked "No", and i think the
> >> discussion concluded that they should not be taken into account
> >> when converting strings to numbers.
>
> The intent may be that the value of the digit character c can be computed by
> the expression c - '0' when >= 0 and <= 9, and is otherwise a non-digit. Then
> 'isdigit' and [[:digit:]] are tied to that, so it is impossible to use any
> other decimal digits.
This seems to be an important idea, as this japanese one two three
is not in a contiguous order.
Jörg
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