Re: Decimal digit property - What's it for?

From: Mark Davis (
Date: Thu Nov 27 2003 - 12:16:54 EST

  • Next message: Mark Davis: "Re: numeric properties of Nl characters in the UCD"

    In practice, the main divide is between decimal and anything else. The decimal
    characters can be handled with a uniform piece of software when parsing and
    formatting, everything else has to be special cased.

    ► शिष्यादिच्छेत्पराजयम् ◄

    ----- Original Message -----
    From: "Arcane Jill" <>
    To: <>
    Sent: Thu, 2003 Nov 27 07:45
    Subject: Decimal digit property - What's it for?

    > Hi,
    > It has been explained to me that the "decimal digit" property has the
    > following meaning: "Decimal numbers are those using in decimal-radix
    > number systems. In particular, the sequence of the ONE character
    > followed by the TWO character is interpreted as having the value of twelve".
    > What's the point of such a property?
    > I mean, it's quite clearly ignored in sentences like "My phone number is
    > 0044-1727-6000000", or "The codepoint of the space character is U+0020".
    > What possible use could any mechanical algorithm make of the "decimal
    > digit" property that it could not equally well make of the "digit" or
    > "numeric" properties?
    > Jill

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