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.
Mark __________________________________ http://www.macchiato.com â ààààààààààààààààààààà â ----- Original Message ----- From: "Arcane Jill" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> 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 > > > >