Properties of Digits, Numerals, and Mathematical Symbols
We looked at several number-related properties earlier in this chapter: First, we examined the various numeric general categories (Nd, Nl, and No). We also considered the hex-digit properties and the Math property.
For characters in the N categories (characters that are used to represent numeric values), three additional properties indicate the numeric values they represent. These properties are given in the UnicodeData.txt file.
Characters that can be used as decimal digits (generally, the characters in the Nd category, although some No characters as well) have a decimal-digit value property indicating the value that the character has when used as a decimal digit. It is shown in the UnicodeData ...
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