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3.3.3 Specifying character codes

Most of the programs allow you to specify character codes for various purposes. Character codes are always parsed in the same way (using the routines in `lib/charcode.c' and `lib/charspec.c').

You can specify the character code directly, as a numeric value, or indirectly, as a character name to be looked up in an encoding vector. Named character codes  Character names are looked up in the encoding. Numeric character codes  Decimal, octal, hex, or ASCII.