Code page types. Each output code page is classified into one of these categories.

Values:

IG_REC_CODEPAGE_UNKNOWN	Code Pages not classified to any further categories, e.g., Roman-8.
IG_REC_CODEPAGE_SPECIFIC	16-bit Code Pages, e.g., UNICODE.
IG_REC_CODEPAGE_ASCII_BASED	Code Pages typically used by different localized DOS versions and DOS applications, e.g., Code Page 437.
IG_REC_CODEPAGE_ANSI_BASED	Code Pages typically used by different localized Windows versions and Windows applications, e.g., Windows Greek.
IG_REC_CODEPAGE_MAC_BASED	Code Pages typically used by different localized Mac versions and applications, e.g., Macintosh Central European CP.
IG_REC_CODEPAGE_INTERNAL	Reserved 8-bit and 16 bit Code Pages used internally by the Engine.
IG_REC_CODEPAGE_ASIAN	Multi-byte code pages for Asian languages.