【雞】丁酉年己酉月庚戌日 / 八月初三日
Wednesday September 20, 2017

ISO 2022

Official name : ISO-2022:1994 : Information Technology - Character code structure and extention techniques.
ECMA 35 is identical to this standard.
It uses designation sequences, which have to be registerd with the ISO (more info).

ISO-2022-CN

This 7 bit modal encoding method is described in RFC 1922 (Chinese Character Encoding for Internet Messages).
Supports:
  • ASCII
  • GB 2312
  • CNS 11643 plane 1
  • CNS 11643 plane 2

ISO-2022-CN-EXT

This is an extension of ISO-2022-CN. It has support for more character sets.
Supports:
  • ASCII
  • GB 2312
  • GB 12345
  • GB 7589-87
  • GB 7590-87
  • GB 13131-91
  • GB 13132-91
  • ISO-IR-165:1992
  • CNS 11643 plane 1
  • CNS 11643 plane 2
  • CNS 11643 plane 3
  • CNS 11643 plane 4
  • CNS 11643 plane 5
  • CNS 11643 plane 6
  • CNS 11643 plane 7
Example: 交换交換
hexadecimal 1B 24 29 41 0E 3D 3B 3B 3B 1B 24 29 47 47 28 5F 50 0F
    1B 24 29 41 0E 3D 3B 3B 3B 1B 24 29 47 47 28 5F 50 0F
    <ESC> $ ) A <SO> 交换 <ESC> $ ) G 交換 <SI>
    GB 2312-80 Start 2 bytes   CNS 11643-92   End 2 bytes

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