ISO 2022-CN-EXT

ISO 2022-CN-EXT is a Chinese encoding that is one of the ISO 2022 encodings, and is an extended version of ISO 2022-CN. It is ASCII with some escape sequences that switch into different character sets. This includes GB 2312, ISO-IR-165, and planes 1 through 7 of CNS 11643.

Links

 * Wikipedia article on ISO 2022