IBM-eucCN

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The EUC for the Simplified Chinese language is an encoding consisting of characters that contain 1 or 2 bytes. The EUC encoding is based on ISO2022, GB2312 as defined by the People's Republic of China, and multibyte character definitions unique to the manufacturer.

The current GB2312 defines 6,763 Simplified Chinese characters and 682 symbols. The IBM-eucCN is based upon a concept of one plane containing up to 94x94 characters. The encoding values of these characters range from 0xa1a1 to 0xfefe.

The GB2312 is mapped into the CS1 of EUC. Specifically, the IBM-eucCN consists of the following character sets:

Character set Description
ISO0646-IRV 7-bit ASCII character set, Graphic Left.
GB2312.1980 Contains 7445 characters. It occupies positions 0xa1a1 to 0xfedf (some user-defined characters scattered in 0xa1a1 to 0xfedf).
IBM-udcCN Scattered in GB. It occupies positions Oxa1a1 to Oxfedf. The actual values are: 
a2a1 -- a2b0    a1e3 -- a2e4  a1ef -- a2f0
a2fd -- a1fe    a4f4 -- a4fe  a5f7 -- a5fe
a6b9 -- a6c0    a6d9 -- a6fe  a7c2 -- a7d0
a7f2 -- a7fe    a8bb -- a8c4  a8ea -- a9a3
a9f0 -- affe    a7fa -- d7fe  f8a1 -- fedf
IBM-sbdCN Scattered in GB. It occupies positions 0xfee0 to 0xfefe.