KOI7

KOI7 (or KOI-7, КОИ-7, Kod Obmena Informatsiey 7 bit, GOST 13052-67) is a 7-bit encoding of the Cyrillic alphabet. Several revisions exist, including KOI7-switched, which uses the Shift In (SI) and Shift Out (SO) control characters (in the C0 controls) to switch between different character sets.

Specifications

 * IETF RFC 1489: Registration of a Cyrillic Character Set (KOI8-R)

Links

 * Wikipedia article