KOI8-RU Character Map
(as extention to Russian KOI8-R and ISO-IR-111)
KOI8-RU is compatible with KOI8-R in all Cyrillic Letters and completes it with four Ukrainian (#164, #180 - ukr. ie, #166, #182 - ukr. i, #167, #183 - ukr. yi, #173, #189 - ukr. ghe with upturn) and one Byelorussian (#174, #190 - byelorussian short u) letters are complaint with ISO-IR-111.
All FORMS except positions ocupied by Ukrainian and Byelorussian letters and Bullets in positions #148, #149, #158 coincide with KOI8-R.
Positions #147, #150-153, #155-#157, #159 are used for important characters which are currently missing from ISO-IR-111.
KOI8-RU in Rusian, Ukrainian and Byelorussian letters is completely compatible with ISO-IR-111 but differs in positions of one additional Ukrainian letter GHE WITH UPTURN and positions #128-#159 are used for FORMS (complaint with KOI8-R) elements from KOI8-R and other important characters which are currently missing from ISO-IR-111.
This documents is subject for discussion
and may be changed.
It rely on published Standards and documents.