ATTENTION: KOI8-R encoding is not native for Mac. The right solution should be conversion between KOI8-R and Unicode / native
mac-cyrillic for all operations with KOI8-R materials.
I don't have much material, please contribute to this section.
Use Russification of Macintosh site for more info.
Keyboard & Screen Drivers:
- Macintosh KOI8-R .TTF & .PS fonts and keyboard layout