Provided in PR 17585 by Mishka (mishka@terabyte.com.ua)
These are useful tools for Russian users:
todos/fromdos: point-to-point cp866<->koi8-r decoder with CR/LF translation
towin/fromwin: best match cp1251<->koi8-r decoder with CR/LF translation
a2kfcnv: EGA/VGA raw screen fonts converter: cp866 font -> koi8-r font
All programs written according to RFC 1489