Romanization of Russian - Wikipedia
https://en.wikipedia.org/wiki/Romanization_of_RussianUnicode recommends encoding the primes used for the soft and hard signs as modifier prime and double prime, ʹ and ʺ, which may be entered with {{softsign}} and {{hardsign}}, and the apostrophes for the same as the modifier letter apostrophes, ʼ and ˮ. Scholarly Some archaic letters are transcribed in different ways. GOST 16876-71 and GOST 7.79-2000 It is recommended to use c before i, e, y, j, but cz in all other cases. In GOST 7.79-2000 Cyrillic і in Ukr…