Man pages matching name rkprev in section 3:

RkPrev.3.en	debian 10 / libcanna1g-dev
RkPrev.3.ja	debian 10 / libcanna1g-dev
RkPrev.3.en	debian 11 / libcanna1g-dev
RkPrev.3.ja	debian 11 / libcanna1g-dev
RkPrev.3.en	debian 12 / libcanna1g-dev
RkPrev.3.ja	debian 12 / libcanna1g-dev