Man pages matching name dwdiff in section 1:

dwdiff.1.en	debian 10 / dwdiff
dwdiff.1.nl	debian 10 / dwdiff
dwdiff.1.en	debian 11 / dwdiff
dwdiff.1.nl	debian 11 / dwdiff
dwdiff.1.en	debian 12 / dwdiff
dwdiff.1.nl	debian 12 / dwdiff