Man pages matching name yuvsplittoppm in section 1:

yuvsplittoppm.1.pl	debian 10 / manpages-pl
yuvsplittoppm.1.en	debian 10 / netpbm
yuvsplittoppm.1.pl	debian 11 / manpages-pl
yuvsplittoppm.1.en	debian 11 / netpbm
yuvsplittoppm.1.en	debian 12 / netpbm