Man pages matching name applydeltarpm in section 8:

applydeltarpm.8.en	debian 10 / deltarpm
applydeltarpm.8.de	debian 10 / manpages-de
applydeltarpm.8.de	debian 11 / manpages-de
applydeltarpm.8.en	debian 12 / deltarpm
applydeltarpm.8.en	debian 13 / deltarpm
applydeltarpm.8.de	debian 13 / manpages-de
applydeltarpm.8.ro	debian 13 / manpages-ro
applydeltarpm.8.ru	debian 13 / manpages-ru