Man pages matching name opj_jpip_addxml in section 1:

opj_jpip_addxml.1.en	debian 10 / libopenjpip-dec-server
opj_jpip_addxml.1.en	debian 11 / libopenjpip-dec-server
opj_jpip_addxml.1.en	debian 12 / libopenjpip-dec-server