Man pages matching name localedef in section 1:

localedef.1.en	debian 10 / manpages
localedef.1.en	debian 11 / manpages
localedef.1.de	debian 11 / manpages-de
localedef.1.fr	debian 11 / manpages-fr
localedef.1.en	debian 12 / manpages
localedef.1.de	debian 12 / manpages-de
localedef.1.fr	debian 12 / manpages-fr
localedef.1.ru	debian 12 / manpages-ru