Man pages matching name diff3 in section 1:

diff3.1.en	debian 10 / diffutils
diff3.1.de	debian 10 / manpages-de
diff3.1.ja	debian 10 / manpages-ja
diff3.1.pl	debian 10 / manpages-pl
diff3.1.tr	debian 10 / manpages-tr
diff3.1.en	debian 11 / diffutils
diff3.1.de	debian 11 / manpages-de
diff3.1.fr	debian 11 / manpages-fr
diff3.1.ja	debian 11 / manpages-ja
diff3.1.pl	debian 11 / manpages-pl
diff3.1.tr	debian 11 / manpages-tr
diff3.1.en	debian 12 / diffutils
diff3.1.da	debian 12 / manpages-da
diff3.1.de	debian 12 / manpages-de
diff3.1.el	debian 12 / manpages-el
diff3.1.fi	debian 12 / manpages-fi
diff3.1.fr	debian 12 / manpages-fr
diff3.1.hu	debian 12 / manpages-hu
diff3.1.id	debian 12 / manpages-id
diff3.1.ja	debian 12 / manpages-ja
diff3.1.nb	debian 12 / manpages-nb
diff3.1.pl	debian 12 / manpages-pl
diff3.1.ro	debian 12 / manpages-ro
diff3.1.sr	debian 12 / manpages-sr
diff3.1.sv	debian 12 / manpages-sv
diff3.1.tr	debian 12 / manpages-tr
diff3.1.uk	debian 12 / manpages-uk
diff3.1.vi	debian 12 / manpages-vi