Man pages matching name xsetmode in section 1:

xsetmode.1.en	debian 10 / x11-xserver-utils
xsetmode.1.fr	debian 11 / manpages-fr
xsetmode.1.en	debian 11 / x11-xserver-utils
xsetmode.1.da	debian 12 / manpages-da
xsetmode.1.de	debian 12 / manpages-de
xsetmode.1.fr	debian 12 / manpages-fr
xsetmode.1.uk	debian 12 / manpages-uk
xsetmode.1.en	debian 12 / x11-xserver-utils