/usr/share/man/man8/mapscrn.8.gz is in kbd-compat 1:0.2.3dbs-65.1ubuntu2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/man/man8/kbd-compat.8.gz
/usr/share/man/man8/kbd-compat.8.gz