/usr/share/man/man3/genders_testattrval.3.gz is in libgenders0-dev 1.17-4.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/man/man3/genders_testattr.3.gz
/usr/share/man/man3/genders_testattr.3.gz