This file is indexed.

/usr/share/man/man1/s390x-linux-gnu-gnatname.1.gz is in gnat-5-s390x-linux-gnu 5.3.1-14ubuntu2cross1.

This file is owned by root:root, with mode 0o777.

It is a symlink to /usr/share/man/man1/s390x-linux-gnu-gnatname-5.1.gz