/usr/share/man/man1/hppa-linux-gnu-gnatprep-6.1.gz is in gnat-6-hppa-linux-gnu 6.4.0-17ubuntu1cross1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/man/man1/hppa-linux-gnu-gnat-6.1.gz
/usr/share/man/man1/hppa-linux-gnu-gnat-6.1.gz