This file is indexed.

/usr/share/doc/libmgl-wx7.0.0/changelog.Debian.gz is in libmgl-wx7.0.0 2.1.3.1-4ubuntu3.

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

It is a symlink to /usr/share/doc/libmgl-wx7.0.0/../libmgl7.0.0/changelog.Debian.gz