This file is indexed.

/usr/share/doc/libmpfr4-dbg/changelog.Debian.gz is in libmpfr4-dbg 3.1.2-1.

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

It is a symlink to /usr/share/doc/libmpfr4-dbg/../libmpfr4/changelog.Debian.gz