/usr/share/doc/xpa-tools/changelog.Debian.gz is in xpa-tools 2.1.15-3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/xpa-tools/../libxpa1/changelog.Debian.gz
/usr/share/doc/xpa-tools/../libxpa1/changelog.Debian.gz