/usr/share/doc/libatspi2.0-0-dbg/changelog.Debian.gz is in libatspi2.0-0-dbg 2.10.2.is.2.10.1-0ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libatspi2.0-0-dbg/../libatspi2.0-0/changelog.Debian.gz