/usr/share/doc/fpc/changelog.Debian.gz is in fpc 2.6.2-8.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/fpc/../fp-units-rtl-2.6.2/changelog.Debian.gz
/usr/share/doc/fpc/../fp-units-rtl-2.6.2/changelog.Debian.gz