/usr/share/doc/guile-2.0/changelog.Debian.gz is in guile-2.0 2.0.5+1-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/guile-2.0/../guile-2.0-libs/changelog.Debian.gz
/usr/share/doc/guile-2.0/../guile-2.0-libs/changelog.Debian.gz