/usr/share/doc/guile-gnome2-dev/AUTHORS is in guile-gnome2-dev 2.16.2-1.1ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/guile-gnome2-dev/../guile-gnome2-glib/AUTHORS
/usr/share/doc/guile-gnome2-dev/../guile-gnome2-glib/AUTHORS