/usr/share/doc/guile-gnome2-gtk/README is in guile-gnome2-gtk 2.16.1-6ubuntu2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/guile-gnome2-gtk/../guile-gnome2-glib/README
/usr/share/doc/guile-gnome2-gtk/../guile-gnome2-glib/README