Gtk2-Ex-TreeModelFilter-DragDest is Copyright 2008 Kevin Ryde

Gtk2-Ex-TreeModelFilter-DragDest is licensed under the GNU Public
License GPL version 3 (or at your option any later version).  The
complete text of GPL version 3 is in the file

    /usr/share/common-licenses/GPL-3

Program home page:

    http://www.geocities.com/user42_kevin/gtk2-ex-treemodelfilter-dragdest/