   Copyright Information for sources and executables of Sf-Graph

This document is Copyright (C) Sf-Team and may be distributed
verbatim, but changing it is not allowed.

Source code copyright Sf-Team is distributed under the terms of the
GNU General Public Licence, with the following exceptions:

* Any existing copyright or authorship information in any given source
  file must remain intact.  If you modify a source file, a notice to that
  effect must be added to the authorship information in the source file.
