Copyright (c) 2004,2005 Marius Aamodt Eriksen <marius@monkey.org>
  Copyright (c) 2004 Andy Adamson <dros@monkey.org>

  Permission to use, copy, modify, and distribute this software for any
  purpose with or without fee is hereby granted, provided that the above
  copyright notice and this permission notice appear in all copies.

  THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

Parts derived from 9wm:

  9wm is free software, and is Copyright (c) 1994 by David Hogan.
  Permission is granted to all sentient beings to use this software,
  to make copies of it, and to distribute those copies, provided
  that:

      (1) the copyright and licence notices are left intact
      (2) the recipients are aware that it is free software
      (3) any unapproved changes in functionality are either
            (i) only distributed as patches
        or (ii) distributed as a new program which is not called 9wm
                and whose documentation gives credit where it is due
      (4) the author is not held responsible for any defects
          or shortcomings in the software, or damages caused by it.

  There is no warranty for this software.  Have a nice day.