Copyright 1990 by Digital Equipment AB, Sweden

                                  and

                       Hakan Huss and Johan Ihren

                           All Rights Reserved

    Permission to use, copy, modify, and distribute this software and
    its documentation for any purpose and without fee is hereby
    granted, provided that the above copyright notice appear in all
    copies and that both that copyright notice and this permis-
    sion notice appear in supporting documentation, and that the
    names of the copyright holders not be used in advertising in
    publicity pertaining to distribution of the software without
    specific, written prior permission. The copyright holders make no
    representations about the suitability of this software for any
    purpose. It is provided "as is" without express or implied warranty.

    THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO
    THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANT-
    ABILITY AND FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS
    BE LIABLE FOR ANY SPECIAL, 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.