\medskip\noindent\hbox{}\hrule\hbox{}\penalty-1000\medskip\noindent Copyright \copyright 1994, 1995, 1996, 1997, 1998 David Neto\smallskip\noindent    This library is free software; you can redistribute it and/or   modify it under the terms of the GNU Library General Public   License as published by the Free Software Foundation; either   version 2 of the License, or (at your option) any later version.\smallskip\noindent    This library is distributed in the hope that it will be useful,   but WITHOUT ANY WARRANTY; without even the implied warranty of   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU   Library General Public License for more details.\smallskip\noindent      You should have received a copy of the GNU Library General Public   License along with this library; if not, write to the   Free Software Foundation, Inc., 59 Temple Place - Suite 330,   Boston, MA  02111-1307, USA.\smallskip\noindent      You may contact David Neto via email at {\tt netod@@acm.org}, or with   greater latency at\smallskip\noindent{\obeylines     Department of Computer Science,     University of Toronto,     10 King's College Rd.,     Toronto, Ontario,     M5S 3G4,     Canada}