cdif: word context diff Copyright (c) 1992-1998 Kazumasa Utashiro Internet Initiative Japan Inc. 3-13 Kanda Nishiki-cho, Chiyoda-ku, Tokyo 101-0054, Japan $rcsid = q#Id: cdif,v 1.15 1999/02/03 13:14:20 utashiro Exp #; Original: 1992/03/11 Redistribution for non-commercial purpose, with or without modification, is granted as long as all copyright notices are retained. THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES ARE DISCLAIMED.