/* Calculate what line insertion or deletion to do, and do it,
Copyright (C) 1985, 1986, 1990, 1993, 1994, 2001, 2002, 2003, 2004,
/* Calculate what line insertion or deletion to do, and do it,
Copyright (C) 1985, 1986, 1990, 1993, 1994, 2001, 2002, 2003, 2004,