+ * Revision 1.7 1998/04/23 13:23:56 mdw
+ * Fix bugs involving empty classes.
+ *
+ * Revision 1.6 1998/01/12 16:46:14 mdw
+ * Fix copyright date.
+ *
+ * Revision 1.5 1997/09/17 10:26:11 mdw
+ * Use rewritten class handler. Support `none' class.
+ *
+ * Revision 1.4 1997/08/20 16:17:59 mdw