+ * Revision 1.15 2000-05-01 09:36:50 adam
+ * Range operator only treated in ordered ranges so that minus (-) can be
+ * used for, say, the and-not operator.
+ *
+ * Revision 1.14 2000/03/14 09:06:11 adam
+ * Added POSIX threads support for frontend server.
+ *
+ * Revision 1.13 2000/02/08 10:39:53 adam