+ * Revision 1.16 2001-03-07 13:24:40 adam
+ * Member and_not in Z_Operator is kept for backwards compatibility.
+ * Added support for definition of CCL operators in field spec file.
+ *
+ * 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