+ * Revision 1.7 1995/04/17 09:31:40 adam
+ * Improved handling of qualifiers. Aliases or reserved words.
+ *
+ * Revision 1.6 1995/02/23 08:31:59 adam
+ * Changed header.
+ *
+ * Revision 1.4 1995/02/14 16:20:54 adam
+ * Qualifiers are read from a file now.
+ *
+ * Revision 1.3 1995/02/14 10:25:56 adam
+ * The constructions 'qualifier rel term ...' implemented.
+ *
+ * Revision 1.2 1995/02/13 15:15:06 adam
+ * Added handling of qualifiers. Not finished yet.
+ *
+ * Revision 1.1 1995/02/13 12:35:20 adam