+ * Revision 1.6 2000-12-05 12:21:45 adam
+ * Added termlist source for data1 system.
+ *
+ * Revision 1.5 2000/11/29 14:22:47 adam
+ * Implemented XML/SGML attributes for data1 so that d1_read reads them
+ * and d1_write generates proper attributes for XML/SGML records. Added
+ * register locking for threaded version.
+ *
+ * Revision 1.4 2000/02/28 11:20:06 adam
+ * Using autoconf. New definitions: YAZ_BEGIN_CDECL/YAZ_END_CDECL.
+ *
+ * Revision 1.3 2000/01/04 17:46:17 ian
+ * Added function to count occurences of a tag spec in a data1 tree.
+ *
+ * Revision 1.2 1999/12/21 14:16:19 ian
+ * Changed retrieval module to allow data1 trees with no associated absyn.
+ * Also added a simple interface for extracting values from data1 trees using
+ * a string based tagpath.
+ *
+ * Revision 1.1 1999/11/30 13:47:11 adam