+ * Revision 1.18 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 1.17 1999/11/30 13:47:12 adam
+ * Improved installation. Moved header files to include/yaz.
+ *
+ * Revision 1.16 1999/10/21 12:06:29 adam
+ * Retrieval module no longer uses ctype.h - functions.
+ *
+ * Revision 1.15 1999/08/27 09:40:32 adam
+ * Renamed logf function to yaz_log. Removed VC++ project files.
+ *
+ * Revision 1.14 1998/10/13 16:09:50 adam
+ * Added support for arbitrary OID's for tagsets, schemas and attribute sets.
+ * Added support for multiple attribute set references and tagset references
+ * from an abstract syntax file.
+ * Fixed many bad logs-calls in routines that read the various
+ * specifications regarding data1 (*.abs,*.att,...) and made the messages
+ * consistent whenever possible.
+ * Added extra 'lineno' argument to function readconf_line.
+ *
+ * Revision 1.13 1998/02/11 11:53:35 adam
+ * Changed code so that it compiles as C++.
+ *
+ * Revision 1.12 1997/11/18 09:51:09 adam
+ * Removed element num_children from data1_node. Minor changes in
+ * data1 to Explain.
+ *
+ * Revision 1.11 1997/09/17 12:10:36 adam
+ * YAZ version 1.4.
+ *
+ * Revision 1.10 1997/09/05 09:50:56 adam
+ * Removed global data1_tabpath - uses data1_get_tabpath() instead.
+ *
+ * Revision 1.9 1996/06/10 08:56:02 quinn