+ * Revision 1.26 1998-03-20 17:29:20 adam
+ * Include of odr_use.h in odr.h. Added prototype for odr_enum.
+ *
+ * Revision 1.25 1998/02/11 11:53:33 adam
+ * Changed code so that it compiles as C++.
+ *
+ * Revision 1.24 1997/11/24 11:33:56 adam
+ * Using function odr_nullval() instead of global ODR_NULLVAL when
+ * appropriate.
+ *
+ * Revision 1.23 1997/09/01 08:49:49 adam
+ * New windows NT/95 port using MSV5.0. To export DLL functions the
+ * YAZ_EXPORT modifier was added. Defined in yconfig.h.
+ *
+ * Revision 1.22 1997/07/21 12:44:30 adam
+ * Moved definitions of nmem_block and nmem_control.
+ *
+ * Revision 1.21 1997/05/14 06:53:41 adam
+ * C++ support.
+ *
+ * Revision 1.20 1997/04/30 08:52:08 quinn
+ * Null
+ *
+ * Revision 1.19 1996/10/08 12:58:08 adam
+ * New ODR function, odr_choice_enable_bias, to control behaviour of
+ * odr_choice_bias.
+ *
+ * Revision 1.18 1996/07/26 13:38:14 quinn
+ * Various smaller things. Gathered header-files.
+ *
+ * Revision 1.17 1995/11/08 17:41:27 quinn
+ * Smallish.
+ *
+ * Revision 1.16 1995/11/01 13:54:36 quinn
+ * Minor adjustments
+ *
+ * Revision 1.15 1995/10/18 16:12:36 quinn
+ * Better diagnostics.
+ *
+ * Revision 1.14 1995/09/29 17:12:04 quinn
+ * Smallish
+ *
+ * Revision 1.13 1995/09/29 17:01:49 quinn
+ * More Windows work
+ *
+ * Revision 1.12 1995/09/27 15:02:48 quinn
+ * Modified function heads & prototypes.
+ *
+ * Revision 1.11 1995/08/15 12:00:09 quinn
+ * Updated External
+ *
+ * Revision 1.10 1995/08/10 08:54:33 quinn
+ * Added Explain.
+ *
+ * Revision 1.9 1995/06/19 12:38:26 quinn