+* ZOOM. Removed Z3950_connection_host. Use Z3950_connection_option_get
+with key="host" to get same result.
+
+* ZOOM. Added Z3950_record_dup and removed Z3950_resultset_get.
+Function Z3950_resultset_record(s) returns references to records
+"owned" by resultset. To become owner use Z3950_record_dup.
+
+Function z_ext_record handles Extended Services. Thanks to
+Irina Dijour.
+