Possible compatibility problems with earlier versions marked with '*'.
---- XXXXX
+Implemented sub-tree feature for schemas. Sub-trees are
+referenced in *.abs-files. See explain.abs for an example
+of the use of this feature.
+
+Modified bib1.att; local attributes for ANY didn't include
+ANY itself (only affects use of the retrieval module).
+
+Fixed bug in plain SGML reader in function data1_read_node:
+tags with prefix "var" was incorrectly interpreted as variants.
+
+Added feature "sub-schemas" to enable references to - and definitions
+of - group of elements.
+
+* Removed member parent from type data1_element (in data1.h).
+
+Implemented function odr_nullval() that returns the value of
+ODR_NULLVAL.
+
+* Removed member num_children from data1_node (in data1.h).
+
+Made NT service interface part of the server library. The
+function statserv_main uses the NT service when required and
+calls the statserv_start / statserv_close routines.
+
+Routine zget_SearchRequest fills resultSetName member with "default"
+instead of "Default".
+
+Fixed memory leak in server. Request queue member wasn't freed.
+
+Fixed nmem_exit so that memory is freed.
+
+--- 1.4 1997/10/2
Revised the CCL parser utility to be thread safe.
initial thread before NMEM/ODR is used. statserv.c and client.c
have been changed accordingly. The change was necessary to make
NMEM thread safe. The NMEM memory pool is shared amongst threads
-in a process.
+in a process. Unix-based applications will still work fine without
+calling this.
Added NT Services interface for the the Z39.50 (statserv) Server.
Refer to the ztest.c source on the usage.