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diff --git a/CHANGELOG b/CHANGELOG
index d6e9fee..39ce4af 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,5 +1,80 @@
 Possible compatibility problems with earlier versions marked with '*'.
 
+Fixed bug in Explain for Category TargetInfo.
+
+Added support for GNU readline in client. Thanks to Jacob Poulsen
+<ja7@dbc.dk>. GNU configure attempts to detect if readline is available.
+
+* CHANGED DEFINITION OF ES: UPDATE (INCLUDING THE OID) to reflect the
+new definition from the ZIG. NOTE THIS IF YOU HAVE AN UPDATE
+IMPLEMENTATION! This change was made to the development version before
+the ZIG decided to retract the amendment. If any users MUST be
+compatible with the original Update definition, PLEASE CONTACT US, and
+we will include a separate definition corresponding to the old Update
+ES. Note that because of the change to the ASN.1 of the
+TaskPackageRecordStructure we cannot define a single structure that
+will support both versions.
+
+* Added const modifier to buffer parameter for some ODR/BER encoding
+routines: ber_dectag, ber_declen, odp_more_chunks, completeBER,
+completeWAIS, odr_dumpBER.
+
+Fixed bug in client.c which caused a crash when a scanResponse didn't
+contain positionOfTerm.
+
+* Fixed inconsistency in the ScanResponse/ListEntries protocol. This
+* will cause an error in a client if a non-YAZ target sends both a
+* list of Scan entries and non-surrogate diagnostics.
+
+Retrieval module enhancements. Tag sets may be typed in the reference
+to it. From the .abs-file the "tagset" directive takes a third optional
+integer type for the tag set referenced. From a .tag-file the "include"
+directive takes a third optional type as well. The old "type" directive
+in the tag set itself is still recognized but acts as the default type
+for the tag set.
+
+Backend interface change. Individual Scan terms returned from bend_scan
+may also be tagged as Surrogate Diagnostics. Refer to struct scan_entry
+in include/backend.h.
+
+Retrieval module enhancements. Multiple tag sets and attribute sets may
+be specified in abstract syntax specs. Revised the error/warning for
+logging messages reported by the retrieval module when reading the
+various spec files.
+
+Object Identifier system (oid_..) changed. The API is backwards
+compatible but the oid-routines now allocates new OID's when needed.
+Raw OID's may be specified in oid_getvalbyname.
+
+YAZ now uses GNU configure to generate Makefile(s).
+
+* Minor changes in some of the member names of DeleteResultSetRequest and
+DeleteResultSetResponse. See include/proto.h.
+
+* Changed some C definitions regarding EXPLAIN record syntax (prt-exp.h)
+and added member 'languages' in TargetInfo (which was missing).
+
+Changed the way attribute sets are handled in the retrieval
+module. These are now cached, just like the abstract syntaxes
+(schemas).
+
+Changed YAZ so that it links with compiled ASN.1.
+
+Added Explain-schema definitions and mapping routines. The following
+Explain categories have been implemented: AttributeDetails,
+AttributeSetInfo, DatabaseInfo, CategoryList and TargetInfo.
+
+Fixed minor bug in Windows version of Server Library.
+
+--- 1.4pl2+ 1998/4/17 (Released with Zebra)
+
+Added Extended Services to server (backend.h). Thanks to Charles Woodfield.
+
+Added EXTERNAL: UNIverse Resource Report (non-standard).
+
+Implemened odr_enum and odr_set_of functions to handle ASN.1 types
+ENUMERATED and SET OF.
+
 * Added 'const' to some of the char pointer arguments for the
 functions, data1_read_node, data1_getelementbytagname,
 data1_insert_taggeddata, data1_getesetbyname, data1_getelementbyname,