1 Possible compatibility problems with earlier versions marked with '*'.
5 More fixes for scan. Non-zero stepSize handled. OID's fixes.
7 Prefix query parser reports "fail" when bad attribute set is given.
9 Fix in MARC decoder. Proximity logging. Fix for attribute set
10 in scan handler for server. Patches by Shigeru Ishida.
12 SSL/COMSTACK updates. cs_rcvconnect completes SSL handshake. ZOOM
15 Configure option --with-openssl=<dir> now works when a directory is
16 specified. Patch provided by Morten Bøgeskov.
18 New option for YAZ client, -u <auth>, that sets authentication.
20 ZOOM fix: error information only cleared for Bib-diagnostics (not
21 fatal errors, like connection failed, etc).
23 ZOOM_record_get returns ISO2709 buffer when "raw" is given.
27 Scan for ZOOM API. New object ZOOM_scanset. New functions
28 ZOOM_connection_scan, ZOOM_scanset_size, ZOOM_scanset_term and
31 New ZOOM function, ZOOM_connection_last_event, that returns type
32 of last event (such as "receive data", "send data", "apdu received",
35 New ZOOM option, schema, that specifies shema OID for retrieval.
37 New CCL feature. Qualifiers can be aliases for one or more
38 other qualifiers (if more than one is given, OR is used).
40 ZOOM uses named result sets if target supports it.
42 Two new YAZ client commands: . (dot, which sources a script of YAZ
43 client commands), and ! (to execute shell command.). Implemented
46 Working on Debian packages.
50 YAZ client enables named result sets only if target supports it.
52 *** ZOOM. Prefix for ZOOM definitions changed from Z3950_ to ZOOM_.
54 * ZOOM. Removed Z3950_connection_host. Use Z3950_connection_option_get
55 with key="host" to get same result.
57 * ZOOM. Added Z3950_record_clone and removed Z3950_resultset_get.
58 Function Z3950_resultset_record(s) returns references to records
59 "owned" by resultset. To become owner use Z3950_record_clone.
61 Function z_ext_record handles Extended Services. Thanks to
66 CCL Parser fix: ignore token comma when dealing with and-lists.
68 Documentation updates for COMSTACK.
70 * ZOOM changes. Query object renamed from Z3950_search to Z3950_query.
71 Changed prototype Z3950_records. For some functions, int parameters
72 were changed to size_t.
74 TCP/IP COMSTACK no longer uses getprotobyname to avoid memory leak
77 New MARC decode/display function, marc_display_exl, which properly rejects
78 non-ISO2709 records. YAZ client uses it.
82 Fix bug: local attribute set wasn't set correctly in PQF strings.
86 * Old Z39.50 codecs no longer supported.
88 Added ZOOM C binding. See http://zoom.z3950.org/
90 Renamed states for COMSTACKs to avoid confusion with events.
92 Implemented cs_look and proper cs_rcvconnect.
94 Fixed COMSTACK error that occurred on HPUX. Fix by Giannis Kosmas.
96 Configure detects POSIX threads on OpenBSD.
98 When sort flag 'i' was specified in yaz-client the caseSensitivy flag
99 was set to a wrong value. Thanks to Robert Sanderson for reporting this.
101 When error is returned from present handler, non-surrogate diagnostic
102 is returned in present response (and fetch handler is no longer called).
104 * Minor adjustments to pquery parser (PQF). Token characters may be
105 escaped by using backslash (C-style).
107 PQF parser allows string attribute values to be specified. For @attr,
108 non-numeric characters after the equal-sign are treated as strings
109 (e.g. @attr 9=title).
111 CCL trunction character may be defined (@truncation in file)
113 * function zget_ExtendedServicesRequest sets waitAction to
114 waitIfPossible (was wait).
116 Added cs_set_blocking to set change blocking mode of a COMSTACK. Thanks
119 CCL operator names may be set in field definition files (CCL_bibset).
120 See ccl/bib1 for an example.
122 Fixes in ASN.1 compiler for C++ compatibility.
124 * Renamed members "and" and "or" in struct Z_Operator to "op_and"
125 and "op_or" to avoid conflict with C++.
127 Fixed problem with GNU readline detection on Redhat 7.0.
129 Added step-size for Scan backend handler.
131 Fixed bug that made the frontend server crash when no attribute
132 set was specified for scan.
134 Front-end server automatically switches to original working directory
135 when installed as an NT service. Previously -w had to be specified to
138 Added extended attributes for retrieval module (data1), so that data1
139 records carry d1_readXML/SGML attributes. d1_read also supports
140 null-data rules ( <tag/>)
142 On UNIX when POSIX threads are available, a separate library libyazthread
143 is created. Programmers should link with that library and the yaz library
144 when using threads. The reason for the split was that some applications
145 on Linux, such as Apache, doesn't work well when using shared objects that
148 Added SSL support for the COMSTACK. You start yaz-client and yaz-ztest
149 (or any frontend server) in SSL mode by specifying ssl: followed by
150 address. Only tested on UNIX.
152 Added feature for CCL module. Virtual structure s=al or s=ol generates
153 and-list and or-list respectively instead of phrase search.
157 * Added prefix "yaz_" for the functions log_init.., log_file.. and
158 log_mask_str. This was done to avoid name conflicts with other libraries
159 (such as other PHP extensions).
161 Added raw OID member for preferred record syntax (request_format_raw)
162 and returned record syntax (output_format_raw) for backend fetch method.
164 Config file yaz-config now accepts options so that it returns specific
165 compile settings, etc. Thanks to Morten Bøgeskov <morten@bogeskov.dk>
167 Shared library support for UNIX using GNU libtool.
169 * Modified backend interface. Request/Response struct's replaced by
170 one read/write C struct. For example bend_fetchrequest and
171 bend_fetchresult have been replaced by single bend_fetch_rr struct.
172 Every handler - even search has to be registered in bend_init
173 handler. This means that the YAZ library no longer refers to
174 external functions and it makes it possible to make the whole
175 thing a single DLL/SO.
177 Added Segment handler for backend server.
179 Added Zmbol/Zebra administrative functions to YAZ client.
181 Threaded frontend server on UNIX (when POSIX Threads are available).
182 Starting the server with option -T enables multi-threading.
186 Added configure option --enable-comp/disable-comp to control use
187 of YAZ ASN.1 compiler. Use --disable-comp to use the old *coders
188 located in sub directory asn.
190 YAZ ASN.1 compiler renamed to yaz-comp in sub directory. It's installed
191 in ${exec_prefix}/bin along with the other programs yaz-client and
194 GNU automake used to maintain makefiles.
198 Changed retrieval module so that we can load records with no abstract
199 syntax defined. Tagpaths in these records are fully composed of string
202 Implemented ISO ILL protocol. Refer to stuff in sub directory ill.
206 On UNIX, the generated makefile now supports a proper 'make install'.
207 The prefix can be set via GNU configure to set the install location
208 (default is /usr/local).
210 * YAZ programs client and ztest were renamed to yaz-client and
211 yaz-ztest to avoid conflicts when users install YAZ in "standard"
212 locations, such as /usr/bin,/usr/local/bin,etc.
214 * YAZ Header files were moved from include to include/yaz. YAZ Header
215 files are referred to as include <yaz/log.h> rather than <log.h>.
216 The YAZ include path (-I ..) is therefore the same as before. Programmers
217 should update their #include statements or use -Ipath/include/yaz
218 instead. The main motivation for doing this change is that YAZ header files
219 can be installed in "standard" locations /usr/include,/usr/local/include
220 without introducing conflicts, since ALL YAZ header files are stored
221 in subdirectory yaz (under /usr/include for example).
223 Compilation of YAZ for WIN32 is now handled by an nmake-style makefile
224 rather than project/workspace files. We switched because project files
225 are incompatible between Visual C++ 5 and 6. Refer to windows.txt for
228 Changed name of logging function, logf, to yaz_log, to prevent name
229 clash with some math-log functions. The YAZ header log.h defines logf
230 to yaz_log (#define) so there should be no incompatibilities by this
233 Added bend_start/bend_stop handlers for server. These handler are
234 called on start/stop of server. For windows they are called whenever
235 a service is started/stopped.
237 * YAZ now auto-generates decoders/encoders for the Z39.50 protocol using
238 a fairly small ASN.1 compiler written in Tcl. The compiler is located
239 in util/yc.tcl. The auto-generated C code structures are, in a few
240 cases, incompatible with the old decoders. There are differences in the
241 following C structures Z_DiagRec, Z_External, Z_SortRequest, Z_SortResponse,
242 Z_AttributesPlusTerm, Z_ProximityOperator, Z_DefaultDiagFormat.
243 The preprocessor variable ASN_COMPILED is defined when the compiled
244 ASN.1 is being used. Encoder/decoder routines as well as the Z39.50
245 protocol ASN.1 is located sub directory <tt>z39.50</tt>. If you
246 wish to use the old encoders/decoders you can specify --disable-yc
249 Assigned OID for old DB Update (VAL_DBUPDATE0). Updated YAZ compiled
250 version so that it supports both new - and old version of DB Update
252 * Added 'name' parameter to ODR encoder/decoder routines to facilitate
253 pretty ODR print. Updated whole Z39.50 encoder/decoder to reflect the
254 change. The name parameter can be set to 0 in which no name is specified
255 for the construction. The macros odr_implicit and odr_explicit sets name
256 parameter to zero for the construction involved. New macros
257 odr_implicit_tag and odr_explicit_tag are similar to the others,
258 except that a name parameter is added. For programmers' that don't use
259 ODR they probably only need to change the call to z_APDU and z_External.
261 Added access control facility by interfacing the TCP wrapper library.
262 YAZ automatically attempts to find the TCP wrapper Library (-lwrap) and
263 tcpd.h on Unix systems. For the server, option -d<daemon> specifies the
264 name of the daemon and enables the access control as specified in
265 hosts.allow/hosts.deny. Refer to man pages tcpd(8) and hosts_access(5).
267 Fixed memory leak in ccl_find_str and ccl_qual_rm. Thanks to Hans van
268 den Dool <H.M.vdnDool@kub.nl>.
270 Added reference ID parameter to most functions in server API - refer
271 to backend.h. Thanks to Hans van den Dool <H.M.vdnDool@kub.nl>.
273 Changed name of ccl library to libccl.a (was ccl.a).
275 Fixed bug in decoder for Explain (Category TargetInfo).
277 Added support for GNU readline in client. Thanks to Jacob Poulsen
278 <ja7@dbc.dk>. GNU configure attempts to detect if readline is available.
280 * CHANGED DEFINITION OF ES: UPDATE (INCLUDING THE OID) to reflect the
281 new definition from the ZIG. NOTE THIS IF YOU HAVE AN UPDATE
282 IMPLEMENTATION! This change was made to the development version before
283 the ZIG decided to retract the amendment. If any users MUST be
284 compatible with the original Update definition, PLEASE CONTACT US, and
285 we will include a separate definition corresponding to the old Update
286 ES. Note that because of the change to the ASN.1 of the
287 TaskPackageRecordStructure we cannot define a single structure that
288 will support both versions.
290 * Added const modifier to buffer parameter for some ODR/BER encoding
291 routines: ber_dectag, ber_declen, odp_more_chunks, completeBER,
292 completeWAIS, odr_dumpBER.
294 Fixed bug in client.c which caused a crash when a scanResponse didn't
295 contain positionOfTerm.
297 * Fixed inconsistency in the ScanResponse/ListEntries protocol. This
298 * will cause an error in a client if a non-YAZ target sends both a
299 * list of Scan entries and non-surrogate diagnostics.
301 Retrieval module enhancements. Tag sets may be typed in the reference
302 to it. From the .abs-file the "tagset" directive takes a third optional
303 integer type for the tag set referenced. From a .tag-file the "include"
304 directive takes a third optional type as well. The old "type" directive
305 in the tag set itself is still recognized but acts as the default type
308 Backend interface change. Individual Scan terms returned from bend_scan
309 may also be tagged as Surrogate Diagnostics. Refer to struct scan_entry
310 in include/backend.h.
312 Retrieval module enhancements. Multiple tag sets and attribute sets may
313 be specified in abstract syntax specs. Revised the error/warning for
314 logging messages reported by the retrieval module when reading the
317 Object Identifier system (oid_..) changed. The API is backwards
318 compatible but the oid-routines now allocates new OID's when needed.
319 Raw OID's may be specified in oid_getvalbyname.
321 YAZ now uses GNU configure to generate Makefile(s).
323 * Minor changes in some of the member names of DeleteResultSetRequest and
324 DeleteResultSetResponse. See include/proto.h.
326 * Changed some C definitions regarding EXPLAIN record syntax (prt-exp.h)
327 and added member 'languages' in TargetInfo (which was missing).
329 Changed the way attribute sets are handled in the retrieval
330 module. These are now cached, just like the abstract syntaxes
333 Changed YAZ so that it links with compiled ASN.1.
335 Added Explain-schema definitions and mapping routines. The following
336 Explain categories have been implemented: AttributeDetails,
337 AttributeSetInfo, DatabaseInfo, CategoryList and TargetInfo.
339 Fixed minor bug in Windows version of Server Library.
341 --- 1.4pl2+ 1998/4/17 (Released with Zebra)
343 Added Extended Services to server (backend.h). Thanks to Charles Woodfield.
345 Added EXTERNAL: UNIverse Resource Report (non-standard).
347 Implemened odr_enum and odr_set_of functions to handle ASN.1 types
348 ENUMERATED and SET OF.
350 * Added 'const' to some of the char pointer arguments for the
351 functions, data1_read_node, data1_getelementbytagname,
352 data1_insert_taggeddata, data1_getesetbyname, data1_getelementbyname,
355 Fixed bug in data1_insert_taggeddata - the last_child member of
356 parent wasn't initialised.
358 * Changed data1_read_record and data1_read_node so that the supplied
359 "SGML"-buffer is read-only. In particular the resulting data1 - tree
360 doesn't refer to any parts of the "SGML"-buffer.
362 Fixed bug in server library (Windows version of statserv_remove).
364 * Changed code so that it compiles as C++. The type definition
365 of Odr_fun which is a member of Odr_arm was changed. The result is,
366 that an explicit typecast is needed for the fun pointer when
367 using Odr_arm - as in:
368 {1, -1, -1, Z_IdAuthentication_idPass, (Odr_fun)z_IdPass},
370 Updated TagSet-G and -M definitions (tagsetm.tag and tagsetg.tag).
372 Implemented the new structured date and time definition as approved
373 by the ZIG. Added schemaId element to the specificTag in Espec-1
374 (also approved at the last ZIG). Thanks to RVDM.
376 Added some Object identifiers (RVDM).
378 Changed the Update Extended Service (RVDM).
380 Added command "refid" to client which specifies referenceId for
381 the following requests.
383 Implemented extended service handling for server. See ztest.c
384 for an example as well as backend.h. New handlers are registerd
387 * Changed interface for sort in server.
389 Added new members to statserv_options_block. It allows a server
390 to read options from another source than just the command line. Thanks
391 to Charles Woodfield.
393 * Changed definition of Z_Triple in file prt-grs.h - member boolean
394 renamed to zboolean. Some C++ compilers complained about the name.
396 Minor changes to gils.abs. Added index 's' (sort) on title
397 and date/time-last-modified.
401 Fixed bug in server library regarding inetd mode (-i). This bug
402 was introduced by release 1.4.
406 Added sort facility in client and backend server interface.
408 Fixed problem with dependencies in Makefile(s).
410 Fixed bugs for encoders/decoders of extended services and
413 Implemented sub-tree feature for schemas. Sub-trees are
414 referenced in *.abs-files. See explain.abs for an example
415 of the use of this feature.
417 Modified bib1.att; local attributes for ANY didn't include
418 ANY itself (only affects use of the retrieval module).
420 Fixed bug in plain SGML reader in function data1_read_node:
421 tags with prefix "var" was incorrectly interpreted as variants.
423 Added feature "sub-schemas" to enable references to - and definitions
424 of - group of elements.
426 * Removed member parent from type data1_element (in data1.h).
428 Implemented function odr_nullval() that returns the value of
431 * Removed member num_children from data1_node (in data1.h).
433 Made NT service interface part of the server library. The
434 function statserv_main uses the NT service when required and
435 calls the statserv_start / statserv_close routines.
437 Routine zget_SearchRequest and zget_PresentRequest fills
438 resultSetName/Id member with "default" instead of "Default".
440 Fixed memory leak in server. Request queue member wasn't freed.
442 Fixed nmem_exit so that memory is freed.
446 Revised the CCL parser utility to be thread safe.
448 Added function, oid_ent_to_oid, to replace the function
449 oid_getoidbyent, which is not thread safe.
451 * Added nmem_init and nmem_exit to initialize and release
452 NMEM resources. Function nmem_init should be called once in the
453 initial thread before NMEM/ODR is used. statserv.c and client.c
454 have been changed accordingly. The change was necessary to make
455 NMEM thread safe. The NMEM memory pool is shared amongst threads
456 in a process. Unix-based applications will still work fine without
459 Added NT Services interface for the the Z39.50 (statserv) Server.
460 Refer to the ztest.c source on the usage.
462 Windows 95/NT port using MSVC5.0. Project files are included in the
465 * Defined new 'global' handle for the retrieval (data1) system. The
466 new handled, data1_handle, describes the state of the data1 system.
467 This handle is passed as first argument to virtually all
468 data1 related routines. The functions data1_create and data1_destroy
469 creates and destroys a data1 handle respectively.
471 Added ODR encode stream member to all backend request structures
472 init, search, scan etc. This stream should be used to allocate all
473 memory used for the response when thread safe operation is needed.
475 Changed the comstack utility, cs_addstr, to be thread safe. The
476 returned hostname string returned by the function is now part the
479 Added comstack utility, cs_straddr, which replaces the tcpip_strtoaddr
480 function. The cs_straddr takes a COMSTACK handle as argument, so this
481 function must be used after cs_create and before bind/connect.
482 This function is thread safe.
484 Moved test server to 'ztest' directory - generic server code still
485 in 'server' directory.
487 Made prefix query (pquery.c) utility thread safe.
489 Added new function modifier YAZ_EXPORT to 'export' public DLL
490 functions when using windows (see include/yconfig.h).
492 Added definitions to the OID database (util/oid.c) (RVDM).
494 Added new BIB-1 diagnostic messages to the handler diagbib1_str.
496 Added call to ccl_rpn_delete in client program.
498 Added ODR argument to ccl_rpn_query and ccl_scan_query to provide
499 release of RPN structure.
501 Added support for C++, headers uses extern "C" for public definitions.
502 With input from RVDM.
504 In handling of SEQUENCE OF: Counter set to zero when SEQUENCE OF is absent.
505 Thanks to Ronald van der Meer (RVDM).
507 Added initializers (zget_ routines) for a number of PDUs. Thanks to RVDM.
509 Added support for private extensions to the OID database
510 (oid_setprivateoids()). Thanks to RVDM.
512 Added optional, physical ANY (key replication)
514 Fixed null-reference problem in GRS-1 output filter.
516 Proximity operator added to Prefix Query Format (PQF).
518 In test client command "base" accepts multiple databases.
520 Fixed bug in cs_close stack that caused trouble with WINSOCK.
524 Fixed tagging bug in ResourceReportResponse PDU encoder/decode.
526 Smallish bug-fixes in the new encoders/decoders (explain).
528 Bug fixed in DeleteRequest.
530 Fixed tagging bug of type 101 query in SearchRequest-Query PDU encoder/decoder.
532 Fixed tagging bug in ResourceReportResponse PDU encoder/decode.
534 Added SOIF syntax (using private OID for now) to retrieval module and client.
536 Added Update extended service.
538 Added SearchResult-1 additional info structure.
540 Added optional CCL (ISO8777) interpreter as separate module. Available
543 --- 1.2 1996/6/10 (1st anniversary release)
545 Added Summary record syntax. Lightly tested.
547 Added OPAC record syntax. Untested.
549 Added ResourceReport service encoders/decoders. Untested.
551 Fixed bug in z_Unit - wrong tagging on unitSystem.
553 Fixed bug in the DiagRecs decoder.
555 Added options for max PDU size and session timeout to frontend-server.
557 Added documentation of query-language parsers and other supporting utilities.
559 [frontend-server] Added Attribute set to the bend_scanrequest API.
561 [frontend-server] NextResultSetPosition was sometimes set incorrectly when
562 surrogate diagnostics were generated.
564 [retrieval] Allow multiple local values for attribute.
566 [retrieval] Allow multiple attributes per element in .abs files. index type.
568 [retrieval] Added Summary tagset, abstract syntax, and d1-node/ASN filter.
572 Minor changes, mostly specific to Zebra's requirements (retrieval)
576 Repaired bug in frontend server when running multiple listening
577 endpoints in dynamic mode.
579 z_External() now won't break if a known, ASN.1 value comes encapsulated
580 in an octet-string. The value will pass through unmodified in an Odr_oct.
582 Added a bit of code to the demo client to decode & display
583 ASN.1-structured records represented in the octet-aligned branch of
584 the EXTERNAL CHOICE. Thanks to CAS for prodding us to finally do this.
586 Added z_ext_getentbyref() to the ASN module. Doc updated.
588 * Completed the SCAN definition in the ASN module. This may break SCAN
589 code based on older YAZ-versions at compile-time. The fix is easy -
592 * Added 'displayTerm' and OtherInformation to the TermInfo structure
593 under the SCAN definition. Remember to initialize this, server-people.
595 Comstack should now support the WAIS protocol in TCP/IP mode. Note
596 that this does not extend to ODR and ASN.
598 Comstack allows insertion of established socket (primarily for
599 inetd-operation of servers). Doc updated.
601 Front-end server can now start from the inetd in TCP mode. Doc
608 Fixed small problem in SUTRS-filter. A newline was sometimes inserted before
609 the rank and record number.
611 Adjustments to the frontend server.
613 Fixed diagnostic BER dumper. It ignored the file argument.
617 Various changes to retrieval module.
619 Changed the union discriminators of the protocol files from enums to
620 ints paired with #defines.
622 *Changed oident.class to oident.oclass to avoid a reserved word in C++
625 *Changed operator in the RPN structure to 'roperator', again to avoid a
628 Fixed problems in Explain decoders/encoders.
632 Memory bug in log module fixed.
636 Occasional malloc() of 0 bytes fixed in d1_espec.c.
638 Bug in Explain DatabaseInfo module fixed.
640 Some '\r' snuck into one or two of the ret'l config tables. A curse on Windows.
644 The shift to v1.0 signals that we now consider the *core* functionality
645 of YAZ reasonably stable (the core being more or less equivalent to
646 Z39.50-1992). Some of the really nifty v3 stuff is still not heavily
647 tested (Explain not at all - though that will happen soonish).
649 Minor changes to code to support Windows port.
651 Various minor changes after we're getting to use GRS-1 & co. more.
653 Added Espec-1 format.
655 Added VisibleString field body type to GRS-1. It is illegal acc. to my copy
656 of the protocol and it cannot be selected when encoding (maps into 'string'
657 when decoding). Needed to talk to some servers.
659 Demo client can request simple element set names.
661 Added Diagnostic Format encoders/decoders.
663 Added simple Close handling to frontend server (no hooks for resource
664 reporting yet), and demonstration client.
666 Added cs_addrstr() command to COMSTACK to retrieve peer hostname/address.
670 Fixed bug in the frontend-server. The numberOfRecordsReturned field was
671 handled incorrectly when records were requested in the searchResponse. This
672 will only affect you if you use the frontend-server.
674 Added GRS-1 encoders/decoders to the service-level API. Lightly tested.
675 Test-client will ask for and print GRS1. Ztest will return dummy records
678 Added Explain encoders/decoders to the service-level API. Untested.
680 Added Extended Services: Item Order encoders and decoders to the Service-
681 level API. Untested. We could use a recent copy of the pertinent bits
682 of the ILL protocol to add those bits.
684 Added diagnostic format 1 encoders/decoders to the service-level API.
687 Moved pretty-printing of structure-wrappers ({..}) from odr_seq.c to
688 odr_cons.c, which causes a more correct output.
690 Fixed handling of searchRequest in frontend server. NextResultSetPosition
691 was always set to 0 when no records were requested in the searchRequest.
693 * Added better external-handling. This shouldn't harm old code that
694 *encodes* externals. It can break code that looks for a
695 'single-ASN1-type' representation, since those types that are known
696 are now decoded immediately. Look at the SUTRS sample code in
697 seshigh.c and client.c. Documentation updated.
699 Handling of structured records in bend_fetchresponse. Length -1 marks
700 structured record, type is deduced from format field.
703 Fairly quick maintenance release to add SUTRS support.
705 Fixed handling of SUTRS records in the demonstration client.
707 * Added format field to the bend_fetchrequest and bend_fetchresponce
708 structures of the backend API (frontend server). When the record is
709 returned, the value of the format field is mapped to an OID. The
710 value VAL_SUTRS will also cause a slightly different ASN.1 packaging
711 of the record. The special value VAL_NONE in the bend_request means
712 that no specific format was requested by the client. Documentation
713 updated accordingly. Test server (ztest) will return a fixed dummy
714 SUTRS record if your client requests SUTRS.
716 Documentation updated accordingly.
718 You can now set external libraries and RANLIB support in the top-level
722 First public release.