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Frequently Asked Questions (FAQS);faqs.443



   HyperProlog. See Delphia Prolog.

   IBM PROLOG for AIX/6000 (PFA) is a high performance implementation of
   the PROLOG language, combined with a powerful programming environment,
   especially designed for the IBM RISC System/6000 under AIX. PFA was
   developed by BIM as an adaptation of ProLog by BIM for the IBM RISC
   System/6000 under AIX. It was selected by IBM Europe as their
   official PROLOG implementation for the RISC System/6000 (Program
   Number 5776-FAH). For more information: In North-America contact BIM
   systems, 11111 Santa Monica Bld, call 310-445-1500, fax to
   [phone]; in Europe contact your local IBM representative.
   Elsewhere contact BIM, Kwikstraat 4, B-3078 Everberg, Belgium, call
   [phone], or fax [phone], or email [e-mail].

   IF/Prolog is a Prolog interpreter and compiler with X-window and
   OSF/Motif development environment, bidirectional C interface, on-line
   hypertext manual, and X-window, OSF/Motif interfaces and various SQl
   interfaces.  It runs on Apollo, Aviion 300, Macintosh (A/UX), microVAX
   2000 (Ultrix), Vax (Ultrix, VMS), VaxStation (Ultrix), DEC Alpha
   (OSF/1, VMS), HP9000, Sun3, Sun4, Sparc, UTS, AIX/370, IBM RS/6000,
   Decstation (Ultrix, OSF/1), Sequent S16, Silicon Graphics, Sony News
   (Unix), Motorola, Nixdorf, Interactive Unix, SCO UNIX, DOS-based 386
   PCs, and Windows 3.0/3.1.  For more information, write to American
   InterFace Computer, Inc., One Westlake Plaza, 1705 Capital of Texas
   Highway South, Suite 200, Austin, TX 78746, call 512-327-5344, or fax
   512-327-5176, or e-mail [e-mail].  European Customers may write
   to InterFace Computer GmbH, Garmischer Strasse 4, D-8000 Muenchen 2,
   Germany, call [phone], fax [phone], or email
   [e-mail]. Reviewed in AI Expert January 1991.

   IQSOFT MProlog is a high-level emulator with interpreter for Unix,
   Macintosh and IBM PC. Runs on Vax (Unix 4.2 BSD), 68000-based machines
   (Unix), Tektronix 4404, HP3000, and Siemens 1.  For more information,
   write to IQSOFT, SZKI Intelligent Software Ltd., Iskola u. 10.,
   Budapest, H-1011, Hungary, call [phone], fax [phone], or
   send email to [e-mail].

   LPA Prolog is a prolog compiler for IBM PCs (DOS, Windows) and Apple
   Macintosh.  LPA Prolog ++ is an object-oriented programming system
   based on Prolog.  Write to Logic Programming Associates, Ltd., Studio
   4 Royal Victoria Patriotic Building, Trinity Road, London SW18 3SX,
   England, call [phone], fax [phone], or email
   [e-mail] or [e-mail] (Clive Spenser).
   LPA products are distributed in North America by Quintus under the
   Quintus name.

   MU-Prolog, NU-Prolog are prolog interpreters from the University of
   Melbourne. Source licences are available for educational institutions.
   Implemented in C for BSD Unix. Currently running on Sun3, Sun4, Vax,
   Elxsi, Encore, and SGI. For more information, write to University of
   Melbourne, MU-Prolog Distribution, Department of Computer Science,
   Parkville, Victoria 3052, Australia, call [phone], or send email to
   [e-mail] and [e-mail].

   OU Prolog is a prolog interpreter from Open University for IBM PC
   (MS-DOS). Includes video, books. Ask for item PD622 and quote
   reference SA69. For more information, write to Open University,
   Learning Materials Sales Office, PO Box 188, Milton Keynes MK7 6DH, UK.

   PDC Prolog runs on IBM PCs (DOS, OS/2, Windows and SCO Unix). Formerly
   known as Turbo Prolog from Borland. Includes a native code compiler
   but is incompatible with most other prologs. Its variables are
   strongly typed, unlike most other prologs. For more information, write
   Prolog Development Center, 568 14th Street, Atlanta, GA 30318, call
   800-762-2710, (404-873-1366), fax [phone] or email
   [e-mail] (general information), [e-mail] (sales),
   [e-mail] (tech support). A BBS is run at 404-872-5358.  European
   customers may write to Prolog Development Center, A/S, Hj Holst Vej
   5A, DK-2605 Broendby, Denmark, call [phone], or fax +45 36 72
   02 69. Reviewed in AI Expert January 1991.

   POPLOG is a high-level prolog emulator with interpreter.  The POPLOG
   environment integrates four AI programming languages in one
   environment: Lisp, Prolog, ML and POP11. POPLOG can also load in C and
   Fortran binaries.  Runs on VAX (Ultrix, VMS), VAXStation (Ultrix),
   DECStation (Ultrix), Sun 3,4, Sparc, Solbourne, HP Apollo 9000/400,
   Sparc (HP-UX), MIPS (RISCOS), Sequent Symmetry (Dynix), Apple
   Macintosh (AUX), SONY News (News-OS), and Silicon Graphics Iris
   (Irix). The academic version from Sussex University. For more
   information, write to POPLOG, Sussex University, Poplog Manager,
   School of Cognitive Sciences, Falmer, Brighton BN1 9QN, UK, call +44
   273 608367, fax [phone], or send email to
   [e-mail]. The commercial version is available
   from Integral Solutions Ltd as Integral Poplog and Pop++. For more
   information, write to Integral Solutions Ltd, Unit 3, 23 Campbell
   Court, Bramley, Basingstoke Hampshire RG26 5EG, UK, call [phone]
   28, fax [phone], or send email to [e-mail] or
   [e-mail].  The North American retailer is Computable
   Functions Inc. For more informatin, write to Computable Functions Inc.,
   35 S.  Orchard Drive, Amherst, MA 01002, call 413-545-3140, or fax
   413-545-3140. Contact Robin Popplestone, [e-mail], for info
   on a new book on Pop-11.

   Prolog III integrates constraint programming with Prolog. It runs on
   Apple Macintosh, IBM PC (386, MS-DOS), Next, Sun3, Sun4, Sparc, HP9000,
   Apollo, RS/6000, Bull DPX, Masscomp (Unix), Vax (Ultrix, VMS),
   DecStation and MicroVAX. For more information, write to PrologIA,
   Parc Technologique de Luminy, Case 919, 13288 Marseilles, France,
   call 33-91-26-86-36 or fax [phone]. The US point of contact
   for Prolog III by PrologIA is BIM Systems, Inc..

   Prolog-86 is available from Solution Systems Inc. For more
   information, write to Solution Systems Inc., 335-D Washington Street,
   Norwell, MA 02061, call 617-337-6963, or fax [phone].

   Quintec Prolog is a high-level emulator with interpreter for IBM PC
   (MS-DOS), Vax, VAXstation (Ultrix, VMS), Decstation (Ultrix), and
   Sparc (SunOS4.0).  For more information, write to Quintec Prolog,
   Quintec Systems Ltd., Midland House, West Way, Botley, Oxford OS2 0PL,
   UK, call [phone], or fax [phone].

   Quintus Prolog is a low level emulator that runs on Unix (Sparc, sun2,
   sun3, sun4, 386i, VAX (Ultrix, VMS), uVAX (Ultrix), HP9000, Apollo,
   DecStation, IBM RT, Sequent S/27, S/81, IBM PS/2 (AIX), Intel 80386
   (Unix V.3), Intergraph, Solbourne, RS/6000, and MIPS), IBM PC (DOS,
   Windows), and Macintosh.  Includes a cross-referencing facility. For
   more information, contact Quintus Corporation, 2100 Geng Road, Palo
   Alto, CA 94303, call 1-800-542-1283 (415-813-3800), fax [phone],
   or email [e-mail] (sales), [e-mail] (tech support).
   To be added to the users group mailing list, send mail to
   [e-mail].  Version 3.0 reviewed in AI Expert
   January 1991 and February 1991 and IEEE Expert April 1991.  LPA
   products are distributed in North America by Quintus under the Quintus name.

   SICStus Prolog is a Unix prolog by SICS. It is portable to most UNIX
   machines (Berkeley UNIX is preferred over System V).  SICS Aurora and
   Echo is a parallel emulator for Sequent Balance, Sequent Symmetry,
   Encore Multimax, and BBN Butterfly (Unix). For more information, write
   to SICS, Swedish Institute of Computer Science, P.O. Box 1263, S-164
   28 KISTA, Sweden, call [phone], fax [phone], or send
   email to [e-mail]. Bug reports and tech support questions
   should be sent to [e-mail]. To subscribe to the users group
   and implementors mailing list, send email to [e-mail].

   SNI Prolog Version 3 is an implementation of the Prolog language that
   is compatible with the ISO Standard draft. It is available from
   Siemens Nixdorf for Unix workstations for about DM 11100 in Germany.
   SNI Prolog runs on the SGI, SNI and Sun platforms, and ports to other
   systems, including MS-DOS, are in progress.  Includes coroutines,
   finite domains, numerical and boolean constraints, garbage collection,
   incremental compilation, dynamic linking, hypertext style on-line
   help, a window environment with an integrated editor, interfaces to
   INFORMIX, Motif/XWindows and C. The constraint programming features of
   SNI Prolog provide support for solving problems from operations
   research such as dynamic resource allocation and flexible scheduling
   with numerical constraints or the verification of complex systems with
   Boolean constraints. For more information, write to Siemens Nixdorf
   Informationssysteme AG, Otto-Hahn-Ring 6, D-8000 Munich 83, Germany,
   Attn: Hans-Juergen Stenger, Systems Planning, call [phone],
   fax [phone], or send email to [e-mail].

   SPIES YAP is a high-level emulator with interpreter for Sun3, Sun4,
   VAXstation, SGI, HP9000, Apple Macintosh and Amiga (Atari ST). For
   more information, write to SPIES, Sociedade Portuguesa de, Importacao
   e Exportacao de Software, Lda Av da Republica, 46 - 2, 1000 Lisboa,
   Portugal, call [phone], or fax [phone].

   Turbo Prolog. See PDC Prolog.

Parallel Prologs:

   Densitron CS Prolog is a parallel prolog compiler and interpreter for
   IBM PCs (MS-DOS or OS/2), T414/T800 transputer (mono or multi), 386
   (Unix V), uVAX (VMS), or VAX(VMS). Also standard Prolog for MS-DOS,
   UNIX and VAX.  For more information, write to Densitron, Unit 4,
   Aiport Trading Estate, Biggin Hill, Kent, TN16 3BW, UK, call +44 959
   76331, or fax [phone].

   Paralogic is a parallel implementation of the Clocksin and Mellish
   Prolog. It runs on DOS-based PCs or Apple Macintoshes with the INMOS
   Transputers. For more information, write to Paralogic Inc., 115
   Research Drive, Bethlehem, PA 18015, call 215-861-6960, fax
   215-861-8247 or email [e-mail]. It is also
   distributed by Computer Systems Architects, 905 N. University Avenue,
   Provo, UT 84604-3422, 800-753-4272 (801-374-2300), fax [phone].
   British customers may contact Parallel Logic Programming Ltd., PO Box
   49, Twickenham, Middlesex TW2 5PH, UK or call [phone].

   PARLOG is a parallel emulator from Imperial College for the Sequent
   Balance, Sequent Symmetry, Encore Multimax, Alliant FX (Unix), Sun
   (Unix, 1 processor). For more information, write to Imperial College,
   Department of Computing, Parlog Distribution Secretary, 180 Queen's
   Gate, London SW7 2BZ, UK, call [phone] x7537, fax [phone]
   8024, or send email to [e-mail]. Imperial College also
   used to produce IC Prolog.

   Strand-88 is a parallel emulator for Sun3, Sun4, Sparc BBN Butterfly,
   GPT2000, Cogent Multimax, Intel iPSC/2, iPSC/860, MIPS RiscStation,
   Sequent Symmetry Balance (Unix System V or Mach, Helios) and
   communication component from CSTools, Express in some cases.  Also
   Transputer systems PC hosted systems from Paracom, Telmat and others,
   Unix hosted systems from Meiko, Paracom, Telmat and others, Apple
   Macintosh, Atari ATW, and NeXT. Price dependent on configuration and
   scale of target machine. For more information, write to Strand
   Software Technologies Ltd., Ver House, London Rd, Markyate, Herts AL3
   8JP, UK, call [phone], fax [phone], or send email to
   [e-mail].

   SICS Aurora and Echo. See SICStus Prolog above.

Object Oriented Systems:

   LAP is an object-oriented system by Elsa. For more information, write
   to Elsa Software, La Grange Dame Rose, 6 ave du Marechal Juin, 92366
   Meudon-La-Foret Cedex, France, call [phone], fax +33 (1)
   46 30 55 26, or send email to elsa![e-mail].

   SPIRAL is an object oriented system by CRIL for Sun3 and Sun4 under
   Unix. For more information, write to CRIL, Conception et Realisation,
   Industriel de Logiciel, 146 bd de Valmy 92707, Colombes Cedex, France,
   call [phone], or fax [phone].

Constraint Systems:

   CLP(R) is a constraint system from Monash University for VAX, Sun, and
   Pyramid (Unix). Costs $150. For more information, write to Monash
   University, CLP(R) Distribution, Department of Computer Science,
   Clayton, Victoria 3168, Australia, or send email to
   [e-mail].

   Trilogy is a constraint system developed by Complete Logic Systems. It
   costs $100. For more information, write to Complete Logic Systems, Inc,
   741 Blueridge Avenue, V7R 2J5, North Vancouver BC, Canada, or call
   604-986-3234.

   VS Trilogy is a Prolog compiler available from Vertical Software for
   $395.  For more information, write to Vertical Software Ltd., 14-636
   Clyde Ave, W. Vancouver, BC, V7T 1E1, Canada, call 604-925-0321, or fax
   604-688-8479.

----------------------------------------------------------------
Subject: [4]  FTP Archives and Other Resources

The following are achives that contain Prolog-related material, such as
code, interpreters, articles, etc. Most of the archives are ftp sites.
They are listed by domain.name and [IP Address]. To access them and
download programs type at the prompt:

    ftp <site name> (or IP address)
    login: "anonymous",
    password: your own return email address,
    cd <directory>, ls to see files,
    set binary,
    get <filename> to transfer file to your system
    stop with quit or exit

Deviations from this general scheme may occur but the above should
work in most cases.


   Artificial Intelligence Programs:
      aisun1.ai.uga.edu [128.192.12.9]

      Contains public domain Prologs, such as Open Prolog and ESL PD Prolog,
      all programs from the book by Covington, Nute, and Vellino, (see
      the section on Books below) and some technical reports with
      accompanying code.  Maintained by Michael Covington, the University
      of Georgia, [e-mail].


   ALP-UK Library:

      The best Prolog library currently is the one collected by the ALP-UK
      group. It is available to members at 30 pounds sterling for a Sun
      cartridge or 2 pounds/IBM DOS disk. (non-members maybe, how much?) It
      contains MBs of Prolog systems (including SB Prolog), libraries
      (including the Edinburgh library), benchmarks, grammars, theorem provers,
      object and graphics systems etc.  For more information, write to ALP-UK
      Library, Sanjay Raina, Librarian, Dept. of Computer Science, University
      of Bristol, University Walk, Bristol BS8 1TR, UK, call [phone]
      x3304, or send email to [e-mail].


   Logic Programming Bibliographies:
      duck.dfki.uni-sb.de [134.96.188.92]

      The BiBTeX bibliographies are available in /pub/lp-proceedings.


   Prolog Repository:

      Established by Jocelyn Paine of Experimental Psychology, Oxford
      University in 1987. The current catalogue (January 1991) contains
      30 entries. For catalogue, queries and contributions contact POPX at:
         [e-mail] (internet) or
         [e-mail] (janet)

      FTP access is available through the Imperial College archive at
         src.doc.ic.ac.uk  (146.169.2.1)
      in the directory
         computing/programming/languages/prolog/pd-software
      with a short-cut link of:
         packages/prolog-pd-software
      To access it, cd to either of the above directories via
      anonymous ftp. The file README gives a brief summary of the
      contents of the directory and CATALOGUE gives a (long!)
      description of each entry. Entries include the Logic Programming
      Tutor from Paine's book, the DEC-10 public-domain library, the
      Linger natural-language corrector, a simple object-oriented
      add-on for Prolog, graph utilities, among other things.

      Files in the archive are also available on MS-DOS floppies for a
      nominal fee to cover the cost of floppies, postage, and packing.

   Machine Learning Algorithms Implemented in Prolog:

      In 1988 the Special Interest Group on Machine Learning of the German
      Society for Computer Science (GI e.V) decided to establish a library
      of PROLOG implementations of Machine Learning algorithms. The library
      includes PROLOG implementations of Winston's arch, Becker's AQ-PROLOG,
      Fisher's COBWEB, Brazdil's generation of discriminations from derivation
      trees, Quinlan's ID3, inverse resolution, and Mitchell's version
      spaces algorithm. The programs are available via the anonymous
      ftp-server at the University of Osnabrueck:
         dione.rz.uni-osnabrueck.de:pub/unix/mlp  (131.173.128.15)

      Send additional PROLOG implementations of Machine Learning Algorithms
      to Thomas Hoppe, <[e-mail]>. Send suggestions and
      complaints about the ftp library to Werner Emde, University of
      Osnabrueck, <[e-mail]>.


   Prolog to SQL Compiler:

      The Prolog to SQL Compiler translates database access requests,
      which consist of a projection term and a database goal, to the
      appropriate SQL query. The compiler is written in standard Edinburgh
      Prolog and has been ported to a number of Prologs. The code posted to
      comp.lang.prolog works in ECRC's SEPIA Prolog, but should be easily
      ported to other Prologs. A detailed tech report on the implementation
      is available by email from [e-mail] (include
      your full postal address).  The compiler is copyright, but may be used
      free of charge for non-commercial purposes and redistributed provided
      the copyright notice is retained intact.

   PSI:

      PSI is a handy system for the management and retrieval of your
      personal data, be it addresses, CD collections, or bibliographic
      references. It is intended for the non-commercial user. It may not be
      as full-fledged as some data-base systems, but has some features that
      you won't find in most commercial systems. Also, you may find it
      easier to set up and faster to use. PSI is useful for a broad range of
      data. Indexing with descriptors makes searching for the data you need
      fast, and the interface to other data-base formats (import and export)
      is quite powerful.  PSI was written in LPA MacProlog and is a "genuine
      'double clickable' Mac application". PSI runs on all Macs with System
      6 or 7 in 1MB of main memory. As LPA MacProlog isn't yet 32-bit clean,
      PSI isn't either. Extensive documentation and some examples are
      included.  PSI is available by anonymous ftp from
      sumex-aim.stanford.edu, directory info-mac/app, file psi-23.hqx. It
      was also available on a recent Nautilus CD-ROM and will be on the
      first Info-Mac CD-ROM.

   XWIP:
      export.lcs.mit.edu:/contrib/xwip.tar.Z
      ftp.uu.net:X/contrib/xwip.tar.Z

      XWIP is an X Windows interface for PROLOG.

----------------------------------------------------------------
Subject: [5]  Mailing Lists

   Prolog and Logic Programming:
      [e-mail] (general)
      [e-mail] (nitty gritty)

      All requests to be added to or deleted from this list, problems,
      questions, etc., should be sent to [e-mail]

   Concurrent Logic Programming:
      [e-mail]

      All requests to be added to or deleted from this list, problems,
      questions, etc., should be sent to [e-mail] or to
      Jacob Levy <[e-mail]>.

----------------------------------------------------------------
Subject: [6] Books and Magazine Articles

A BiBTeX bibliography of Logic Programming Conferences is available by
anonymous ftp from duck.dfki.uni-sb.de. See [4] above.

The following books are regarded as popular and widely used.  Also
included are some books about WAM. This is not intended to be a complete
Prolog bibliography.

   Hassan Ait-Kaci. Warren's Abstract Machine: A Tutorial Reconstruction.
   MIT Press, Cambridge, MA.  1991.
   ISBN: 0-262-51058-8 (paper), 0-262-01123-9 (cloth).

   Bratko, Ivan, "Programming in Prolog for Artificial Intelligence",
   2nd Ed, Addison-Wesley, 1990

   Campbell, J.A. (ed):  "Implementations of Prolog", John Wiley, 1984

   Clocksin, W.F. and Mellish, C.S: "Programming in Prolog", 3rd Ed.
   Springer Verlag, 1987. (Basic Introduction).

   Conlon, Tom: "Programming in Parlog". Addison-Wesley, 1989,
   ISBN 0-201-17450-2.

   Covington, M.A.; Nute, D.; and Vellino, A.  "Prolog Programming in Depth",
   Scott, Foresman & Co. ISBN: 0-521-40984-5

   Yves Deville: "Logic Programming, Systematic Program Development",
   International Series in Logic Programming, Addison-Wesley, 1990, 338 pages.
   ISBN 0-201-17576-2.

   Gregory, Steve: "Parallel Logic Programming in Parlog: The Language
   and Its Implementation", Addison-Wesley, 1987, ISBN 0-201-19241-1.

   Hogger, C.J.: "Introduction to Logic Programming", Academic Press 1984

   O'Keefe, Richard A.:  "The Craft of PROLOG", MIT Press, 1990,
   ISBN 0-262-15039-5.

   Kluzniak and Szpakowicz: "Prolog for Programmers", Academic Press 1985

   Kowalski, R.A.: "Logic for Problem Solving", New York 1979, Elsevier Publ.

   LLoyd, John: "Foundations of Logic Programming", 2nd Edition,
   Springer-Verlag, 1988. (Intro to logic programming theory.)

   D. Maier, D.S. Warren: "Computing with Logic", Benjamin Cummings, 1989

   Peter Ross, "Advanced Prolog: Techniques and Examples",
   Addison-Wesley, 1989, ISBN 0-201-17527-4.

   Sterling, Leon (ed): "The Practice of Prolog", MIT Press, 1990
   ISBN 0-262-19301-9

   Sterling, Leon, Shapiro, Ehud: "The Art of Prolog: Advanced Programming
   Techniques", MIT Press, 1986 ISBN 0-262-19250-0

   David H. D. Warren: "An Abstract Prolog Instruction Set", Technical Note
   No 309, SRI International, Menlo Park, CA, 1983.

   David H. D. Warren, "Logic Programming and Compiler Writing," in
   Software-Practice and Experience 10(2), 1980.

   Tick, E.: "Parallel Logic Programming". MIT Press, 1991

Magazine Articles:

   BYTE Magazine, August 1987. 5 introductory articles on Prolog.

   Uwe Schreiweis: Beredte Logik, Konzepte der 'KI-Sprache" Prolog,
   (Eloquent Logic, Concepts of the AI language Prolog), iX Magazine,
   October 1992, pages 84-90.

   Uwe Schreiweis: Basis der Fuenf, Die Sprache Prolog in der Public
   Domain, (Base of the Five, Prolog in the Public Domain), iX Magazine,
   October 1992, pages 92-94.

   Uwe Schreiweis: Fuenfte Generation, Kommerzielle Prolog-Systeme,
   (Fifth Generation, Commercial Prolog Systems), iX Magazine, October
   1992, pages 96-102.

   Klaus Bothe: Weniger Raum, Speicherplatzbezogener Prolog-Benchmark,
   (Less Space, A Space Oriented Prolog Benchmark), iX Magazine, October
   1992, pages 106-7.

Magazines Related to Prolog:

   AI Communications (4 issues/yr)
   "The European Journal on Artificial Intelligence"  ISSN 0921-7126,
   European Coordinating Committee for Artificial Intelligence.

   AI Expert (issued monthly) ISSN 0888-3785, Miller Freeman Publishers
   See a copy of the magazine for list of BBS's in NA. On CompuServe: GO
   AIEXPERT. Regularly reviews Prolog interpreters and compilers.

   Expert Systems (issued Feb, May, Aug and Nov) ISSN 0266-4720,
   Learned Information (Europe) Ltd. Subscription: GBP 85 or USD 110

   IEEE Expert (issued bimonthly) ISSN 0885-9000, IEEE Computer Society

   The Journal of Logic Programming (issued bimonthly), (North-Holland),
   Elsevier Publishing Company, ISSN 0743-1066

   New Generation Computing, Springer-Verlag.  (LOTS of Prolog in it.)

----------------------------------------------------------------
Subject: [7]  The Prolog 1000 Database

The Prolog 1000 is a database of real Prolog applications being
assembled in conjunction with the Association for Logic Programming
(ALP) and PVG. The aim is to demonstrate how Prolog is being used in
the real world and it already contains over 400 programs with well
over 2 million lines of code. The database will be published in due
course and available for research use. If you have or know about a
program that might qualify for inclusion, send an email message to Al
Roth ([e-mail]) for an electronic entry form which
only takes a few minutes to complete. Or write to Prolog 1000, PO Box
137, Blackpool, Lancashire, FY2 0XY, U.K., Fax: [phone]
Telephone: [phone]. (Floppy disks for PC or Mac in text form are
also welcome, and paper entries may also be sent).  Queries may also
be addressed to: Chris Moss ([e-mail]), Leon Sterling
([e-mail]).

----------------------------------------------------------------

;;; *** Change Log:
;;; 13-SEP-92 mk    1.0  Updated and revised Dec 1991 version (0.6).
;;;
;;; 15-OCT-92 mk    1.1  Updated IF/Prolog entry.
;;;  5-NOV-92 mk         Info about PSI, Prolog 1000.
;;;  6-NOV-92 mk         Updated Prolog by BIM and IBM Prolog entries.

;;; *EOF*
Xref: bloom-picayune.mit.edu comp.lang.postscript:16097 news.answers:4302
Newsgroups: comp.lang.postscript,news.answers
Path: bloom-picayune.mit.edu!enterpoop.mit.edu!spool.mu.edu!uunet!brunix!brunix!jgm
From: [e-mail] (Jonathan Monsarrat)
Subject: PostScript monthly FAQ v2.01 11-30-92 [11 of 12]
Supercedes: <[e-mail]>
Message-ID: <[e-mail]>
Followup-To: poster
Summary: Useful facts about the PostScript graphics programming language
Sender: [e-mail]
Reply-To: [e-mail] (PostScript FAQ comments address)
Organization: Brown University Department of Computer Science
Date: Tue, 1 Dec 1992 05:50:00 GMT
Approved: [e-mail]
Expires: Thu, 31 Dec 1992 00:00:00 GMT
Lines: 888

Archive-name: postscript-faq/part11
Last-modified: 1992/11/30
Version: 2.01

                              -- PostScript --

                            Answers to Questions

                   (the comp.lang.postscript FAQ v2.01)

                               Jon Monsarrat

                              [e-mail]






                     This FAQ is formatted as a digest.

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                     to the next by pressing control-G.


    Changes since the last version are marked with a '|' in the table
    of contents and in the sections in the text-only format of the FAQ.

    Please help fix the FAQ! All comments should be mailed to
    [e-mail]. My favorite way to receive a change suggestion is
    when it is accompanied by a section of the FAQ that is edited and
    mailed to me verbatim as an example. If you would like to
    contribute, please read the section ``about the FAQ'' first. Thank
    you!

    Books and programs are referred to by name only. See the
    appropriate sections for full information.

Subject: 11 About PostScript 2


Subject: 11.1 What printers run PostScript 2?



    * Apple LaserWriter IIf


    * Apple LaserWriter IIg


    * Apple Personal LaserWriter NTR

      Apple sells an upgrade to the IINTX to turn it into a IIf/IIG for
      instance.


    * Compaq PAGEMARQ 20


    * Compaq PAGEMARQ 15


    * Data Products LZR 960


    * Data Products LZR 1560


    * Hewlett-Packhard PostScript CartridgePlus, which works with the
      HP Laserjet III, IIID, and IIIP.


    * NEC SilentWriter2, model 95


    * Tektronix Phaser III PXi


    * Tektronix Phaser II PXi


    * Tektronix Phaser II PXe


    * Tektronix Phaser IISD


    * Texas Instruments microLaser Turbo


    * Texas Instruments microLaser XL Turbo

    This rest of file contains a description of PostScript 2 written by
    Carl Orthlieb from Adobe.


Subject: 11.2 Introduction

    PostScript Level 2, the first major new release of PostScript
    software since its introduction, is a unification and enhancement
    of the PostScript language based on the needs voiced by users of
    PostScript printers and Display PostScript(R) workstations,
    Independent Software Vendors (ISVs), and Original Equipment
    Manufacturers (OEMs). PostScript Level 2 contains a number of
    performance enhancements, is easier for software developers to use,
    and contains important new functionality such as device-independent
    color, forms handling and patterns support.