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   =========================================================================
                       M I C R O   F O C U S   C O B O L

                                   V3.2.20

                           Running Under The DG/UX
                           Operating System Version 5.4.3
                           On The AViiON
   =========================================================================

                          DOCUMENTATION UPDATE NOTES
                          ==========================

   TABLE OF CONTENTS
   =================
       INTRODUCTION
       ON-DISK DOCUMENTATION
       CHANGES TO PRINTED BOOKS
           COBOL System Reference

   INTRODUCTION
   ============
   These Documentation Update Notes (DUNs) contain changes to the printed
   manuals. These give information that was not available when the manuals
   were printed. You may want to mark the changes in your manuals.

   These Documentation Update Notes also give a list of on-disk documents.

   ON-DISK DOCUMENTATION
   =====================
   This release includes the following on-disk documents:

       main.1       - Release Notes
       dun.1        - Documentation Update Notes
       changes.1    - Compatibility With Previous Releases
       early.1      - Release Notes for Early Release Features


   The following on-disk supplements should be regarded as additional
   chapters, or additions to chapters, in the books shown:

   COBOL User Guide:
       signals.1    - Signal Handling

   COBOL System Reference:
       file.1       - File Structures

   For details of on-disk documents covering Early Release features, see
   the on-disk document early.1.

   Corrections and additions too small for separate on-disk documents are
   given in the section "Changes to Printed Books" in this DUNs document.

   CHANGES TO PRINTED BOOKS
   ========================
   For clarity, the notation and layout in this section are slightly
   different from those in the printed books. For example, headings are
   underlined and command lines are indented. Parameters in command lines
   (which in the printed books are in italics) are here enclosed in < >.

   COBOL System Reference
   ======================

   Chapter 12 (File Handler Utilities)
   -----------------------------------
    o  Page 12-42.  In the list of files for demo4, amend the first line to
       read:

          convert1.int (convert1.cbl, convert1.idy)


    o  Page 12-42.  Change the last section on the page to:

          convert1 Demonstration Program

            The convert1 demonstration program contains code for creating and
            writing records to an indexed file containing fixed length records.
            This file has both data compression and key compression active.  To
            create the file demofile4, type:

            cobrun convert1.int

       -added V3.2.20

   Chapter 26 (Run-time Configuration)
   -----------------------------------
    o  Page 26-4. Add the following new run-time tuneable:

           bll_cell_address_check

               Syntax:     bll_cell_address_check={true|false}

               Value:      TRUE or FALSE

                           If TRUE, a test is run to determine if the top
                           bit of the address of any BLL cell is set. If
                           this bit is set, RTS error 181 "Invalid parameter
                           error" may be returned when testing the address
                           of shared memory.

                           If FALSE, the test is suppressed. This is the
                           recommended setting if BLL-cells are being
                           allocated in shared memory.

               Default:    TRUE


   Appendix E (Directives for Compiler)
   -------------------------------------
    o  Page E -52. In the entry for DATACOMPRESS, below the line:

           1   Specifies run-length encoding

       add a new line:

           3   Specifies run-length encoding for Dbouble-byte Character Set

       and change the first line of the "Remarks" paragraph to:

           The only values that can be specified for data compression
           supported by this system are 1 and 3.

       -added V3.2.20

   Appendix P (Windowing Support for Text-based Systems)
   -------------------------------------------------------
    o  Page P -17. In the section "Demonstration Programs, after the
       paragraph that ends "...rendition of boxes and lines", add the
       following with "Windows" in the left margin:

           The Windows versions of these two demonstration programs are
           mfwnote.cbl and mfwcalc.cbl. To link both mfwnote and mfwcalc,
           enter:

               link mfwnote+mfwcalc+adis+adisinit+adisdyna+adiskey+
                   panels+cobwin2,,,coblib+ doscalls;

           To link mfwcalc on its own enter:

               link mfwcalc+adis+adisinit+adisdyna+adiskey+panels+
                   cobwin2,,,cobl ib+doscalls;

       -added V3.2.20


   =========================================================================
   Micro Focus is a registered trademark of Micro Focus Limited.
   Micro Focus COBOL is a trademark of Micro Focus Limited.
   =========================================================================
   @(#)Vrn/dun.1/3.2.00/29Mar94/nrV
   Copyright (C) 1992-94 Micro Focus Limited

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