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REF REFFILES                                      Andrew Law, April 1987
                                            Updated A.Sloman August 1990

       COPYRIGHT University of Sussex 1993. All Rights Reserved.

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<<<<<<<<<<<<<<<<<<<<<       POPLOG REF FILES      >>>>>>>>>>>>>>>>>>>>>>
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REF files provide  reference-level documentation on  the central  Poplog
mechanisms and faculties such  as text itemisation, compilation,  arrays
and records, input-output facilites, etc, and also information about the
Pop-11 compiler, the core Poplog  facilities for supporting Prolog,  and
the built in editor Ved. There are  separate REF files for LISP and  for
the Poplog X Windows interface, as described below.

         CONTENTS - (Use <ENTER> g to access required sections)

  1   Introduction

  2   doc_index Directories

  3   Related HELP Files

  4   REF File List

  5   See Also



---------------
1  Introduction
---------------

The core Poplog REF files reside in the directory:

        $usepop/pop/ref

There are also specific REF files available from LISP, not listed below,
in the directory

        $usepop/pop/lisp/ref

System information about Prolog  and Poplog ML is  to be found in  their
HELP files, in

        $usepop/pop/plog/help

and

        $usepop/pop/pml/help

There are also several  REF files, also not  listed below, dealing  with
the Poplog facilities for interacting  with the X Windows system.  These
files are to be found in

        $usepop/pop/x/pop/ref

X users may  get a  list of  the available REF  files by  using the  Ved
command:

        <ENTER> ref xpopindex

(For a more complete overview of Poplog directories see DOC * SYSSPEC)




------------------------
2  doc_index Directories
------------------------

The  standard  Poplog  REF  directories  include  a  subdirectory  named
"doc_index". These contain files that form an index to the REFdirectory.
The index files  are created by  LIB * MKREFINDEX. For further  details,
see HELP * MKREFINDEX.




---------------------
3  Related HELP Files
---------------------

Related files in $usepop/pop/help include:

    HELP * REF
        How to invoke REF files

    HELP * DOCUMENTATION
        How to find other sources of on-line documentation

    HELP * HELPFILES
        Overview of HELP files

    HELP * MKREFINDEX
        Describes LIB * MKREFINDEX, a utility for indexing REF files




----------------
4  REF File List
----------------

    REF * INDEX
        List of REF files.

    REF * ARRAYS
        Arrays and array procedures. (See also HELP * ARRAYS.)

    REF * ASYNC
        Describes asynchronous traps and signals in Poplog.

    REF * CHARIO
        Character stream input and output. (See also HELP * IO.)

    REF * DATA
        General  data  procedures and datatypes. (See also
        HELP * PROGRAMMING.)

    REF * DEFSTRUCT
        Pop-11 syntax for defining and accessing structures.

    $usepop/pop/ref/doc_index
        This is not a ref file, as explained above.

    REF * DOCUMENTATION
        The Poplog online documentation system.

    REF * ENVIRONMENT_VARIABLES (Unix only)
        Environment variables defined by the Poplog system.

    REF * EXCEPTION
        Poplog  exception  (error  and  warning)  handling.  (See   also
        HELP * MISHAP, HELP * PROGRAMMING.)

    REF * EXTERNAL
        Loading & calling external procedures from Poplog. (See also
        HELP * EXTERNAL, * PROGRAMMING.)

    REF * EXTERNAL_DATA
        Using external data structures in Poplog.

    REF * FASTPROCS
        Fast procedures (See also HELP * FASTPROCS, LIB * SLOWPROCS.)

    REF * FLAVOURS
        The   flavours   object   oriented   language.   (See   also
        HELP * FLAVOURS.)

    REF * IDENT
        Identifiers (constants and variables).

    REF * INTVEC
        Signed integer vectors (See also REF * DATA,  REF * VECTORS,
        REF * STRINGS, and HELP * PROGRAMMING.)

    REF * ITEMISE
        Itemisation and lexical syntax. See also REF * POPCOMPILE.

    REF * KEYS
        Information    on    classes    and    keys.    (See    also
        HELP * PROGRAMMING, HELP * CLASSES, HELP * DATASTRUCTURES.)

    REF * LIBRARY
        Poplog library mechanisms, including autoloading.

    REF * LISTS
        Lists and pairs (see also HELP * LISTS).

    REF * LOGICAL_NAMES (VMS only)
        Logical names defined by the Poplog system.

    REF * MISHAP_CODES
        Some  error  messages  include  a  "code"  abbreviating  the
        message. This  file includes  full explanations  and  cross-
        references to  relevant information  about the  error.  (See
        also HELP * MISHAP.)

    REF * NEWC_DEC
        Procedures concerned with the "new" interface to  externally
        loaded C programs. See HELP * NEWC_DEC for more details.

    REF * NUMBERS
        Number  data  types  and  numerical  procedures. (See   also
        HELP * NUMBERS.)

    REF * OBSOLETE
        Obsolete   features    still   supported    for    backwards
        compatibility.

    REF * ODBC
        Describes the  Pop-11  version  of  Microsoft's  ODBC  (Open
        DataBase Connectivity) interface.

    REF * POPCOMPILE
        Pop-11 compiler procedures.

    $usepop/pop/ref/popindex.*
        These files (which  really should be  in another place)  are
        used by the * POPINDEX and * VED_SOURCEFILE mechanisms.

    REF * POPSYNTAX
        Pop-11 syntax in diagram form.

    REF * PRINT
        Printing procedures, etc. (See also HELP * IO, HELP * PRINT)

    REF * PROCEDURE
        The nature of  procedures and closures,  list of  predicates
        operating  on  procedures   (See  also   HELP * PROGRAMMING,
        HELP  * DEFINE)

    REF * PROCESS
        The Poplog "process" mechanism. (See also HELP * PROCESS.)

    REF * PROGLIST
        The input  stream used  in Poplog  by many  system  modules,
        including the  Pop-11  compiler.  (See  also  REF * ITEMISE,
        REF * CHARIO, HELP * PROGRAMMING.)

    REF * PROLOG
        Procedures that support the Prolog system in Poplog.

    REF * PROPS
        Properties     (association      tables).     (See      also
        HELP * PROPERTIES.)

    REF * RECORDS
        The  reference   and   boolean   data   types.   (See   also
        HELP * RECORDS.)

    REF * REFFILES
        This file.

    REF * REFFORM
        Describes the format of REF files, explains the  conventions
        used to  indicate  the types  of  arguments and  results  of
        procedures, and provides some Ved utilities to help creation
        of REF files in the proper format.

    REF * SECTIONS
        Sections (hierarchies of  permanent identifiers). (See  also
        HELP * SECTIONS.)

    REF * SOCKETS (Unix Only)
        Describes the Pop-11 interface to Unix sockets.

    REF * STACK
        The Pop-11 stack  and procedures for  operating on it.  (See
        also HELP * STACK, TEACH * STACK.)

    REF * STRINGS
        Strings. (See also HELP * STRINGS.)

    REF * SUBSYSTEM
        Describes mechanisms for  handling sub-systems like  Prolog,
        Pop-11, Lisp, ML and switching conveniently between them.

    REF * SYNTAX
        Information   on    Pop-11   syntax    words.   (See    also
        HELP * PROGRAMMING.)

    REF * SYSIO
        Device  Input  &  Output  procedures,  including  pipes  and
        mailboxes.

    REF * SYSTEM
        Various Poplog system control procedures, including starting
        up, interrupts, saving and restoring saved images, etc.

    REF * SYSUTIL
        Operating System utility procedures.

    REF * TIMES
        Date and Time and Timer procedures.

    REF * VECTORS
        Standard full vectors (see also HELP * VECTORS).

    REF * VED
        Overview of REF files about the Poplog editor, Ved.

    REF * VEDCOMMS
        Summary of Ved <ENTER> commands.

    REF * VEDPROCS
        Summary of Ved system procedures.

    REF * VEDTERMINALS
        Summary of Ved  terminal types  and terminal  initialisation
        procedures.

    REF * VEDVARS
        Summary of Ved's global control variables.

    REF * VMCODE
        The Poplog Virtual Machine. (See also TEACH * VM.)

    REF * WORDS
        Words and the Poplog dictionary mechanism.

    REF * WVED
        Variables and procedures associated with Windowed Ved,  i.e.
        XVed.




-----------
5  See Also
-----------

    HELP * HELPFILES
        An overview of Pop-11 HELP documentation.

    TEACH * TEACHFILES
        An overview of Pop-11 TEACH documentation.

    PLOGHELP * HELPFILES
        An overview of Prolog HELP documentation.

    PLOGTEACH * TEACHFILES
        An overview of Prolog TEACH documentation.



--- C.all/ref/reffiles
--- Copyright University of Sussex 1991. All rights reserved.