PROLOG UTILITIES
          Written by John Cugini, National Bureau of Standards
 This version sent by John Cugini, and shelved on the 30th of July, 1988

         Original version (sent by Bert Shure, The SHURE Group)
                  shelved on the 12th of December 1987


This entry comes as three files:
    CUGINI.PRE - This file
    CUGINI.OLD - The original source
    CUGINI.PL  - The source after I made it more portable


To use  it, consult  CUGINI.PL (or  .OLD), and  call the  predicates you
need. See the comments for each predicate in CUGINI.PL.


CHECKED ON EDINBURGH-COMPATIBLE (POPLOG) PROLOG : yes.


PORTABILITY :

    Easy. I've  documented possible problems at  the head of  the source
    file.


DOCUMENTATION :

    A  comment  for  each  main predicate,  specifying  its  declarative
    reading, and which arguments must be instantiated.