PLOGHELP ABORT                                Chris Mellish, August 1982
                                Revised by Kathryn Seifert  October 1986

Predicate which aborts all current executions

    ?- abort.

Keywords: execution, Prolog top-level

Aborts all current executions and returns control to the top level
Prolog.  The current input and output files are switched back to be the
user's terminal.

-- RELATED DOCUMENTATION ----------------------------------------------

PLOGHELP * BREAK
 Predicate which calls new invocation of Prolog top-level

PLOGHELP * HALT
 Predicate which causes an exit from POPLOG