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Predicate prolog_clause_name/2
 user:prolog_clause_name(+ClauseRef, -Name)[multifile, pce(prolog/boot/pce_portray)]
Translate the reference to a method-clause into the corresponding method.
 user:prolog_clause_name(+ClauseRef, -Name)[multifile, pce(prolog/boot/pce_portray)]
Translate the reference to a method-clause into the corresponding method.