














ctober 1984
%  
pose: Prolo
put/out
to 















































































































































































































































































































































































































,
	'valid chars'(Chars).


display_chars(Chars, Term) :-
	'output chars'(portable_display(Term), Chars).

print_chars(Chars
rm) :-
	'output chars'(portable_print(Term), Chars).

write_chars(Chars, Term) :-
	'output chars'(portable_write(Term),
rs).

writeq_chars(Chars, Term) :-
	'output chars'(portable_writeq(Term), Chars).


'o




















































































