File psl-1983/tests/mini-io-errors.red from the latest check-in
% MINI-IO-ERRORS.RED Procedure IoError M; <<terpri(); ErrorHeader(); Prin2t M; RDS 0; WRS 1; NIL>>; End;
% MINI-IO-ERRORS.RED Procedure IoError M; <<terpri(); ErrorHeader(); Prin2t M; RDS 0; WRS 1; NIL>>; End;