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	Date: 13 JUN 1978 0447-EDT
	From: HIC at MIT-MC (Howard I. Cannon)
	To: (BUG LISP) at MIT-MC, MOON at MIT-AI
	
	
From: 	    MOON@MIT-AI
Date: Mon, 13 Jun 78 05:20:51 GMT
Original-Date: 06/13/78 01:20:51 EDT
Subject:
	    To: (BUG LISP) at MIT-AI
	    +TYO GIVEN AN UNBOUND VARIABLE AS THE FILE TO OUTPUT
	    TO, RANDOMLY BASHES LISP, STARTING ROUGHLY IN THE AREA OF UNBND2.  IT SEEMS WORTH
	    THE COST OF A CHECK
	--------
	The only bug that I could find with regards to +TYO was that when you gave
	it a T, the check succeded, but it used ttsar+truth rather than the
	file-array in TYO.  This has been fixed.  Otherwise, when *RSET is on the
	second argument is checked -- it must be an ascii, output file array.

My apologies; it wasn't anything to do with +TYO.  The bug was in the form
(PRINC '|FOO| OUTPUT-FILE) which compiles into a STRT UUO.  If OUTPUT-FILE
is unbound, this bashes low core.