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 09-Dec-78  1026	JONL at MIT-MC (Jon L White)  
Date: Sat, 9 Dec 78 18:27:00 GMT
Original-Date: 9 DEC 1978 1327-EST
From: JONL at MIT-MC (Jon L White)

Why doesn't the LISP system do the DELETEF necessary before
doing a RENAMEF on the DEC10 implementations?  I.e., if
a file FOO.BAR already exists, then it is necessary to delete it
before (RENAMEF '(FOO.NEW) '(FOO.BAR))  will win.

It is problematic whether semantically a RENAMEF should 
imply a DELETEF, or whether it should simply reflect UUO semantics,
whatever they are on your favorite DEC10-like machine.