"T" and "(T)" as newio file specs

[JONL at MIT-MC (Jon L White)]

I agree that the documentation of maclisp, and out expectations for
(PRINC 'FOO '(T)), don't agree.  My tendency is to think that lisp
should be "fixed" so that "T" and "(T)" as file-specs act the same.
There is some attempt to make "T" differ from the value of TYO by
the paying-of-attention to ^W.   Whos has preferences on this?
I definitely prefer that FORMAT be made compatible with LISPM, so
that "(FORMAT NIL ...)"  coughs up a string (symbol in maclisp)
and  "(FORMAT T ...)"  acts like "(PRINC <mumble> NIL)"