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[ART@THINK-AQUINAS.ARPA: Another reader macro]
Date: Tue, 18 Mar 1986 10:42 EST
From: "Scott E. Fahlman" <Fahlman@C.CS.CMU.EDU>
I'd like to see the combination #! be reserved for something more
important and interesting than comment out a single expression. The #|
... |# does this job perfectly well, except that you need to find the
end of the thing you are commenting out: only one or two extra
keystrokes in a decent editor. I suppose that if doing this as a pure
prefix were deemed useful, we could adopt the convention that the
feature T is always present in all Common Lisps, so that #-T would do
the right thing.
We typically use #+IGNORE for this, although personally I'm a big fan
of semicolon for comments.