From: Marc Wachowitz
Subject: Re: mapcar on function arguments
Date: 
Message-ID: <5kb0fh$455$1@trumpet.uni-mannheim.de>
I wrote:
> (let ((a (list x y z)))
>   (setf (car a) 'xxx)
>   a)
> ; => (xxx y z)

Of course, this should have been:

(let ((a (list 'x 'y 'z)))
  (setf (car a) 'xxx)
  a)
; => (xxx y z)

Yet another argument against cut-&-paste programming when being tired ;-)

-- Marc Wachowitz <ยทยท@ipx2.rz.uni-mannheim.de>