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As I have only tried Redhat and Mandrake , I recommend Redhat 7.1 ; you ca n't go wrong with it . " We are desperate ; you ca n't work under such conditions with a miserable salary of twenty four thousand francs . The work is more consistently stimulating-and demanding ; you ca n't mentally relax in the way you are tempted to when dealing with nineteen-year-olds . This particular example you 'd actually do by wrapping the function in another function ; you ca n't actually modify the internals of an existing function , because the standard does n't require the function to be stored or implemented as a list ; in fact , the standard does n't require a Lisp implementation to have an interpreter . It 's a made up world , you can make up stuff ; you ca n't do that in history .