From: nmh@t3x.org   
      
   Kaz Kylheku <864-117-4973@kylheku.com> wrote:   
   > I tried (lambda () (define x 42) (define x 43)) in a Scheme   
   > implementation and got an error about the duplicate variable.   
   >   
   > That's completely silly since it breaks the idea that the block scoped   
   > define can just be desugared to nested lets.   
      
   If I am not completely mistaken, local DEFINE expands to LETREC   
   and not to nested LET, so your example would result in two   
   instances of X in the same scope:   
      
   (lambda ()   
     (letrec ((x 42)   
              (x 43))))   
      
   --   
   Nils M Holm  < n m h @ t 3 x . o r g >  http://t3x.org   
   [See the more complete analysis just posted. -John]   
      
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