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Re: reading NaNs



   Date: Sat, 29 Oct 2005 22:58:12 -0700
   From: Alan Watson <a.watson@xxxxxxxxxxxxxxxx>

   Perhaps we need to defined a general invalid object which has (a) no 
   read syntax and (b) is returned by read whenever it has a problem with 
   the input (numbers too big, objects to big, bad syntax, etc.)

Why not *signal* a condition?