From: DrDiettrich1@aol.com   
      
   moop wrote:   
      
   > PGs have a great convenince over hand written parsers, but they also   
   > slow in speed and hard to read the generated code. I wonder besides   
   > these two obvious factors, what else hand written parsers are better   
   > than PGs? Thank you!   
      
   I think that you mean recursive descent parsers, when you mention hand   
   written parsers. These parsers typically correspond to LL(k) grammars   
   (k ~1), with the according restrictions vs. LR(k) grammars and   
   generated bottom-up parser automatons.   
      
   DoDi   
      
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