Hello John,

 JT> GNU is free for the end user, but it can't be used to make a
 JT> commercial procuct, is that right? Whereas, public domain is
 JT> just that, do whatever you like however you like. 

  GNU doesn't let you use their code as part of your your products. PD
may be claimed as your very own, added to, changed, whatever, and
SOLD!!

Regards,
Bob
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