yacc: public domain?

[Don Steiny]

> Re reverse engineering: a fairly detailed description of the Yacc state
> machine is given in at least one of the standard Yacc references -- see
> "man yacc" -- so the *algorithm* can hardly be called a trade secret.

	That's for sure!  The book "Principles of Compiler Design"
details lex and yacc throughly.  

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Don Steiny - Personetics @ (408) 425-0382
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