BISON is not PD! (was Re: Too many states for YACC)

[Randal L. Schwartz @ Stonehenge]

In article <19628 at adm.BRL.MIL>, rbj at dsys (Root Boy Jim) writes:
|		     Perhaps you should get GNU's BISON, a P.D. YACC.

#pragma begin_soapbox_mode

GNU BISON is not "public domain" (unless you meant something else by
PD).  GNU BISON is *free*, but protected by the GNU COPYRIGHT, which
requires that it *remain free*.  This is not true with your typical PD
stuff (you can legally incorporate PD stuff into your for-hire work
and call it your own, for example).

The text of the GNU COPYRIGHT (which they call "COPYLEFT") can be
obtained from gnu at prep.ai.mit.edu (I hope I got that right...)

I'm picky about this, because I really appreciate what the Free
Software Foundation is up to, and I don't want misinformation spread
around.

#pragma end_soapbox_mode
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