Using of parse tree externally

[sam th]

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On Thu, 12 Oct 2000, Richard Kenner wrote:

>     Isn't there any way the GCC license could be written so as to make any
>     such output a derived work, thereby requiring other programs that use
>     it to be GPLed too?  
> 
> No.  Whether something is a derived work or not is a question of copyright
> law, not something you can put into a license.

And the law says [1]

 A ''derivative work'' is a work based upon one or more 
preexisting works, such as a translation, musical arrangement, 
dramatization, fictionalization, motion picture version, sound 
recording, art reproduction, abridgment, condensation, or any 
other form in which a work may be recast, transformed, or 
adapted. A work consisting of editorial revisions, annotations, 
elaborations, or other modifications which, as a whole, represent 
an original work of authorship, is a ''derivative work''.

[1]
http://law2.house.gov/uscode-cgi/fastweb.exe?getdoc+uscview+t17t20+4+15++
           
	sam th		     
	sam@uchicago.edu
	http://www.abisource.com/~sam/
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