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From: "Michael B." <michaelb@example.com>
Newsgroups: comp.lang.ada
Subject: Re: What is the best license to use for open source software?
Date: Mon, 05 Jan 2015 20:54:27 +0100
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Date: 2015-01-05T20:54:27+01:00
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On 01/05/15 03:28, David Botton wrote:
> It is what it is. A demo of tech that uses the GPL to license virus its output to encourage purchase of a commercial product.

But GNAT GPL is be used commercially. If you do in-house maintenance of 
applications that are not sold/distributed, the GPL virus can't bite you.