ntroduced by others will not reflect  on the original authors' reputations.</p>
<p>Finally,  any free program is threatened constantly by software patents. We  wish to avoid the danger that redistributors of a free program will  individually obtain patent licenses, in effect making the program  proprietary. To prevent this, we have made it clear that any patent  must be licensed for everyone's free use or not licensed at all.</p>
<p>The  precise terms and conditions for copying, distribution and  modificati