Need graph coloring code

[Joe Buck]

Someone asked:
> >> Has any company ever done that, licensed a patent to FSF, royalty-free?

I wrote:
> >Raph Levien licensed a number of patents (mostly having to do with
> >printing) for free use in GPLed programs, so these are royalty-free to the
> >FSF and everyone else.

Marc Espie writes:
> Somewhat slanted: GPLed programs is still a portion of free software.  
> `Everyone else' for a free-for-GPLed patent is not exactly true...

To make my language more precise: "to the FSF and everyone else who
is willing to use the GPL".

Arguments about whether this is appropriate are not belong on some
other list, I was just giving a factual response to a factual question.