Re: Modification to the base XFree86 license

Nick Jacobs wrote:
[...]
>    Most other licenses allow a powerful
> quasi-monopoly (today Microsoft, but in 10 years it
> could be some other corporation) to "embrace and
> extend" without giving modifications back to the
> community. 

You might want to take a look at the OSL and the CPL. 

>            If the extensions become a de facto
> standard, that effectively steals our work. There was
> a possibility that this would happen with Kerberos.
> Had it been licensed under GPL, that would have been
> much more difficult.

Yeah. See "2.2.2. Case study No.1: Microsoft's use of 
Kerberos code" at <http://tinyurl.com/2zn2f>.

regards,
alexander.