Why are some OSS packages listed as non-free?

[Steven Susbauer]

On Oct 29, 2009, at 4:41 AM, Bart Genuit wrote:

> When I lookup Xara Extreme using dpkg-query, it is listed under
> non-free/graphics, while their website states it is OSS?
>
> Regards, Bart

Check out the copyright file ( http://changelogs.ubuntu.com/changelogs/pool/multiverse/x/xaralx/xaralx_0.7r1785-2ubuntu1/xaralx.copyright 
  ) - XarLX is GPLv2, however the CDRAW library is not OSS but is in  
the package.