On Thursday 31 December 2015 11.10:00 Sl�vek Banko wrote:
> Official packages are built on 'QuickBuild', which is an implementation of
> the Ubuntu Launchpad. Therefore, all distributions are called 'Ubuntu',
> although it is a Debian or Raspbian.
>
> --
> Sl�vek

Thanks Sl�vek for enlightening me on this (I had never bothered to look what 
QuickBuild is...).

Thierry