ubuntu-desktop wouldn't install after modified ubuntu-keyring

[Andy Rabagliati]

On Sat, 12 Aug 2006, Matt Zimmerman wrote:

> On Sat, Aug 12, 2006 at 02:20:48PM +0800, jacky wrote:
> > I modified ubuntu-keyring, and then create a new
> > ubuntu alternate CD. But when I used this custom
> > alternate CD to install ubuntu. Tasksel skip install
> > ubuntu-desktop? why?
> 
> You probably didn't generate the Packages file correctly (missing Task:).
> 

Is there any documentation of this field ?

It does not seem to be in the Debian documentation.

Cheers,   Andy!