On Mon, Dec 27 2010, Julien Danjou wrote:

> On Fri, Dec 24 2010, Carsten Dominik wrote:
>
>> I have reverted the patch for now.  It would be great if the two of
>> you could continue to try to fix it before we make another attempt.
>
> Here's an updated patch with all the fixes above.

I've re-added a refresh in the prepare, otherwise the categories are not
being updated in the agenda views.