On Fri, Dec 24 2010, Matt Lundin wrote:

> With your original patch, I am also frequently seeing "???" as a
> category in the agenda buffer. E.g.,
>
> ???:        In  -1 d.:  TODO Christmas gifts wrapped                    :home:
>
> This occurs with files/entries that do not have an in-buffer category
> statement (e.g, #+CATEGORY: or :CATEGORY:).

Seems like the refresh function set this by default if no category is
found. That looks stupid, I wonder why there's that line.

Here's a patch that should fix it.