update manager not notifying about lts release

[Tom H]

On Mon, Jun 4, 2012 at 3:57 PM, scar <scar at drigon.com> wrote:
>
> i'm on 10.04 and have my upgrade settings for 'lts releases only' yet i
> still haven't been told by update manager that 12.04 is available.....
> it works when i run `update-manager -d` but that defeats the whole
> purpose of my setting to notify when an lts release is available.  i
> also can't be telling all my customers to run `update-manager -d` .......

I don't use update-manager but, looking at the man page, how about
"-c" and "-p"?