Description of problem:
Using preupgrade on a fully updated version of F-12 to F-13 and then running
package-cleanup --orphans lists groff as being orphaned. The reason is
that the F12 version has a greater nvr than the F13 version - see below. Please
push updated packages for F13.


# yum downgrade groff
Loaded plugins: presto, refresh-packagekit
Setting up Downgrade Process
Resolving Dependencies
--> Running transaction check
---> Package groff.x86_64 0:1.18.1.4-20.fc13 set to be updated
---> Package groff.x86_64 0:1.18.1.4-21.fc12 set to be erased
--> Finished Dependency Resolution

Dependencies Resolved

================================================================================
 Package        Arch            Version                   Repository       Size
================================================================================
Downgrading:
 groff          x86_64          1.18.1.4-20.fc13          fedora          1.5 M

Transaction Summary
================================================================================
Remove        0 Package(s)
Reinstall     0 Package(s)
Downgrade     1 Package(s)

Total download size: 1.5 M
Is this ok [y/N]: y
Downloading Packages:
Setting up and reading Presto delta metadata
Processing delta metadata
Package(s) data still to download: 1.5 M
groff-1.18.1.4-20.fc13.x86_64.rpm                        | 1.5 MB     00:01     
Running rpm_check_debug
Running Transaction Test
Transaction Test Succeeded
Running Transaction
  Installing     : groff-1.18.1.4-20.fc13.x86_64                            1/2 
  Cleanup        : groff-1.18.1.4-21.fc12.x86_64                            2/2 

Removed:
  groff.x86_64 0:1.18.1.4-21.fc12                                               

Installed:
  groff.x86_64 0:1.18.1.4-20.fc13                                               

Complete!