These are the packages that would be merged, in order:

Calculating dependencies... done!
[blocks B     ] >=xfce-base/xfce4-panel-4.3 (is blocking xfce-extra/xfce4-battery-0.3.0-r1, xfce-extra/xfce4-cpugraph-0.2.2-r2, xfce-extra/xfce4-clipman-0.4.1-r2)

-------------------------------------------

GREGCOMP greg # emerge --unmerge ">=xfce-base/xfce4-panel-4.3"

--- Couldn't find '>=xfce-base/xfce4-panel-4.3' to unmerge.

>>> No packages selected for removal by unmerge