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

atenea ~ # eix xfce-base/xfce4-panel
* xfce-base/xfce4-panel
     Available versions:  4.2.3 4.4.0 ~4.4.0-r2
     Homepage:            http://www.xfce.org/
     Description:         Panel

atenea ~ # emerge -C =xfce-base/xfce4-panel-4.3

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

>>> No packages selected for removal by unmerge