Something

localhost evert # emerge -av =kde-base/kicker-3.5.6-r91
--- Invalid atom in /etc/portage/package.keywords: Experimental
--- Invalid atom in /etc/portage/package.keywords: Window

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

Calculating dependencies... done!
[ebuild  N    ] sys-libs/liblazy-0.1  239 kB [3]
[ebuild     U ] kde-base/kicker-3.5.6-r91 [3.5.6] USE="arts -beagle% -debug -kdeenablefinal -xcomposite -xinerama (-kdehiddenvisibility%) (-kickoff%)" 0 kB [3]

Total: 2 packages (1 upgrade, 1 new), Size of downloads: 239 kB
Portage overlays:
 [1] /usr/local/portage
 [2] /usr/portage/local/layman/xeffects
 [3] /usr/portage/local/layman/sabayon
 [4] /usr/local/portage
 [5] /usr/portage/local/layman/xeffects
 [6] /usr/portage/local/layman/sabayon
 [7] /usr/local/portage
 [8] /usr/portage/local/layman/xeffects
 [9] /usr/portage/local/layman/sabayon
 [10] /usr/local/portage
 [11] /usr/portage/local/layman/xeffects
 [12] /usr/portage/local/layman/sabayon

Would you like to merge these packages? [Yes/No]