The screen lock program x11-misc/slimlock has been masked for removal.

slimlock has been merged into its inspirator, x11-misc/slim, as of
2013-10-01. Install >=x11-misc/slim-1.3.6 to get the most recent
improvements/enhancements of slimlock.

--
Mr. Aaron W. Swenson
Gentoo Linux Developer
PostgreSQL Herd Bull
Email : titanofold@gentoo.org
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