If I run $> autounmask --pretend media-libs/mesa-7.7.1_rc1 I get : ... [blocks B ] <x11-libs/libXext-1.0.99 ("<x11-libs/libXext-1.0.99" is blocking x11-proto/xextproto-7.1.1) [blocks B ] <x11-base/xorg-server-1.7 ("<x11-base/xorg-server-1.7" is blocking media-libs/mesa-7.7.1_rc1) however using the keywords from Mike Hunt (http://forums.gentoo.org/viewtopic.php?p=6208385#6208385) there's away to unstable mesa. Reproducible: Always Expected Results: I'd expect that autounmaks is able to do this too w/o manually intervention.
Similar happens with kde -4.4.2, a $> autounmask kde-base/kdebase-meta-4.4.2 gives something like: ... ('installed', '/', 'kde-base/libknotificationitem-4.3.5', 'nomerge') pulled in by >=kde-base/libknotificationitem-4.3.5[-kdeprefix,-aqua] required by ('installed', '/', 'kde-base/kdeplasma-addons-4.3.5', 'nomerge') ...
package no longer in tree