The ebuild installs two desktop entries: /usr/share/applications/7zFM-p7zip.desktop /usr/share/applications/7zG-p7zip.desktop Both assign Name=p7zip, therefore they show up in menus (xfce4 here) as "p7zip" and cannot be distinguished.
+*p7zip-9.20.1-r2 (30 May 2012) + + 30 May 2012; Justin Lecher <jlec@gentoo.org> p7zip-9.20.1-r1.ebuild, + +p7zip-9.20.1-r2.ebuild, +files/p7zip-9.20.1-execstack.patch: + Give desktop files better names, #418179; drop in no execstack pacth from + fedora +