When I try to send a fax from efax-gtk (x11-misc/efax-gtk-3.0.8) the efax (net-misc/efax-0.9a) server responds: "efax: 06:19 Error: unknown option (-u)" Please also note this thread: http://forums.gentoo.org/viewtopic-t-442064-highlight-efax.html
Fixed in >=3.0.8-r1