Created attachment 320234 [details, diff] common-mistakes.diff as per talk on dev-ml we should introduce this as gentoo policy and document it in the devmanual
Created attachment 320382 [details, diff] common-mistakes.diff reflect change in portage http://git.overlays.gentoo.org/gitweb/?p=proj/portage.git;a=commit;h=1cc39de72ac5311db748341ef9183586556719d9
Patch applied. Thanks