THE FOLLOWING OCCURS AFTER 
anubis johnny # unmask= echo www-client/mozilla-firefox ~x86  >> /etc/portage/package.keywords && echo www-client/mozilla-firefox  >> /etc/portage/package.unmask
IS INPUTTED.

--------------------------------------------------------------------

anubis johnny # ACCEPT_KEYWORDS="~x86" emerge mozilla-firefox
Calculating dependencies ...done!
>>> emerge (1 of 1) www-client/mozilla-firefox-1.5 to /
>>> md5 files   ;-) mozilla-firefox-1.5.ebuild
>>> md5 files   ;-) mozilla-firefox-1.0.7-r2.ebuild
>>> md5 files   ;-) mozilla-firefox-1.0.7-r3.ebuild
>>> md5 files   ;-) files/firefox-0.9-init.tar.bz2
>>> md5 files   ;-) files/10MozillaFirefox
>>> md5 files   ;-) files/mozilla-firefox-1.0.3-prefs.patch
>>> md5 files   ;-) files/digest-mozilla-firefox-1.5
>>> md5 files   ;-) files/mozilla-firefox-1.0.4-gcc4.patch
>>> md5 files   ;-) files/mozilla-firefox-1.0.6-GLSA105396.patch
>>> md5 files   ;-) files/embedprompter-modal.patch
>>> md5 files   ;-) files/gtk-prompt-service.patch
>>> md5 files   ;-) files/gtk-tooltips.patch
>>> md5 files   ;-) files/mozilla-hppa.patch
>>> md5 files   ;-) files/mozilla-firefox-1.0.6-gcc4.patch
>>> md5 files   ;-) files/securebrowserui-iirq.patch
>>> md5 files   ;-) files/mozilla-1.3-alpha-stubs.patch
>>> md5 files   ;-) files/mozilla-rpath-1.patch
>>> md5 files   ;-) files/firefox.1
>>> md5 files   ;-) files/mozilla-firefox-1.0-kp_separator.patch
>>> md5 files   ;-) files/digest-mozilla-firefox-1.0.7-r2
>>> md5 files   ;-) files/svg-cairo-0.3.0-fix.patch
>>> md5 files   ;-) files/digest-mozilla-firefox-1.0.7-r3
>>> md5 files   ;-) files/firefox-1.1-uriloader.patch
>>> md5 files   ;-) files/firefox-gentoo-pkgconfig.patch
>>> md5 files   ;-) files/mozilla-1.7.12-rpath.patch
>>> md5 files   ;-) files/gentoo-default-prefs.js
>>> md5 files   ;-) files/mozilla-1.7.12-gtk2xft-invalidate-pango_context.patch
>>> md5 files   ;-) files/mozilla-1.7.12-gtk2-needs-pangox-and-pangoxft.patch
>>> md5 files   ;-) files/mozilla-1.7.12-gtk2xft-link-pangoxft.patch
>>> md5 files   ;-) files/mozilla-1.7.12-libart-freetype.patch
>>> md5 files   ;-) files/mozilla-1.7.12-pango-needs-pangox.patch
>>> md5 files   ;-) files/mozilla-1.7.6-gcc4.patch
>>> md5 files   ;-) files/mozilla-1.7.8-amd64.patch
>>> md5 files   ;-) files/icon/mozillafirefox.desktop
>>> md5 files   ;-) files/icon/firefox-icon.png
>>> md5 files   ;-) files/icon/deerpark-icon.png
>>> md5 files   ;-) files/1.5/mozilla-1.3-alpha-stubs.patch
>>> md5 files   ;-) files/1.5/firefox-1.1-visibility.patch
>>> md5 files   ;-) files/1.5/firefox-cairo-canvas.patch
>>> md5 files   ;-) files/1.5/firefox-nopangoxft.patch
>>> md5 files   ;-) files/1.5/firefox-visibility.patch
>>> md5 files   ;-) files/1.5/mozilla-firefox-1.1a2-ia64.patch
>>> md5 files   ;-) files/1.5/mozilla-hppa.patch
>>> md5 files   ;-) files/1.5/mozilla-firefox-1.5-gtk.patch
>>> md5 src_uri ;-) firefox-1.5-source.tar.bz2
>>> md5 src_uri ;-) mozilla-jslibmath-alpha.patch

!!! Digest verification Failed:
!!!    /usr/portage/distfiles/embed-typeaheadfind.patch
!!! Reason: Failed on MD5 verification

anubis johnny #