# Calculate append=skip merge(www-client/firefox-bin)!=&&ini(update.firefox)!=off&&ini(ver.firefox)==&&pkg(www-client/firefox-bin)>=10.0&&exists(~/.mozilla)==||merge(www-client/firefox)!=&&ini(update.firefox)!=off&&ini(ver.firefox)==&&pkg(www-client/firefox)>=10.0&&exists(~/.mozilla)==
