# Mozilla Firefox
V=$(curl -L 'http://releases.mozilla.org/pub/firefox/releases/' -s |
sed -n -e 's/.*<a[^>]*>\([[:digit:]][[:digit:].]*\)\/<\/a>.*/\1/1p' |
sort -n -t '.' | tail -n 1)
wget 'https://ftp.mozilla.org/pub/firefox/releases/'$V'/linux-'$(arch)'/ja/firefox-'$V'.tar.bz2'

# GNU Icecat
V=$(curl -L 'http://ftpmirror.gnu.org/gnu/gnuzilla/' -s |
sed -n -e 's/.*<a[^>]*>\([[:digit:]][[:digit:].]*\)\/<\/a>.*/\1/1p' |
sort -n -t '.' | tail -n 1)
wget 'http://ftpmirror.gnu.org/gnu/gnuzilla/'$V'/icecat-'$V'.en-US.gnulinux-'$(arch)'.tar.bz2'
wget 'http://ftpmirror.gnu.org/gnu/gnuzilla/'$V'/icecat-'$V'.en-US.gnulinux-'$(arch)'.tar.bz2.sig'
wget 'http://ftpmirror.gnu.org/gnu/gnuzilla/'$V'/langpacks/icecat-'$V'.ja.langpack.xpi'
wget 'http://ftpmirror.gnu.org/gnu/gnuzilla/'$V'/langpacks/icecat-'$V'.ja.langpack.xpi.sig'
gpg --list-packets ./icecat-$V.en-US.gnulinux-$(arch).tar.bz2.sig
gpg --keyserver 'keys.gnupg.net' --receive-keys {{KEY_ID}}
gpg --verify ./icecat-$V.en-US.gnulinux-$(arch).tar.bz2.sig ./icecat-$V.en-US.gnulinux-$(arch).tar.bz2
gpg --list-packets ./icecat-$V.ja.langpack.xpi.sig
gpg --keyserver 'keys.gnupg.net' --receive-keys {{KEY_ID}}
gpg --verify ./icecat-$V.ja.langpack.xpi.sig ./icecat-$V.ja.langpack.xpi
# <about:config> “intl.locale.requested”←“ja”