Silly me, just take a look at this:
http://bazaar.launchpad.net/%7Eubuntu-branches/ubuntu/lucid/grub2/lucid/annotate/head%3A/gettext/gettext.c#L280
So, we should place the mo files as /boot/grub/locale/xx.mo
Silly me, just take a look at this:
http:// bazaar. launchpad. net/%7Eubuntu- branches/ ubuntu/ lucid/grub2/ lucid/annotate/ head%3A/ gettext/ gettext. c#L280
So, we should place the mo files as /boot/grub/ locale/ xx.mo