I am not part of the SL development team; I'm purely and simply a moderator of these forums. I suspect the small development team don't have the time to read all the threads in these forums. The vast majority of the responders are users.
It's not feasible to have pre-built packages for all the many languages. That's why some application developers provide language pack plug-ins for users to install themselves.
I had no idea how to solve your problem but I found the solution using Google, the links in the MozillaZine article I gave you the link for in an earlier post, and deduction. So I did the donkey work for you this time, but really it is something that you should be able to do yourself. It does not require any technical expertise or know-how, just the ability to search the Web and use some common sense.Why, and how to add "[Solved]" to your post. Please read.
I'll do it for you this time, but please do it yourself next time.