save your language File local, upload all files (except your config files) and do the update. then get Beyondcompare from scootersoft and compare your local saved language file to the new uploaded.
With this software you can easy find the missmatches and edit the files as you like. You can easy find missing keywords with it while comparing the new english language file to your old translated language files. Just watch the keywords while comparing and ignoring the textstrings.
