title: How to get firefox language setting? (REALLY)
body: <p>I know this question has been <a href="https://stackoverflow.com/questions/1025281/how-to-get-firefox-language-setting">answered before</a>, but the answer given is not the complete story:</p>
  
  <p>I went into Firefox's Options->Content and removed all languages except German/Germany, and navigator.language hasn't changed - it's still en-GB (I'm in the UK).</p>
  
  <p>I'm told if I get the German Firefox INSTALL it will work, but I shouldn't need to do that, right?</p>
  
  <p>The useragent string still contains en-GB, too; but the accept-language on HTTP headers IS set correctly. So this seems to be a bug in Firefox, I spent a bit of time wading through their bugzilla, but I can't see this exact bug logged, though to me it seems a pretty huge oversight?</p>