Trac switches back to default local after logging out

Now Trac gets localized, what might be useful or not (well the content is still English).

I logged in to change the language setting to English and the interface changed. Right after logging out the interface changed to my default language again.

To me, personally, a localized Trac does not make sense. I don't even know where to click to get me where I want.

Can we (read I) have some way to have it like it was before?

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