[USER] You didn't read the link I provided, did you? Filipe provided you the solution, which is mentioned in the provided documentation as well.
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Just because you don't know how it's done correctly doesn't mean it's a bug. :-) You're just dealing with behaviour your don't understand, but don't try to line out what exactly is the bug, instead want to know how to achieve the desired result.
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Terrible library. I always feel pain having to use it.