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When compiling (on debian) the example in I get a strange behavior of the central node (see attached image). have you any suggestion ?

(I'm sorry it was a problem of my pdf viewer) Regards,


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closed as too localized by lockstep, percusse, Tom Bombadil, Stephan Lehmke, yo' Oct 11 '12 at 11:38

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Welcome to! You don't have to sign with your name since it automatically appears in the lower right corner of your post. – lockstep Oct 11 '12 at 10:28
Perhaps you are running an old version. Debian comes with 2009 release I think, so if that is the case upgrade to the 2012 release (I'd recommend TeXLive 2012) and see if the problem persists. It would also help if you provided details as to what exactly is the strange behavior. – Peter Grill Oct 11 '12 at 10:29

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