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Reproduced in Chrome 8, Opera 11, and IE8.
This is how it appears in Safari 5.0.5 on Mac OS X 10.6.
Edit: Bug is still present. Chrome 14 on Windows 7 looks just like above.
Well, look at that... better late than never, eh? :)
This will be fixed in the next deployment. Keep an eye out for rev 2014.4.23.1564.