Hello Mariusz, I have accidentally deleted your message regarding the underbraces, but it seems they work with the old version of unicode-math I have still installed in my system. See the attached files.
Kind regards, A.S. ---------------------- Apostolos Syropoulos Xanthi, Greece http://obelix.ee.duth.gr/~apostolo http://asyropoulos.wordpress.com http://hypercomputation.blogspot.com/
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test.pdf
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