[XeTeX] bug using \underbrace with unicode-math package

Daniel Greenhoe dgreenhoe at gmail.com
Fri Sep 9 20:37:21 CEST 2011

Using \underbrace with the unicode-math package under XeLaTeX produces
garbage output. Here is a minimal example:

 %\usepackage{mathspec}              % no problem
 \usepackage{unicode-math}           % problem
 %\setmathfont{lmmath-regular.otf} % |{z}
 %\setmathfont{Asana-Math.otf}      % ||{z|}
 \setmathfont{xits-math.otf}              % |{z}
  \[ \underbrace{xyz} \]

Using the mathspec package instead of unicode-math seems to be OK.

The \underbrace with unicode-math problem was discussed almost one year ago:

Anyone have a solution?

Many thanks in advance,

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