Hi Philip, Thank you very much for your suggestion. I did try what you said, but it doesn't fix the problem on my system. I now get three rotated question marks under the "xyz" and still no underbrace.
My test file and output can be downloaded from here: http://banyan.cm.nctu.edu.tw/~dgreenhoe/groups/test_underbrace.tex http://banyan.cm.nctu.edu.tw/~dgreenhoe/groups/test_underbrace.pdf Dan On Mon, Sep 12, 2011 at 6:15 AM, Philip TAYLOR (Webmaster, Ret'd) <p.tay...@rhul.ac.uk> wrote: > Sorry, the message became double-spaced (copy-and-paste > from TeXworks) -- I will try a second time. > > > > > \documentclass{article} \RequirePackage{amsmath} > \RequirePackage{unicode-math} \setmathfont{xits-math.otf} > > \def\midshift#1{ > \setbox0=\hbox{#1}\dimen0=\ht0\advance\dimen0by+\dp0\advance\dimen0by-1ex > \lower.5\dimen0\box0 } > > \def\rotatebrace#1{% > \leavevmode\setbox0=\hbox{#1}\rlap{% > \kern.5\wd0\dimen0=\ht0\advance\dimen0by-\dp0%\advance\dimen0by+1ex% > \raise.5\dimen0\hbox{\special{x:gsave}\special{x:rotate 90}}}% > \box0\special{x:grestore}} > > \XeTeXmathchardef\bracelu = 0 3 `\⎧ > \XeTeXmathchardef\bracemu = 0 3 `\⎨ > \XeTeXmathchardef\braceru = 0 3 `\⎩ > \XeTeXmathchardef\bracebar = 0 3 `\⎪ > \XeTeXmathchardef\braceld = 0 3 `\⎫ > \XeTeXmathchardef\bracemd = 0 3 `\⎬ > \XeTeXmathchardef\bracerd = 0 3 `\⎭ > > \def\upbracefill{% > \setbox0=\hbox{\lower.64ex\hbox{\rotatebrace{\midshift{$\bracemu$}}}}\ht0=.1\wd0\dp0=0pt% > \setbox1=\hbox{\lower.64ex\hbox{\rotatebrace{\midshift{$\bracelu$}}\kern-.2em}}\ht1=.1\wd0\dp1=0pt% > \setbox2=\hbox{\lower.64ex\hbox{\rotatebrace{\midshift{$\bracebar$}}}}\ht2=.1\wd0\dp2=0pt% > \setbox3=\hbox{\lower.64ex\hbox{\kern-.2em\rotatebrace{\midshift{$\braceru$}}}}\ht3=.1\wd0\dp3=0pt% > \box1\cleaders\copy2\hfill\box0\cleaders\box2\hfill\box3} > > \def\downbracefill{% > \setbox0=\hbox{\lower.64ex\hbox{\rotatebrace{\midshift{$\bracemd$}}}}\ht0=.1\wd0\dp0=0pt% > \setbox1=\hbox{\lower.64ex\hbox{\rotatebrace{\midshift{$\braceld$}}\kern-.2em}}\ht1=.1\wd0\dp1=0pt% > \setbox2=\hbox{\lower.64ex\hbox{\rotatebrace{\midshift{$\bracebar$}}}}\ht2=.1\wd0\dp2=0pt% > \setbox3=\hbox{\lower.64ex\hbox{\kern-.2em\rotatebrace{\midshift{$\bracerd$}}}}\ht3=.1\wd0\dp3=0pt% > \box1\cleaders\copy2\hfill\box0\cleaders\box2\hfill\box3} > % > > \setmathfont {XITS Math} > > \begin {document} > > $$ \underbrace{xyz} $$ > > \end{document} > > > Philip Taylor > > > -------------------------------------------------- > Subscriptions, Archive, and List information, etc.: > http://tug.org/mailman/listinfo/xetex > > -------------------------------------------------- Subscriptions, Archive, and List information, etc.: http://tug.org/mailman/listinfo/xetex
