On Sat, Dec 25, 2010 at 10:06:02PM +0530, R (Chandra) Chandrasekhar wrote: > On Saturday 25 December 2010 03:27 PM, Philip Taylor (Webmaster, > Ret'd) wrote: > >OK, then I suspect that Khaled and Ross have already > >identified the root cause of the problem (see below); > >what happens if you (a) comment out the reference to > >Asana Math, > > The result when \usepackage{Asana Math} is commented out is shown in > non-asana-crop.pdf which is attached. The vinculum is present, but π > is missing. > > When I replaced > > \usepackage{Asana Math} > > with another otf maths font via > > \usepackage{XITS Math} > > the result was the same as with Asana Math. So, it is not otf > maths-font-specific.
Both fonts are OpenType math fonts, so unless it is a font bug it is unlikely that there will be any difference. > >and (b) (a separate test) replace it > >by a reference to a maths font that you have in > >a format other than OpenType ? > > In this case, I need to load the euler maths font before fontspec to > avoid a warning. With this file: > > \documentclass[a4paper,12pt]{article} > \usepackage{euler} > \usepackage{fontspec} > \usepackage{unicode-math} Currently, loading unicode-math without setting a math font (with \setmathfont) is guaranteed *not* to work and you are unlikely to get much useful output if not frank errors. > \begin{document} > \thispagestyle{empty} > $\frac{2\pi r}{r} = 2\pi$ > \end{document} > > I get the output shown in euler-frac-crop.pdf which is also > attached. Again, the vinculum is present, but π is missing. > > If I comment out \usepackage{unicode-math} above, I get the correct > output as shown in euler-correct-crop.pdf. > > My guess is that, as suggested by James Cloos, the problem resides > in the unicode-math package for 64-bit machines when compiled with > xelatex. It is related to xetex (xelatex) the engine and not much with unicode-math package itself (AFAIK). Regards, Khaled -- Khaled Hosny Arabic localiser and member of Arabeyes.org team Free font developer -------------------------------------------------- Subscriptions, Archive, and List information, etc.: http://tug.org/mailman/listinfo/xetex