[XeTeX] Prime + Unicode-math
António Fernandes
amfernandes at netcabo.pt
Sun Oct 3 19:44:24 CEST 2010
Dear José Carlos,
The error goes away if you set a math font using the \setmathfont command
as in
\setmathfont{Asana Math}
António Fernandes
On Oct 3, 2010, at 6:26 PM, José Carlos Santos wrote:
> Hi all,
>
> If I compile this file:
>
> \documentclass{article}
> \usepackage{fontspec}
> \usepackage{xltxtra}
> \usepackage{unicode-math}
> \begin{document}
> $P'$
> \end{document}
>
> I get this error message:
>
> ! Undefined control sequence.
> <argument> \um_prime_single_mchar
>
> l.6 $P'$
>
> Why is that? The unicode-math documentation says:
>
> In regular LATEX, primes can be entered with the straight quote character ', and multiple straight quotes chain together to produce multiple primes. [...] For Unicode maths, we wish to conserve this behaviour.
>
> Therefore, I don't see why this happens.
>
> If, instead of the straight quote character ' I use a prime ′, then I get no error message, but I get:
>
> Missing character: There is no ′ in font cmr10!
>
> What should I do in order to get the prime?
>
> Best regards,
>
> José Carlos Santos
>
>
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