Hi,
when trying to set fractions or non-square roots in Metapost figures using the Metafun macro textext (textext("\frac{a}{b}") or textext("\root a \of b")), I get the error message
!Undefined control sequence
$\setbox \rootbox \hbox {$\mathsurround \z
@ \scriptscriptstyle {a }$}\m...in case of the root and
!Missing $ inserted.
<inserted text>
$
<to be read again>
\mathchoice
l.11 $\relax ${{\mathchoice
{\displaystyle a}{\textstyle a}{\scriptstyle a}{...
in case of the fraction.I probably made some stupid error, but I can't seem to find it.
Best regards, Sebastian
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