Hi Fabrice, Wolfgang gave the right answer, but I wanted to point out that it is better not to use \setupbodyfont in the middle of your document, as you did in the excerpt below: in this case it is better to use
\switchtobodyfont[xits] or even better define the character you want before using it as in \define\CScript{\start\switchtobodyfont[xits] \m{\mathscript{C}} \stop} and then use that command as in: La droite \m{(AM)} est {\bf une sécante} à la courbe \CScript en \m{A}. Another solution is to define your own mixture of math fonts and text fonts. Best regards: OK > On 15 Oct 2019, at 18:39, Fabrice Couvreur <fabrice1.couvr...@gmail.com> > wrote: > > La droite \m{(AM)} est {\bf une sécante} à la courbe > {\setupbodyfont[xits]\m{{\mathscript C}}} en \m{A}.
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