Hi,the \definefontsize and \definefontalternative redefine the \tf (and \it etc.) command and you can’t use it in math to get \mathtf.
\starttext \begingroup \meaning\tf \endgroup \begingroup \definefontsize[e] \meaning\tf \endgroup \begingroup \definefontalternative[md] \meaning\tf \endgroup \stoptext Wolfgang _______________________________________________ dev-context mailing list dev-context@ntg.nl https://mailman.ntg.nl/mailman/listinfo/dev-context