Re: [NTG-context] Bold italic font in Math (\definefallbackfamily)

On 10 Sep 2016, at 10:09, Wolfgang Schuster wrote:

Most math fonts come only with a regular style which provides upright, italic, bold and bolditalic symbols but all of them part of the same font, only a few fonts provide also a bold style (which is usefull in sections) which comes also with upright – and sometimes bold – symbols.

\setupbodyfont[xits] …

The STIX fonts, and XITS then, support Unicode math semantic styles. So perhaps the TeX commands should expand to these: \setupbodyfont[xits,10pt] \setupmathematics[lcgreek=normal, default=normal] \starttext \startformula x 𝐱 𝑥 𝒙 𝗑 𝘅 𝘹 𝙭 𝓍 𝔁 𝔵 𝖝 𝚡 𝕩 ξ 𝛏 𝜉 𝝃 𝝽 𝞷 \stopformula \stoptext