[luatex] Use Math Glyphs from Text Font

[C. Comren]

> Then you can use unicode-math package, check its documentation
> especially the "using multiple fonts section".

I tried

\setmathfont[range=\mathbfsfit/{greek,Greek}]{NameOfTheFont}

LuaLaTeX complains that the font does not contain script "Math" and
produces a PDF without any math in it.