now I'm trying to use Optima.
\starttypescript [sans] [optima]
\definefontsynonym [OptimaRegular] [name:Optima Regular] [features=default]
\definefontsynonym [OptimaBold] [name:Optima Bold] [features=default]
\definefontsynonym [OptimaBoldItalic] [name:Optima Bold Italic] [features=default]
\definefontsynonym [OptimaExtraBlack] [name:Optima ExtraBlack] [features=default]
\definefontsynonym [OptimaItalic] [name:Optima Italic] [features=default]
\stoptypescript
\starttypescript [sans] [optima]
\definefontsynonym [Sans] [OptimaRegular] [features=default]
\definefontsynonym [SansItalic] [OptimaItalic] [features=default]
\definefontsynonym [SansBold] [OptimaBold] [features=default]
\definefontsynonym [SansBoldItalic] [OptimaBoldItalic] [features=default]
\definefontsynonym [SansExtra] [OptimaExtraBlack] [features=default]
\stoptypescript
\starttypescript
\definetypeface[optima][rm][sans][optima][default]
\definetypeface[optima][ss][sans][optima][default]
\definetypeface[optima][tt][mono][modern] [default][rscale=1.12]
\definetypeface[optima][mm][math][iwona] [default][rscale=1.02]
\stoptypescript
Then, did the usual stuff.
But the pdf from
\usetypefile [optima]
\usetypescript[optima]
\setupbodyfont[optima]
\starttext
Oh yes, I'm a test, baby
{\bf there's a little} {\em black} {\sc spot}
in the sun today
\stoptext
uses LM.
The console says:
....
specials : fdf loaded
) (type-optima.tex)
...
the font file is Optima.dfont