\definefontfamily [texgyre] [rm] [TeX Gyre Termes]
\definefontfamily [texgyre] [tt] [TeX Gyre Cursor]
\setupbodyfont [texgyre]

\starttext

\type{--offline} should look like {\tt -\/-of\/f\/line}.

So should

\starttyping
--offline
\stoptyping

\stoptext
