% \starttypescript [serif] [DollyPro]
%   \definefontsynonym [Regular]   [file:DollyPro-Regular.otf]
%   \definefontsynonym [Bold]      [file:DollyPro-Bold.otf]
%   \definefontsynonym [Italic]    [file:DollyPro-RegularItalic.otf]
%   \definefontsynonym [SmallCaps] [file:DollyPro-RegularSmallCaps.otf]
% \stoptypescript

% \starttypescript [serif] [DollyPro]
%   \setups[font:fallback:serif]
%   \definefontsynonym [Serif]       [Regular]   [features=default]
%   \definefontsynonym [SerifBold]   [Bold]      [features=default]
%   \definefontsynonym [SerifItalic] [Italic]    [features=default]
%   \definefontsynonym [SerifCaps]   [SmallCaps] [features=default]
% \stoptypescript

% \definefontfeature
%   [hz] [default]
%   [protrusion=quality, expansion=quality, mode=node, script=latn]

% \starttypescript[DollyPro]
%   \definetypeface [DollyPro] [rm] [serif] [DollyPro] [default] [features=hz]
% \stoptypescript

\usetypescriptfile[type-DollyPro]
\setupbodyfont[DollyPro]

\starttext
  \input tufte
\stoptext