added theory to provide workaround to support nested datatypes in quickcheck (until quickcheck is generalized to support it with new datatypes)
%%
%% default hyperref setup (both for pdf and dvi output)
%%
\usepackage{color}
\definecolor{linkcolor}{rgb}{0,0,0.5}
\usepackage[colorlinks=true,linkcolor=linkcolor,citecolor=linkcolor,filecolor=linkcolor,pagecolor=linkcolor,urlcolor=linkcolor]{hyperref}