configuration option "syntax_ast_trace" and "syntax_ast_stat";
%%%% 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}