%%

 %% hyperref setup -- special version for Isabelle documentation

 %%

 \usepackage{ifpdf}

 \usepackage{color}

 \definecolor{linkcolor}{rgb}{0,0,0}

 \usepackage[colorlinks=true,linkcolor=linkcolor,citecolor=linkcolor,filecolor=linkcolor,pagecolor=linkcolor,urlcolor=linkcolor,pdfpagelabels]{hyperref}

 \newcommand{\hfootref}[2]{\href{#1}{#2}\footnote{\url{#1}}}

 \gdef\fnote#1{\hyperpage{#1}n}

 \gdef\bold#1{\textbf{\hyperpage{#1}}}

 \urlstyle{rm}

 \ifpdf\relax\else\renewcommand{\url}[1]{\nolinkurl{#1}}\fi