doc-src/pdfsetup.sty

Isar/Pure: removed obsolete 'transfer' attribute (transfer of thms to
the current context is now done automatically);

\@ifundefined{pdfoutput}{\usepackage{../url}}
{\usepackage[pdftex,a4paper,colorlinks=true]{hyperref}
  \gdef\bold#1{\textbf{\hyperpage{#1}}}}

\urlstyle{rm}