src/HOL/HOLCF/IMP/document/root.tex

uses IMP and hence requires its tex setup

\documentclass[11pt,a4paper]{article}
\usepackage[utf8]{inputenc}
\usepackage{isabelle,isabellesym}
\usepackage{textcomp}
\usepackage{pdfsetup}
\usepackage{isaverbatimwrite}

\urlstyle{rm}

% pretty printing for the Com language
%\newcommand{\CMD}[1]{\isatext{\bf\sffamily#1}}
\newcommand{\CMD}[1]{\isatext{\rm\sffamily#1}}
\newcommand{\isasymSKIP}{\CMD{skip}}
\newcommand{\isasymIF}{\CMD{if}}
\newcommand{\isasymTHEN}{\CMD{then}}
\newcommand{\isasymELSE}{\CMD{else}}
\newcommand{\isasymWHILE}{\CMD{while}}
\newcommand{\isasymDO}{\CMD{do}}

\addtolength{\hoffset}{-1cm}
\addtolength{\textwidth}{2cm}

\begin{document}

\title{IMP in HOLCF}
\author{Tobias Nipkow and Robert Sandner}
\maketitle

\tableofcontents

\parindent 0pt\parskip 0.5ex
\input{session}

\bibliographystyle{abbrv}
\bibliography{root}

\end{document}