src/HOL/HOLCF/document/root.tex

tuned whitespace and indentation;

% HOLCF/document/root.tex

\documentclass[11pt,a4paper]{article}
\usepackage{graphicx,isabelle,isabellesym,latexsym}
\usepackage[only,bigsqcap]{stmaryrd}
\usepackage{textcomp}
\usepackage{pdfsetup}

\urlstyle{rm}
\isabellestyle{it}
\pagestyle{myheadings}
\newcommand{\isasymas}{\textsf{as}}
\newcommand{\isasymlazy}{\isamath{\sim}}
\newcommand{\isasymnotsqsubseteq}{\isamath{\not\sqsubseteq}}

\begin{document}

\title{Isabelle/HOLCF --- Higher-Order Logic of Computable Functions}
\maketitle

\tableofcontents

\begin{center}
  \includegraphics[scale=0.45]{session_graph}
\end{center}

\newpage

\renewcommand{\isamarkupheader}[1]%
{\section{\isabellecontext: #1}\markright{THEORY~``\isabellecontext''}}

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

\end{document}