%%
%% The LaTeX Companion, 3ed
%%
%% Example 2-3-1 on page I-55 in "Table of contents structures".
%%
%% Copyright (C) 2022 Frank Mittelbach
%%
%% It may be distributed and/or modified under the conditions
%% of the LaTeX Project Public License, either version 1.3c
%% of this license or (at your option) any later version.
%%
%% See https://www.latex-project.org/lppl.txt for details.
%%

\documentclass{tlc3exa}
\pagestyle{empty}
\setcounter{page}{6}
\setlength\textwidth{109.80112pt}


  \setlength\textheight{14.6\baselineskip}

  \setcounter{page}{1}

  \setlength\footskip{24pt}
  \pagestyle{origplain}

  \sloppy  % narrow columns

  % small headings for the example
  \makeatletter
  \renewcommand\section{\@startsection{section}{1}{\z@}%
    {-1.5ex \@plus-1ex \@minus-.2ex}%
    {.5ex}%
    {\normalfont\large\bfseries}}
  \renewcommand\subsection{\@startsection {subsection}{2}{\z@}%
    {-1.ex \@plus -.5ex \@minus -.2ex}%
    {.3ex}%
    {\normalfont\bfseries}}
  \makeatother

%StartShownPreambleCommands

%StopShownPreambleCommands

\begin{document}
\tableofcontents
\section*{Foreword}
\addcontentsline{toc}{section}
   {\protect\numberline{}Foreword}
A starred heading with the TOC entry
manually added. Compare this to the
form used for the  bibliography.

\section{Thoughts}
We find all in \cite{k1}.
\subsection{Contact info}
E-mail Ben at \cite{k2}.
\begin{thebibliography}{9}
\addcontentsline{toc}{section}
   {\refname}
\bibitem{k1} Ben User, Some day will
             never come, 2010
\bibitem{k2} BUser@earth.info
\end{thebibliography}
\end{document}