%%
%% The LaTeX Companion, 3ed
%%
%% Example 2-2-20 on page I-52 in "Formatting headings --- \LaTeX 's internal low-level methods".
%%
%% 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{207.0pt}
%StartShownPreambleCommands
\usepackage{layouts}
\renewcommand\Huge{\fontsize{7}{8}\selectfont            % for the book we cheat
  \renewcommand\Huge{\fontsize{7}{8}\sffamily\bfseries}} % not recommended

\def\line(#1)#2{}          % for the book drop the straight lines
                           % again not recommended

%StopShownPreambleCommands

\begin{document}
\setlayoutscale{0.9}
\setlabelfont{\fontsize{7}{8}\sffamily}
\setparametertextfont{\fontsize{6}{8}\selectfont}
\runinheadtrue
\headingdiagram{}
\end{document}