%%
%% The LaTeX Companion, 3ed
%%
%% Example 9-3-1 on page I-660 in "Standard \LaTeX {} font commands".
%%
%% 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{183.0pt}
%StartShownPreambleCommands

%StopShownPreambleCommands

\begin{document}
Some words in this sentence are
\begin{bfseries}typeset in bold letters.

The bold typeface \end{bfseries} continues here.
\end{document}