%%
%% The LaTeX Companion, 3ed
%%
%% Example 3-4-22 on page I-193 in "microtype \& soul --- Letterspacing or stealing sheep".
%%
%% 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{135.0pt}
\hyphenation{let-ter-spac-ing}
\setlength\parindent{0pt}
%StartShownPreambleCommands
\usepackage{lmodern,microtype}
%StopShownPreambleCommands

\begin{document}
        \emph{Nothing}     is \textsf{letterspaced}!  \\
\textls{\emph{Everything}  is \textsf{letterspaced}}! \\
\textls*[230]{Much \emph{too much} \textsf{letterspacing}}!
\end{document}