%%
%% The LaTeX Companion, 3ed
%%
%% Example 9-3-2 on page I-662 in "Standard font shapes".
%%
%% 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{165.0pt}

  % Normally the book examples are set in Times which doesn't have real slanted,
  % so we switch to Latin Modern here
  \renewcommand\rmdefault{lmr}

%StartShownPreambleCommands

%StopShownPreambleCommands

\begin{document}
\raggedright      When switching back from
{\itshape italic\/} or {\slshape slanted\/}
shapes to an upright font one should add the
{\itshape italic correction}, except when a
small punctuation character follows; e.g.,
a comma or a period.
\end{document}