%%
%% The LaTeX Companion, 3ed
%%
%% Example 3-4-5 on page I-180 in "csquotes --- Context-sensitive quotation marks".
%%
%% 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{159.0pt}

%StartShownPreambleCommands
\usepackage{csquotes}
%StopShownPreambleCommands

\begin{document}
Alice said: \enquote{Why did you do that, Bob?}
And Bob answered: \enquote{What do you mean
by \enquote{that}, dear Alice?}
\end{document}