%%
%% The LaTeX Companion, 3ed
%%
%% Example 3-4-4 on page I-179 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

%StopShownPreambleCommands

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

``I mean the use of "straight" marks!''
\end{document}