%%
%% The LaTeX Companion, 3ed
%%
%% Example 4-3-13 on page I-341 in "paracol --- Several text streams aligned".
%%
%% 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}

  \setlength\columnsep{7pt}

%StartShownPreambleCommands
\usepackage{color,paracol}
%StopShownPreambleCommands

\begin{document}
\begin{paracol}{2} \raggedright
    \setlength\leftskip{10pt}
    \setlength\parindent{-\leftskip}
\begin{column} \color{blue} I just go online and
  download an update.                  \end{column}
\begin{column} \em Ich geh mal eben auf den Strich
  und lade mir ein Auffrisch herunter. \end{column}
\begin{column*}[\dotfill]  \color{blue} This laptop
  is missing several interfaces.      \end{column*}
\begin{column} Dieser Schoßspitze
  fehlt so manches Zwischengesicht.   \end{column}
\end{paracol}
\end{document}